間規聚丙烯 的英文怎麼說

中文拼音 [jiānguībǐng]
間規聚丙烯 英文
syndiotactic polypropylene
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ名詞1 (畫圓形的工具) instrument for drawing circles 2 (規則; 成例) rule; regulation 3 [機械...
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : Ⅰ名詞1. (天乾的第三位) the third of the ten heavenly stems2. (姓氏) a surname Ⅱ數詞(第三) third
  • : 名詞[化學] (有機化合物的一類) alkene; olefince
  1. Increasing ultrasound intensity in the range of cavitation threshold and cavitation peak value, decreasing monomer concentration and increasing the temperature make the induction period shorter. under optimized reaction conditions, the conversion of ba can reach 90 % in 11 min at high n2 flow rate the viscosity average molecular weight of the obtained pba reaches 5. 24 106. the molecular weight of pba varies with ultrasonic irradiation time, indicating that the ultrasonic induced emulsion polymerization is dynamic and quite complicated, polymerization of monomer as well as degradation of polymer occurs concomitantly

    一、實現了無常化學引發劑存在下的超聲輻照引發酸正丁酯( ba )歇乳液合,制備了pba納米粒子,在11min內轉化率達到90 ,分子量達5 . 24 10 ~ 6 ,隨反應時的延長而降低,表明超聲輻照引發乳液合是一個動態的復雜過程,單體的合和合物的降解同時發生。
  2. Structures of the camp fibers were also discussed. the results showed that the hydrogen bonding between the pva and caa damaged the regularity of crystalline field and the crystallinity of the fibers reduced. the cluster structures of each phase in the blend were changed and movement of the molecular chain segment was reduced

    對camp纖維結構的研究表明, pva與酸-酰胺共物( caa )共混后,大分子的氫鍵作用破壞了pva晶區結構的整性,導致pva在camp纖維中的結晶性明顯減弱;兩種共混組分的集態結構發生變化,大分子鏈段運動受到影響。
  3. The camp fiber has large water absorbency and good water retention capacity. the influence of the synthetic variables and post - crosslinking process on water - absorbency of the camp fibers were studied in this paper, the results showed that the optimal synthetic conditions were as follows : the initiator concentration, 0. 4wt % of the monomer concentration ; degree of neutralization of acrylic acid, 85 % ; the amount of acrylamide and poly ( vinyl alcohol ) in the blends, 20 % and 20 % respectively ; and the post - crosslinking agent content, 0. 5 %

    結果表明,當引發劑過硫酸鉀( kps )用量為單體的0 . 4wt 、酸( aa )中和度為85 、酰胺( am )含量20 、醇( pva )含量為20 ,且后交聯劑用量為0 . 5 ,后交聯溫度和時分別為120 、 4min時,所得camp纖維的吸水性能較好,隨著后交聯溫度提高, camp纖維的集態結構變得整。
  4. Specification for solvent cements for transition joints between acrylonitrile - butadiene - styrene and poly vinyl chloride non - pressure piping components

    腈-丁二-苯乙物和氯乙無壓管道系統構件之轉換接頭用液狀粘固劑
  5. Standard specification for solvent cements for transition joints between acrylonitrile - butadiene - styrene and poly vinyl chloride non - pressure piping components

    腈-丁二-苯乙物和氯乙無壓管道系統構件之轉換接頭用液態粘結劑的標準
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