Objective To explore changes of c fos gene expression as well as the structure changes in lung tissue of rats following blast, N 2O 4 toxicosis and combined blast toxicosis induced injury.

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。

Nitrogen tetroxide intoxicated group.

四氧化二氮（N2O4）组；

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

In this paper the design and the test of two N2O4/ MMH thru-sters, with thrust of 98N or 490N, are chiefly described.

本文主要介绍90N和490N两种四氧化二氮/一甲基肼推力室的设计及试验概况。

In the numerical simulation, the 12 specis, 13 step finite rate chemical reaction model of N 2H 4/ N 2O 4 was adopted.

数值模拟时采用了弱耦合点隐式方法的数值方法及肼/四氧化二氮的十二组分、十三个基元反应的有限速率化学反应模型。

AIM: To study the changes of pattern visual evoked potential ( PVEP) in Winstar mice after N2O4 injected.

目的：研究大鼠在航天推进剂四氧化二氮染毒后的图形视觉诱发电位改变。

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

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

Objective The purpose of this study was to evaluate blood gas change and survival ratio in nitrogen tetroxide ( N 2O 4) poinsoning rats after hyperbaric oxygenation ( HBO) therapy.

目的本研究旨在了解高压氧治疗对四氧化二氮（N2O4）染毒大鼠血气及存活率的影响，以探讨简便易行的N2O4中毒防治新途径。

Raman spectrum shows no nitronium ion in N_2O_4/ O_3, which demonstrates N_2O_4/ O_3 nitration aromatics is not a affinitive electronic substitution process.

Raman光谱显示N2O4/O3反应体系不存在硝酰阳离子，说明N2O4/O3硝化芳烃不是硝酰阳离子的亲电取代过程。N2O4/O3硝化苯和甲苯时，反应速率对苯和甲苯的浓度为零级、对四氧化二氮为0.5级；

Objective To establish the rat models with blast-poison compound injury with nitrous tetroxide ( N 2O 4) and unsym-dimethylhydrazine ( UDMH) and blast wave and to study the effect of blast-poison compound injury on the blood gas analysis and pathomorphological changes.

目的观察四氧化二氮（N2O4）和偏二甲基肼（UDMH）染毒复合冲击伤（冲毒复合伤）大鼠血气及病理形态学的变化。

Changes of sister chromatid exchanged frequency in bone marrow cell of mice intoxicated with nitrogen tetroxide

四氧化二氮对小鼠骨髓细胞姐妹染色单体互换频率变化的影响

Change in atrial natriuretic factor content in rats suffered from acute pulmonary edema induced by dinitrogen tetroxide

四氧化二氮致大鼠急性肺水肿时心钠素含量的变化

Studies on the changes in the blood gas in rats following blast-chemical combined injury as a result of explosion of nitrogen tetroxide

四氧化二氮和冲击波致冲毒复合伤大鼠血气变化的研究

Effect of Panaxadiol on the α 1-antitrypsin(α 1-AT) of the mice with nitric tetroxide poisoning

飞船推进剂四氧化二氮中毒损伤的研究人参二醇对四氧化二氮染毒鼠α1-抗胰蛋白酶水平的影响

Histopathological changes and expression of TGF-β 1, HSP-70 in lung tissue of mice intoxicated by nitrogen tetroxide

四氧化二氮染毒小鼠肺组织病理学改变及转化生长因子β1与热休克蛋白70的表达

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

Protective effect of arginine on the organ of mice which intoxicated with nitric tetroxide

精氨酸对四氧化二氮染毒鼠脏器功能的保护作用

Research on n_2o_4/ mmh thruster if f1 ( 0).

四氧化二氮/一甲基肼推力室研制＞0，（1一E）。

Discussion of Increase Product of Nitrogen Tetroxide

提高四氧化二氮生产能力的探讨