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- salt out by sodium hydroxide 氢氧化钠盐析
- In this paper,Raney copper catalysts were prepared from Cu-Al alloy precursors by sodium hydroxide leaching at 363K. 采用急冷技术制备铜-铝合金,然后用氢氧化钠溶液将合金展开制得骨架铜催化剂。
- METHODS Oxygen flasr combustion method was used.Hydrogen peroxide solution was used as the absorption liquid and then was titrated by sodium hydroxide. 方法采用氧瓶燃烧法,过氧化氢溶液为吸收液,用氢氧化钠滴定。
- RESULTS The special spore of P. marneffei could be found by sodium hydroxide smear of the liquid of lymphonodus puncture and Gram staining. 结果氢氧化钠涂片和革兰染色能检出马尔尼菲青霉菌所特有的孢子。
- Esterification of hemin, while the iron was removed, gave crude protoporphyrin dimethyl ester which was purified in toluene and then saponified by sodium hydroxide. 该粗品经甲苯处理纯化后,用氢氧化钠皂化得98%25以上纯度的原卟啉钠。
- Keratin solution,prepared by dissolving the wool fibers in the sodium hydroxide solution and peroxide solution,was used to threat the cotton fibers oxidised by sodium periodate. 采用氢氧化钠和双氧水溶解羊毛制得可溶性角蛋白溶液,再对经高碘酸钠选择性氧化的棉纤维进行处理。
- Montmorillonite, quartz and cristobalite can be corroded by sodium hydroxide solution, but will introduce new impurity phase similar to zeolite. 氢氧化钠溶蚀法会对蒙脱石、石英和方石英同时产生溶蚀,引入新的物相杂质。
- Purer Acetylcholinesterase was obtained through salting out by ammonium sulphate and ion exchanging. 分别采用鸡蛋膜固定化法,活化载体-共价结合法和戊二醛交联法进行酶的固定。
- The results show that the extraction rate is high by sodium hydroxide with DMSO,especially for mercaptan,the rate could reaches 95% or so. 结果表明,加助剂后脱除效果好,特别是对硫醇,其脱除率达95%25以上。
- Corn starch gelatinized by sodium hydroxide was grafted with acrylonitrile(AN) in presence of photoinitiators, benzophenone(BP) or and benzoin ethyl ether(BE), under UN-light. 由氢氧化钠成胶状的玉米淀粉在光起始剂、苯甲酮或安息香乙醚的作用下,并在紫外光照射下,与丙烯腈接合。
- METHODS Oxygen flasr combustion method was used. Hydrogen peroxide solution was used as the absorption liquid and then was titrated by sodium hydroxide. 方法采用氧瓶燃烧法,过氧化氢溶液为吸收液,用氢氧化钠滴定。
- In this paper, preparation and characterization of activated carbon from palm shell, a biomass solid waste, by sodium hydroxide (NaOH) treated at different stages were studied. 摘要利用生物质废料-棕榈壳,采用不同的浸渍方法制备高效活性炭。
- Researches of the carbon dioxide absorption by sodium hydroxide solution with the metal film in the RPB and the calculation of mass-transfer coefficient had been reported. 研究了吸收液流量、吸收液浓度、进气空气量、进气中CO2含量、旋转填充床转速和吸收液温度对气相总传质系数的影响。
- Small shop is crowded out by the big supermarket. 小商店受到大型超级市场不断排挤。
- She was tired out by these long vigils. 长期熬夜使她筋疲力竭。
- The candle was blown out by the wind. 蜡烛被风吹灭了。
- Type732 cation exchange resin was added in nickel bath to separate nickel ions and other cations, boric acid and chloride ions were then separately titrated by sodium hydroxide and silver nitrate. 采用732型阳离子交换树脂分离镍及其它阳离子后,分别用氢氧化钠和硝酸银滴定硼酸和氯离子。
- I hope you were never put out by my long silence. 我希望你不曾因为我好久不给你写信而感到担心。
- The corpse was laid out by the undertaker. 承办殡葬者准备埋葬尸体。
- After partial esterification of alkylpolyoxyethylene ether with citric acid,the reaction mixture was neutralized by sodium hydroxide to produce the salts of the partial esterification products. 将脂肪醇聚氧乙烯醚和柠檬酸进行部分酯化反应,生成脂肪醇聚氧乙烯柠檬酸酯,再中和成钠盐。