The system parameters are optimized according to the influencing rules for transferring irregular micro chromium powders, and the effects of powder transfer are experimentally investigated.
以此规律为依据，确定和选择铬粉脉冲输送的系统参量，验证粉体微输送效果。
2
This article determined variety elements in soil and mud sample, such as Copper, Lead, Chromium, Zinc, Nickel with the powder sheeting and X-ray fluorescence spectrographic methods determination.
采用粉末压片、X射线荧光光谱法测定土壤及底泥样品中铜、铅、铬、锌、镍等多种元素。
3
These include mass ratio of metallic powder to chromium trioxide and technological parameters of paint throwing off, drying and sintering processes.