英汉词典

1.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%。

2.Among the more important are nylon, acetal resins, polycarbonate resins, and ABS resins.

较重要的有尼龙、缩醛树脂、聚碳酸酯树脂和ABS树脂。

3.Synthesis of benzaldehyde ethylene glycol acetal under microwave irradiation catalyzed by sulfate;

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。

4.Various aromatic diacids and various divinyl ether compounds are heated to react in organic solvent to obtain novel ester acetal polymers.

各种芳香二酸和各种二乙烯基醚化合物在有机溶剂存在下加热反应得到新型的酯缩醛聚合物。

5.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。

6.OBJECTIVE To synthesize 4-chlorobutanal acetal by improved method.

目的改进4-氯丁醛缩醛的合成方法。

7.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%。