1) backstreaming
托底单向流
3) floor check valve
底板单向阀
4) single Principal-agent
单向委托代理
5) unidirectional flow
单向流
1.
The characteristics of the shear stress and flow field around a pipeline on fixed-bed with different gap-ratios in unidirectional flows
单向流定床床面上水平管道周围流场与切应力分布特性
2.
Presents the determination of overspreading rate, sectional wind velocity and terminal filter efficiency in unidirectional flow clean room design and the calculation and selection of pre-fliter.
介绍了单向流洁净室设计中满布率、断面风速、末端过滤器效率的确定以及预过滤 器的效率计算和选择。
3.
It seriously affects the unidirectivity of the flow in the unidirectional flow clean zone and cleanroom.
风机过滤器机组中的高效和超高效过滤器的面风速有很大的不均匀度和紊流强度 ,对单向流洁净区和洁净室中的气流单向性有很大影响 。
6) single-pass intestinal perfusion
单向灌流
1.
METHODS: The rat single-pass intestinal perfusion technique was applied,and the gravimetry was used to correct the perfusion volume.
方法:采用大鼠在体肠单向灌流吸收实验模型,并应用重量法校正灌流液体积,HPLC法测定灌流液中药物浓度,进行了有无胆汁分泌、不同浓度、不同肠段的在体肠吸收试验。
补充资料：托底
1.垫底。谓衬托在下面。 2.谓有底，有依托。
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