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1)  Mz
Z均分子量
2)  z-average molecular weight
Z平均分子量
3)  viscosity-average molecular weight
粘均分子量
1.
The viscosity-average molecular weight of PASP,scale inhibitio.
用极限黏度法测定合成聚天冬氨酸的粘均分子量,用静态阻垢法评价聚天冬氨酸的性能,用摇床法检验聚天冬氨酸的生物降解性。
2.
The effect ofγ-irradiation dose(range from 0 to 25kGy) on the viscosity-average molecular weight((?)),mechanical properties,thermal performance,and the chemical structure of poly (L-lactic acid)(PLLA) under air atmosphere was investigated.
考察了辐射剂量(D)在0~25kGy范围和空气气氛下,γ-辐照对L型聚乳酸(PLLA)的粘均分子量((?)_η)、力学性能、热稳定性和化学结构的影响。
3.
Use viscometry to determine viscosity-average molecular weight of oxidated polyethylene wax and introduce the measurement,process and effect factors in detail.
用粘度法测定氧化聚乙烯蜡的粘均分子量。
4)  Average molecular weight
平均分子量
1.
The change of viscosity and average molecular weight of heavy oil from Liaohe oilfield with temperature and reaction time are investigated in the paper.
探讨了在注蒸气条件下,稠油的粘度和平均分子量随蒸气温度、反应时间的变化规律,研究了金属盐、油层矿物对稠油水热裂解反应的影响。
2.
The refractive index, density, average molecular weight, elemental composition and 1H-NMR spectra of five coker gatches were determined.
测定了大庆、胜利、辽河、管输等5种焦化蜡油的密度、平均分子量、折光指数、元素和1H-NMR核磁共振波谱等数据,研究了5种焦化蜡油的化学组成,包括饱和烃、轻芳烃、中芳烃、重芳烃和胶质5个组分的含量,并与直馏蜡油的数据进行了对比;采用改进的B-L法、n-d-M法和密度法计算了平均结构参数。
3.
GPC analysis revealed that the average molecular weight and molecular radius of β-glucan were 9.
30%,由此可用高效凝胶色谱测定其分子量,得到其平均分子量为9。
5)  molecular weight
重均分子量
1.
In this paper,the influence of molecular weight(Mw) of modified PASP(Asp-Glu copolymer,PAG) on its scale inhibition is studied,and the optimum molecular weight are determined;moreover,the scale inhibition performance of combinated copolymer with different Mw is also tested.
考察了聚天冬氨酸(PASP)的改性产物——天冬氨酸-谷氨酸(Asp-Glu)共聚物的分子量对阻垢性能的影响,确定了共聚物的最佳重均分子量;并考察了两种不同分子量共聚物复配使用的阻垢效果。
2.
Although GPC online viscometer, as a kind of GPC equipped with a concentration detector and a viscometer, has been used widely as its brief manner, its results of molecular number, molecular weight and dispersibility retain a lot of errors with the problems of the data applied method and the precision of instrument.
黏度在线凝胶色谱是一种同时配备浓度和黏度检测器的凝胶色谱,由于其测定过程简单直接,被越来越多地广泛采用,但因为数据处理方式和仪器精度的问题,其数均分子量、重均分子量与分散度结果存在较大误差。
3.
The weight average molecular weight, the diffusion coefficient, both the hydrodynamic and gyration radii, and the shape of the flocculation particles can be determined by laser light scattering.
综述了利用该技术可实现对絮凝剂胶体分子粒径、形态结构、粒径分布和重均分子量的精确测量 ,论述了激光散射技术在絮凝剂沉降性能的研究及絮凝剂改进提高方面的重要作
6)  viscosity-average molecular weight
黏均分子量
1.
The factors affecting the preparation of chitosan microspheres,such as viscosity-average molecular weight and concentration of chitosan,ratio of ethyl acetate and NaOH,agglomerating time,were studied and the method of preparing porous chitosan microspheres was optimized using the surface,inner configurations and shape of chitosan microsphere obtained by scanning electron microscope as index.
以不同黏均分子量的壳聚糖为材料,用扫描电子显微镜观察壳聚糖微球表面、内部结构及形态,并以其为主要参考指标,研究了壳聚糖黏均分子量、NaOH浓度、乙酸乙酯比例、壳聚糖浓度、凝结时间等对壳聚糖形成多孔微球的影响,优化了制备多孔壳聚糖微球的工艺参数。
补充资料:Z均分子量
分子式:
CAS号:

性质: 是聚合物的一种平均分子量,它的数学定义为:式中,Ni和Mi分别为第i种分子的分子数和分子量。它的数值高于重均分子量Mw。熔体黏度等性质强烈依赖于它的数值。试样的Mz高时,熔体黏度将大大增高。实验上可以用超离心沉降法和凝胶色谱法测定Mz。

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