This standard specifies the methods for collecting, accumulating, arranging, filing and cataloguing marine survey, observation and

This standard specifies the index system for environmental assessment of coastal tourist resorts and the definition, calculation m

This standard specifies the selection, code structure and coding method of Chinese island names. This standard applies to the iden

This standard specifies the principles, methods, steps and data processing for measuring the sea area use area. This standard appl

This standard specifies the classification, raw materials, technical requirements, test methods and inspection rules for glass fib

This standard specifies the model compilation, technical requirements, test methods, inspection rules, packaging, transportation a

This standard specifies the product marking, requirements, test methods, inspection rules and marking, packaging, transportation a

This standard specifies the method for testing the maximum pore size of hollow fiber microporous membranes using the bubble point