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A novel Pd/C catalyst with high activity,high selectivity and good stability developed by our group was used for the hydrogenation of N-(3-nitro-4-methoxyphenyl)acetamide into N-(3-amino-4-methoxyphenyl)acetamide in methanol and water,respectively.

笔者开发了一种高效的Pd/C催化剂,分别选用甲醇和水作为反应溶剂,实现了高活性、高选择性和高稳定性地催化加氢制备N-(3-氨基-4-甲氧基苯基)乙酰胺。

The catalysis of single and mixed micelles and functional molecules for alkaline hydrosis of acetanilide has been studied at 40℃ in aqueous acetonitrile solution with UV spectrophotometry.

在40℃下乙腈水溶液中,用紫外分光光度法研究了单一和混合胶束及功能分子对乙酰苯胺碱性水解反应的催化作用。

Eight kinds of solid acid catalysts for esterification of acetic acid and isopentyl alcohol are studied in this paper.

本文研究了8种固体酸催化剂催化乙酸与异戊醇的酯化反应,结果表明:FeCl3。

It was found that H3PO4 is an effective catalyst for the acylation of 2,3-dimethyl-2-butene by acetic anhydride at room temperature.

结果表明,H3PO4是室温下催化2,3-二甲基-2-丁烯与乙酐酰化反应的有效催化剂。

FeCl_3 was used to catalyse the acylation reaction of triisobutylene by acetic anhydride at room temperature.

室温下FeCl3用于催化三聚异丁烯与乙酸酐的酰化反应。

The invention relates to a method of preparing acetophenone by ethylbenzene photocatalysis and oxidation, belonging to the technical field of organic synthesis application.

本发明涉及一种乙苯光催化氧化制备苯乙酮的方法,属于有机合成应用技术领域。

The effects of different catalysts, mole ratio of glyoxalic acid and urea on yield of allantoin are investigated.

以乙二醛、硝酸、尿素为原料,通过二步合成得到尿囊素,主要考察了缩合反应中,使用不同催化剂催化缩合尿囊素的收率对比及影响因素。

Acidic catalysis is one of the important chemical reactions applied widely in industry.

中文摘要酸催化是化学工业中广泛应用的反应过程之一。

It was found from experiments that graphite felts were suitable for electrode active materials, which were conductive, hydrophilic, acidproof and reaction active.

优选出合适的电极材料—石墨毡,它具备导电性、亲水性、耐酸性以及反应催化活性。

So, the addition of Te to MoBiO/SiO2 catalyst promoted the acrolein selectivity greatly.

因此,Te添加量有一最佳范围,n/n为0.05-0.1时催化剂具有较好的催化性能。

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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

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粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。

However, to get a true quote, you will need to provide detailed personal and financial information.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。