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Distributed Stepping Motor Control System

IMP & HIRFL Annual Report 2001年第1期 100-100页

作者： Bai Jie, Chen Zhiqiang, Xiao Guoqing, Zhan Wenlong, Guo Zhongyan, Wang Meng, Sun Zhiyu Li Jiaxing, Tian Wendong, Wang Jiansong, Wang Wusheng, Mao Ruishi, Chen Zhiqiang Hu Zhcngguo, Chen Lixin and Li Ch

The beam diagnostic devices used at RIBLL are driven by stepper motors, which are controlled by I/O modules based on ISA-bus in an industrial computer. The disadvantages of such mode are that a large number of long cables are used and one computer to control is unsafe. We have developed a distributed stepping motor control system for the remote, local and centralized control of the stepping motors. RS-485 bus is used for the connection between the remote control unit and the local control units. The con...

关键词： disadvantages stepping centralized contr steps diagnostic absolute switches panel START

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Performance evaluation of six homocysteine cycle enzymatic detection systems

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China Medical Abstracts(Internal Medicine) 2014年第2期31卷 68-68页

作者：安崇文 Dept Clin Lab Peking Univ Hosp

Objective To evaluate the performance of six homocysteine(Hcy)analysis *** This is a methodological evaluation *** analyzed six cycle enzymatic systems,and their correlation and deviation compared with chemiluminescen... 详细信息

关键词： homocysteine cycle enzymatic deviation microparticle immunoassay Abbott centration Correlation absolute

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Striatum shape development of the human fetal brain in early second trimester

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解剖学杂志 2021年第S1期44卷 61-61页

作者： Tian Mimi Xu Feifei Zhang Zhonghe Hu Minqi Liu Shuwei Research Center for Sectional and I maging Anatomy Cheeloo College of MedicineShandong UnirversityJinan 250012

The striatum is the largest structure of the basal ganglia,receiving synaptic input from multiple regions including the neocortex,thalamus,external globus pallidus,and *** of its major roles is to integrate sensorimotor,associative and limbic *** development and evolution of basal ganglia is one of the most fundamental and important questions in ***,we segmented the fetal striatum using 7.0T MR images from 46 specimens from 14 to 22 gestational weeks and revealed the developmental course of the fetal striatum using volume and shape *** absolute volume of caudate nucleus(CN)was linearly expanded and moderate hemisphere effect was observed in the absolute volume of *** the relative volume had a nonlinear relationship with GW,and there was no obvious difference between *** absolute and relative volumes of the putamen showed linear expansion,and there was no obvious difference between hemispheres.

关键词： fetal cortex absolute

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表“气体”含义的几个名词辨异

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语言教育 1995年第8期 35-页

作者：杨明

科技英语中表“气体”含义的名词主要有:air,atmosphere,***,steam,vapour,humidity 和 moisture 等。下面谈谈各个词的用法及其差异。一、air:一般指离地球较近的气体,通常译作“空气”。如:surface air(地面空气),compressed air(压... 详细信息

科技英语中表“气体”含义的名词主要有:air,atmosphere,***,steam,vapour,humidity 和 moisture 等。下面谈谈各个词的用法及其差异。一、air:一般指离地球较近的气体,通常译作“空气”。如:surface air(地面空气),compressed air(压缩空气)和 rarefied air(稀薄空气)等。