全球超过四分之一的石油和近五分之一的天然气来自近海，尽管近海钻探的成本是陆地钻探的六到七倍。
More than one-quarter of the world's oil and almost one-fifth of the world's natural gas come from offshore, even though offshore drilling is six to seven times more expensive than drilling on land.
可再生能源只占全球主要能源消耗的一小部分，化石能源仍然占主导地位——煤炭和石油各占30%，天然气占25%。
Renewables account for only a small share of global primary energy consumption, which is still dominated by fossil fuels—30% each for coal and oil, 25% for natural gas.
天然气汽车部件十分繁杂，需要经常保养。
Gas cars literally have hundreds of parts, often requiring frequent maintenance (保养).
第一部分描述了通过非对映选择性炔丙基化合成天然产物。
The first part describes the syntheses of natural products by means of diastereoselective propargylation.
这个产品都是百分百全天然的，并被证明对男女脱发患者都能达到减少脱发和促进头发再生的作用。
These products are all-natural and have been scientifically proven to reduce hair loss and stimulate hair growth in both men and women.
美国地质调查局估计，北极拥有五分之一全世界未被发现的，可开采的石油和天然气。
The Arctic holds one-fifth of the world’s undiscovered, recoverable oil and natural gas, the United States Geological Survey estimates.
而天然气在消耗量中占了近4%，比世界平均水平低了五分之一左右。
While natural gas, accounts for nearly 4 percent of consumption, around a fifth lower than the world's average.
在把糖转换为电能的效率方面，天然电鳗电池为百分之十四，而他们设计的电池为百分之十九。
Natural electric eel cells are about 14 percent efficient at converting sugar into electricity, compared to 19 percent for the engineered cells.
人们不禁好奇，这位大美女永葆美丽的秘密，而或是否又通过了医疗美容的手段来留住青春。 不过安吉丽娜表示，自己的每一部分都是“纯天然”的，并且她将一直保持下去。
Every bit of Angelina Jolie is all-natural, she says, and she plans to keep it that way.
欧洲四分之一的天然气来自俄罗斯，其中80%天然气径由乌克兰。
Europe gets a quarter of its gas from Russia and 80% of this passes through Ukraine.
俄国，加拿大，丹麦，挪威以及美国都对这个资源丰富的地区提出领土要求。一些人认为北冰洋的石油和天然气储量可能占全球总量的四分之一。
Russia, Canada, Denmark, Norway and the United States have all made claims in the resource-rich region, which some believe could hold up to a quarter of the world's oil and gas reserves.
矿产公司从石油和天然气资源获得利润占其总利润利润的五分之一。
The mining company earns a fifth of its profit from oil and gas resources.
保证自身穿着材料安全，超过一天三分之一的睡眠时间内穿着天然材料制成的睡衣，并且使用有机棉制造的床上用品。
Make certain your body is wrapped in safe, natural material for at least a third of the day by purchasing pajamas and bedding made from organic cotton.
许多石油公司已经这样做了，将二氧化碳变成天然气的一部分。
Some oil firms do this already to carbon dioxide that forms part of raw natural gas.
他们签署了一系列“照付不议”的合同，必须以大大高于现货市场的价格购买固定数量的天然气，而很大一部分根本就卖不出去。
They were saddled with "take or pay" contracts that obliged them to buy fixed quantities of gas far above what they could sell and at prices way above those on the spot market.
换句话说，大气目前的承受量，仅能允许我们燃烧或排放已知储量四分之一的石油、天然气和煤。
In other words, there is only room in the atmosphere to burn or vent less than one quarter of known oil, natural gas and coal reserves.
劳埃德银行也热衷于放贷给风能以及其他低碳技术项目，但它指出，英国不好好利用现有的北海产地进行石油及天然气的合理开采十分浪费。
The bank is a keen lender to wind and other low-carbon technology projects but argues that it is wasteful for Britain not to squeeze out all the oil and gas it can from existing North Sea fields.
业内人士称，该现象部分是由于近日暴雪导致各地天然气需求剧增，另一部分原因是国家缺乏相应的天然气储备机制。
Industry insiders say increased demand due to recent blizzards was partly to blame for the shortages. The country's poor natural gas reserves also are part of the cause.
换一种表达方式：人类只可以燃烧和释放已知石油、天然气和煤储量的四分之一。
Put another way: humanity can only afford to burn and vent less than one quarter of known oil, natural gas and coal reserves.
几乎所有地球上的氦早已风吹走了在这个星球上可利用的只有一小部分——它的大部分可以在北美的天然气田找到。
Almost all Earth's helium has long since blown away and only small amounts are available on the planet — much of it can be found in the gas mines of North America.
分析师们表示，假设有10家日本工厂继续关闭，明年该国天然气的消费量就可能增长七分之一左右。
Analysts say that, assuming 10 Japanese plants remain shut, the country's gas consumption could rise by about a seventh next year.
今年五月，卡塔尔在威尔士海岸的南湖克建立了最大的欧洲液化天然气接收站，为英国供应其五分之一的天然气需求。
In May this year Qatargas opened the largest European LNG import terminal at South Hook on the Welsh coast, supplying a fifth of Britain's gas needs.
现在，随着天然气价格骤降到大约其去年高峰期时价格的三分之一，非传统天然气资产更加便宜。
Now, with the price of gas at roughly a third of its peak last year, unconventional assets are cheaper.
但是天然气已经占据了全国五分之二的供电，以及大部分的供热，许多人对于更加依赖天然气这一前景感觉很紧张。
But gas already provides two-fifths of the nation's power and most of its heating, and the prospect of becoming even more reliant on it makes many people nervous.
这个月早些时候，作为他们提交到国会的方案的一部分，福特承诺加速推出新的天然气和电力混合驱动的汽车。
As part of their plan submitted to Congress earlier this month, Ford pledged to accelerate their efforts to bring new gas-electric hybrids and plug-in electric vehicles to market.
它目前已生产全球近四分之一的液化天然气(LNG)。
Already it produces a quarter of the world's liquefied natural gas (LNG).
德国所需的石油和天然气中有超过三分之一有赖于于俄罗斯进口。
Germany imports more than a third of its oil and gas from Russia.
据能源信息局公布的最新数据，这种非传统的天然气产量占到了美国总产量的四分之一。
Such unconventional gas production accounts for nearly a quarter of total production in the United States, according to the latest figures from the Energy Information Administration.
据能源信息局公布的最新数据，这种非传统的天然气产量占到了美国总产量的四分之一。
Such unconventional gas production accounts for nearly a quarter of total production in the United States, according to the latest figures from the Energy Information Administration.
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