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catalytic相关的网络例句

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For the synthesis reaction of chalcone, cyclohexanone aldolization and biodiesel,γ-Al_2O_3-NaOH-Na solid superacid has a satisfactory catalytic activity. With hypnone and phenylaldehyde as raw material, amount of catalyst 7.5% wt% of material, mole ratio of hypnone and phenylaldehyde 1:1.1, reaction temperature 40℃, after 3 hours, the yield of chalcone can be up to 96.88%. With cyclohexanone as raw material, amount of catalyst 10% wt% of material, reaction temperature 190℃, after 3 hours, dimmer of cyclohexanone can be up to 85.66%.

将该固体超强碱催化剂应用于查尔酮、环己酮自缩合以及生物柴油的合成反应中,该改性固体超强碱催化剂表现出了良好的催化活性:以苯乙酮和苯甲醛为原料,反应温度为40℃,催化剂用量为反应物总质量的7.5%,苯甲醛与苯乙酮摩尔比为1:1.1,反应3h查尔酮产率可达96.88%;以环已酮为原料,催化剂用量为原料总质量的10%,反应温度为190℃,反应3h,二聚物的总收率可达85.66%;以动物油和甲醇为原料,醇油摩尔为9:1,催化剂用量为动物油质量的2%,反应温度为70℃,反应3h后,生物柴油的收率可达91.8%。

Aromatic and aliphatic aldoxime s could be efficiently converted into the corresponding carboxylic acid esters by treatment aldoxime s with an alcoholic solution of 30% hydrogen peroxide in the presence of catalytic amounts of polystyrene-bound phenylseleninic acid.

在30%双氧水和醇组成体系中,聚合物负载的苯亚硒酸试剂可有效地促进过氧化氢氧化肟转变成羧酸酯;相应伯醇和仲醇的羧酸酯的产率中等到良好,但在含叔醇的体系中没有相应的羧酸酯生成。

The complexes ability for alkalic cation has the high influence on the catalytic activity.

添加与冠醚环直径相匹配的碱金属离子能显著提高催化活性;3。

And TOF of catalytic oxidation for styrene to benzaldehyde has increased by 100%~240% because of the addition of alkalic ion, which matches with the crown ring.

系统考查了冠醚环及其直径大小、结构类型、键连方式、键连部位和与活性中心的距离对配合物催化氧化性能的影响。

A highly regio- and stereoselective diboration of allenes was achieved with a catalytic amount of phosphine-free Pd complex and alkenyl or aryl iodide.

双硼试剂加成到1,2双烯的反应,传统上利用Pt金属错合物为催化剂,根据文献的报导,单独只使用Pd金属错合物是无法进行此反应的。

Catalytic aziridination and amidation reactions are two important reactions in organic synthesis and useful building blocks for organic synthesis, which make them attractive synthetic targets in their own right.

催化氮杂环丙烷化及酰胺化反应是有机合成中的两类重要反应,是有机合成之砌块,其合成方法是重要的研究课题。

The catalytic reaction rate constant for amidopyrine in different conditions are also determined, and the rate constants agreed closely with the mechanism presented by us.

讨论了影响其催化反应速度的因素及条件;并对不同条件下氨基比林对亚铁氰化钾的催化反应速率常数进行了测定,所得结果很好的符合提出的反应机理。

Increasing the degree of conversion from nitrile group to amidoxime group on the surface of PAN fiber caused not only higher Fe3+ content of Fe-AO-PAN, but also its stronger catalytic performanceon dye degradation in aqueous solution.

PAN纤维腈基转化率的提高不仅能够明显增加Fe-AOPAN表面结构中Fe3+含量,而且可显著促进其对染料氧化降解反应的催化作用。

In route 1, geranylamine was synthesized from geraniol via Mitsunobu reaction and aminolysis. Adamantan-2-amjne was synthesized from adamantan-2-one via reductive imination and catalytic hydrogenation.

第一条路线香叶醇经Mitsunobu反应、胺解反应得到香叶胺;2-金刚烷酮经亚胺化、硼氢化钠还原、催化氢化脱节基得2-金刚烷胺。

The new research progress in synthesis of p aminophenol by chemical reduction,catalytic hydrogenation,electrochemical reduction and carbonic oxide reduction from nitrobenzene was reviewed.

评述了硝基苯化学还原法、催化加氢法、电化学还原法和一氧化碳还原法等合成对氨基苯酚的最新研究进展,认为对硝基苯还原法新技术的深入研究有利于医药和染料等行业的进一步发展,具有很好的社会和经济效益。

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