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optimal synthesis process
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  最佳合成工艺
     Two boric esters were synthesized through reaction of boric acid with hydroxyalkylamine and polyglycol ether respectively. The optimal synthesis process for hydroxyalkylamine boric ester is as following:n(hydroxyalkylamine):n(boric acid)=3∶1,the reaction temperature is within 120℃~130℃,the time is 2h.
     以羟烷基胺和聚乙二醇分别与硼酸反应,合成二种硼酸酯,羟烷基胺硼酸酯最佳合成工艺条件为n(羟烷基胺):n(硼酸)=3∶1,反应温度为120~130℃,反应时间为2h。
短句来源
     The optimal synthesis process for polyglycol boric ester is as following:n(polyglycol ether):n(boric acid)=3∶1,the reaction temperature is within 140℃±20℃,the time is 4h.
     聚乙二醇醚硼酸酯最佳合成工艺条件为n(聚乙二醇醚):n(硼酸)=3∶1,反应温度为140±20℃,时间为4h。
短句来源
     Diethanolamine boric ester is also synthesized and the optimal reaction conditions are reviewed. The optimal synthesis process for such amino alcohol boric ester is as follows: n (diethanol amine)∶ n (boric acid) = 3∶1, the reaction temperature is 130℃ and the reaction time is 3 hours.
     合成了二乙醇胺硼酸酯 ,并探索了反应的最佳条件 ,得到氨基醇硼酸酯的最佳合成工艺为 :n(二乙醇胺 )∶ n(硼酸 ) =3∶ 1,反应温度为 13 0℃ ,反应时间 3 h;
短句来源
  “optimal synthesis process”译为未确定词的双语例句
     1 The optimal synthesis process of 2,2-dichloro-3-dimethylamino-1,1,1-trifluoro-3-trimethylsilyloxypropane is as follows: the molar ratio of trimethyl chlorosilane, zinc powder, DMF to 1,1,1-trichlorotrifluoro ethane is 1.2:1.2:13:1;
     2 3,3,3-三氟-2,2-二氯丙醛的较佳合成工艺条件:1,1,1-三氟-2,2-二氯-3-二甲胺基-3-三甲基硅氧基丙烷与浓硫酸投料配比为1:1,室温滴加浓硫酸,50℃保温反应3h。 反应收率约87%,产品含量约95%。
短句来源
     The optimal synthesis process of oxidized starch adhesive and the significant factors to the viscosity of the adhesive were determined by means of orthogonal design. At the same time,the adhesive stability, the adhesive bio-toxicity,and its application in new type fertilizers also were studied.
     通过正交试验确定了合成氧化淀粉粘合剂的最佳工艺及对粘合剂粘度影响显著的因素,分析了粘合剂的稳定性和生物毒性,同时对其在新型肥料中的应用做了一定研究。
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Two kinds of propylene oxide polyether based on butanol and methanol and their boric esters are synthesized. Diethanolamine boric ester is also synthesized and the optimal reaction conditions are reviewed. The optimal synthesis process for such amino alcohol boric ester is as follows: n (diethanol amine)∶ n (boric acid) = 3∶1, the reaction temperature is 130℃ and the reaction time is 3 hours. Primary characteristics of the synthesized product are analyzed by IR. Two kinds of boric ester brake fluid...

Two kinds of propylene oxide polyether based on butanol and methanol and their boric esters are synthesized. Diethanolamine boric ester is also synthesized and the optimal reaction conditions are reviewed. The optimal synthesis process for such amino alcohol boric ester is as follows: n (diethanol amine)∶ n (boric acid) = 3∶1, the reaction temperature is 130℃ and the reaction time is 3 hours. Primary characteristics of the synthesized product are analyzed by IR. Two kinds of boric ester brake fluid are prepared, and the performance test results show that properties of the brake fluid reach the American DOT 4 standard.

合成了丁醇环氧丙烷聚醚和甲醇环氧丙烷聚醚两种聚醇醚 ,以及它们的硼酸酯 ;合成了二乙醇胺硼酸酯 ,并探索了反应的最佳条件 ,得到氨基醇硼酸酯的最佳合成工艺为 :n(二乙醇胺 )∶ n(硼酸 ) =3∶ 1,反应温度为 13 0℃ ,反应时间 3 h;通过IR分析对合成产物进行初步表征 ;制备出两种硼酸酯型制动液 ,对制动液的性能检测表明 ,其性能指标达到美国 DOT-4规格要求

Two boric esters were synthesized through reaction of boric acid with hydroxyalkylamine and polyglycol ether respectively.The optimal synthesis process for hydroxyalkylamine boric ester is as following:n(hydroxyalkylamine):n(boric acid)=3∶1,the reaction temperature is within 120℃~130℃,the time is 2h.The optimal synthesis process for polyglycol boric ester is as following:n(polyglycol ether):n(boric acid)=3∶1,the reaction temperature is within 140℃±20℃,the time is 4h.Under these reaction conditions,a...

Two boric esters were synthesized through reaction of boric acid with hydroxyalkylamine and polyglycol ether respectively.The optimal synthesis process for hydroxyalkylamine boric ester is as following:n(hydroxyalkylamine):n(boric acid)=3∶1,the reaction temperature is within 120℃~130℃,the time is 2h.The optimal synthesis process for polyglycol boric ester is as following:n(polyglycol ether):n(boric acid)=3∶1,the reaction temperature is within 140℃±20℃,the time is 4h.Under these reaction conditions,a high-grade brake fluid based on the two kinds of boric esters and polyglycol ether was synthesiazed.The equilibrium reflux point of the said brake fluid is 252℃,movement viscosity is 1125mm~2/s at -40℃.All the other properties reach those in GB 10830-1998 JG_4 standard.

以羟烷基胺和聚乙二醇分别与硼酸反应,合成二种硼酸酯,羟烷基胺硼酸酯最佳合成工艺条件为n(羟烷基胺):n(硼酸)=3∶1,反应温度为120~130℃,反应时间为2h。聚乙二醇醚硼酸酯最佳合成工艺条件为n(聚乙二醇醚):n(硼酸)=3∶1,反应温度为140±20℃,时间为4h。以二种硼酸酯和多乙二醇醚为主体材料,制备高级制动液,其平衡回流沸点为252℃,-40℃运动粘度为1125mm2 s,其余指标也完全达到国标GB10830—1998中JG4标准。

The optimal synthesis process of oxidized starch adhesive and the significant factors to the viscosity of the adhesive were determined by means of orthogonal design. At the same time,the adhesive stability, the adhesive bio-toxicity,and its application in new type fertilizers also were studied. The results showed the following:The viscosity of the adhesive was significantly influenced by the dosage of oxidizer and the reaction temperature. The adhesive has good stability and no bio-toxicity. The adhesive...

The optimal synthesis process of oxidized starch adhesive and the significant factors to the viscosity of the adhesive were determined by means of orthogonal design. At the same time,the adhesive stability, the adhesive bio-toxicity,and its application in new type fertilizers also were studied. The results showed the following:The viscosity of the adhesive was significantly influenced by the dosage of oxidizer and the reaction temperature. The adhesive has good stability and no bio-toxicity. The adhesive of 30mPa.s has the best granulation property.

通过正交试验确定了合成氧化淀粉粘合剂的最佳工艺及对粘合剂粘度影响显著的因素,分析了粘合剂的稳定性和生物毒性,同时对其在新型肥料中的应用做了一定研究。试验结果表明:氧化剂用量和温度对粘合剂的粘度影响显著,粘合剂的稳定性好、无生物毒性,粘度为30mPa.s的粘合剂成粒性能最好。

 
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