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- The diluent,such as toluene,was an inhibitor of coke deposition on HZSM-5 zeo-lite catalyst surface. 甲苯之类的稀释剂是邻氯甲苯常压异构化中 HZSM-5沸石催化剂表面结焦的抑制剂。
- TPR,XRD,BET and other techniques are employed to elucidate catalyst structure,the action of ZrO_2 and catalyst surface proper- ties. 采用TPR、XRD、BET等测试技术对催化剂结构、ZrO_2的作用及催化剂表面性质进行了探讨。
- It was found that the catalyst surface was kept clean after the photoreaction in that heptane can be rapidly and completely photodegraded into CO2. 研究发现庚烷可以迅速的被完全降解成为CO2,因此在反应结束之后可以保持催化剂表面的洁净。
- FePO 4 and AlPO 4 distribute at intervals, and there exist Lewis base sites (P=O and P-O-Fe) and Lewis acid sites (Fe 3+ and Al 3+) on the catalyst surface. FePO4 和AlPO4 间隔分布在催化剂表面 ;形成Lewis碱位 (P =O ;P O Fe)和Lewis酸位 (Fe3 + ;Al3 + ) .
- Efficiency factor of diffusivity in the catalyst has also been introduced and the transfer between the gas bulk and the catalyst surface has been considered in the model. 求得了日产千吨氨的卧式氨合成塔床层温度、氨浓度随床层高度的变化。
- Upon repeated regeneration-adsorption, the abundance of COad, on the four-component catalyst surface was much higher than that on the other catalysts. Ard the abundance of COad, on La2O3 promoted Ni-Al2O3 decreased obviously. 在反复再生-吸附中,四组分催化剂上的CO_(ads)相对丰度远比其它三种催化剂大,Ni-La_2O_3-Al_2O_3上的CO_(ads)相对丰度明显地下降。
- The results show that Pt-Fe/C catalyst has smaller crystal lattice parameter than Pt/C catalyst and the potential state of Fe in it should be alloy state integrated with Pt, but a portion of Fe in the catalyst surface exists as ferric oxides as well. 结果显示:Pt Fe/C催化剂比单一Pt/C催化剂有更小的晶格参数,其中Fe元素可能的存在形态应为与铂结合的合金态,但不排除表面存在部分氧化态。
- The catalyst was made of zeolite as the active component with boehmite as the carrier.Its activity of olefins removal was tested and solid catalyst surface acidity was measured by pyridine FT-IR. 以分子筛为活性组分,与一定比例的载体混合后制成催化剂并评价了该类催化剂的活性和稳定性,用吡啶FT-IR测定了催化剂的表面酸性;
- The possible reaction pathway of quinoline catalytic cracking is put forward.Quinoline could adsorb on catalyst surface by physical or chemical adsorption, or be deposited as coke via dehydrogenation. 提出了喹啉催化裂化的可能转化途径：喹啉通过物理或化学作用吸附于催化剂表面，或在催化剂上脱氢缩合生焦；
- The former dissolved passivation agent in liquid and finally deposited on the catalyst surface during FCC processing. It reacts with metals on catalyst and takes a role of passvition. 前者是将钝化剂组元溶于液体中，在FCC生产过程中钝化组元沉积在催化剂上，并与污染金属反应而起到钝化作用。
- The effects of calcining temperature on catalytic be-havior may be due to changes in surface area and water content on the catalyst surface andhave nothing to do with either the crystallization or ... 铌酸催化剂催化性能受煅烧温度影响的原因是铌酸结构中含水量及比表面积随煅烧温度改变而变化;与某些作者所认为的是氧化铌结晶或形成不同的晶态无明显关系.
- In addition, local superheating of catalyst surface was alleviated in supercritical phase F-T synthesis and decreasing of selectivity of methane and CO2 and longer catalyst lifetime resulted. 同时由于超临界介质有利于减轻催化剂床层的局部过热，使甲烷和CO2的选择性降低，且延长了催化剂使用寿命。
- The development about catalyst surface reaction by computer simulation in recentyears is presented in this paper.The cellular automata version and its applications are illus-trated. 本文介绍了近几年发展起来的用计算机模拟表面催化反应的进展，着重介绍格点演化模式的方法和应用。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- A better understanding of the reaction mechanisms and the involved intermediates as well as their conversion dynamics on the catalyst surface is the key for the design of the active and selective catalysts. 为达到从动力学控制反应的目的，对有关催化剂体系上反应所涉及的中间体及其转化动态学的研究还有待深入。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- Catalytic hydro-processing is an important technology for residue oil upgrading, but the catalysts are easy to be deactivated due to the deposition of coke and metals on the catalyst surface. 摘要 催化加氢处理是渣油裂化加工的重要技术，但焦炭和金属在催化剂上的沉积将降低催化剂的活性。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The offer of a new job provided just the catalyst she needed. 这份新工作正是她所需要转变的契机。
