参比

• Crude oil - determination of saturated vapour pressure - reference methods
  原油饱和蒸气压的测定参比法
• Standard practice for carbon black - evaluation of a standard reference black
  标准参比炭黑的鉴定方法
• Natural gas - standard reference conditions
  天然气标准参比条件
• Standard reference acetylene black and standard practice for evaluation
  标准参比乙炔炭黑及鉴定方法
• The reference strain of bj were clustered into subgroup g independently
  参比菌株bj独立聚为g亚群。
• Petroleum liquid and gas measurement - standard reference conditions
  石油液体和气体计量的标准参比条件
• The corresponding crystals were also synthesized for reference
  同时，我们还合成了相应的单晶作为参比。
• Ph measurement ; reference electrodes
  Ph值测量.参比电极
• Study on low - temperature oxidation of coal with a comparative - oxidation method
  参比氧化法研究煤低温氧化特性
• Specification for glass and reference electrodes for the measurement of ph
  Ph值测量用玻璃电极与参比电极规范