Hydrogen is used extensively in industry for the production of ammonia.
氢气大量地在工业中被用于氨的生产。
They tightened bolts and made connections so ammonia could flow into the module.
他们拧紧螺栓并进行连接,这样氨就可以流入到舱内。
Then some astronomers came up with the idea that atmospheric ammonia might have acted as a greenhouse gas.
后来一些天文学家提出,大气中的氨可能起到温室气体的作用。
Insects produce less ammonia than pig and poultry farming, ten times less methane than livestock, and 300 times less nitrous oxide.
昆虫产生的氨比猪和家禽少,它们产生的甲烷比家畜少十倍,而产生的一氧化二氮比家畜少三百倍。
Therefore some scientists postulate that the Earth's earliest atmosphere, unlike that of today, was dominated by hydrogen, methane, and ammonia.
因此,一些科学家推断,地球早期的大气与现在的不一样,主要由氢、甲烷和氨构成。
Urea naturally breaks down into ammonia in the water.
尿素在水中会水解成氨。
Almost 7 tons of ammonia emissions, a major air pollutant.
差不多7吨的氨气排放,而氨气是一种主要的空气污染物。
But why water and not, say, hydrogen peroxide or even ammonia?
可是,为什么是水,而不是双氧水或是氨水呢?
Most conventional fertilizers rely on ammonia made from natural gas.
大多数人造肥料中的氨来源于天然气。
TrES-2b has no ammonia clouds to reflect light because it is extremely hot.
而酷热的TrES-2b上缺少能反射光线的氨云层。
Typically, going blonde requires higher levels of ammonia or bleaching products.
作为特色,烫染金发需要较高浓度的氨水或者漂白产品。
Life generates methane, ammonia, oxygen, hydrogen, carbon dioxide, and many other gases.
生命生产出甲烷、氨气、氧气、氢气、二氧化碳以及其他气体。
It creates an enzyme called vanadium nitrogenase, which produces ammonia from nitrogen.
这些作物都能产生一种名为钒固氮(vanadium nitrogenase)的酶,它具有把氮转变成氨的能力。
If you've inhaled something (bleach or ammonia are common culprits), get away from the toxic area.
如果你吸进去一些东西(漂白剂、氨水是最常见的罪魁祸首),迅速远离有毒物质所在区域。
"I think the next thing they have to do is find the bacterial sensor for ammonia, " Sperandio adds.
“我认为下一阶段他们所需做的事情就是找出细菌对于氨作出回应的传感器,”Sperandio又说道。
The major components of PM are sulfate, nitrates, ammonia, sodium chloride, carbon, mineral dust and water.
它的主要组成成分是硫酸盐、硝酸盐、氨、氯化钠、碳、矿物粉尘和水。
Besides water, the plume also contained carbon monoxide, carbon dioxide, ammonia, sodium, mercury and silver.
除了水,羽状物中还包含一氧化碳,二氧化碳,氨,钠,水银和银。
Jupiter From Hubble NASA scientists think Jupiter's missing southern belt is hiding out behind ammonia clouds.
根据哈勃望远镜,美国宇航局的科学家认为失踪的木星南赤道带是躲藏在木星氨云的后面。
And I'm going to ask, after I reach equilibrium, what is the partial pressure of nitrogen hydrogen and ammonia?
我想问,当达到平衡后,氮气,氢气和氨气的分压,分别是多少?
The most alkaline environments in the world are soda lakes, which can have a pH as high as 12, akin to ammonia.
世界上碱性最强的环境是碱湖,其pH值可高达12,和氨水相当。
As a chemical it's also used in insecticides, water purification, sewage treatment and the production of ammonia.
作为一种化学原料,它也被用于制造杀虫剂、提纯水、净化污水和制氨。
One of these comes from making fertilisers, using the Haber-Bosch process which converts nitrogen gas into ammonia.
其中一种是通过将氮气转换成氨气的Haber -Bosch工序来制造肥料。
Noting this, the experimenters deduced that ammonia was the airborne molecule to which the bacteria were responding.
正是注意到这点,研究人员推测细菌可能是对氨这种气体分子产生了回应。
Flight controllers tried to restart the disabled ammonia pump early on Sunday but the circuit breaker tripped again.
飞行控制系统试图在周日前使不能工作的氨气泵重新工作,不过断路器跳闸了。
Trouble arose on Saturday night when one of the two ammonia-fed cooling loops shut down, triggering alarms throughout the ISS
故障是在周六的晚上发生的,两个氨冷却循环中的一个停止了工作并拉响了国际空间站的警报。
The ammonia circulates through a condenser and then an evaporator, where it provides the cooling, before being reabsorbed by the water.
氨经冷凝器后流入蒸发器,在这里它在被水再次吸收之前提供制冷效果。
He found that producing p-type gallium nitride, which made use of ammonia at high temperatures, trapped hydrogen atoms inside the crystal.
他发现在生成p型氮化镓的时候需要利用高温氨,以致于把氢原子引入了晶体之中。
Due to the discovery of a technique to mass-produce ammonia, called the Haber process, an estimated two billion people are not starving today.
由于一种被称作哈伯制氨法的可以大规模制造氨的技术被发现,让世界上二十亿人口不再每天挨饿。
Heterotrophic bacteria eat most of the carbon-based materials in raw sewage while autotrophic bacteria consume ammonia and nitrogen compounds.
异养细菌可以吃掉未处理污水当中的大部分碳基物质;而自养细菌则会消耗掉氨氮化合物。
Heterotrophic bacteria eat most of the carbon-based materials in raw sewage while autotrophic bacteria consume ammonia and nitrogen compounds.
异养细菌可以吃掉未处理污水当中的大部分碳基物质;而自养细菌则会消耗掉氨氮化合物。
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