polycondensation 中文意思是什麼

polycondensation 解釋
聚縮
  1. Abstract : the mathematical model that describes the reaction kinetics and molecular weight distribution for the polycondensation reaction process is developed by methods of reaction extent and generation function, in which an industrial process of poly ( ethylene terephthalate ) production is taken as an example. the methods for solving the model are discussed

    文摘:以一個工業化聚酯生產過程為例，將反應度法和生成函數作為工具，建立了描述此類縮聚反應過程的反應動力學及其分子量分佈的數學模型，並介紹了求解數學模型的方法。
  2. Last, polyurea microcapsule containing octadecane as phase change material was successfully synthesized by interfacial polycondensation using tdi and deta as shell monomers in an emulsion only by reaction of tdi and deta, but also reaction of tdi and amines which are formed by hydrolysis of tdi at the interface

    制備聚脲樹脂微膠囊的過程不僅包括tdi和deta的反應，還包括tdi與自身水解產物的界面反應。 tdi與deta反應質量比為3 ： 1 。另外， np - 10還與tdi反應生成脲烷。
  3. The polycondensation reactions of the diamines with various aromatic dianhydrides were studied. the result showed that the polyimides prepared by these fluoride m - diamines have excellent solubility, they are soluble not only in strong polarity solvents but also in weak polarity solvents, some of them are even soluble in toluene

    結果表明，由此類二胺單體制備的聚酰亞胺具有優良的溶解性能，不僅可溶於強極性溶劑，還可溶於某些弱極性溶劑中，有的甚至在甲苯中也具有較好的溶解能力，表明這類聚酰亞胺溶解性能優良。
  4. Preparation of poly lactic acid by melt polycondensation and its reaction kinetics

    磺化反應的最佳時間為
  5. Optimization of pet solid - state polycondensation process

    固相縮聚生產過程優化
  6. Final polycondensation reaction system

    終縮聚反應系統
  7. Polycondensation reaction system

    縮聚反應系統
  8. Detailedly introduces definition classification and character of interfacial polycondensation and influential factors of polycondensate molecular weight

    並著重介紹了界面縮聚的定義、分類、特點以及影響縮聚物分子量的因素。
  9. It is found that changing of catalyst and solvent will influence the relatively reaction velocity of hydrolysis and polycondensation and therefore change the pore structure of resulted silica gel glass matrix. as the result, the ideal prescription for silica gel glass matrix is proposed

    確證通過調整催化劑和溶劑的種類及控制乾燥化學試劑的添加，可以改變水解和縮聚反應的相對速率，有效實現對硅氧凝膠玻璃基質孔結構的裁剪與設浙江大學博士學位論文計。
  10. Final polycondensation reaction

    終縮聚反應
  11. Prepolycondensation reaction second polycondensation reaction system pre - polymerize filter system

    予縮聚反應系統第二予縮聚反應系統
  12. It is mainly synthesized by two chemical ways : ring - opening polymerization and direct polycondensation

    合成聚蘋果酸的化學方法主要有開環聚合法與直接聚合法。
  13. A mathematical model of microscopic quality for polycondensation process in pet production

    聚酯工業縮聚過程的微觀質量數學模型
  14. The amount of catalyst can be reduced by selecting nice solvability catalyst, cutting down the remnant carboxyl amount of esterification and elevating polycondensation temperature

    選擇溶解性能好的催化劑，降低酯化殘存羧基量，提高縮聚溫度，可減少催化劑用量。
  15. Study of catalytic activity of antimony compounds in the polycondensation of bis - hydroxyethyl terephthalate

    對苯二甲酸乙二酯縮聚所用銻系催化劑催化活性研究
  16. These microlites and richer amorphous region will benefit the polycondensation reaction of pet, the diffusion of volatile by - products, and the approach of the end - groups of pet molecular chains by forming more routeways, which may result in the higher rate of ssp

    作者認為這些更多數量的微晶體有利於固相縮聚過程中副產物小分子的擴散去除及pet大分子鏈端基的擴散接近，從而在宏觀上表現為pet mmt的固相縮聚速率大大提高。
  17. The preparation methods, reaction mechanism and properties of poly ( malic acid ) synthesized by direct polycondensation are reviewed, and the prospects in this field are also introduced

    作者綜述了直接聚合法合成聚蘋果酸的方法、反應機理及性質，並展望了直接聚合法合成聚蘋果酸的前景。
  18. In this thesis, the pet / montmorillonite ( mmt ) nanocomposites and pure pet with high molecular weight were prepared by solid state polycondensation ( ssp ) so as to meet the needs of industrial fiber. the fiber was spun and drawn in proper conditions. the microstructure of pet / mmt nanocomposites was studied

    本論文以常規分子量的聚對苯二甲酸乙二酯蒙脫土（ pet mmt ）納米復合材料和純pet為原料，通過固相縮聚的方法，來提高樣品的特性粘度，使之達到工業用纖維所需的分子量要求。
  19. The present article reviews recent advances in synthesis of biodegradable polyesters, which include aliphatic polyester and polyester containing aromatic constituents, by polycondensation from the standpoint of molecular design

    摘要本文從分子設計的角度，綜述了縮聚法合成生物可降解聚酯的研究進展，涉及脂肪族聚酯和含有芳香組分聚酯的合成。
  20. The structure of activity of humic was affected by utilization and soil forming mother rock. as the human behavior frequently disturbed the soil, humic molecules weight became less ; polycondensation degree and aromatility of soil humic deceased, and its activity became intense

    利用方式和母巖都影響著土壤腐殖質胡敏酸的結構和活性，人為影響愈頻繁，土壤腐殖質胡敏酸分子量小、縮合度和芳構化度低、活性強。
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