On the basis of analyzing the principle of shale membraneefficiency testing, formulae are derived for calculating the membraneefficiency by using pressure transmission technique.
The efficiency of a DMFC is determined by its membrane.
DMFC的性能取决于它的膜。
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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.