particulate matter

A new analytical method for direct collection and determination of trace toxic lead in atmospheric particulate matter(APM) has been investigated.

研究一种直接收集并测定大气微粒物质（ＡＰＭ）中痕量有害元素铅的新方法。

Trace amount of iron in atmospheric particulate matter has been directly deter-mined by graphite probe furnace atomic absorption spectrometry after collection with agraphite probe filter.

采用一定规格的石墨探针直接收集大气微粒物质，并采用原子吸收光谱法测定其中的痕量铁。

Self-assembly of microparticles driven by capilliary forces;

界面张力驱动的微粒自组装研究

Pressure effects on drug microparticle formation by using supercritical fluid technology;

压力对超临界流体技术制备药物微粒的影响

Experimental study on preparation of microparticles by using supercritical CO_2 spray drying;

超临界CO_2喷雾干燥制备乙基纤维素微粒的实验研究

Effect of particles sedimentation during leaching on seepage characteristic of copper dumps;

微粒渗滤沉积作用对铜矿排土场渗流特性的影响

Study of particles in the air effect solution quality in intravenous administration;

静脉给药中空气微粒影响药液质量的实验观察(英文)

The method of measuring distribution function of a particles shape in perturbation ameliorating;

真实形体微粒形体分布函数的动态光学测量方法

Progress in the studies on the techniques for micronizing drug particles with supercritical fluids;

超临界流体药物微粒化技术的研究进展

Production of natural carotene microparticles using solution enhanced dispersion by supercritical fluids;

超临界流体强制分散溶液制备天然胡萝卜素超细微粒

Coprecipitate-acid etch preparing magnetic liquid and the particle analying;

共沉淀-酸蚀法制备磁性液体及其微粒分析

Study on the characteristics of diesel exhaust particulate;

柴油机排气微粒特性的试验研究

Experimental study on the characteristics of diesel exhaust particulate filter;

柴油机排气微粒过滤捕集特性的试验研究

Study on Influence of Sampling on Diesel Engine Particulate Emission Measurement;

采样方式对柴油机微粒排放测量的影响分析