聚加成反應 的英文怎麼說

中文拼音 [jiāchéngfǎnyīng]
聚加成反應 英文
polyaddition
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  1. Because of the assemble - ease characteristic of oxide, the adscititious powder agglomerates added into al melt have a bigger size and need more time to finishing the in - situ reaction in mixing melt

    氧化鐵粉末由於極易團大尺寸粉末團,不易分散細化,大大增了其徹底所需的時間。
  2. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機硅單體延遲滴及添水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液合過程中的過渡水解及縮合,提高了合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共物具有比純丙烯酸酯合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解出水解、縮合速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其合產物具有較高的力學及耐水性能。
  3. Depending upon reaction conditions, the product may be a polyketone formed b y addition polymerization of the ketene double bond.

    隨著條件的不同,產物可以是由烯酮的雙鍵合得到的酮。
  4. Using the semi - batch synthesis techniques, a grafting reaction mechanism is adopted to prepare a core - shell composite latex of siloxane / acrylate based copolymer

    利用接枝和種子溶脹半連續滴技術合有機硅氧烷丙烯酸酯復合乳液。
  5. The microgels of close monodispersity with different volume and cross - linking density can be prepared by using an inverse emulsion polymerization method. both artificial and natural materials, including zeolites, membranes, vesicles, liquid crystal, microemulsion, micelles, biopolymers, etc., have been used as template. the three - dimentional network structure and spherical morphology of polymeric microgels may guarantee the homogeneous of the structure of the composite, the size and the morphology of the various organic - inorganic composites with unusual structures

    相乳液合條件下,通過控制條件可以得到體積不同、交聯度不同的近乎單分散的微凝膠,如同分子篩、單(多)分子膜、囊泡、液晶、微乳液、膠束、生物大分子等可作為微納米無機材料合模板一樣,高分子微凝膠所特有的三維網路結構和球形形貌有可能對在其中進行的無機結晶或沉積限域和導向作用,從而控制所生無機材料的形貌和大小,得到各種具有特異結構的無機-有機復合材料。
  6. The definition, classification, mechanism and application of electrochemical polymerization are introduced in this paper. the essential difference between electrochemical condensation polymerization and electrochemical addition polymerization has been elucidated especially. in addition, a new concept of electrochemical cyano addition polymerization has been put forward

    介紹了電化學的定義、分類、機理和用,闡述了電化學縮合和電化學這兩大類電化學的本質差別,另外還提出了電化學氰基的概念。
  7. The first group is polyurethane prepolumer which is made from polyether resin and diisocyanate etc after polymerization ; the second group is made by mixing up cross linker, accelerator, softener, densifier, mold preventive and stuffing etc

    甲組分別是以醚樹脂和二異氰酸脂等為原料,經的含端異氰酸脂基的氨基甲酸脂預物;乙組分別由交聯劑、促進劑、增韌劑、增黏劑、防霉劑和填充劑等混合工而
  8. The results of the uni - factor experiments and perpendicular experiments show their best mechanic synthesizing craft as followed : nvp ( 10 % wt ), kh570 ( 20 % wt ), hema ( 70 % wt ), initiator ( 0. 2 % wt ), crosslinker ( 20 % wt ), reacting 20 hours under 80 c. the factors which influenced organic silicon modified pvp hydrogel soft contact lens material ' s swelling capabilities were researched, which included temperature, monomer content, ion concentration etc. the experiments showed the equation swelling content ewc improved with the increase of nw, droped with the increase of kh570 and ion concentration, improved then droped with the raise of temperature, and hydrogels got the least ewc at 45 c. experiment carried on todiscuss water dehydration mechanism of organic silicon modified pvp hydrogel soft contact lens materials, which showed dehydration process could be divided into evaporating stage and diffusing stage

    正交實驗結果表明, nvp ? hema ? kh570共物的機械性能最佳時,其合工藝條件為: nvp用量10 (質量百分含量,下同) , kh570用量20 , hema用量70 ,引發劑aibn用量0 . 2 ,交聯劑nmba用量0 . 2 ,溫度為80 ,時間16h 。討論了單體配比、溶脹溫度、離子濃度等因素對有機硅改性pvp水凝膠軟接觸透鏡材料溶脹性能的影響。實驗得出:水凝膠材料的平衡溶脹度ewc隨單體nvp含量的增而增大, ewc隨kh570用量的增而減小,隨離子濃度的增大而略微降低,隨溶脹溫度的升高先稍微下降後有所提高, 45時平衡含水量最低。
  9. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不銅粉或不石墨,其摩擦系數均較高,說明銅粉和石墨該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量四氟乙烯、 moo 。
  10. White and odourless powder, a stable, non - oxidizing and reducing compound, this product is mainly used in the dyeing industry, secondly used for organic synthesis in the synthetic fibre industry

    主要用於染色工業,其次用於合纖維工業有機合,還用作乙烯穩定劑照相乳膠敏化劑等。其優點是貯運安全還原電位高,效果明顯。
  11. Acetylene is one of the most simple and important chemical compound in acetylene series. it has an active chemical property, easy to synthisize, polymerize and cause other chemical reactions

    乙炔是炔烴中最簡單也是最重要的一個化合物,它的化學性質非常活潑,容易進行合以及其它化學
  12. This fabrication ' s main factors were photoresister ' s reactive light wave length, uv wave length, focusing area and light intensity. this technique could easily fabricate 3d microstructures

    立體微影工之主要因素有光阻的波長、紫外線光波長、焦面積及光強度。目標為傳統微機電工難以達之三維微結構工。
  13. Saponification slag, which main composition is ca ( oh ) 2, is a by - product of chemical factories when they produce pvc by calcium - carbide - method

    皂化渣是化工廠用電石法生產氯乙烯(俗稱pvc )時生的副產品,是電石渣參皂化后產生的一種工業廢渣,其主要分為ca ( oh ) _ 2等。
  14. Polymers are most commonly formed by two main types of growth reaction traditionally referred to us condensation (step reaction) and addition (chain reaction) processes.

    合物的最普通方式是靠兩種主要的增長,習慣上分別稱做縮合(逐步)過程和(鏈式)過程。
  15. The contrast is higher, the amount of reflect becomes more ; and the sedimet is deeper, the shaking duration becomes longer. so. as the contrast higher and the depth deeper, more waves converge on the basin, more waves interfere with each other, the duration is longer, the amplitude of displacement or accelerate is larger, and the fourier responce spectra contain more components

    所以,基巖與沉積層的剪切波速比越大,沉積層的深度越大,波就越容易集在盆地中,中國地震局工程力學研究所碩士論文波與波之間的干涉機會就越多,盆地的振動時間就越長,沉積層的位移和速度就越大,波的頻譜分就越豐富。
  16. 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,合了兩種丙烯酸酯型合物;以拆分的l ( - ) 2 -辛醇為手性基團合了一種液晶手性添劑,並將所合的手性添劑與液晶合物共混,採用ftit 、 ~ 1h - nmr 、 dsc 、 pom等手段對合的化合物、共混物進行了表徵。
  17. It was found that in the simulated physiological solution, the hydrogen bindings between some amido groups in the mp - 11 molecules are decomposed and the mp - 11 dimers become monomers. it induces the increase in the contents of the a - helical and ( 3 - turn conformation, the decrease in the content of the random coil conformation of mp - 11 as well as the increase in the exposure extent of the heme group. therefore, the reversibility of the electrochemical reaction and the electrocatalytic activity of mp - 11 for h2o2 reduction increase comparing the situation in the aqueous solution

    發現在模擬生理條件下, mp - 11分子的多肽鏈上一些酰氨基的氫鍵發生了解離,使部分雙的mp - 11分子變單體分子, mp - 11分子二級結構中-螺旋和-轉角結構的含量增,無規捲曲結構含量降低,導致了mp - 11分子中血紅素的暴露程度變大,因此mp - 11電化學的可逆性和對h _ 2o _ 2還原的電催化活性比在水溶液中有所增
  18. The structures of these prepolymers were characterized by fourier transform infrared ( ftir ) spectra. some influencing factors such as operation fashion, reaction temperature and catalyst on synthetic reactions were studied. through some repeated experiment, the optimum conditions of synthetic reactions were got

    對影響合的諸多因素如料方式、原料配比、溫度、催化劑、阻劑等方面進行了研究,分別得到了適宜的合條件,經過大量重復性實驗,驗證了這些合條件的可靠性。
  19. In the microemulsions - mediated methods, the nanosize water droplets show thermodynamically stabilization by the means of the surfactants ( sometimes and cosurfactants ) films, that serve as nanosize test tubes, thus limiting particles growth and minimizing particle aggregation. the technique have been applied in some fields including inorganic nanoparticles synthesis, organic polymerization and enzyme catalyst activitization

    相微乳液中,由於表面活性劑和助表面活性劑的作用,提供了一個熱力學穩定的納米尺度的水核空間,該水核空間作為可以調節的模版(又稱為智能微器) ,對于合各種無機納米粒子、有機物的合以及增酶的活性都已經引起了廣泛的注意。
  20. The results show that compared with the intermittent polymerization, the semi - continuous polymerization can greatly improve the reaction rate, and polymer with high relative molecular weight can be easily obtained

    研究表明:與間歇式合相比,採用雙螺桿擠出機進行半連續化合可以大大的速度,同時還容易制得相對分子質量較高的合物。
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