查询词典 non-valent

Meanwhile, the reoxidation of low valent Mn ion in the reduced samp...

这正是该催化剂较Na2WO4／SiO2具有更高甲烷选择氧化活性的原因。

In this paper, after the similarities and differences of the three theories on semantics, including Valent grammar, Case grammar, Theta theory, are reviewed synoptically, we introduce a semantic model based on phrase-standard grammar of contemporary Chinese for a Chinese-English machine translation system.

本文在简略阐述我们对几种语义分析理论——配价语法，格语法，论旨理论的认识的基础上，介绍我们研制的一个基于汉语词组本位语法的汉英机器翻译系统所采用的语义模型。

Low valent selenium and telluronium compounds have high reducing selectivity to be used to form carbon-hydrogen bonds as special reducing reagents.

低价硒、碲化合物具有良好的还原选择性，可用于多种碳-氢键的形成，碲叶立德和α-芳硒基取代的胂叶立德均可发生Wittig型反应，是形成碳-碳双键的重要方法。

Low valent selenium and telluronium compounds have high reducing selectivity to be used to form carbon-hydrogen bonds as special reducing reagents.

低价硒、碲化合物具有良好的还原选择性，可用於多种碳-氢键的形成，碲叶立德和α-芳硒基取代的胂叶立德均可发生Wittig型反应，是形成碳-碳双键的重要方法。

The research dealt with the availability of dechlorination by zero-valent iron, optimization of the main factors on the dechlorination, options of the catalyst, kinetics of the dechlorination of chloroform, the effects of neutralization and flocculation on the removal of chloroform and tetrachloromethane, and so on.

实验研究的主要内容包括：金属铁还原脱氯的有效性，金属铁还原脱氯工艺主要参数的确定和优化，无机催化剂的筛选及其催化脱氯的效果，氯仿脱氯动力学，中和和絮凝过程对去除有机氯的影响等。

While the temperature ranged from 25 ℃ to 45 ℃, the removal efficiencies of the chloroform in the composite wastewater was only between 60% and 85%, while the tetrachloromethane removal efficiencies was 90%. After zero-valent iron dechlorination, the calcium carbide residue was applied for neutralization.

在此条件下，温度范围为25℃—45℃，单组分模拟废水—三氯甲烷的去除率为60%—85%，双组分模拟废水—三氯甲烷的去除率为75%，四氯化碳的去除率为90%。

The research firstly focused on the effects of catalytic reductive dechlorination of the composite wastewater with chloroform and tetrachloromethane by zero-valent iron, optimizations of influencing factors on the dechlorinating process, and kinetics of chloroform dechlorination.

本文首先以配制的含氯仿和四氯化碳的废水为处理对象，研究了金属铁催化还原脱氯的效果，优化了处理工艺参数，简单分析了氯仿脱氯动力学特征。

From these experiments, it was confirmed that catalytic reductive dechlorination by zero-valent iron was a valid method to reduce the chloroform and tetrachloromethane in the wastewater from the chlorinated compound industry. The experiments results as above would been validated with the industrialisation Equipment.

实验结果表明，铁催化还原法可以有效的去除甲烷氯化物生产废水中的氯仿、四氯化碳；实验研究结果在中试工程中得到验证。

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。

Therefore, we suppose that the study of verbal valent theory has some practical senses to Russian teaching.

因此，我们认为研究动词配价论对俄语教学有一定的实用意义。

You're one of the highest scorers in Serie A, smacking home 27 goals in 13 games.

不做害羞的事，不求自己的益处

OBJECTIVE: To investigate the relationship between the incidence of MAU in patients with acute cerebral infarction and the risk factor of stroke and the recurrence of cerebral infarction.

目的：研究急性脑梗死患者微量白蛋白尿的发生率、与脑卒中危险因素及脑梗死复发的关系。