The more efficient produce technology of gem-grade diamond is HPHT temperaturedifferencemethod which was created by American ge Corporation.
宝石级金刚石的培育技术比较有效的方法是美国GE公司首创的hpht温差法。
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This article discusses the calculation of heat flux in the evaporator, in order to improve the conventional logarithmic mean temperaturedifferencemethod.
本文讨论表面式蒸发器管路内热流密度计算，以改进传统的对数平均温差法。
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The procedure of synthesis method was that the temperaturedifferencemethod was used to break pollen wall, then the ultrasonic method and the enzyme method.