...--井壁稳定的力化耦合模型研究 关键词 ： 膜效率;孔隙压力;力化耦合模型;泥页岩 [gap=686]Keywords : membrane efficiency； pore pressure； model coupled mechanics and chemistry； shale formation ..
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On the basis of analyzing the principle of shale membrane efficiency testing, formulae are derived for calculating the membrane efficiency by using pressure transmission technique.
在对泥页岩膜效率测试原理分析的基础上，推导了通过压力传递技术测定泥页岩膜效率的计算公式，并研制了泥页岩膜效率测试装置。
The efficiency of a DMFC is determined by its membrane.
DMFC的性能取决于它的膜。
They include advanced, membrane-filtered wastewater treatment systems, solar-powered, high-efficiency lighting and natural gas combined-cycle turbines that will deliver power, heating and cooling.
它们包括先进的薄膜过滤污水处理系统、高效的太阳能照明，以及用于供电、供热和制冷的天然气联合循环涡轮机。
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