聚合動力學 的英文怎麼說
中文拼音 [jùgědònglìxué]
聚合動力學
英文
kinetic of polymerization- 聚 : 動詞(聚集; 聚積) assemble; gather; get together
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 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...
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Synthesis and photopolymerization kinetics study of propenyl ether - acrylate hybrid monomer
丙烯酸酯雜化單體的合成及光聚合動力學研究It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed
)的增大,量子噪聲分別減小和增大;虛光子過程使光場的反聚束效應增強,使光場的壓縮程度明顯加深,並引起了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初始平均光子數( ? )的增加而增大,隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質,研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。We research on the carbon dioxide dimers ( c2h and c2v ) by dft too. the results indicate that dissociation energies is kjmol - 1 and intermolecular vibration frequencies are small of both carbon dioxide dimers ( cah and civ ). therefore we prove that the carbon dioxide dirners are weakly bound molecule indeed
採用量子化學計算手段,我們研究了co _ 2二聚體( dimer ) ,證實了co _ 2二聚體確實是弱結合分子,因而在超臨界狀態下co _ 2具有很強的動力學特徵。Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability
闡述了鍍液中各組分的作用:絡合劑能有效地改變銅、錫的電位,促使初期的置換反應順利進行;還原劑能加快化學反應速度,對反應動力學有積極的促進作用;抗氧化劑能有效地防止鍍液中sn ~ ( 2 + )的氧化;添加劑a能提高鍍液的穩定性,添加劑b對鍍層能有細化和光亮作用,擴大了鍍層光亮區的范圍;添加劑c作為平滑劑,不僅能增強鍍層表面的平整性,而且能提高鍍液的分散能力;表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題,提高了鍍層的表面質量和鍍液的穩定性。By the research of the ethylene slurry polymerization mechanism and kinetics, the corresponding kinetic and moment ordinary differential equations were built and solved
在研究了淤漿法乙烯聚合反應機理與動力學的基礎上,建立並求解了相應的動力學與矩常微分方程組。Thermokinetic study on the chemical oxidative polymerization of aniline by potassium dichromate
重鉻酸鉀氧化苯胺聚合過程的熱動力學研究Xrd, transmission electron micrograph ( tem ) and polarized optical micrograph ( pom ) were used to measure the structure of nanocomposites, the nonisothermal crystallization kinetics of pp / pp - g - mah / org - mmt was studied by differential scanning calorimetry ( dsc ), and their mechanical properties were tested
採用熔融插層法制備了聚丙烯接枝物蒙脫土納米復合材料,通過xrd 、 tem 、 pom和dsc研究了納米復合材料的結構及結晶動力學,並測試其力學性能。Polyethylene ( pe ) / pe - g - mah / org - mmt nanocomposites were prepared by melt intercalation. xrd, and transmission electron micrograph ( tem ) were used to measure the structure of nanocomposites, the nonisothermal crystallization kinetics of pp / pp - g - mah / org - mmt was studied by differential scanning calorimetry ( dsc ), and their mechanical properties were tested
採用熔融插層法制備了聚乙烯接枝物蒙脫土納米復合材料,通過xrd 、 tem和dsc研究了pe pe - g - mah org - mmt納米復合材料的結構及結晶動力學,並測試其力學性能。In addition, considering the essential characteristics of the fusion - fission hybrid reactor, the preliminary analysis and research of the mhd pressure drop of liquid metal that flow through the fuel packed pebble bed - based blanket are given
另外,基於聚變中子源驅動的次臨界清潔核能系統,針對聚變?裂變嬗變混合堆的本質特點,對液態金屬球床包層進行初步地探討和研究,進行了球床液態金屬溢流的磁流體動力學流動的建模分析和計算。The paper puts forward the clustering algorithm includes : clustering based on grid and iterative, enhanced clustering algorithm base on density and k - medoids, enhanced k - means algorithm ( optimize chooseing consult _ points in iterative process ), enhanced clustering algorithm base on distance. they can overcome many limitations ( some traditional algorithms terminate in local optimization. many results of cluster are roundness, too many times in partition iterative process ), which are related to the static architecture of traditional model
在傳統聚類演算法的基礎上,結合我們科學數據挖掘的應用對象?分子動力學數據,提出了迭代網格聚類演算法, k -平均和基於密度結合的聚類演算法,迭代過程中優化選擇中心點的k -平均方法,以及改進型的基於距離的聚類演算法等模式識別方法,能夠解決傳統演算法帶來的諸多問題(比如一些傳統的聚類演算法常常收斂于局部最優,發現都模式都趨近於球形,劃分方法中迭代次數過多帶來的效率問題) 。The thesis was written under the direction of dynamic theory of forming reservoir, follows the rules of comprehensive information, judgment, interpretation and assessment and even makes full use of outcrop geology, data from drilling and logging, data from laboratory analysis and achievements in geophysical exploration. considering the basic factors of forming reservoir in the south of ordos basin as the starting point, the thesis defines that yanchang group of triassic goes into the start of generating oil in the late period of mid - jurassic and that the largest oil generation peaks in the middle period of early cretaceous, after the analogue - history of hydrocarbon generation. meanwhile it also establishes the relationship between the evolution of oil and gas and the formation of traps, the time of oil exploration
本文以成藏動力學理論為指導,本著綜合信息、綜合判斷、綜合解釋、綜合評價的原則,充分利用露頭地質,鉆測井資料,實驗分析資料及物化探成果,以鄂爾多斯盆地南部的基本成藏要素為出發點,通過生烴史模擬,確定了三疊系延長組在中侏羅晚期( 150ma )進入生油門限,于早白堊世中期達到最大生油高峰期;同時並確立了油氣演化與圈閉形成、捕油時間的關系;通過流體勢的全區計算,提出了該區油勢具有明顯的「雙層」結構特徵,並建立了以靜水壓力為主的重力流系統和以差異壓實作用為主的壓實流系統的流體動力分佈模型;通過成藏動力學系統的劃分及事件分析,探討了該地區油氣聚集規律,最終指出了有利的含油氣遠景區。Based on above model, molecular dynamics simulation was used to study recombination process of an exciton in the polymer
進而用上述修正的bbv模型,我們對聚苯胺激子的復合湮滅過程進行了半經驗的分子動力學模擬。In addition, simultaneously interpenetrating polymer networks ( sin ) damping materials were originated from polysiloxane oligomer - containing different molar ratio methylphenylsiloxane and different methacrylate. applying the weight method and ftir monitor on line, the synthesis reaction procedure of polyacrylate copolymer and sin was traced. the polymerization mechanism of the functional groups with vulcanizing capability, aid - vulcanization action of bim as well as the sin structures were elucidated by 1h nmr and 13c nmr
採用稱量法和ftir在線追蹤,對合成聚丙烯酸酯共聚彈性體和sin的反應動力學進行了研究,並用~ 1hnmr和~ ( 13 ) cnmr等對硫化官能團的引入,雙馬來酰亞胺助硫化機理,和sin的結構進行了表徵。Simulation study of influence of sporadic nucleation on isothermal crystallization of polymers
散現成核對聚合物等溫結晶動力學過程影響的模擬實驗研究The wxrd characterization showed that o - mmt possessed obvious nucleation effect on the crystallization process of b - pp. jeziorny and mo methods were used to study the non - isothermal crystallization process. the obtained value of kinetics parameters such as tp, n, zc, t1 / 2, a h, f ( t ), e showed that the o - mmt has nucleation effect in crystallization of pp and can increases the crystallization temperature of pp, quickens the crystall ization velocity, decreases the crystallization activation energy of pp but decreases the crystallization degree of pp at the same time
運用jeziorny法和mo法研究了聚丙烯和復合材料的非等溫結晶過程,所得到的非等溫結晶過程動力學參數t _ p , n , z _ c , t _ ( 1 / 2 ) , h , f ( t ) , e的數值表明,有機蒙脫土的加入可以起到異相成核的作用,從而提高pp的結晶溫度,加快pp的結晶速率,降低pp的結晶活化能,但同時也會降低pp的結晶度。In this work, the effect of the physicochemical properties of aqueous hydroxypropyl - cellulose ( hpc ) binder solutions and different pharmaceutical excipients ( mannitol and anhydrous cahpo4 ) on the agglomeration kinetics and granule properties were inestigated
在此項試驗中,對黏合劑羥丙基纖維素( hpc )水溶液及不同藥用輔料(甘露醇和無水磷酸氫鈣)的理化性質對附聚動力學和顆粒性質的影響進行了研究。The content of styrene was found to be dependent on the investigated grafting conditions, of which the dose rate and monomer concentration were the major conditions, and the dependence of the initial rate of grafting on the dose rate and the monomer concentration was found to be of 0. 4286 and 1. 1662 orders, respectively. the results indicate that the grafting reaction is competitive and the copolymerization and the graft - copolymerization are existing at the same time. the grafting proceeds by the so - called front mechanism in which the grafting starts at the surface of the films and moves toward the middle of the film by successive diffusion of the styrene through the grafted layers
我們對輻射接枝反應中的各個因素如:單體濃度、輻射劑量率、輻射劑量以及反應時間進行了研究分析,結果表明:單體濃度和劑量率是反應的兩個主要影響因素,它們對反應速率的影響指數分別為1 . 1662和0 . 4269 ;反應的動力學方程為: rg k [ d ] ~ ( 0 . 4269 ) [ m ] ~ ( 1 . 1662 ) ;認為接枝反應是一競爭反應,單體的均聚反應和在聚合物上的接枝反應同時存在,單體濃度的高低決定著競爭反應的方向;輻射接枝反應是從聚合物表面開始的,隨著溶劑的溶脹和單體的擴散最後在整個膜體中形成接枝產物。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:分析熱致相分離成膜過程的機理、熱力學理論基礎、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,分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、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:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚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聚合物一稀釋劑二元體系.熱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.熱致相分離法制備的微孔材料,其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱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.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定,不同厚度的多孔膜形貌研究,不同x (聚合物-溶劑相互作用參數)體系所制備的多孔膜形貌等需深人研究Grafting kinetics and graft polymerization rate model of solid phase grafting of acrylic acid on polypropylene
聚丙烯固相接枝丙烯酸聚合動力學及其接枝聚合速率模型The inserting method and properties of the composite materials in consist of omt and poly ( styrene - butyl acrylate ) had been researched ; the ultra - fine organic rigid particles crosslinked polystyrene ( xps ) has been synthesized by emulsion polymerization, the effect of the synthesis process on the size of organic rigid particles was discussed. the cause of the increasing mechanical properties of pp composite materials, which were strengthened and toughened with organic rigid particles and elastomer, had been investigated. the results of studying viscosity and precipitate height of sio2 nano - particles suspension showed that the sio2 nano - particles are very good dispersed by dp270 or cat 639w dispersant
通過粘度法和沉降法測定結果的一致性,說明分散劑dp270和cat639w對sio _ 2納米粒子有較好的分散性, dp270的最佳用量為0 . 2時懸浮液粘度從35 . 1mpa ? s降為23 . 3mpa ? s , cat639w最佳用量為0 . 4時懸浮液的粘度從35 . 1mpa ? s降為23 . 1mpa ? s ;通過研究分散劑存在下納米粒子的苯丙乳液聚合動力學,發現納米粒子的存在對乳液聚合有一定的緩聚作用,並討論了乳化體系、溫度、引發劑、表面處理劑以及納米粒子用量對聚合的影響。分享友人