以下为句子列表:
英文: Abstract: Synthesis of 3,3’-dinitrochalcone under ultrasound irradiation using K2CO3 catalyst was reported in this article. This method have advantage of convenient operation, short reaction time and high yield.
中文: 作者简介:王维(1976-),男,回族,安徽全椒人,硕士研究生,主要从事高分子功能材料方面的合成与应用研究。
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英文: Based on orthogonal test, the factors influencing the synthesis of di-n-propyl phosphite, such as reaction temperature, reaction time and molar ratio of reactant, were investigated.
中文: 通过正交优化试验,考察了温度、时间和物料配比对二正丙基亚磷酸酯的合成收率的影响。
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英文: Factors influencing the reaction yield were studied, such as ratio of reagents, reaction temperature, reaction time and solvents.
中文: 研究了反应物配比、反应温度、反应时间和溶剂对合成反应收率的影响。
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英文: In the paper, the composition of water-soluble polyurethane grouting was presented, The influence of the drying conditions and reaction time and temperatures for some property of the polyurethane grouting have been studied.
中文: 摘要研究了水溶性聚氨酯灌浆材料中多异氰酸酯与聚醚多元醇原料的选择,聚醚的脱水条件,反应温度与时间,以及稳定剂及增塑剂对浆材性能的影响。
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英文: Compared with the solvent or soxhlet extraction, microwave extraction reduced the extraction time from h or h to 00 s and increased extraction rate from 9.0% or 7 .% to 97.%, respectively.
中文: 与溶剂提取法和索氏提取法相比,微波提取虎杖色素的每次提取时间分别由h和h减小为 00s,提取率分别从9.0%和7 .%增加到97.%。
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