weight-average molecular weight 中文意思是什麼

weight-average molecular weight 解釋
重均分子量
  • weight : n 1 重量；體重；求心力，重力，（地心）引力。2 斤兩，分量，衡，計重單位。3 （壓東西的）重物。4 砝...
  • average : n 1 平均，平均數。2 一般水平，平均標準。3 【商業】海損；海損費用；（給領航的）報酬。adj 1 平均的...
  • molecular : adj. 分子的,由分子形成的,分子內[間]的。adv. -ly
  1. Viscosity - average molecular weight viscosity - average molar mass

    黏均分子量
  2. Weight - average molecular weight, weight - average molar mass

    重均分子量
  3. Number - average molecular weight, number - average molar mass

    數均分子量
  4. Different grades of crystal polystyrene molding pellets range from 150, 000 to 350, 000 weight average molecular weight.

    不同牌號的結晶聚苯乙烯模塑粒料平均分子量范圍從150，000-350，000。
  5. Increasing ultrasound intensity in the range of cavitation threshold and cavitation peak value, decreasing monomer concentration and increasing the temperature make the induction period shorter. under optimized reaction conditions, the conversion of ba can reach 90 % in 11 min at high n2 flow rate the viscosity average molecular weight of the obtained pba reaches 5. 24 106. the molecular weight of pba varies with ultrasonic irradiation time, indicating that the ultrasonic induced emulsion polymerization is dynamic and quite complicated, polymerization of monomer as well as degradation of polymer occurs concomitantly

    一、實現了無常規化學引發劑存在下的超聲輻照引發丙烯酸正丁酯（ ba ）間歇乳液聚合，制備了pba納米粒子，在11min內轉化率達到90 ，分子量達5 . 24 10 ~ 6 ，隨反應時間的延長而降低，表明超聲輻照引發乳液聚合是一個動態的復雜過程，單體的聚合和聚合物的降解同時發生。
  6. The results showed that hydrothermal cracking occurred while injecting steam, and the catalyst had catalytic activity for hydrothermal cracking of heavy oil at higher temperature ; viscosity and average molecular weight of heavy oil was thus lowered

    實驗結果表明，在注入蒸汽的條件下，遼河稠油可以發生水熱裂解反應，高溫下催化劑對水熱裂解反應具有催化作用。
  7. Determination of the c - number distribution and average molecular weight of linear alkylbenzene sulfonic acid by paired - ion high performance liquid chromatography

    用離子對高效液相色譜法測定直鏈烷基苯磺酸的碳數分佈和平均相對分子質量
  8. Lactide were investigated. the key factors affecting the polymer intrinsic viscosity were found to be monomer recrystallization times, stannous octoate concentration and polymerization time. the thermal stabilizing agent did not significantly affect the polymer molecular weight. the polymer with a viscosity average molecular weight beyond 200000 was fairly reproducible by optimizing the polymerization conditions. it was found that poly

    單體重結晶次數辛酸亞錫濃度聚合時間等條件均是影響聚合物特性粘數的重要因素。熱穩定劑對聚丙交酯的分子量幾乎沒有影響。優化聚合條件可以獲得粘均分子量大於200000的聚丙交酯材料，聚合結果具有良好的重復性。
  9. Test method for average molecular weight of fatty quaternary ammonium chlorides

    脂族季銨氯化物平均分子量的測試方法
  10. Determination of weight - average molecular weight of polystyrene standards by low angle laser light scattering method

    小角激光光散射法測定聚苯乙烯標準樣品的重均分子量
  11. 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。
  12. Based on the polymerization reaction mechanism of pet, the model includes all main reactions and major side reactions with measured operational variables as its input and polymerization degree ( dp ), average molecular weight and parameters of molecular weight distribution as its output

    模型從聚合反應機理出發，考慮了所有的主反應和主要的副反應，以實測的工藝操作參數為輸入，以各反應釜、特別是終端產品的聚合度、平均相對分子質量及相對分子質量分佈參數為輸出。
  13. Standard test method for determination of weight - average molecular weight of polymers by light scattering

    用低擴散法測定聚合物分子量和平均分子量的標準試驗方法
  14. Oligochitosan, having an average molecular weight of 1, 000 da and a degree of n - acetylation below 15 %, can be obtained by either chemical or enzymic hydrolysis of chitosan

    但由於其在中性水溶液中的溶解性較差，因此幾殼質、殼聚糖的開發利用上受到很大限制。
  15. Silylate - terminated polyurethanes with built - in hydrophilic sites were synthesized. when the polymer is dispersed in water, the silane alkoxy end - groups of the polymer undergo hydrolysis, followed by condensation to form a stable cross - linked aqueous dispersion. tem studies indicated that with more incorporation of hydrophilic sites, the particle size of the dispersion decreased. it was also found that the film property depended on the particle size when the crosslinking density in particels was much higher. the average molecular weight of the elastically effective network chain mc measured by swelling experiments shows fairly good agreement with the theoretical value of mc. it was also found that the cross - linking density of the casting film may increase during the film formation and drying process

    將硅氧烷封端的含親水基團的線性聚氨酯預聚體分散於水中，獲得穩定的聚氨酯分散體.由於硅氧基團水解、縮合，在分散體粒子內產生擴鏈交聯反應，生成了交聯水基聚氨酯分散體.透射電子顯微鏡研究表明分散體粒徑小、分佈寬.掃描電子顯微鏡研究了成膜結構及成膜性能與粒徑的關系.溶脹實驗計算獲得的兩交聯點之間的平均分子量與理論平均分子量相符.研究還發現此分散體膜在乾燥過程中可進一步交聯.膜的水溶脹及機械性能表明，此分散體具有極大的工業應用價值
  16. Different grades of crystal polystyrene molding pellets range from 150, 000 to 350, 000 weight average molecular weight

    不同牌號的結晶聚苯乙烯模塑粒料平均分子量范圍從150 ， 000 - 350 ， 000 。
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