聚結速率 的英文怎麼說

中文拼音 [jùjiēsùlǜ]
聚結速率 英文
coalescence rate
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 速率 : speed; rate; tempo
  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-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應，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，並通過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烯酸酯共聚物具有比純丙烯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，且其聚合產物具有較高的力學及耐水性能。
  2. Based on these experiments, it may be claimed that there is segregation of sn to grain boundaries in 0. 15 % c steel during cooling from a high solution treatment temperature. this segregation reduces grain boundary cohesion, which results in low hot ductility and intergranular fracture

    通過試驗和計算得出: sn在0 . 1swt . % c鋼中發生非平衡晶界偏聚的臨界時間為1245左右，臨界冷卻速率大約為8 / s ，與試驗結果基本一致。
  3. The analysis of ir spectrum and melt flow index showed that the composite had a micro - crosslinking structure, and the analysis of dsc discovered there was - spherulite in the aggregate structure of the composite of pp

    紅外光譜分析和熔體質量流動速率的測定表明，復合材料體系產生了微交聯； dsc分析發現， pp材料的聚集態結構中含有球晶。
  4. In this paper, the course of isothermal crystallization kinetics of polymer in limited volume unit is simulated by use of the method of monte carlo. four factors influenting on the course of polymer in the limited volume unite isothermal crystallization are analyzed under the given conditions. the four factors are sample volume shrinkage, the change of the linear growth rate of entities g, the change of sample thickness and the change of the number of nuclei

    本文採用montecarlo方法研究了高聚物在有限體積元中的等溫結晶動力學過程，分析了在一定條件下，樣品體積收縮、晶體線生長速率變化、樣品厚度變化和晶核數目變化這四種因素對高聚物在有限體積元中的等溫結晶過程的影響。
  5. The crystallization and melting behavior of mellocene - catalized branched and linear polyethylenes of low molecular weight was studied. it was found that the crystalline lattice of branched polyethylene is larger than that of linear polyethylene because of the existence of branched chains. the melting behavior of branched polyethylene is similar to that of linear polyethylene since the branched chains can not enter the lattice. however, the crystalline behavior of low molecular weight branched polyethylene is the same as that of high molecular weight linear polyethylene, but different with that of low molecular weigh linear polyethylene. kinetics theory analysis evidenced that the transition temperature of growth regime of the branched polyethylene is about 20 lower than that of linear polyethylene with the same molecular weight. it may be attributed to the existence of short branched chains

    研究了金屬茂催化的低分子量支化聚乙烯和線性聚乙烯的結晶及熔融行為，發現支化聚乙烯的結構與線性聚乙烯相同為正交結構，但晶格略有膨脹.支鏈的存在對熔融行為影響不大，兩種聚乙烯的熔點均隨結晶溫度的升高而非線性增加，表現出低分子量樣品的共同特徵.但支鏈的存在對結晶行為卻有很大的影響，主要是由於支鏈的存在降低了晶體的結晶速率從而影響結晶過程，使得低分子量的支化聚乙烯的結晶行為與高分子量線性聚乙烯的結晶行為相似而與低分子量的線性聚乙烯不同.動力學分析表明，低分子量的支化聚乙烯的結晶生長方式的轉變溫度比同等分子量的線性聚乙烯降低了約20
  6. The exptl, results demonstrated that such surfactants could decrease initial uptake rate of acid dyes, had quite good dye migration performance and could be developed as leveling agents

    結果表明，含聚氧乙烯鏈陽離子表面活性劑能降低酸性染料的初始上染速率，並具有較好的移染性，可開發為勻染劑。
  7. A monte - carlo method has been developed for simulating the growth of epitaxy flims. the program was compiled using turbo basic language. the influence of growth rate and temperature on surface morphology was studied. the model we used was an advanced diffusion limited aggregation ( dla ) model. the process of deposition and diffusion were considered in this model

    本文利用montecarlo方法，結合薄膜生長理論，採用turbobasic語言編寫程序，對外延薄膜的生長過程進行了模擬。所用的模型為改進的擴散有限聚集模型（ dla ） ，研究了薄膜生長過程中沉積速率和襯底溫度對表面形貌的影響。
  8. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  9. This has an important meaning to the industrial manufacture. dsc, waxd and polarizing microscope with hot stage experiments were performed to describe what led the ssp rate acceleration of pet / mmt. it was shown that montmorillonite acted as a very good nucleating agent in pet crystallization process, which results in the lower crystallinity, more small microlites, and more surfaces of microlites

    為研究pet mmt固相縮聚效率提高的原因，通過熱臺偏光顯微鏡、 dsc 、 x -射線衍射等手段對樣品的結晶進行觀察與分析研究，結果表明蒙脫土對pet的結晶有明顯的成核作用，使其晶核生成速率迅速提高，晶核數量明顯增多，從而使整個結晶過程的時間變短，同時形成了更多結構不完善的微晶體。
  10. In the low - temperature - freezing stage, the water is frozen as ice phase, while the solute precipitate as the salt phase. the velocity of ice phase growth ( vf ) in the solution and the velocity of solute diffusion ( vd ) decide that whether the heavy segregation of solute appears

    當低溫冷凍時，水以冰的形式凍結，溶質則以鹽的形式析出，形成冰鹽兩相;冰相生長速率和溶質擴散速率決定了溶質鹽是否發生大的偏聚。
  11. The research showed that pam could improve soil structure, and greatly increase the stabilization of soil aggregates, so soil crust development would be decreased. fifthly, soil grain that controls rainfall splash erosion was obtained, the influence of soil clay was very great during initial stages of rainfall. with rainfall going on, soil coarse sand and fine sand would control the splash erosion

    五、控制土壤濺蝕的主要土壤粒級：在降雨初期土壤的的粘粒對濺蝕速率的影響較大，隨著降雨歷時的延長，土壤中的細砂和粗砂成為濺蝕速率影響較大的因子；六、對土壤濺蝕影響較大的土壤結構特徵因子：降雨5分鐘時，土壤的滲透系數對濺蝕速率的影響較大，隨著降雨的繼續進行，土壤的團聚度一直對土壤濺蝕速率影響較大。
  12. The results show that it has great saturation oil - adsorbing capacity, which can reach to 20 for high density and viscosity crude oil, as well as it has a faster adsorbing speed than other materials for treating lower viscosity crude oil

    試驗結果表明，熔噴聚丙烯非織布對原油的飽和吸油量大，對高密度高粘度的原油飽和吸油率可達20 %以上，尤其是對于低粘度的原油吸油速率快。
  13. This article confirmed the grafting efficiency of starch grafted to acrylic acid and the structure of starch and its grafted matter through the separation, purification and analysis tests to the grafted copolymer and the grafted forked - chain matter produced from the process of this reaction ; and deduced the formula of the velocity of such reaction mentioned above with a calculated result of the apparent activation energy in this reaction by the curve showing the relationship among the consistency of starch, monomer and initiator and the velocity of the grafting copolymerization

    摘要對澱粉接枝丙烯酸所得接枝共聚物及接枝側鏈物進行分離提純和分析測試，確定了其接枝效率並表徵了澱粉及其接枝物的形態結構；通過分別測定接枝共聚反應速率與澱粉、單體、引發劑濃度的關系曲線，確定了該接枝共聚反應的速率關系式；推算出了反應的表觀活化能。
  14. It is found that changing of catalyst and solvent will influence the relatively reaction velocity of hydrolysis and polycondensation and therefore change the pore structure of resulted silica gel glass matrix. as the result, the ideal prescription for silica gel glass matrix is proposed

    確證通過調整催化劑和溶劑的種類及控制乾燥化學試劑的添加，可以改變水解和縮聚反應的相對速率，有效實現對硅氧凝膠玻璃基質孔結構的裁剪與設浙江大學博士學位論文計。
  15. 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。
  16. 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。
  17. The research prepared pvdf fibers using melt spinning. pvdf is semi - crystalline polymer, and its molecule chain is linear and soft. manufacturing fibers is feasible theoretically, however it is hard in reality and increasing the temperature cannot improve the spinning ability of pvdf

    Pvdf是半結晶性高聚物，分子鏈呈線型而且有一定的柔順性，其成纖性在理論上是可行的，但因溫度對其剪切速率的影響不大，所以溫度的改變並不能提高它的可紡性。
  18. It was found that polymerization rate was increased with the increased dosage of initiator or surfactant ; particle size of miniemulsion was kept relatively stable during polymerization when an initiator of lower solubility was used ; an increase in dosage of dpr reduced polymerization rate, but showed no significant impact on the final monomer conversion

    實驗結果表明：引發劑或乳化劑的用量增加可以提高單體的轉化速率；引發劑水溶性的降低可以更好地控制聚合過程中的粒徑變化；歧化松香含量的增加降低了聚合速率，但對單體的最終轉化率影響不大。
  19. It is found that the highest consumption rates of barrier layers in certain parts of flip - chip joints are related to the current crowding phenomena

    結果發現在覆晶接點中，障層的消耗速率和電流聚集的位置有密切關聯。
  20. The results showed that when the dispersed phase droplet initial diameter was relatively large, the coalescence rate little varied as the dispersed phase droplet initial diameter changed and increasing the screw rotation speed and decreasing the output could obviously make for the dispersed effect

    結果表明，當液滴初始直徑較大時，其集聚變化率隨著初始直徑的變化而變化較小；提高螺桿轉速和降低擠出機產量可以提高螺紋元件的分散效果。
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