Gaoya dianqi在电气化铁路的弓网系统滑动电接触中，受压力载荷影响的载流效率、载流相对稳定系数、磨损率、接触电阻是反映弓网摩擦和受流效果的重要参数。利用实验数据，通过蛇算法优化极限学习机得到四个参数的预测模型，以此为基础建立最优压力载荷目标函数；针对压力载荷寻优问题提出一种参考点生成方式对非支配排序遗传算法—Ⅲ进行改进，并对压力载荷进行寻优得到均匀广泛的pareto前沿解集；采用CRITIC法计算pareto前沿解集的客观权重，考虑机车运行速度的影响引入自适应因子，得到自适应权重 ...
陈忠华 +4 more
doaj
[Safety study of resin-based dental materials using gas chromatography-mass spectrometry techniques]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiLi Y, Zeng Y, Du Z, Ren G.
europepmc +1 more source
Gaoya dianqi直流GIL三支柱绝缘子气—固界面容易积聚电荷，引发放电或炸裂击穿等故障，是绝缘系统的薄弱环节。然而，三支柱绝缘子形状不规则，曲面轮廓复杂，目前尚缺乏有效的表面电荷测量方法。研究针对三支柱绝缘子的复杂曲面轮廓，搭建了一套可实现电位全方位测量的空间五自由度机械装置，完成了对绝缘子表面电位全方位的自动测量，总测量点数为15 120个，空间采样率为0.25 mm-2。进一步通过调整边界条件以及采用维纳滤波处理，提出了适用于非对称复杂曲面结构的表面视在电荷反演优化算法。同种干扰条件下的模拟算例表明 ...
刘智鹏, 胡琦, 李玄, 李庆民
doaj
[Extracellular matrix materials and tissue regeneration and repair]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZhao L, Xie H.
europepmc +1 more source
[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
[Research progress on the application of molecularly imprinted nanozymes in the field of biosensing]. [PDF]
Se PuZhang X, Liu S, Pan J.
europepmc +1 more source
一种判定无上反射镜谐振腔增强型光电探测器有效腔模的方法，包括如下步骤：设计无上反射镜谐振腔增强型光电探测器的结构，形成探测器样品；将设计的探测器样品生长好以后，利用光谱仪测量样品的反射谱，标出反射谱中高反带区域的各个漏模；依据光学传输矩阵的原理编辑模拟程序，模拟得到与设计的无上反射镜谐振腔增强型光电探测器结构以及层厚完全一致的理论模拟反射谱；调节模拟程序中反射镜各层和腔体各层的厚度，使模拟得到的反射谱与实验测得的反射谱保持一致，然后改变模拟程序中吸收层的吸收系数，并观察模拟反射谱中各个漏模的变化 ...
章昊, 孙晓明, 郑厚植
core
[Design and synthesis of molecularly imprinted polymers and their applications in medical diagnosis and biocatalysis]. [PDF]
Se PuSong Q, Li X, Lyu Y.
europepmc +1 more source
[Formation mechanisms, construction, and performance evaluation of self-assembled nanoparticles derived from natural products]. [PDF]
Zhong Nan Da Xue Xue Bao Yi Xue BanCheng S +6 more
europepmc +1 more source
[The influence of articular surface conformity on the biomechanics of rotating hinge knee prostheses]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiLi Y +5 more
europepmc +1 more source