The oxygen in Earth's atmosphere is produced and maintained by biological processes.
藻类的过度生长也减少了水中的溶解氧。
The algae overgrowths also reduced dissolved oxygen in the water.
燃烧物(通常为空气中的氧);
Oxidant(usually oxygen in the air).
冷阱中的凝结氧可以与陷阱中的有机物结合,从而产生爆炸性混合物2.
Condensed oxygen in a cold trap may combine with organic material in the trap to create an explosive mixture2.
当恒星中的氧和碳结晶时,它们会释放热量,导致恒星冷却停滞大约20亿年。
As the oxygen and carbon in the star crystallize, they release heat, causing the star to stall its cooling for roughly 2 billion years.
排气系统中的氧传感器可确保为催化剂提供足够的氧,并可在需要时进行调节。
An oxygen sensor in the exhaust stream makes sure there is enough oxygen available for the catalyst to work and adjusts things if necessary.
在气氛中的氧结合随着放射性大气二氧化碳得到的14c被用作由植物在光合作用过程。
The oxygen in the atmosphere combines with the 14C resulting in radioactive atmospheric carbon dioxide that is used by plants during the photosynthesis process.
存在于大气中的氧,是这个压力的一部分,每平方英吋大约有三磅。
The oxygen which exists in the atmosphere is a part of this pressure being about three pounds per square inch.
(1)溶解氧水中的溶解氧是参加阴极过程的氧化剂,因此它一般促进腐蚀。
(1) Dissolved Oxygen Dissolved oxygen in water is an oxidant that participates in the cathode process, so it generally promotes corrosion.
而一旦巨行星形成,其大气中的氧预计将大部分形成水分子。
Once a giant planet forms, its atmospheric oxygen is expected to be largely in the form of water.
而一旦巨行星形成,其大气中的氧预计将大部分形成水分子。
Once the giant planet forms, its atmospheric oxygen is expected to be largely encompassed within water molecules.
同时,曝气增加了水中的溶解氧,为后续处理提供了有利条件。
In addition, dissolved oxygen in water is increased, providing favorable conditions for subsequent processing.
不过,长石中的氧以矿物或玻璃的形式结合在氧化物中,因此无法立即使用。
But this oxygen is bound up chemically as oxides in the form of minerals or glass, so is unavailable for immediate use.
爆炸性细菌群体消耗水中的溶解氧,而没有其他生命。
The exploding bacteria population uses up dissolved oxygen in the water, leaving none for other life.
存在于你肺和血液中的氧,是一种由植物和微生物产生的经过高度回收利用的废物。
The oxygen in your lungs and bloodstream is a highly reactive waste product generated by vegetation and microbes.
供水过程中的溶解氧、CO2、硫酸盐、氯化物、残留消毒剂也对管道的腐蚀有一定影响。
Dissolved oxygen, CO2, sulphate, chloride, and residual disinfectant during the water supply process also have an effect on the corrosion of the pipeline.
但这种形式的生物降解也会消耗氧气,而氧气来自于水道中的溶解氧。
But this form of biodegradation also consumes oxygen, which comes from dissolved oxygen in the waterway.
科学家帕梅拉·马库姆表示,火星大气中的原子氧非常难以测量。
Pamela Marcum SOFIA project scientist said that atomic oxygen in the Martian atmosphere is notoriously difficult to measure.
English
Bahasa indonesia
日本語
عربى
Български
বাংলা
Český
Dansk
Deutsch
Ελληνικά
Español
Suomi
Français
עִברִית
हिंदी
Hrvatski
Magyar
Italiano
Қазақ
한국어
മലയാളം
मराठी
Bahasa malay
Nederlands
Norsk
Polski
Português
Română
Русский
Slovenský
Slovenski
Српски
Svenska
தமிழ்
తెలుగు
ไทย
Tagalog
Turkce
Українська
اردو
Tiếng việt