查询词典 aluminium ammonium sulfate

The present invention adopts the technical proposal of adopting ZSM-5 mesoporous molecular sieve raw powder with a silicon-aluminum mol ratio SiO2Al2O3 of 20 to 1000 and a weight percentage of 20 to 100 percent as well as at least one caking agent selected from SiO2, clay and Al2O3 to extrude, tablet or spray into shape; then treating for 1 to 8 hours by 0.1 to 3 mol/l of at least one ammonium liquor from ammonium nitrate, ammonium chloride or ammonium sulphate or 0.1 to 8.5 mol/l of at least one acid liquor from muriatic acid, nitric acid, vitriol or acetic acid under a temperature of 20 to 90 DEG C; then using steam to treat for 2 to 15 hours under the temperature condition of 400 to 700 DEG C; using a liquor of 0.1 to 3mol/l selected from at least one of oxalic acid, citric acid or maleic acid under a temperature condition of 20 to 90 DEG C to dip for 2 to 5 hours to obtain the modified molecular sieve catalyst, thus better solving the problems.

本发明通过采用硅铝比SiO2/Al2O3为20～1000重量百分比计20～100％的ZSM-5介孔分子筛原粉与余量的选自SiO2、粘土或Al2O3中至少一种粘结剂挤条、压片或喷球成型；再经过0.1～3摩尔/升选自硝酸铵、氯化铵或硫酸铵中的至少一种铵溶液或0.1～8.5摩尔/升选自盐酸、硝酸、硫酸或乙酸中的至少一种酸溶液在温度20～90℃下处理1～8小时；然后在温度为400～700℃条件下水蒸汽处理2～15小时；再用0.1～3摩尔/升选自草酸、柠檬酸或马来酸中至少一种在温度为20～90℃条件下浸渍2～5小时得所需改性分子筛催化剂的技术方案较好地解决了该问题，可用于甲醇转化制丙烯的工业生产中。

Raman spectrum of saturated aqueous solution of ammonium dimolybdate crystal was recorded, and compared with those of ammonium dimolybdate crystal , ammonium heptamolybdate crystal, saturated aqueous solution of ammonium heptamolybdate crystal and monomolybdate anion in aqueous solution respectively.

记录了常温下二钼酸铵晶体饱和水溶液的Raman光谱，并分别与二钼酸铵晶体、仲钼酸铵晶体、仲钼酸铵晶体饱和水溶液、水溶液状态下单钼酸根离子的Raman光谱进行了比较研究。

Results show that clicyclohexyl ammonium decanoate has the best inhibiting effect in neutral water and dicyclohexyl ammonium hexylate, dicyclohexyl ammonium octoate and dicyclohyxyl ammonium decanoate are good inhibitors of iron and steel in hydrochloric acid.

研究结果表明，十个碳的二环已胺在中性水中具有最好的缓蚀效果。已酸、辛酸及癸酸十二烷胺等是盐酸溶液中钢铁的优良缓蚀剂。

The bioassay results showed that the quaternary ammonium salt had a good intihtion against typical microorganisms such as heterotrophic bacteria,ammonifying bacteria,denitrifying bacteria and nitrosation bacteria with its inhibition rate was above 90%. Inhibition of the quaternary ammonium salt to fungi and sulfate reducting bacteria was above 85% after 30 min. Inhibition of the quaternary ammonium salt to black mold was about 84% after 30 min,and the to algae was totally inhibited after 24 h.

高分子抗菌杀生剂的抗菌灭藻性能的检测结果表明，作用30 min对贵阳市雅河水中的异养菌、氨化细菌、反硝化细菌、亚硝化细菌的杀菌率在90%以上，真菌、硫酸盐还原菌的杀菌率在85%以上；对黑曲霉的杀菌率在84%，其作用24 h可将小球藻基本杀灭。

Therefore, ammonium sulfate and PDMDAAC are selected as the dispersion medium and dispersant respectively, in order to obtain products with preferable fluidness. Studies show that, for ammonium sulfate, the optimum dosage is 27%-29%, and PDMDAAC is 10%-18%.

故选择硫酸铵与PDMDAAC分别作为盐水介质中CPAM分散聚合的分散介质与分散剂，并确定了硫酸铵最佳用量为聚合体系质量的27%~29%，PDMDAAC最佳用量为单体质量的10%~18%，该条件下制得的产品具有较好的流动性。

Test of electrochemical methods Benzylidene acetone, formaldehyde, compound additive D, ammonium metavanadate solution of acid sulfate tin polarization curves, test ammonium metavanadate on the open circuit potential acid sulfate solution of tin.

用电化学工作站测试分析苄叉丙酮、甲醛、复合添加剂D、偏钒酸铵对酸性硫酸盐镀锡溶液的极化曲线的影响，测试偏钒酸铵对酸性硫酸盐镀锡溶液开路电位的影响。

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%)。

Phosphogypsum reacts with ammonium hydrocarbonate at 5-30℃ to obtain ammonium sulfate solution,then the solution reacts with potassium chloride at 30℃ with adding an organic solvent to produce potassium sulfate.

介绍了由磷石膏制硫酸钾的新工艺：磷石膏与碳酸氢铵在 5 - 30℃下反应，得硫酸铵溶液，该溶液与氯化钾在 30℃左右反应，并添加一种有机溶剂，得硫酸钾。

The synthesis methods of dibutyl succinate catalyzed by p-toluene sulfonic acid, amino sulfonic acid,strongly acidic cationic exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate, copper sulfate , ammonium ferric sulfate dodecahydrate, titanium sulfate, sodium bisulfate monohydrate,and solid super acid et al were reviewed.

本文评述了对甲苯磺酸、氨基磺酸、强酸性阳离子交换树脂、六水三氯化铁、五水四氯化锡、十二水合硫酸铁铵、硫酸钛、一水硫酸氢钠和固体超强酸等催化剂催化合成丁二酸二丁酯的方法。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48