1) wide size distribution
宽粒径分布
1.
A three-dimensional gas-solid fluidized bed in which particles have wide size distribution was simulated by using computational fluid dynamics-discrete element method (CFD-DEM) coupling method.
采用计算流体力学–离散单元(CFD-DEM)耦合方法对三维宽粒径分布流化床进行数值模拟研究,对比了两种不同表观气速下流化床内颗粒的分离和混合情况,并对计算结果进行了详细分析。
2) particle diameter distribution width
粒径分布宽度
1.
Handling the transmission speculum image with image analyzer, and simultaneously introducing such parameters as number average particle diameter, volume average particle diameter and particle diameter distribution width to build up the method characterizing PVC particle diameter size and its distribution.
利用图像分析仪通过对透射光镜图像的处理,同时引入个数平均粒径、体积平均粒径及粒径分布宽度等参数,建立了PVC颗粒粒径大小及分布的表征方法,方法的重复性较好。
3) size distribution
粒径分布
1.
Characteristics of size distributions of atmospheric fine particles in the north suburban area of Nanjing.;
南京北郊大气细颗粒物的粒径分布特征
2.
Studies on characteristics of size distribution and formation mechanism of fine particle matters in summer of Ji'nan;
济南夏季大气颗粒物粒径分布特征及来源机理分析
3.
Characterizing of the size distribution of indoor airborne nanoparticle;
室内气溶胶纳米颗粒物的粒径分布特征
4) particle diameter distribution
粒径分布
1.
The morphous, particle diameter distribution, drug content, and stability of the formed emulsion were investigated.
方法分别采用转相超声乳化技术和高压乳匀法制备莪术油亚微乳,比较其形态和粒径分布,HPLC法测定了其含药量,并进行稳定性比较。
2.
The effects which would effect the particle diameter distribution are preliminary analyzed.
探讨了马尔文激光粒度仪测量纳米TiO2分散液粒子粒径分布的规律。
3.
The particle diameter distribution of liquid droplets is one of the key factors involved in the technology for making fluid ice from a liquid-liquid circulating fluidized bed.
液滴的粒径分布是液-液循环流化床制取流体冰技术的关键因素之一。
5) diameter distribution
粒径分布
1.
Influence of aliphatic polyols on diameter distribution of hydrothermal synthesized zeolite A;
脂肪族多元醇对水热合成A型沸石粒径分布的影响
2.
The conformation principle,performance character and quality control and guarantee rules during operation of Wide-range Particle Spectrometer,a apparatus of observing atmospheric paricle number concentration and diameter distribution,have been introduced,and the existent problems have been discussed at the same time.
介绍了大气颗粒物数浓度及粒径分布观测仪器-宽范围颗粒物分光计的构造原理、性能特点及操作中的质量控制与保证规程,并对存在的问题进行了论述。
3.
This paper sets up the relations of all the selected parameters and goes deep into the influence these parameters (roundness, diameter distribution, average diameter) impose on the interactional force of Aeolian sand; Validate some phenomena exist in the desert dune.
以北京北郊的沙漠沙为研究对象,对其多种物理特性进行测量和分析,提取其中的流体力学和粉体力学特征,建立这些特性参数之间的横向联系,指出了圆度、粒径分布和平均粒径等形貌特征参数对于沙粒的颗粒间作用力效果的重要影响;用测量结果验证和解释了沙丘结构的一些现象和规律。
6) particle size distribution
粒径分布
1.
Studies of phase holdup and particle size distribution in slurry bubble column reactor;
浆态床反应器中相含率及粒径分布的研究
2.
Transient variations of bed voidage and particle size distribution in expanded bed during yeast suspension loading;
酵母悬浮液进料时膨胀床空隙率和粒径分布的动态变化
3.
Grey connection analysis between the particle size distribution of fly ash-slag powder-cement compound and its fluidity;
粉煤灰-矿渣-水泥体系粒径分布与其流动性的灰色关联
补充资料：调和平均粒径
分子式：
CAS号：
性质：在混合颗粒中，直径为d1、d2、…dn的颗粒的质量分率，分别为x1、x2、…xn，则混合颗粒的调和平均直径可按下式计算：
CAS号：
性质：在混合颗粒中，直径为d1、d2、…dn的颗粒的质量分率，分别为x1、x2、…xn，则混合颗粒的调和平均直径可按下式计算：
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条