Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 4. Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns
Microbiology of food and animal feeding stuffs. Guidelines on preparation and production of culture media. Part 2. Practical guidelines on performance testing of culture media
Petroleum and natural gas industry. Subsea production systems. Design and pressure rating determination of subsea equipment with consideration about external pressure