117 results on '"张然"'
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2. 燕麦sHSP基因家族的鉴定及其响应高温及老化的表达分析.
- Author
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马圆, 刘欢, 赵桂琴, 王敬龙, 张然, and 姚瑞瑞
- Abstract
Copyright of Acta Prataculturae Sinica is the property of Acta Prataculturae Sinica 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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3. Research progress of Traditional Chinese Medicine acupoint application in the treatment of constipation after stroke (中药穴位贴敷治疗卒中后便秘的研究进展)
- Author
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YANG Shuhui (杨淑慧), ZHANG Ran (张然), GENG Qingwen (耿庆文), ZHOU Dengfang (周登芳), and TANG Ling (唐玲)
- Subjects
stroke ,acupoint application ,constipation ,traditional chinese medicine ,meridians and collaterals ,脑卒中 ,穴位贴敷 ,便秘 ,中药 ,经络 ,Nursing ,RT1-120 - Abstract
Constipation is a common complication after stroke, affecting the prognosis and patient’s quality of life. Traditional Chinese Medicine (TCM) acupoint application is an effective external treatment in the treatment of constipation after stroke. This paper summarized the basic theory of TCM acupoint application, selection of Chinese herbal medicine, selection of acupoint, application of dressing medium, timing of using application, in order to provide reference for development and new thoughts in TCM acupoint application for constipation after stroke. (便秘是脑卒中常见的并发症, 严重影响卒中患者的生活质量和预后。中药穴位贴敷疗法在治疗卒中后便秘方面效果明显, 是中医外治法中的一种常用治疗方法。本文主要总结了中药穴位贴敷的基础理论、药物的选择、穴位的选择、贴敷介质的使用、贴敷的时机等内容, 旨在为中药穴位贴敷治疗卒中后便秘提供新的思路, 从而促进中医外治法更好地应用于临床。)
- Published
- 2021
- Full Text
- View/download PDF
4. 一种K频段4通道高精度有源移相器.
- Author
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张然
- Abstract
Copyright of Telecommunication Engineering is the property of Telecommunication 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
- 2024
- Full Text
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5. 场景导向的雷达系统模型设计与仿真方法研究.
- Author
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张然, 李源, 王昊, 孙照强, and 赵媛媛
- Abstract
Copyright of Journal of Graphics is the property of Journal of Graphics 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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6. 氮肥施用和秸秆还田对东北地区褐土稳定性有机碳.
- Author
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黄磊, 张然, 陈雅丽, 牛翠云, 翁莉萍, 马杰, 李永涛, and 张哲
- 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.)
- Published
- 2024
- Full Text
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7. 贮藏时间对皮、裸燕麦种子萌发及细胞学结构的影响.
- Author
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姚瑞瑞, 刘欢, 赵桂琴, 王敬龙, 王绮玉, 董凯, and 张然
- Abstract
Copyright of Acta Prataculturae Sinica is the property of Acta Prataculturae Sinica 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
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8. 老年患者血清营养素指标与骨关节炎的相关性研究.
- Author
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鲁雪梅, 夏京花, 赵丹, 李春敏, 张然, 王菲, and 王曼维
- Abstract
Copyright of Chinese Journal of Clinical Healthcare is the property of Chinese Journal of Clinical Healthcare 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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9. 不同年龄段人群驾驶分心时的视觉特性分析.
- Author
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褚英帆, 秦华, 冉令华, 张然, and 张欣
- Abstract
Copyright of Science Technology & Engineering is the property of Chinese Society of Technology Economics 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
10. 成都市疾病预防控制机构工作人员职业认同现状分析.
- Author
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顾花蓉, 张然, 唐林可, 吴有维, and 刘毅
- Subjects
- *
PROFESSIONAL identity - Abstract
Objective To investigate the current situation of professional identity of staff in centers for disease control and prevention (CDC) at all levels in Chengdu, explore its influencing factors, and provide reference and suggestions for stabilizing the talent team of disease control and prevention. Methods A questionnaire survey was conducted among the staff of CDC at all levels in Chengdu in February 2023, and the professional identity of CDC staff was analyzed by SPSS 22.0 software. Results The total score of professional identity of CDC staff at all levels in Chengdu was (114,712±20.237). In the group older than 49 years old, the degree of professional identity was the highest (F=l5.773, P < 0.001). The higher the education, the lower the identity (归3029& P < 0.001). The lowest degreed of professional identity was found in preventive medicine/public health (F=15»894, P < 0.001). The professional identity at the district and county level was higher than that at the city level (jF=13.875, P < 0.001). Professional and technical workers had lower degree of professional identity than other groups (F-10.629, P < 0,001). The group with long working years more than 24 years had higher degree of professional identity than other groups (归8.518, P < 0,001). The average score of occupational value dimension was lower than that in other dimensions among all kinds of disease control personnel (P < 0.05). Conclusion The professional identity of CDC personnel at all levels in Chengdu is moderate. We should help higlily educated health professionals to define their career goals and plans, reasonably improve the remuneration of young health professionals under the age of 40, and enhance public recognition of disease prevention and control. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
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11. 无交通信号路口行人过街的人车交互过程研究.
- Author
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王辉, 秦华, 冉令华, 石熙普, and 张然
- Abstract
Copyright of Science Technology & Engineering is the property of Chinese Society of Technology Economics 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
12. 空间卫星网络组网与管控技术综述.
- Author
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廖新悦, 张然, 黄正璇, 刘江, 唐琴琴, and 黄韬
- Subjects
LOW earth orbit satellites ,TELECOMMUNICATION satellites ,COMMUNICATION infrastructure ,AEROSPACE technology ,COMPUTER network protocols ,MOBILE satellite communication ,NATURAL satellites - Abstract
Copyright of Space-Integrated-Ground Information Networks is the property of Beijing Xintong Media 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
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13. 基于网络药理学和分子对接技术探讨沙棘活性成分对非酒精性脂肪肝作...
- Author
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高健, 吴胜男, 王晓静, 纪景馨, 张然, and 程景民
- Published
- 2023
- Full Text
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14. 基于核自构建-高斯过程回归的锂离子电池 剩余使用寿命预测.
- Author
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张然, 刘天宇, and 金光
- Subjects
REMAINING useful life ,KRIGING ,STANDARD deviations ,KERNEL functions ,CONFIDENCE intervals ,MACHINE learning ,LITHIUM-ion batteries - Abstract
Copyright of Systems Engineering & Electronics is the property of Journal of Systems Engineering & Electronics 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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15. 南极碱盐单胞菌来源的细菌漆酶 LacHa 蛋白对 小麦面包品质的影响.
- Author
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王晶晶, 周鹏, 白涵, 张然, 方雪, and 张雁
- Abstract
Copyright of Journal of Shanghai University / Shanghai Daxue Xuebao is the property of Journal of Shanghai University (Natural Sciences) 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
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16. 蝴蝶优化算法研究综述.
- Author
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丁元明, 夏清雨, 张然, and 李森
- Abstract
Copyright of Science Technology & Engineering is the property of Chinese Society of Technology Economics 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
17. 丁二醇对热胁迫下匍匐翦股颖内源激素 及其相关基因表达水平的调控.
- Author
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赵宁, 马晖玲, 张然, 张金青, and 史毅
- Abstract
Copyright of Acta Prataculturae Sinica is the property of Acta Prataculturae Sinica 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
- 2022
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18. 胶东地区新立金矿中金矿物和载金黄铁矿成因矿物学特征及 地质意义.
- Author
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张然, 肖志斌, 付超, 付世兴, and 朱昭明
- Subjects
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GOLD ores , *POLARIZING microscopes , *ELECTRON probe microanalysis , *HYDROTHERMAL deposits , *HYDROTHERMAL alteration , *PYRITES - Abstract
BACKGROUND: In Shandong Province, northwest of the Jiaodong area is the most important gold metallogenic area. The Xinli gold deposit is not only an important deposit in the Sanshandao—Xinli metallogenic belt, but also one of the most typical gold deposits in this area. Research on the Xinli gold mine has been carried out for years and has achieved many fruitful results, however, the mineralogical characteristics and mineral typomorphic characteristics of gold minerals and gold-bearing minerals still need to be studied further. OBJECTIVES: To investigate the mineralogical characteristics and geological significance of gold minerals and gold-bearing pyrites from the Xinli gold deposit. METHODS: Polarized light microscope identification and electron probe microanalysis were the main methods in the research of gold minerals and gold-bearing minerals. The geological significance was explored through mineral typological characteristics. RESULTS: The results show that most of the gold minerals in the Xinli gold deposit are electrum, a small amount of native gold and kustelite. The gold fineness ranges from 336. 2 to 834. 9, with an average of 699. 8. The content of S in gold-bearing pyrite is 51. 69%-53. 78%, with an average of 53. 19%; Fe content is 45. 69%-47. 62%, with an average of 46. 52%; The S/ Fe value is 1. 99, and sulfur is depleted slightly. CONCLUSIONS: The morphological typomorphism of gold -bearing pyrites shows an evolutionary trend from coarse-grained cubic shape to medium- and fine- grained pentagonal-dodecahedral shape and then to fine-grained cubic shape, which reflects the gradual reduction of hydrothermal fluid temperature in different metallogenic stages. The compositional typomorphic characteristics indicate that the ore - forming hydrothermal solution has typical characteristics of medium hypabyssal and medium-low temperature. Therefore, it is considered that there are three stages of mineralization in the hydrothermal alteration period of the Xinli gold deposit, of which the third stage is the main mineralization period. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
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19. 应用激光拉曼光谱鉴别桂中铝土矿TiO2 同质异象矿物.
- Author
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张永清, 周红英, 耿建珍, 肖志斌, 涂家润, 张然, and 叶丽娟
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RAMAN lasers ,LASER spectroscopy ,SPECTRAL lines ,ELECTRON probe microanalysis ,RAMAN spectroscopy ,CATHODOLUMINESCENCE - Abstract
Copyright of Rock & Mineral Analysis is the property of Editorial Board of Rock & Mineral Analysis 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
- 2022
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20. 醇硫基丙烷磺酸钠对电解高性能锂电铜箔的影响.
- Author
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杨森, 王文昌, 张然, 秦水平, 吴敏娴, 光崎尚利, and 陈智栋
- Abstract
Copyright of Journal of Electrochemistry is the property of Journal of Electrochemistry 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
- 2022
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21. 基于改进 ShuffleNet V2 网络的轴承故障诊断方法.
- Author
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赵志宏, 李春秀, 杨绍普, and 张然
- Subjects
ARTIFICIAL neural networks ,FAULT diagnosis ,FEATURE extraction ,FREIGHT cars ,FREQUENCY spectra ,WHEELS - Abstract
Copyright of Bearing is the property of Bearing 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
- 2022
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22. 食醋物料平衡法监管模型的建立.
- Author
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郭颖慧, 胡梅, 程玲云, 王勇, and 张然
- Subjects
MANUFACTURING processes ,VINEGAR ,ADULTERATIONS ,PRODUCTION methods ,FERMENTATION - Abstract
Copyright of China Brewing is the property of China Brewing 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
- 2022
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23. 基于神经网络和偏振成像的多浑浊度水下图像恢复
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Gui Xinyuan, 桂心远, primary, Zhang Ran, 张然, additional, Cheng Haoyuan, 成昊远, additional, Tian Lianbiao, 田连标, additional, and Chu Jinkui, 褚金奎, additional
- Published
- 2022
- Full Text
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24. 基于轮椅使用者的地铁导向标志可达性研究.
- Author
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王玥, 秦华, 王辉, and 张然
- Abstract
Copyright of Science Technology & Engineering is the property of Chinese Society of Technology Economics 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
- 2022
25. 抗盐水泥浆腐蚀钻杆研制与应用.
- Author
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张然, 王显林, 韩旭, 李亚敏, 王西华, and 杨勇平
- Abstract
Copyright of Steel Pipe is the property of Steel Pipe Magazine 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
- 2022
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26. 烟台市村镇风貌景观演进、多尺度特征及规划应对.
- Author
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石亚灵, 胡东洋, 黄勇, 杨林川, and 张然
- Subjects
ARCHITECTURAL style ,SPACE (Architecture) ,CITIES & towns ,URBANIZATION ,VILLAGES ,PUBLIC spaces - Abstract
Copyright of Architectural Journal / Jian Zhu Xue Bao is the property of Architectural Journal 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
- 2022
27. 基于分子动力学的生物沥青相容性研究.
- Author
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徐宁, 汪海年, 陈玉, 张然, 丁鹤洋, and 马子业
- Subjects
BINDING energy ,MOLECULAR dynamics ,MOLECULAR models ,ASPHALT ,WOOD chips ,SOLUBILITY - 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
- 2022
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28. CAD/CAM一体化纤维桩核经染色后颜色稳定性及粘接 性能的研究.
- Author
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陈丽竹, 张然, and 屈直
- Subjects
CAD/CAM systems ,COMPUTER-aided design ,CLINICAL medicine ,CONTROL groups ,DENTIN - Abstract
Copyright of Journal of China Medical University is the property of Journal of China Medical 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.)
- Published
- 2022
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29. 基于顺序统计滤波和二元积累的辐射源信号检测方法.
- Author
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赵忠凯, 弓浩, and 张然
- Subjects
RADIATION sources ,SIGNAL-to-noise ratio ,FALSE alarms ,PHASE coding ,DETECTION alarms ,BISTATIC radar - Abstract
Copyright of Systems Engineering & Electronics is the property of Journal of Systems Engineering & Electronics 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
- 2022
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30. 高压电缆用膨胀型阻燃聚乙烯复合材料的制备及性能研究.
- Author
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曹张然, 孟翔, and 马桂宁
- Subjects
FIREPROOFING ,HIGH density polyethylene ,FIREPROOFING agents ,FLEXURAL modulus ,FLEXURAL strength ,FIRE resistant polymers ,FIRE resistant materials ,HEAT release rates ,FLAMMABILITY - Abstract
Copyright of Plastics Science & Technology / Suliao Ke-Ji is the property of Plastics Science & 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
- 2022
- Full Text
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31. 基于 ADOPT 问题解决模式的护理干预对行正颌手术患者 术后并发症的影响.
- Author
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张然, 徐静, 刘羽涵, 刘志敏, and 史亚伟
- Abstract
Copyright of Journal of Clinical Nursing in Practice is the property of Journal of Clinical Nursing in Practice (Editorial Board, Shanghai Jiao Tong University Press) 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
- 2022
32. 基于神经网络和偏振成像的多浑浊度水下图像恢复
- Author
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桂心远 Gui Xinyuan, 张然 Zhang Ran, 成昊远 Cheng Haoyuan, 田连标 Tian Lianbiao, and 褚金奎 Chu Jinkui
- Subjects
Electrical and Electronic Engineering ,Atomic and Molecular Physics, and Optics - Published
- 2022
33. Design and construction of real-time all-polarization imaging detector for skylight
- Author
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林威 Lin Wei, 陈永台 Chen Yong-tai, 褚金奎 Chu Jin-kui, and 张然 Zhang Ran
- Subjects
Physics ,business.industry ,Detector ,Polarization imaging ,02 engineering and technology ,021001 nanoscience & nanotechnology ,Skylight ,01 natural sciences ,Atomic and Molecular Physics, and Optics ,Electronic, Optical and Magnetic Materials ,010309 optics ,Optics ,0103 physical sciences ,0210 nano-technology ,business - Published
- 2018
34. Thermal Fatigue Properties of Laser Cladding Fe-Based Coating
- Author
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Li Hongyu, 李洪玉, primary, Wei Lianfeng, 魏连峰, additional, Wang Zeming, 王泽明, additional, Chen Hui, 陈辉, additional, Zheng Na, 郑娜, additional, Zhang Ran, 张然, additional, and Wang Wei, 王伟, additional
- Published
- 2021
- Full Text
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35. 中药穴位贴敷防治骨科全麻术后恶心呕吐的 临床观察.
- Author
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张志军, 魏戌, 张然星, 潘培俊, 李玲, 贾若, 张晓飞, 张世民, 高秀梅, and 徐惠青
- Published
- 2021
- Full Text
- View/download PDF
36. 城市三维景观格局特征与社会环境因子 的交互影响: 基于增强回归树.
- Author
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董芊芊, 刘垚燚, 曾鹏, 孙凤云, 张然, 田恬, and 车越
- Abstract
Copyright of Chinese Journal of Applied Ecology / Yingyong Shengtai Xuebao is the property of Chinese Journal of Applied Ecology 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
- 2021
- Full Text
- View/download PDF
37. 拟齐次核的 Hilbert 型积分不等式的适配参数条件.
- Author
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曾志红, 洪 勇, 张然然, and 田德路
- Abstract
Copyright of Journal of South China Normal University (Natural Science Edition) / Huanan Shifan Daxue Xuebao (Ziran Kexue Ban) is the property of Journal of South China Normal University (Natural Science Edition) 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
- 2021
- Full Text
- View/download PDF
38. Calibration Methods of Amplitude-division Polarization Imaging Camera
- Author
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Song LI, 李松, primary, Ran ZHANG, 张然, additional, Yong-tai CHEN, 陈永台, additional, and Jin-kui CHU, 褚金奎, additional
- Published
- 2020
- Full Text
- View/download PDF
39. 一件式造口袋的设计及在胆道闭锁婴儿腹腔引流中的应用.
- Author
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马翊涵, 李莉, 王怡, 张然, 张静, 贺萌, and 王增萌
- Published
- 2022
- Full Text
- View/download PDF
40. 双腔水囊联合腹主动脉介入阻隔术对比催产素联合常规剖宫产在晚期妊娠糖尿病引产中的应用分析.
- Author
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张然, 高静, 邓海云, 刘丹, and 刘雪芹
- Subjects
- *
INDUCED labor (Obstetrics) , *STAGES of labor (Obstetrics) , *SECOND stage of labor (Obstetrics) , *FIRST stage of labor (Obstetrics) , *CESAREAN section , *PREGNANCY outcomes - Abstract
Objective: To explore the clinical efficacy of double-cavity water sac combined with abdominal aortic interventional obstruction compared with oxytocin combined with conventional cesarean section for induction of labor in late gestational diabetes. Methods: A total of 146 patients with late gestational diabetes who were expecting labor in our hospital from September 2019 to April 2020 were collected and randomly divided into a study group (73 cases) and a control group (73 cases). In the study group, a double-chamber water sac was placed on the cervix to induce labor. For patients who failed to induce labor, a cesarean section was performed with abdominal aortic interventional obstruction; the control group was induced by a simple intravenous drip of low-dose oxytocin. Patients who fail to induce labor with oxytocin undergo routine cesarean section. Collect data on the general condition of pregnant women, cervical Bishop scores before and after induction of labor, various stages of labor, and adverse reactions by asking about medical history, physical examination, laboratory examinations, etc.; for some patients who fail to induce labor, collecting operation time, blood transfusion volume, blood loss, hysterectomy rate, etc. Apgar score of newborns. The results of promoting cervical maturity, various stages of labor, pregnancy outcome, adverse reactions and other results of the two groups of patients were compared and analyzed. Results: The cervical Bishop score of the pregnant women in the study group was higher than that of the control group after treatment (P<0.05); there was a statistically significant difference in the improvement of the cervical Bishop score between the study group and the control group (P<0.05). The success rate of induction of labor in the study group was higher than that in the control group, and the rate of cesarean section in the control group was higher than that in the study group. There was a statistically significant difference in the outcomes of the two components (P<0.05). The time from induction of labor to labor, the first stage of labor, the second stage of labor, and the total duration of labor in the study group were shorter than those in the control group (P<0.05). The amount of intraoperative blood loss, blood transfusion, hysterectomy rate and Apgar score of newborns in the study group were lower than those in the control group (P<0.05). The number of adverse reactions in the study group was lower than that in the control group (P<0.05). Conclusion: Both double-cavity water sac and oxytocin can promote cervical ripening, but the former is better than the latter and can increase the success rate of labor induction; the application of abdominal aortic interventional obstruction has more obvious advantages than conventional cesarean section, and it is for late gestational diabetes. The use of double-cavity water balloon combined with abdominal aortic interventional obstruction for pregnant women to induce labor has higher safety and is worthy of clinical reference. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
41. 基于GEE和BRT的1984--2019年长三角生态绿色 一体化发展示范区植被覆盖度变化.
- Author
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刘垚燚, 曾鹏, 张然, 孙凤云, and 车越
- Abstract
Copyright of Chinese Journal of Applied Ecology / Yingyong Shengtai Xuebao is the property of Chinese Journal of Applied Ecology 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
- 2021
- Full Text
- View/download PDF
42. Thermal Fatigue Properties of Laser Cladding Fe-Based Coating
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张然 Zhang Ran, 郑娜 Zheng Na, 陈辉 Chen Hui, 魏连峰 Wei Lianfeng, 王伟 Wang Wei, 李洪玉 Li Hongyu, and 王泽明 Wang Zeming
- Subjects
Thermal fatigue ,Materials science ,Coating ,engineering ,Fe based ,Electrical and Electronic Engineering ,Composite material ,engineering.material ,Atomic and Molecular Physics, and Optics - Published
- 2021
43. 自动矿物分析技术在鄂尔多斯盆地砂岩型铀矿矿物鉴定和 赋存状态研究中的应用.
- Author
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张然, 叶丽娟, 党飞鹏, 肖志斌, 毕君辉, 周晶, 郭虎, 许雅雯, 耿建珍, and 周红英
- Subjects
- *
URANIUM ores , *MINES & mineral resources , *ELECTRON probe microanalysis , *URANIUM mining , *ELECTRONIC probes , *URANIUM compounds - Abstract
BACKGROUND: The Ordos Basin is one of the most important areas in China because it hosts lots of sandstone - type uranium deposits and a variety of other energy and mineral resources. The occurrence of uranium minerals is of great significance to the genetic understanding and prospecting of sandstone - type uranium deposits. However, the complex mineral composition, fine grain size, and various types and occurrences of uranium minerals make the initial identification stage of the study difficult. Currently, radiograph and electron probe microanalysis ( EMPA) have played an important role in the identification of uranium minerals. Radiography can be used to obtain the position, occurrence and radioactive form of all uranium minerals in the light film at one time, but the mineral type cannot be identified. Moreover, it is a lengthy process and must be performed in darkness. Electron probe can be used to obtain the backscattered image of the uranium mineral. However, it takes time and effort to find uranium minerals with small content and small particle size in thin slices at high magnification, and it is impossible to quickly determine the types of associated minerals in BSE images. OBJECTIVES: To find a more rapid and accurate method for identifying uranium minerals. METHODS: The automatic mineral analysis system (AMI CS), scanning electron microscopy ( SEM) and energy dispersive spectrometer (EDS) were used to identify minerals from sandstone - type uranium deposits in the north, south, and west margins of the Ordos Basin. RESULTS: The minerals in the study were identified as coffinite, pitchblende, uraninite and uranophane. Pyrite and titanium oxide were closely related to uranium minerals, and other associated minerals were identified as quartz, rutile, feldspar, mica and kaolinite. CONCLUSIONS: AMICS - SEM - EDS in situ analysis technology proves to be a reliable method for the rapid identification of uranium minerals, associated minerals, and their occurrences. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
44. 外源硒和耐硒细菌对镉胁迫下水稻 生长、生理和硒镉积累的影响.
- Author
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王波, 张然然, 杨如意, 石晓菁, 苏楠楠, 朱濛, and 昝树婷
- Subjects
SUPEROXIDE dismutase ,MACROLIDE antibiotics ,RHIZOSPHERE ,POLLUTANTS ,SELENIUM ,BIOFERTILIZERS - 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.)
- Published
- 2020
- Full Text
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45. Micro-measurement of SU-8 photoelastic performance
- Author
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李双亮 Li Shuang-liang, 褚金奎 Chu Jin-kui, and 张然 Zhang Ran
- Subjects
Atomic and Molecular Physics, and Optics ,Electronic, Optical and Magnetic Materials - Published
- 2016
46. Calibration Methods of Amplitude-division Polarization Imaging Camera
- Author
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张然 Ran Zhang, 李松 Song Li, 褚金奎 Jin-kui Chu, and 陈永台 Yong-tai Chen
- Subjects
Physics ,Amplitude ,Optics ,business.industry ,Calibration (statistics) ,Polarization imaging ,Division (mathematics) ,business ,Atomic and Molecular Physics, and Optics - Published
- 2020
47. Optimization of Bilayer Sub-Wavelength Metallic Grating Based on Genetic Algorithm
- Author
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An Chao, 安超, primary, Chu Jinkui, 褚金奎, additional, and Zhang Ran, 张然, additional
- Published
- 2019
- Full Text
- View/download PDF
48. Convolution Interpolation for Division of Focal Plane Polarimeter
- Author
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WU Chen-qi, 吴晨奇, primary, ZHANG Ran, 张然, additional, FAN Yuan-yi, 樊元义, additional, and CHU Jin-kui, 褚金奎, additional
- Published
- 2019
- Full Text
- View/download PDF
49. 甘肃野生草地早熟禾内源激素含量的 变化与无融合生殖率的关系研究.
- Author
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刘燕, 于美玲, 张然, 牛奎举, 李玉珠, 张金青, and 马晖玲
- Abstract
Copyright of Acta Prataculturae Sinica is the property of Acta Prataculturae Sinica 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
- 2020
- Full Text
- View/download PDF
50. 首发抑郁症患者认知行为治疗前后静息态脑功能磁共振 低频振幅的变化.
- Author
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王洋, 王菲, 汤艳清, 魏胜男, 姜晓薇, and 张然
- Abstract
Copyright of Journal of China Medical University is the property of Journal of China Medical 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.)
- Published
- 2020
- Full Text
- View/download PDF
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