此方法比气相色谱法直接测试更加快速简便，测试费用低廉，适合工业氯丹应用中的迅速测定。
The method is cheaper, more rapid than gas chromatography, and suited to rapid testing industrial chlordane.
并就水平直管内的高载荷比气固两相流动进行了数值计算，其计算结果和收敛速度都是令人满意的。
Numerical results of a high loading dilute gas-particle flow in a horizontal straight pipe is given as an example.
介绍了CY- 1 0 1型磁压力式氧分析仪的样品气预处理系统和参比气预处理系统的改造及改造后的效果和优点。
The modification of pre-treatment system of CY-101 magnetic pressurized oxygen analyzer is introduced. The effects and advantages of the system after that are presented.
在大学学费计算器里输入数据，然后对着网络吐出来的六位数倒抽一口气——很少有其他在线活动比这种活动更能让人清醒了。
There are few more sobering online activities than entering data into college-tuition calculators and gasping as the Web spits back a six-figure sum.
他感兴趣的是个体差异，不仅对肠胃气的总量感兴趣，而且对构成气体的百分比也感兴趣。
He was interested in individual differences, not just in the overall volume of flatus, but in the differing percentages of constituent gases.
使用潮汐能源发电比使用煤炭或天然气等传统能源便宜得多。
Using tidal energy to produce electricity is much cheaper than using the traditional energy, like coal or gas.
原料气各物质的比例不同，可以制备不同碳氢比的合成气。
Different feed gas ratio could produce synthesis gas of different H/C radio.
甲烷会对气候造成比天然气更大的危害，其危害程度或许超过煤炭对气候的影响。
This makes its climate impact worse than conventional gas, they say - and probably worse than coal as well.
他甚至提到了俄罗斯天然气公司，这家公司的天然气储备比西方各大石油企业加起来都多。
He even cites Russia's Gazprom, which controls more gas reserves than all the West's big oil firms combined.
与之相反，在煤炭的开采中甲烷释放要少的多；但燃烧煤炭所产生的CO2比燃烧天然气所释放的CO2多出2倍。
Coal, by contrast, is associated with a much smaller methane release during mining; but burning it produces about twice as much CO2 as burning natural gas.
第三，美国的天然气业面对的关系比欧洲更简单和友好。
Third, America's gas industry faces fewer and friendlier regulations than Europe's.
卡塔尔也生产比世界平均水平低的成本的天然气，这样就能更好的经受下行的价格波动。
Qatar also produces gas at a lower cost than world averages and thus is better positioned to weather downside price fluctuations.
但是天然气具有更加重要的作用：天然气产生的可用电量比燃煤发电多三分之一。
But gas could play a bigger role: there is a third more gas-powered than coal-fired capacity available.
第一个要求很容易就得到了满足：众议院和参议院的领导们指示他们的部下将发电机换成使用天然气的，这比用煤要清洁许多。
The first demand was easily met: the leaders of the House of Representatives and the Senate instructed their staff to convert the plant to run on natural gas, which burns more cleanly than coal.
也门是世界上第32大石油输出国也是第16大液化天然气销售国，或许潜在的未纳入统计的比这还要多。
Yemen is the world's 32nd biggest oil exporter and 16th biggest seller of liquefied natural gas, and there may be greater potential to unlock.
如果把这些排放量全部计算在内的话，天然气也就比煤炭节省了25%的温室气体排放量，甚至会更少。
When all these emissions are counted, gas may be as little as 25 percent cleaner than coal, or perhaps even less.
因为质量比地球小的行星迁移速度缓慢，所以他们更易于在气盘中存活。
Planets smaller than Earth can easily survive in the disk because they migrate slowly.
国际能源组织计算，按目前水平，核能比天然气更廉价，比煤炭更清洁。
At current levels, the IEA calculates, nuclear power is cheaper than gas and almost as cheap as coal.
天然气的隐性成本比煤炭要低不少。
彗星气状星体中松动的冰块也许比固态的小行星还要可怕，况且科学家们还不清楚如何去对付那些更不稳定的“亲戚们”。
The loose chunks of ice debris within a comet's gaseous body might also prove more of a nightmare than solid asteroids, and scientists still don't know exactly how to deal with the rockier Cousins.
提取页岩气比从地面抽取其他碳氢化合物更具破坏性——比起生产同等的常规天然气需要下沉更多的勘探井。
Extracting shale gas is more disruptive than hoicking other hydrocarbons out of the ground-far more Wells must be sunk than are needed to produce the same quantity of conventional gas.
埃塞俄比亚已探明的石油和天然气储量很少，但分析人士认为，欧加登地区有很大开发潜力，特别在天然气方面。
Ethiopia's proven reserves of oil and gas are minimal but analysts believe there is potential, particularly for gas, in the Ogaden.
核能比天然气的污染少，但是成本太高，而且因为放射性废物处置存在的高度危险性而被美国上下置疑。
Nuclear energy is less polluting than gas from a climate-changing perspective, but it is costly and viewed skeptically in the United States because of the dangers of disposing of radioactive waste.
利用数百万个传感器，该系统可能绘制出比之前清晰地多的天然气和石油存储分布图。
Based on as many as a million sensors, CENSE will make it possible to create a far clearer picture of oil and gas reservoirs than previously possible.
利用数百万个传感器，该系统可能绘制出比之前清晰地多的天然气和石油存储分布图。
Based on as many as a million sensors, CENSE will make it possible to create a far clearer picture of oil and gas reservoirs than previously possible.
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