Standards

DB50/T 499-2013 Abolished

DB50/T 499-2013 Industrial Park Greening Project Management Standards

This standard specifies the management responsibilities of greening project management in industrial parks, the basic requirements for greening work, the design of greening plans for industrial parks, greening construction, greening acceptance, and related content of greening maintenance. This standard applies to the management and service activities of greening projects in industrial parks.

Publish Date: 2013-06-01

DB50/T 496-2013 Abolished

DB50/T 496-2013 veneer board

This standard is applicable to solid fine wood core boards

Publish Date: 2013-05-01

DB50/T 494-2013 Abolished

DB50/T 494-2013 The on-site testing specifications for capacities of 66kV and below power transformers

This standard is applicable to the on-site testing of the capacity of single-phase transformers and three-phase transformers with Yyn, Yd, and Dyn connection groups with a voltage of 66 kV or lower. This standard is not applicable to the on-site testing of the capacity of special transformers.

Publish Date: 2013-05-01

DB50/T 491-2013 Abolished

DB50/T 491-2013 Artificial propagation of Chinese needlefish oyster

This standard specifies the selection and cultivation of brood fish, as well as artificial spawning induction of Chinese spearhead barbels. This standard is applicable to the artificial reproduction of Chinese spearhead barbels.

Publish Date: 2013-03-01

DB50/T 479-2012 Abolished

DB50/T 479-2012 Artificial Insemination Station for House Rabbit Building Standards

This standard specifies the terms and definitions, site selection and layout, facility construction, equipment configuration, breeding male rabbits, staff, environmental protection, and management systems for artificial insemination stations for domestic rabbits. This standard is applicable to artificial insemination stations for domestic rabbits in our city, and artificial insemination rooms in large-scale rabbit farms can also refer to it for use.

Publish Date: 2013-03-01

DB50/T 490-2013 Abolished

DB50/T 490-2013 DB50/T 490-2013 Cultivation Technical Specification for Chinese Spiny Oyster (Haplocheirus esculentus) - Culture of seedlings。

This standard specifies the environmental conditions for the cultivation of Spinibarbus sinensis (Bleeker) seedlings, preparations before stocking, fry cultivation, and seedling cultivation, as well as disease prevention and control. This standard applies to the cultivation of Spinibarbus sinensis (Bleeker) fry and seedlings. Other Spinibarbus fry and seedling cultivations can be implemented with reference to this standard.

Publish Date: 2013-03-01

DB50/T 481-2012 Abolished

DB50/T 481-2012 Processed tobacco leaves for rolling

This standard specifies the requirements for leaf-threshed and re-toasted tobacco, sampling and experimental methods, inspection rules, packaging, marking, labeling, transportation, and storage. This standard applies to leaf-threshed and re-toasted tobacco produced by processing plants in Chongqing City. This standard also defines terms and definitions.

Publish Date: 2013-01-01

DB50/T 480-2012 Abolished

DB50/T 480-2012 Low-speed Fault-tolerant CAN Data Transmission Node System for Automotive Lighting Signal Control Technical Specification

This standard specifies the terms, definitions, requirements, test methods, inspection rules, marking, packaging, transportation, and storage for low-speed CAN (Controller Area Network) data transmission node systems used for automotive lighting and signal control. This standard applies to low-speed CAN data transmission node systems (hereinafter referred to as "systems") used in various automotive low-voltage wiring harnesses (hereinafter referred to as "wiring harnesses") with a nominal voltage of less than 50V.

Publish Date: 2012-12-30

DB50/T 472-2012 Abolished

DB50/T 472-2012 Special equipment emergency response plan preparation guidelines

This standard specifies the preparation procedures, main contents, format, and requirements for emergency response plans for special equipment accidents. This standard applies to special equipment users within the administrative area of Chongqing City.

Publish Date: 2012-12-30

DB50/T 465-2012 Abolished

DB50/T 465-2012 Low-voltage intelligent phase-selective switch

This standard mainly stipulates the terms and definitions, classification, characteristics, structure, and performance requirements of low-voltage intelligent phase selectors. It also specifies the tests and test methods used to verify compliance with the specified requirements. This standard applies to low-voltage intelligent phase selectors whose main contacts are used to connect circuits with a rated AC voltage of no more than 1000V, and which use microprocessors to control electromagnets and switch capacitors when the main circuit reaches zero.

Publish Date: 2012-10-29

DB50/T 284-2012 Abolished

DB50/T 284-2012 Chongqing Hot Spring Tourism Service Quality Specification

This standard specifies the requirements for the utilization of water resources, service items, service infrastructure and equipment, safety requirements, hygiene requirements, service personnel requirements, service quality monitoring and continuous improvement, and other requirements in hot spring tourism. This standard is applicable to the hot spring tourism service industry.

Publish Date: 2012-09-30

DB50/T 462-2012 Abolished

DB50/T 462-2012 Secondary school uniforms

The quality appraisal in the processing and production of school uniforms for primary and secondary schools in Chongqing City, as well as in the transaction and acceptance process

Publish Date: 2012-09-10