选择兰州市典型沙尘天气和非沙尘天气收集两类降尘，并对其进行粒度测定。
The dustfall samples collected under typical dust and non-dust weather were made particle size analysis in Lanzhou.
介绍了一种氧化铁脱硫剂硫容的原粒度测定方法，并与小粒度测定方法作了对比实验。
The paper introduces an original size measurement of ferric oxide desulfurizer, and does an experiment compare to the small size measurement.
试验和生产应用表明，粒度测定的方法多种多样，沉降法以其原理简单、易于操作而被广泛采用。
Compared with other measure techniques, the sedimentation method has been applied abroad because of its simple principle and easy operation.
通过加电前后岩石颗粒的粒度测定试验，研究了外加电场对岩石骨架颗粒和粘土矿物性质的影响。
This paper tries to study how the externally applied electric field influence the properties of rock grain and clay minerals, by testing the grain size before and after applying electric current.
对燃气轮机二级动叶片失效件进行了化学成分分析、金相组织观察、晶粒度测定、夹杂物检查及断口分析。
In this paper, the chemical contents, microstructure, inclusion, grain size and fracture analysis of the second grade gas turbine blade were investigated.
试验结果表明，在给定的条件下，利用LKY-1型微粒测定仪对粉末粒度测定的重复性好，尤其适用于测定微细粉末的粒度分布；
The results shown that under given condition the model LKY-1 eriometer has good repeatability of the granulometry, especially suitable for measuring the distribution of fine particles.
该方法被广泛应用于各种高温合金、中低合金钢、微合金化钢中碳化物、金属间化合物的粒度尺寸分布的测定。
The present method has been used for the particle size determination of carbides and metal precipitates in microalloyed steel, middle-alloy steel and high-temperature alloys.
本文介绍了应用级联撞击器和佩戴口罩的人头模型在天然铀燃料元件加工现场测定吸入气溶胶粒度的方法。
This paper describes a method for measuring particle size of inhaled aerosol with a phantom of human head wearing dust-proof mask anda cascade impactor.
颗粒粒度的测定已成为现代测量学的一个重要分支。
Particle size measurement has become an important branch of modern surveying.
通过对等密度线的测定，查明了不同粒度铁粉的压坯密度变化，以及在不同压力下压坯密度变化的规律。
By measuring the equal density curves, the changes of compact density of iron powders with different particle size and different pressure were investigated.
用透射电镜测定了冻干前后粒度分布的变化；
The particle size and distribution were measured by transmission electron microscope.
方法以HPLC法测定不同粉碎粒度样品中栀子苷的含量为指标，比较了粉碎粒度对栀子苷提取率的影响。
Methods The effects of extraction particle size was studied by determining the gardenoside content in the extract by HPLC.
为了确定最佳破碎产品粒度，进行了碎磨功指数的测定工作，获得球磨给矿粒度与碎磨综合能耗的关系。
In order to find out the optimum economic crushing particle size, the work index of crushing and grinding have been obtain by through the test work.
采用X射线衍射和扫描电子显微镜测定了碳化硼粉的粒度和点阵数。
The grain size and lattice constant of Boron carbide was determined by method of X ray diffraction and scanning electron microscope (SEM).
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.
通过对粒度分布、页岩滚动回收率、线性膨胀和润滑性的测定，研究了石蜡微小乳状液与黏土分散体系的相互作用。
The interaction of paraffin wax emulsions with clay dispersions was investigated with respect to size distribution, shale recovery, line swelling and lubrication properties.
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.
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.
在测试之前，发泡剂adc样品需经超声波分散仪进行分散处理，消除部分团聚颗粒后才能准确测定粒度。
Before the test the sample of foaming agent should be dispersed with ultrasonic dispersion instrument to remove part of the aggregated grains, in order to measure the grain size correctly.
试验研究了S590粉末冶金高速钢的热处理工艺，测定了热处理后钢的硬度和晶粒度。
The heat treatment process of S590 PM high speed steel was investigated, and its hardness and grain size were measured after being heat treated.
实验测定了平直叶轮动态混合絮凝器内絮团粒度的空间分布。
Floc size distribution in a dynamic flocculator with a flat vane wheel was measured experimentally.
试验结果表明，经过哈氏可磨性测定仪后，各煤种的工业分析都发生了不同程度的变化，而煤粉破碎后的粒度分布取决于煤种的煤化程度，而与煤种的可磨性指数相关性较小。
The results(indicated) that the approximate analysis of the pulverized coal changed to different degrees, and the particle size distribution mainly depended on the coal rank but not the HGI.
采用粒度分析、SEM、XRD、IR、DTA和TG、反气相色谱（IGC）和BET多层吸附等测试方法对干粉磨高岭土进行分析测定。
The determination of particle size, together with SEM, XRD, IR, DTA, TG, inverse gas chromatography (IGC)and BET multi-layer absorption techniques were used to characterise kaolin samples.
测定了九龙高岭土的可塑性、化学组成、粒度及其分布、白度等，并且做了X—射线和透射电子显微镜分析。
The plasticity, chemical composition, particle size and its distribution, whiteness and so on of jiulong kaolin were measured and analyzed by X-ray and TEM.
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.
通过激光粒度仪、比表面测定仪、XRD、TEM和TG-DTA对样品粒度、比表面、晶型、形貌、失重情况等进行分析表征。
The products have been characterized using laser scattered particle analyzer, specific surface areas measuring and testing instruments, XRD, TEM and TG-DTA.
一种烧结混合料水分和粒度组成测定装置及方法。
The invention discloses a device and a method for determining the moisture content and the size composition of a sinter mixture.
通过乳胶粒粒度分析及引发聚合速率的测定，探讨了微皂乳液聚合的成核机理。
The nucleation mechanism of the emulsifier-minor latex particles was discussed by measuring the particle size and the polymerization rate for the seeded stage.
通过乳胶粒粒度分析及引发聚合速率的测定，探讨了微皂乳液聚合的成核机理。
The nucleation mechanism of the emulsifier-minor latex particles was discussed by measuring the particle size and the polymerization rate for the seeded stage.
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