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m-xylene中文是什么意思

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用"m-xylene"造句"m-xylene"怎么读"m-xylene" in a sentence

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  • 间二甲苯

例句与用法

  • Study of the purification of m - xylene and m - toluic
    间二甲苯和间甲基苯甲酸分离提纯工艺的研究
  • Adsorption characteristics of catalysts used for ammoxidation of m - xylene to isophthalonitrile
    工业用间二甲苯氨氧化催化剂的表面吸附特征研究
  • These samples were then sent to the government laboratory for testing on the concentration of benzene , toluene and m - xylene in the goods
    测试结果显示,五款样本中的其中一款在拆封当日被验出苯成份为每公斤计0
  • Toluene and m - xylene are not cancer - causing substances . their effects on health depend on the level one is exposed to and the duration of exposure
    甲苯和间二甲苯并非致癌物质,对人体影响需视乎个人处于甲苯和间二甲苯成份的水平和时间。
  • Standard test method for determination of benzene , toluene , ethylbenzene , p m - xylene , o - xylene , c9 and heavier aromatics , and total aromatics in finished gasoline by gas chromatography
    气相色谱法测定精炼汽油中苯甲苯苯乙烯对间-二甲苯邻二甲苯c9重芳烃和全部芳烃的标准试验方法
  • The government chemist conducted the tests again on the seventh day after unpacking the samples . it did not detect benzene , toluene and m - xylene in all the five models of plastic mats
    政府化验所在样本拆封七日后再测试该五款样本,结果显示五款样本均没有验出苯、甲苯和间二甲苯成份。
  • The order of biochemical property is toluene better than m - xylene , m - xylene better than benzene , benzene better than p - xylene , p - xylene better than ethylbenzene and ethylbenzene better than o - xylene
    实验条件下生化降解难易顺序是:甲苯间二甲苯苯对二甲苯乙基苯邻二甲苯。
  • As to the separation of p - xylene / m - xylene , in order to blend polymer hydrophobe with p - cd which is preferential to adsorb p - xylene , etherified p - cd was synthesized using benzyl chloride ( phch2cl ) . the influences of etherification conditions on the reaction conversion and the degree of substitution of etherified p - cd were investigated . the reaction conversion increases with the increasing of molar ratio of phcr ^ cl : p - cd and the concentration of p - cd
    对于px mx体系的分离,为使对px具有优先络合能力的一环糊精( cd )能够与油溶性高分子共混,本文采用williamson合成法运用氯化苄( phch _ 2cl )使-环糊精( - cd )醚化,并由元素分析结果,计算出醚化产物的取代度和转化率,系统地考察了反应条件对转化率和取代度的影响。
  • The substitution of pervaporation for traditional separation in organic mixtures is of energy - saving and environment - protecting significance . in this paper , pervaporation of two kinds of organic mixtures is investigated : one is using ca membrane and ca - eva ( ethylene - co - ethylene acetate ) composite membrane for methanol removal from mtbe ( methyl t - butyl ether ) , focused on the influence of casting solvent mixtures ; the other is utilizing proper membrane stuff and additive to separate p - xylene from m - xylene
    本文对两类有机有机混合体系进行了渗透汽化膜过程的研究,其一为醋酸纤维素( ca )膜及ca -乙烯醋酸乙烯共聚物( eva )复合膜用于甲基特丁基醚( mtbe )中少量甲醇( 5 meoh )的脱除,探讨铸膜混合溶剂及后处理技术对膜分离性能的影响。其二为运用适当的膜材料及添加剂去除间二甲苯( mx )中的少量对二甲苯( 10 px ) 。
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