• Selective decomposition of xylose in high temperature liquid water was possible by controlling reaction conditions.

    通过控制反应条件可以有选择性地调节产物分布。

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  • Inhibition of Return (IOR) is the hysteresis phenomenon shown by the reaction of the previous note on the location and it is a significant phenomenon to selective attention.

    返回抑制是指对先前注意的位置上进行反应所表现出的滞后现象,是选择性注意的一个重要现象。

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  • Selective separation and its reaction mechanism of titanium component in modified slag were researched by using selective enriching modified slag as raw feed.

    选用经选择性富集的改性渣为原料,研究了改性渣中钛组分的选择性分离及其反应机理。

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  • Furthermore, the reaction condition of the selective removal of acetyl group in the presence of caffeoyl group was optimized.

    发现不同的底物结构上的差异可能造成选择性脱除乙酰基保护反应活性的差异。

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  • Thus markedly different reaction processes can be accomplished using the same material by varying the particle size as needed for highly selective photocatalysis.

    因此,对需要高选择性的光催化反应来说,使用同样材料,仅仅改变颗粒大小就可以获得完全不同的反应过程。

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  • On the basis of the complex reaction of dibenzyl sulfide with palladium, a high selective method of solid phase extraction for the adsorption of palladium was developed.

    基于二苄基硫醚与钯的配合反应,建立了一种高选择性固相萃取吸附钯的方法。

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  • The catalytic reduction of NO_x was reviewed with the emphasis on the progress of studies, developing trend and the reaction mechanisms of the selective reduction of NO_x with hydrocarbons.

    综述了催化还原法消除氮氧化物研究现状、发展趋势及反应机理,特别是对烃类选择性催化还原氮氧化物过程进行了说明。

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  • Sugar was as the start material by the reaction of the selective protections at 6-hydroxy, chlorination, deacetyl in three steps obtained the target compound(trichlorosucrose);

    以蔗糖为起始原料,经羟基选择性保护、氯化、脱乙酰基等3步化学反应合成三氯蔗糖;

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  • In this paper, CFZ-86 catalytical reaction apparatus set-up by the author was used to the selective sampling of the products in catalytical decomposition of methanol in four reactors.

    本文利用自行组装的CF Z- 86催化反应装置对四路甲醇催化分解产物进行选择取样。

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  • The agreement between the experimental data and theoretical calculation suggest that the selective resonant tunneling model is a good method for the reaction with evident resonant peak.

    理论计算和实验在一定程度上符合得很好,这说明了选择共振隧穿模型是计算有明显共振峰的核反应截面的有利工具。

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  • In this reaction, selective formation of 2, 6-dmn other than 2, 7-dmn and the contradiction between 2, 6-dmn selectivity and 2-mn conversion are the two main difficulties.

    在2 -甲基萘选择甲基化反应中,2,6 -二甲基萘相对于2,7 -二甲基萘的选择生成以及2,6 -二甲基萘选择性与2 -甲基萘转化率之间的矛盾是需要克服的两个主要困难。

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  • Ring opening reaction of 2, 3-epoxy ketones with nitric oxide in dichloromethane occurred in a syn-selective fashion, producing syn-2-hydroxy nitrates as main products.

    在二氯甲烷溶液中,一氧化氮导致2,3 -环氧酮发生顺式开环反应,生成的顺式羟基硝酸酯化合物为主要产物。

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  • The selective synthesis of different products from the same starting materials by simple subtle modification of structure or reaction conditions is an attractive challenge for chemists.

    从同一种底物出发,通过改变反应条件或修饰底物的结构实现选择性的合成不同结构产物,是一项非常有意义并有很大挑战性的研究课题。

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  • The result of selective oxidation of propylene exhibits comparatively complex behaviors, at different BiCe ratios of the catalyst. An unified reaction mechanism is presented in this article.

    对稀土铈和钼酸铋不同比例的催化剂下,丙烯选择催化呈现的比较复杂的动力学行为,给出统一合理的机理。

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  • It utilizes the selective permeability of membrane to produce effluent and achieve biological concentration in the biochemical reaction tank, greatly raising the efficiency of biological treatment.

    利用膜的选择透过性产水,在生化池中实现生物富集,生物处理效率大幅提高。

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  • A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described.

    阐述了利用环氧丙烷和甲醇在催化剂HM-9512存在下,通过选择性开环加成制备1-甲氧基-2-丙醇的工艺过程。

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  • A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described.

    阐述了利用环氧丙烷和甲醇在催化剂HM-9512存在下,通过选择性开环加成制备1-甲氧基-2-丙醇的工艺过程。

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