1) negative pressure gradient
负压差
1.
Characteristics of pressure fluctuation in standpipe at negative pressure gradient in circulating fluidized bed;
气固循环流化床负压差下料立管的压力脉动特性
2.
The gas-soli two-phase flows under negative pressure gradient in the standpipes have low frequency pressure fluctuation,which can be described b standard deviation(Sd).
实验结果表明,负压差下料立管内的气固两相流动存在着低频压力脉动,压力脉动的强度可以用动态压力的标准方差(Standard deviation,Sd)来表征,且与立管下料的流动状态密切相关。
3.
The model presented in this paper is conformed by the measurement of the width of the static arching in hopper against negative pressure gradient.
通过实验测量散体颗粒在负压差立管料斗中的静态拱宽度,验证本文模型的正确性,并分析了散体颗粒的无约束屈服强度、料斗形状、操作条件和延时效应对静态拱宽度的影响,提出负压差移动床立管料斗孔口最小直径的理论预测方法。
2) negative pressure
负压差
1.
This paper deduces Under Balance Drilling(UBD) negative pressure discriminates of well bottom in reason from two important guidelines;Rock pressure intention(firmness degree)and draw intention(cementation degree) on basis of mechanics theory.
根据力学理论从岩石抗压强度 (坚固程度 )和岩石抗拉强度 (胶结强度 )两个重要指标 ,推导出适应各种条件的欠平衡钻井合理井底负压差的判别式 ,并进行了现场实例计算 ,证明该判别式对欠平衡钻井现场应用具有一定的参考价值。
3) negative differential sticking
负差压卡钻
4) negative differential expansion of high pressure cylinder
高压缸负胀差
1.
1steam turbine in Dalate Power Plant is detailed,and the way to solve the big negative differential expansion is found through the analysis of big negative differential expansion of high pressure cylinder in this pa-per.
对达拉特电厂1号机组胀差的设计给予详尽说明,并通过对高压缸负胀差大的现象进行分析,找出解决负胀差大的方法,对防止主设备损坏及预防同类机组的事故发生有参考价值。
5) differential load transformer
差接负载变压器
6) color-minus-difference voltage
色负差信号电压
补充资料：负韊
1.亦作"负?"。亦作"负籣"。 2.《史记．魏公子列传》:"赵王及平原君自迎公子于界，平原君负韊矢，为公子先行。"裴骃集解引吕忱曰:"韊盛弩矢。"后以"负韊"指背负革制的箭筒。
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