聚合團 的英文怎麼說
中文拼音 [jùgětuán]
聚合團
英文
polymerized grouping-
Researching into tg - dt diagrams, we have concluded as follows : the initial decomposition temperature ( idct ) of polymer ( i ) is 220c and the first lost group ( flg ) ls carboxide ; the idct of polymer ( hi ) is 194cand the flg is - nh ; so the pyrolysis mechanisms of the two polymers are different
對聚合物( d和聚合物( l11 )的tg一ot研究表明:聚合物( d的開始分解溫度為220 ,失去的第一個基團為> c = 0 ;聚合物( 11工)的開始分解溫度為! 94oc ,先失基團為一陽,兩者的熱解機理不盡相同。Using templates is an important method to regulate and control the morphology and size of crystal. according to the characterization of templates and the ability of their domain limitation, template methods were divided into two parts, hard - template methods and soft - template methods. soft - template methods mainly included many kinds ordered congeries that composed by amphiphathic molecules, such as liquid crystal, colloid, microemulsion, vesicle, lb films, self - assemble films, and so on, the self - assemble structure of macromolecules and biomacromolecules was also included
模板法是對晶體的形貌和尺寸進行控制的一類重要的方法,根據模板自身的特點和限域能力的不同分為硬模板和軟模板,軟模板主要包括兩親分子形成的各種有序聚合物,如液晶、膠團、微乳狀液、囊泡、 lb膜、自組裝膜等,以及高分子的自組織結構和生物大分子等。Group transfer polymerization gtp
基團轉移聚合Thanksgiving day is a time to offer thanks, a time of family gatherings and holiday meals, a time of turkeys, stuffing and pumpkin pie, and a time for indian corn, holiday parades and giant balloons
感恩節是一個感謝恩賜,家庭團聚,合家歡宴的日子;是一個家家餐桌上都有火雞、填料、南瓜餡餅的日子。In this paper, pan based metal gradient composites films ( pmgcf ) were prepared by electrochemical reduction. the effect of polymer matrix on pmgcf and preparation and its forming mechanism of pmgcf were invested, they are as follows : lacrylonitrile - methyl - methacrylate copolymer, acryonitrile - itaconic acid copolymer, acrylonitrile - methyl methacry late - sodium allyl sulfonate terpolymer have been synthesized seperately in order to analyze the effects of the mma monomer unites and the hydrophilic unites of acryonitrile terpolymer on the process of copper deposition in polyacrylonitrile - based metal gradient composite film ( pmgcf ) as well as the flexibility of the film
其內容如下: 1通過合成的丙烯腈?甲基丙烯酸甲酯二元共聚物( p ( an - mma ) ) ,丙烯腈?亞甲基丁二酸二元共聚物( p ( an - ita ) ) ,丙烯腈-甲基丙烯酸甲酯?丙烯磺酸鈉三元共聚物( p ( an - mma - as ) )分別作為基體制備了聚合物基金屬梯度復合膜材料( pmgcf ) ,以分析加入的mma基團和親水性基團對pmgcf沉積層中金屬銅的梯度分佈形態和膜的柔韌性的影響。Added monomer diffuses into the micelle for polymerization
加入的單體擴散進入膠團做聚合反應。The wet plating method permits to improve the adhesion of plating layers by treating the surface of polymers with an acid to generate the concavo - convex and forming the polar functional groups ( see, metal surface compendium, plastic plating techniques, page 13 )
濕鍍方法可以改進鍍層的粘附能力,其方法是用酸處理聚合物表面,以產生凸凹並形成極性基團。Based on the analysis and summary of related literature, three organic and polymer electroluminescence ( el ) materials have been synthesized. one copolymer consists of polyvinylcarbazole moiety, which can form high quality thin films with excellent hole - transporting function and binaphthyl moiety, which emits blue fluorescence
其中,一個共聚高分子為分子中含有典型的空穴傳輸功能的乙烯基咔唑基團和有較好發光效率並能發藍光的聯萘基的非共軛聚合物( dmbn - vcz ) 。Coiling type polymer
線團狀聚合物Because of the aggergation of pam, the stabilization of aggregates was greatly increased, and the rate of rainfall splash erosion was small. but with rainfall going on, the rate of splash erosion would be greatly increased
八、土壤聚合劑聚丙烯酰胺( pam )對土壤濺蝕的影響:由於聚丙烯酰胺的聚合作用,使得土壤團聚體的穩定性增大,土壤濺蝕速率較小。Secondly, essential law of soil crust formation was obtained : when coarse sand exceeded 50 %, soil crust dominated by depositional crust would be formed. when soil clay exceeded 30 % and soil aggregated degree was less than 140 %, soil surface tended to form soil crust dominated by structural crust
四、土壤聚合劑聚丙烯酰胺( pam )對控製表土結皮形成的效果: pam能控製表土結皮形成的主要原因是, pam能改善土壤的結構狀況,顯著提高土壤團聚體的穩定性,從而有效的抑制了表土結皮的形成。The budgeting can make enterprise groups form a sort of strong, ordered adhesion and embody the competent advantage of enterprise groups and foster the core competence of enterprise groups
它可以使企業集團形成一種強大的、秩序性的聚合力,突現企業集團的競爭優勢,構建企業集團的核心競爭力。We hope more young and senior lawyers to join this group, to learn and grow together. for offering complete and professional services to our clients, we propose our business concepts as following : 1
我們結合多位青壯且資深的律師,聚集團隊力量,共同學習成長,為客戶提供完整且專業的服務,我們提出以下執業理念,用以自勉與自省For this purpose, 2, 5 - diaminobenzene sulphonic acid ( dabsa ) [ c6h3 ( nh2 ) 2so3h ] can be selected as one monomer of ip reaction. the other monomer can be trimesoyl chloride ( tmc ) [ c6h3 ( coc1 ) 3 ]. in order to introduce the cationic group into membrane, 4 - ( chloromethyl ) benzoyl chloride ( cmbc ) [ ch2c1c6h4 ( coc1 ) ] could be added into organic phase ( tmc ) and used for chemical modification after ip process based on the reaction between 4 - ( chloromethyl ) benzoyl chloride and trimethylamine ( tma )
為了引入陽離子交換基團,本文採用2 , 5 -二胺基苯磺酸作為界面聚合的無機相單體;為了引入陰離子交換基團,在均苯三甲酰氯有機相單體中加入一定量的4 -氯甲基苯酰氯,並考慮在無機相中加入適量的聚乙烯亞胺( pei )以增加其正荷電性。In order to reduce the membrane ' s cost, we prepared the membrane by simultaneous radiation grafting of styrene onto teflon - polytetrafluorethylene films and subsequent sulfonated by the chlorosulfonic acid introducing the activity sulfonic acid grape into the grafting side chains of the polymer films
在實驗中採用高能輻射技術,先將苯乙烯單體接枝到聚四氟乙烯聚合物基體上,后經氯磺酸磺化反應引入磺酸基團,合成了滿足燃料電池性能要求的質子交換膜。Thermoplastic phenol - formaldehyde resin bond synthesized by solution po1ymeization is commonly used in making diamond grinding wheel, which has disadvantages such as : absorbing moisture, difficult mixing, can not being long term store, needing curing agent, and giving off dangerous gas
目前,金剛石樹脂砂輪普遍採用溶液聚合熱塑性酚醛樹脂作結合劑,此結合劑存在著易吸潮結團、混料困難、不易長期存放,需加固化劑才能固化,且固化過程中有大量的有害氣體溢出,使用時需要加工成粉末等缺點。After interfacial polymerization, the module was filled with a 10 % ( wt. % ) aqueous trimethylamine solution and kept for 24 hours to convert the chloromethylated groups into cationic quaternary ammonium groups
當界面聚合反應完成後,將膜浸入濃度為10的三甲胺溶液鄭州大學碩士學位論文中,通過化學修飾將其氯甲基基團轉化成陽離子季胺鹽基團。Besides, multiple decomposition peaks appeared in the tg and dtg curves, which resulted from the existance of different segments in the polymers
Tg和dtg曲線上多重峰的出現反映的聚合物中不同基團熱穩定性的差別。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。This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4
本論文以量子結構自組裝為出發點,提出利用杯芳烴及其衍生物的化學受限反應實現尺寸可調半導體納米粒子自組裝;提出有機聚合網路原位組裝zns基納米熒光粉方法,把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成,適于低成本,批量生產;根據當前zno的研究情況,我們首次合成了非晶zno ,研究了它的光學性質,確定了它的結構,並對其摻雜進行了初步的研究,非晶zno表現出強的深紫外發光特性,而可見發射非常弱,是一種有巨大潛在應用價值的深紫外發光材料;利用非晶zno的亞穩特性,對晶化過程中非晶zno納米晶zno三維受限量子結構特性,界面特性進行了深入的研究;利用固相熱分解一般受擴散控制特性,實現了尺寸可控的zno三維量子結構的自組裝;利用非晶zno的高度分散性,容易均勻成膜特性,實現了非晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。分享友人