pure water preparation room 纯水制备室
Electrodeionization equipment for pure-water preparation 电去离子纯水制备装置
pure water preparation technology 纯水制备工艺
pure chinese drug preparation 纯中药制剂
pure chinese herbal preparation 纯中药制剂
preparation of pure water 纯水制备
preparation of pure tungstenbar 纯钨条制取
A fairly pure preparation can be obtained through two runs of low-speed centrifugation and a single run of high-speed centrifugation in sucrose gradient.
主要是经过两次低速离心，一次蔗糖梯度超速离心，即可得到一定纯度的细胞膜。
The preparation of pure pyridinium dichromate is described.
三氧化铬与吡啶反应制备吡啶重铬酸盐。
The antiosmosis equipments has been extensively used in industrial pure water preparation, compared with traditional technology. it has obvious economic benefit and social benefit.
反渗透装置在工业纯水制备中被广泛应用，它与传统的制水工艺相比具有显著的经济效益和社会效益。
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