查询词典 iodine pentoxide

The ring-open nitration of propylene oxide compounds was investigated using dinitrogen pentoxide as nitrating agent.

并以N2O5为硝化剂考察了环氧丙烷类化合物开环硝化过程，探讨了取代基的电子效应和立体效应对环氧丙烷类化合物开环硝化过程的影响规律。

The green synthesis of nitrate esters using dinitrogen pentoxide (N2O5) as nitrating agent was briefly summarized.

评述了N2O5为硝化剂制备硝酸酯类含能材料的绿色合成技术，分析了N2O5-有机溶剂硝化、N2O5-固体载体硝化和引入保护基硝化等三种体系工艺的过程和特点，展望了各硝化体系的发展前景。

This article discussed the influence factors of productivity of formic acid such as the mol ratio of sodium formate and phosphoric acid, the addition of phosphorus pentoxide, vapouring temperature.

对原料配比、五氧化二磷加入量、蒸馏温度对甲酸产品浓度、产率的影响进行了实验。

The results showed that the ultimately productive rate of formic acid reached 95.75% when the mol ratio of sodium formate and phosphoric acid was 1:1.30, the quantity of phosphorus pentoxide was 35.73 g, vapouring temperature was 115℃.

实验结果表明：在一定实验体系中，甲酸钠与磷酸摩尔比为1：1.03、五氧化二磷加入量为35.73 g、蒸馏温度为115℃时，甲酸最终浓度可达到95.75%。

The paper studied the semi-industrial test of extracting Vanadium pentoxide by the pelletization-rotary kiln roasting-low acid leaching-ion exchange technology from the Vanadium-containing kaolin.

对含钒高岭土进行了制粒-回转窑焙烧-低酸浸出-离子交换提取五氧化二钒的半工业试验，试验结果表明，回转窑焙烧过程钒的转化率达到74%以上，全流程五氧化二钒回收率达到71。

The paper studied the semi-industrial test of extracting Vanadium pentoxide by the pelletization-rotary kiln roasting-low acid leaching-ion exchange technology from the Vanadium-containing kaolin.

对含钒高岭土进行了制粒-回转窑焙烧-低酸浸出-离子交换提取五氧化二钒的半工业试验，试验结果表明，回转窑焙烧过程钒的转化率达到74%以上，全流程五氧化二钒回收率达到71.82%，产品质量达到国家标准GB3283-87要求。

A method has been developed to prepare hydrous antimony pentoxide by the oxidation of antimony trioxide with ammonium persulfate in aqueous medium of sulfuric acid.

本文还探索了在硫酸介质中用过硫酸铵将三氧化二锑氧化制备固体水合五氧化二锑的一种新方法。

However, colloidal antimony pentoxide can not only improve the flame retardant synergism, but also reduce the effects on the physical properties of the treated polymeric products due to its fine particle size and a high degree of dispersion as well as strong penetrability and adherence to textile fabrics.

胶体五氧化二锑颗粒很细、高度分散，对织物具有很好的渗透性和较强的粘附力，不仅可提高阻燃增效作用，而且减少对阻燃制品物理性能的影响程度。

It was concluded that no aging time was the most beneficial to form colloid, when molar ratio of phosphoric acid to antimony was in the range from 0.8 to 1.0 and 1.0 to 1.3, the particle sizes of sol with the concentration of 10 % and 15 % antimony pentoxide by weight are both smaller, and with the molar ratio of 1.0, the average particle sizes are (36±5.6)nm nm and (164±32)nm respectively.

结果表明：氧化锑混合物不进行陈化对胶体五氧化二锑的形成最有利；磷酸与锑的摩尔比分别为0.8～1.0和1.0～1.3时，10%和15%的胶体五氧化二锑胶粒粒径较小，当摩尔比为1.0时，粒径分别为(36±5.6)nm和(164±32)nm。

Colloid antimony pentoxide has many properties, such as low color degree, high thermal stability, low fuming, and being easy to add and easy to disperse.

这句话的表达上再做修改旧会更好，&poor&在这里肯定不适合，因为说的是特点，而&poor&是贬义词，所以用&low color degree&较好些。

I'm going tor her!

我这就去救她！

As rise are design to help keep a several toney , a brain chemical at continues lever.

SSRI被设计来帮助保持血液中的复合胺即在大脑中一个连续水平的化学物质。