The introduction of trade standard of HR angle for iron tower;

Study on tunnel fire-proofing board and compilation of the trade standard

The main technology indexes of revised SINOPEC trade standard of ethylene propylene copolymer viscosity index improver are explained.

To draft national standards and industry standards must be in according to the procedure to ensure the quality of standards and also have them effective.

This paper introduces mainly industry standards of tungsten-rhenium thermocouple wires.

Because of the contradiction among national codes,industry standards and local regulation,and the limited detail design,some typical problems were often met in the construction of EPS external thermal insulation,which include whether use the bolt to fix,the problems of the layer for protecting and of the design of separating chink.

The industrial standard mainly depended on for gas measurement is SY/T6143-1996 (Standard Orifice Measurement Method of Gas Flow Rate).

Therefore different symbols are used in different magazines,and even in national industrial standards.

Some opinions and proposals on chlorinated polyethylene industry standard;

Discussion on thermal efficiency of power plant piping and its industry standard;

An overview of the industry standard "Kyanite, andalusite and sillimanite'

Analysis on harmful matter in building waterproofing coating and development of professional standard;

An introduction to revision of professional standard 《Adhesives for high polymer waterproofing membranes》

Some features and significance about the new professional standard 襇easurement and Report of Photometric Performance Data for Luminaires Used in Stage Lightingó were given account for.