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1.SIMULATION OF TRANSIENT TEMPERATURE RISE DURING REGENERATION OF A COKED CATALYST PARTICLE
结焦催化剂颗粒再生时的瞬态温升模拟收藏指正
2.And the quality of ECP has the up-most effect on the morphology of catalyst particle.
1、催化剂颗粒形态对ECP中微量杂质成分非常敏感,ECP的质量是影响催化剂粒形最主要的原因。收藏指正
3.STUDY ON FLUIDITY OF GAS-PARTICLE SYSTEM OF FCC CATALYST
FCC催化剂气体-颗粒系统流动性能的研究收藏指正
4.method to character the catalyst, the result indicate that the particle size is between 271nm—496nm and it belongs to midding intensity supersolid acid. The magnetic results shows that σ s=97.96 emu . g-1, σ r= 12.32 emu.
通过磁强计、XRD、 激光粒度仪、TPD、 IR等手段对固体超强酸催化剂的磁性、晶体结构、粒径大小、酸性强度等进行了表征,结果表明制备的磁性催化剂,其磁性表征结果σ s=97. 96 emu·g-1,σ=12. 32 emu·g-1,粒径在271nm-496nm之间,且属于中强强度的固体超强酸。收藏指正
5.By means of Tyndall effect, electron microscope and ultrafiltration it was found that the catalyst dispersed in benzene solution existed as colloidal particle and that the particle sizes was from 1 nm to 100 nm.
通过 Tyndall效应、电镜观察和超过渡实验 ,证明了 Co( naph) - Al( i- Bu) 2 Cl催化体系在溶有丁二烯的苯溶剂中以小颗粒分散 ,粒径在 1~ 1 0 0 nm之间 ,为胶体催化剂 ,属于高度分散的多相催化体系。收藏指正
6.Compared with the catalyst prepared by precipitation, the catalyst prepared by microwave shows more homogenous distribution in particle and pore size and better catalytic activity with the yield of DPC of about 7%.
与沉淀法相比,微波法制备的催化剂具有比较均匀的尺寸和形状,活性组分在载体上的分布较好,催化剂活性较高,碳酸二苯酯的收率接近7%。收藏指正
7.By means of Tyndall effect, electron microscope and ultrafiltration, it was found that the catalyst dispersed in toluene solution existing as colloidal particle sizes was from 1nm to 100 nm.
通过 Tyndall效应、电镜观察和超过滤实验 ,证明了 V(acac) 3- Al(i- Bu) 2 Cl催化体系在溶有丁二烯的甲苯溶剂中以小颗粒分散 ,粒径在 1~ 1 0 0 nm之间 ,为胶体催化剂 ,属于高度分散的多相催化体系。收藏指正
8.Activity of nanometer particle Al 2O 3 catalyst in preparation of n DOP
纳米粒子Al_2O_3催化剂在制备n-DOP增塑剂反应中的催化活性收藏指正
9.Abstract: Establishment of the macro dynamic mathematical models for coked zeolite catalyst coke burning regeneration was discussed from an engineering point of view.Based on the modified particle-pellet model,dynamic mathematical equations for porous and nonporous catalyst coke burning regeneration were deduced,supplying a theoretical basis for computer simulation of coked zeolite catalyst regeneration.
文摘:从反应工程学的角度讨论了结焦沸石催化剂烧焦再生反应宏观动力学数学模型的建立,根据已提出的修正的颗粒-粒子动态等温物理模型,分别推导出了多孔焦炭的燃烧再生阶段数学方程和无孔焦炭的燃烧再生阶段数学方程,为结焦沸石催化剂再生反应过程计算机模拟提供了理论依据。收藏指正
10.Research on the fine particle diamond synthesis by dia 23 synthesizing cavity with Ni-Mn powder catalyst
大腔体Ni-Mn粉末触媒细颗粒金刚石合成收藏指正
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