At present , the most economically promising technique appears to be depressurization .

目前，比较有希望的经济开采方式是离解。

Development of a simulation model and safety evaluation for a depressurization accident without reactor scram in an advanced htgr .

无反应堆事故停堆下先进高温气冷堆压降事故的安全评价和模拟模型的开发。

Wang zhaoyao , deputy director of manned space flight , conceded that the combined effects of weightlessness and depressurization on the hatch opening operation hadn 't been fully anticipated .

中国载人航天工程办公室副主任王兆耀承认，失重和降压等因素对打开舱门的影响之前没有充分地预料到。

An experimental study of effective depressurization actions for pwr vessel bottom small break loca with hpi failure and gas inflow .

压水堆容器底部具有hpi故障和气体流入小破口失水事故有效压降行动实验研究。

" No , " bouillard said . " We are sure that there is no depressurization in flight , because all the masks were still in the box . "

“对，”波利亚德答道，“我们还确认飞机舱内没有失压现象，因为所有的氧气面罩都没有被动过。”