acid sites
英 [ˈæsɪd saɪts]
美 [ˈæsɪd saɪts]
网络 酸性位; 酸位
双语例句
- Frank Browne shook more sauce over his chips.
弗兰克·布朗在炸薯条上又撒了些酱汁。 - Study on formation mechanism of Acid Sites in FCC catalyst
酸中心在FCC催化剂上的形成机制 - 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。 - Study on Improve Acid Sites and Hydrothermal Stability of Mesoporous Molecular Sieves
强化介孔分子筛酸中心及水热稳定性的研究 - The Study of Transesterification Reaction Using Polyoxometalates with Double Acid Sites as Catalyst
同时具有双酸中心的多金属氧酸盐催化酯交换反应研究 - Besides, the conversion of ethanol have been found to be dependent on the amount of surface acid sites on zeolites.
乙醇转化率与分子筛表面酸量有关。 - The coexistence of acid sites and nickel sulfide sites on the zeolite will promote the thiophene hydrodesulfurization reaction significantly.
催化剂表面酸性位和硫化镍活性位共存，对噻吩加氢脱硫反应是有利的。 - The results indicated that strong acid sites of the MCM-22 zeolite favored its OATS activity.
结果表明，催化剂的强酸有利于噻吩烷基化脱硫反应活性。 - 1, 2-dichloropropane adsorbs on phosphate M of Lewis acid sites M-O bond in molecular state.
1,2－二氯丙烷在磷酸盐上，以分子吸附态吸附于Lewis酸位M－O键的M位上。 - The superacid sites were attributed to Lewis acid sites and proved to be dominant active center.
其超强酸中心属于L酸中心，是主要的催化活性中心； - By means of FT-IR analysis of adsorbed pyridine and analysis of XRD, it could be concluded that synergism of interlayer structure with acid sites of Ti-PILC is the dominated factor for the synthesis of DPC by transesterification of DMC with phenol.
吸附吡啶的IR光谱和XRD表征表明，Ti-PILC的层柱状结构和酸中心协同作用是催化苯酚和DMC酯交换合成DPC的重要因素。 - Nsted acid sites.
nsted酸性位相互作用。 - Ethylation selectivity, was affected by strength of surface acid sites, location of acid sites and pore structure.
乙基化的选择性则与催化剂的表面酸强度、酸性中心位置和孔道结构等因素有关。 - The experimental results show that ammonia molecule is adsorbed preferentially on the B acid sites.
实验结果还表明氨分子在B酸中心上优先被吸附。 - In this work, some basic problems in interface reaction study, i.e. type, origin and property of main reactive site including hydroxyl groups and acid sites, are studied.
本工作中，笔者针对界面研究的最基本问题，即主要表面位（包括羟基和酸位）的类型、来源、结构及彼此关系展开初步研究，并探讨了表面酸性的调控技术。 - Several estimates of the evolutionary distance between two homologous protein sequences were deduced, taking into account of the variation of replacement rate over amino acid sites.
本文考察了目前采用的估计同源蛋白质序列间进化距离的方法的缺陷，并提出了几个新的计算公式，它们考虑了氨基酸位点间显然存在的替代速率的差异。 - The organic species produced on the acid sites decomposed in the fourth step.
第四阶段是残留有机物的分解反应。 - The changes of the amounts of both the Bronsted and the Lewis acid sites with temperature increase were investigated.
测定了Lewis酸和Bronsted酸数量随温度升高的变化规律。 - At the same time, boride thus formed covered the surface acid sites and blocked the pores and channels, leading to higher para-selectivity.
同时，硼化物覆盖了表面酸中心，堵塞了孔道，因而提高了反应的选择性； - Spectra of the sample adsorbed with pyridine shows that there are mainly Lewis acid sites on the surface.
吸附了吡啶蒸气的红外光谱表明，活性纤维状氧化铝的表面酸主要以非质子酸形式存在。 - Al_2O_3-TiO_2 complex support had low surface acidity and contained only Lewis acid sites.
Al2O3-TiO2复合载体表面具有较低的酸性，且只有L酸中心； - Surface acidity of the catalysts was characterized by means of NH_3-TPD. The results showed that N-ethylation of aniline took place on Lewis acid sites of weak acidity.
用NH3TPD法测定催化剂的表面酸性，并对催化剂的表面活性和酸性进行了关联，确定了苯胺的N乙基化是在较弱的L酸上进行的。 - The integrated effect of the synergy of Sn with Mo-O-Si and weak Lewis acid sites catalyzed transesterification of DMO with phenol.
Sn元素与Mo-O-Si的协同作用与Lewis酸性中心共同作用于DMO和苯酚的酯交换反应。 - Coke deposition on the external surface acid sites is much easier than that in the internal acid sites.
分子筛外表面酸中心比晶内的更易生成积炭，体现了积炭的择形性。 - The results indicated that by substituting Mg, Mn and Ni into the framework of SAPO-11, some new acid sites on SAPO-11 were generated and the acidity of SAPO-11 was increased.
结果表明，Mg、Mn和Ni引入SAPO-11分子筛的骨架，产生了新的酸性位，提高了SAPO-11分子筛的酸性。 - The acid sites of zeolite Y catalysts for alkylation of aromatics with long-chain alkenes are determined with IR and TPD.
用IR和TPD方法，研究了长链烯烃与芳烃的烷基化反应的Y型沸石催化剂的酸性对反应的作用。 - The coke consisted mainly of aromatic compounds with alkyl and polycyclic aromatic hydrocarbons, and it also comprised some aromatic compounds with hydroxy group produced by further oxidation, dehydrogenation and polymerization of phenol on Lewis acid sites.
积炭物种主要为带有烷基的芳烃和多环芳烃，同时含有少量带有羟基的多环芳烃，这可能是由在L酸中心上生成的苯酚进一步氧化、脱氢和聚合形成的。 - The results revealed that both the solid acid sites and the Pd active sites can catalyze this decomposition reaction.
结果显示，固体酸性中心和金属钯中心都可以催化***的分解反应。 - The confinement effect is varied for different acid sites.
而且由于酸性位落位的不同，分子筛空穴的限域作用也表现各异。 - To identify the origin of acid sites, niobium pentoxide and Na-exchanged niobium phosphate were also investigated.
为了研究酸性的来源，我们对五氧化二铌及Na交换的磷酸铌样品的酸性也做了系统的研究。