Standards

DB51/T 2984-2022

This standard specifies the assessment criteria for the health grade of spruce (Picea asperata Mast.) plantations, technical specifications for healthy management, and an evaluation index system and evaluation methods for the health status of plantations. This standard is applicable to the healthy management and evaluation of spruce plantations in western Sichuan Province.

Publish Date: 2022-12-27

DB51/T 1155-2022 The cultivation technical specifications for camphorwood plantation of Xiangchun

This standard specifies the technical measures for the seedling cultivation, forestation, and management of Chinese toon trees. This standard is applicable to the cultivation of Chinese toon timber forests within the territory of Sichuan Province.

Publish Date: 2022-12-27

DB51/T 2253-2022

This document specifies the requirements for tissue culture seedling production, sowing seedling production, and technical archiving of Acer pentaphyllum Diels. This document is applicable to the tissue culture seedling and sowing seedling production of Acer pentaphyllum Diels in Sichuan Province.

Publish Date: 2022-12-27

DB51/T 2974-2022 The process quality control requirements for avionics system products made from PMI foam

This document specifies the process and quality control requirements for PMI foam used in avionics system products, as well as packaging and storage requirements. This document applies to PMI foam parts in avionics system products.

Publish Date: 2022-12-27

DB51/T 2973-2022 The process quality control requirements for the aero-electrical system product using aramid paper honeycomb components

This document specifies the general requirements for process quality control of machining of honeycomb core parts made of phenolic resin aramid paper used in avionics system products. This document is applicable to the machining process of paper honeycomb sandwich panels and wave-absorbing honeycomb core parts used in avionics system products.

Publish Date: 2022-12-27

DB51/T 2972-2022 The vacuum brazing process requirements for the structural components of automotive electronic devices

This document specifies the requirements for the vacuum brazing process of structural components of on-board electronic equipment. This document is applicable to the vacuum brazing of structural components of on-board electronic equipment made of aluminum and aluminum alloys, such as 1070A, 1060, 1050A, 1035, 1200, 8A06, 3A21, 6061, and 6063.

Publish Date: 2022-12-27

DB51/T 2963-2022 E-customs customer service work specification

This document stipulates the setting of customer service positions at electronic ports and the requirements for their services, service norms, service procedures, complaint handling, work assessment, and other aspects of work norms. This document applies to the customer service work provided by electronic ports for import and export enterprises and related departments in Sichuan Province.

Publish Date: 2022-12-27

DB5113/T 24-2022 Green prevention and control technology specifications for diseases and pests of green pepper

Publish Date: 2022-12-20

DB5113/T 19-2022

Publish Date: 2022-12-20

DB5116/T 12-2022 Lakeside Sheep Breeding Technical Regulations

Publish Date: 2022-12-09

DB5116/T 11-2022 The standardization of processing technology for fermenting cow and sheep feed using pomace from citrus fruits

Publish Date: 2022-12-09

DB5116/T 10-2022 Feed processing technology specifications for bamboo powder

Publish Date: 2022-12-09