particle n. 1.颗粒,微粒;微量,极少量。 2.【物、数】粒子,质点。 3.【语法】虚词,不变词〔冠词、副词、介词、连接词、感叹词等〕;小品词 〔yes, no 等〕,词缀。 4.〔古语〕(文件中的)条,项。 5.【天主教】一小片圣饼。 He has not a particle of sense. 他一点脑子也没有。 fundamental [elementary] particles 【物理学】基本质点,基本粒子。
Polymeric particles have been used widely in many different fields , since they can be prepared easily and have controlled particles " sizes and good surface characters 另一方面,聚合物微球具有简便的制备工艺、可控的粒径大小以及优异的表面性质等特征,因此在众多领域得到了广泛的应用。
Particle trouble is an important object in clean industry , related manufactory all get to know the damage caused by particle , monitor and control particle generation 颗粒问题是洁净行业重点关注的对象之一,相关产业都已经意识到颗粒污染带来的危害,并且通过各种渠道监测并控制颗粒污染的发生。
The microemulsion - mediated synthesis of hydroxyapatite offers the unique ability to control particles size , morphology and surface properties . aot / isooctane / water microemulsions admit to form spherical water cores , which in diameter depends linearly on the water content w ( water - surfactant molar ratio ) Aot异辛烷水体系可以产生稳定的球形的水核,并且其水核的直径与体系的含水量w (水与表面活性剂aot摩尔浓度之比)呈对应关系。
This paper with the actual needs of metal physical doping of icf target material and laser - x - ray conversion material is starting point , major for flow - levitation method principle , technology parameter control particle grain size , structure and thermal stability of phase composition that prep aration metal and alloy nanoparticle go deep into research . the principle of preparation metal nanoparticle by flow - levitation method is difference with other evaporate condensation method 本文以icf靶材料金属物理掺杂和激光- x光转换材料的实际需要为出发点,主要对自悬浮定向流技术制备金属与合金纳米微粒的原理、过程和工艺参数控制微粒粒径大小,所制备纳米微粒的结构、物相组成以及组成相的热稳定性等方面进行了深入研究。