polydispersity 中文意思是什麼

polydispersity 解釋
多分散度
  1. The generated polymers exhibit good solubility in water, controlled molecular weights and narrow polydispersity

    這類高分子具有良好的水溶性,展現出分子量高度可控性和窄的分子量分佈。
  2. Molecular weight distribution curve of 1, 1 ' - diaformacylferrocene - o - phenylenediamine polycondensate has triplet and polydispersity is a little large. it should be pointed out that the fe2p3 / 2 peak appears basically near fe2 + characterizing 708ev in xps of the two polycondensates, this means that the ferrocene group is rather stable in the polycondensates

    其中, 1 , l 』一幾甲酞二茂鐵鄰苯二胺縮聚物的分子量分佈曲線呈現三重峰,表明在高轉化率時發生大分子鏈轉移後生成帶支鏈的高分子,其多分散性也較大。
  3. As the stirring rate increasing, the average diameter of capsules decreases exponentially and its distribution turns narrow, but its polydispersity index increases

    隨著轉速的增加,膠囊的平均粒徑呈指數關系減小,分佈變窄,多分散指數卻增加。
  4. We find the ground state may become unstable due to a polydispersity in the particle dielectric constants. and when the dielectric constants of particles differ greatly from each other, identical particles tend to aggregate into uniform chains

    特別高極化顆粒復合體系的物理性質研究摘要是當顆粒偶極矩因子具有較大的差別時,體系中同類顆粒聚集成鏈的傾向明顯增加,使「相分離」現象成為可能。
  5. So far, although numerous synthetic routes, such as suspension polymerization, emulsion polymerization, dispersion polymerization, etc, have been developed to produce magnetic composite microspheres, there are still a lot of problems need to be resolved for preparing ideal and useful magnetic composite microspheres. these problems include low magnetic content, low efficiency of encapsulation, big size, polydispersity of particle size, the contamination of composite microspheres by some additives, etc. it is realized recently that the preparation of high quality magnetic composite microspheres relies on the breakthrough of synthesis approaches and the detail understanding of the polymerization mechanism in the presence of magnetic inorganic particles

    本文針對當前磁性復合微球磁含量低、潔凈度較差,且主要是微米級產品的研究現狀,以提高磁性復合微球磁含量、提高復合微球的潔凈度及在維持較高磁含量的基礎上有效減小復合微球的粒徑為主要目標,採用改進乳液聚合法、細乳液聚合法及活性游離基dpe法三種方法制備了不同粒徑及磁含量的磁性復合微球。
  6. The research of molecular weight distribution have indicated mat some polymers have high molecular weight and high polydispersity

    對聚合物(工工)和聚合物( vd的gpc研究表明:二者的分子量很高,且典有一定的多分散性。
  7. M z w prediction of the polydispersity index z w of cellulose from its rheological data

    從流變數據預測纖維素的多分散指數
  8. Polydispersity index pid

    多分散性指數
  9. As the ta concentration increases, the average diameter of capsules decreases exponentially. simultaneously, its distribution gets narrow, and its polydispersity index decreases

    隨著ta濃度的增加,膠囊粒徑呈線性關系減小,分佈變窄,多分散指數略有降低。
  10. Compared with the samples by conventional method, the distribution of the molar mass of the samples ( with polydispersity index of 1. 762 ) made by novel technique was narrow, and was equal to that of foreign products

    制得的樣品(多分散性系數為1 . 427 )與常規方法制得的樣品(多分散性系數為1 . 762 )相比其摩爾質量分佈較窄,與國外產品相當。
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