1) vacuum extraction for corrosion prevention
抽真空防腐
2) vacuum etching
真空腐蚀
3) vacuum filtration
真空抽滤
1.
Efficiency of vacuum filtration process was determined by slu.
对某城市6座污水处理厂污泥做真空抽滤浓缩,并对污泥特性进行了研究。
2.
Oil removing efficiencies of vacuum filtration and combustion method are 68.
为了研究膨胀石墨的吸附性能及其再生处理方法对吸附性能的影响,考察了不同黏度的油类等吸附质的吸附量及吸附剂的膨胀容积对吸附量的影响;分别尝试了吸附油后膨胀石墨的真空抽滤、燃烧对油的脱除效率,在连续吸附中测定了膨胀石墨的4次再生效率。
4) vacuumizing
抽真空
1.
Mature koji with high quality was prepared by mixing materials with different ratio,and vacuumizing koji before fermentation was developed by which koji mixed with salty water easily,so deleterious bacteria could be restrained because of high concentration of salty water even when fermentation was developed at higher temperature.
发酵前采用抽真空法使成曲与盐水充分混匀,发酵时高浓度盐水抑制细菌生长,从而可以提高发酵温度,缩短发酵周期,在酱醅发酵过程中,试验组的氨基氮含量比对照组要高30%~100%。
2.
This paper introduced the drawbacks in the traditional methods for vacuumizing and oiling the capsule type oil-conservator transformer.
介绍了胶囊式储油柜变压器抽真空及注油方法,分析了该方法存在的不足,并对其进行改进。
5) vacuum pumping
抽真空
1.
8 K superfluid helium fitting for the system were put forward, including direct throttling, throttling process accompanied with pre-cooling, vacuum pumping and vacuum-pumping accompained with throttling process.
8K的超流氦提出了直接节流、预冷与节流相结合、抽真空以及抽真空与节流过程相结合的4种方案。
6) evacuation
[英][i,vækju'eiʃən] [美][ɪ,vækjʊ'eʃən]
抽真空
1.
The application of liquid ejector in evacuation System of atmospheric-vacuum Distillation Unit in SINOPEC Tahe Company is described.
介绍了液体喷射器在塔河分公司常减压蒸馏装置减压塔抽真空系统的应用情况,对国内目前常用的蒸汽抽真空和液体抽真空技术进行了比较,重点阐述了液体抽真空技术在平稳生产和减少废水排放方面的优点。
补充资料：真空抽吸
分子式：
CAS号：
性质：一种输送液体的方法。是在输液系统中，将其中一个容器密闭，抽真空后，开启该容器与另一装有被送液的容器联通的阀门，被送液体即被抽吸到该容器中，完成输送液体。
CAS号：
性质：一种输送液体的方法。是在输液系统中，将其中一个容器密闭，抽真空后，开启该容器与另一装有被送液的容器联通的阀门，被送液体即被抽吸到该容器中，完成输送液体。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条