HPHT gradient temperature method is an effective technique to grow gem diamonds.

高压温度梯度法是一种有效的合成宝石级金刚石单晶的方法。

youdao

Large synthetic diamond was grown by temperature gradient method (TGM) under HPHT.

用高温高压温度梯度法作为实验手段来生长优质宝石级金刚石单晶。

youdao

The results in this paper can be practically used for pipe string design and operational parameter selection for HPHT deep well down hole operations.

本文研究的结果对于高温、高压深井井下作业管柱的合理设计和作业参数的合理选择等具有较大的实用价值。

youdao