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1)  hydrazine hydrate
水合联氨;水合肼
2)  hydrazine hydrate
水合联氨
1.
Superfine silver powder was prepared by water-hydrazine hydrate chemical reduction method.
介绍了电子浆料用超细银粉的研制,采用的是水合联氨化学还原工艺。
2.
The cobalt (Co) powder is prepared under a direct reduction process in hydrazine hydrate alkaline system and the thermodynamic mechanism is investigated.
对水合联氨溶液直接还原法制备金属钴粉作了热力学分析并进行了实验研究,采用EDTA容量滴定分析法、X射线衍射分析(XRD)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)对钴粉的纯度、形貌、粒度及晶型进行分析表征,结果表明:在氯化钴溶液体系中,以水合联氨为还原剂,硼氢化钾为晶核引发剂,柠檬酸钠为络合剂,可制备纯度为99。
3)  reduction [英][rɪ'dʌkʃn]  [美][rɪ'dʌkʃən]
水合联氨
1.
Based on reduction process in liquid phase with hydrazine hydrate,the preparation conditions of nano-copper-nickel alloyed powder,such as the temperature,the concentration of reduction,the concentration of reactant,the pH value,have been investigated.
在液相水合联氨还原法工艺基础上,通过改进工艺,制备出平均粒径为90 nm、黑色无定形的纳米级Cu-Ni合金,研究了该工艺优化的还原反应条件:反应体系温度70℃,还原剂浓度[N2H4。
4)  hydrazine [英]['haidrəzi:n]  [美]['haɪdrə,zin]
水合联氨
1.
Uultrafine Ag -Pd alloy powders have been directly reduced using hydrazine in a silver nitrate and palladium nitrate solution.
研究了以水合联氨作还原剂,从硝酸银和硝酸钯溶液中直接还原出Ag-Pd合金超细粉末。
5)  hydrazine [英]['haidrəzi:n]  [美]['haɪdrə,zin]
水合肼
1.
Effect of lanthanum dopant Ni/γ-Al_2O_3 catalyst prepared by hydrazine reduction on hydrogenation activity;
镧助剂对水合肼还原的Ni/γ-Al_2O_3催化剂加氢性能影响
2.
Electroless nickel plating bath in which hydrazine was used as reaction initiator,hydrazine and sodium hypophosphite were used as the reducing agent,was studied.
铜上化学镀Ni-P合金通常需要用钯催化剂或其它无钯催化剂催化后才能施镀,研究了利用水合肼为引发剂,以水合肼和次磷酸钠为还原剂的化学镀Ni-P合金液,在铜箔上直接施镀,铜箔无须镀前催化。
3.
Cu-Ag bimetallic powders whose grain size was similar to the copper powders,were prepared by reduction reaction with hydrazine as the reducing agent by means of inhibiting substitution reaction.
反应体系中引入强还原剂水合肼,通过反应条件的控制抑制置换反应,使银氨溶液优先发生液相还原反应,制备了与原铜粉粒径和形貌大致相同的铜-银双金属粉;采用XRD、EDX、激光粒度分析仪等检测方法对包覆双金属粉的晶相组成及含量、表面包覆层相组成及含量以及粒径分布等加以研究。
6)  hydrazine hydrate
水合肼
1.
Preparation of ultrafine copper powder with hydrazine hydrate as reducing agent;
水合肼为还原剂制备超细铜粉的研究
2.
Improvement on units of crude hydrazine hydrate refining procedure;
粗水合肼精制工序的装置改进
3.
Research on expansion examination of ammonia removal by heat method of hydrazine hydrate by-product salt slag;
热法除水合肼副产盐渣中氨的扩试研究
补充资料:水合联氨
N2H4·H20
    无色透明液体。有独特臭味。密度1.03g/cm3。熔点-40℃。沸点118.5℃。引火点73℃。与水、醇混溶,不溶于氯仿和醚。与氧化剂接触,会引起自燃自爆。具有强碱性、强还原性、强渗透性和强腐蚀性。剧毒!
    应用  医药工业用于制造长效磺胺药等。塑料工业用于制造AC发泡剂。染料工业用于制备中间体。冶金工业用作稀有元素的分离剂和用于制造高纯度的金属。国防工业中高浓度的水合肼溶液可作为火箭燃料、炸药。感光工业用作显影剂。无机工业用作溶剂,有机工业用作抗氧剂、还原剂。水处理中用作锅炉用水脱氧剂。电镀工业用作三废处理的还原剂。分析化学中用作还原剂、沉淀剂和测定卤素或硝基的碱液。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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