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順酐的英文

讀音:   用"順酐"造句
  • maleic anhydride

例句與用法

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  1. - test method for color of maleic anhydride and phthalic anhydride in the molten state and after heating platinum - cobalt scale
    熔融狀態下和加熱后順酐和苯酐顏色的試驗方法
  2. With phosphato - tungstic acid as catalyst and phosphoric acid as dehydrant , n - phenylmaleimide was prepared from aniline and maleic anhydride by two - step method . the yield was 88 . 7 % and the purity was 98 . 2 %
    順酐和苯胺為原料,磷鎢酸作催化劑,磷酸作脫水劑,采用兩步法制得n -苯基馬來酰亞胺,得到最佳反應工藝條件,產品收率為88 . 7 % ,純度為98 . 2 % (質量分數) 。
  3. Maleic anhydride is a white needle - like , briquette or flaky crystalline with irritant odour and sour , inflammable and sublimating . it can be freely dissolved in water to form maleic acid . it has a specific density of 1 . 480 , a melting point of 52 . 85
    順酐(又稱馬來酸酐)為無色針狀或片狀結晶,有刺激性氣味與酸味,易燃,升華,易溶于水生成順丁烯二酸,相對密度為1
  4. This paper present the investigation of catalytic activities of strong acid cation exchange resin , perfluoro sulfonic acid resin and solid super acid to the esterification of maleic anhydride . the optimal technical condition were found using d001 - cc cation resin
    研究了強酸性陽離子交換樹脂等幾個固體酸催化劑對順酐乙酯化反應的催化活性.選擇了用陽離子交換樹脂為催化劑的最佳工藝條件
  5. In this paper some discussion of relative researchs about maleic anhydride synthesis and it ' s ramification are given . these researchs are of important significance for our chemical industry to get out of difficult position and have a long - term development
    本文綜述了順酐合成工藝的發展概況及順酐下游產品的開發與利用,對國內圍繞順酐合成及其衍生物的相關研究課題做了討論,這些課題對我國有機化工行業的長遠發展有著重要的意義。

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