垢

• Riveting , scaling , and tinner ' s setting hammers : safety requirements
  铆接去垢和白铁工用捶:安全要求
• Development of green scale inhibitors
  绿色阻垢剂的研究进展
• Effect of different detergents on succinate dehydrogenase
  不同去垢剂对琥珀酸脱氢酶溶膜效果的比较研究
• Preparation of added ferment hdld
  加酶重垢液体洗涤剂的制备
• Compound and study of heavy - dirty without phosphorus liquid - detergent
  重垢无磷液体洗涤剂的配制和研究
• The glass - electrodes method evaluating the efficiency of scale inhibitors
  评定阻垢剂阻垢性能的玻璃电极法
• Studies on anti - scale limit of magnetic water solution after ultra - filtration
  磁化水超滤后的防垢限度研究