YB/T 057-1994 Low-temperature steel slag portland cement

JC/T 1082-2008 Low heat portland steel slag cement

GB 207 YBJ 222 GB/T 176-1996 Method for chemical analysis of cement GB/T 176-2008 Methods for chemical analysis of cement GB/T 176-2017 Methods for chemical analysis of cement GB/T 177-1985 Test method for strength of hydraulic cement mortar GB/T 203-1994 Granulated blastfurnace slag used for cement production GB/T 203-2008 Granulated blastfurnace slag used for cement production GB/T 750-1992 Autoclave method for soundness of portland cement GB/T 1345-1991 Test method for fineness of cement—The 80μm sieve GB/T 1345-2005 The test sieving method for fineness of cement GB/T 1346-2001 Test methods for water requirement of normal consistency,setting time and soundness of the portland cements GB/T 1346-2011 Test methods for water requirement of normal consistency,setting time and soundness of the portland cement GB/T 1596-1991 Fly ash used for cement and concrete GB/T 1596-2005 Fly ash used for cement and concrete GB/T 1596-2017 Fly ash used for cement and concrete GB/T 2022-1980 Test method for heat of hydration of cement—Adiabatic method GB/T 5483-1996 Gypsum and anhydrite GB/T 5483-2008 Natural gypsum GB/T 8074-1987 Testing method for specific surface of cement—Blaine method GB/T 8074-2008 Testing method for specific surface of cement—Blaine method GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB 9774-2002 Sacks for packing cement GB/T 9774-2010 Sacks for packing cement GB/T 9774-2020 Sacks for packing cement GB 12573-1990 Sampling method of cement GB/T 12573-2008 Sampling method for cement YB/T 022-1992 slag used in cement manufacturing YB/T 022-2008 YB/T 022-2008 Steel slag for use in cement GB/T 750-2024 Test method for autoclave expansion of cement GB/T 5483-2024 Natural gypsum GB/T 1346-2024 Test methods for water requirement of standard consistency,setting time and soundness of the portland cement GB/T 176-2025 Methods for chemical analysis of cement GB/Z 177.1-2026 Intelli gencegrading of artificial intelligence terminal—Part 1:Reference framework GB/Z 177.2-2026 Intelligence grading of artificial intelligence terminal—Part2:General requirements GB/Z 177.3-2026 Intelligence grading of artificial intelligence terminal—Part3:Mobile terminal GB/Z 177.4-2026 Intelligence grading of artificial intelligence terminal—Part 4:Microcomputer GB/Z 177.7-2026 Intelligence grading of artificial intelligence terminal—Part 7:Cockpit GB/Z 177.8-2026 Intelligence grading of artificial intelligence terminal—Part 8:Speaker GB/Z 177.9-2026 Intelligence grading of artificial intelligence terminal—Part 9:Earphone