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- sodium hydrogen phosphide 磷化氢钠
- After purification,the total content of hydrogen sulfide with hydrogen phosphide are less 10ppM in the acetylene gas. 净化后的乙炔气中硫化氢、磷化氢含量总和小于10ppm,净化效果好,安全可靠,成本低,效益好,值得乙炔站推广。
- Hydrocyanic acid, cyanogen chloride, arsine,phosgene, chloropicrin,benzol, bromcmethane,lewislte gas,toxic smoke and mist,hydrogen phosphide etc. 氢氰酸、氯化氰、砷化 氢、光气、氯化苦、苯、溴甲烷。路易氏气、毒烟、毒雾、磷化氢等。
- The condensation is effected by heating a suitable mixture of sodium hydrogen orthophosphates. 聚合可借加热正磷酸氢钠的适当混合物实现。
- By using sodium hydrogen sulfate as the catalyst,benzyl alcohol and propionic acid reacted to form benzyl propionate. 选用乙醇和水作为溶剂 ,实现亚硫酸氢钠对异氰酸酯的良好封闭。
- Using sodium hydrogen sulfate as the catalyst,butanic acid and benzyl alcohol reacted to form benzyl butyrate. 选用乙醇和水作为溶剂 ,实现亚硫酸氢钠对异氰酸酯的良好封闭。
- Sodium hydrogen carbonate should be added in portions and carefully, preventing overflow of the products from the beaker. 中和用碳酸氢钠要适量,每次加入量也不能太多否则会起泡沫溢出烧杯,造成不必要的损失。
- The influences of sodium hexametaphosphate,sodium triphosphate and sodium hydrogen phosphate on the quality of quick-frozen dumplings were studied. 选用2种有代表性的面粉通过添加六偏磷酸钠、三聚磷酸钠和磷酸氢二钠3种磷酸盐制作速冻水饺。
- This paper briefly reviwed sodium hydrogen telluride (NaTeH), as a better nucleophilic reagent and reductive agent, being used widely in organic synthesis. 本文介绍了碲氢化钠作为一种优良还原剂及亲核试剂在有机合成中的主要作用。
- Reaction of ketones with sodium diselenide and sodium hydrogen selenide under the catalysis of n-BuNH2 gave a moderate yield of diselenides in a "one-pot" fashion. 在正丁胺的催化下,酮与硒氢化钠、二硒化钠乙醇溶液通过“一锅”法反应得到了中等产率的二硒醚。
- ZHAO Hua-rong, YU Qing-sen.Bond breaking in dithiocarbarnates promoted by sodium hydrogen selenide [J].Journal of Zhejiang University (Science Edition), 2002, 29(3):308-311. [8]赵华绒;俞庆森.;硒氢化钠作用下二硫代氨基甲酸酯键的断裂[J]
- The analytical method of sodium carbonate,sodium hydrogen carbonate and total alkality in natural alkali was studied by combining nonwater titration with acid-base titration. 研究了非水滴定和酸碱滴定相结合测定天然碱中碳酸钠、碳酸氢钠和总碱度的分析方法;
- Analysis of 68 of Acute Hydrogen Phosphide Poisoning 68例急性磷化氢中毒事故调查分析
- Clinical analysis on 6 cases of acute hydrogen phosphide poisoning 急性磷化氢中毒6例临床分析
- Clinical analysis on hydrogen phosphide poisoning by inhalation 磷化氢吸入中毒临床分析
- Bis(polyglycol) maleate, which were obtained by solvent method, reacted with phthalic anhydride, then the double bond of maleic anhydride of polymer obtained with sodium hydrogen sulfite. 采用溶剂法制得马来酸双聚乙二醇酯,与邻苯二甲酸酐缩聚,用亚硫酸氢钠加成缩聚物中马来酸酐上的双键。
- Autopsy on two cases of acute hydrogen phosphide poisoning 急性磷化氢中毒两例尸检观察
- AIM To study the changes of sodium hydrogen exchanger isoform 1 (NHE 1) on bovine pulmonary artery endothelial cells with the function of lipopolysaccharide (LPS), and the relationship with endothelial cells death. 目的 :探讨脂多糖 ( LPS)对培养的牛肺动脉内皮细胞 ( PAEC) 型 Na+ /H+交换器 ( NHE-1)表达的影响及其与内皮细胞死亡的关系。
- The synthesis of acetyl salicylic acid from salicylic acid and acetic anhydride was studied with microwave radiation and sodium hydrogen sulfate as catalyst. The influential factors upon the reaction were investigated. 以水杨酸和乙酸酐为原料 ,以硫酸氢钠为催化剂 ,微波辐射合成了乙酰水杨酸 ,并考察了影响反应的因素。
- Model DTP-1 Digital Hydrogen Phosphide Concentration Analyzer DTP-1型数字式磷化氢浓度测定仪
