The effects of remained gas and minute particles of vaporized material on TWTA, and the way to avoid them are discussed.

还论述了残存气体和材料气化微粒对行波管放大器的危害，消除方法。

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A large scale migration and accumulation took place during Later Himalayan movement, as a result a type of called remained gas pools with higher gas columns were formed.

喜山构造运动使研究区天然气重新大规模运移聚集，形成充满度很高的残余气藏。

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The mice’s consumption of oxygen and production of carbon dioxide dropped ten minutes after they began inhaling hydrogen sulphide and remained extremely low as long as the gas was administered.

在吸入硫化氢气体10分钟后，老鼠的耗氧量和二氧化碳排出量出现下降，在硫化氢持续供应下会一直保持这种极低的状态。

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With lower demand, the prices for upstream products such as crude oil and natural gas have remained largely subdued over 2012, leading to lower price realization for Exxon.

FORBES: After Exxon's Ho-Hum Year Can Higher Oil Demand Could Lift Results?

While oil and natural gas consumption has remained steady, production has declined.

FORBES: Here's Why Oil Is So Expensive

Within North America, the rig count has continued to increase over the past few month although oil and gas prices have remained weak.

FORBES: Halliburton Reports Earnings On Monday, Stock On Way To $59