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The hydrazine sulfate has been prepared by the hydrazine hydrate. 首先用尿素氧化法制备水合肼,然后加入浓硫酸得产物硫酸肼。
Abstract: The reaction of methyl ethyl ketazine and water to hydrazine hydrate was studied in the catalyst conditions. 摘要：以丁酮连氮和去离子水为原料，研究了在催化剂条件下丁酮连氮水解制水合肼的不同工艺条件；
Some informations on foreign production of hydrazine hydrate and anhydrous hydrazine are provided. 提供了国外近期有关水合肼和无水肼生产信息。
This review describes the property, preparationuse, present situation and development of hydrazine hydrate. 本文介绍了水合肼的性能制备、应用、现状与发展趋势。
The K、Na in hydrazine hydrate are determinated by Flame Photometry, Ca、Mg are determinated by Flame atomic absorption spectrometry. 采用水浴蒸发方法将水合肼主体除去,火焰光谱法测定钾、钠,原子吸收法测定钙、镁。
The new technology also fixes hydrazine hydrate inside the fuel tank to ensure its safe use as a fuel, resulting in no CO2 emissions at all. 新技术在油箱中加入联氨水化合物，保证燃料使用安全及完全没有CO2废气排放。
Conclusion The reduction method with hydrazine hydrate has the advantages of mild condition,reproducibility and higher yield. 结论水合肼还原法具有反应条件温和、重复性好,产物易分离提纯、转化率较高的优点。
Nanometer copper powders were prepared from acidic waste etching solution containing copper using hydrazine hydrate as a reductive agent. 以酸性蚀刻废液为铜源,水合肼为还原剂,采用液相还原法制备纳米铜粉。
Our main products are hydrazine hydrate, pyrazole, 3-aminopyrazole, 1-methylpyrazole, 5-amino-1-methylpyrazole and so on. 主要产品有：水合肼、吡唑、丙二酸单乙酯、丙二酸单乙酯酰氯、3-氨基吡唑、1-甲基吡唑、5-氨基-1-甲基吡唑，等农药或医药中间体。
The hydrazinecarbothioamide was prepared from hydrocyanic acid, hydrazine hydrate, and sulphur. The total yield is over 80%. 摘要介绍了以氢氰酸、水合肼、硫磺为主要原米制备氨基硫脲的工艺过程，探讨了合成工艺条件，反应总收率在80%25以上。
Ultrafine copper powder was prepared using hydrazine hydrate as reducing agent and ammonia water as the complexing agent. 以氨水作为络合剂,使用水合肼作为还原剂制备超细铜粉,通过正交实验确定最优工艺。
Methyl hydrazine and hydrazine hydrate in reaction mixtures from the preparation of methyl hydrazine were determined by Gas Chromatography. 建立了甲基肼合成液中甲基肼、水合肼含量的气相色谱分析方法。
Preparation of hydrazine and hydrazine hydrate is described, application of hydrazine and its derivatives to area of fine chemicals, e, g, pharmaceuticals. 介绍了肼及水合肼的制备方法，着重介绍了肼及其衍生物在医药等精细化工领域中的应用。
A multi-metal alloy catalyst for hydrogenation of acetonitrile to ethylamine was prepared using hydrazine hydrate and potassium borohydride as the co-reductant. 以水合肼和硼氢化钾为共还原剂制备了多元合金催化剂,将其用于乙腈催化加氢反应制乙胺。
Dirithromycin was synthesized in overall yield of 26.5% by condensation of erythromycin with hydrazine hydrate, reduction and condensation with 2 methoxyethoxyacetaldehyde. 以红霉素为起始原料;经与水合肼缩合;硼氢化钠还原;然后与甲氧基乙氧基乙醛缩合;制得地红霉素;总收率26.;5%25。英文翻译;英语:
This paper mainly introduces hydrazine hydrate as raw material to synthesize herbicide, insecticide and fungicide, and the optimum process of preparing in agrochemicals. 主要介绍了以水合肼作为原料在合成除草剂、杀虫剂、杀菌剂上的最新应用以及合成路线的优化。
This review outlines the reduction methods of nitro-aromatic compounds, including catalytic hydrogenation reduction, hydrazine hydrate reduction, and carbon monoxide reduction. 对主要方法-催化加氢还原法、水合肼还原法、一氧化碳还原法进行了评述。
The industrial application of hydrazine hydrate and downstream products, and its reaction speciality in the process of downstream products synthesis were discussed. 阐述了水合肼的工业应用和下游产品,对水合肼在合成下游产品过程中的反应特性作了扼要的论述。
By using s-methyl-sio-thiourea sulfate and hydrazine hydrate etc. aminoguanidin bicar-bonate was synthesized and the improved method for aminoguanidin bicarbonate was put forward. 以甲基异硫脲硫酸盐,水合肼等为原料来合成氨基胍碳酸氢盐,并对其合成方法进行改进。
The research and development progress of methods for preparing anhydrous hydrazine and methods for purifying hydrazine hydrate and anhydrous hydrazine is also introduced. 介绍了无水肼制备方法研发进展;还介绍了水合肼和无水肼提纯方法研发进展;