化学方法

• Study on mechano - chemical activity of the slag treated by high - energy ball milling
  机械力化学方法活化矿渣研究
• Study on chemical method to controlharmful exhaust emissions of nox etc for diesel engines
  及碳烟的化学方法研究
• Experiment on small vascular allograft preserved by three chemical methods
  三种化学方法处理异体小血管移植的实验
• Soil quality - chemical methods - determination of the specific electrical conductivity
  土质.化学方法.导电比的测定
• But plants can defend themselves by using both physical and chemical means
  但植物也能用物理和化学方法来保护自己。
• Method of test for alkali - silica reactivity of aggregates by chemical method
  用化学方法测试集料碱硅反应性的试验方法
• Soil quality . chemical methods . determination of organic carbon by sulfochromic oxydation
  土质.化学方法.有机碳含量测定
• Soil quality - chemical methods - extraction of trace elements soluble in aqua regia
  土质.化学方法.溶解于王水的痕量元素萃取
• Soil quality - chemical methods - pretreatment of samples for physico - chemical analyses
  土质.化学方法.物理化学分析取样预处理
• Some researchers worry about the effects of industrial methods of modern farming
  很多研究人员都担心现代种植的化学方法的影响