Current Category: CN-GB - National standards
This standard specifies the quarantine identification method for Parascaris pendula. This standard is applicable to the quarantine identification of Parascaris pendula.
This standard specifies the grade levels of storage backup systems and their related capability indicators, and provides testing methods based on the capability indicators. This standard is applicable to the classification and testing of the capability levels of storage backup systems.
This part of GB/T 22181 specifies the measurement methods for the parameter characteristics of plasma displays used in digital televisions. This part is applicable to plasma displays used in digital televisions. Plasma displays for other purposes can refer to this part for guidance.
This standard specifies the abbreviations, principles, reagents, sampling, and operating procedures for the in vitro detection of bovine tuberculosis using the gamma interferon method.
This standard is applicable to the early diagnosis, quarantine, monitoring, and epidemiological investigation of bovine tuberculosis.
This part of GB/T 19554 specifies the limits and measurement methods for the equipment described in the scope of application, involving requirements for continuous and transient disturbances, conducted and radiated disturbances. These requirements are essential for electromagnetic compatibility. This part applies to professional audio, video, and audio-visual equipment defined in Chapter 3, as well as lighting control equipment for entertainment venues described in Chapter 4, including professional digital equipment defined in Section 3.5 and components specified in Section 7.3. The disturbance signal frequency range specified in this part is 0 Hz to 400 GHz, but requirements are not set for the entire frequency band. See Note 2. Appendix E provides information on infrared transmitters with wavelengths of 0.7 μm to 1.6 μm. This part does not consider the conditions of failure of disturbance sources or disturbed equipment. The equipment defined in Sections 3.4, 3.5, and 3.6 can operate under any form of power supply, including: -- public low-voltage grids; -- independent grids with similar characteristics; -- DC power supplies for specific equipment; -- built-in batteries in the equipment; -- backup generators, etc. Some standards referenced in this part may not apply to independent low-voltage grids.
This part of GB/T 19554 specifies the requirements for electromagnetic immunity testing of equipment, including test signals, performance criteria, and testing methods, covering resistance to conducted and transient electromagnetic interference, including electrostatic discharge. These requirements are essential for electromagnetic compatibility. This part applies to equipment used in the professional audio, video, and audiovisual devices defined in Chapter 3, as well as lighting control equipment for entertainment venues described in Chapter 4, including professional digital devices defined in Section 3.5 and components defined in Section 7.4. The disturbance signal frequency range specified in this part is 0 Hz to 400 GHz, but requirements are not applied to the entire frequency range. Appendix C provides information on infrared emission devices with wavelengths of 0.7 μm to 1.6 μm. This part does not consider the conditions of failure of disturbance sources or interfered equipment. The equipment defined in Sections 3.4, 3.5, and 3.6 can operate under any power supply forms, including: -- public low-voltage grids; -- independent grids with similar characteristics; -- DC power supplies for specific equipment; -- built-in batteries in equipment; -- backup generators. Some standards referenced in this part may not apply to independent low-voltage grids.
This standard specifies the basic principles, basic requirements, and management requirements for the comprehensive utilization of pepper waste. This standard applies to the comprehensive utilization of non-target products generated during the production and processing of pepper.
This guidance technical document stipulates the requirements for resources and environment, production and management, effects and development, and grading of urban agricultural parks. This guidance technical document is applicable to the planning, construction, operation, and management of urban agricultural parks.
This standard specifies the terms and definitions, technical requirements, test methods, and requirements for inspection, marking, packaging, transportation, and storage of X-ray protective clothing.
This standard applies to protective clothing worn by personnel exposed to X-rays.
This standard specifies the pictograms, hazard statements, precautionary statements, and their codes for chemicals.
This standard applies to the classification of chemicals and their hazardous disclosures.
This standard specifies the division of natural secondary forest rehabilitation management areas, cultivation objectives, main technical measures for rehabilitation, and the content and requirements of rehabilitation survey design in the Northeast region. This standard is applicable to the rehabilitation of natural secondary forests in the mountains of the three provinces of Northeast China and Inner Mongolia (eastern part).
This standard specifies the requirements, test methods, inspection rules, traceability, and marking of aluminum alloy wire for rail transit welding (hereinafter referred to as "wire"). It also covers packaging, transportation, storage, and the contents of quality certificates and purchase orders (or contracts). This standard applies to aluminum alloy wire for rail transit welding.