Results 81 to 90 of about 54,611 (134)

分析光学元件保偏特性的方法

一种分析光学元件保偏特性的方法，包括：由第一宽波段线偏振片和第一宽波段四分之一波长波片组成极化单元，由第二宽波段四分之一波长波片和第二宽波段线偏振片组成检测单元，在同一光路上依次排列有激光器、极化单元、检测单元和光功率计；调节极化单元和调节检测单元；在极化单元和检测单元之间插入待测的光学元件；读取光功率计的读数，若待测光学元件对入射光的偏振状态有所改变，光功率计的读数将有所增加；若待测光学元件对入射光的偏振状态没有改变，则光功率计的读数不变 ...
朱汇, 吴昊, 郑厚植
core  

偏振转换器和偏振转换系统

, 2016
本发明提供一种偏振转换器和偏振转换系统。偏振转换器和偏振转换系统包括具有左旋和右旋偏振光栅域的图案化偏振光栅。偏振光栅域被构造成将入射非偏振光转换成左旋圆偏振光和右旋圆偏振光。A polarization converter and a polarization conversion system are provided.
樊帆, 杜涛, V·G·奇格利诺夫, 郭海成   +3 more
core  

卒中偏瘫肩痛的社区康复个案思考

Zhongguo cuzhong zazhi, 2020
罗峰，李忆鲁，周哲
doaj   +1 more source

[Neurodevelopmental outcomes in different types of neonatal stroke]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Miao JW, Song J, Zhang YH, Zhang XL, Yang LX, Wang YB, Zhu Y.   +6 more
europepmc   +1 more source

[Effectiveness comparison between proximal femoral nail anti-rotation and proximal femoral locking compression plate for intertrochanteric fracture in elderly patients combined with hemiplegia due to cerebral infarction]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2018
Wan Q, Zhang Q, Zhang Y, Liu Y, Yang X.
europepmc   +1 more source

[Interpretation of the "International consensus on early rehabilitation and nutritional management for infants at high risk of neurological impairment"]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Wang J, Qiu HY, He XM, Liu Y, Xu KS, Rehabilitation Group of Pediatrician Branch of Chinese Medical Doctor Association.   +5 more
europepmc   +1 more source

磁盘轴向偏摆信号的计算机处理

, 1989
本文讨论了磁盘轴向偏摆信号处理的原则和方法,阐述了高速A/D接口设计原则。在多次采样的前提下,对所测信号进行了加权滤波和FFT分析,设计了数据采集,数据处理及绘图程序,得到了磁盘轴向偏摆的位移曲线,速度曲线及加速度曲线 ...
朱进生, 付仙罗, 宁静娴
core  

[Closed-loop regulation system for paralyzed lower limb joint movement based on electrical stimulation of spinal central pattern generator]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Shen X, Zhang X, Lou X, Gu H, Bian X, Zhong H, Zhao Y.   +6 more
europepmc   +1 more source

[Risk factors associated with neurodevelopmental outcomes at 2-3 years of corrected age in extremely preterm infants]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Yang YL, Qu XL, Zhang S, Peng CJ, Luo N, Zeng H, Wei Z.   +6 more
europepmc   +1 more source

[Early resting-state functional connectivity characteristics in preterm and full-term infants: an exploratory study using functional near-infrared spectroscopy]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Wu Y, Zhu XY, Meng FZ, Gao HR, Cao JY, Yang H, Luo DD, Jin ZP, Zhou H, Wang J.   +9 more
europepmc   +1 more source