1) critical pressure differential
临界压差
1.
The analysis of critical pressure differential of one gas fie.
通过气藏孔隙压力和岩石骨架应力分布规律分析,以Bratli孔穴稳定准则为出砂判据,建立了固结砂岩储层气井裸眼完井出砂临界压差的确定准则,并利用该准则对南海某气田出砂临界压差进行了分析评价,为最大限度地提高气井产量,减少气井出砂对管壁冲蚀提出了可靠依据。
2) critical pressure differences
临界压力差
1.
Various temperatures and pressure differences through simulated test of determination HDPE bottle's deform during two sterilization processes were tested and the critical pressure differences between the inside of a HDPE bottle and its aluminum foil seal were gained.
在此基础上测试得到了 HDPE瓶及其铝箔封口的临界压力差。
2.
The paper establishes dualitic regression equation among HDPE bottle's deform degree, various temperatures and pressure differences through simulated test of determinating HDPE bottle's deform degree during two sterilization processes;and gains the critical pressure differences between the inside of a HDPE bottle and its aluminium foil seal.
在此基础上测试得到了ＨＤＰＥ瓶及其铝箔封口的临界压力差。
3) critical pressure differential ratio
临界压差比
4) critical voltage difference
临界电压差
5) critical quenching pressure difference
临界淬熄压差
1.
Two new important concepts, critical quenching value and critical quenching pressure difference are proposed.
提出了临界淬熄压差和临界淬熄量两个新的重要概念,综合考虑火焰传播速度和压力差来描述抑爆效果。
6) critical production pressure difference
临界生产压差
1.
To gas well testing and exploiting,it is of important significance that the critical production pressure difference of gas formation sand production is precisely predicted,which is taken as the one of important factors of gas well allocation.
准确预测气层出砂的临界生产压差,以此作为气井配产的重要依据之一,对气井测试及开采具有重要的现实意义。
补充资料：临界温度差
分子式：
CAS号：
性质：在沸腾传热过程的泡核沸腾阶段中，热流强度(heat flux，即每单位传热面积的传热量)随温度差(即壁温与沸腾温度之差)的增大而增加。但当热流强度增加到某一最高值时，由于液体大量汽化而在壁上形成部分汽膜(即达到部分膜状沸腾阶段)，反而降低了热流强度。故相当于最高热流强度时的温度差称为临界温度差。沸腾水的临界温度差约为25℃，沸腾丙醇约为45℃等。
CAS号：
性质：在沸腾传热过程的泡核沸腾阶段中，热流强度(heat flux，即每单位传热面积的传热量)随温度差(即壁温与沸腾温度之差)的增大而增加。但当热流强度增加到某一最高值时，由于液体大量汽化而在壁上形成部分汽膜(即达到部分膜状沸腾阶段)，反而降低了热流强度。故相当于最高热流强度时的温度差称为临界温度差。沸腾水的临界温度差约为25℃，沸腾丙醇约为45℃等。
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参考词条