Bronsted acid
英
美
n. 布朗斯泰德酸
双语例句
- The Bronsted acid in the zeolites oxidized ο-Ps readily, so that the ο-Ps lifetime τ_3 and τ_4 were reduced significantly in zeolite HY.
o-Ps容易被沸石内的质子酸氧化，而使其湮没寿命τ3和τ4缩短。 - Mannich reaction of aldehydes, ketones and amines catalyzed by Bronsted acid ionic liquids
Bronsted酸离子液体催化的醛、酮、胺三组分Mannich反应 - IR results of pyridine adsorption reveal that supported samples have both Bronsted and Lewis acid centers, and 2-propanol dehydration is a Bronsted acid catalysed reaction.
吡啶吸附红外光谱结果显示负载样品同时具有B酸和L酸中心，异丙醇脱水催化反应发生在B酸位上。 - With urea-hydroperoxide as oxidant, the oxidation of styrene catalyzed by different TS-1 zeolites with or without Bronsted acid sites was investigated through in-situ MAS NMR method.
以过氧化氢尿素为氧化剂，采用原位固体核磁共振方法研究了不同硅钦比的分子筛样品催化苯乙烯的氧化反应。 - The rate constant k from kinetic research and the number of strong Bronsted acid sites changed in a similar peaky curve pattern. The maxima of two curves were on the same sample with Si/ Al ratio about 8. 87.
动力学数据表明，样品裂化反应速度常数与强质子酸中心数随骨架Si/Al比增加具有平行的山峰形变化规律，Si/Al比为8.87附近的样品最高。 - While impregnation with the oxides of copper or zinc can further decrease the amount of Bronsted acid sites, meanwhile increase the amount of Lewis acid sites.
而铜、锌改性则进一步减少了催化剂表面的B酸中心同时增加了L酸中心。 - Experimental results indicated that the catalytic activity was correlated closely with the acidity and the dimensional framework of the Bronsted acid site in catalysts.
结果表明：催化剂活性位的Bronsted酸强度和空间结构是影响催化剂活性和选择性的主要因素。 - In the presence of steam, the Bronsted acid of the SO 2-4/ ZrO 2 superacid system plays an important role on the catalytic cracking of heavy oil.
在工业催化裂化高温水蒸汽流化的条件下，SO2－4／ZrO2超强酸体系中的B酸对重油催化裂化起着至关重要的作用。 - It is shown that Bronsted acid sites are mainly formed from the hydroxyl groups in the main channels of mordenite.
实验结果表明丝光沸石主孔道中结构羟基是沸石上质子酸中心的主要供体。 - The formation mechanism of acid sites, mainly the formation mechanism of Bronsted acid sites in HY and REY zeolite as well as Lewis acid sites in matrices and zeolite of FCC catalysts are analyzed.
分析了催化裂化催化剂酸中心的形成机制，重点论述了HY沸石及REY沸石中B酸中心的形成机理，以及催化剂基质和沸石中L酸中心的产生途径。