GB/T 36769-2018
Determination of percent regeneration of cation exchange resins
QB/T 5775-2022
T/QGCML 313-2022
T/CEC 783-2023
AWWA WQTC65871
Regeneration of Perchlorate and Nitrate Loaded Ion-Exchange Resins Using Biological Reduction
AWWA WKICO66047
Perchlorate Removal from Waters by Weak Base Anionic Ion Exchange Resins and Regenerant Solution Treatment
AWWA ACE68711
Bioregeneration of Perchlorate-selective Ion-Exchange Resins Containing Perchlorate and Nitrate
GB/T 902.2-2010
Threaded studs for drawn arc stud welding with ceramic ferrule
GB/T 10433-2024
Fasteners—Studs and ceramic ferrules for arc stud welding
GB/T 13807.2-2008
Connections with waisted stud - Studs
GB/T 902.4-2010
Threaded studs with flange (pitch)and stud with internal thread for short-cycle drawn arc stud welding
GB 15563-2005
Seismic charge
QC/T 857-2023
JB/T 3685-2015
Prop winch
JB/T 9648-2015
Explosion-proof control switch stations
JB/T 8323-2015
Stud welding machine
JB/T 7270.7-2014
Tapered-pattern handle
JB/T 4116-1996
HG/T 21639-2005
Top davit for towers
QJ 20042.2-2011
Stud with locked in-key locked-Part 2:Heavy duty studs