ZH
RU
ES

oxygen level

oxygen level, Total:9 items.

In the international standard classification, oxygen level involves: Rubber, Non-metalliferous minerals, Wastes, Water quality, Mining and quarrying.

GB-REG, oxygen level

• REG NASA-LLIS-0745-2000 Lessons Learned ?Potential for Low Oxygen Levels in Non-Enclosed Areas

SE-SIS, oxygen level

• SIS SS 3613-1989 Plastics pipes — Determination of the relative oxidation level

FI-SFS, oxygen level

• SFS 4239 E-1979 In the event of any differences in interpretation of this standard the Finnish version shall take precedence over this translation.

American Society for Testing and Materials (ASTM), oxygen level

• ASTM D4575-09(2019) Standard Test Methods for Rubber Deterioration—Reference and Alternative Method(s) for Determining Ozone Level in Laboratory Test Chambers

Professional Standard - Geology, oxygen level

• DZ/T 0064.77-1993 Groundwater Quality Examination Methods Carbon Dioxide-Water Balance Method Determination of Oxygen Isotopes
• DZ/T 0184.21-1997 Determination of Oxygen Isotopes in Natural Water by Carbon Dioxide Water Balance Method

Professional Standard - Machinery, oxygen level

• JB/T 8700-1998 Technical condition to rotor aerator with horizontal shaft used in oxidation ditch
• JB/T 8700-2014 Technical specifications to rotor aerator with horizontal shaft used in oxidation ditch
• JB/T 50112-1998 aaarotor aerator with horizonfal axle to oxdation ditch classification to products quality

Others:   horizontal radial, international level, concentration level, concentration level, The horizontal axis, horizontal flux, horizontal axis, horizontal observation, level chart, horizontal analysis, molecular level, factor level, Craft level, vertical horizontal, horizontal design, radial level, oxygen level, horizontal electrophoresis, Low levels of dissolved oxygen in water, Enzyme level and molecular level.