1、优点:(1)适用性广,既可测粉末状的颗粒,也可测悬浮液和乳浊液中的颗粒;(2)测试范围宽,ISO 13320 - 1 Particle Size Analysis 2 Laser Diffraction Meth 2 ods 2 Part 1: General Principles中规定激光衍射散射法的应用范围为0.1～3000 μm;(3)准确性高,重复性好;(4)测试速度快;(5)可进行在线测量。
2. 沉降法(SedimentatiorSizeAnalysis) 沉降法的原理是基于颗粒在悬浮体系时,颗粒本身重力 (或所受离心力)、所受浮力和黏滞阻 力三者平衡,并且黏滞力服从斯托克斯定律来实施测定的,此时颗粒在悬浮体系中以恒定速度 沉降,且 沉降速度与粒度大小的平方成正比;10nm〜20 叩的颗粒; 3. 光散射法(LightScattering) ...
关键词: Characterization Cryo-SEM Latex Microstructure Morphology Particle size analysis QELS Sub-micron DOI: 10.1016/S0927-7757(97)00131-3 被引量: 9 年份: 1998 收藏 引用 批量引用 报错 分享 全部来源 免费下载 全文购买 Elsevier (全网免费下载) Elsevier 国家科技图书文献中心 (权威机构) 掌桥科研 ...
During the SEM analysis, it is essential to carefully focus the electron beam on the crystal powder samples to obtain high-resolution images.在SEM分析过程中,必须小心地将电子束对准晶体粉末样品,以获得高分辨率的图像。Adjusting the electron beam intensity and beam position can help optimize the imaging...
In SEM imaging data analysis, detailed examination and description of surface morphology, particle size, and distribution of the sample need to be conducted. For EDS elemental analysis, peak identification and peak area calculations from the obtained spectra are necessary. Then, utilizing calibration ...
‘沟谷’的意思)是黄河内蒙古河道主要粗泥沙来源 Through the river bed drill hole particle size and the SEM appearance contrast analysis, Yang Gen lived (2002), Ta and so on (2003) further confirmed this section of river siltation owner if were bigger than 0.1mm desert Sha Hepi the sandstone ...
Identification of the probable sources of PM10 was carried out through particle size, shape, morphology analysis (scanning electron microscopy (SEM)), suitable compounds (X-ray diffraction (XRD)) and elements (energy-dispersive spectroscopy (EDS)). Monitoring stations nearby opencast mine were ...
Given the utility of SEM for quantitative analysis of particle size, the latter is preferred as it will produce high contrast between particles and the substrate. The substrate/embedding media should provide good contrast between particles and substrate since particle or edge like features can be ...
Next, the SEM-EDS analysis results were reanalyzed using a regression model to investigate the particle size of each sample. Finally, analysis was carried out to determine the porosity value of the samples tested. 2. Material and methodology Biomass waste samples used for this research were ...
关键词：煤尘爆炸；固态残留物；直径分布；圆度分布；形态分布 中图分类号:TD712 文献标志码：A 文章编号：1003-496X (2022) 05-0013-08 Analysis of micro morphology characteristics of coal dust explosion solid residues based on SEM and IPP ZHU Chao, WANG Hao CJiangsu ...