动态激光粒度分析仪测定其平均粒径大小和分布；
The size distribution and mean diameter were measured by laser light scattering technique.
PCC较高的白度、适宜的微观粒径、相对较窄的粒度分布特性，对提高纸张质量有积极的意义。
High whiteness, appropriate particle size and narrow particle size distribution of the PCC will contribute to improve the quality of paper in a positive way.
对超精密磨削所用细粒度金刚石砂轮磨粒粒径的分布特点和砂轮表面上磨粒的轮廓波长进行了分析。
Detailed analyses of the grain size distribution characteristics and the grain profile wavelength of fine diamond grinding wheel used for ultra-precision grinding are presented.
实验结果表明，宽粒度分布物料的不同粒径粒子的运动路径不同，而造成了各自的平均循环停留时间不同。
The results show that the different motion tracks of different size particles of broad size materials lead to the different average circulation-time.
论文考察了反应物浓度、水热温度、水热处理时间等因素对产物粒度分布、粒径尺寸、形貌等的影响。
We found that the granularity, size and shape of the products were affected by the concentration of the reactants, the temperature and the time of the hydrothermal reaction.
粒径在10到150微米的颗粒都可以很好地流化，小心地选择粒度分布可以使效率更高。
Particles in the range of 10 to 150 microns fluidise best and careful selection of the size distributions used leads to higher efficiency.
通过透射电镜、激光粒度分布仪等测定了纳米颗粒的粒径和分布情况，并对纳米金溶胶的紫外可见吸收曲线进行了研究。
The particle size and distribution were determined by transmission electron microscopy and laser particle size distribution analyzer, ultraviolet-visible absorption curve was also characterized.
利用激光粒度分布仪、SEM、DSC分别研究微胶囊的粒径分布、表面形貌以及热性能。
The surface morphology, diameter, melting point of the microcapsules were investigated by using FTIR, SEM, DSC.
应用库尔特计数器测定粒度分布及粒径变化规律。
The particle size distribution of the particulates and the rate of their coalescence were determined by using the Coulter counter.
从本质上讲，絮凝工艺是专门用以改变悬浊液中颗粒粒度分布的，沉淀和过滤工艺也只能去除某些具有一定粒径的颗粒。
Essentially, flocculation process is used to change particle size distribution of suspension, and units of sedimentation and filtration can only remove particles of a certain grain size range.
实验表明，用圆盘离心沉降法测定几种石墨粒度分布情况与扫描电镜照片粒径范围接近。
Results indicate that the particle size distribution of several kinds of graphite measured by this method is similar to the particle size range shown in scanning electron micrograph.
讨论了对纳米碳酸钙的粒径测量方法，如：电镜、激光粒度分布仪、沉降体积、筛分法。
The measurement methods of particle size of nano-CaCO_3 including SEM method, laser size distribution method, sedimentation volume method and screening method are discussed.
其制备方法制备的纳米双金属催化剂具有活性组分粒子粒度均匀，粒径分布窄，催化活性高的优点。
The nano double-metal catalyst prepared by the preparation method has the advantages of uniform granularity of active ingredient grains, small grain diameter range and high catalytic activity.
PTA作为浆料的主要成分直接影响到浆料的性能，其中PTA平均粒径的大小和粒度分布情况对浆料性能影响较大。
PTA as the main composition of the slurry, have direct influence on the slurry properties. Effect of average particle size and its distribution on slurry properties are discussed.
本发明制备工艺简单，所 得纳米粒子粒径均匀，粒度分布较窄，对疏水性药物有较高的载药量和包封率。
The invention has simple process, uniform grain diameter, narrow graininess distribution, high carrier and packing rate on hydrophobic drug.
水淬高炉渣微粉整体粒径分布均匀，不同粒度范围内微粉特性差异较小。
As for W-BF slag, its particle size distribution is regular, and the difference of characteristics between different particle size ranges is also small.
粒径分布很窄，镍溶胶粒子的数均粒度的标准偏差在5%之内。
The distribution of grain diameter is narrow, wherein the standard deviation of the average granularity of the nickel sol grains is within 5%.
湿法超细磨矿是生产高纯超细锆英石粉的关键工序之一，它直接影响最终产品粒度分布、中位粒径和白度。
Wet ultrafine grinding is the key operation for producing ultrafine zircon power with high purity, and directly affects the size distribution, d50 and whiteness of the final products.
湿法超细磨矿是生产高纯超细锆英石粉的关键工序之一，它直接影响最终产品粒度分布、中位粒径和白度。
Wet ultrafine grinding is the key operation for producing ultrafine zircon power with high purity, and directly affects the size distribution, d50 and whiteness of the final products.
应用推荐