particle n. 1.顆粒,微粒;微量,極少量。 2.【物、數(shù)】粒子,質(zhì)點(diǎn)。 3.【語(yǔ)法】虛詞,不變?cè)~〔冠詞、副詞、介詞、連接詞、感嘆詞等〕;小品詞 〔yes, no 等〕,詞綴。 4.〔古語(yǔ)〕(文件中的)條,項(xiàng)。 5.【天主教】一小片圣餅。 He has not a particle of sense. 他一點(diǎn)腦子也沒(méi)有。 fundamental [elementary] particles 【物理學(xué)】基本質(zhì)點(diǎn),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,聚合物微球具有簡(jiǎn)便的制備工藝、可控的粒徑大小以及優(yōu)異的表面性質(zhì)等特征,因此在眾多領(lǐng)域得到了廣泛的應(yīng)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 顆粒問(wèn)題是潔凈行業(yè)重點(diǎn)關(guān)注的對(duì)象之一,相關(guān)產(chǎn)業(yè)都已經(jīng)意識(shí)到顆粒污染帶來(lái)的危害,并且通過(guò)各種渠道監(jiān)測(cè)并控制顆粒污染的發(fā)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異辛烷水體系可以產(chǎn)生穩(wěn)定的球形的水核,并且其水核的直徑與體系的含水量w (水與表面活性劑aot摩爾濃度之比)呈對(duì)應(yīng)關(guān)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靶材料金屬物理?yè)诫s和激光- x光轉(zhuǎn)換材料的實(shí)際需要為出發(fā)點(diǎn),主要對(duì)自懸浮定向流技術(shù)制備金屬與合金納米微粒的原理、過(guò)程和工藝參數(shù)控制微粒粒徑大小,所制備納米微粒的結(jié)構(gòu)、物相組成以及組成相的熱穩(wěn)定性等方面進(jìn)行了深入研究。