1)  Vacuum Degassing
Vacuum Degassing（VD）
2)  vacuum casting
vacuum casting
3)  vacuum ultraviolet emission
vacuum ultraviolet emission
4)  vacuum-induced coherence
vacuum-induced coherence
1.
Effect of vacuum-induced coherence in a four-level atomic system via quantum interference;
基于量子干涉效应的四能级原子系统中的vacuum-induced coherence效应
5)  VA
VA
1.
The influences of methyl acetate and ethyl acetate content in VA to the fiber degree of yellowness;
VA中乙酸甲酯和乙酸乙酯含量对纤维黄度的影响
2.
Effects of cool temperature and different VA levels on anti-oxidative ability and incretion activity in egg-type ducklings in cages;
低温和VA对笼养蛋雏鸭抗氧化能力及内分泌的影响
3.
VA microcapsules were prepared by spray drying.
应用喷雾干燥技术制备VA微胶囊,采用旋转中心组合设计,以微胶囊化效率、产率和保留率为评价微胶囊品质的指标,建立模糊综合评价体系,计算出模糊综合评价值,以模糊综合评价值为目标函数,利用SAS8。
6)  Vitamin A
VA
1.
This is a method for determination of Vitamin A in goose fat liver and goose liver catsup by HPLC.
研究了运用高效液相法检测鹅肥肝和鹅肝酱中VA的方法。
2.
In this research, microcapsules were spray-dried, gelatin+sucrose, gelatin+peach gum +sucrose, and peach gum +sucrose were used as wall material and vitamin A was used as the model core respectively.
用明胶+蔗糖、明胶+桃胶+蔗糖、桃胶+蔗糖作为壁材,VA作模型心材,用喷雾干燥法制备微胶囊;研究了微胶囊表观结构、粒径分布、红外光谱、玻璃化转变温度(Tg)和常温贮藏的保留率。
3.
Vitamin A levels in the diets of four treatments were 6 375,8 500,10 625 and 12 750 IU/kg respectively,while vitamin E levels were 37.
本文旨在研究日粮中添加不同水平维生素A(VA)、维生素E(VE)对肉鸡抗氧化和免疫性能的影响。
参考词条
补充资料：pressure control of vacuum distillation column
分子式：
CAS号：

性质：减压精馏塔压力控制通过一定控制手段使精馏塔塔压保持某一低于大气压的压力范围(或称具有一定真空度)。减压精馏塔的真空度通常由蒸汽喷射泵或电动真空泵来维持。使用蒸汽喷射泵时，在泵入口管线上吸入一部分空气或惰性气体来控制真空度；使用电动真空泵时，通常把调节阀安装在真空泵的旁路上；被调量均为塔内真空度。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。