聚乙二烯 的英文怎麼說

中文拼音 [jùyǐèrxī]
聚乙二烯 英文
polyinylidene
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  • 二 : Ⅰ數詞（一加一后所得） two Ⅱ形容詞（兩樣） different
  • 烯 : 名詞[化學] （有機化合物的一類） alkene; olefince
  1. Chiral quaternary ammonium salts were synthesized from cinchonine in cinchona alkaloids using chloromethylated polystyrene - polyethylene glycol, diethylene glycol, triethylene glycol and glycol as polymer - supported phase transfer catalysts, finsl products were characterized by ftir, elemental analysis, scanning electron microscopy, x - ray photoelectron spectroscopy ( xps )

    摘要以金雞納生物堿中的辛可寧為原料，氯甲基化聚苯乙烯聚乙二醇、一縮二乙二醇、二縮三乙二醇、乙二醇等為載體合成了幾種聚合物負載的手性季銨鹽，並對它們的結構用紅外光譜、元素分析、掃描電鏡和x射線光電子能譜等測試手段進行了表徵。
  2. Study on the esterifying process and kinetics of polythylene - glycol and methacrylic acid

    聚乙二醇與甲基丙烯酸的酯化工藝及動力學研究
  3. The article analyze the concrete drying shrinkage mechanism, find the major factors of affecting the drying shrinkage, analyze the lack of shrinkage reducing agent, who be of low molecular weight and line chain, design a new shrinkage reducing agent ? ? shrinkage reducing agent of poly - acrylate. the shrinkage reducing agent of poly - acrylate is mainly composed of crylic acid 、 cinnamene 、 poly - glycol 、 solicitating agent 、 chain transferring agent and activator, which come by these processes of polymerization 、 esterifing and neutralization to form a pectinate polymer, which have a high molecular weight and many poly - oxidative alkenes

    論文分析了混凝土乾燥收縮的機理，確定了影響乾燥收縮的關鍵因素，分析已有低分子量的、直鏈型減縮劑的不足，設計了一種新型的減縮劑? ?聚丙烯酸鹽類減縮劑，其主要由丙烯酸、苯乙烯、聚乙二醇、引發劑、鏈轉移劑、催化劑等經過聚合、酯化和中和反應，生成一種高分子量的、含聚氧化烯鏈的聚合物。
  4. Surface - active agent that this kind of product uses, for instance : gather ethylene glycol, ren base phenol and gather oxygen and ethylene ether, gather the amine salt in alcohol ether, polyvinyl alcohol, alkyl sulphonate, season etc.

    該類產品使用的表面活性劑如：聚乙二醇、壬基酚聚氧乙烯醚、聚醇醚、聚乙烯醇、烷基磺酸鹽、季胺鹽等。
  5. The dual - bath coagulation method suggested by j. a. va n ' t hof could be used in membranes with high selectivity clearance rate of low - molecular weight substances and moderate water flux theoretically. therefore it may be applied in the field of hemofiltration. to improve and optimize the performance of the pes ultrafiltration membrane applied in the hf, here the flat membranes and hollow fiber ( hf ) membranes are made in certain conditions based on the dual - bath coagulation method where pes is used as the membrane material, dmso as solvent and pvp & peg as additives this paper includes five parts as follow : 1

    為了改善和優化聚醚碸超濾膜（單浴法）在血液過濾實際應用中的性能，本論文以j . a . van ' thof等提出的雙凝固浴法為基礎，以聚醚碸（ pes ）為主要成膜材料，以二甲基亞碸為溶劑，並添加一定分子量的致孔劑（ pvp ，聚乙烯吡咯烷酮）以及一定分子量的添加劑（ peg ，聚乙二醇）按照一定配比在一定溫度下製成透明均一的鑄膜液，靜置脫泡后在一定的工藝條件下製成聚醚碸平板膜和中空纖維膜，然後通過測試膜的結構和性能來評估其用於血液過濾中的前景。
  6. A new kind of solid phase change material ( pcm ) prepared in our laboratory has been studied in this paper

    摘要制備了一種骨架為氯化聚丙烯、支鏈為聚乙二醇的新型相變材料。
  7. Synthesis of star - high vinyl polybutadiene

    星型高乙烯基聚丁二烯的合成
  8. The microphase seperation of s - sbs was also studied by transmission electron microscope. the difference of microphase seperation of sbs and s - sbs was compared by the way of staining the c = c by oso4

    通過用050 ;對雙鍵染色，比較了sbs與s - sbs在磺化前後聚苯乙烯相和聚丁二烯相的微相分離結構的差異，說明磺化改變了sbs的微觀結構。
  9. The synthesis technology of various liquid rubbers with different active group terminated, such as hydroxyl - terminated, carboxyl - terminated, isocyanate - terminated, ami - no - terminated, mercaptan - terminated and various main chains like polybutadiene, polyurethane, polystyrene were reviewed with 23 references

    摘要綜述了端羥基、端羧基、端異氰酸酯基、端氨基、端巰基等活性端基，以及聚丁二烯、聚氨酯、聚苯乙烯等不同主鏈結構的液體橡膠的合成技術。
  10. Moreover, because there are many kinds of surface - active agents, there are many kinds of prescription and making technology, therefore, it is various in style that the iodine produced is bent over, the iodine with the document report bends over more than 100 kinds, in market not of our country sell iodine bend over because too it more than 10 kinds, like gathering there aren t ethylene glycol the iodines, ren base phenol, the iodine can only exist to bend over with the liquid state, the stability is bad, the sterilization level is low, the poisonous side effect is different, have been eliminated for a long time in the western developed country

    再者，由於表面活性劑有很多種，配方和製作工藝也有很多種，因而，生成的碘伏種類繁多，有文獻報道的碘伏就有100多種，我國市場上銷售的碘伏也有10多種，像聚乙二醇碘、壬基酚聚氧乙烯醚碘、聚醇醚碘、洗必泰碘等等，這些碘伏都只能以液體狀態存在，穩定性差，殺菌水平低，毒副作用參差不，在西方發達國家早被淘汰。不同的碘伏，從理化特性到消殺效果是大不一樣的。
  11. In this paper, a new class of concrete high performance water reducer ( hpwr ) was designed from chemical classification of high performance wra, working principle and unit structure model of poly - carboxylate series wra. the comb - like copolymer structure of hpwr was " carboxylic group - ether link - ester link ". the synthetic chemical materials was polyethylene glycil, acrylic acid and methyl - metacrylic acid ester

    本文從高性能減水劑的化學結構、作用機理以及聚羧酸類減水劑的單元結構模型出發，設計出國內所沒有的一類新型高性能減水劑? ? 「羧酸?醚鍵?酯鍵」為單元結構模型的梳型分子結構的減水劑共聚物，並確定了以聚乙二醇（ peg ）系列、丙烯酸（ aa ） 、甲基丙烯酸甲酯（ mma ）為合成該類減水劑的主要化學原料。
  12. Catalytic synthesis of diallyl - polyethylene glycol by quaternaryammonium salt

    季銨鹽催化合成二烯丙基聚乙二醇的研究
  13. The spinning conditions include spinning methods, the pressure and types of filling liquid, the pes concentration, the molecular weight of pvp and peg and the coagulation length in the first coagulation bam

    紡制條件包括:紡絲方法、填充液的壓力和種類、聚醚礬質量分數、聚乙烯毗咯烷酮的相對分子質量、聚乙二醇的相對分子質量以及在第一凝固浴中的凝固長度等。
  14. Peg and superfluous aa reaction by complete concatenation method, the esterify production " esterify water " and acid number were mensurated, it shows that the esterify reaction would be processed under 100 esterify temperature and with amine accelerantthe tide of esterify reaction was substantiated by ir. in the ir spectrum, the characteristic peak of hydroxy of peg and carboxyl of aa were weakened. and the ester link of peg was reinforce. the " esterify water " was increased gradually and the acid number of esterify production was debased gradually along with the extent of esterify time and the augmentation of molecular weight of peg

    通過聚乙二醇與過量的丙烯酸採用全連續法進行反應，測定酯化產物「酯化水」和酸值等宏觀手段反映出在胺類促進劑、 100的酯化溫度等條件下的酯化進程，而利用紅外光譜（ ir ）分析所反映的聚乙二醇的羥基和丙烯酸的羧基特徵峰減弱，而pea的酯基特徵峰加強等特徵進一步證實了宏觀手段所表現出來的酯化趨勢：隨著酯化時間的延長和聚乙二醇分子量的增大，產生的「酯化水」逐漸增加，酯化產物的酸值逐漸降低；從酯化時間看，當反應時間達到300min時，酯化物的酸值達到最小，而從ir分析來看，酯化物pea4的羥基峰在300min時減弱到最小， pea23在120min時羥基峰的表現出酯化基本完全。
  15. The diffusion of polypropylene - g - poly ( ethylene glycol ) ( pp - g - peg ) segments in pp blends was investigated by means of atr - ftir and sem

    摘要利用atr - ftir光譜對聚合物表面的組成進行定量分析，通過擴散動力學方程、擬合曲線和擴散系數考察了聚丙烯蠟聚乙二醇接枝共聚物在聚丙烯共混體系中的遷移擴散。
  16. " ocean grand chemicals " or the " group " sehk code : 2882, a subsidiary of hong kong - listed ocean grand holdings limited sehk code : 1220, today announced its university - industry collaboration programme. it is a joint project with the university of hong kong " hku " to carry out research on efficient extraction of trace precious metals from industrial effluents via novel water compatible solid - phase separable scavengers

    海域化工或集團香港聯交所股份編號： 2882今日宣布一項大學與工業合作計劃，由集團與香港大學共同研究通過用新創水容聚乙二醇聚苯乙烯固相分離萃取劑方法，更有效地從工業排放物中提取貴金屬。
  17. Effect of preculture beads were encapsulated and incubated in culture medium containing 2 % peg and 5 % pvp respectively for 90 min before dehydration. cell viability of pavlova viridis was increased by 6 % after freezing. preculture had less effect on cell viabilities of other two algae

    （ 4 ）預培養的影響將膠球在分別含有2 %聚乙二醇（ peg ）和5 %聚乙烯吡咯烷酮（ pvp ）的培養基中預培養90min后脫水。綠色巴夫藻冰凍前後的存活率都有提高，最大可提高5 % 。
  18. Pvdf. 3 : plastics piping systems for industrial applications - poly vinylidene fluoride - fittings

    工業用聚氟乙二烯
  19. Pvdf. plastics piping systems for industrial applications - poly vinylidene fluoride - pipes

    工業用塑料管道系統.聚氟乙二烯
  20. Pvdf. plastics piping systems for industrial applications - poly vinylidene fluoride - general

    工業用塑料管道系統.聚氟乙二烯
分享友人
分享到 Line

分享到臉書