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    1. aldehydes

      英[\'?ld?ha?dz]
      美[\'?ld?ha?dz]

      基本釋義

      [醫]醛

      實用例句

      Both the alcohols and aldehydes are secondary products of the oxidation.

      醇和醛兩者為氧化的次級產物.

      辭典例句

      The yields of aldehydes produced in this sequential process are comparable to the two - step method.

      用此法制得的醛,其產率與用兩步法可制得的產率不相上下.

      辭典例句

      The technique is applicable to other impurities such as aldehydes and alcohols.

      該技術可用于其它雜質,例如醛和醇.

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      REDOX Relationships amongst Alcohols , Aldehydes and Ketones and Carboxylic acids.

      醇, 醛與酮和羧酸之間的氧化還原關系.

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      These reactions are therefore used to discern between ketones and aldehydes.

      這些化學反應因此被用來區分醛類和酮類.

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      STUDIES ON THE REACTION BETWEEN ALDEHYDES AND 1, 2 - BIS ( p - TOLYL - AMINO ) ETHANE.

      醛類與1, 2- 二 ( 對甲苯胺基 ) 乙烷作用的研究.

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      Simple examples of aldehydes are methanal ( formalaehyde , HCHO ) and ethanal ( acetaldehyde , CH 3 CHO ).

      簡單的醛有甲醛(HCHO ) 和乙醛 ( CH3CHO ).

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      The technique is also suitable to synthesis of other aromatic aldehydes.

      該工藝也適用于其它芳香醛的制備.

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      Aldehydes possess anesthetic properties.

      醛類具有麻醉的作用.

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      Oxidation of aldehydes yields acids; reduction produces alcohols.

      它們很容易氧化成酸或還原成醇.

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      The bactericidal power for sulfate - reducing bacteria of fourteen aldehydes of different chemical structure is investigated experimentally.

      醛對硫酸鹽還原菌的殺菌能力與其分子結構有密切關系.

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      Six dimethylsilyl bis -- enol others of aldehydes are synthesized and the yields are good.

      合成了六個醛的二甲硅基雙烯醇醚,產率較高.

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      Using benzene as internal standard, the calibration factors of derivative of aldehydes 2,4 - dinitrophenylhydrazine ( DNPH ) were measured.

      將醛類物質與2, 4- 二硝基苯肼 ( DNPH ) 的衍生反應液直接進樣,以苯為內標物,測定了甲醛 、 乙醛等醛類物質DNPH衍生物的校正因子.

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      In the presence of acetic acid, p - anisidine reacts with aldehydes producing a yellowish color.

      在乙酸存在下, p - 茴香胺與醛類反應產生黃色.

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      This method applies for measuring aldehydes in hydrophobic adhesives with relatively low aldehydes content.

      本方法適用于分析醛類含量較低的疏水性膠粘劑中的醛類物質.

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