物质的

• A chemical reaction is a process in which one species is converted to another .
  化学反应是一种物质转变成另一种物质的过程。
• Visible particulate matter can be controlled by adequate regulations .
  对肉眼可见的颗粒物质的污染通过适当管理即可加以控制。
• The environment that determines our evolution is no longer essentially physical .
  决定人类进化的环境已经主要地不是物质的了。
• The suspensor is thought to function as a channel for the conduction of food materials .
  胚柄被认为是作为运输营养物质的通道。
• He proposes that scientists look for unusual effects of consciousness acting on matter .
  他建议科学家注意意识对物质的非凡作用。
• In this sense photons differ very much from little grains or bullets of matter .
  在这个意义上，光子大大不同于物质的细粒或小丸。
• We can distinguish one kind of substance from another by its properties .
  我们可以根据物质的特性把一种物质与另一种物质辨别开来。
• Calcium pectate has been invoked as a material that binds together the cell walls of plants .
  果胶酸钙起着粘结细胞壁物质的作用。
• This rapid turnover of material in living things is part of their metabolism .
  这些生物体内物质的迅速循环，是它们新陈代谢的一部分。
• Segregation of fatty material is a serious problem in anaerobic sludge digestion units .
  厌氧污泥消化单元中脂肪物质的分离是个难题。