氘是普氢较重的、稳定同位素。
Deuterium is a heavier and stable isotope of ordinary hydrogen.
ReactionEnginesLtd的未来计划总监马克·汉普塞尔向CNN透露，天龙的引擎在开始时将氢与空气混合燃烧，然后会像航天飞机一样，将氢与液氧混合燃烧。
Mark Hempsell, future programs director at Reaction Engines Ltd, told CNN: 'The engine starts by burning hydrogen with air and finishes up burning hydrogen with liquid oxygen like a shuttle engine.'
泽·普赖姆闷闷不乐地开始收集星际空间的氢，用来造一颗自己的小恒星。
Unhappily, Zee Prime began collecting interstellar hydrogen out of which to build a small star of his own.
目的观察苯那普利联合小剂量氢氯噻嗪治疗原发性轻中度高血压的疗效。
Objective To observe the effect of Benazapril in combination with low dose of Hydrochlorothiazide on essential hypertension.
目的：采用双波长hplc法测定复方马来酸依娜普利片中马来酸依娜普利与氢氯噻嗪两组分的含量。
OBJECTIVE The double wavelength HPLC for determination of enalapril maleate and hydrochlorothiazide in compound enalapril maleate tablets was established.
研究了以普钙和硫酸钾为原料制备磷酸二氢钾的工艺条件。
Potassium dihydrogen phosphate was prepared by the reaction of ordinary superphosphate with potassium sulfate, and effecting factors were investigated.
介绍大型氨厂普里森氢回收装置投运前后存在的问题及对策；
The Paper bears on the problems appearing before and after the Prism hydrogen recovery set of large ammonia plant was put into operation and deals with the solving measures.
介绍大型氨厂普里森氢回收装置投运前后存在的问题及对策；
The Paper bears on the problems appearing before and after the Prism hydrogen recovery set of large ammonia plant was put into operation and deals with the solving measures.
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