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.
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。
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.
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。
The number of hydrocarbon oxidation bacteria had a relationship with the supply of nutrients as well as other water factors.
烃类氧化菌的数量与水域中的营养盐含量及其它水质因子有一定的关系。
Molecular simulation modeling study indicated that vanadium oxides with vanadium of low oxidation number facilitated the conversion of sulfides.
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。
All alkaline earth elements have an oxidation number of +2, making them very reactive. Because of their reactivity, the alkaline metals are not found free in nature.
所有的碱土金属元素的化合价都是+2，这使他们非常活泼，因为他们非常活泼，也不在自然界中直接出现。
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.
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。
The analytical method of organic acids in the oxidation tests and oxidized products of kerogens is set up on the basis of a large number of indoor conditional tests.
本文通过大量的室内试验，建立了干酪根氧化试验和氧化产物中有机酸的分析方法。
The analytical method of organic acids in the oxidation tests and oxidized products of kerogens is set up on the basis of a large number of indoor conditional tests.
本文通过大量的室内试验，建立了干酪根氧化试验和氧化产物中有机酸的分析方法。
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