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Recently, the National Standard GB/T40007-2021 in the field of nanomaterials developed by the Shanxi Institute of Coal Chemistry of the Chinese Academy of Sciences, "Nanotechnology and Nanomaterials Resistivity Measurement Method General Principles" was officially released in Taiyuan, Shanxi
.
This standard is the industry's first general standard for resistivity testing, including three test methods: static four-probe, dynamic four-probe, and dynamic four-wire two-electrode
.
The general rules and standards will provide technical support for a series of subsequent resistivity testing rules and standards, and will help China improve the nanomaterials testing standard system
Shanxi Province, as a national standardization comprehensive reform pilot province, has included the standardization reform on the major reform tasks list of Shanxi's transformation and comprehensive reform for four consecutive years
.
All levels and departments of Shanxi Province have established standardization work leading groups to form a three-level linkage and coordination standardization work pattern of provinces, cities and counties, and have successively issued a series of policies and measures to promote the comprehensive implementation of standardization strategies in Shanxi Province and make standards a “hard constraint on quality” "Led by high-level standards, support high-quality transformation and development, and continue to promote the quality and efficiency upgrade of Shanxi's economy to the mid-to-high-end level