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Accurate and effective load forecasting is very important for real-time operation and dispatching of power systems. In this paper, a prediction model that incorporates variable selection and sparse Transformer is proposed. Static and temporal variables are used as inputs to give full play to the information enhancement of static variables in the global time range. The variable weighting component is designed based on the gating mechanism with which different weights are assigned to the variables according to their relevance to the predicted output. A two-layer coding structure is designed for temporal feature extraction, attention is sparse, and future moment loads are predicted by multivariate inputs. The proposed model is validated using real power load data, and the experimental results show that it can improve the prediction accuracy and prediction efficiency of mid-long term load forecasting.(准确且有效的负荷预测对于电力系统的实时运行和调度非常重要。提出了一种融合变量选择与稀疏Transformer模型的预测方法，将静态变量和时序变量作为输入，充分发挥静态变量在全局时间范围内的信息增强作用，基于门控机制设计变量分权组件，根据变量与预测结果的相关性，赋予变量不同的权重。设计了双层编码结构，进行时序特征提取，对注意力进行稀疏处理，通过多变量输入对未来时刻负荷进行预测。基于真实电力负荷数据的实验表明，本文模型能够提高中长期负荷预测精度和效率。)

在非地面网络中，依托低轨通信卫星的星地链路、卫星载荷以及地面终端等资源，实现定位解算，是实现未来6G通感一体化的重要技术手段之一。在手机直连卫星等场景下，终端设计上往往只与一颗卫星进行通信，探索单星定位方法具有十分迫切的意义。针对以往单星连续观测定位精度因子差、时钟同步困难、收敛速度慢等难题，提出了一种低轨星座场景下的双向测量差分定位方法，并基于卫星位置精度因子设计了位置更新策略。利用星地链路，采用单程双向测距方法消除时钟误差，通过时间累计测量、终端随机切换的方式弥补单星观测的空间缺陷，优化了终端定位性能。在仿真场景下，基于SpaceX的卫星轨道参数，对所提方案进行了验证，结果表明，采用随机切换卫星的方法进行测量，相比于未切换保持单星测量的终端，定位性能提升近100%；联合解算多个时刻观测数据，能够提升精度收敛速度，减小定位误差，在180 s的仿真时间内利用512次观测数据，当终端切换次数为19次时，最优定位精度可达299.5 m。

数字人文旨在采用现代计算机网络技术助力传统人文研究，文言历史古籍是进行历史研究和学习的重要基础，但由于其写作语言为文言文，与现代所用的白话文在语法和词义上均有较大差别，因此不易于阅读和理解。针对上述问题，提出基于预训练模型对历史古籍中的实体和关系等进行知识抽取的方法，从而有效获取历史古籍文本中蕴含的丰富信息。该模型首先采用多级预训练任务代替BERT原有的预训练任务，以充分捕获语义信息，此外在BERT模型的基础上添加了卷积层及句子级聚合等结构，以进一步优化生成的词表示。然后，针对文言文标注数据稀缺的问题，构建了一个面向历史古籍文本标注任务的众包系统，获取高质量、大规模的实体和关系数据，完成文言文知识抽取数据集的构建，评估模型性能，并对模型进行微调。在构建的数据集及GulianNER数据集上的实验证明了提出模型的有效性。

六足机器人拥有多个冗余自由度，适用于复杂的非结构环境。离散环境作为非结构环境的一个苛刻特例，需要六足机器人具备更加高效可靠的运动策略。以平面随机梅花桩为例，设定随机起始点与目标区域，利用深度强化学习算法进行训练，并得到六足机器人在平面梅花桩环境中的运动策略。为了加快训练进程，采用具有优先经验重放机制的深度确定性策略梯度算法。最后在真实环境中进行验证，实验结果表明，所规划的运动策略能让六足机器人在平面梅花桩环境中高效平稳地从起始点运动到目标区域。为六足机器人在真实离散环境中的精确运动规划奠定了基础。

针对新疆等地域辽阔地区的电力光缆难以运维的难题,文章提出在光纤自动交换技术和光功率放大技术的基础上,对几种超长程光路补偿、切换和在线监测方案进行模拟,进而提出了超长程光缆主备光纤调度及测试的有效方案。结果表明,该方案适用于超长程光缆调度与监测,可为未来超长程光缆网络智能运维系统的构建奠定基础。

搭建一个双向拉曼放大超长跨距光纤传输系统,在接收端采用非线性补偿算法来补偿因传输距离长和入纤光功率高所带来的光纤非线性效应,并通过实验成功实现了10Gbaud/s 16正交幅度调制（QAM）信号的传输,传输距离为300km。仿真和实验结果表明,通过采用非线性补偿算法,接收端信号的性能相比未使用非线性补偿算法时提高了2dB。证明了非线性补偿技术在超长跨距光纤传输系统中是非常有效且必要的。

目的 寻找脑动脉夹层相关卒中复发的高风险影像学特征，探讨责任动脉闭塞与其复发的关系。 方法 前瞻性连续性纳入2018年1月-2022年2月在郑州大学第一附属医院住院的首发脑动脉夹层相关卒中患者，通过MRI、MRA、CTA、HR-MRI及DSA等影像学方法评估血管闭塞、长节段夹层等影像学特征，长期随访其复发情况。通过单因素、多因素COX回归分析其复发的影响因素，构建Kaplan-Meier生存曲线评估血管闭塞与脑动脉夹层相关卒中复发的关系。 结果 共纳入107例脑动脉夹层相关卒中患者，有10例（9.3%）患者复发。单因素及多因素COX回归分析提示，责任动脉闭塞是脑动脉夹层相关卒中复发患者预后不良的独立预测因子（HR 6.150，95%CI 1.227～30.810，P=0.027），出血转化也与脑动脉夹层相关卒中复发显著相关（HR 12.605，95%CI 2.373～66.949，P=0.003）。Kaplan-Meier生存曲线提示，闭塞组与非闭塞组卒中复发率差异具有统计学意义（Log-rank P=0.001）。 结论 责任动脉闭塞是脑动脉夹层相关卒中复发的危险因素，需要大样本研究进一步验证本研究结果，为二级预防提供更精准的帮助。 Abstract: Objective To investigate the relationship between culprit cerebral artery occlusion and cerebral artery dissection (CAD)-related stroke recurrence. Methods The patients with first CAD-related ischemic stroke who were admitted in the First Affiliated Hospital of Zhengzhou University from January 2018 to February 2022 were prospectively included in this study. CTA, MRA, HR-MRI, DSA and other imaging methods were used to evaluate the imaging characteristics of culprit cerebral artery occlusion and long-segment dissection; and the long-term imaging follow-up was performed to evaluate stroke recurrence. COX regression analysis was used to evaluate the risk factors of stroke recurrence, and Kaplan-Meier survival curve was constructed to evaluate the relationship between cerebral artery occlusion and CAD-related stroke recurrence. Results A total of 107 cases were included in the analysis, with stroke recurrence in 10 patients (9.7%). Cox regression analysis showed that culprit artery occlusion (HR 6.150, 95%CI 1.227-30.810, P=0.027) and hemorrhagic transformation (HR 12.605, 95%CI 2.373-66.949, P=0.003) were independent risk factors of CAD-related stroke recurrence. The Kaplan-Meier survival curve showed that there was statistical difference in stroke recurrence between artery occlusion and non-occlusion groups (Log-rank P=0.001). Conclusions Artery occlusion is a risk factor of CAD-related stroke recurrence.

Copyright of Chinese Journal of Tissue Engineering Research / Zhongguo Zuzhi Gongcheng Yanjiu is the property of Chinese Journal of Tissue Engineering Research 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.)

系统性红斑狼疮（SLE）是一种系统性自身免疫疾病, 临床异质性强, 以多器官不同程度受累、病情反复复 发与缓解、体内存在大量自身抗体为主要特点。寻找安全有效的治疗药物和治疗方法来延缓疾病进展, 降低其发病 率和病死率是当前临床关注的重点。羟氯喹是氯喹的羟基化类似物, 治疗 SLE 效果较为显著。HCQ 可通过抑制 Toll 样受体信号传导、阻断抗原呈递、抑制细胞自噬、抑制钙动员等多种途径发挥对 SLE 的治疗作用。HCQ 作为 SLE 的基础用药, 常与糖皮质激素、免疫抑制剂、生物制剂联合应用, 对改善临床症状、延缓疾病进展、改善 SLE 相关 并发症具有显著效果。探讨 HCQ 治疗 SLE 的作用机制及疗效, 能够为临床治疗 SLE 提供更充分的理论依据, 并扩 大 HCQ 的临床应用。 [ABSTRACT FROM AUTHOR]

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.)

Copyright of Food Research & Development is the property of Food Research & Development 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.)

Copyright of Food Research & Development is the property of Food Research & Development 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.)

Copyright of Food Research & Development is the property of Food Research & Development 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.)

Copyright of Journal of Synthetic Crystals is the property of Journal of Synthetic Crystals 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.)

Copyright of CT Theory & Applications is the property of Editorial Department of CT Theory & Applications 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.)

AIM: This study aims to investigate the expression differences of the ultraconserved RNA gene cluster uc. 102-uc. 106 and its host gene Obg-like ATPase 1(OLA1) in various tissues of C57BL/6J mice. METHODS: Five healthy male C57BL/6J mice aged 8~10 weeks were selected, and under normal physiological conditions, various tis⁃ sues and organs, including liver, testis, bone marrow, brain, kidney, blood, lung, colon, thymus, spleen, stomach, heart, lymph nodes and bladder, were collected. Simultaneously, magnetic bead separation technology was employed to extract bone marrow blood cells, including B cells, macrophages, erythroid precursor, and mature red blood cells. The expression levels of uc. 102-uc. 106 and OLA1 mRNA were determined by RT-qPCR with GAPDH as the internal reference. RESULTS: The OLA1 mRNA exhibited high expression levels in the brain, lymph nodes, testis and thymus of C57BL/6J mice, and low expression levels in the liver, spleen, lung, colon and peripheral blood (P<0. 05). The expression trend of the uc. 102-uc. 106 gene cluster was generally opposite to that of OLA1 mRNA, except for both exhibiting high expression levels in testicular tissue (P<0. 05). In blood cells, the OLA1 mRNA and the uc. 102-uc. 106 gene cluster showed the highest expression levels in B cells and the lowest expression levels in mature red blood cells (P<0. 05). CONCLUSION: This study indicates that OLA1 gene and uc. 102-uc. 106 gene cluster are expressed in different tissues and blood cells of C57BL/6J mice. Notably, the high expression levels of OLA1 gene and uc. 102-uc. 106 gene cluster in the mouse testis suggest a potential association with male reproductive functions [ABSTRACT FROM AUTHOR]

In this paper, the properties of T700 carbon fiber/epoxy resin matrix composites with pore damage were studied after aging in salt solution with different concentration, time and temperature, and the failure mechanism was analyzed. The mass change, SEM microstructure, glass transition temperature, infrared spectrum analysis and open hole tensile properties of the samples were analyzed after soaking in salt solution. The results show that the concentration of the salt solution has little effect on the properties of the material, while the aging time and temperature of the salt solution have more obvious effect on it. With the increase of temperature and time, the faster the moisture absorption rate, the greater the decrease of the glass transition temperature, the more serious the damage of the specimen morphology, the damage of the interface between the fiber and the matrix, and the open hole tensile strength. [ABSTRACT FROM AUTHOR]

Fusarium crown rot (FCR), mainly caused by Fusarium pseudograminearum, is a serious fungal disease that affects wheat yield. To determine the inhibitory activity of metconazole to F. pseudograminearum in Henan province, the toxicity of metconazole against three randomly selected isolates (JY2208, HB2201, and XC2116) at different developmental stages was determined from 219 isolates tested. The combined toxicity of metconazole with prochloraz, phenamacril, fluazinam, and fludioxonil against isolate JY2208 was determined according to the mass ratio of 5 : 1, 3 : 1, 1 : 1, 1 : 3, 1 : 5. The indoor control efficacy of metconazole against FCR was determined by the wheat coleoptile inoculation method. The results showed that the average EC50 values of mycelium growth, sporulation quantity, spore germination, and germ tube elongation of three isolates were (0.0397 ± 0.0035) μg/mL, (0.9549 ± 0.1152) μg/mL, (0.6114 ± 0.0393) μg/mL, and (0.0235 ± 0.0015) μg/mL, respectively. The EC50 values of metconazole, inhibiting mycelium growth of 219 isolates of F. pseudograminearum, ranged from 0.0207 to 0.0839 μg/mL, with an average value of (0.0406 ± 0.0114) μg/mL. The sensitivity frequency distribution was a continuous single-peak curve, which could serve as the baseline sensitivity of F. pseudograminearum to metconazole in Henan Province. The synergy ratios (SR) of metconazole combined with prochloraz, phenamacril, fluazinam, and fludioxonil ranged from 0.51 to 2.32. Different combinations and ratios of the mixture demonstrated either additive inhibition or synergistic inhibition efficacy. These results indicated that metconazole can be used in combination with prochloraz, phenamacril, fluazinam, and fludioxonil. Metconazole and fluazinam, with a mass ratio of 5 : 1, exhibited the strongest synergistic inhibition effect, achieving the maximum synergy ratio, with an SR of 2.32. Under laboratory conditions, the combination of 8% metconazole suspension and 50% fluazinam suspension, with the active ingredient of mass ratio of 5 : 1, achieved 100% control efficacy at the concentration of 80 μg/mL. These results could provide a basis for controlling the Fusarium crown rot caused by F. pseudograminearum. [ABSTRACT FROM AUTHOR]

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Copyright of Chinese Journal of Computational Mechanics / Jisuan Lixue Xuebao is the property of Chinese Journal of Computational Mechanics Editorial Office, Dalian 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.)

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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.)

Copyright of Chinese Journal of Tissue Engineering Research / Zhongguo Zuzhi Gongcheng Yanjiu is the property of Chinese Journal of Tissue Engineering Research 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.)

Copyright of Chinese Journal of Tissue Engineering Research / Zhongguo Zuzhi Gongcheng Yanjiu is the property of Chinese Journal of Tissue Engineering Research 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.)

BACKGROUND: Tumor necrosis factor-α is a broadly acting inflammatory cytokine that plays an important role in the immune inflammatory response of the body. The current study concluded that tumor necrosis factor-α has significant biological effects on a variety of bone tissue cells. OBJECTIVE: To summarize the expression and action pathways of tumor necrosis factor-α in osteoblastic and osteoclastic cells to further elucidate the regulatory role of tumor necrosis factor-α on bone tissue cells. METHODS: PubMed and CNKI were searched until March 2023, and the Chinese search terms included “tumor necrosis factor α, osteoblast, osteoclast, osteoclast, osteoprogenitor”; the English search terms included “TNF-α, osteoblast, osteoclast, osteocyte, osteoprogenitor cell”. The corresponding criteria were established according to the research needs, and the final literature was screened. Finally, 77 articles were included for review. RESULTS AND CONCLUSION: (1) Tumor necrosis factor-α is participating in regulating the recruitment, appreciation, and differentiation of osteoprogenitor cells, but leads to osteoprogenitor cell stripping and death under specific environments. It also participates in bone resorption directly or indirectly through secreted enzymes. (2) Tumor necrosis factor-α can increase the level of inflammatory factors in the environment by activating relevant signaling pathways in osteoclast lineage cells or directly induce the generation of osteoclasts in specific environments. (3) Tumor necrosis factor-α can inhibit osteogenic differentiation by activating nuclear factor-κB signaling pathway, inhibiting the expression of transcription factors such as RUNX2 and Osterix, and inducing apoptosis and necrotizing apoptosis in osteoblasts. (4) Tumor necrosis factor-α inhibits osteogenesis and promotes osteoclastogenesis by activating the nuclear factor-κB signaling pathway in osteocytes and inducing cytokines such as RANKL, SOST, and DKK1, while enhancing apoptosis of the osteocytes, as well as bone resorption around the apoptotic bone tissue. (5) Taken together, the effect of tumor necrosis factor-α in bone tissue is mainly to inhibit osteogenesis and promote osteoclastosis. The biological effect of tumor necrosis factor-α in bone tissue cells is usually dependent on the activation of tumor necrosis factor receptor and nuclear factor-κB signaling pathways. (6) The interaction of tumor necrosis factor-α with other tissue cell types surrounding bone tissue and its role in bone immune regulation still deserve attention in future studies. [ABSTRACT FROM AUTHOR]

Copyright of Food Research & Development is the property of Food Research & Development 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.)

The experiment aimed to comprehensively understand the nutritional characteristics of fish in the ponds of the Dahuangpu Wetland buffer zone. The conventional nutritional components, mineral content, as well as the amino acid and fatty acid composition in the muscles of the Hypophthalmichthys molitrix, Aristichthys nobilis, and Plagiognathops microlepis from the ponds in the Dahuangpu Wetland buffer zone were analyzed. The results showed that the muscle protein content of Hypophthalmichthys molitrix, Aristichthys nobilis, and Plagiognathops microlepis were 15.00%, 15.60%, and 13.80%, respectively, with crude fat content at 0.60%, 0.50%, and 1.10%. They were rich in macro elements such as potassium, sodium, calcium, magnesium, and phosphorus required by the human body, as well as trace elements like iron, zinc, and selenium. All three species had 16 kinds of amino acids detected in their muscles, with high glutamic acid content. The essential amino acids accounted for 38.69%, 38.76%, and 39.98% of the total amino acids, with essential amino acid indices of 101.90, 83.88, and 87.18 respectively. Hypophthalmichthys molitrix, Aristichthys nobilis, and Plagiognathops microlepis muscles were found to contain 10, 10, and 14 kinds of fatty acids respectively, with the order of saturated fatty acids, monounsaturated fatty acids, and polyunsaturated fatty acids from high to low being Plagiognathops microlepis, Hypophthalmichthys molitrix, and Aristichthys nobilis. The study indicates that Hypophthalmichthys molitrix, Aristichthys nobilis, and Plagiognathops microlepis from the Dahuangpu buffer zone ponds are good sources of protein with a reasonable composition of amino acids, rich in minerals and beneficial fatty acids, and have high nutritional value and edibility. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Jilin University (Medicine Edition) is the property of Jilin 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.)

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