Pre-regulator

Prom the point of view of error correction, reflector dynamic error correction is discussed and calculated by applying the techniques of the best-fitting surface and rigging adjusted.

建立了40 m口径射电望远镜天线结构有限元模型,依据模型分析结果,对40 m口径射电望远镜天线主面误差进行了分析和数值计算;从误差修正的角度,分别对主面误差的最佳拟合修正、安装角预调的工作仰角综合修正进行了分析与数值计算。

This paper introduces installation and calculative adjust method of console model multi_rope friction hoist's head sheave and quality test.

介绍落地式多绳摩擦提升机天轮安装预调整和质量检验方

Ischemia preconditioning or drug infusion mimicking ischemia preconditioning was first carried out for 5min, then reperfusion for 10min, regional ischemia again for 30min, and subsequently reperfusion for 3h.

目的研究联合应用去甲肾上腺素和腺苷模拟缺血预调的心肌保护效果。