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Database: 365,228(8 Aug 2026)

addition and subtraction

addition and subtraction, Total:22 items.

The international standard classification for "addition and subtraction" includes: Rubber compounding ingredients , Surface active agents .

The Chinese standard classification for "addition and subtraction" includes: Petroleum exploration, development, gathering and transportation engineering in general , Carbon black , Chemical additive .


National Metrological Verification Regulations of the People's Republic of China

Professional Standard - Agriculture

Professional Standard - Speciality

Professional Standard - Petroleum

  • SY 7032-2016 Test method for drag reduction effect of adding drag reducing agent to gas pipeline
  • SY/T 6578-2016 Specification for adding drag reduction agent in oil pipelines
  • SY 6578-2016 Technical specification for adding drag reducing agent to oil pipeline
  • SY/T 7032-2016 Testing method for the effectiveness of drag reduction agent used in gas pipelines

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Taiwan Provincial Standard of the People's Republic of China

Professional Standard - Chemical Industry

  • HG/T 2797.7-1996 Determination of heating loss of silicon aluminum carbon black

U.S. Military Regulations and Norms

SCC

  • MP 20.1-1971 Admixtures for concrete - Permeability-reducing admixtures

Defense Logistics Agency