我们会在课程的后半部分讲到氧化数，但它和形式电荷完全不是同一个概念。
We'll get to oxidation number in the second half of this course, but it's not in any way the same idea as formal charge.
本文提出的“差式氧化数法”特别适用于有机化学反应方程式的平衡。
Our difference-oxidation digit method used especially applies to equality to the chemical equation of organic reaction.
配平氧化还原反应方程式的原则是：还原剂氧化数升高的数值等于氧化剂氧化数降低的数值。
On the basis of the changed value of oxidized elements and atoms in the oxido-reducing reaction, relative coefficient is adopted to make it easy to equalize square equation.
配平氧化还原反应方程式的原则是：还原剂氧化数升高的数值等于氧化剂氧化数降低的数值。
This paper introduces the method of applying valence in balancing inorganic and organic oxidation-reduction reaction equation.
氧化数法结合系数代数法可以求出复杂体系氧化还原反应配平式，但正确答案往往不是唯一的。
The reaction equation in a complex oxid - reduction, according to the authors, can be balanced by combining oxidization algorithm with coefficient algebra, which gives more than one correct answer.
重铬酸钾—硫酸亚铁法主要难题是在计算时无法知道沉积物中有机碳的氧化数，因而所测值不够准确。
Its result has to be colibrated. Because the structure of organic substances is complicated, the number of oxidation valence of carbon is assumed zero when calculating organic carbon.
过滤金属化合物与硫化物相互作用的分子模拟研究结果表明，低氧化数钒的氧化物有利于促进硫化物的转化。
Molecular simulation modeling study indicated that vanadium oxides with vanadium of low oxidation number facilitated the conversion of sulfides.
本文讨论了硫代、连多硫酸根等中所带电荷在不同位置时对氧化数所产生的影响，提出了确定硫代、连多硫酸根等中每个硫原子氧化数的方法。
This paper discusses the influence on the oxidation number of each sulfur atom when the charge possesses different position in thiosulfate, polythionate and so on.
介绍了一种新的化学反应方程式的配平方法，使用这种方法可以配平任何类型的氧化还原反应方程式，却不需知道反应式中氧化剂、还原剂氧化数的变化值及得失电子数。
According to conservation of mass, this article establishes a kind of mathematical model for the equation equilibrium of chemical reaction, and also gives its solution both by man and by computer.
“每年全世界的树叶带走大气层中不计其数的二氧化碳。”亚利桑那大学博士生本·布兰德说道。
"Across the world leaves take a very large amount of carbon out of the atmosphere each year," said Ben Blonder a doctoral student at the University of Arizona.
在福特，我们利用内燃机和燃油直喷技术，将每加仑燃油行驶里程数提高了25%，二氧化碳(排放)却下降了15%。
At Ford, with the internal-combustion engine and direct fuel injection, we're making a 25 percent improvement in miles per gallon and we're reducing CO2 [emissions] by 15 percent.
因此，如果大量减少二氧化碳的排放来逆转全球变暖将意味着在全球范围内产生一个巨大的净死亡数。
So, if substantially cutting carbon dioxide reverses warming, that will mean a large net loss of life globally.
在饮用伏特加后数小时之内，整体脂肪氧化(检测人体燃烧的脂肪)大幅度下降73%。
For several hours after drinking the vodka, whole body lipid oxidation (a measure of how much fat your body is burning) dropped by a massive 73%.
它是一种有效的抗氧化剂，数世纪以来被印度人和中国人用来入药。
It's a powerful antioxidant and has been used in Indian and Chinese medicine for centuries.
相较于让数百万人堵在路上，连续数小时不停地喷涌一氧化碳，省掉通勤显然更有利于保护我们的臭氧层。
Cutting out commutes is better for the ozone layer than having millions of people sitting in traffic jams, spewing carbon monoxide, for hours on end.
用100％减去所发现的所有杂质重量百分数之和，包括水、酸、二氧化碳和醛类，即为环氧乙烷的重量百分比。
Sum in weight percent all the impurities found: water, acidity, carbon dioxide and aldehydes and subtract from 100.0 percent to obtain the percent by weight ethylene oxide.
分析表明，从多个子列的氧化层电容漏电合格率的曲线可以求出氧化层完整性的表征因子E 值（每个缺陷包含的单元数）。
Analyses show that the characteristic factor for oxide integrity E , i. e. the number of elements per defect, can be calculated from oxide capacitor leak current yield curves.
实验结果表明，高的反应温度和煅烧过程中快的升温速度明显增加了前驱体溶液中单斜氧化锆的形核数。
Experimental results indicate that a high reaction temperature and quickly ascending temperature speed apparently increase the nucleation number of monoclinic zirconia in the precursor solution.
第一次使用高雷诺数热氧化安定性实验机来定量检测喷气燃料的热氧化安定性。
This thesis for the internal first time puts forward the possibility of using dispersant for improving the thermal oxidation stability of Jet fuel, at same time the dispersant were chosen.
燃烧过程中使用的燃料种类数及氧化剂种类数均没有限制。
There is no limit to the number of fuel and oxidant species used simultaneously.
伏安电荷、电化学孔隙率和分形维数的变化规律有效地反映了电极的电催化氧化活性和稳定性的变化。
Regularities of voltammetric charge, electrochemical porosity and fractal dimension of the electrodes reflected variations of electro-catalytic oxidation activity and stability effectively.
本文对竖直圆管中超临界压力二氧化碳在低雷诺数条件下的对流换热进行了实验研究和数值模拟。
Convection heat transfer of CO2 at supercritical pressures in a vertical tube at low re was investigated experimentally and numerically.
种分氧化铝磨损指数和分维数之间的关系必须结合形貌结构进行分析，形貌结构类型相同的种分氧化铝的磨损指数随分维数增大而增大。
The results show that the attrition index of alumina from carbonization precipitation increases with the increase of fractal dimension. The crystal structure should be considered during analyzing …
科学家发现，全球暖化是由数重温室气体造成，而主要导致气温上升的元凶是二氧化碳。
Scientists discovered that there are several greenhouse gases responsible for global warming, and the gas that causes the most warming is carbon dioxide, also called CO2.
科学家发现，全球暖化是由数重温室气体造成，而主要导致气温上升的元凶是二氧化碳。
Scientists discovered that there are several greenhouse gases responsible for global warming, and the gas that causes the most warming is carbon dioxide, also called CO2.
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