查询词典 patho-amine
- 与 patho-amine 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A stable self-emulsified system was obtained after neutralization of triethyl amine.
经三乙胺中和后可以得到稳定的自乳化体系。
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The influence of triethyl amine on emulsion properties and variation of phase behavior is studied through particle size analysis, viscosity and mechanical performance determination.
通过粒径分析、黏度测定、力学测试等手段,研究了三乙胺对乳液性能和相行为变化等的影响。
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Catalyzed by triethyl amine , vitamin E succinate was synthesized with vitamin E and succin-ic anhydride.
以三乙胺为催化剂、维生素E和琥珀酸酐为原料合成维生素E琥珀酸单酯。
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Directed against disadvantages existing in the conventional process and an improved process on the basis of test, a continuous recovery process of triethyl amine in producing glyphosate was proposed, realizing continuous neutralization and rectification of mother liquor, and was applied successfully in recovery of triethyl amines in producing 5 000 t/a of glyphosate for Fujian Sannong Group Co.
针对早期的三乙胺回收工艺和在小试基础上改进的回收工艺的缺点,提出了一种三乙胺连续回收工艺,实现了母液连续中和分层及精馏,并将此工艺成功地应用于福建三农集团公司5 000 t/a草甘膦生产过程的三乙胺回收中。关键词:草甘膦;三乙胺;重力层析器
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The results show that Irgacure1000 is preferable in the system and the rate is highest when the amount of Irgacure1000 is 3%;the drying condition has a considerable impact on the rate ; it decreases with the increase in neutralization degree;when NaOH is used as neuralization agent,the rate at the later period is higher than that when triethyl amine used; the structure of polymer has a certain effect on the rate and it accelerates with the increase in the ratio of PBA/DMPA and HEAD/DMPA.
结果表明,本体系优选光引发剂Irgacure1000的质量分数为3%时固化速度最快;干燥条件对光固化速度有很大的影响;随着中和度的提高,固化速度下降;用NaOH作为中和剂时,后期固化速度快于用三乙胺;聚合物结构对固化速度有一定的影响,随着PBA/DMPA和HEA/DMPA比例的提高,固化速度加快。
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The title compounds were synthesized by the reaction of symmetric N , N '-diarylthioureas with hexylamine in the presence of triethyl amine,and the intermediate N , N '-diarylthioureas were formed by the direct reaction of carbon disulfide and arylamines.
首先采用二硫化碳与胺直接反应得到对称的N, N'-二芳基硫脲,然后在三乙胺存在下与环己胺反应得到1-环己基-3-芳基硫脲。产物结构经核磁共振和质谱分析确证
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Its main ingredient is "trimeric amine hydrogen", the English called "melanine".
其主要成份是&三聚氢胺&,其英文名为&melanine&)。
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Triphenylmethyl chloride can react selectively with the 30-hydroxil group of glycyrrhetol under the catalyzing effects of three ethyl amine and dimethyl amino-pyridine.This condition of the reaction has an important value for the selective protection of 30-hydroxil group of glycyrrhetol.
三苯氯甲烷在三乙胺和二甲氨基吡啶等碱性催化下与甘草萜醇的C30-位羟基进行选择性缩合反应,此反应产率较与C3-位羟基化反应的要高,此种反应条件在甘草萜醇C30-位羟基的选择性保护中具有重要的价值。
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New compounds of the type of unsymmetrically substituted ureas are synthesized by a series of reactions of preparing organic isocyanates by Curtius rearrangement with aromatic amine.
以3 苯基 2 丙烯酸为原料,用Curtius重排的方法合成异氰酸酯,直接与芳香胺作用,合成了5 种N 取代苯基 N′苯丙烯基脲类化合物。
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At last,a convergent and general protocol to marine natural product,as demonstrated by the enantioselective total synthesis of malyngamides O,P,Q,R, 5"-epi-Q and 5"-epi-R bearing terminal vinylic chloride structure,was developed in detail.E,(7S)-7-methoxytetradec-4-enoic acid was prepared using the above described Johnson-Clainsen rearrangement,the terminal vinyl chloride was constructed using Wittig reaction as key step,the pyrrolidone derivative was constructed using L-serine as natural chiral pool.Starting from the synthesis of malyngamides O and P to explore the general route,an aldol reaction of methyl acetate with the vinyl chloride part in the presence of LDA gave the skeleton of amine portion,followed by amidation with the fatty acid finished the synthesis of malyngamide P.
先以malyngamides O和P为试点探索通用合成路线,将乙酸甲酯和烯氯部分在LDA存在下进行aldol反应得到氨部分的骨架,再将手性不饱和脂肪酸和氨部分进行酰胺化反应完成了malyngamide P的合成,将P在碱性条件下进行烯醇甲基化反应完成了malyngamide O的全合成。
- 推荐网络例句
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Pradeep Indulkar, a senior official at the Maharashtra state Home Ministry say 101 human were killed and 287 injured.
马哈拉施特拉邦内政部高级官员Pradeep Indulkar称,有101人在冲突中丧生,287人受伤。
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Mark Frei, a senior vice president of West, says 80% of West's homeagents have some college education, compared with 30% of those whowork in office-based call centers.
Frei说,该公司80%在家办公的人员都拥有本科学位,而在公司电话中心工作的人中只有30%拥有本科学位。
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Based on the application of grey forecasting control theory on the hybrid d cable-stayed bridge, the paper puts forward construct control system of the hybrid cable-stay bridge by cantilever assemble construction.
将灰色系统理论和预测控制理论应用于混合梁斜拉桥,提出了悬臂拼装施工的混合梁斜拉桥施工控制体系。