Although change in carbon dioxide content closely follows change in temperature during periods of deglaciation, it apparently lags behind temperature during periods of cooling.
虽然在冰川消退期间二氧化碳含量的变化与温度的变化密切相关，但它显然滞后于冷却期间的温度。
They will increasingly ask about the carbon content of their food.
他们会越来越多地关注食物的碳含量。
On the upside, agriculture can also dispose of heat-trapping gases, by increasing the carbon content of soils.
从好的方面讲，农业可增加土地有机炭的含量，从而将温室气体固定下来。
Those plants will utilize more than 1 million metric tons of carbon content, which otherwise would have been released to the atmosphere.
这些热电厂的燃料为焦炉煤气，电厂将使用1百多万公吨的碳燃料，否则这些燃料将被释放到大气层中去。
And California has adopted a low-carbon fuel standard that will require oil companies to cut the carbon content of their petrol.
而且加州已经通过了低碳燃料标准，要求石油公司降低他们汽油中的含碳量。
About 90 percent of the world's total carbon content has settled to the bottom of the ocean, primarily in the form of dead biomass.
全世界的碳有90％沉积在海底，主要都是通过这种方式进行的。
The researchers analyzed data from dozens of studies to determine how planting new biofuel crops can influence the carbon content of the soil.
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。
Since the carbon content of these steels is so high, parts made from high carbon steel are normally difficult to machine and weld.
由于碳在这类钢中的含量很高，用高碳钢制作的零件通常很难被加工和焊接。
A steel with varying carbon content and, consequently, different critical temperatures requires a special heat treatment.
含碳量变化的钢具有不同的临界温度，因此需要特殊的热处理。
Steel with low carbon content will not respond appreciably to hardening treatment.
含碳量低的钢对淬火处理没有明显的反应。
As the carbon content in steel increases up to around 0.60%, the possible hardness obtainable also increases.
随着钢的含碳量增加到大约0.60%，可能得到的硬度也增加。
Using self-made carbon steel crucible instead of poroelain crucible is an economical, practical, simple and raoid way to determine the carbon content in cement raw meal with phosphogypsum.
用自制碳钢材蜗代替瓷材蜗，测定磷石膏制水泥生料中的碳含量，经济实用，简便、快速。
The hardness obtained from a given treatment depends on the quenching rate, the carbon content, and the work size.
通过给定的热处理所得到的硬度取决于淬火速率、含碳量和工件尺寸。
Low carbon content and rare earth modification to improve the morphology and distribution of carbide are both advantageous.
低碳含量，稀土变质处理改变碳化物为断开分布的板块状都可起有利影响。
The optimal middle annealing temperature increases with the increase of the carbon content.
合金的最佳中间退火温度随碳含量的增加而升高。
The cementite phases still increase with the increase of carbon content.
随着碳含量的增加，渗碳体相也相应增加。
The carbon content of macerals increases with increasing temperature.
煤岩组分中的碳含量随温度升高而增加。
For all other materials, the minimum carbon content of the weld metal shall be 0.05%.
对所有其它材料，焊缝金属的最低含碳量应是0.05%。
The intermedium pickling and oxidation annealing can greatly reduce the carbon content in the oxide film.
铜管脱脂，氮气保护退火对降低氧化膜中碳的含量无明显效果。
Preferably the liquid anode comprises molten salt and a fuel, which preferably has a significant elemental carbon content.
优选液体阳极包括熔融盐和燃料， 优选含有相当多的元素碳。
Imports would have to be certified as to their carbon content, and would be taxed accordingly.
进口货物的含碳量将被检验并相应地征收税款。
The higher the carbon content, the slower this rate must be.
含碳量越高，冷却的速率必须越慢。
Material for rail of crane is of strong strength because of high carbon content, but of poor weldability, which makes more cracks. Strict technique is required in such welding.
吊车轨道的材料由于其含碳量较高，强度大，可焊性较差，焊接时容易产生裂纹， 因此要严格按照工艺执行。
The end carbon content and temperature were controlled, and the chromium yield was increased by using the model.
通过该模型可控制终点碳和温度以及提高铬的回收率。
Since medium carbon steels have a higher carbon content they can be heat treated to make parts such as studs, pins, axles, and nuts.
由于它含有较少的碳，这些钢不能被硬化，只能进行表面硬化。
GDS testing results indicate the carbon content of the surface reaches 29.8%, the carbon content in the alloyed layer emerges in gradient distribution too.
辉光放电光电子谱仪（GDS）渗层成分检测结果表明表面含碳量可达29.8%，合金渗层的碳含量也呈梯度分布；
The carbon content being high, this kind of welding rod is not fit for welding machine parts that have to withstand high stress.
由于含碳量高，所以这种焊条不宜焊接必须承受高应力的机器部件。
The carbon content being high, this kind of welding rod is not fit for welding machine parts that have to withstand high stress.
由于含碳量高，所以这种焊条不宜焊接必须承受高应力的机器部件。
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