英语释义

• any organic compound formed by adding alcohol molecules to aldehyde molecules

片语

amide acetal酰胺缩醛

acetal copolymer共聚甲醛

acetal group缩醛基

Acetal Polymers聚缩醛树脂

acetal plastic缩醛塑料

acetal resin[树脂] 缩醛树脂；聚甲醛树脂

acetal formation缩醛形成

acetal l缩醛

英汉例句

• the paper introduces the brief developing history of hoechst celanese corp. and its standard & specialty grades of acetal copolymer.

  公司发展简史和共聚甲醛的标準品级以及特殊品级。

• with p-toluene sulfonic acid used as catalyst and chlorobenzene as organic solvent, the reaction kinetics between phenol and acetal have been studied at room temperature.

  本文研究了以对甲苯磺酸为催化剂，氯苯为溶剂，室温附近的条件下，苯酚及对叔丁基酚与甲缩醛反应的动力学。

• specifications for particular types of winding wires - part 14 : polyvinyl acetal enamelled round aluminium wire, class 105.

  特种绕组线规范。第14部分：聚乙烯醇漆绝缘的圆铝线，等级105。

• under these conditions, the yield of butyraldehyde glycol acetal is 71.1%.

  在此反应条件下，丁醛乙二醇缩醛的收率可达71.1%。

• objective to synthesize 4-chlorobutanal acetal by improved method.

  目的改进4-氯丁醛缩醛的合成方法。

• the promotion action of ionic liquid as an accelerant in synthesizing benzaldehyde ethanediol acetal and benzaldehyde propanediol acetal was studied.

  以环己酮和乙二醇为原料，漆酚缩甲醛钕聚合物为催化剂合成了环己酮乙二醇缩酮。

• using conditional test, the isobutyraldehyde glycol acetal was synthesized from isobutyraldehyde and ethylene glycol by direct esterification using strong acidic cation exchange resin as catalyst.

  运用条件实验法，以异丁醛、乙二醇为原料，强酸性阳离子交换树脂为催化剂，合成了异丁醛乙二醇缩醛产品。

• the synthesis of furfural glycol acetal from furfural and ethylene glycol in the presence of ion exchange resin was investigated.

  本文研究了在离子交换树脂存在下，由糠醛和乙二醇反应制备糠醛缩乙二醇的工艺条件。

• butyraldehyde glycol acetal was synthesized from butyraldehyde and glycol by using iodine as catalyst.

  以单质碘为催化剂，通过丁醛和乙二醇反应合成了丁醛乙二醇缩醛。

• benzaldehyde ethylene glycol acetal was directly synthesized from benzaldehyde and ethylene glycol under microwave irradiation with cupric sulfate as catalyst.

  用无水硫酸铜作催化剂，在微波辐射下催化合成苯甲醛乙二醇缩醛。

• a kind of highly effective formaldehyde inhibitor, polyvinyl acetal was prepared from acetic acid, ethylene and acetaldehyde.

  采用醋酸乙烯酯和乙醛为原料，合成了高效甲醛阻聚剂———聚乙烯醇缩乙醛。

• the authors find that the addition of appropriate amount of acetaldehyde to replace a part of formaldehyde distinctly improves the properties of the acetal adhesive.

  作者发现，在反应中加入适量乙醛代替部分甲醛、可明显提高缩醛胶的性能。

• phenylacetaldehyde ethylene glycol acetal was synthesized with phenylacetaldehyde and ethylene glycol as raw materials in the presence of phosphotungstic acid supported on mcm-41 molecular sieve.

  以mcm-41负载磷钨酸作催化剂，对以苯乙醛和乙二醇为原料合成苯乙醛乙二醇缩醛的反应条件进行了研究。

• cyclohexanone diethyl acetal was prepared from cyclohexanone with anhydrous ethanol as reactant, ammonium chloride as catalyst, triethyl orthoformate as water scavenger.

  其制备方法是以氯化铵为催化剂，原甲酸三乙酯为解水剂，由无水乙醇和环己酮缩合合成。

• in this paper, 2,2-dimethylolbutyraldehyde was synthesized through the acetal reaction of formaldehyde and butyraldehyde, using silicotungstic acid as catalyst.

  以硅钨酸作为催化剂．催化甲醛与丁醛的羟醛缩合反应，合成2，2-二羟甲基丁醛。

• the reaction of phenol, xylene—formaldehyde resin with boric acid gets an acetal resin.

  苯酚、二甲苯缩甲醛树脂及硼酸反应生成缩醛树脂。

• this paper reports the using of molybdophosphoric acid in synthesizing heptyl aldehyde ethylene acetal and meanwhile probes into the synthesizing conditions.

  介绍了磷钼酸在乙二醇和庚醛缩合反应中的应用，探讨了乙二醇缩庚醛的合成条件。

• the yield of benzaldehyde glycol acetal was above 87.7% with zinc methanesulfonate as catalyst.

  当以甲基磺酸锌为催化剂时，苯甲醛缩乙二醇的收率可达87.7%。

• catalytic synthesis of n-butyraldehyde glycol acetal with tin tetrachioride supported on silica gel;

  用自制的磷钨钼杂多酸作催化剂，以丁醛和乙二醇反应合成了丁醛乙二醇缩醛。

• study of the effects on the acetal reaction was carefully done, and the optimum reaction conditions were found out, which was applied successfully to the reaction of furfural with hexylthiol.

  以糠醛与乙二醇的缩合为探针反应，详细探讨了影响缩醛反应的各种因素，得出糠醛与乙二醇反应的最佳条件，并成功地应用于糠醛与正己硫醇的缩合反应。

• the enanthal diethyl acetal is synthesized catalyzed by sodium bisulfate , with heptaldehyde and ethanol as raw materials.

  研究了以硫酸氢钠为催化剂，庚醛和乙醇为原料来制备庚醛二乙缩醛。

• the necessary material of 2-(2-methoethyl) acetaldehyde diethyl acetal was synthesized in addition.

  另外还合成了必需原料2-（2-甲氧基乙氧基）乙醛二乙醇缩醛。