熱聚合體 的英文怎麼說

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熱聚合體 英文
thermal polymer
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 體構詞成分。
  • 聚合體 : aggregate
  • 聚合 : 1 (聚集到一起) get together2 [化學] (單體結合成高分子化合物) polymerization; polymerize 3 [生...
  1. Newcastle disease virus ( ndv ) strain 695, a thermostable nature avirulent strain, were replicated in embryonated chicken eggsand its rna was extracted from allantoic fluid. referred to the reported sequence of f gene, a pair of primers were designed and synthesized. f gene of ndv b95 strain was amplified by rt - pcr, the pcr products were checked by agrose gel electrophoresis and purified by agrose gel fracion method

    利用從國外引進的新城疫穩定性天然弱毒b _ ( 95 )株接種spf雞胚繁殖病毒,經處理后提取病毒的基因組rna ,參考國內外發表的ndv融蛋白基因序列,設計一對特異性引物,經反轉錄酶鏈式反應( rt - pcr )擴增出約1700bp大小的特異性片段,將此片段回收純化后,利用t - a克隆技術將其克隆到pgem - t - easy克隆載中,再轉化大腸桿菌jm109感受態細胞,轉化后經分子量比較、 pcr鑒定和酶切分析篩選陽性克隆。
  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

    同時採用有機硅單延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液過程中的過渡水解及縮反應,提高了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,利用醇解反應成出水解、縮反應速率較慢的兩種新型不飽和有機硅單: ?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結構進行了證實;研究表明利用新型硅烷單可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其產物具有較高的力學及耐水性能。
  3. These precursors polymerize to form polyamic acid ( paa ). the paa reacts with metal film such as copper. thus its character become worse and circuit resistance increases

    電子科技大學博士學位論文酚亞胺( pi )是薄膜多層布線的重要介質材料,它是由兩種單處理后而成。
  4. Comparisons of the resistivity and thermal volume expansion of the ptc composites revealed that the thermal volume expansion is one of the leading factors for the polymeric ptc transition. the more the thermal volume expansion is, the stronger the ptc effect shows

    研究結果表明,無論結晶還是非晶系,積膨脹都是引起復材料ptc效應的重要原因,物基膨脹程度越大, ptc效應也越明顯。
  5. Some amino acids and drugs imprinted spheres ( mipm ) were prepared via seeds swelling and suspension polymerization, suspension polymerization and emulsion polymerization. the physical and chemical properties of the polymers were analyzed by scanning electron microscope, thermogravimetric analyzer, electron spectrum and solid phase extraction ( microextraction ) technology. the imprinting and recognizing principle of mipm in water was studied through bi - templates imprinting method as well

    分別採用種子溶脹懸浮法、懸浮法和乳液法,在水相中系制備得到了一系列氨基酸和藥物印跡的分子印跡物微球( mipm ) ;採用掃描電鏡、失重分析、電子能譜分析、固相(微)萃取等技術對制備所得的mipm進行了分析和表徵;採用雙模板印跡的方法對水相中mipm的印跡和識別機理進行了探討。
  6. Through the research of crosslinking of matrix resin, heating treatment of composite and mixing of different polymer, we draw some conclusions : 1 、 percolation theory can explain the phenomenon of the jump of resistance when the content of cb reach a critical volume ; 2 、 based on ohm conduct theory, abounded to the percolation the wbibull statistical theory and other theory, an adapted theory was obtained to explain the jump of resistance and the other phenomenon ; 3 、 the ntc phenomenon was eliminated by crosslinking the matrix of conductive composite, at the same time the stability of composite was improved

    通過對基樹脂的交聯、復材料的處理、物共混物的研究得出了如下的結論: 1 、滲濾理論能夠很好的解釋導電粒子含量達到某一值時電導率劇增的問題; 2 、在歐姆導電模型的基礎上,綜應用了weibull統計理論模型,結原來的積膨脹等理論,成功的解釋了ptc復材料在基材料熔點附近的跳變問題、 ntc現象以及循環穩定性等問題; 3 、有機ptc導電復材料經硅烷交聯以後能夠消除ntc現象,改善了導電復材料的穩定性能。
  7. Firstly, a situ - polymerization method as the preparation process of gplb is introduced and pmma as the polymer matrix of the gel electrolyte is selected. the thermal polymerization process of the gel electrolyte is also optimized

    首先,採用了現場法制備凝膠物鋰離子電池的工藝,根據該制備工藝選擇pmma基作為該凝膠物電解質的系,然後對凝膠的工藝進行了優化,確定了最佳的工藝。
  8. ( 2 ) it is found that distilled water as lubricant can markedly reduce the accumulation of friction heat and temperature rise on the frictional surfaces of polymer. so the heat fatigue and adhesive wear decrease. moreover, a lubricating film forms on the interface between the counterpart and polymer when distilled water acts as polar lubricant

    ( 2 )潤滑劑水的存在,可大幅度降低物磨損表面的摩擦積累及溫升,從而減少了基疲勞磨損和粘著磨損,同時,水作為一種極性潤滑劑,在摩擦界面上能形成一層潤滑膜,對摩擦表面起了一定的隔離作用。
  9. For conductive fillers / piezoelectric ceramic / polymer composites, based on the piezoelectric and conductive theories, mechanical energy or sound energy can change into electric energy induced by piezoelectric ceramic ' s piezoelectric effect, and then these energy can be dissipated in form of heat energy through conductive network formed by conductive fillers in the system

    在導電填料/壓電陶瓷/物復材料系中,根據壓電、導電原理,機械振動能(或聲能)可通過壓電陶瓷的壓電效應轉換為電能,並通過系中導電填料形成的導電網路,將電能以的形式耗散,從而達到減振降噪的效果。
  10. Standard test method for linear shrinkage and coefficient of thermal expansion of chemical - resistant mortars, grouts, monolithic surfacings, and polymer concretes

    耐化學腐蝕的灰漿薄漿整面層和物混凝土的膨脹系數和線收縮性的標準試驗方法
  11. A dilution of the cb volume fraction due to the thermal volumen expansion of the composites is estimated. if the cb volume fraction decrease to the percolation threshold, ptc effect of the composites occur

    隨著物基膨脹,無論是結晶物基或非晶物基系,只要導電填料的積分數被稀釋到臨界積分數以下,復材料就會產生ptc效應。
  12. 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塑性酚醛樹脂作結劑,此結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溢出,使用時需要加工成粉末等缺點。
  13. Lactide were investigated. the key factors affecting the polymer intrinsic viscosity were found to be monomer recrystallization times, stannous octoate concentration and polymerization time. the thermal stabilizing agent did not significantly affect the polymer molecular weight. the polymer with a viscosity average molecular weight beyond 200000 was fairly reproducible by optimizing the polymerization conditions. it was found that poly

    重結晶次數辛酸亞錫濃度時間等條件均是影響物特性粘數的重要因素。穩定劑對丙交酯的分子量幾乎沒有影響。優化條件可以獲得粘均分子量大於200000的丙交酯材料,結果具有良好的重復性。
  14. The tlow distance and gelating time of the nanocomposites were shorter than that of the pure pf, which meet the standard of the pf used in frictional materials. compared to the pure pf, the silica7pf nanocomposites exhibited excellent heat stability only in nitrogen atmosphere, however, so do vermiculite / pf nanocomposites in both nitrogen and air atmospheres. compared to the brake pad based pf resin, the wear rate of the present one based with silica / pf nanocomposite decreased obviously, especially in high temperature

    用烷基銨ctab和kh - 560對蛭石進行有機化處理,通過原位法制備了酚醛樹脂接枝改性sio _ 2納米復材料、酚醛樹脂kh - 560改性sio _ 2納米復材料、酚醛樹脂ctab改性蛭石納米復材料、酚醛樹脂/ kh . 560改性蛭石納米復材料,採用ftir 、 xrd 、 afm和tg分析與流動距離、凝膠化時間的測試,研究了所制備的酚醛樹酯納米復材料的結構、固化行為和穩定性能,並研究了以酚醛樹酯納米復材料為基的剎車片摩擦磨損性能。
  15. With 5 % - 15 % ( by mass fraction ) ethyl - benzene as diluent, styrene - acrylonitrile random copolymer was synthesized by means of the continuous bulk polymerization of styrene and acrylonitrile initiated by heating

    摘要以苯乙烯、丙烯腈在添加質量分數為5 % ~ 15 %的乙苯作稀釋劑的條件下,進行引發連續本成了無規苯乙烯丙烯腈共物。
  16. Abstract : water solution polymerization and precipitation polymerization of ethenyl radical monomers were carried out at same conditions, and the differences between the products in molecular weight and other aspects were investigated

    文摘:針對目前溶液系中、後期粘度高,擴散不利,從而影響分子量提高的問題,進行乙烯基類單在同等條件的水溶液及沉澱,比較了獲得的物產物在分子量及應用性質上的差異。
  17. Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction

    目的:分析致相分離成膜過程的機理、力學理論基礎、動力學機制以及影響因素,以便充分掌握影響孔度大小、分佈、形態的因素,使孔度調控范圍得以拓寬,使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發,分析致相分離物多孔膜的制備方法及該法成膜的力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以致相分離法可制備物多孔膜.致相分離法制備多孔膜是高物均相溶液在淬冷條件下發生相分離的過程,它適用於上臨界共溶溫度型物一稀釋劑二元系.致相分離法成膜的過程,可以認為是旋節線機理佔主導地位.致相分離法制備的微孔材料,其孔隙率、孔徑大小、結構形態與物稀釋劑的種類、組成配比、物濃度、物分子量等因素密切相關.結論:可採用致相分離技術制備多孔膜,通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對致相分離成膜過程中物-溶劑系的相圖測定,不同厚度的多孔膜形貌研究,不同x (物-溶劑相互作用參數)系所制備的多孔膜形貌等需深人研究
  18. Micellization of block copolymers in selective solvents was reviewed with 69 references. the structure, kinetics, dynamics and hydronamics behavior of the formation of block copolymer micelles were discussed

    綜述了近20年來在選擇性溶劑中嵌段物締行為的研究進展,探討了膠束結構、表徵方法及膠束形成的力學、動力學和流力學。
  19. About thermal setting polymers

    關于量配置的的事情
  20. Making analogy with the " " spin - glass " phase in polymers, peschanski put forward the idea that there exists non - thermal phase transition in multiparticle systems. a parameter xq has been introduced to characterize the non - thermal phase transition

    通過類比中的「自旋玻璃相」 , peschanski提出隨機級聯的多粒子產生過程中存在非相變,並提出表徵相變的特徵參數_ q的公式。
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