過乙烯基 的英文怎麼說

中文拼音 [guò]
過乙烯基 英文
supervinyi
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 名詞[化學] (有機化合物的一類) alkene; olefince
  1. 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加及添加水解抑制劑等技術,有效防止了-甲酰氧三甲氧硅烷在乳液聚合程中的渡水解及縮合反應,提高了聚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,並通對共聚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酸酯共聚物具有比純丙酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲酰氧硅烷和?甲酰氧三異丙氧硅烷;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酸酯乳液,且其聚合產物具有較高的力學及耐水性能。
  2. In this paper we studied the intercalation behavior of a new host matrix of x = l of zirconium proline - n - mtthyl phosphonate - phosphate ( a - zpmpp ), we successfully introduced butylamine heptylamine decanylamine ethanolamine diethylenetriamine ( 2e3a ) triethyleneteriamine ( 3e4a ) and tetrathyleneoctamine ( 4e5a ) guest molecules into a - zpmpp interlayer space. the intercalation complex were characterized by ir spectrum x - ray diffraction and tg - dsc thermal analysis, it has been found that a - zpmpp possess different intercalation behavior from a - zrp. because of the bulk of proline group, it affected the amount of guest molecule, mono - alkylamine form mono - molecule layer in the interlayer space, butylamine, decanylamine and ethanolamine form mono - layer and the carbon chain form 90 degree ordered assembly with the zirconium floor of a - zpmpp, every host molecule absorbed 0. 5 guest molecule

    本文報道首次以x ? l的層狀(脯氨酸十一甲磷酸一磷酸氫)鉛( a zpmpp )為主體底物,成功地將客體分子:正丁胺、正慶胺、正癸胺、醇胺、二三股、三四胺、四五股插入層狀化合物a zpmpp的層間,通紅外光譜( ir ) 、 x射線衍射( xrd ) 、熱重分析( tg dsc )等手段對插層復合物進行結構表徵,結果表明: x ? l的層狀(脯氨酸件一甲磷酸一磷酸氫)鉛具有不同於無機磷酸結的插層性能,由於層間脯氨酸團的體積較大,影響客體分子進入的數量,胺分子在層板間取單層排列。
  3. The spectrum evolution of the femtosecond laser pulse in a three - level organic molecular medium ( 4, 4 ' - bis ( dimethylamino ) stilbene ) is studied theoretically by solving the maxwell - bloch equations using an iterative predictor - corrector finite - difference time - domain method

    摘要通採用預估校正的時域有限差分法求解麥克斯韋布洛赫方程,我們研究了飛秒激光脈沖在三能級有機分子( 4 , 4 ' -二甲氨二苯分子)介質中傳播時脈沖的頻譜演化情況。
  4. On the theory, the predictive function control method based on the state space is discussed and the simulation results validate the pfc method ' s advantages on robust and anti - jamming comparing with pid method by computer simulation. the application research includes the application of the software of predictive function control ( apc - pfc ) and the software of the multiple - variables predictive control ( apc - hiecori ). the former were applied in the temperature control chlorinating process and ph control in the process of zymolysis of penicillin, the latter were applied in the advanced control of reclaim equipment of lox in china petroleum & chemical corporation yangzi petrochemical co., ltd

    本文主要從理論和應用兩方面對預測控制方法進行了研究,理論方面主要是從預測函數控制的本原理出發,研究了一般情況下的於狀態空間描述的預測函數控制策略,並通計算機模擬驗證了pfc演算法比常規pid演算法具有更好的魯棒性和抗干擾性:在實際工業程的應用上,又分為兩類演算法及軟體的應用,預測函數控制策略及apc - pfc軟體的應用主要以聚氯化程的溫度控制和青霉素發酵程的ph值控制為主,多變量預測控制演算法和apc - hiecon軟體的應用主要以揚子石化公司的液化氣回收裝置先進控制為主。
  5. In this article, the bellcore method was used to prepare polymer electrolyte membrane based on pvdf - hfp, and polymer electrolyte membranes under different conditions were prepared by changing sorts of solvents 、 ratio of dbp and solvent. effects of ratio of plasticizer and solvent on the liquid uptake 、 sem 、 mechanism capability 、 ionic conductivity 、 electrochemical stability window of polymer electrolyte membrane were also studied. through optimizing the preparation technics, the integrated effects of additives such as pc 、 ec 、 dbp and nanophase al2o3 on the ionic conductivity 、 liquid uptake were studied

    本文以聚偏氟-六氟丙共聚物pvdf - hfp為質,採用bellcore制膜法制備了pvdf - hfp聚合物電解質膜,通改變增塑劑dbp的含量、溶劑的種類及溶劑的含量制備了不同條件下的聚合物電解質膜,分別研究了增塑劑含量、溶劑含量等對聚合物電解質膜的吸液率、表面形貌、機械性能、離子電導率、電化學穩定窗口等的影響;對制備工藝進行了優化,研究了各種添加劑如pc 、 ec 、 dbp及納米al2o3對聚合物電解質膜的離子電導率、吸液率等性能的綜合影響。
  6. Iraq ' s procurement efforts include equipment that can filter and separate micro - organisms and toxins involved in biological weapons, equipment that can be used to concentrate the agent, growth media that can be used to continue producing anthrax and botulinum toxin, sterilization equipment for laboratories, glass - lined reactors and specialty pumps that can handle corrosive chemical weapons agents and precursors, large amounts of vinyl chloride, a precursor for nerve and blister agents, and other chemicals such as sodium sulfide, an important mustard agent precursor

    伊拉克采購的設備包括可濾和分離生化武器中微生物和毒素的設備;可用於為炭疽病毒和肉毒(桿)菌病毒集中藥劑和生長媒體的設備;實驗室殺菌設備;可處理腐蝕性化學武器藥劑、前體、氯化物(一種神經和水泡藥劑)及其他化學藥劑(如鈉硫化物,芥子氣藥劑的前體)的玻璃線紋反應堆和專業水泵。
  7. 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礎,以聚醚碸( pes )為主要成膜材料,以二甲亞碸為溶劑,並添加一定分子量的致孔劑( pvp ,聚吡咯烷酮)以及一定分子量的添加劑( peg ,聚二醇)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,然後通測試膜的結構和性能來評估其用於血液濾中的前景。
  8. We select polyethelyne as fundamental resin, natural scale graphite, expanded graphite by self - made, expanded graphite as conductive fillers to synthesize conductive composite through different techniques of compound mixing. the effects of the conductive composites of different conductive fillers and the different dosage of conductive fillers, different technology and the different dosage of compatibilizer ( mah grafted pe ) were studied respectively

    本論文就是據于這種思考,選用聚體樹脂,天然鱗片石墨、膨脹石墨、膨化石墨為導電填料,通選用不同的混合方法合成復合導電材料。研究了不同的導電填料及其用量、不同的工藝方法及相容劑的不同用量對復合體系性能的影響。
  9. The substitution of pervaporation for traditional separation in organic mixtures is of energy - saving and environment - protecting significance. in this paper, pervaporation of two kinds of organic mixtures is investigated : one is using ca membrane and ca - eva ( ethylene - co - ethylene acetate ) composite membrane for methanol removal from mtbe ( methyl t - butyl ether ), focused on the influence of casting solvent mixtures ; the other is utilizing proper membrane stuff and additive to separate p - xylene from m - xylene

    本文對兩類有機有機混合體系進行了滲透汽化膜程的研究,其一為醋酸纖維素( ca )膜及ca -醋酸共聚物( eva )復合膜用於甲特丁醚( mtbe )中少量甲醇( 5 meoh )的脫除,探討鑄膜混合溶劑及后處理技術對膜分離性能的影響。其二為運用適當的膜材料及添加劑去除間二甲苯( mx )中的少量對二甲苯( 10 px ) 。
  10. The test obsvervation include air temperature, ground temperature, foundation moisture, freeze depth, freeze capicity, freeze residual capicity, groundwater table and shape transform of canal lining, etc. throught systemic observation, analysis of impact about each factor on fundation freeze capicity, evaluate effect on anti freeze of various canal lining, comparison on technology and ecnomic of different method, a kind of main canal lining format is been recommended to engineering practice with siutable to ningxia local feature, fufilling the need of main canal safey i application, economic and practical, that is using polystyrene plate laying under concrete slate and grit taking replace of filling layer and optimizing design

    試驗觀測內容包括氣溫、地溫、土含水量、凍深、凍脹量、凍脹剩餘量、地下水位和砌體外觀變化等項目。通系統的觀測,分析各因素對土凍脹量的影響,評價各種襯砌型式的防凍西安理工大學工程碩士專業學位論文脹效果,並進行技術和經濟綜合分析比較,推薦出了適合我區特點、滿足乾渠安全運行、經濟實用、防凍脹效果好的乾渠防滲襯砌型式,即混凝土板下鋪設聚苯板和砂礫石換填層結構型式,加以優化設計,用於工程實踐。
  11. After looking up a large amount of native and foreign information, the materials used in the experiment were as follows : ptfe base, graphite filler, molybdenum disulfide filler, copper powder filler, carbon fiber and so on. the experimental method is that the formula was designed according to uniform experimental method, the relationship between formula and frictional property was found with spline function and then the representative test points were chosen from fitting curve to make verification test for optimization. the preparative technique of solid lubricant is cold - press sintering method

    查閱大量國內外文獻資料后確定原料為:聚四氟樹脂為體,加入石墨、二硫化鉬、銅粉、碳纖維等填料;試驗方法為:根據均勻試驗方法設計配方,用樣條函數找出配方與摩擦性能的關系,然後在擬合曲線上選取具有代表性的試驗點進行驗證試驗,達到優化的目的;制備工藝:冷壓燒結法制備固體潤滑劑。
  12. 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;聚四氟樹脂熱分解溫度超400 ,但在ptfe中加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,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性團,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,擬合曲線本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;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;純聚四氟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,在金屬表面均可形成潤滑轉移膜,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、少量聚四氟、 moo 。
  13. N - vinylpymolidone - co - 2 - hydroxyethyl methacrylate ( nw - co - hema ) copolymer had been widely studied and used as soft contact lens and controlled - releasing materials in foreign countrys. but this hydrogel material ' s oxygen penetration capability was closely correlated to its equation water content. when the hydrogel had high equation water content, its oxygen penetration capability was improved, but its mechanism performance was droped

    N -吡咯烷酮( nvp )和甲酸-羥己酯( hema )的共聚物水凝膠作為軟質接觸透鏡材料(隱形眼鏡)和藥物釋控材料,在國外已經得到深入研究和應用,但是這種水凝膠材料的氧氣透性能與其平衡含水量密切相關,水凝膠含水量較高,其氧氣透性能有所提高,但材料的機械性能下降。
  14. Industrial packagings. flexible and heat sealing protection materials. polyethylene based monolayer material having a water vapour transmission coefficient of 1 g m2 24 inferior or equal p inferior or equal 4 g m2 24 h

    工業包裝.撓性熱密封防護材料.水蒸汽透系數為1g m2 . 24h p 4g m2 . 24h的聚單層材料
  15. Study on the curing of vinyl ester resin composites

    酯樹脂復合材料的固化程研究
  16. Ingyang pet product company, a specialized manufacturer of pet products since 1989, from starting with only rawhide dog chews, through the past years, the company grows quickly and now it has become the largest manufacturer in china, which includes 35, 000 square meters and 1, 200 staffs, and was able to produce or offer dog chews rawhide chews, porkhide chews, pig ear and cotton chews, choke chains, nylon leashes muzzles, automatic leashes, pet toys, pet wears, bird cages, vinyl toys, etc, the monthly capability was over 100 containers.

    以生產唯一的生牛皮狗的咀嚼食物開始.通去幾年的努力,該公司迅速發展成為中國最大的製造商,擁有35000平方米的佔地面積和1200名職工。能生產或提供狗咀嚼食物生牛皮豬肉,豬耳朵及棉花咀碎片阻力氣鐐銬,尼拴狗頸帶和動物口套自動狗頸皮帶寵物玩具寵物衣服鳥籠玩具等每月生產量超100集裝箱。
  17. Sowa corrosion resistant floor is made of ethylene resin and other resin for specia lusage, after strictly mixed and professional treated, it can be used under many critical environments

    808時空搞腐地板採用樹脂,以及其他特殊用途的樹脂材經嚴格的配比及專業的施工工藝制定出系列的方案,滿足各種惡劣環境的地面要求。
  18. Abstract : focusing the key problem of liquid with high viscosity in heat transfer, experiments on mixing and reaction rate of hot liquid were carried out. a new polymerization process of methylvinyl silicone rubber was designed

    文摘:通對現有甲硅橡膠生產工藝、程和設備的分析研究,針對高粘度流體傳熱難度大的問題,進行了熱流體混合速度及反應速度的試驗,設計了一種生產甲硅橡膠的新工藝。
  19. In addition, two series of organic molecules have also been synthesized, one series is imidazole derivatives, which are formed by benzoimidazole and a - naphthyl, b - naphthyl, a - pyridyl

    另一個為有機小分子發光材料,它是由9 , 9 -二[ ( 4 -碘)苯]芴和咔唑通heck反應合成的。
  20. According to peak area of function group in ftir spectroscope, the different conversion time curves of [ sih ] and [ ch = ch2 ] during the reaction process were got and its reason was presented reasonably

    結果表明,在反應程中,硅氮的濃度減少呈非線性關系,這可能是硅氮在反應程中與空氣中的物質進行了反應,從而在消耗量上較多的緣故。
分享友人