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1)  sub-critical flow
亚临界流;次临界流;亚声速流
2)  subcritical velocity
亚临界流速
3)  sub-critical flow
亚临界绕流
1.
The results indicated that,as Reynolds number increasing in the sub-critical flow, the separated poin*ts and the totaldrag were nearly constant, but the local mean-pressure distributions varied, especially theposition of the minimum local pressure θP min so Pushed forward, that the relationship couldbe shown as:θPmin Re0.
在这些问题中,亚临界绕流时的绕流阻力具有重要的意义。
4)  subcritical open channel flow
摸亚临界流
5)  sub-and supercritical fluid extraction
亚临界-超临界流体萃取
1.
In this study,three types of chinese coal were subjected to sub-and supercritical fluid extraction in catalyzed CO/H_2O system.
本文利用CO/H_2O体系,对我国三种煤进行了亚临界─超临界流体萃取的研究。
6)  critical flow rate
临界流速
1.
The result indicates that critical flow rate at the beginning of sand production declines with the rising of oil viscosity and pH value of fluid; when pH value exceeds 12, sand production increases remarkably.
研究结果表明,开始出砂的临界流速随原油粘度以及流体pH值的升高而下降;当pH值超过12以后,出砂量显著增大。
2.
The results indicate that critical salt concentration and critical flow rate exit on the saltwater-freshwater interface.
试验结果表明,咸淡水界面上存在临界盐浓度值和临界流速值,当入流溶液浓度达到临界盐浓度和流速达到临界流速时,都会产生颗粒释放现象,导致砂柱的渗透率下降,水敏性发生。
3.
The critical flow rate,VT could be estimated from the statistic curves.
从统计曲线上估算了临界流速的大小,当流速超过上述临界值时,管线服役寿命不会超过2年;临界流速从2004年时的4。
补充资料:1-甲酰基流亚甲基亚胺
分子式 C7H13NO 
分子量 99.18  
CAS号 25114-81-2
    N-甲酰六亚甲基亚胺为透明液体,折光率n25D1.4888; n20D1.4903。沸点102~103℃/0.667kpa、127~130℃/3.06kpa。
    用途;N-甲酰六亚甲基亚胺为美西林(Mecillinam) 、倍美西林(Bamecilliam)、匹美西林(Pivmecillinam)和氮眯青霉砜(VD-1825)等中间体。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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