查询词典 benzaldehyde

Both benzoic acid and benzaldehyde are important organic raw materials in the industry.

苯甲酸和苯甲醛是工业上重要的有机化工原料。

On the basis of this process, better results were obtained by using benzaldehyde in place of benzophenone and improving process conditions.

在此合成工艺的基础上，以苯甲醛代替二苯甲酮，同时改变相关的工艺条件对实验方案进行改进，取得了较好的实验结果。

Likewise, benzaldehyde 11 is reduced to benzyl alcohol 12 under the same conditions.

同样，苯11降至12苯甲醇在同样条件下。

Secondly, the hydrogenation nitrobenzene and benzaldehyde with SiO2-CMC-Pd were investigated as well, and some satisfactory results were obtained.

最后，我们还研究了以羊毛为配体的Wool-Pd催化剂在催化加氢上的催化活性，结果也证明羊毛是一种优良的配体，催化剂的催化性能好。

The detection limit of complexed solution was 0.17×10^(-5)mol/L; the detection limit of benzaldehyde was 0.4356×10^(-6)mol/L.

混合物的检出限为0.17×10^(-5)mol/L，苯甲醛的检出限是0.4356×10^(-6)mol/L。

The effects of catalyst, catalyst promoter, ratio and amount of catalyst and catalyst promoter, temperature, reaction time and pressure on the selectivity and yield of benzaldehyde have been investigated.

重点考察了催化剂种类、助催化剂种类、催化剂和助催化剂的配比和用量、反应温度、反应时间和反应压强等因素对苯甲醛的选择性和收率的影响。

The invention discloses the method of preparing benzaldehyde with benzene carbonic acid.

本发明公开了一种苯甲酸气相加氢还原制备苯甲醛的方法。

Synthesis of novel sulfonamide-prolinols and their application on the asymmetric addition of diethylzinc to benzaldehyde.

三、研究了脯氨酸衍生的新型手性磺酰胺-氨基醇的合成及其催化二乙基锌对苯甲醛的不对称加成反应 1。

In this paper, benzaldehyde and its derivatives were prepared by electrosynthetic method with on-line ultrasound; meanwhile the course and the mechanisms were studied.

本论文采用在线超声电合成的方法制备苯甲醛及其衍生物，并对其过程和机理进行研究。

And the main constitute of almond essential oil in experiments was benzaldehyde examined by ultraviolet spectrophotometer.

但目前国内对苦杏仁的研究主要集中在杏仁油和苦杏仁甙的开发利用上，而对苦杏仁挥发

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷