Results 91 to 100 of about 785,802 (144)

核爆探测系统研究

, 2001
核爆闪光探测是探测大气层核爆最重要物理特征的主要手段。地球卫星由于监视范围大，全天候，因而成为最重要，最理想的核爆炸探测平台。基于此，本文提出了星载核爆火辐射探测的系统方案。本方案对核爆信号的特征进行描述，并且对其能量进行定量计算。针对天基核爆探测系统的要求以及国内外核爆探测的经验，将整个部分分为识别系统和定位系统。本人在硕士研究生期间主要从事核爆识别系统的方案论证工作。此系统以高性能光电二级管PDD作为探测元件，将光能量信号转变为电信号，此信号放大，压缩后经A／D转换器变为数字信号 ...
李继红
core  

[Role and mechanism of infrared thermography in early identification of necrosis risk in random-pattern flaps of mice]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Jiang XQ, Xu J, Ling XW, Cai FM, Chen H, Xiao J.   +5 more
europepmc   +1 more source

[Reflections on surgical management strategies for locally advanced gastric cancer after neoadjuvant immunotherapy]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Xi Y, Li Y, Lin L, Chen L, Yuan X, Zhao L, Liu H, Lin T, Zhao M, Zhong W, Hu Y, Guo W.   +11 more
europepmc   +1 more source

[Application of transverse tibial axis reference method in rotational positioning of femoral prosthesis in total knee arthroplasty]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wei X, Wei Q, Yang H, Hao L, Zhang H, Yin Z, Li Y.   +6 more
europepmc   +1 more source

常用法医学SNPs分型技术对比及应用

Zhongshan Daxue xuebao. Yixue kexue ban, 2008
本文就目前国内外法医学领域常用的SNPs分型技术:等位基因特异性杂交、引物延伸技术、寡核苷酸连接检测及寡核苷酸探针侵袭切割反应技术的原理、反应条件和实验步骤及其优缺点进行了对比综述报道。
doaj  

[Development of a nomogram prediction model for re-tear after arthroscopic repair of massive rotator cuff tears]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Yang Z, Ruan W, Pan W, Li D, Yu Y, Zhao L.   +5 more
europepmc   +1 more source

一种基于光谱测量技术的双光路水体环境在线测量装置

, 2016
本发明公开一种基于光谱测量技术的双光路水体环境在线测量装置，包括一密封外壳，所述外壳内设置探测光学单元、信号处理单元，外壳的中间部位设置探测池；光源控制板控制光源工作，光源发出紫外?可见光；紫外?可见光经透镜一后变为平行光；平行光经半透半反镜后被分为两路，一路穿过探测池的光窗后经透镜二聚焦，再经光纤传输至采集模块，用于测试待测水样，另一路作为光源能量变化的参考信号由光电探测器接收后传输至控制与信号处理模块；本发明的优点是：采用了太阳能供电，可长期运行，采用了光窗清净系统 ...
冯巍巍, 蔡宗岐
core  

[CD19-targeted in vivo CAR-T cell therapy for high-risk/refractory B-acute lymphoblastic leukemia: a case report and literature review]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Li Y, Ma FY, Zhang LH, Ren J, Wang SB.
europepmc   +1 more source

[Establishment and preliminary clinical validation of an artificial intelligence-assisted perforator identification model for anterolateral thigh perforator flaps based on ICGA videos]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Hou XW, Dong S, Zhu B, Wu CL, Tian YS, Wang S, Liu ZY, Ju JH, Wang K.   +8 more
europepmc   +1 more source

[Ultrasound technologies' new clinical application for chronic liver diseases]. [PDF]

Zhonghua Gan Zang Bing Za Zhi
Xiao MY, Lu X, Jin JY, Wu ML, Ren J.
europepmc   +1 more source