The toxicity of chromium in different valent are quite different .

不同 价 态的铬具有不同的毒性。

Dmitry and Maria Valent are masters of Thai boxing and spouses .

德米特里和 玛利亚·瓦连特 二人是夫妻，也都是泰拳高手。

Degradation of p-nitroaniline by ultrasound and zero valent iron

超声波/零 价铁降解对硝基苯胺的试验研究

Zero valent iron dechlorination of 4-chlorophenol in soils

零 价铁对土壤中4-氯苯酚还原脱氯研究

Effect of different valent cation solution was different on soil erosion .

不同 价 态阳离子溶液对土壤侵蚀的影响不同。

It was revealed that the formation of cerium conversion coatings involves a chemical dissolution process of anodized film and an electroreduction process of 4 valent state cerium compound .

研究结果表明铈转化膜的生成包括阳极氧化膜的化学溶解和4 价铈化合物的电化学还原两个过程；

NO zero valent manganese is observed in all steps .

在所有的过程中，没有观察到零 价锰存在。

Reductive behaviors of low valent tungsten compounds and their applications in organic synthesis

低价钨化合物的还原特性及其在有机合成中的应用

Separation and valent determination of alkali soluble vanadium in vanadium 's slag treated with sodium

钠化钒渣中碱溶钒的分离与 价 态测定

Objective To study the effects of six valent chromium Cr (ⅵ) w_1618 on cell proliferation cycle and cellular contents of protein and DNA .

目的研究六 价铬〔Cr（Ⅵ）〕对细胞增殖周期和细胞内蛋白质及DNA含量的影响。

Removal of Aqueous Molybdenum by Zero Valent Iron

零 价铁去除水中钼的研究

Experimental study of the dechlorination of PCBs in polluted soils by zero valent iron

零 价铁还原脱氯污染土壤中PCBs的实验研究

Compound (ⅳ) is mixed valent vanadium tellurite .

混合 程序 库化合物（Ⅳ）是 由 五价、 四价混合 价钒的亚碲酸盐；

The mechanisms of chromium removal by zero valent iron and the effects of the anions were also depicted .

初步探讨了零 价铁除铬和小分子阴离子对铬去除影响的机理。

Besides the valent state of Mo the surface pattern and distribution of Mo on this catalyst and the formation of catalytic active matter and so on were studied preliminarily .

文中还对Mo在催化剂上的 价态，表面形貌和分布；催化活性物质的形成和制备过程中的一些问题作了初步探讨。

This article proposed the program and method about vanadium valent seperation and determination in such complicated sample . And the results are satisfactory .

本文拟定了这种复杂试样中钒的 价 态分离与测定的程序和方法，获得了满意的结果。

Toxic arsenic determination and its valent state analysis

毒物砷的测定及 价态分析方法

The result indicated that zero valent iron could removal chromium quickly .

结果表明，铁能很快去除 水体中的铬， 且铬的去除 速率 随 溶液 的 pH 降低 而 增快；

Study on dechlorination of chlorinated phenols by ultrasound and zero valent iron

超声波和零 价铁 联用对氯代苯酚脱氯降解作用的研究

A study of generating translated text based on verbal - valent

基于动词 配价 的 德汉译文转换生成的研究

This paper is to make an analysis of Russian verbs from the perspective of valent capacity of verbs .

本文将借鉴 配价语法中有关动词 配价的理论，从动词 配价能力的角度对俄语动词进行分析。

Part Five provides some proposals of the author for the application of verbal valent theory into Russian teaching .

第五部分：笔者就在俄语教学中应用动词 配价理论提出了几点建议。

Headway on Application of zero valent iron in rehabilitating water body contaminated by nitrate

零 价铁修复硝酸盐污染水体的研究进展

Progress in pinacol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years .

文章综述近几年 来由 低价钛还原偶联醛酮合成片呐醇的进展。

This paper reviews the deoxygenative reduction and dehalogenative reduction of organic compounds with the low valent tungsten reagents .

本文对 低价钨试剂与有机化合物的脱氧、脱卤还原反应作了简要的叙述。

Finally the relationship between the S factors and the crystal field strength and valent characteristics is discussed .

最后，还讨论了S因子与晶场强度及 基质晶体 价 键特性之间的关系。

Application of Low Valent Cobalt Complexes Supported by Trimethylphosphine in C-H 、 C-F Bond Activation

三甲基膦支持的 低价钴配合物在C-H键、C-F键活化中的应用

In this paper the degradation of p nitroaniline was investigated primarily in ultrasound zero valent iron ultrasound and zero valent iron systems ( U / Fe 0 ) .

对在超声波、零 价铁和超声波/零价铁（U/Fe0）等体系中对硝基苯胺的降解规律进行了研究。

Degradation of dye waste water by zero valent iron and EDTA under mild reaction conditions

利用Fe（0） -EDTA- 空气在温和条件下降解模拟染料废水的研究

Research progress of ground water treatment technology of nano-scale zero valent iron

纳米零 价铁处理地下水污染技术研究进展