viscosity number

[vɪˈskɑsɪti ˈnʌmbɚ][vɪˈskɔsɪti: ˈnʌmbə]

黏度值

  • Based on the non-Newtonian stress formula the relationship between the velocity distribution and resistance coefficient are obtained . The characteristic viscosity and the characteristic Reynolds number general characteristic Reynolds is defined .

    应用非牛顿流的切应力本构模型,推导了速度分布与阻力系数的关系式,通过定义特征 黏度和特征雷诺 、计算雷诺数,使以特征雷诺数表征的阻力系数与牛顿流体一致。

  • The relationship between proper demulsification temperature and the difference of viscosity number between the two emulsions was found and verified by further experiments which gives a new way to confirm the proper demulsification temperature .

    通过对比发现2种体系的 黏度差值与适宜破乳温度存在一定的关系,并通过实验进一步验证了这种关系,为原油生产中确定适宜破乳温度提供了新途径。

  • Dimensionless parameters affecting the distorted drop were introduced namely the viscosity ratio the capillary number the Reynolds number the Weber number the Peclet number the Elasticity number and so on . And function of surface shape of the distorted drop was put forward .

    介绍了影响液滴形变的 粘度比、毛细管 、雷诺数、韦伯数、Pecletnumber和Elasticitynumber等无量纲参数以及液滴形变的表面形状函数;

  • The International Organization for Standardization ( ISO ) has specified the determination of the viscosity number in dilute solution of methyl methacrylate ( MMA ) polymer for moulding and extrusion .

    国际标准化组织(ISO)规定了甲基丙烯酸甲酯聚合物模塑和挤出材料的稀溶液 的测定。

  • Determination of Viscosity Number of MMA Polymers in Dilute Solution and its Kinetic Energy Correction

    MMA聚合物稀溶液的 测定及其动能改正

  • The Calculation of Natural Gas Viscosity and Reynolds Number

    天然气气体 粘度和雷诺 计算

  • The key influential factors of PVC viscosity number determination were analysed . The removal methods of influential factors were discussed .

    分析了影响PVC 测定的主要因素,详细阐述了消除这些影响因素的具体方法。

  • The P value measured by pressed film method was in cor - respondence with viscosity and showed linear relationship with logarithmic viscosity number which was not found in extraction method .

    压膜法测定的纺丝原液的P与粘度相对应,且与 粘度 对数呈线性关系,而拉丝法则没有。

  • So PVC resin with 85 % whiteness and 85 mL / g viscosity number are obtained .

    改进后使PVC树脂的白度控制在85%、 为85mL/g。

  • Effects of monomer concentration temperature initiator and polymerization time on the intrinsic viscosity number were discussed and a new fracturing fluid formulation was obtained .

    对合成条件进行了分析,探讨了单体、温度、引发剂和反应时间等因素对聚合物特性 的影响,并在此基础上形成压裂液的配方。

  • During pan-milling SBS molecular chains were ruptured intrinsic viscosity number decreased and the aberration of dispersing phase of polystyrene increased domain size occurred .

    在碾磨过程中,SBS分子链断裂,特性 下降,聚苯乙烯分散相发生畸变,其相区尺寸增加;

  • The results show that the infiltration volume in feeding process increases with increasing the feeding time and velocity or decreasing the fluid viscosity and eyelet number of porous medium .

    结果表明:随着补缩时间和旋转速度的 增加,补 过程中渗流流体体积增大;

  • Determination of viscosity number of PVC resins in dilute solution

    GB/T3401-1982聚氯乙烯树脂稀溶液 的测定

  • Viscosity number determination of polyvinyl chloride resin dilute solution is one of the important indexes on polyvinyl chloride resin and determines its various uses .

    聚氯乙烯树脂稀溶液 是聚氯乙烯树脂的一项重要指标,它的高低决定着产品的不同用途。

  • Significantly decreased blood specific viscosity the number of acinus and lobule of mammary glands and acinus diameter .

    降低全血比 黏度;明显减少乳腺小叶 、腺泡数,降低腺泡腔直径,对胞浆面积无明显影响。

  • Results showed that while viscosity number of mould powder was reduced or F - w_1325 content were enlarged ZrO 2 & graphite refractory was badly corroded .

    结果表明,随着保护渣 粘度的降低或F- w_1349含量的增高,ZrO2&石墨质耐火材料蚀损严重。

  • Attentive matters in viscosity number determination of polyvinyl chloride resin dilute solution were introduced . The influences of result that was caused by various operation phenomenons and reasons were analyzed .

    介绍了聚氯乙烯树脂稀溶液 测定中的注意事项,分析了各种操作现象对结果产生的影响并进行了原因分析。

  • Intrinsic viscosity number measurement and TLC were used to monitor the prepolymerization reaction .

    用红外、特性 ηw_340及薄层色谱方法对预聚反应、聚合度及改性沥青进行了分析。

  • It indicates that the latex viscosity the number averge molecular weight and weight average molecular weight of rubber increased with increasing the monomer conversion the relative molecular mass distribution width index is larger .

    结果表明,随单体转化率提高,体系 粘度增加,生胶的 均、重均分子量均增大,相对分子质量分布宽度指数变大,即分子量分布变宽。

  • Determination of viscosity number and limiting viscosity number of polymers in dilute solution

    GB/T1632-1993聚合物稀溶液 和特性粘数测定

  • Extra-heavy crude oil has such characteristics as high density high viscosity and high acid number low light oil yield and misdistribution of asphalt composition from which it is hard to produce asphalt .

    超稠油的密度大、 粘度高、轻油收率低、 酸值高,沥青组成分布不合理,生产沥青困难。

  • The effect of pH value and solid concentration on the properties of cerium oxide slurry was studied such as stability contact angle on Si ( 100 ) surface and viscosity number .

    研究了氧化铈抛光液颗粒浓度和pH 的变化对抛光液悬浮性能、接触角和 粘度的影响。

  • To analyze the influence of factors such as monomer and initiator to the polymer limiting viscosity number and the monomer conversion rate .

    分析了单体、引发剂等因素对聚合物特性 和单体转化率的影响。

  • Relation between the limiting viscosity number of urea-formaldehyde prepolymer and the blue electronic ink microcapsules

    预聚体特性 与电子墨水微胶囊性能的关系

  • Intrinsic viscosity number of synthesized CPAM is 750 mL / g and cationization of synthesized CPAM is 12 % .

    合成的CPAM可达特性 为750mL/g,阳离子度为12%;

  • This method includes the expressions of the parameters as average apparent viscosity and Reynolds number etc. and the position of the average apparent viscosity at the section when the fluid moves in pipeline and annular space .

    该方法包括流体在管内或环空流动时,平均视 粘度、雷诺 等参数的表达式及平均视粘度在截面所处的位置。

  • The inspection value of viscosity acid number and oxidation stability do not range much .

    粘度酸值、氧化安定性的检验数值变化不大;

  • Waste PET and its products especially the second waste from reusing process unfit to reuse directly because lower instrinsic viscosity number .

    废PET及其制品特别是直接回收加工产生的二次废料,因特性 粘度 过低已不宜直接再利用。

  • The paste viscosity falling number noodle quality and their correlation of18 wheat varieties bred in Guanzhong area of Shaanxi province were analyzed .

    以参加陕西省区域试验的18个小麦品种(品系)为材料,系统研究了小麦面粉的 粘度 特性、淀粉酶活性及其与面条品质性状间的关系。