A procedure can convert underground volume to surface liquid yield by computing volume coefficient of the mixture under discharge pressure is proposed. The effectiveness is verified by the data measured on oil well.
本文提出了通过计算排出压力条件下混合物的体积系数,折算地面产液量的方法,并有效验证。
参考来源 - 用示功图计算抽油机井井口产液量方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
One property associated with the glassy state is a low volume coefficient of expansion.
玻璃态的特征之一是体积膨胀系数较低。
The research indicated that dispersal coefficient and compressive strength of the composites increase with the volume fraction.
研究表明，随着钢纤维的体积分数增大，复合材料的分散系数和抗压强度增加。
The properties of coatings. e. g. tensile strength, expansion coefficient, wear volume under given conditions and porosity, etc. were tested.
测定了涂层抗拉强度、膨胀系数、一定条件下的磨损体积、气孔率等性能。
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