In the normal condition, metal particulate which is related to mineralization can be transported by the gas in certain way from the depth to the surface. 在正常的条件下,与矿化有关的金属微粒(MP)以某种方式随气相从地壳深部迁移到地表。
An isothermal one dimension model of axisymmetrical compression was proposed, which can describe the deformation of metal and particulate reinforced metal matrix composites ( PMMCs ) in the semi solid state. 建立了用于描述金属及颗粒增强金属基复合材料在半固态下一维等温轴对称压缩变形行为的理论模型。
Contents and Distribution Characteristic of Heavy Metal in Atmospheric Particulate of Tumen City 图们市大气颗粒物中重金属含量及分布特征
Compared with traditional metal materials, particulate reinforced metal matrix composites ( PMMCs ) possesses lots of advantages, such as high specific stiffness, high specific strength, good resistance to high temperature, wear and fatigue and good steadiness to chemical and dimension. 颗粒金属基复合材料具有比强度和比刚度高、耐高温、耐磨损、耐疲劳、热膨胀系数小、化学稳定性和尺寸稳定性好等优点。
Distributions of basic metal elements in inhalable particulate matter during o_2 / co_2 combustion of lignite 褐煤O2/CO2燃烧时可吸入颗粒物中碱性金属分布特性