Results 11 to 20 of about 6,620 (115)
Analysis of Misdiagnosis of Bipolar Disorder in An Outpatient Setting
General Psychiatry, Volume 30, Issue 2, Page 93-101, July 2018., 2018 Background Bipolar disorder is a mental illness with a high misdiagnosis rate and commonly misdiagnosed as other mental disorders including depression, schizophrenia, anxiety disorders, obsessive‐compulsive disorders, and personality disorders, resulting in the mistreatment of clinical symptoms and increasing of recurrent episodes.
Hui Shen +5 more
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Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Nickel‐based superalloys (Ni‐based superalloys) have attracted extensive attention in laser additive manufacturing (LAM) due to their capability to directly fabricate complex and high‐performance structural components. However, the rapid melting and solidification inherent to LAM result in intense thermal cycling, which induces high residual ...
Tianxiang Lin +9 more
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Journal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.ABSTRACT Time and chronology form the invisible architecture upon which modern civilization depends, governing synchronization across markets, power grids, communication networks, transportation, and defense. Yet, this shared temporal framework, engineered through atomic clocks, satellites, and digital synchronization, faces growing vulnerabilities ...
Bilal M. Ayyub
wiley +1 more source
Journal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.ABSTRACT The infiltration of counterfeit, fraudulent, and suspect items into civil nuclear supply chains, notably within power generation and medical isotope production, poses severe safety and security threats. The ever‐increasing growth in nuclear installations (70 power plants are under construction and another 100 are in the planning stage) and the
Hafiz Ahmed
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The Rhetoric of Disenchantment: Ghost Belief and Secular Critique in Early Twentieth‐Century China
Cognitive Science, Volume 50, Issue 1, January 2026.Abstract This study presents the first large‐scale empirical analysis of how ghosts and spirits were debated during China's early twentieth‐century secular transformation. Using a novel dataset of over 2000 digitized texts—including newspapers, periodicals, and essays from 1890 to 1949—we combine close reading, AI‐assisted annotation, and statistical ...
Ze Hong, Yuqi Chen
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Uncovering Xi Jinping's Policy Agenda: Text As Data Approach
The Developing Economies, Volume 63, Issue 1, Page 9-46, March 2025.How many agendas has Xi Jinping put forth and promoted since taking office in 2012, and what are the types of agendas? How much of political attention has each agenda received, and how has the allocation of attention changed over time? We utilize a dataset of presidential statements, speeches, and reports from 2012 to 2022 and employed automated text ...
Jaehwan Lim, Asei Ito, Hongyong Zhang
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Gaoya dianqi, 2013 故障选相是高压输电线路继电保护正确运行的重要环节,也是精确测距的重要前提。传统的故障选相方法仅适用于简单故障,灵敏度较低,容易受系统运行方式、故障接地电阻等的影响。笔者在输电线路各相电流故障分量分析的基础上,借鉴信号能量的概念,给出了故障分量能量的定义,提出一种利用故障分量能量系数实现故障选相的新方法。该方法直接利用故障电流,提取故障分量并计算故障分量前2个周期的信号能量,得到故障状态下各相电流故障分量能量占电流故障分量总能量的比例系数,构造故障相识别特征向量,建立故障选相概率神经网络进行选相 ...
吴浩, 郭辉, 蔡亮
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IET Collaborative Intelligent Manufacturing, Volume 6, Issue 4, December 2024.Domain‐adaptation‐based named entity recognition with information enrichment is proposed for developing an equipment fault knowledge graph. A question answering application of the equipment fault knowledge graph is proposed. Abstract Numerous files, such as records and logs, are generated in the process of equipment diagnosis and maintenance (D&M ...
Dengrui Xiong +3 more
wiley +1 more source
Gaoya dianqi, 2020 变压器故障诊断特征信息繁多,且故障点难以确定,为有效利用故障信息提高故障诊断准确率,以及实现故障定位,提出一种基于粗糙集知识和优化支持向量机的变压器分层故障诊断及定位新方法。首先使用邻域粗糙集评估DGA样本重要度,并约简出优选故障诊断特征量。其次构建基于多分类支持向量机的分层故障诊断模型,采用粒子群算法优化模型参数以提高分类精度,实现了故障性质和故障定位的多层诊断。实例分析表明,新特征量可以提高机器学习的知识挖掘能力,不仅故障分类的精度增加,而且模型可以实现故障点的定位,综合诊断准确率达到88.4%。
周光宇, 马松龄
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Dianci bileiqi, 2023 短路故障和断线故障是配电网常见的线路故障，对配电网安全稳定运行有重要影响。本研究以不接地配电系统为对象，提出在线路绝缘子内部集成陶瓷电容，通过电容分压检测配电网线路故障的暂态电压信号，进而实现配电线路故障检测的新方法。采用PSCAD/EMTDC软件建立了短路故障和断线故障情况下配电系统的仿真模型，研究了典型故障工况下绝缘子内置电容分压器监测的线路电压特征。结果表明：对于低阻和中阻接地故障，线路故障相电压迅速减小至稳定值，健全线路对应相的电压欠阻尼振荡衰减至稳定值，故障线路与健全线路的暂态高频信号特征明显；
黄继盛, 刘红文, 唐钊, 张春丽
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