查询词典 viscometry

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。

The viscometry is used to determine average number molecular weights of polyhydroxyalkanoates taking chloroform as solvent.

以氯仿作溶剂，用黏度法测定了多聚羟基烷酸的分子量，摸索了检测的最佳温度与溶液浓度，比较了黏度外推法与黏度单点法测验结果，建立了黏度法测定多聚羟基烷酸平均分子量的操作方法。

Procedure was qualitatively studied by the way of light scattering , electron microscopic projection , gravity test and viscometry .

通过光散射，电镜投射，比重测定和粘度测定等手段对聚合过程做了定性分析和研究。

The molecular weight and molecular weight distribution of polyethylene were determined by GPC and Viscometry.

对GPC曲线的高斯函数拟合分峰，计算在双组分茂金属催化体系中每种催化剂得到的聚乙烯的重量之比；根据各催化剂的催化活性和按所加的催化剂的摩尔比例假定进行独立反应时，可以计算在双组分催化体系中每种催化剂得到的聚乙烯的重量之比；根据两种重量之比的比较结果和对双组分茂金属催化体系得到的聚乙烯的平均分子量和平均分子量分布的分析结果，可以推测在催化体系CatZr〓/CatZr〓中两种催化剂基本上不存在相互作用；而在CatZr〓／CatZr〓体系中两种催化剂之间可能有相互作用存在。

1H NMR spectroscopy, viscometry, and differential scanning calorimetry were employed to characterize this novel type of crown ether-based supramolecular network

我们用氢核磁共振光谱法、粘度测定法和差示扫描量热法来表征这一类新的冠醚基超分子网络。

The molecular weight and molecular weight distribution of polystyrene of A B Cmade in differ ent conditions are determined with gel permeation chromatography and viscometry method .

本文采用凝胶渗透色谱法和粘度法分别测定了甲，乙，丙三种聚苯乙烯产品的分子量及其分布，为改进产品性能提供了依据。

The intrinsic viscosity of a series of short chain polystyrene samples ranging fromMW=400 to 7000 in four different solvents were measured with coupled kinetic energyand drainage correction for capillary viscometry.

对一组分子量在400~7000范围里的短链聚苯乙烯试样在四种不同溶剂中的特性粘数用毛细管粘度计作了测量。

A Novel Method for Intrinsic Viscosity Determination of Polymer SolutionThere are many methods for molecular weight determination of polymers, among which viscometry is used most, it has been broad applied both in production and scientific research. This method is easy to operate with simple instruments and is applicable for broad-range molecular weight, additionally, it has high precision.

在许多情况下，常需要对同种类聚合物的特性粘度进行大量重复测定，如果都按此法操作，每个样品至少要测定3个以上不同浓度溶液的相对粘度，这是非常繁琐的，而且需时较长，尤其在所得样品量极少的情况下，就难以用此法求得高聚物溶液的，为此，人们找到了更快速的近似方法，即"一点法"。

The polymers have been detected with IR,acid-base titration, element analysis, glass transition temperature,Viscometry and UV. The results show that introducing functional groups to the chain of polymer molecule will...

结果表明，通过在聚合物分子链上引入功能基因，可以大大增加分子链内或链间作用力，从而导致了聚合物的玻璃化转变温度的升高、粘度的反常增大以及紫外吸收峰的加宽

Secondly, the adsorption mechanism and main factor that influenced the buildup of PEMs and its structure were studied using UV-VIS spectrum, Contact angle measurement and viscometry.

其次，采用紫外光谱法、接触角仪、粘度法研究了PDDA/PSS自组装的机理和影响吸附量和膜结构的主要因素。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失