欧洲年久老旧的炼油厂无法加工更重质的沙特原油，且这里的燃料规定对硫磺含量没世界其他地方那么宽容。
Europe's creaky old refineries will not be able to process the heavier Saudi crude, and fuel regulations there are less tolerant of sulphur content than elsewhere in the world.
因此，植物燃烧不像煤碳和石油之类的化石燃料，它们在燃烧过程中不会增加大气中的碳含量。
So unlike with fossil fuels such as coal and oil, burning them does not add new carbon to the atmosphere.
为将燃料做成电能反应堆，铀被浓缩至U-235同位素含量5%以下。
To make fuel for electricity-generating reactors, uranium is enriched to less than 5 percent of the isotope U-235.
Reinach认为Alellyx是唯一一家将糖和甘蔗的DNA进行拧合的公司。 这家公司现在开始对一种使用比标准品种蔗糖（糖或燃料的原材料）含量高80%以上的新品种进行田间试验。
Alellyx, which Mr Reinach claims is the only company tweaking sugar-cane DNA, has started field trials of a variety with 80% more sucrose—the raw material for sugar or fuel—than the standard sort.
当我们燃烧化石燃料时，空气中的二氧化碳含量提高，而氧气大大减少。
As we drive up levels of CO2 by burning fossil fuels, we also deplete oxygen.
如果我们继续按照目前的标准使用矿物燃料，到2050年全球大气中的二氧化碳含量将达到550ppm(百万分率)。这个数字是人类进入工业化社会前的两倍。
If we continue to burn fossil fuels at current rates, levels of carbon dioxide in the atmosphere will reach 550 PPM (parts per million) — double pre-industrial levels — by around 2050.
正如最近南极冰层钻探透露的消息，由于化石燃料的排放，如今大气中的二氧化碳含量比至少一百万年内的任何时候都多了三分之一。
Owing to fossil-fuel emissions, there is now one-third more carbon dioxide in the atmosphere than at any time in at least a million years, as the latest ice drilling in Antarctica has revealed.
研究者分析了几十项研究已得出的数据，来确定种植新的生物燃料作物如何影响土壤的碳含量。
The researchers analyzed data from dozens of studies to determine how planting new biofuel crops can influence the carbon content of the soil.
其它燃料如木头，生物燃料，碎轮胎以及煤泥，也可作为燃料，这取决于其对热量输入百分比，水分含量和排放的要求。
Other fuels such as wood, biomass, shredded tires and sludge are also candidates, depending on their percentage of heat input, moisture content and emission requirements.
因此，将铂炭复合材料作为离子膜燃料电池电极材料时，铂含量高的铂炭复合电极更有利于电化学反应的进行。
Therefore, when the electrodes are used for the ion exchange membrane fuel cells, the electrodes with higher platinum contents are more favourable for electrochemical reaction process.
降低烧结矿中硅的含量，可以有效地减少高炉渣量，从而降低燃料的消耗。
Slag volume is effectively reduced by lowering Si content in sinter in order to decrease fuel consumption.
采用这些技术，可以生产低硫、低硫醇或低硫低芳烃含量的燃料产品。
By adopting these technologies, fuel oils with low sulfur, low thiol and low aromatic contents can be obtained.
指出燃料灰分含量的高低、燃烧器雾化质量好坏、燃烧空气温度的高低及操作人员的技术水平的高低都是影响灰垢生成量的主要因素。
It is pointed out that the soot volume depends greatly upon ash content in the fuel, the performance of burner nozzle, air temperature, and burning operation.
汽油烯烃、苯含量及58%以上的柴油符合清洁燃料标准。
The contents of olefins and benzene in gasoline and over 58% of the diesel meet clean fuel standards.
参照国家标准设计制造的实际胶质测定仪，用来测定一些燃料的实际胶质含量。
The measuring meter of exact colloid which was designed and produced according to the state standard was used to determine the colloid content of some fuel.
目前仍然有一些增加合成燃料气中的氢含量的潜能，这有待通过用有限的努力改造涡轮来实现。
Currently there is still some potential for increasing the hydrogen content in the synthetic fuel gas, which is expected to be realised later by modifications of the turbines with limited efforts.
体积密度显着不同水分含量和颗粒大小的燃料。
Bulk density varies significantly with moisture content and particle size of fuel.
所有的气化炉有燃料的大小，水分和灰分含量相当严格的要求。
All the gasifiers have fairly strict requirements for fuel size, moisture and ash content.
能量含量较高的是燃料气化总是更好。
Fuel with higher energy content is always better for gasification.
从发动机外特性试验结果看：随着燃料中乙醇含量的增加，发动机最大扭矩和额定功率逐渐降低；
The results of engine full-load characteristic show that the power output of engine decreases as the ethanol volume concentration of diesohol fuel increases.
本文论述了采用近红外光谱DA7200的液体分析装置检测变性燃料乙醇主要成分含量的方法。
The method of assay of principal constituents of denatured fuel ethanol by the set of liquid analyze with near-infrared spectroscopy(DA7200) has been expounded in this thesis.
固体燃料的重量含量为能满足原料石膏得到充分还原氧化转化的需要量。
The weight content of the solid fuel is the demand quantity meeting the requirement that the raw material gypsum is fully reduced, oxidized and converted.
为了提供更大的准确性，比较燃料，能源含量是衡量计算，“个BTU的英国热单位。”
To provide greater accuracy in comparing fuels, energy content is measured in terms of "British Thermal Units (BTU's)."
水泥和熟料中的微量元素主要来源于原燃料，二次材料中个别元素的含量会很高。
Trace elements in cement and clinker mainly come from raw materials and fuel. Specific element in secondary materials might be high.
环境中的钒有多种不同来源，人类活动，尤其是大量化石燃料的燃烧，使环境中钒含量急剧增加。
There are many sources of vanadium in environment. Human activities, especially combustion of fossil fuel, make the quantity of vanadium in environment increase intensively.
一种黑色多孔的含碳物质，碳含量占85%到98%，由干馏木材制成以用作燃料、过滤器和吸收剂。
A black, porous, carbonaceous material, 85 to 98 percent carbon, produced by the destructive distillation of wood and used as a fuel, filter, and absorbent.
一种黑色多孔的含碳物质，碳含量占85%到98%，由干馏木材制成以用作燃料、过滤器和吸收剂。
A black, porous, carbonaceous material, 85 to 98 percent carbon, produced by the destructive distillation of wood and used as a fuel, filter, and absorbent.
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