線型聚合物 的英文怎麼說

中文拼音 [xiànxíng]
線型聚合物 英文
backbone polymer
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 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)
  • : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
  • 線型 : alphabet of lines
  • 聚合物 : [化學] polymer; polymerizate; polymeric compound; polymeric substance; polymeride; polymerized su...
  • 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. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面理退化指標(有效土層厚度、有機質層厚度、質地、團體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生指標(細菌、真菌、放菌數量及總量)以及樣地土壤種子庫植群落多樣性等4個方面對重慶典巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的理利用及結構的調控管理提供依據。
  2. The admixture of two or more different units gives rise to linear copolymers.

    由兩種或多種不同單體的混能得到
  3. Suitable choice of monomers and synthetic routes can yield linear copolymers in which the monomer units alternate.

    選擇適當的單體和成路,能夠制得單體單元交替排列的
  4. A review of the development of organic semiconductor composite photo - conductive materials and devices was followed by a proposal of the researching theme in this thesis. the effects of fabrication arts such as solvents, gradient, interfacial layer and configurations on the photoconductive properties of the single - layer chlorodiane blue azo / tiopc composite photoreceptors were systematically studied in chapter ii. the results showed that the solvent played a decisive role in the multiphase and multicomponent system composed of two photogeneration species ( chlorodiane blue azo and tiopc ), a transporting material ( hydrozone ) and polymer binder ; 1, 4 - dioxane, as an amphiphilic solvent can effectively disperse and stabilize such multiphase and multicomponent systems, the derived photoreceptors presented improved photoconductive properties superior to those of dual - layer counterparts and demonstrated the evident synergetic enhancement and complementary effects ( eg

    結果表明:在由兩種光生材料氯丹藍偶氮和酞菁氧鈦、傳輸材料萘苯腙以及介質組成的多相多組分復體系中,分散溶劑是至關重要的因素,二氧六環作為典的雙親性溶劑,有效地分散和穩定了該多相多組分復體系,得到的復單層光導體的光敏性在整體上優于雙層光導體,復材料在可見光和近紅外光區分別表現出的偶氮和酞菁氧鈦的光敏性(如azo / tiopc = 8 / 2 , cgm / ctm / pc = 1 / 120 / 120時,具有明顯的互補效應;在近紅外光區明顯高於酞菁氧鈦與偶氮光敏性的性加和,表現出協同增強正效應。
  5. By definition an exclusively difunctional monomer can only give rise to a linear polymer.

    按照定義,一個特定的雙官能單體,僅僅能得到線型聚合物
  6. In chapter 5, based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, we studied retro - reflection of grin polymer micro - sphere and its application and concluded the best conditions to get good results. in chapter 6 we analyzed the two ways to improve the retro - reflection effect of grin polymer micro - sphere using the light tracking and discuss the pleasant results we got

    第五章從上一章測量所得折射率分佈曲出發,根據梯度介質球內光傳輸的理論模,用光追跡的方法分析了327 #微球透鏡的反光性能,並對最佳性能條件進行了總結分析,發現效果提高並不明顯,進而在第六章中提出了提高grin微球回歸反射性能的兩個基本途徑,並用光追跡方法進行了詳細的分析,最終得到了良好的效果,並對結果進行了一定的分析解釋。
  7. The his - tagged peacl - gfp purified from the supernatants could polymerize into green fluorescent filamentous structures with diameter, length and shape being identical to that of muscle f - actins, which could be labeled by tritc - phalloidin ( a specific agent for staining actin microfilaments ), and were identified as having a 9 nm diameter by negative staining, corresponding with that of the muscle f - actins ( 7 - 10 nm ). under polymerization conditions, his - tagged peacl - gfp polymerized with kinetics similar to those of skeleton muscle actin, that is, an obvious lag nucleation period at the beginning of polymerization and an s - like typical polymerization curve could be obtained. the critical concentration is 0. 75 umol / l near to that of chicken muscle actin ( 0. 56 umol / l ) under the same condition

    熒光標記結熒光顯微觀察表明:從可溶性上清中純化的his - taggedpeac1 - gfp形成的微絲不僅可以直接在熒光顯微鏡下觀察,也可被微絲的特異標記鬼筆環肽所標記,而且其直徑、長度以及形態上與已知的肌動蛋白熒光絲一致;電鏡負染的結果進一步證實其直徑為9nm ,與傳統微絲直徑相當( 7 ? 10nm ) ;有明顯的停滯期,為典的s臨界濃度為0 . 75 mol l ,這一結果與已有報道相似。
  8. The fractal is a geometrical figure with self - similar symmetry, and it is an important tool for characterizing irregular structures in nature that are self - similar on certain length scales. for example, the koch curves can be viewed as a mathematical model for coastlines, percolation model can be used to mimic mixture of mental and insulator, self - avoiding walks can serve as a model for linear polymers, and rock fracture mode can stimulate the process of brittle fracture of rock, and so on

    分形是具有自相似對稱性的幾何圖形,可用來模擬自然界中在一定尺度范圍內具有自相似對稱性的不規則結構,如koch曲可用來模擬海岸,滲流模可模擬金屬絕緣體混,自迴避無規行走模可模擬,巖裂模可模擬真實巖體的脆性破裂等。
  9. The approaches of enhancing the mechanical properties of ramie and flax composites were studied in this paper. the effects of surface pretreatment, fiber content, molding temperature and pressure as well as the effect of electron beam, microwave and ultrasonic wave on the mechanical properties of the composites were explored. the experimental results show that : 1

    本文以苎麻、亞麻纖維為增強材料,性低密度乙烯( lldpe )為基體,研製了兩種麻纖維層壓復材料,研究了麻織表面處理、纖維含量、成溫度、成壓力等對該復材料力學性能的影響,得到了性能較為優異的麻纖維復材料,探討了復材料的增強機理。
  10. Because of the importance of the industry, the paper is valuable in engineering. the paper also discusses multi - field, multi - phase, multi - state and computer technology, so the paper is also valuable in study. in chapter 1, the background, the history and the study status of model of " flow of fluid - solid material along a curved line by stretch " are provided

    論文研究流固體曲拉伸流動數值模擬的原理和方法,這個問題典存在於抽絲及鋼鐵冶金連鑄工藝和加工過程中,由於涉及重要而龐大的產業,因而具有重要的工程價值,又涉及近代力學多場量、多相、多態和計算技術等綜復雜問題,因而具有重要的學術價值。
  11. 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多孔膜.熱致相分離法制備多孔膜是高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、結構形態與稀釋劑的種類、組成配比、濃度、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-溶劑體系的相圖測定,不同厚度的多孔膜形貌研究,不同x (-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
  12. Specification for low - frequency miniature equipment wires with solid or stranded conductor, fluorinated polyhydrocarbon type insulation, single

    採用氟化處理過的碳氫絕緣的低頻微設備用單芯或多芯單股規范
  13. The simplest polymer which can be envisaged consists of the repetition of a single structural unit many times over to form a liner homopolymer.

    可以想象,最簡單的是由一種結構單元重復多次形成一個
  14. 4. mixture was made of chiral additive and liquid crystal polymer, which properties were studied. whether the mixture has ferroelectricity has been discussed, which would establish some bases for the research and application of the liquid crystal display materials and nonlinear optical materials in future

    將液晶手性添加劑和液晶共混,並研究了共混的性能,探討了共混丙烯酸酯類液晶的鐵電性能,為將來的液晶顯示材料及非形光學材料的研究及應用奠定了基礎。
  15. High molecule physics and the damage theory of rheologic material with lacuna are used in experiments to study the pmma ' s nonlinear viscoelasticity and changing depends on time and temperature when distorting and destroying. we try to seek a common rule to polymer ' s crazing damage, offer a viable damage model and measure to research polymer ' s minute damage

    本文運用高分子理、含缺陷流變性體的材料破壞等理論,以實驗為基礎,對變形、破壞以及時間相依和溫度依賴性等非性力學行為進行研究,試圖尋求銀紋損傷的一般規律,為研究的細觀損傷提供了一種可行的損傷模與方法。
  16. Rehabilitation of reinforced concrete members with high - strength steel wire mesh and polymer mortar is a brand new technique of structural strengthening both in china and abroad

    摘要高強鋼紋砂漿加固技術是近幾年來在國內外發展起來的新技術。
  17. This article reviews recent progress in research on the preparation, thermal properties and orientation stability of aryl polyimide based second - order nlo materials : host - guest system, maid - chain system, side - chain system and crosslink system, and points out the study direction for future efforts

    摘要綜述了近年來採用芳香酰亞胺為骨架的主客體摻雜、主鏈、側鏈和交聯的二階非性光學材料在成方法、耐熱性和取向穩定性等方面的研究進展情況,並根據目前存在的問題,展望了今後的研究方向。
  18. Pc + polyester alloy, unreinforced, general purpose, uv - stabilized

    Pc (碳酸酯)酯非增強,通用,紫外穩定。
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