Objective: To observe the influence of Liuwei Di-huang Wan ( LDW) on the changes of endothelin ( ET), inter-leukin-8 ( IL-8) and creatinine ( Cr) levels in chronic renal ure ( CRF).
目的:观察六味地黄丸治疗慢性肾功能衰竭对内皮素(ET)、白介素-8(IL-8)及肌酐(Cr)的影响。
basing on the four-axis ldw equipment manufactured by changchun institute of optics and fine mechanics and physics, chinese academy of science, the paper analyses y-axis transmission system of this equipment systematically, it can provide some consult for designing and detecting high-precision transmission system.
本文基于中科院长春光机所研制的四轴激光直写设备开展了对其Y轴传动系统的分析研究,可以为相关高精度传动系统的设计和检测提供重要的依据。
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