In a preferred embodiment the particles are catalyst particles.
在一个优选的实施方案中，所述颗粒为催化剂颗粒。
There maybe has oxide of copper in the surface of nano copper catalyst particles.
在纳米螺旋碳纤维中的催化剂颗粒表层，可能有铜的氧化物存在。
For measuring abrasion of catalyst particles, three basic attrition test apparatus are used.
为了测定催化剂颗粒的磨损，可使用三种基本磨损测试装置。
Deactivated catalyst particles have some agglomeration, the particle agglomeration of regenerated catalyst is improved.
失活催化剂颗粒间出现粘连，再生催化剂的颗粒粘连现象有所改善。
The mechanical strength of catalyst particles depends not only upon their materials, but also upon their shape and size.
本文将弹性力学方法引入催化剂颗粒内应力分布的计算。
A type of fluidized bed in which catalyst particles are held in suspension by the upward movement of the liquid reactant and gas flow.
借助上升的液体反应物和气流使催化剂颗粒维持在悬浮状态的一种流化床。
The substances easy to coke including oil-gas in gas phase, the heavy fractions of oil-gas in liquid phase and the catalyst particles.
在重油催化裂化沉降器中结焦物质包括油气组分、油液滴和催化剂颗粒，结焦的环境和条件指沉降器内的物料流场、温度场和浓度分布情况。
The catalyst used in the invention is comprised of a methanol synthesis catalyst and dehydration catalyst layers formed around methanol catalyst particles.
本发明所用催化剂是由甲醇合成催化剂和在甲醇催化剂颗粒周围形成的脱水催化剂层组成。
Carbon nanotubes (CNTs) samples have been synthesized by many different method. They almost have impurities, such as amorphous, carbon nanoparticles and catalyst particles.
各种不同方法制备的碳纳米管样品，大部分含有无定形炭，碳纳米颗粒和催化剂等杂质。
The technology of making abnormal shape catalyst particles is recently developed mainly for the enhancement of their effectiveness factors with low pressure drops in fixed bed reactors.
研究了环形、车轮形及蜂窝形等异形催化剂颗粒的有效因子、固定床传热性能及其压降。
The multilayer films provide increased surface area and are particularly useful in devices where catalyst activity is related to the surface area available to support catalyst particles.
所述多层薄膜提供增大的表面积，并在催化活性与可用来支 承催化剂颗粒的表面面积相关联的装置中尤其有用。
Besides, leaching out of catalyst ingredients in inert liquid medium and entraining of small catalyst particles in outlet stream were to some extent responsible for the catalyst deactivation.
此外，溶剂对催化剂活性组分的浸取以及气流中催化剂颗粒的夹带亦是导致催化剂活性降低的部分原因。
Keeping a particle colloidal before use may be an effective method of forming a catalyst material as it can be easily spray-dried or mixed with other materials for extruded catalyst particles.
由于颗粒可以容易地被喷雾干燥或与其他用于挤压成型催化剂颗粒的材料混合，因此在使用前使颗粒保持为胶体是形成催化剂材料的有效方法。
In manufacture process of FCC catalysts, viscosity of kaolin slurry influences the manufacturing cost, handling of the slurry and distribution of catalyst particles in the spray during drying.
在FCC催化剂生产过程中，高岭土浆液粘度会对生产成本、浆液输送和浆液在喷雾干燥成形时雾化及雾粒分布等造成一定程度的影响。
Owing to the small size effect, high surface effect and quantum size effect, nano particles exhibit excellent characters in catalyst fields.
由于纳米微粒的小尺寸效应、表面效应和量子尺寸效应，使其在化学催化领域中呈现出十分优异的性能。
The polymerization kinetics of styrene catalyzed by Ziegler-Natta catalyst and the effects of prepolymerization conditions on morphology of prepolymer particles were systemically studied.
通过淤浆预聚对齐格勒·纳塔催化剂催化的苯乙烯预聚动力学规律和预聚条件对预聚物粒子形态的影响进行了系统的研究。
In the alternative, the ferrierite zeolite particles are incorporated into the cracking catalyst as an integral component of the catalyst.
可供选择地，镁钠针沸石颗粒作为催化剂的组成组分被引入到裂化催化剂中。
The low sulfur tolerance of the catalyst with a low acid amount was attributed to the insignificance of the electron deficiency of the metal particles.
酸量过小的催化剂抗硫性差则与金属中心缺电子效应较小有关。
Nano-particles on the surface active center, it provided a catalyst for the necessary conditions.
纳米粒子表面活性中心多，为它作催化剂提供了必要条件。
In this paper, ferric iron nano-particles were prepared by sol-gel auto-combustion and used as the catalyst of carbon nanotubes (Cnts).
利用溶胶一凝胶自蔓延燃烧法制备出了纳米氧化铁，并用其作为碳纳米管制备的催化剂。
In this paper, ferric iron nano-particles were prepared by sol-gel auto-combustion and used as the catalyst of carbon nanotubes (Cnts).
利用溶胶一凝胶自蔓延燃烧法制备出了纳米氧化铁，并用其作为碳纳米管制备的催化剂。
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