Results 71 to 80 of about 14,782 (119)
[Efficacy analysis of electrochemical detection of leukocyte esterase based on glucosyl ester in diagnosis of periprosthetic joint infection after knee arthroplasty in rabbits]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiLuo N +5 more
europepmc +1 more source
[Current status and prospects of family financial toxicity in childhood malignancies]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiWu ST, Wang CL, Shi DR.
europepmc +1 more source
[Research progress of molecular imprinting technology in the field of disease diagnosis and therapy]. [PDF]
Se PuZhu R, Cai GP, Zheng HJ, Jia Q.
europepmc +1 more source
Gaoya dianqi, 1986 本文介绍了真空开关开断单相感性小电流的试验方法和计算机模拟的计算方法。通过试验和模拟计算,获得了ZN—6/600真空开关有关截流、触头间隙击穿和电流高频过零熄弧的随机特性,分析了一些电路条件对真空开关开断感性小电流时的操作过电压的影响。
doaj
[Analysis of stimulating factors for serum copeptin based on liquid chromatography-tandem mass spectrometry]. [PDF]
Se PuMu DN +8 more
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Gaoya dianqi高压喷射式熔断器是电力系统配电网中应用非常广泛的保护电器，研究其燃弧特性对于熔断器可靠运行具有重要意义。文中以10 kV喷射式熔断器为研究对象，首先对熔断器内电场强度进行了三维有限元仿真计算，得到最大电场Emax随开距变化曲线；建立考虑烧蚀的二维动态电弧数学模型，计算了熔断器在开断12.5、2.5 kA电流时的电弧特性，对比分析两种电流和不同长度的电弧缩短杆对熔断器内的灭弧管内壁烧蚀质量、气压分布、速度分布的影响；依据流注理论，结合电场和气流场计算结果，得到了熔断器开断短路电流弧后气体的介质恢复曲线 ...
王飞鸣 +5 more
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[Molecular imprinting strategies and advances targeting biomembranes]. [PDF]
Se PuYuan XT, Wang L, Chen LX, Hu LH.
europepmc +1 more source
[Research progress on external cervical resorption]. [PDF]
Zhejiang Da Xue Xue Bao Yi Xue BanChen R +5 more
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Gaoya dianqi短路故障的快速切除对提高电网输电线路的输电能力和提高电力系统暂态稳定性至关重要。快速真空断路器是实现短路故障快速切除的理想选择。文中目标是设计一款新型单断口72.5 kV快速真空断路器并对其短路电流开断性能进行验证。采用具有多重悬浮屏蔽罩与轻量化技术的72.5 kV真空灭弧室用作灭弧器件，电磁斥力机构用作操动机构，一款特殊设计的油阻尼器用作速度调节器。为满足短路电流开断要求，依据阳极放电模式将分闸速度特性定量化调控为：前15 mm行程内平均分闸速度v1为5 m/s，满开距30 mm内平均分闸速度v2为1.
刘洋 +5 more
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[Application of chromatography-mass spectrometry in the clinical analysis of multiple sclerosis]. [PDF]
Se PuYao ZY +5 more
europepmc +1 more source