Study on improving the determination method of nitrogen tetroxide in red fuming nitric acid

红烟硝酸中 四氧化二氮 含量测定方法改进研究

Kinetics of manganese tetroxide preparation catalyzed by different acids

不同酸催化下制备 四 氧化 三 锰的反应动力学

Research on Analyze Technique of Water Equivalent of Nitrogen Tetroxide

四氧化二氮相当水化验方法探讨

The influencing factors of uncertainty of measurement for determination of equivalent water content in nitrogen tetroxide by NMR method we established were discussed in this paper .

讨论了自行建立的核磁共振法测定 四氧化二氮中相当水含量测量不确定度的影响因素，并对各不确定度 分量和测量结果的不确定度进行了评定。

Neuropathological examination : the HE staining immunohistochemistry osmium tetroxide acid staining . Results : 1 .

神经病理检查：采用HE染色，免疫组化， 锇酸染色观察神经病变。

Analysis methods to determine equivalent water content in nitrogen tetroxide

四氧化二氮中相当水含量的分析检测方法

Evaluation of Uncertainty of Measurement for Determination of Equivalent Water Content in Nitrogen Tetroxide by NMR Method

核磁共振法测定 四氧化二氮中相当水含量测量不确定度评定 熄灭 含 水量 可燃 物 的 含 水量

To solve this problem several methods have been introduced for the recovery and reuse of the ligands and osmium tetroxide .

为了解决这一问题， 国外 有关 研究 小组 探索了多种回收手性配体的方法，近期 还 报道了一些回收 四氧化锇方面的工作。

The methods of preparing and measuring of trimanganese tetroxide are introduced in the paper .

介绍了四氧化三 锰的制备、检测方法及其相关理论研究。

A study on long term compatibility of the nitrogen tetroxide with the satellite tankage materials

四氧化二氮与卫星贮箱材料的长期相容性研究

Objective To investigate the protective effect and its mechanisms of N - acetylcysteine ( NAC ) on acute lung injury ( ALI ) caused by exposure to high concentration rocket liquid propellants asymmetrical dimethylhydrazine ( UDMH ) and dinitrogen tetroxide ( N2O4 ) .

目的观察N-乙酰半胱氨酸（NAC）对大剂量火箭液体推进剂偏二甲基肼（UDMH）和 四氧化二氮（N2O4）吸入性急性肺损伤（ALI）的保护性作用。

A mineral consisting of manganese tetroxide ; a source of manganese .

一种由 四 氧化锰组成的矿物，是 锰的来源。

Osmium tetroxide is an expensive reagent with great toxicity .

四氧化锇是一种贵而毒性大的试剂。

Nitrogen tetroxide and nitrogen tetroxide that contained certain proportional nitrogen oxide are the important rocket propellants and the equivalent water content is one of the most important technique index .

四氧化二氮和加入一定比例一氧化氮的四氧化二氮是非常重要的火箭推进剂，相当水含量是其最重要的一项技术指标。

Conclusions The lung tissue of mice intoxicated by nitrogen tetroxide shows fibrosis . TGF - β 1 and HSP-70 may play important role in the course of lung fibrosis .

结论 N2O4中毒小鼠肺组织可出现纤维化，TGF-β1和HSP-70在肺纤维化的发生发展过程中可能扮演着重要角色。

Nitrogen tetroxide intoxicated group .

四氧化二氮 （ N2O4 ）组；

Here we introduced the successful application of catalytic amount of osmium tetroxide in the oxidation of alkenes with good stereoselectivity . This provides a new route for osmium tetroxide in its application in organic synthesis .

本文介绍催化剂量的 四氧化锇在立体选择性高的烯烃氧化反应中的应用，为四氧化锇在有机合成中的应用，开辟了新的途径。

The chiral catalysts employed in the AD reactions are complexes of osmium tetroxide with chiral ligands .

该反应所用的催化剂是 由 四氧化锇与手性配体配位形成的。

In order to solve the problems caused by the water equivalent of nitrogen tetroxide overproof happened on launch site three test methods ( near infrared microwave and chromatography ( CG )) are analyzed theoretically and experimentally .

针对发射场多次出现的 四氧化二氮相当水含量超标问题，对近红外法、微波法及色谱法等3种化验方法进行了理论分析与实验研究。

Nitrogen tetroxide poisoning of rats with optic nerve changes in retinal morphology

四氧化二氮中毒大鼠视神经视网膜形态的改变

The testing and analysis of the saturated vapor pressure of dinitrogen tetroxide colloid

四氧化二氮胶体的饱和蒸气压测试及分析

Discussion of Increase Product of Nitrogen Tetroxide

提高 四氧化二氮生产 能力的探讨

The design and structure of nitrogen tetroxide concentration monitor are introduced .

介绍了 四氧化二氮 毒气浓度监测仪的设计思路和组成结构。

This study is significant for enhancing the quality control of the nitrogen tetroxide on launch site .

该课题的研究对于提高发射场 四氧化二氮质量控制水平具有十分重要的意义。

Optimization for synthesis process of lithium manganate from lithium carbonate and trimanganese tetroxide

碳酸锂和四氧化三锰合成 锰酸锂的工艺优化 研究

Some key points are resolved with advanced software design conception and technology and a nitrogen tetroxide concentration monitor with sound and light alarm is developed .

通过采用先进的软件设计思想与技术，解决了几个关键问题，成功地研制出了具有声光报警功能的 高 性能 四氧化二氮 毒气浓度监测仪。

NMRS Determination of Equivalent Water Content in Nitrogen Tetroxide

核磁共振波谱法测定 四氧化二氮中的相当水含量

Development of Nitrogen Tetroxide Concentration Monitor

四氧化二氮 毒气浓度监测仪的研制

A staining method with allylamine and Osmium tetroxide for the analysis of crystalline polymer PET and PBT is presented in this paper .

本文介绍一种用于提高结晶高聚物PET和PBT电子显微图象衬度的丙烯胺 四氧化锇染色方法。通过列举的照片，可以直接观察到结晶PET和PBT的两相结构晶区和无定形区。