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Database: 365,228(8 Aug 2026)

π polariton

π polariton, Total:10 items.

The international standard classification for "π polariton" includes: Measuring instruments .

The Chinese standard classification for "π polariton" includes: Measuring tool and instrument .


国家市场监督管理总局、中国国家标准化管理委员会

National Metrological Technical Specifications of the People's Republic of China

Professional Standard - Chemical Industry

Professional Standard - Petroleum

  • SY/T 6131-1995 Determination of grain size of clastic rock by laser method

Professional Standard - Construction Industry

  • JG/T 3025-1995 Ⅱ Shape precast reinforced concrete skylight purlin

GSO

  • OS GSO IEC 60444-1:2014 Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a pi-network

SCC

  • DANSK DS/EN 60444-1:1997 Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a pi-network

International Electrotechnical Commission (IEC)

  • IEC 60444-1:1986 Measurement of quartz crystal unit parameters by zero phase technique in a -network; part 1: basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a -network

ES-UNE

  • UNE-EN 60444-1/A1:1999 Measurement of quartz crystal unit parameters by zero phase technique in a pi-network -- Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a pi-network. (Endorsed...

German Institute for Standardization

  • DIN EN 60444-1:2000 Measurement of quartz crystal unit parameters by zero phase technique in a -network - Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a -network (IEC 60444