358 results on '"叶青"'
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2. 离子污染对质子交换膜电解制氢的影响研究进展
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郭志远, 朱玉婷, 叶青, 胡晓, 宋洁, 徐桂芝, 邓占锋, 段方维, and 刘芮彤
- Subjects
质子交换膜电解制氢 ,离子污染 ,电解性能 ,过电位 ,缓解策略 ,Energy industries. Energy policy. Fuel trade ,HD9502-9502.5 - Abstract
质子交换膜 (proton exchange membrane,PEM)电解制氢运行灵活,具有优异的可再生能源波动适应性,是极具发展前景的绿色制氢技术。然而,在实际PEM电解制氢运行过程中,可能存在离子污染,对PEM电解堆的性能以及运行寿命产生很大影响。为此,首先分析了离子污染的来源,一方面来自水中的残余金属阳离子,如Na+、Ca2+、Mg2+等,另一方面来自电解堆内部关键材料和系统水循环管路因化学或电化学腐蚀产生的痕量金属离子,如Fe3+、Cu2+、Ni2+等;然后综述了不同离子污染对电解性能的影响,包括欧姆过电位、阴极反应过电位与阳极反应过电位;最后,综述了离子污染缓解策略,即如何避免规模化电解制氢过程中杂质离子污染带来的能效和成本问题。
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- 2023
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3. 异常子宫出血的子宫内膜病理特点及与肥胖的关系
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张宇, 成娟, 叶青剑, and 李小毛
- Subjects
异常子宫出血 ,子宫内膜病理 ,肥胖 ,测量指标 ,Medicine (General) ,R5-920 - Abstract
目的】探讨异常子宫出血(AUB)的子宫内膜病理类型及其与患者的年龄、体质量指数、腰围、臀围和腰臀比等因素相关关系。【方法】收集2017年1月至6月在中山大学附属第三医院日间手术室因AUB进行诊断性刮宫或宫腔镜检查并子宫内膜活检的206名病人资料,包括年龄、身高、体质量、腰围、臀围、子宫内膜病理等,进行相关统计分析。【结果】①子宫内膜病理类型有增殖期或分泌期子宫内膜(NE),子宫内膜部分增殖、部分分泌改变(DPE),子宫内膜息肉(EP),子宫内膜增生改变和(或)增生过长(EHwithoutatypia),子宫内膜轻度、中度、重度不典型增生(EHwithatypia),和子宫内膜样腺癌(EC)。各类型占比分别为32.52%,8.25%,6.31%,40.77%,9.22%和2.91%。②EC组的年龄为50.0(S=7.3)岁,大于NE组的年龄42.0(S=13.0)岁,差异有统计学意义(P
- Published
- 2019
4. X-连锁严重联合免疫缺陷病的植入前遗传学诊断
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吴海涛, 沈晓婷, 叶青剑, 刘瑜亮, 钟依平, 曾艳红, 徐艳文, and 周灿权
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X-连锁严重联合免疫缺陷病 ,植入前遗传学诊断 ,多重置换扩增 ,短串联重复序列 ,单体型分析 ,Medicine (General) ,R5-920 - Abstract
【目的】采用多重置换扩增建立一种可靠、准确的植入前遗传学诊断方法,应用于X-连锁严重联合免疫缺陷病 (X-SCID)的植入前遗传学诊断(PGD)。【方法】选择5个位于致病基因IL-2受体γ链(IL2RG)基因两侧的短串联重复序列 (STR)位点对X-SCID家系进行单体型分析,采用多重置换扩增(MDA)对单细胞进行全基因组扩增,对扩增产物采用在家 系分析中具有多态性的STR位点进行单体型分析,结合位点Amel进行性别诊断,STR位点均采用单重荧光PCR,同时对 IL2RG基因exon5进行测序分析。【结果】对家系分析中,共有3个STR位点具有多态性。对10个单淋巴细胞及10个单卵裂 球进行了预实验:MDA扩增成功率为100%,对致病基因IL2RG exon5的行基因测序的检测效率为100%;对于3个有多态性 的STR位点和AMEL,PCR扩增效率为96.3%(77/80),等位基因脱扣率(ADO)为11.5%(7/61)。对该家系进行了一个周期的 PGD,对7个胚胎进行了诊断,其中2个为正常胚胎,移植后获得双胎妊娠,早产活产一个健康男婴及一个健康女婴。【结 论】采用多重置换扩增结合致病基因特异性扩增测序检测及单体型分析在单细胞水平对X-连锁严重联合免疫缺陷病进行 检测,两者相结合可避免污染、等位基因脱扣等导致的误诊,提高了PGD诊断效率。
- Published
- 2017
5. 剖宫产切口瘢痕妊娠分析
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叶青剑, 邓佩霞, and 沈晓婷
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剖宫产瘢痕部位妊娠 ,子宫动脉栓塞 ,经阴道手术 ,Medicine (General) ,R5-920 - Abstract
【目的】回顾性分析剖宫产瘢痕部位妊娠(CSP),3种不同治疗方案的疗效及其优缺点。【方法】2006年5月至 2016年9月期间中山大学附属第三医院及中山大学附属第一医院妇科确诊并治疗的CSP 186病例,根据其治疗方案,分为3 组:手术组(经阴道剖宫产瘢痕部位妊娠物切除+修补术,73例)、药物组(MTX+米非司酮+清宫术,51例)、栓塞组(双侧子宫 动脉栓塞后+清宫术,62例)。比较3组治疗方案的成功率、住院时间、住院费用及治疗副作用。【结果】3组治疗方案中成功 率分别为:98.6%、54.9%、80.6%;住院时间为(7.3 ± 3.3)、(16.2 ± 11.2)、(12.6 ± 10.4)d;住院费用为(7 966 ± 1 987)、(5 499 ± 1 965)及(15 863 ± 5 941)元;治疗副作用发生率为:15.1%、23.5%、37.1%;以上比较均有统计学差异(P < 0.05)。其中手术 组成功率最高,住院时间最短,费用较低,治疗副作用也最少,并且无严重的并发症出现。【结论】经阴道剖宫产瘢痕部位妊 娠物切除+修补术是治疗子宫部位瘢痕妊娠安全,有效的方法。
- Published
- 2017
6. 乙型肝炎病毒抑制M1巨噬细胞TLR4、NLRP3及下游因子促进免疫逃逸.
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张自力, 刘佳敏, 曾 蓉, 余 玲, 叶 青, 徐 旭, and 潘万龙
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HEPATITIS B virus ,CASPASES ,FLOW cytometry ,HLA-DR antigens ,NLRP3 protein - Abstract
Copyright of Chinese Journal of Immunology is the property of Medical Periodical Society of Jilin and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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7. 不同频次电针足三里对脾虚气陷证混合痔外剥内扎术患者的临床研究.
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唐运媛, 林 奕, 韩秀芳, 段文丽, 卞雪春, and 王叶青
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LIGATURE (Surgery) ,SUBSTANCE P ,SPLEEN ,TIME pressure ,ADRENOCORTICOTROPIC hormone ,ELECTROACUPUNCTURE - Abstract
Copyright of Progress in Modern Biomedicine is the property of Publishing House of Progress in Modern Biomedicine and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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8. 融合 CNN 和 Transformer 的并行双分支 皮肤病灶图像分割.
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陶惜婷 and 叶青
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TRANSFORMER models , *SKIN imaging , *IMAGE segmentation , *PHYSICIANS , *IMAGE fusion - Abstract
Accurate automatic segmentation of skin lesions is crucial to assist physicians in clinical diagnosis and treatment. Aiming at the problem that convolutional structure can extract local feature information but cannot model long-range dependencies, while Transformer can extract global context information but suffers from the loss of detail information, this paper proposed a parallel multi-scale automatic segmentation network PDTransCNN that integrated CNN and Transformer. Firstly, it constructed multi-level local correlation and captured long-range dependencies between contextual information by extracting the feature information of dermatological images in parallel with the CNN branch based on ResNet34 and Transformer branch. Secondly, it utilized the feature fusion module (FM) to complement the key information between the two branches of features and enhance the dependencies of the semantic information. Finally, it used the Transformer decoding unit to gradually fuse the semantic information extracted from the encoding block and the fusion unit in order to obtain the final segmentation result. The model was tested on ISIC2016, ISIC2017 and ISIC2018 datasets with Dice coefficients as high as 91.72%, 87.34% and 90.01%, and loU values of 85.60%, 79.55% and 83.67%, respectively. The experimental results show that PDTransCNN has better segmentation performance compared to other segmentation models and can segment skin lesion images clearly and effectively. [ABSTRACT FROM AUTHOR]
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- 2024
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9. 自动泊车发展现状及运动规划研究进展.
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田杰 and 叶青
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The dramatic increase in car ownership, contrasted with the inadequate development of urban parking infrastructure, has led to significant parking challenges. Such challenges, including limited parking spaces and restricted parking areas, severely hinder the efficacy of vehicular travel. Automated parking, distinguished by its low velocity and advanced autonomy in certain environments, emerges as the forefront product in the realm of autonomous driving. The development status and trend of automatic parking market at home and abroad were analyzed, and the planning and decision module of parking system was mainly discussed. The importance of motion planning was emphasized, which directly affects the quality of vehicle driving. The research results at home and abroad were reviewed, including curve interpolation, random sampling, graph search, intelligent algorithm and numerical optimization method. Furthermore, the advantages and limitations of different path planning were analyzed. In conclusion, the future integration and development direction of automatic parking technology were prospected. [ABSTRACT FROM AUTHOR]
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- 2024
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10. 籼粳亚种间育性位点分型及籼粳杂交稻育性位点模式研究.
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陈明亮, 曾细华, 沈雨民, 罗世友, 胡兰香, 熊文涛, 熊焕金, 吴小燕, and 肖叶青
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- 2024
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11. 热载荷下星载天线逆有限元变形重构方法.
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顾叶青, 操卫忠, 袁慎芳, 孙为民, 黄欣婷, 黄天翔, and 冯健
- Abstract
Copyright of Journal of Southeast University / Dongnan Daxue Xuebao is the property of Journal of Southeast University Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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12. 湖北省肾综合征出血热预测模型建立.
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刘天, 吴杨, 刘漫, 陈琦, 童叶青, and 赵嫡
- Abstract
Copyright of Modern Preventive Medicine is the property of Modern Preventive Medicine Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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13. 乌珠穆沁羊肉品质研究进展.
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苏湘潭, 刘叶青, 张高威, 杨光, 王科, and 高爱琴
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Uzhumqin sheep has the characteristics of large individual, abundant meat, and strong stress resistance. The mutton produced by Uzhumqin sheep is widely loved by consumers because of its delicious meat and rich nutrition. This paper analyzes the general situation of Uzhumqin sheep from two aspects: Forage characteristics and multi-vertebra characteristics of Uzhumqin sheep. In the aspect of meat quality characteristics, the influence mechanism is summarized in three parts: Dietary nutritional factors, muscle fiber characteristics and lipid. The mutual construction mechanism between intramuscular fat content, fatty acid types and oxidation degree of unsaturated fatty acids and nutritional value of Uzhumqin sheep is emphatically explored. Through the metabolic accumulation of flavor substances and volatile flavor compounds in Uzhumqin sheep, the specific reasons for the rich taste and no smell of mutton are explained. This paper systematically analyzes the causes of unique flavor and rich nutrition of Uzhumqin sheep, in order to provide reference for further research on the network of meat quality regulation mechanism. [ABSTRACT FROM AUTHOR]
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- 2024
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14. 一株新现食源性多重耐药非典型肠致病 大肠杆菌特征分析.
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黄远斌, 张淑红, 杨广珠, 吴清平, 张菊梅, 吴诗, 古其会, 叶青华, 张友雄, and 韦献虎
- Abstract
Copyright of Modern Food Science & Technology is the property of Editorial Office of Modern Food Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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15. 纳米铁氧化物强化牛粪厌氧发酵产甲烷.
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李煜, 叶青青, 瞿云山, 刘子墨, 任玉莹, 于莉民, and 李欣
- Abstract
Copyright of Journal of Agro-Environment Science is the property of Journal of Agro-Environment Science Editorial Board and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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16. 医学领域知识融合研究进展.
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彭琳, 宋珺, 熊玲珠, 杜建强, 叶青, and 刘安栋
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Copyright of Journal of Computer Engineering & Applications is the property of Beijing Journal of Computer Engineering & Applications Journal Co Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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17. 线结构光焊缝类型识别及特征提取研究进展.
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王梦莹, 陆安江, 谭叶青, and 程进
- Abstract
Copyright of Metal Working (1674-165X) is the property of Metal Working Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
18. 基于相位校正的分布式光纤大探测孔径多维定位
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Yang Junqi, 杨竣淇, primary, Wang Zhaoyong, 王照勇, additional, Liu Yifan, 刘依凡, additional, Luwei Shuai, 帅禄玮, additional, Gao Kan, 高侃, additional, Ye Qing, 叶青, additional, and Cai Haiwen, 蔡海文, additional
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- 2024
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19. 600MW超临界机组锅炉热一次风道流场优化改造.
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曹叶青
- Abstract
Copyright of Engineering Management & Technology Discussion is the property of Omniscient Pte. Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
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20. 面向电力物联网流数据的一种具有隐私保护的KNN查询方法.
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易叶青, 易颖杰, 刘云如, and 毛伊敏
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The power Internet of Things(PIoT) is a smart service system that offers full-state awareness, efficient information processing, and convenient and flexible applications to users. However, these services also pose a risk of privacy leakage. The existing research on privacy protection of power data mainly concentrates on secure aggregation, but seldom addresses the core technology of many basic services, such as KNN query. Unlike traditional relational data, the PIoT collects flowing data of user electricity consumption, and the various power parameters exhibit dynamic correlations. Attackers can use data mining and other methods to infer future trends in data changes. Therefore, this paper proposed a privacy-preserving KNN query method. Firstly, it proposed a similarity measurement model based on bucket distance, and proved the upper and lower bounds of the error between the similarity measurement model based on bucket distance and the similarity measurement model based on Euclidean distance. Through this model, the similarity measurement could be transformed into set intersection operations. Then, it constructed a privacy-preserving function, which could generate different data privacy-preserving functions and query privacy-preserving functions for various smart terminals by substituting different parameters. Based on this, it proposed a data encoding scheme based on bucket partitioning and random number allocation. After being encrypted by the privacy-preserving function, the encoded data possessed the characteristic of ciphertext indistinguishability, and could effectively resist various attacks such as chosen plaintext attacks, data mining attacks, statistical analysis attacks, ICA attacks, and inference prediction attacks. Analysis and simulation demonstrate that the proposed secure KNN query method not only has high security but also has low overhead. [ABSTRACT FROM AUTHOR]
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- 2024
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21. 诺氟沙星对刺参肠道菌群结构与功能特征的影.
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夏兴龙, 王荦, 周叶青, 谭八梅, 董昌坤, 张彦敏, 裴泓霖, and 丁君
- Abstract
Copyright of Asian Journals of Ecotoxicology is the property of Gai Kan Bian Wei Hui and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
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22. 福州都市圈生态系统服务价值时空演变及生态-经济协调发展.
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王瑞祥, 叶 青, and 郭晓佳
- Abstract
Quantitative analysis of the evolution of regional ecosystem service value(ESV)and spatial differentiation factors, and study on the characteristics of development of eco-economic harmony and consistency are helpful to promote the improvement of ecological functions of urban agglomerations and metropolitan areas. Taking Fuzhou metropolitan area as an example, based on remote sensing image data of 2001, 2010 and 2020, combined with GIS spatial visualization analysis, the optimized ESV assessment model, gravity center model, coefficient of variation, harmony index and consistency index, were adopted to measure the evolution of ESV of Fuzhou metropolitan area; secondly, its spatio-temporal harmony evolution characteristics with economic development were analyzed; finally, some suggestions on the eco-economy harmony development strategy of Fuzhou metropolitan area were provided. The results show that ① the whole ESV of Fuzhou metropolitan area decreases first and then increases from 2001 to 2020; thereinto, Fuzhou and Putian first decrease and then increase, while 4 counties of Ningde and 3 counties of Nanping continue to increase; ② the proportion of primary industry, annual average temperature and vegetation coverage rate have higher explanatory power for the spatial differentiation of ESV; limited by the original natural conditions, the spatial differentiation of ESV in Fuzhou metropolitan area is easily expanded by human interference; ③ the ecosystem service center of gravity of Fuzhou, Putian and 4 counties of Ningde has a trend of constantly moving away from the economic center of gravity, and the two are gradually separated; ④ there is no obvious conflict in the harmonious development of eco-economy in Fuzhou metropolitan area, but there are a large number of regions where the growth rate of ESV lags behind the GDP growth rate, and the economic development is under increasing ecological pressure. In the past 20 years, Fuzhou metropolitan area has formed a pattern of coexistence of economic agglomeration in Fuzhou, Putian and Ningde urban areas, and ecological agglomeration in 6 counties, the middle of Fuzhou metropolitan area. [ABSTRACT FROM AUTHOR]
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- 2024
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23. 基于免疫蛋白质组学的单增李斯特菌强 免疫原性蛋白挖掘.
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张颖, 吴诗, 古其会, 叶青华, 张菊梅, 陈谋通, and 吴清平
- Abstract
Copyright of Modern Food Science & Technology is the property of Editorial Office of Modern Food Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
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24. 血清 zonulin、MCP-1、HIF-1α 与克罗恩病患者疾病活动度和肠道菌群的 相关性分析及其鉴别价值分析.
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罗芙蓉, 林 奕, 王叶青, 何盛伊, and 段文丽
- Abstract
Copyright of Progress in Modern Biomedicine is the property of Publishing House of Progress in Modern Biomedicine and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
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25. 基于光电容积脉搏波的无创血压 连续测量研究进展.
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叶青, 章祎枫, 沙金亮, 方桦, and 余瑛
- Abstract
In the clinical diagnostic process, blood pressure is a crucial parameter that serves as a key reference for assessing blood flow dynamics and health status. Basing photo plethysmo graphy (PPG) for non-invasive continuous blood pressure monitoring has been a surge of interest in the research field, due to the limitations of traditional blood pressure measurements, such as invasiveness and intermittency. Firstly, theoretical background and technical principles of PPG were briefly introduced. Secondly, the specific processes including open datasets, evaluation standards, prepossessing methods, feature extraction, and model establishment, were comprehensively discussed, compared analysis of the advantages and disadvantages of different methods was also conducted. Finally, the challenges and future research directions in achieving non-invasive continuous blood pressure measurement based on PPG were summarized, with the aim of providing guidance for future research endeavors. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
26. 基于动态邻域采样的社交推荐模型.
- Author
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蔡晓东, 周青松, and 叶青
- Abstract
Copyright of Journal of South China University of Technology (Natural Science Edition) is the property of South China University of Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
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27. 面向多虚拟电厂的分层分区多层互补 动态聚合调控策略.
- Author
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张叶青, 陈文彬, 徐律军, and 江兴稳
- Abstract
Copyright of Power Generation Technology is the property of Power Generation Technology Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
- Full Text
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28. 电厂设备检修计算机管理的实现及应用
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叶, 青, primary
- Published
- 2023
- Full Text
- View/download PDF
29. 水利工程设计中的水土保持设计.
- Author
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叶 青 and 黄 飞
- Abstract
Copyright of Water Conservancy & Electric Power Technology & Application is the property of Omniscient Pte. Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
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30. 早期胃癌术后伤口皮肤感染偶发分枝杆菌患者 1 例治疗.
- Author
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王珍香, 王利娜, 凌晓明, 吴佳怡, and 陈叶青
- Abstract
Copyright of Journal of Modern Medicine & Health is the property of Journal of Modern Medicine & Health and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
- Full Text
- View/download PDF
31. 顽固性低钾低钠血症的水通道蛋白 4 阳性 NMOSD1 例.
- Author
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刘明亮, 肖 帆, 周红宇, 文 星, and 陈叶青
- Abstract
Copyright of Journal of Modern Medicine & Health is the property of Journal of Modern Medicine & Health and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
- Full Text
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32. 手机电磁辐射对耳蜗超微结构及边缘细胞的影响.
- Author
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林怡, 叶青, 程剑彬, and 吴立锦
- Abstract
Objective To investigate the effect of 900 MHz mobile phone electromagnetic radiation on ultrastructure and marginal cells of cochlea in rats. Methods Forty adult SD rats were selected and exposed to 900 MHz mobile phone electromagnetic radiation for different time per day for a total of 28 days in order to establish the mobile phone electromagnetic radiation rat models. The rats were divided into the control group, radiation for 6 h group, radiation for 12 h group and radiation for 24 h group. After exposure to electromagnetic radiation, the auditory brainstem response, 40 Hz auditory event-related potential and auditory steady-state response threshold of rats were tested to evaluate the effect of electromagnetic radiation on auditory function of rats. The ultrastructure of cochlea was observed under scanning electron microscope and light microscope after hematoxylin-eosin staining. DNA damage in cochlear marginal cells was detected by comet assay. Flow cytometry was used to measure the effect of electromagnetic radiation on apoptosis of marginal cells and the level of reactive oxygen species. Results The response thresholds of each index of auditory function in rats after mobile phone electromagnetic radiation were all higher than those in the control group (P<0.05). With the increase of daily exposure time, the ultrastructure of rat cochlea showed varying degrees of abnormal arrangement and structure of outer hair cell cilia, morphological changes of organ of Corti and diapedesis of erythrocyte in cochlea. There was no significant difference in DNA damage or apoptosis rate of rat cochlear marginal cells among groups (P > 0.05).The reactive oxygen species level in the radiation for 24 h group was higher than that in the control group (P < 0.001), while there was no significant difference among the other groups and the control group (P > 0.05). Conclusions Long-term mobile phone electromagnetic radiation can cause the ultrastructure damage of rat cochlea and decrease the auditory function, but it is not enough to cause the DNA damage and apoptosis of cochlear marginal cells. Longer radiation exposure can cause the increase of reactive oxygen species. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
33. 《事业单位人事管理条例》中的权责平衡: 政府与事业单位的关系.
- Author
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范叶青
- Abstract
Copyright of Secretary (16742354) is the property of Secretary Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
34. 脂蛋白(a)与心血管疾病风险的研究进展.
- Author
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叶 青, 史 微, 杨 明, 李 军, and 李琼芬
- Abstract
There is a significant correlation that the elevation of lipoprotein(a)[Lp(a)] levels is associated with the occurrence of cardiovascular disease(CVD), and this recognition has gradually gained attention. However, evidence on effective ways to lower Lp(a) and whether lowering Lp(a) levels improves cardiovascular disease risk remains insufficient, resulting in the importance of Lp(a) not being fully recognized yet. The latest clinical and genetic research progress reveal the key role of Lp(a) in the pathogenesis of CVD. Therefore, emerging therapeutic strategies, such as proprotein convertase bacillus subtilis protease-kexin type 9 inhibitors or antisense oligonucleotide technology, show some potential in lowering Lp(a). This article reviewed the research progress of Lp(a) and cardiovascular risk. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
35. 爆炸加速度信号重构速度和位移方法研究.
- Author
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朱 擎, 李述涛, 陈叶青, and 宝 鑫
- Abstract
Copyright of Engineering Mechanics / Gongcheng Lixue is the property of Engineering Mechanics Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2023
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36. 海南岛户籍人口城镇化时空演变 及影响因素分析.
- Author
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陈 妍, 程叶青, and 王 平
- Abstract
Taking Hainan Island as a case and using the panel data of population, economics and social infrastructure from national census and public reports of the 18 cities and counties, this paper examined the spatio-temporal dynamic characteristics and its influencing factors of registered population urbanization in 2000-2018 utilized the methods of spatial autocorrelation and multi-linear regression. The results shows that, firstly, the years 2004 and 2015 are both turning points for the urbanization of Hainan's registered population, which can be divided into three stages: 2000-2003, 2004-20014, and 2015-2018. In nearly 20 years, the urbanization level of the registered population in Hainan Island increases slowly and has achieved remarkable success, each stage shows different fluctuation features due to the changes of local policies and other influencing factors; Spatially, the agglomeration features are dominated by significant discrete distribution, and the distribution pattern and agglomeration types vary greatly; Migration preferred to place with higher payment, economy well-developed, better educational level, more employment opportunities. However, either industry structure or investment was not as effective as hoped, which reflected some problems behind the urbanization growth. For example, the in-migration in Hainan Island was mainly from rural areas, they usually cannot have the same rights as registered population. During the development of the free trade port, increasing the urbanization of registered population is significantly important for improving the urbanized quality. Therefore, it is essential to enhance the management of household registration, accelerate the ability of local urbanization in rural areas, and narrow the gap between urban and rural public services to ensure the residential living standards. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
37. 电子病历命名实体识别研究进展.
- Author
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刘安栋, 彭琳, 叶青, 杜建强, 程春雷, and 查青林
- Subjects
ELECTRONIC health records ,NATURAL language processing ,INFORMATION retrieval ,TASK analysis ,MEDICAL technology - Abstract
Copyright of Journal of Computer Engineering & Applications is the property of Beijing Journal of Computer Engineering & Applications Journal Co Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2023
- Full Text
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38. 一种耐盐复合菌剂的制备和促生作用研究.
- Author
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车永梅, 刘广超, 郭艳苹, 叶青, 赵方贵, and 刘新
- Abstract
Copyright of Biotechnology Bulletin is the property of Biotechnology Bulletin Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2023
- Full Text
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39. 水利水电工程施工土石方调配方法及其应用.
- Author
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黄 飞 and 叶 青
- Abstract
Copyright of Engineering Management & Technology Discussion is the property of Omniscient Pte. Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
40. 基于UPLC-MS/MS的毛竹笋不同生长 阶段差异代谢物分析.
- Author
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郭明阳, 贺曰林, 潘凯婷, 鲍方艳, and 应叶青
- Subjects
AMINO acid derivatives ,PHENOLIC acids ,MULTIVARIATE analysis ,FREE fatty acids ,AMINO acids ,ORGANIC acids - Abstract
Copyright of Shipin Kexue/ Food Science is the property of Food Science Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2023
- Full Text
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41. 丘陵山区履带式作业机全向调平系统设计与性能试验.
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蒋俞, 孙泽宇, 汪若尘, 夏长高, 叶青, and 郭逸凡
- Subjects
MACHINERY ,DESIGN - Abstract
Copyright of Transactions of the Chinese Society of Agricultural Engineering is the property of Chinese Society of Agricultural Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2023
- Full Text
- View/download PDF
42. 弹着点对钢筋混凝土侵彻深度的影响.
- Author
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黄成龙, 陈叶青, 李述涛, 张 生, and 王振清
- Subjects
- *
REINFORCED concrete , *FINITE element method , *STEEL bars , *REINFORCING bars , *NUMERICAL calculations , *PENETRATION mechanics - Abstract
In the research field of projectile penetration into reinforced concrete, the penetration depth discreteness generally exists in experiments and empirical formulas, and the difference of impact positions is one of the main reasons for this discreteness. To explore the penetration depth discreteness caused by the impact position difference and reveal its mechanism, the finite element models of 3 typical impact positions were established with reference to a published penetration test. The main reasons for the differences in the penetration processes of 3 typical impact positions were compared and analyzed. Based on the numerical calculation results, the expression characterizing the discreteness of penetration depth was summarized. The results show that, the penetration depth of the projectile impacting reinforced concrete is a range value. The expression was preliminarily verified. The main factors causing the penetration depth discreteness are the number of rebars hit by the projectile and the duration of contact with steel bars. This discreteness decreases with the ratio of the projectile diameter to the mesh size of rebars. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
43. 广谱抗稻瘟病水稻保持系赣香 B 的抗性遗传解析.
- Author
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陈明亮, 熊文涛, 沈雨民, 熊焕金, 罗世友, 吴小燕, 胡兰香, and 肖叶青
- Published
- 2023
- Full Text
- View/download PDF
44. 基于发展潜力评价与障碍因子识别的村庄分类与发展 策略研究——以河南新县为例.
- Author
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蔡二林, 李纪伟, 叶青青, 陈伟强, 汶家卉, 张帅, and 张少凯
- Subjects
CAPACITY building ,MEDICAL centers ,VILLAGES ,SKATERS ,ALGORITHMS - Abstract
Copyright of Journal of Agricultural Resources & Environment / Nongye Ziyuan yu Huanjing Xuebao is the property of Journal of Agricultural Resources & Environment Editorial Board and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2023
- Full Text
- View/download PDF
45. 开放信息抽取研究综述.
- Author
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胡杭乐, 程春雷, 叶 青, 彭 琳, and 沈友志
- Subjects
DATA mining ,NATURAL language processing ,NATURAL languages ,KNOWLEDGE base ,EVALUATION methodology - Abstract
Copyright of Journal of Computer Engineering & Applications is the property of Beijing Journal of Computer Engineering & Applications Journal Co Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2023
- Full Text
- View/download PDF
46. 基于MGWR的乡村聚落空间演变的影响因素分析 --以海口市为例.
- Author
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周向丽, 王智超, 刘益珠, 程叶青, 周艳梅, and 张金萍
- Abstract
Copyright of Tropical Geography is the property of Tropical Geography Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2023
- Full Text
- View/download PDF
47. 基于平面光波导注入锁定技术的分布式反馈激光器阵列相干合束光源
- Author
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Zhang Zhenghao, 章郑豪, primary, Wei Fang, 魏芳, additional, Wu Huimin, 武慧敏, additional, Su Qingshuai, 苏庆帅, additional, Chen Chen, 陈晨, additional, Ye Qing, 叶青, additional, and Cai Haiwen, 蔡海文, additional
- Published
- 2023
- Full Text
- View/download PDF
48. 混合集成窄线宽半导体激光器实现220 mW功率输出
- Author
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Chen Chen, 陈晨, primary, Wei Fang, 魏芳, additional, Su Qingshuai, 苏庆帅, additional, Pi Haoyang, 皮浩洋, additional, Xin Guofeng, 辛国锋, additional, Wu Huimin, 武慧敏, additional, Sun Yanguang, 孙延光, additional, Ye Qing, 叶青, additional, Han Xiuyou, 韩秀友, additional, and Cai Haiwen, 蔡海文, additional
- Published
- 2023
- Full Text
- View/download PDF
49. 可调谐自注入锁定窄线宽片上光源
- Author
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Su Qingshuai, 苏庆帅, primary, Wei Fang, 魏芳, additional, Chen Chen, 陈晨, additional, Pi Haoyang, 皮浩洋, additional, Chen Dijun, 陈迪俊, additional, Yang Fenghe, 杨丰赫, additional, Wu Huimin, 武慧敏, additional, Zhang Zhenghao, 章郑豪, additional, Yang Fei, 杨飞, additional, Ye Qing, 叶青, additional, and Cai Haiwen, 蔡海文, additional
- Published
- 2023
- Full Text
- View/download PDF
50. 光学滤波器用超窄带光纤光栅的光谱性能研究
- Author
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Li Xuan, 李璇, primary, Ying Kang, 应康, additional, Su Qingshuai, 苏庆帅, additional, Zhang Liuxin, 张柳欣, additional, Pi Haoyang, 皮浩洋, additional, Wang Di, 王迪, additional, Cai Haiwen, 蔡海文, additional, and Ye Qing, 叶青, additional
- Published
- 2023
- Full Text
- View/download PDF
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