The paper studied the distribution of humus carbon in soils sections and the characteristics of humus carbon fraction of purple paddy in Mid-Sichuan Hilly Region.
研究了川中丘陵区紫色水稻土土壤腐殖质碳的剖面分布及其组成特征，探讨了土壤腐殖质与活性有机碳、土壤全氮含量的关系。
Congress seems determined that a proposed cap-and-trade system for carbon emissions, which Mr Obama was counting on to raise hundreds of billions of dollars, will raise only a fraction of that.
虽然奥巴马曾指望靠“二氧化碳排放总量管制和交易系统”来筹集大笔大笔的资金，但似乎国会笃定这一提案所能筹得的只是杯水车薪而已。
The thermal conductivity of the composite is not only dependent on the volume fraction, but also the arrangement of carbon fiber.
这类复合材料的热传导性能主要取决于其组成中的碳纤维含量与排布方式。
The dispersivity of carbon fibers was closely related to the category and mass fraction of dispersants.
短碳纤维的分散性与分散剂的种类和质量分数有关。
The effects of equivalence ratio and volume fraction of oxygen on gas composition, carbon conversion and low heating value (LHV) of fuel gas were investigated through a series of experiments.
实验主要考察了氧的当量比和氧体积分数对气化气组成、碳转化率和气体热值的影响。
The effects of equivalence ratio and volume fraction of oxygen on gas composition, carbon conversion and low heating value of fuel gas were investigated through a series of experiments.
实验主要考察了氧的当量比和氧体积分数对气化气组成、碳转化率和气体热值的影响。
Compared with traditional austempered process, this new method would obtain much finer structure with nearly same volume fraction of retained austenite in matrix and carbon content of austenite.
与传统的等温淬火工艺相比，“两步法”组织得到显著细化，而基体组织中残余奥氏体体积分数及含碳量无明显不同。
The effect of the volume fraction of short carbon fibers on density and mechanical properties of the SCFRC was studied.
研究了短切炭纤维的体积分数对SCFRC材料的体积密度和力学性能的影响规律。
The volume fraction of carbon monoxide in product gas is about 1%, the volume of methane is in excess of 10% and the maximal volume fraction of hydrogen reaches to 41.28%.
在相同的实验条件下不同生物质气化得到了相似的气体组分，气体产物中一氧化碳体积分数大约为1%，甲烷体积分数超过10%，氢气的体积分数最高可以达41 28%；
The bulk fraction is a mixture of methane, carbon dioxide, hydrogen, nitrogen and oxygen. These are measured in terms of percentage by volume.
主要成分是甲烷，二氧化碳，氢气，氮气和氧气的混合气体，这些成分的含量一般用所占填埋气的体积比来表示。
The effect of peroxide content on mechanical properties and gel fraction was researched, as well as the effects of carbon black, ZnO and antioxidant on properties of material.
探讨了过氧化物用量对交联聚乙烯凝胶含量的影响，以及凝胶含量与材料力学性能的关系。
The effect of peroxide content on mechanical properties and gel fraction was researched, as well as the effects of carbon black, ZnO and antioxidant on properties of material.
探讨了过氧化物用量对交联聚乙烯凝胶含量的影响，以及凝胶含量与材料力学性能的关系。
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