查询词典 zinc sulfate

Compared with the unloaded cerous sulfate, the multiple- walled carbon nanotube loaded cerous sulfate possessed some obvious advantages of higher catalytic activity, less use level and higher yield of n-butyl propionate.

与未担载硫酸铈相比，碳纳米管担载硫酸铈具有催化活性高、催化剂用量少、重复使用率好和丙酸丁酯得率高等显著优点。

ObjectiveTo develop the bone-implanted calcium sulfate/polylactic acid/gentamycin delivery system using composite of citrated calcium sulfate and polylactic acid as an antibiotic delivery matrix and to evaluate its biocompatibility.

局部植入型抗生素释放系统治疗骨感染具有传统治疗方法不可比拟的优点，而可降解型抗生素释放系统因载体材料可降解，抗生素释放完全，疗效好，为理想的抗生素释放系统[1]。

Cyclohexyl acetate was synthesized by oil of vitriol,ferric chloride and copper sulfate,respectively,and the influence of copper sulfate containing water and no-water for the reaction was discussed.

摘 要：分别以浓硫酸、氯化铁、硫酸铜为催化剂催化合成醋酸环己酯，考察了有无结晶水的硫酸铜对酯化反应的影响。

The results show that these sulfur gases emitted from soils were identified as products of microbial decomposition of sulfur-containing amino acids, diethyl sulfate and reduction of sulfate.

结果表明：土壤释放的含硫气体是微生物分解含硫氨基酸、硫酸酯、还原硫酸盐的产物。

To compare the therapeutic effect of treatment regimen I (gentamycin sulfate and bismuth subcarbonate capsule combined with Huaishan rice flour plus milk powder + lactolin tablets) and treatment regimen Ⅱ(gentamycin sulfate and bismuth subcarbonate capsules combined with dioctahedral smectite) to cure chronic enteritis in weaned monkeys.

比较了治疗方案Ⅰ（庆大霉素碳酸铋联合淮山米粉＋奶粉＋乳酸菌素片）和治疗方案Ⅱ（庆大霉素碳酸铋联合蒙脱石散）对断奶仔猴慢性肠炎的治疗效果。

Sulfate reducing bacteriaare strict anaerobes, which dissimilate organics using sulfate or other oxidation state sulfide as electron acceptors.

硫酸盐还原菌是利用硫酸盐或其他氧化态硫化物作为电子受体来异化有机物的严格厌氧菌。

Sulfate-reducing bacteria are widespread in the environment. SRB are obligate anaerobes and capable of dissimilatory reduction of sulfate.

硫酸盐还原菌是一类分布广泛，能进行硫酸盐异化还原反应的严格厌氧菌。

It showed that the ammonium ferric sulfate dodecahydrate was an excellent catalyst,the yield of the n-butyl lactate could reach over 95.0% under molar ratio of n-butyl alcohol and lactic acid 2.25∶1,the reaction temperature of 110～125℃,reaction time of 1.5 h and amount of the ammonium ferric sulfate dodecahydrate catalyst of 2.5%.

实验表明：NH4Fe(SO4)212H2O是合成乳酸正丁酯的良好催化剂。最佳反应条件为：醇酸物质的量比2.25∶1，催化剂的用量为反应物料总量的2.5％，酯化反应时间为1.5 h，反应温度110～125℃，酯化率可达95.0％。

The reaction conditions of synthesizingcyclohexyl acetate catalyzed with ammonium ferric sulfate dodecahydrate NH4Fe(SO42.12H2Oare studied .The yield of cyclohexyl acetate can reach 87.2% under mole ratio of aceticacid,cyclohexyl alcohol and ammonium ferric sulfate is 1∶0.44∶0.02,cyclohexane as solvent ,refluxing and segregating water for 60min.

研究了NH4Fe(SO4)2.12H2O催化合成乙酸环己酯的反应条件，当乙酸、环己醇和硫酸铁铵的摩尔比为1∶0.44∶0.02，以环己烷为溶剂，回流分水60min，乙酸环己酯收率达87.2%，在相同反应条件下，合成了甲酸环己酯(收率为68.5%)、丙酸环己酯(收率为59.4%)和丁酸环己酯(收率为21.6%)。

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。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。