size composition

The part about synthetic test dust in standards is analyzed. At the same time the three questions about the composition of synthetic test and the mass percentage of every element, particle size distribution and chemical composition in these five standards are compared and analyzed in detail.

分析了国外五个标准中有关人工尘的部分，并对五个标准中人工尘的组成和各成分的质量百分数、粒径分布以及化学成分三个方面的问题进行了详细的比较、分析。

The problems existed in particle size distribution, chemical composition and producing of domestic synthetic test dust are also proposed.

详细列出了国内人工尘在粒径分布、化学成分及研究制备方面尚存在的问题。

Television has transformed the size and social composition of the audience at great sporting occasions.

电视改变了重大体育赛事观众的规模和其社会阶层构成结构。

The experiment studied the size distribution of filling material by U9 ( 96) uniformity design method and found an excellent size composition.

作者采用U9（96）均匀设计方法对充填材料的颗粒级配确定进行了实验研究，确立了较优的颗粒组成，在此颗粒级配下，可使充填材料获得高的堆积密度和强度；

Influence of particle size composition of fly ash on plasticity of sintered hollow brick pug

粉煤灰粒度组成对烧结多孔砖泥料可塑性的影响

The experiment results indicate that for the impact compaction behavior, the subgrade of water content, initial compacted degree and particle size composition are the main influence factors;

试验认为，冲击压实效果主要受路基填土含水量、起始压实度和颗粒组成等因素的影响；

According to the composition of 6061 aluminum alloy, the Al, Mg, Si and Cu element powders were mechanical alloyed. Physics phases, alloying character, lattice constant, grain size and lattice strain of these powders were determined and discussed.

Al，Mg，Si和Cu元素粉末按6061铝合金成分配比进行了机械合金化（MA），对其物相、合金化特性、晶格常数、晶粒尺寸及点阵应变作了测定和分析讨论。

It shows: friction coefficient and wear rate increase as porosity increases on condition that material's structure composition, original powder particle size composition distribution, solid lubricants'purity structure and so on are almost determined;

研究表明：在材料结构组成、原始粉末粒度组成及其分布，固体润滑剂纯度及其结构等基本一定的情况下，随着孔隙度的增加，材料的摩擦系数和磨损速率提高；

In order to investigate the effect of temperature on number and size of blood cells and serum biochemistry composition of yellow catfish ( Pelteobagrus fulvidraco), a trial was carried out at different temperatures ( 10 ℃, 16 ℃, 22 ℃ and 28 ℃).

设定10℃、16℃、22℃和28℃4个温度梯度，研究了温度变化对黄颡鱼（Pelteobagrus fulvidraco）血细胞数量、大小及血清生化成分的影响。

From a booth to spread the composition, size of the market size.

由一个个地摊摊位组成, 市场规模大小不等.

this paper proved that grain size composition of pluvial fan conglomerate has self similar fractal structure by applying fractal theory.

应用分形理论证实了洪积扇砾岩的粒度组成具有自相似的分形结构。

Its underflow particle size is coarse and particle size composition is even.

但底流粒度较粗，粒度组成均匀。

Application of fractal theory to evaluation of features of grain size composition of soil mass

分形理论在土体粒度成分特征评价中的应用

The grain size composition is well except the outside soil of the south wall and the inboard soil of the north wall.

粒度成分除南墙外侧与北墙内侧土体的级配不良外，其余各墙体均级配良好；

Finally, the effect of house market-positioning is expatiated respectively by population size and income, demographic composition, population migration and family size.

最后，针对人口规模与收入、人口构成、人口迁移及家庭规模和类型对我国住宅市场定位的影响分别展开阐述，并分别提出应对措施。

The fractal dimensions of grain size of slipped zone are 2 to 3, and average on about 2.8. The fractal dimension of granulometric composition can be taken as a parameter describing soil granulometric composition of slipped zone.

滑动带土的粒度分维值一般在2～3之间，其平均值约为2.8，分维可作为描述滑动带土粒度成分的参数。

Television has transformed the size and social composition of the audience at great sporting occasions

电视改变了重大体育赛事观众的规模和其社会阶层构成结构。