由于资金和能源方面的高代价，限制应用了海水淡化装置来为灾区提供洁净的饮用水。
High costs, in money and energy, limit the usefulness of desalination as a way to provide drinkable water in disaster areas.
介绍了一种以nhd液体为吸收剂的新型汽车尾气机外净化装置的工作原理和设计过程。
The paper introduces systematically a design process about a new-type automobile tail gas outer purifier that its absorbent is the NHD liquid.
为加氢裂化装置所使用的精制催化剂和反应催化剂的性能、脱硫效果以及催化剂使用寿命的判断提供了依据。
This provides a good basis for assessing the performance and desulfurization result of the refining catalyst and cracking catalyst of the hydrocracker as well as the service life of the catalysts.
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