The porosity and permeability of rock are related directly to grain size and sorting characteristics 颗粒大小和分选性对岩石的孔隙和渗透率有直接关系。
We can get information of particle size with the measuring jumpiness of light scattering energy 通过对7角的散射能量跳动量的测量能够得到颗粒大小的信息。
Testing of plastics ; determination of particle size distribution of moulding materials by dry sieving analysis 塑料的试验.用干筛析法测定模塑材料的颗粒大小和分布
Throughput capacity is up to 200 t h , feed size may be up to 150 mm and product size may be less than 3 mm 生产能力能达到200t h ，给料大小可达到150mm ,破碎后的颗粒大小可小于3mm 。
When filter drip coffee is prepared , hot water passes through a loose aggregation of medium - size coffee grounds 以过滤滴漏的方式调制咖啡，就是让热水通过一堆松散、颗粒大小中等的咖啡粉末。
Particle size fractionation of organic - mineral complexes in red soils planted flue - cured tobacco under different fertilization conditions in yunnan 云南植烟红壤不同施肥条件下有机无机复合体颗粒大小分组研究
Sylodent combines the benefits of uniquely shaped edges with precise control of particle size for excellent cleaning and whitening Sylodent亮洁粒子结合独特形状及精确控制颗粒大小的优点，拥有最完美的清洁与洁白牙齿的效果。
The results indicate that the species and using level of dispersing agent were important factors to the particle size and distribution of the nano powder 结果表明，分散剂的种类和用量是影响纳米氧化镁颗粒大小和均匀度的重要因素。
The rheological behavior of shenhua coal - oil slurry was studied as a function of solids concentration , particle size and size distribution 摘要采用神华煤和煤直接液化循环油配制成油煤浆，考察了煤的颗粒大小、颗粒分布以及浓度对煤浆流变特性的影响。
The results of transmission electron microscopy ( tem ) showed that the grain of strontium titanate powder prepared was spherical and the grain sizes distribution were homogeneous 通过tem分析可以看出，制备的钛酸锶粉体材料的颗粒为球形，并且颗粒大小均匀。
