molecular proportion 中文意思是什麼

molecular proportion 解釋
分子比例
  • molecular : adj. 分子的,由分子形成的,分子內[間]的。adv. -ly
  • proportion : n. 1. 比,比率;【數學】比例。2. 相稱,平衡,調和,配合。3. 份;部分。4. 〈pl. 〉 大小,面積,容積。vt. 1. 使相稱,使均衡。2. 攤派,分配。
  1. Waxes for sealant : this series product divides the wax for sealant tape and the wax for container primer, the former can provide the reasonable molecular weight distribution and the normal and isomerism proportion, obviously enhances the sealant tape the anti - oxidized ability ; latter has gentle viscosity - temperature curve, which can improve products ' adhesion, sagging property and bears the weathering ability

    密封膠用蠟系列:本系列產品分密封膠條用蠟和集裝箱底漆用蠟,前者能提供合理的分子量分佈和正異構比例,明顯提高膠條的抗氧化能力;後者具有平緩的粘溫曲線,改善目的產品的附著性、流掛性能和耐侯能力。
  2. 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
  3. With this initiating system, the number - average molecular weights of the obtained polymers increased in direct proportion with monomer conversion, and the molecular weight distributions ( mwds ) were narrow throughout the reactions ( 1. 31. 4 )

    將該體系應用於甲基丙烯酸丁酯的聚合反應,所得聚合物的相對分子質量分佈窄( 1 . 3與單體轉化率呈線性關系。
  4. The sulfomethylated copolymer can increase the fluidity of cement paste 20 %, and it has longer time retarding performance. the influence of the molecular weight of copolymer and the proportion of monomers on the property of sulfomethylated copolymer has been discussed

    通過對酰胺基團的磺甲基化改性得到初始流動度提高了20的改性產物,且改性產物具有較長時間的緩凝性。
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