grafting modification 中文意思是什麼

grafting modification 解釋
接枝改性
  • grafting : n. 嫁接法；【醫學】移植法。
  • modification : n. 變更，更改，修正；改良，改進；緩和；修改；減輕；限制；【生物學】誘發變異，變態，變體，變型；【語法】修飾；（用變音符號的）母音改變。
  1. Study on modification of polyvinylidene fluoride ultrafiltration membranes by co - 60 irradiation grafting

    聚偏氟乙烯超濾膜的輻照接枝改性研究
  2. Nonpolar polypropylene has bad compatibility with mmt even after organic modification to mmt. so polypropylene ( pp ) grafting acrylic acid was produced by the suspension grafting method as compatilizer. as pp / mmt nanocomposites prepared from htab modified mmt as concerned, the interlayer spacing of mmt is 4. 61nm, 4. 2nm and 4. 09nm respectively when the mmt content is 1 %, 2 % and 3 %. so, the abtained nanocomposites has intercalated structure

    當土含量為2 ，相容劑用量為15時力學性能最好，缺口沖擊強度和拉伸強度分別達到16 . 45kj m ~ 2和35 . 77mpa ，分別比純pp增加了280和4 . 3 ，蒙脫土的加入起到了增韌和增強的雙重作用。
  3. Progress of studies on grafting modification and application of lignosulfonate

    木質素磺酸鹽的接枝改性及應用研究進展
  4. Several preparation methods, including grafting polymerization, chemical modification of natural fibers and polymer blending method, are reviewed and the future research and development work on iefs is also proposed

    摘要綜述了離子交換纖維常見的幾種制備方法，包括接枝共聚改性法、原始纖維進行化學改性法、聚合物混合成纖法等，並對未來的研究發展方向進行了展望。
  5. The surficial modification based on the free radical and the polar which was initiated by radiation. and we proceed to study the preradiation and coradiation grafting and surfacial grafting on the uhmwpe fiber under the electron beam. the grafting monomer were aa, am, st, mma. then we applied grafting ratios sem, ft - ir, dynamic wetting to represent the result of grafting

    本文分別採取預輻照和共輻照接枝方法進行了纖維輻照接枝丙烯酸、丙烯酰胺、苯乙烯、甲基丙烯酸甲酯的研究，並運用測算接枝率、 sem 、紅外光譜以及纖維浸潤性測試等方法對接枝效果進行了表徵，並據此分析了影響表面接枝效果的主要因素。
  6. Melt grafting modification of polypropylene by reactive extrusion

    利用反應擠出的聚丙烯熔融接枝改性
  7. This topic focused on the radiation effect on the uhmwpe fiber with electron beam ( eb ) radiation. and instron, sem, atr - ir, xps, epr, xrd et al were used to characterize the structure and properties of uhmwpe fiber before and after radiation treatmentand on this condition we probed into the grafting modification with eb radiation technology

    本課題研究uhmwpe纖維的電子束輻照效應，運用電子強力機、掃描電鏡（ sem ） 、全反射紅外（ atr ? ir ）光譜、 x射線光電子能譜（ xps ） 、電子順磁共振儀（ epr ） 、 x射線衍射儀（ xrd ） 、接觸角和交聯度測定等方法對uhmwpe纖維在電子束輻照作用下的主要結構與性能變化規律進行了表徵和分析，在此基礎上對運用電子束輻照技術進行uhmwpe纖維的表面接枝改性進行了探討。
  8. Study on titanium dioxide solid phase grafting modification with polystyrene by mechano - chemistry

    鈦白力化學法固相接枝聚苯乙烯改性研究
  9. Surface status and formation of ultrafine silicon dioxide after polymer grafting modification

    聚合物接枝改性超細二氧化硅表面狀況及形成機理
  10. Sem and sfm were used to observe the surface morphology of the membranes. after grafting modification, the surface of the plla membrane became rougher than the control membrane

    採用sem和sfm考察了改性前後材料表面形貌的變化，結果表明接枝改性使得材料表面的粗糙度增大。
  11. Water contact angle measurement of the control and the modified plla membranes indicated that the hydrophilicity of the membrane was improved obviously after the grafting modification

    Atr - ir和xps測試結果證明了接枝聚合的發生。接觸角測試結果表明改性后plla膜表面的親水性明顯提高。
  12. The molecular characteristics of peg and its grafting techniques such as chemical, uv photo - induced, plasma and ozone oxidation methods in membrane surface modification are introduced

    介紹了聚乙二醇分子結構特徵，重點敘述了包括化學法、紫外光照法、等離子體法以及臭氧化法等聚乙二醇在膜表面改性中的接枝方法。
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