Subjects: Dynamic and Electric Engineering >> Electrical Engineering submitted time 2019-03-05 Cooperative journals: 《电气工程学报》
Abstract：通过研究用户在使用普通键盘进行文本输入时前肢及背部的三块肌肉的表 面肌电信号（sEMG），探讨腕托缓解肌肉疲劳的实际效用，为改进腕托以及键入姿势 提供更加符合人体工效学的理论依据。实验共测试 10 名被试者在不使用腕托以及使用 三种不同材质腕托的状态下前肢及背部肌肉的表面肌肉信号，并对所得数据进行标准 化处理，再使用统计分析软件 SPSS 对标准化后的数据（NsEMG）进行数据分析。结 果表明背部上斜方肌（UT）为键盘操作过程中最易产生疲劳的肌肉，且其肌肉疲劳与 腕托的材质使用与否并无关系，而使用布料腕托时指浅屈股（FDS）标准肌电值出现 显著差异（P ＜ 0.05）。
Subjects: Materials Science >> Materials Science (General) submitted time 2023-03-31 Cooperative journals: 《腐蚀科学与防护技术》
Abstract： Fe- Cr-Mn alloys are becoming a promising candidate material for interconnectors of solid oxide fuel cells (SOFC) stacks because of the formation of an conductive scale containing (Mn,Cr)3O4 spinel at intermediate temperature range of 650~800 ℃. To better understand their scaling mechanism and evaluate their high temperature performance for SOFC interconnects, the oxidation of Fe-13Cr-xMn alloys with different Mn content (x=0.5, 1, 2) was investigated both in dry and wet air at 800 ℃. The experimental results indicated that all alloys exhibited excellent oxidation-resistance in dry atmosphere. The Fe-Cr-Mn alloys with Mn less than 1% could easily form the conductive (Mn, Cr)3O4 spinel, which can effectively hinder the volatilization of chromium from the surface of the alloys. However, the oxide Mn2O3 presented in the scale after the manganese content of the alloy increased up to 2%. These had an impact on the high temperature performance of the alloy. In the wet atmosphere, the instability oxidation of all alloys occurred and a large amount of oxide products formed on the surface of the alloys, in contrast to that in dry atmosphere. The oxidation rates decreased with increasing manganese content, which is mainly attributed to the formation of (Mn, Cr)3O4 spinel with higher Mn content. No accelerated oxidation occurred on Fe-13Cr-2Mn alloy within the first 12 h oxidation. The accelerated oxidation of Fe-Cr-Mn alloy was mainly caused by the reaction between the water vapor and chromia scale. The mechanism of accelerated oxidation and the effect of Mn were reported and elucidated by experimental methods including SEM/EDS and XRD.
Subjects: Psychology >> Social Psychology submitted time 2023-03-28 Cooperative journals: 《心理科学进展》
Abstract： Ostracism (i.e., the phenomenon of being rejected or neglected by an individual or a group) brings suffering to individuals. Mindfulness is conducive to emotional regulation and coping with stress, which may play a beneficial role in alleviating ostracism. From three perspectives (target, source, and observer) and three time points (before, during, and after the occurrence of ostracism), a series of questions about whether, when, and how mindfulness can play a role in ostracism were analyzed in detail and summarized as a model relating mindfulness and ostracism. This model demonstrates that before ostracism occurs, from the perspective of the source, awareness of the present may help to reduce the ostracism caused by the neglect of an individual. Some ostracism is aimed to express aggression towards the relationship. The effective emotional management and good communication brought about by mindfulness may help to deal with interpersonal relationships in a less exclusive way. From the perspective of the target, mindfulness may alleviate anxiety and overreaction to potential rejection. After ostracism occurs, mindfulness may not only reduce the rumination of ostracism but also may promote positive reappraisal, which help to alleviate the pain due to being ostracized. From the perspective of the observer, paying attention to the present may help the individual to identify the occurrence of ostracism and to provide helpful behaviors. Increasing the level of empathy and positive emotions may also be the mechanism by which mindfulness promotes prosocial behaviors. During the occurrence of ostracism, mindful targets are more likely to have high-quality communication with the source, which may reduce the possibility of exacerbation. Although the current research was rich in content, there were still some limitations. First of all, relatively few studies from the perspective of the target were identified. Future research needs to consider creating new paradigms or measurement methods to record ostracism behaviors objectively and to examine whether trait mindfulness and mindfulness intervention can reduce ostracism behaviors, which will reduce the negative impact of ostracism from the root cause. In addition, relevant research on the dynamic interactions between the target and the source during ostracism is scarce. Second, from the perspective of research quality, the current research methods mainly involve cross-sectional questionnaires, which lack objectivity and can only make relevant inferences. At the same time, there are relatively few randomized controlled intervention studies, and it is difficult to clarify the magnitude of the benefits of mindfulness on ostracism. Third, the boundary conditions for the benefits of mindfulness on ostracism need to be further clarified. Research on individual differences and negative outcome categories is an entry point for future studies related to mindfulness and ostracism. In summary, many studies have explored the role of mindfulness in stressful situations, but its role in ostracism has only just begun to be investigated. More research in the future is needed to help understand the relationship between mindfulness and ostracism more comprehensively.
Subjects: Psychology >> Social Psychology submitted time 2021-12-07
Abstract： From three perspectives (target, source, and observer) and three-time points (before, during, and after the occurrence of ostracism), a series of questions about whether, when, and how mindfulness can play a role in ostracism were analyzed in detail and summarized as a model relating mindfulness and ostracism. The model demonstrates that before ostracism occurs, mindfulness may alleviate rejection sensitivity and reduce rejection behaviors. After ostracism occurs, mindfulness may alleviate pain and contribute to the helping behavior of observers. When ostracism occurs, mindfulness may promote good communication and reduce the likelihood of ostracism deterioration. More empirical research is needed to explore the mechanisms and the boundary conditions of the benefits of mindfulness on ostracism.
Peer Review Status:
Awaiting Review
Subjects: Medicine, Pharmacy >> Preclinical Medicine submitted time 2017-12-27 Cooperative journals: 《南方医科大学学报》
Abstract： Objective To predict orthologous sequences of the GENCODE-identified 13 562 human long non-coding RNAs (lncRNA) in 16 mammalian genomes and construct a lncRNA database LongMan for lncRNA studies. Methods The exon structures of a total of 13 562 human lncRNAs were analyzed using RNAfold, and their orthologous sequences were searched against 16 mammalian genomes using Infernal. The potential orthologous genes, transposons and splicing signals of human lncRNAs were predicted to construct a lncRNA database with a updating mechanism. Results and Conclusion The lncRNA database LongMan we constructed, which currently contains 133 646 orthologous lncRNAs, provides information of the sequences, alignments, transposons, and species-specific insertions and deletions and allows database search on combinatorial conditions, graphic display and data download. As the first large-scale mammalian orthologous lncRNA database, LongMan has important values in future comparative and functional studies of lncRNAs.
Subjects: Psychology >> Applied Psychology submitted time 2023-07-09
Abstract： [Objective] To explore the differences of sleep quality and life satisfaction in different regions by means of microblog data, and to analyze the relationship between sleep quality and life satisfaction.
[Method] Weibo users were divided into four regions according to their posts, and the differences of sleep quality and life satisfaction were compared. [Results] (1) The sleep quality of Weibo users was marginal significant among the four regions, F (3, 489) = 2.363, p = 0.071. The sleep quality score of Weibo users in central region was significantly higher than that of Weibo users in western region (p < 0.05), but there was no significant difference in sleep quality between other regions (ps > 0.05). (2) There was no significant difference in the life satisfaction of Weibo users among the four regions, F (3, 489) = 1.490, p > 0.05. (3) Sleep quality was negatively correlated with life satisfaction (r = −0.08, p < 0.05); (4) Sleep quality did not significantly predict life satisfaction (B = −1.27, p = 0.078). [Conclusion] Sleep quality varies among users in different regions, and lower sleep quality will affect life satisfaction.
Peer Review Status:Awaiting Review
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