This paper has reported experimental results of NO reduction with coals and chars in conditions of initial NO concentration of 1000 ppm, different reaction temperature and stoichiometric ratio.
本文报告了在 ＮＯ初始浓度为 １０００ × １０－６、不同的反应区温度和化学当量比的条件下，不同煤粉及其煤焦对ＮＯ还原的实验结果。
The super-adiabatic combustion of the pre-mixture of methane and air under different equivalence ratios(0.
为探索多孔介质内超绝热燃烧的特性,搭建了自由堆积多孔介质超绝热燃烧试验台架,测量了不同化学当量比(0。
Combustion wave propagation experiments in porous media were carried out for premixed methane/air mixtures with an equivalence ratio ranging from 0.
为了解多孔介质内预混燃烧火焰前沿的传播特性,对不同化学当量比(=0。
Influence of Stoichiometric Ratio on De-NO_x by Reburning with Coal-Gas from Underground Gasification
化学当量比对地下气化煤气再燃脱硝的影响
Analysis by volumetric procedures requires that some method of indicating the stoichiometric end point be employed.
用容量法进行分析时，需要使用一些指示化学当量终点的方法。
The ratio of air to fuel for which perfect combustion takes place is called stoichiometry.
实现完全燃烧时的空气和燃烧的比率称为化学当量比。
stoichiometric coefficient
化学（当量）计算系数
On the Estimate of the Present Rural Population;
科学估算当前农村人口数量及城市化率
Einstein photochemical equivalence law
爱因斯坦光化当量定律
Appropriate chemical attribute information, such as structural formula, empirical formula, and molecular weight.
适当的化学性质资料，比如结构式，经验式和分子量等。
The Application of Infrared Spectroscopy and Chemometrics to Qualitation and Quantitative Study Models of Codonopsis Pilosulae and Angelicae Sinensis
红外光谱技术及化学计量学在党参、当归定性定量模型研究中的应用
Chemical Oxygen Demand--Total [CODt]
化学需氧量（总数）
Chemical Oxygen Demand--Settled [CODs]
化学需氧量（沉淀）
make-up of chemical loss
化学药品补充[量]
Danish Chemometrics Society (DCS)
丹麦化学计量学学会
Russian Chemometrics Society (RCS)
俄罗斯化学计量学学会
Norwegian Chemometrics Society
挪威化学计量学学会
A handful of common sense is worth a bushel of learning.
少量的常识，当得大量的学问。
A considerable amount of effort has been made into forcing lead dioxide to conform to exact stoichiometry.
相当多的努力一直被花费在强制性地把二氧化铅转变为化学计量意义上准确的Pb2O上。
Chemical changes that give off energy.
释放能量的化学变化
We should take appropriate measures to improve our teaching.
我们应当采取适当的措施提高教学质量。