縮聚度 的英文怎麼說

中文拼音 [suōjùdù]
縮聚度 英文
degree of polycondensation
  • 縮 : 縮構詞成分。
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  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. The results show : ( 1 ) that the dynamical properties in the system depend on the degree of entanglement of the initial two identical two - level entangled atoms and the intensity of the coherent optical field, and the atomic dipole moment can be completely squeezed via choosing optimal degree of entanglement of the initial atoms in the feeblish optical field ; ( 2 ) that the quantum properties of the system also depend on the degree of entanglement of the initial two identical two - level entangled atoms and the intensity of the coherent optical field, and the radiation field can be effectively squeezed via choosing optimal degree of entanglement of the initial atoms in the fee blish optical field

    （ 2 ）相干態光場的強度和兩原子的初始糾纏度對光場的量子特性也有很大的影響。光場的二階相干性質（聚束與反聚束）和光場的壓縮效應均與光場強度和兩原子糾纏度相關聯。在弱光場中，選擇合適的兩原子初始糾纏度，光場壓縮深度和時間可達到最大。
  3. Finally, the effectiveness and practicability of this method is demonstrated by the simulation results of the famous box - jenkins gas furnace data and mackey - glass chaotic time series

    與以往的模糊聚類辨識方法相比，所需cpu時間大大縮短，具有較高的辨識精度。
  4. Their gelation points were predicted and esca was used to detect the reaction variable of the polycondensations

    對其凝膠點進行預測並用能譜分析監測縮聚反應進行的程度。
  5. Firstly, the surface characteristic of polystyrene particle is changed from water detesting to water intimity by using special techniques and admixtures so mat the compound quality with inorganic materials is insured. secondly, the contradiction between the weight and strength is solved through optimizing the particle size and using composite fiber and the best heat conductivity is achieved under the condition that the necessary strength is met. in the research process, the author solved the problem of fiber dispersing in insulating materials so that the contraction of the material is controlled

    課題研究中，首先採用特殊的改性工藝及外加劑實現對聚苯乙烯顆粒表面的成功改性，使其表面由憎水轉化為完全親水，確保與無機材料的復合質量；其次，通過採用優化骨料級配及使用復合纖維等措施解決了保溫材料的輕質與強度的矛盾，使保溫材料在滿足必要的強度的前提下，導熱系數降至最小；並且，課題研究中成功解決了纖維在保溫材料中均勻分散的問題，達到了抑制保溫材料收縮的目的；最後，通過採用復合外加劑、合適的膠凝材料及合理的配比等措施確保該保溫材料具有良好的和易性，滿足施工的要求。
  6. In this research, the lime - fly - ash bound macadam was joined with steel fibers, glass fibers and polypropylene fibers with the contents of the lime, the fly ash and the macadam fixed in lab tests. the study focuses mainly on the split strength, compression strength, and modulus of compressive resilience and shrinkage property of the lime - fly - ash bound macadam enhanced by different kinds of fibers. based on the test, a detail theoretical analysis was made on the relation of mechanical property, dry shr inkage with the variety and the quantity of fibers, applying the theories of strength, dry shrinkage and the methods of statistics, curve mimesis and variance analysis

    本論文主要是研究在同一種二灰碎石混合料（石灰、粉煤灰、集料的含量及比例相同）中分別摻入不同數量的鋼纖維、玻璃纖維、聚丙烯纖維，通過室內試驗對其抗拉強度、抗壓強度、抗壓回彈模量和乾燥收縮性能與纖維摻量和纖維品種之間的關系加以分析和研究，並在此基礎上根據二灰碎石強度形成機理、乾燥收縮機理和數理統計、曲線擬合、方差分析的方法分析纖維品種和纖維數量對二灰碎石的力學性能和乾燥收縮性能的影響，最後得出纖維對二灰碎石的強度、抗壓回彈模量、乾燥收縮有很顯著的影響，並提出了相應的建議。
  7. The strength of convergent shock was enhanced in cylindrical and spherical geometries than in planar geometry. the bubble became more wide and big and the spike became more narrow and long. it showed in spherical implosion that the spike close to the symmetrical axis grew faster than the ring one away from the symmetrical axis

    第四，利用lared一s程序模擬柱和球幾何內爆過程中rt不穩定性增長，表明收縮幾何效應對內爆過程中不穩定性的增長有重要影響，柱和球幾何中聚心沖擊波的強度大於平面情況，氣泡變得更加寬而大，而尖頂變得更加細而長。
  8. 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。
  9. 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。
  10. Abstract : the mathematical model that describes the reaction kinetics and molecular weight distribution for the polycondensation reaction process is developed by methods of reaction extent and generation function, in which an industrial process of poly ( ethylene terephthalate ) production is taken as an example. the methods for solving the model are discussed

    文摘:以一個工業化聚酯生產過程為例，將反應度法和生成函數作為工具，建立了描述此類縮聚反應過程的反應動力學及其分子量分佈的數學模型，並介紹了求解數學模型的方法。
  11. The fouling of monomer recovery system of qilu esbr plant was studied. it was con sidered that the fouling was principally caused b y the following four reasons, there existed the colopholic potassium containing c onjugated doublebonds in the disproportionated colopholic potassium, excessive co ntent of c16 - 18 compositions existed in the fatty acid, excessive content of com positions for which the demol condensation degree was above 5, the reaction conve rsion was higher than 72 percent. effective countermeasures were proposed

    介紹了齊魯引進乳聚丁苯橡膠裝置回收單元存在的設備堵掛問題，經分析認為歧化松香酸鉀中帶有含共軛雙鍵的松香酸鉀，脂肪酸中c16 18組分含量高， demol縮合度高於5的組分高，反應轉化率高於72 %是造成堵掛的4條主要原因，提出了對策。
  12. With the increase of the gptms, the decomposition temperature of the rare earth complexes decreased gradually, which also indicated that the existence of the organization results in the decrease of the decomposition temperature of the rare earth complexes in the gels

    由於hy ： h 」配合物在teos水解縮聚形成的祆。凝膠中原位合成程度較小，所以隨著ph的上升，熒光逐漸增強，在ph值達到5對左右時，熒光達到最強，表明a 。
  13. The amount of catalyst can be reduced by selecting nice solvability catalyst, cutting down the remnant carboxyl amount of esterification and elevating polycondensation temperature

    選擇溶解性能好的催化劑，降低酯化殘存羧基量，提高縮聚溫度，可減少催化劑用量。
  14. In this thesis, the pet / montmorillonite ( mmt ) nanocomposites and pure pet with high molecular weight were prepared by solid state polycondensation ( ssp ) so as to meet the needs of industrial fiber. the fiber was spun and drawn in proper conditions. the microstructure of pet / mmt nanocomposites was studied

    本論文以常規分子量的聚對苯二甲酸乙二酯蒙脫土（ pet mmt ）納米復合材料和純pet為原料，通過固相縮聚的方法，來提高樣品的特性粘度，使之達到工業用纖維所需的分子量要求。
  15. The present article reviews recent advances in synthesis of biodegradable polyesters, which include aliphatic polyester and polyester containing aromatic constituents, by polycondensation from the standpoint of molecular design

    摘要本文從分子設計的角度，綜述了縮聚法合成生物可降解聚酯的研究進展，涉及脂肪族聚酯和含有芳香組分聚酯的合成。
  16. The dsf is a high strength for regarding polypropylene as raw material, with special craft making, fiber of low extension polypropylene, and can avaylably control the concrete, and fuck, temperature to contract the produce, improving of crack the concrete s anti the function, anti to pound at the ability, extension concrete the service life that product

    丹強絲一種以聚丙烯為原料，以特殊工藝製造的高強度，低延伸性聚丙烯纖維，可以有效地控制混凝土塑性，干縮、溫度收縮裂紋的產生，改善混凝土的抗滲性能，抗沖擊能力，延長混凝土製品的使用壽命。
  17. Abstract : through copolycondensation method, a phenol - melamine - urea - formaldehyde resin was prepared. the discussion was concentrated on the preparation method of the resin and it ' s application condition in pressing exterior - type medium density fiberboard

    文摘:通過共縮聚的方法，制備了具有良好的耐水性能和膠合性能的苯酚-三聚氰胺-尿素-甲醛樹脂。著重討論了該樹脂的制備方法以及在壓制室外型中密度纖維板中的應用情況。
  18. Based on the practical measurement data that had gained on the equipment of continuous solid - state polycondensation, which has the output for pet industrial yam 10 kt / a, studies into influences of reaction temperature, residence time, purity and flow rate of circulating nitrogen on the reaction of solid - state polycondensation, discusses the production process of continuous solid - state polycondensation for terylene industrial yarn in detail

    摘要以已投產的年產萬噸級連續固相縮聚裝置生產工業絲級滌綸增黏切片實測的反應條件為依據，從原料切片、反應溫度、停留時間、循環氮氣純度及流量等因素對固相縮聚反應的影響，詳細地對連續固相縮聚生產工業絲級滌綸增黏切片的生產工藝加以探討。
  19. Flexible cellular polymeric materials - determination of the physical properties - part 2 : hardness indentation technique and stress - strain characteristics in compression

    撓性多孔聚合材料.物理性能的測定.第2部分:壓縮硬度
  20. Abstract : the basic synthesis process parameters of water reducing agent of melamune series was studied. the factors affecting hydroxymethylation, stlfonation, low - ph condensation, and high - ph condensation were thoroughly studied. from that, the good conditions for every stages were determined. by addition of compound additives made of some cheap components, the production cost of melamine water reducing agent was greatly decreased so that the spread and application value was increased

    文摘:研究了三聚氰胺系列減水劑的基本合成工藝，考察了各種因素對羥甲基化階段、磺化階段、縮聚階段的影響，確定了各階段的最佳工藝條件，通過加入一些廉價組分製成復合型減水劑，使得三聚氰胺系列減水劑的生產成本大幅度降低，提高了產品的推廣應用價值
分享友人
分享到 Line

分享到臉書