聚甲基化作用 的英文怎麼說

中文拼音 [jùjiǎjīhuàzuòyòng]
聚甲基化作用 英文
polymethylation
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  • 甲 : Ⅰ名詞1 （天乾的第一位） the first of the ten heavenly stems2 （爬行動物和節肢動物身上的硬殼） she...
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 甲基 : methyl; methylium; carbinyl; hexanone
  1. The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition

    系統研究了ba 、甲基丙烯酸甲酯（ mmal苯乙烯舊t ）以及它們的共聚體系在超聲輻照作用下包裹聚合的主要影響因素，結果表明： ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對超聲輻照包裹乳液聚合以及復合體系的穩定性有較大的影響。
  2. The prepn. of dimethyldiallylammonium chloride monomer and the related polymers was summarized, and the use of the derivatives in text, dyeing and printing as antistatic, color fixing and flocculating agents were presented

    摘要簡述了二甲基二烯丙基氯化銨單體及其相關聚合物的制備方法，介紹了聚二甲基二烯丙基氯化銨及其衍生物產品在紡織印染行業中作為抗靜電劑、固色劑和絮凝劑的應用。
  3. Poly - o - toluidine ( pot ) is selected as the electro - catalyst of 2, 5 - dimercaptan - 1, 3, 4 - thiadiazole ( dmct ) because the solubility of pot in organic solvents is much higher than that of pan. therefore, dmct can contact with pot at molecular level. it suggests that the oxidative reaction order is 2 and the reduced reaction order is 1 by testing its electrode kinetics

    聚苯胺難以溶於有機溶劑，因此選用易溶於有機溶劑的聚苯胺衍生物聚鄰甲基苯胺（ pot ）作有機硫化合物2 ， 5 -二巰基- 1 ， 3 ， 4 -噻二唑（ dmct ）的電催化劑，兩者可以達到分子水平的復合。
  4. The catalytic activity of ( hmbp ) 2ticl2was lower than - diketonate titanium catalysts. the catalytic activity of dinuclear - diketonate titanium catalysts was comparative to mononuclear ones. however, the dinuclear - diketonate titanium catalyst showed the synergism effect, for example, the lower catalyst concentration and the molar ratio of al to ti, the activity reached the maximum value at 80, the melting temperature of polymer was enhanced

    2 -羥基苯酮鈦[ （ hmbp ） _ 2ticl _ 2 ]的催化活性低於-二酮鈦類催化劑；雙核催化劑在催化活性方面與對應單核催化劑相差不多，但在聚合規律上表現出與單核催化劑不同的雙核協同作用，如聚合所需的催化劑濃度、助催化劑甲基鋁氧烷mao量降低，活性在80時出現極值，熔點提高等，而且雙核催化劑是單活性中心催化劑。
  5. This is attributed to the stabilization of the excited state of intermediate of luminol by the interaction with the positively charged pee modified layer

    荷正電的聚乙烯亞胺修飾分子與魯米諾激發態3 -氨基鄰苯二甲酸陰離子間靜電相互作用而導致的激發態穩定性增加;對魯米諾分子的電化學發光的增強起著關鍵作用。
  6. 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。
  7. In view of the poor thermal stability of polyoxymethylene ( pom ) induced by the residual catalyst and unstable end groups formed in the synthesis of pom. the pom was treated by amine, and the effects of the variety of amine compounds, treatment technology and water content on the thermal stability of pom were investigated ; the effect of triethanolamine on the thermal stability of pom was further studied by means of isothermal mass loss, isothermal mass loss rate, and formaldehyde emission amount

    摘要針對聚甲醛由於合成中殘留催化劑及不穩定端基導致其熱穩定較差的問題，採用胺對聚甲醛進行處理，並考察了胺種類、胺處理工藝及水用量對聚甲醛熱穩定性能影響；採用等溫熱質量損失率、等溫熱質量損失速率、甲醛釋放量分析等方法對三乙醇胺對pom的熱穩定作用進行了進一步研究。
  8. The grafted membranes were capable of rejecting an anionic dyestuff. in common with other polyelectrolytes, the conformation of grafted ampsa polymeric chains is sensitive to environmental factors such as ph and ionic strength ( i )

    聚丙烯酰胺基甲基丙磺酸為高分子電解質，接枝在膜表面后高分子鏈與溶質分子相互作用，可使接枝鏈構象發生變化，從而改變膜孔徑的大小，使膜具有環境響應。
  9. Based on the liquid crystal polymer theory, two kinds of polyacrylates were synthesized by choosing biphenyl group as rigid nucleus of mesophase group and six methylene chain as flexible spacing group. an important chiral additive was synthesized by choosing l ( - ) ~ 2 - octanol as chiral group. mixture was made of the additive and liquid crystalline polymer, which structure was identified by ftit, " ii nmr, dsc and pom

    本論文根據液晶分子結構理論，選擇聯苯基作為介晶基元的剛性核、柔性的六亞甲基脂肪鏈為柔性間隔基，與丙烯酸反應，合成了兩種丙烯酸酯型聚合物；以拆分的l （ - ） 2 -辛醇為手性基團合成了一種液晶手性添加劑，並將所合成的手性添加劑與液晶聚合物共混，採用ftit 、 ~ 1h - nmr 、 dsc 、 pom等手段對合成的化合物、共混物進行了表徵。
  10. During the accelerated thermal aging and ultraviolet radiation aging of pmma which is used as the core materials of fiber in pof, it was found that the relative permittivity of pmma decreased significantly to approximately equal to its square refractive index

    摘要實驗中觀察到用作塑料光纖纖芯材料的純有機玻璃（聚甲基丙烯酸甲酯）在加速熱老化和紫外老化過程中其相對電容率急劇下降至大約等於其折射率的平方，即有機玻璃由極性聚合物變為非極性聚合物（ 「全去偶極子極化」現象） 。
  11. The aim of this thesis is in search of the catalysts which are moderate and stable for preparing mono - dispersed macroporous materials, by means of syndiotactic polymerization of styrene

    並且將部分催化劑用於苯乙烯與p -甲基苯乙烯共聚合、苯乙烯與乙烯共聚合，對材料的功能化作了初步的探討。
  12. In this paper, the copolymer of am 、 aa and amptac was synthesized in aqueous solution through radical polymerization. its function as water shut off agent was studied, comparing that of anionic polyacrylamide

    以丙烯酰胺、丙烯酸和2 -丙烯酰亞胺基- 2 -甲基丙基三甲基氯化銨為原料，以水作溶劑，選用氧化-還原引發體系，合成了一種新型兩性聚合物堵水劑，並與陰離子聚丙烯酰胺對比評價了其堵水性能。
  13. In this paper, we make use of hexadesyltrimethyl, an approximate ammonium compounding ( 15 - ch2 - number 17 ), ocatadecylaminechloried as cation exchange agents. the montorillonite is treated with these agents, which results in marked increase in their organophilic properties. the orgnic - montmorillonite has been identified by x - ray diffraction, different thermal analysis and infrared adsorption spectra

    在本文中，我們分別用十六烷基三甲基溴化銨、一種混銨鹽（ 15主鏈- ch2 -數量17 ）和十八烷基氯化銨作為陽離子交換劑，對蒙脫土進行了改性，使之由親水性變成親油性，繼而採用熔融插層方法制備了聚乙烯/蒙脫土復合材料。
  14. D - glucosamine hydrochloride is obtained from chitin or chitosan by hydrochloric acid hydrolysis. it is used as biochemical reagent and widely used in medicine synthesis. it can be also used as antibiotic and immunity assistant reagent and activator to guard the human body against fluvirus

    氨基葡萄糖鹽酸鹽由甲殼素或殼聚糖經鹽酸水解而成，它用作生化試劑，廣泛用於藥物合成，可用作抗細菌感染及免疫佐劑，是人體抗流感病毒的活化劑。
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