氧化数

电子顺磁共振（ESR）结果表明，通过择效活化处理，催化剂上沉积钒的氧化数下降。

ESR identification showed that selective activation was effective in the reduction of V oxidation number of treated catalysts .

选用能对沉积钒和沉积镍的氧化数进行定量表征的程序升温还原（TPR）测试方法，考察了催化裂化催化剂上沉积金属氧化数对降低汽油硫含量的影响。

For the further investigation on the desulfurization effect of the oxidation number s of the vanadium and nickel deposits on FCC catalyst , TPR method was chosen to characterize the oxidation number of metal deposits quantitatively .

不同氧化数的钒氧化物及FCC催化剂上沉积钒的程序升温还原表征

Temperature-programmed reduction characterization of vanadium oxides with different oxidation numbers and Vanadium Deposits on FCC catalyst

一种共价化合物原子氧化数的确定法

A Method for Determining Oxidation Numbers of Atoms in Covalent Compounds

黄铁矿及毒砂中负氧化数金的发现及判定

Discovery of gold with negative oxidation number in pyrite and arsenopyrite

不需用氧化数配平反应式的一种简便方法

A convenient method for balancing chemical equation without using oxidation number

硫代硫酸根中硫元素的氧化数问题的探讨

The Discussion about the Number of sulfur Oxidation in Sodium Sulfuric Acid

一种确定化合物中原子氧化数的简便方法

A simple method to determine the oxidation numbers of atoms in compounds

关于连氢元素氧化数的再认识

Reconsideration about Oxidation Number of the Elements Linking Hydrogen

氧化数概念在有机化学反应中应用的探讨

A Discussion on Applying the Concept of Oxidizing Number to Organic Chemical Reactions

氧化数在化学反应中的应用

The Application of Oxidize Count in thd Addition Reaction

确定氧化数的新方法

A New Method for Determination of Oxidation Numbers

本文提出了一种确定共价化合物原子氧化数的快速、准确的方法。

In this paper a rapid and consistent method for determining oxidation numbers is put forward .

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 .

当沉积钒的表观氧化数低于3时，催化剂的降硫效果大大提高。

When the oxidation number of deposited vanadium is below 3 , the desulfurization effect will be facilitated much more .

用共价键的均裂和异裂法计算有机物各原子的氧化数

Using methods of homolysis and heterolysis of covalent bonds to calculate the number of oxidation of atoms in organic compounds

氧化数是个待完善的化学概念。

But caution is required when the fetter is adopted , Oxidation number is still a chemical concept for further perfection .

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 .

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 .

在623~923K范围内，沉积钒的氧化数随着择效活化温度的增加而降低；

The oxidation number of vanadium deposit on catalyst decreased after the catalyst was treated by selective activation , and decreased with the increase of the selective activation temperature .

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 .

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。还假设了一个组合发动机作为例题。

There is no limit to the number of fuel and oxidant species used simultaneously .

氧化塘离散数的研究

Dispersion numbers for waste stabilization ponds

对模型氧化塘离散数d进行了相似分析，结果表明，模型塘的离散数d可以推广到原型中去。

It has been shown in this paper that the dispersion numbers obtained in models may be applied to prototypes .

本文旨在建立和求解DMFC多孔阳极甲醇氧化宏观动力学理论数模。

A theoretical model of macro kinetics for methanol oxidation in the porous anode of DMFC was developed .

淀积结束后充入大气时，薄膜表面的快速氧化过程仅为数分钟。

On exposing to air , rapid surface oxidation lasts several minutes .

加入水的当量数应与加入氧化镁的当量数相当，这样可使超碱值石油磺酸镁的合成得以顺利进行。

The watering should be equal in mol number to adding the magnesia , in this way , the synthetic process can go on smoothly .

借助XRD、FT-IR对催化剂进行了主体晶相确定，用氧化还原滴定方法测定了不同晶相催化剂中钒的平均氧化数。

The main crystalline phase of the catalysts and the average oxidation value of vanadium in the catalysts were determined respectively by XRD 、 FT-IR and chemical titration .

0～0.1m土层中免耕亚硝酸氧化细菌数量高于翻耕和铁茬，0.1～0.2m土层免耕与翻耕亚硝酸氧化菌数较多，而铁茬较少。

Nitrite oxidizing bacteria were increased in no-tillage soils in 0 ~ 0.1m soil layer , but in 0.1 ~ 0.2m soil layer it were more in no-tillage and conventional tillage soils .

研究发现：500℃下，噻吩能够与V2O5发生氧化还原反应，噻吩被氧化成CO、CO2以及SO2，转化率可达到41.2%，同时V2O5的氧化数下降。

The test results showed that redox reaction occurred between thiophene and V_2O_5 at 500 ℃; thiophene was converted to CO , CO_2 and SO_2 and the conversion reached 41.2 % ; at the same time the oxidation number of vanadium decreased .