氢与氧化合成水。
氢与氧化合成水。
水是含有氢元素和氧元素的化合物。
Water is a compound containing the elements of hydrogen and oxygen.
面包含有碳水化合物，这是一种由碳、氢和氧组成的化学物质。
Bread contains carbohydrates, which are chemicals made up of carbon, hydrogen, and oxygen.
水由氢与氧化合而成。
水是含有氢元素和氧元素的化合物。
Water is a compound containing the elements hydrogen and oxygen.
美国、墨西哥、加拿大与其他一连串国家，已表示支持根据《蒙特利尔协定书》来处理氢氟碳化合物的想法。
America, Mexico, Canada and a bunch of other countries have indicated that they support the idea of dealing with HFCs under the Montreal protocol.
从生化角度讲，碳水化合物是一个含有碳，氢，氧元素的简单化合物。
On a biochemical level, a Carbohydrate is a simple fusion of carbon, hydrogen and oxygen molecules.
燃料电池让氢与空气通过催化合成反应产生电力，唯一的副产物仅是热量和水。
Fuel cells combine hydrogen and air to produce electricity by running them through a chemical catalyst. The only byproducts are heat and water.
在我们的星球上，哺育生命的都是些非常普通的元素。首先是烃，组成生命最基本的化合物之一，它仅仅由碳和氢两种化学元素组成。
The elements that give rise to life are hardly unique to our planet.Hydrocarbons, the basic molecules from which known life is built, are made of nothing but hydrogen and carbon.
太阳能和生物创造了存储在化石燃料中的氢碳化合物，长时间以来我们一直在使用着它们。
Solar energy and biology created the stored hydrocarbons in the fossil fuels we have used for so long.
在坎昆的代表们只需让蒙特利尔议定书对管制氢氟碳化合物有进一步的权威性。
The delegates in cancun would need only to ask that the Montreal Protocol take on the further authority to regulate HFCs.
任何一种简单醇类都是有大量的碳分子和氢分子(如同碳氢化合物，譬如汽油)以及单个氧原子组成。
Any simple alcohol is composed of a number of carbon and hydrogen atoms (like a hydrocarbon such as petrol) together with a single oxygen atom.
其中最短命的氢氟碳化合物，被发明取代氯氟烃，制冷剂可以稀释高层空气中的臭氧层，同时也是主要的升温剂。
The most troubling of the short-lived HFCs were invented to replace chlorofluorocarbons, refrigerants that were thinning the ozone layer in the upper atmosphere, and were also a major warming agent.
水是化合物它可被分解成氢和氧这两种成分。
Water is a compound because it can be split into its components, hydrogen and oxygen.
如果我们能将从大气分离出的CO2与氢(通过电解水得到)结合在一起，就能制造出人工合成的碳氢化合物燃料。
If the co 2 extracted from the atmosphere were combined with hydrogen (extracted from water using electrolysis), it could make synthetic hydrocarbon fuels.
的Email写道，化合物一氧化二氢是“无色，无味的”但是因为人们的“意外吸入”，它“每年导致成千上万的人死亡”。
The chemical compound DHMO is "colorless, odorless, and kills thousands of people every year" through "accidental inhalation, " reads a widely circulated e-mail, calling for a ban.
这些氢氟碳化合物的升温效应至少是二氧化碳的1000倍。
The warming effect of these HFCs is at least 1,000 times that of carbon dioxide.
2010年5月，两组科学家都宣布，NASA的卡西尼号轨道飞行器探测发现，泰坦为氢和乙炔的化合提供了一处不同寻常的港湾。
In May 2010, two teams of scientists announced that NASA's Cassini orbiter showed Titan is harboring an unusual chemical dance party with hydrogen and acetylene.
它也可以与氢结合起来，形成碳氢化合物，这是我们所谓的矿物燃料。
It can also combine with hydrogen to form hydrocarbons, which are what we call fossil fuels.
燃料电池是将化学能直接转化为电能的电化学装置，它以氢、天然气及碳氢化合物为燃料，从而产生电能。
A fuel cell is a device that can convert chemical energy to electricity. It generates electricity from fuel such as hydrogen, natural gas and other hydrocarbons.
天王星大气的组成，是83%的氢，15%的氦和2%的甲烷等碳氢化合物虽然已发现的痕迹。
Uranian atmosphere, by composition, is 83% hydrogen, 15% helium and 2% methane although traces of other hydrocarbons have been found.
聚苯乙烯泡沫塑料是一种加工塑料，主要由被称作苯基团的碳环和氢环构成，苯基团连接到能降解成更小苯乙烯单元的长链碳氢化合物上。
Polystyrene foam is a manufactured plastic primarily made up of rings of carbon and hydrogen, called phenyl groups, attached to long hydrocarbon chains that can break into smaller styrene units.
水是氢和氧的化合物。
环合反应的条件缓和，产品收率和纯度高，在四氢咔唑类化合物的化学制备中具有重要参考价值。
The conditions of reaction of cyclization were moderate, the purity and yield of the product was higher.
氢与氧化合。
氢与氧化合。
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