Results 11 to 20 of about 10,309 (158)

Nailfold capillaroscopy and deep learning in diabetes 甲襞毛细血管镜检测与深度学习在糖尿病中的应用

open access: yesJournal of Diabetes, Volume 15, Issue 2, Page 145-151, February 2023., 2023
Highlights Nailfold capillary images were obtained by performing nailfold video capillaroscopy in 120 adult patients with and without diabetes. Over 5000 photographs were analyzed using machine‐learning approaches, and these models were clearly able to distinguish people based on diabetes status.
Reema Shah   +6 more
wiley   +1 more source

International clinical practice recommendations on the definition, diagnosis, assessment, intervention, and psychosocial aspects of developmental coordination disorder – Chinese (Mandarin) translation

open access: yesDevelopmental Medicine &Child Neurology, Volume 61, Issue 3, Page E1-E35, March 2019., 2019
目的 本国际临床指南由欧洲残疾儿童学会(the European Academy of Childhood Disability,EACD)牵头制定,旨在解决发育性协调障碍(developmental coordination disorder,DCD)的定义、诊断、评估、干预以及与社会心理方面的临床应用关键问题。 方法 本指南针对五个领域的关键问题,通过文献综述和专家团队的正式讨论达成共识。为保证指南的循证基础,以“机制”、“评估”和“干预”为检索词, 对2012年更新以来提出的最新建议以及新增的“社会心理问题”和“青少年/成人”为检索词进行检索。根据牛津大学循证医学中心证据等级 (证据水平 [level of evidence, LOE]1–4) 将结果进行分类,最终转化为指南建议。并由国际 ...
Jing Hua   +6 more
wiley   +1 more source

Gravity‐Driven Inclination Sensor Based on Liquid Metal Interface Migration in Anisotropic Microchannels for Information Transmission and Continuous Surface Topography Scanning

open access: yesRare Metals, EarlyView.
ABSTRACT With the continuous advancement of materials science and technology, the rare metal gallium has increasingly emerged as a promising alternative to the toxic metal mercury. Although existing research has predominantly focused on the high electrical conductivity and excellent deformability of liquid metal (LM), its intrinsic fluidic property ...
Feifan Guo   +6 more
wiley   +1 more source

Double‐Hollow Porous Heterostructured CoP/Cu3P Microspheres for High‐Performance Asymmetric Supercapacitors

open access: yesRare Metals, EarlyView.
ABSTRACT CoP has become a research hotspot for supercapacitor electrode materials because of its considerable theoretical capacitance and metalloid nature, but its commercial application remains hampered by structural instability and sluggish ion kinetics.
Gaoliang Wang   +8 more
wiley   +1 more source

变压器潜游机器人螺旋桨空化及抑制方法研究

open access: yesGaoya dianqi, 2023
针对大型电力变压器使用机器人代替人工检修过程中出现的潜游机器人螺旋桨推进器造成变压器油中空化问题,分析了变压器油中螺旋桨推进过程中产生气泡的影响因素,关于螺旋桨转速、油粘度、温度等条件对油中空化现象的影响开展了仿真研究。通过对变压器油的降压实验,测得了运行年限不同的大型电力变压器绝缘油不同温度下的起泡气压,根据螺旋桨推进器空化判据建立了模型,提出了基于变压器油饱和蒸汽压指标的变压器潜游机器人推进器设计和控制建议。
唐文彬, 苏磊, 赵文彬
doaj  

AC-AC Converter With High Frequency Link [PDF]

open access: yes, 2015
电力电子变换技术在过去六十年里已经取得较大发展,人们在AC/DC、DC/DC、DC/AC等领域内的中、小功率变换器研究已经取得了显著成就。然而,对AC/AC变换器研究仅局限于可控硅变换器、矩阵变换器和交流斩波器等交流电网与负载无电气隔离领域。目前国内外对于AC/AC变换技术的研究仍处于初级阶段,寻找一种结构简洁、控制模式方便的主拓扑具有很重要应用意义。 本文通过了解各种典型和新兴的交流变换器主拓扑结构及其性能特点,对高频连接型全桥桥式变换器的电路拓扑、控制原理等进行了深入研究,设计出一款可运行恒压 ...
张少煌
core  

Application and Prospect of Flexible Transmission and Distribution Technology in Internet Data Center [PDF]

open access: yes, 2023
[Introduction] As an important thrust of China's "new infrastructure", internet data centers have ushered in opportunities for vigorous development and become new areas of energy use, putting forward higher requirements for the power supply level and ...
Deyang CHEN   +7 more
core   +1 more source

Ru‐Ag Dual Atom Sites for Methane Detection Enabling Intelligent Thermal Runaway Warning in Lithium‐Ion Batteries

open access: yesRare Metals, EarlyView.
ABSTRACT Early detection of thermal runaway (TR) is essential for lithium‐ion battery (LIB) safety, as unchecked TR risks catastrophic failures in energy storage systems. Gas‐based sensing offers a faster and more direct approach by detecting decomposition products at the molecular level.
Tianshui Liang   +9 more
wiley   +1 more source

Toxic Effects and Mechanisms of Polychlorinated Biphenyls(Aroclor 1254) on Glucose Homeostasis in Male Mice [PDF]

open access: yes, 2015
多氯联苯(PolychlorinatedBiphenyls,PCBs)作为最难以降解的持久性有机污染物之一,其引起的环境问题已经受到了极大的关注。有关环境污染物导致糖尿病的机制已经开展了较多的研究,但是关于环境水平的PCBs长期暴露能否导致糖尿病的发生以及其毒性效应机制还不清楚。本研究以C57BL/6品系青春期雄性小鼠为研究对象,研究环境水平的PCBs长期暴露导致糖尿病发生发展的毒性效应机制。采用浓度分别为0.5、5、50和500μg/kg的Aroclor1254,通过灌胃法对小鼠进行染毒 ...
张诗琦
core  

Analysis of the Influence of Common Mode Current on Wind Turbine [PDF]

open access: yes, 2023
[Introduction] The objective is to solve the injury and destruction of the wind turbine equipment caused by the common mode interference current and avoid the long-term operation of the wind turbine with faults and the damage to the large components of ...
Xiaofeng WANG
core   +1 more source

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