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- Separation gel vacuum tube 分离胶真空采血管
- Inert separation gel vacuum collective tube 惰性分离胶管
- Effect of Blood Sample Preservation in Inert Separation Gel Vacuum Collective Tube on Blood Sugar Concentration 惰性分离胶管采集保存样品对血糖结果的影响
- Diangong Heat tube Vacuum tube heat collector. 电工太阳能热管真空管集热器.
- Diangong Solar vacuum tube heat collector. 电工太阳能真空管集热器.
- Not any air gets into the vacuum tube. 没有空气能进入真空管。
- John Ambrose Fleming invents the vacuum tube. 1904年的今天,约翰·安布鲁斯·弗莱明发明了真空管。
- An electron tube or a vacuum tube. 电子管或真空管。
- Lee de Forest invents the vacuum tube. 李.;德福雷斯特发明电子管。
- A specific vacuum tube which converts light into electrical energy. 把光转换成电能的一种真空管。
- Objective:To study the preparation ofblood separating gel. 目的:对血液分离胶的制备进行研究。
- Heat resistance soft vacuum tube avoids damage by hot nozzle. 防热真空软管,免被热吸咀误损。
- Battery used to maintain the grid potential in a vacuum tube. 能够保持潜藏在真空管内的栅格的电池。
- Vacuum tubes require DC voltage sources as well. 真空电子管也要求以直流电压为电源。
- Vacuum tube amplifiers used the first time in coast-to-coast telco circuits. 真空管放大器首次用于大西洋岸至太平洋岸的电信电路中。
- The ancestor of these miniature electronic devices is the vacuum tube. 这些微型电子装置的鼻祖就是真空管。
- Using low concentration polymer and crosslinked impregnant make it form low viscosity glue state separating gel,simply intitule CDG. 采用低浓度的聚合物和交联剂,使之形成粘度很低的胶态分散凝胶,简称为CDG。
- Or to reduce cost, add bassoon span of purpose, reduce vacuum tube amount. 或者为了降低成本,有意增大管间距,减少真空管数量。
- When the gel has polymerized, a distinct interface will appear between the separating gel and the water. 当凝胶聚合后,在分离胶和水层之间将会出现一个清晰的界面。
- All glass vacuum tubes are the key component of solar collectors. 全玻璃真空管是太阳能集热器中的关键部分。