The toxicity of vanadium depends on its total content, oxidation states and existence speciation.
钒的毒性大小取决于钒的总量、钒的赋存价态和赋存形态。
In nature, sulfur occurs in many different oxidation states and is one of the most versatile elements in life.
性质上，硫在很多方面发生，不同的氧化说明并且是在生命里的最多用途的元素之一。
With the use of an optically thin electrode, the electronic absorption spectra of 4 different oxidation states were also reported.
获得了该配合物四种不同氧化态时的电子光谱，并对电极反应机理及其产物进行了讨论。
Such metals have multiple oxidation states, meaning they can lose or gain different numbers of electrons in different circumstances.
这种重金属含有多重氧化形态，故而在不同的环境下能够丢失或捕获数量不一的电子。
This is because the Fe atoms in each cluster form a conjugated system and thus can have oxidation states between + 2 and + 3 values.
这是因为在每个集群中的铁原子形成一个共轭体系，从而可以有氧化态之间的+2和3的值。
Such metals have multiple oxidation states, meaning they can lose or gain different Numbers of electrons in different circumstances.
这类金属都有多种价态，这就意味着这类金属在不同的情况下会得失不同的电子数。
The transition metal elements with various oxidation states could be introduced into the catalysts and mortify the performance of catalysts.
而过渡金属元素固溶进入催化剂可以极大的改变催化剂表面和体相的性质。
The peak resolution method is least square method based on the standard spectral profiles corresponding to each oxidation states of vanadium.
谱峰分解法系以每种钒氧化态的标准谱形函数为基础，用最小二乘法求解。
Transition metal oxides were widely used in different areas due to their multi-form of oxidation states as well as their special crystal structures.
过渡族金属氧化物由于具有多种化合价形式和特殊的结构而在许多领域有广泛的应用。
These elements, unlike the transition elements, do not exhibit variable oxidation states, and their valence electrons are only present in their outer shell.
这些元素，不像过渡金属那样显示出可变的化合价，他们只有最外层电子参加反应。
The toxicity of chromium is related to its oxidation states, and the primary typical pollutant in chromium-containing electroplating waste water is hexavalent chromium.
铬的毒性与其存在状态有关，六价铬是电镀含铬废水中的主要特征污染物。
The environmental and biological behaviors and the mobility of a given element are critically dependent on its actual chemical forms, e. g. different bonding forms or oxidation states.
一种元素的生物可给性、环境行为和迁移性在很大程度上取决于它的形态。
Direct testing for a passive surface can be accomplished by X-ray Photoelectron Spectroscopy (XPS) testing which is used to measure the oxidation states of elements found on the metal surface.
钝化表面的直接检测可通过X射线光电子光谱法(XPS)检测来实现，该方法通常用于金属表面发现的元素的氧化状态。
It is this process of oxidation which distinguishes the black teas, almost universally drunk in the United States today, from what are known as green teas.
这是这一进程的不同，氧化的红茶，几乎普遍酒后在今天的美国，从所谓的绿茶。
It is this process of oxidation which distinguishes the black teas, almost universally drunk in the United States today, from what are known as green teas.
这是这一进程的不同，氧化的红茶，几乎普遍酒后在今天的美国，从所谓的绿茶。
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