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And in the technological processes, such as water treatment process, alumina has been widely used as the adsorbent and catalyst carriors for the absorbability of surface.

在水处理等工业领域中,铝氧化物由于其水合表面的吸附能力而被用做离子交换剂和催化剂载体。

Among them the ultraviolet ray was the most influential.Conclusion: In order to guarantee the chloral hydrate fulfilling requirements within fixed time, It...

为确保在规定的时间内水合氯醛合剂中水合氯醛含量仍符合要求,须在规定时间内用完,避免用热水配制。

Methods The propylbridged biferrocenyl substituted pyridazinone was synthesized by the reaction of propylbridged biferrocene with ethyl succinyl chloride, and then condensed with hydrazine hydrate.

双二茂铁丙烷先与丁二酸单乙酯酰氯发生酰化反应,生成的1,4酮酸酯再与水合肼缩合得到含有双二茂铁丙烷的哒嗪酮衍生物。

Rose Marigold Floral Water delivers instantly hydrating and toning mists of pure and active rosewater.

纯净天然的玫瑰金盏花水立刻产生水合调整雾水,能一整天保护脸部皮肤。

No squalene synthase polypeptide of expected molecular mass was observed in E. coli containing the putative full-length squalene synthase cDNA, however, overexpression in E. coli was achieved by truncating 30 hydrophobic amino acids at the carboxy terminus.

但在含有全长的鲨烯合酶cDNA的大肠杆菌中并没有观察到预期大小的鲨烯合酶表达,而C末端截短30个疏水氨基酸的鲨烯合酶可在大肠杆菌中过量表达。

Three hydroxyapatite powders (HAP1, HAP2 and HAP3) were prepared by hydrolyzation process using brushite, precipitation method using calcium hydroxide and ammonium phosphate and neutralization method using calcium hydroxide and phosphoric acid, respectively. Hydroxyapatite/collagen composite was prepared by in situ precipitation method using calcium hydroxide, phosphoric acid and bovine collagen which was extracted from the fresh bovine tendons.

本研究以相关钙盐、磷酸盐为原料,分别用二水合磷酸氢钙水解法、氢氧化钙-磷酸氢二铵沉淀法和氢氧化钙-磷酸酸碱中和工艺制备了三种羟基磷灰石粉体,分别为HAP1、HAP2和HAP3;并以氢氧化钙、磷酸和从牛腱中提取的胶原为原料通过原位沉淀制备了羟基磷灰石/胶原复合材料。

Cyclopentanol was synthesized from cyclopentene and water through hydration reaction using HNb3O8·H2O/SiO2 as main catalyst and tris(dioxa-3,6-heptyl)amine (TDA-1) as cocatalyst.

在以硅胶负载铌酸为主催化剂、三(3,6-二氧杂庚基)胺为助催化剂的作用下,以环戊烯和水为原料,通过水合加成反应合成了环戊醇。

The synthesis methods of ethyl lactate catalyzed by P-toluene sulfonic acid, cationic exchange resin, ferric chloride hexahydrate, stannous chloride, Aluminium chloride, modified zirconium oxid, ferric-potassium vitriol, ammonium ferric sulfate dodecahydrate, rave earth sulfate, sodium bisulfate monohydrate, complex solid superacid, heteropoly acid, molecular sieve, ionic liquid and lipase etal.

评述了对甲苯磺酸,阳离子交换树脂,六水三氧化铁,氯化亚锡,三氯化铭,改性氧化锆,铁钾矾,十二水合硫酸铁铵,稀土硫酸盐,一水硫酸氢钠,复合固体超强酸,杂多酸,分子筛,离子液体和脂肪酶等催化剂催化合成乳酸乙酯的合成方法。

Many Pharmacopeial articles either are hydrates or contain water in adsorbed form.

药典中的某些物质可能是水合化合物也可能包含着吸附水。

The optimum reagent ions for biomolecules were found to be water or ammonia solvated protons, that is, H+(H2O)n or H+(NH3)m.

我们发现对生物分子最佳的试剂离子为水合质子 H+(H2On 或氨合质子 H+

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