protective effects of vitamin e on pulmonary edema induced by dinitrogen tetroxide

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。

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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。

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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。

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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。

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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。

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( y, gd) 2o3: eu phosphors were prepared by the complex precipitation processing using the mixture of ammonium water and ammonium hydrogen carbonate as complex precipitant.

报道了一种采用氨水和碳酸氢铵的混合溶液作为复合沉淀剂来制备（Y，Gd）2O3：Eu发光粉体的新工艺。

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, ltd. adopted suitable ph buffering ( agents) to stabilize the ph value of polymerization system. through comparing the influences of several ph buffering agents on the quality of pvc resin, it was regarded that ammonium hydrogen carbonate was the ideal ph buffering agent.

济宁中银电化有限公司采取加入合适的pH值缓冲剂的方法来稳定聚合反应体系的酸碱度，并比较了几种pH值缓冲剂对PVC树脂质量的影响，认为碳酸氢铵是理想的pH值缓冲剂。

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it is found that the concentration of nitric acid has great effect on reclaiming rate of lead in the processing of nitric acid leaching-lead deposition after investigating the preparation of tribasic lead sulphate from bismuth waste residue by ammonium hydrogen carbonate transformation method.

通过对铋冶炼浸渣采用碳酸氢铵转化法合成三碱式硫酸铅的工艺研究，得出在硝酸浸出&硫酸沉铅工艺过程中影响铅回收率的主要因素为硝酸质量浓度。

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the influence factors including the amount of ammonium hydrogen carbonate and acetic acid, reaction time, the ratio of liquid-to-solid on converting rate of lead in the processing of ammonium hydrogen carbonate transformation have been studied in detail.

探讨了铋冶炼浸渣采用碳酸氢铵转化过程中，碳酸氢铵与浸渣配比、碳酸氢铵及醋酸加入量、反应时间、液固质量比等因素对铅的转化率的影响。

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the processing principle for the preparation of tribasic lead sulphate from bismuth hydrometallurgy waste residue by ammonium hydrogen carbonate transformation-nitric acid leaching-lead deposition with sulphuric acid-sodium hydroxide synthesis is introduced.

介绍了铋冶炼浸渣采用碳酸氢铵转化硝酸浸出硫酸沉铅氢氧化钠反应合成三碱式硫酸铅的工艺原理。

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the orthogonal experiment for ammoniating rice straw at elevated temperature was arranged in a small ammoniation oven with ammonium hydrogen carbonate as ammoniating agent.

该文利用碳酸氢铵作氨源在高温氨化炉内对稻草进行了正交氨化试验研究。

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gd3ga5o12 ( ggg) precursor was synthesized by a co-precipitation method using ammonium hydrogen carbonate as precipitator.

用碳酸盐作沉淀剂，采用无机体系共沉淀法制备了钆镓石榴石Gd3Ga5O12（GGG）前驱体。

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the present status of ammonium hydrogen carbonate-base complex fertilizer and problems waiting for being solved

碳铵基复混肥现状及有待解决的若干问题

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ammonium hydrogen carbonate for industrial use

GB/T6275-1986工业用碳酸氢铵

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ammonium hydrogen carbonate for industrial use determination of total alkalinity volumetric method

GB/T6276.1-1986工业用碳酸氢铵总碱度的测定容量法

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red phosphor al2o3: eu was prepared by co-precipitation method using mixture of ammonium hydrogen carbonate and ammonium water as complex precipitator.

用碳酸氢铵和氨水混合溶液作为复合沉淀剂制备了Al2O3：Eu红色荧光粉体。

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ammonium hydrogen carbonate for industrial use determination of arsenic content silver diethyl dithiocarbamate photometric method

GB/T6276.7-1986工业用碳酸氢铵砷含量的测定二乙基二硫代氨基甲酸银分光光度法

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ni-zn ferrites were prepared with the citrate precursor by self-combustion technique, using ferric citrate or ferric nitrate, nickel nitrate, zinc nitrate, citric acid as the starting materials.

以柠檬酸铁或硝酸铁、硝酸锌、硝酸镍和柠檬酸为原料，利用溶胶直接自蔓延燃烧反应成功制备了尖晶石结构的Ni Zn铁氧体粉末。

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the post-derivatization solution was ferric nitrate solution containing perchloric acid, and flow was 0.25 ml/ min.

柱后衍生溶液为含有高氯酸的硝酸铁溶液，流速为0.25mL/min；

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large-scale synthesis of isolated mn_2o_3 nanotubes/ fibers with ferric nitrate as catalyst

硝酸铁为催化剂大量制备离散Mn2O3纳米管/纤维

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