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neutralization reaction
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    Methods: 3,4-dimethoxyphenylethylamine was taken as the template and the title compounds were synthesized through Pictet-Spengler reaction, neutralization reaction, substitution, hydrolysis, and acylation.
    方法以3,4,5-三甲氧基苯乙胺为起始原料,经Pictet-Spengler反应、中和反应、取代反应、酸性裂解等反应合成目标化合物,并进行体外抗真菌活性研究。
短句来源
    RESULTS:Neutralization reaction not only overcame the difficulty of Rifampicin's dissolution in water,but also avoided the irritation to eyes caused by using ethanol as solvent.
    结果 :利用酸碱中和反应不但解决了利福平溶解困难和滴眼液的渗透压问题 ,还可避免以乙醇为溶剂而产生对眼睛的刺激性。
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  “neutralization reaction”译为未确定词的双语例句
    Methods: 3,4-dimethoxyphenylethylamine was taken as the template and the title compounds were synthesized through Pictet-Spengler reaction, neutralization reaction, substitution, hydrolysis, and acylation.
    方法以3,4-二甲氧基苯乙胺为原料,经Pictet-Spengler反应、碱中和、取代反应、HBr裂解反应制得目标化合物并进行体外抑菌实验和杀精实验。
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  neutralization reaction
The difference in the location of neutralization epitopes with which the two antibodies react was confirmed in the neutralization reaction by the use of mutants resistant to 4 C 4 and 4 F 2 antibody.
      
The neutralization reaction of Japanese encephalitis virus with early serum was compared with that with late serum.
      
Quantitative studies on the neutralization reaction between African horse-sickness virus and antiserum
      
In a hypertonic environment the neutralization reaction rate was reduced and equilibrium was reached at high levels of surviving virus.
      
It has been shown that the hydrolytic polymerization of the beryllium cation leads to a decrease of the solution volume compared with the neutralization reaction.
      
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OBJECTIVE:To establish a simple and rapid preparation technique of Rifampicin eye drops.METHODS:The calculating quantity of hydrochloric acid was used to dissolve Rifampicin,then the equimol quantity of potassium hydroxide was added to neutralize the acid and yield potassium chloride,whose quantity was designed according to the prescripˉtion.RESULTS:Neutralization reaction not only overcame the difficulty of Rifampicin's dissolution in water,but also avoided the irritation to eyes caused by using ethanol...

OBJECTIVE:To establish a simple and rapid preparation technique of Rifampicin eye drops.METHODS:The calculating quantity of hydrochloric acid was used to dissolve Rifampicin,then the equimol quantity of potassium hydroxide was added to neutralize the acid and yield potassium chloride,whose quantity was designed according to the prescripˉtion.RESULTS:Neutralization reaction not only overcame the difficulty of Rifampicin's dissolution in water,but also avoided the irritation to eyes caused by using ethanol as solvent.CONCLUSION:The method is well-versed in design,simple in preparation and controllable in quality.

目的 :建立一种简易、准确地制备利福平滴眼液的方法。方法 :以计算量的盐酸溶解利福平 ,然后用等摩尔量的氢氧化钾中和 ,生成处方量的氯化钾。结果 :利用酸碱中和反应不但解决了利福平溶解困难和滴眼液的渗透压问题 ,还可避免以乙醇为溶剂而产生对眼睛的刺激性。结论 :本方法设计巧妙 ,制备简单 ,质量可控。

Objective:To design and synthesize novel tetrahydroisoquinolines with anti-fungal activities. Methods: 3,4-dimethoxyphenylethylamine was taken as the template and the title compounds were synthesized through Pictet-Spengler reaction, neutralization reaction, substitution, hydrolysis, and acylation. Results: Twelve title compounds were obtained and all of them were firstly reported. Besides, all the target compounds had anti-fungal activities. The anti-fungal activities of compounds 6~8 and 10~12 were similar...

Objective:To design and synthesize novel tetrahydroisoquinolines with anti-fungal activities. Methods: 3,4-dimethoxyphenylethylamine was taken as the template and the title compounds were synthesized through Pictet-Spengler reaction, neutralization reaction, substitution, hydrolysis, and acylation. Results: Twelve title compounds were obtained and all of them were firstly reported. Besides, all the target compounds had anti-fungal activities. The anti-fungal activities of compounds 6~8 and 10~12 were similar to or stronger than that of fluconazole’s. Conclusion: Title compounds obtained in this study belong to a new type of anti-fungal agent, which deserves further study.

目的设计合成新型四氢异喹啉类抗真菌化合物。方法以3,4,5-三甲氧基苯乙胺为起始原料,经Pictet-Spengler反应、中和反应、取代反应、酸性裂解等反应合成目标化合物,并进行体外抗真菌活性研究。结果设计合成了12个新型四氢异喹啉类化合物,12个目标化合物均为首次报道。所有目标化合物均有抗真菌活性,其中化合物6~8、10~12对4种测试菌的抗菌活性均强于或相当于氟康唑。结论设计合成的目标分子是一类新型的抗真菌化合物。此类化合物具有进一步研究开发的价值。

Objective:To synthesize novel tetrahydroisoquinolines with both anti-fungal and contraceptive activities, so as to provide precursor structures for contraceptives with anit-fungal activities. Methods: 3,4-dimethoxyphenylethylamine was taken as the template and the title compounds were synthesized through Pictet-Spengler reaction, neutralization reaction, substitution, hydrolysis, and acylation. The anti-fungal activity and sperm-killing activity of the target compounds were tested in vitro. Results: Fourteen...

Objective:To synthesize novel tetrahydroisoquinolines with both anti-fungal and contraceptive activities, so as to provide precursor structures for contraceptives with anit-fungal activities. Methods: 3,4-dimethoxyphenylethylamine was taken as the template and the title compounds were synthesized through Pictet-Spengler reaction, neutralization reaction, substitution, hydrolysis, and acylation. The anti-fungal activity and sperm-killing activity of the target compounds were tested in vitro. Results: Fourteen title compounds were obtained and they were: 2-octyl-6,7-dimethyl-1,2,3,4-tetrahydro-isoquinoline hydrochloride(1), 2-nonyl-6,7-dimethyl-1,2,3,4-tetrahydro-isoquinoline hydrochloride(2), 2-decyl-6,7-dimethy-1,2,3,4-tetrahydro-isoquinoline hydrochloride(3), 2-dodecyl-6,7-dimethyl-1,2,3,4-tetrahydro-isoquinoline hydrochloride(4), 2-dodecyl-6,7-diacetoxy-1,2,3,4-tetrahydro-isoquinoline hydrochloride(5), 2-pentyl-6,7-diacetoxy-1,2,3,4-tetrahydro-isoquinoline hydrobromide(6), 2-hexyl-6,7-diacetoxy-1,2,3,4-tetrahydro-isoquinoline hydrobromide(7), 2-heptyl-6,7-diacetoxy-1,2,3,4-tetrahydro-isoquinoline hydrobromide(8), 2-octyl-6,7-dimethyl-1,2,3,4-tetrahydro-isoquinoline hydrobromide(9), 2-nonyl-6,7-dimethyl-1,2,3,4-tetrahydro-isoquinoline hydrobromide(10), 2-decyl-6,7-dimethy-1,2,3,4-tetrahydro-isoquinoline hydrobromide(11), 2-dodecyl-6,7-dihydroxyl-1,2,3,4-tetrahydro-isoquinoline hydrobromide(12), 2-tetradecyl-6,7-dihydroxyl-1,2,3,4-tetrahydro-isoquinoline hydrobromide(13), and 2-cetyl-6,7-dihydroxyl-1,2,3,4-tetrahydro-isoquinoline hydrobromide(14). Compounds 5-14 were firstly reported. It was found that all the 14 compounds had anti-fungal activity and 6 compounds also showed sperm-killing activities, with compounds 11,12 having the strongest activities. Conclusion: A group of novel compounds with both anti-fungal and contraceptive activities have been synthesized, which provide a precursor structure for developing new contraceptives with anti-fungal activities.

目的设计合成新型四氢异喹啉类化合物,寻找具有抗真菌和抗生育双重作用的化合物,为研究具有抗真菌作用的避孕药物提供先导结构。方法以3,4-二甲氧基苯乙胺为原料,经Pictet-Spengler反应、碱中和、取代反应、HBr裂解反应制得目标化合物并进行体外抑菌实验和杀精实验。结果共合成14个目标化合物,它们是2-正辛烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉盐酸盐(1)、2-正壬烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉盐酸盐(2)、2-正癸烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉盐酸盐(3)、2-正十二烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉盐酸盐(4)、2-正十二烷基-6,7-二乙酰氧基-1,2,3,4-四氢异喹啉盐酸盐(5)、2-正戊烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉氢溴酸盐(6)、2-正己烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉氢溴酸盐(7)、2-正庚烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉氢溴酸盐(8)、2-正辛烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉氢溴酸盐(9)、2-正壬烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉...

目的设计合成新型四氢异喹啉类化合物,寻找具有抗真菌和抗生育双重作用的化合物,为研究具有抗真菌作用的避孕药物提供先导结构。方法以3,4-二甲氧基苯乙胺为原料,经Pictet-Spengler反应、碱中和、取代反应、HBr裂解反应制得目标化合物并进行体外抑菌实验和杀精实验。结果共合成14个目标化合物,它们是2-正辛烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉盐酸盐(1)、2-正壬烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉盐酸盐(2)、2-正癸烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉盐酸盐(3)、2-正十二烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉盐酸盐(4)、2-正十二烷基-6,7-二乙酰氧基-1,2,3,4-四氢异喹啉盐酸盐(5)、2-正戊烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉氢溴酸盐(6)、2-正己烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉氢溴酸盐(7)、2-正庚烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉氢溴酸盐(8)、2-正辛烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉氢溴酸盐(9)、2-正壬烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉氢溴酸盐(10)、2-正癸烷基-6,7-二甲氧基-1,2,3,4-四氢异喹啉氢溴酸盐(11)、2-正十二烷基-6,7-二羟基-1,2,3,4-四氢异喹啉氢溴酸盐(12)、2-正十四烷基-6,7-二羟基-1,2,3,4-四氢异喹啉氢溴酸盐(13)、2-十六烷基-6,7-二羟基-1,2,3,4-四氢异喹啉氢溴酸盐(14),其中化合物5~14均未见文献报道。实验结果显示,所有目标化合物均有抗真菌活性,6个目标化合物具有抗真菌和抗生育双重作用,其中化合物11、12的活性最强。结论发现一类具有抗真菌和抗生育双重作用的新型四氢异喹啉类化合物,为研究开发具有抗真菌活性的避孕药提供了先导结构。

 
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