positive and negative
positive and negative, Total:27 items.
The international standard classification for "positive and negative" includes: Paper and board , Geology. Meteorology. Hydrology .
The Chinese standard classification for "positive and negative" includes: Paper , Oceanology , Furs and leathers .
Professional Standard - Machinery
- JB/T 12588-2016 Front projection reflective solid screens
- JB/T 13706-2019 Construction machinery and equipment forward and reverse circulation engineering drilling rigs
Group Standards of the People's Republic of China
- T/QGCML 2180-2023 Western Blot detection technical specifications
- T/ZZB 1933-2020 Platform type large diameter direct and reverse circulation drilling rigs
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 452.2-2002 Paper and board identification of wire side and felt side
- GB/T 45141-2025 Test method for modified fouling index of reverse osmosis feed water
Professional Standard - Commodity Inspection
- SN/T 0112-1992 Rule for inspection of upper and side leatherfor import
- SN/T 2497.16-2010 Test method of import and export dangerous chemicals—Part 16:Western Blot
Netherlands Institute for Standardization
- NEN 5471-1989 Quality requirements for timber Species western red cedar
Defense Logistics Agency
- DLA A-A-55314-1997 JERSEY, REVERSIBLE
Korean Agency for Technology and Standards (KATS)
- KS B 1411-1975 Backlash for Spur and Helical Gears
American Water Works Association (AWWA)
- AWWA MTC69744 Changing the Diet and Improving the Health of the Western Canyon Regional Water Treatment Plant
- AWWA MTC69758 Novel Performance Modeling of Forward Osmosis / Reverse Osmosis Integrated System
- AWWA MTC64608 Dewatering Reverse Osmosis Concentrate Using Forward Osmosis
Gosstandart of Russia
- GOST R 58223-2018 Intellectual property. Antitrust regulation and protection against unfair competition
- GOST R 50410-1992 Textile machinery and accessories. Weaving looms. Definitions of left and right sides
COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)
- TCVN 3653-1981 Paper.Method for the Identification of top and wire sides of paper
Clinical and Laboratory Standards Institute
- CLSI M34-A-2000 Western Blot Assay for Antibodies to Borrelia burgdorferi; Approved Guideline
GM Europe
- GME 16667-2011 Automatic transmission vehicle forward and reverse cycle test
American Nuclear Society (ANS)
- ANS 18.1-2016 Radioactive Source Term for Normal Operation of Light Water Reactors
- ANS 18.1-2020 Radioactive Source Term for Normal Operation of Light Water Reactors
- ANS 18.1-1984 Radioactive Source Term for Normal Operation of Light Water Reactors
Engineering Sciences Data Unit (ESDU)
- ESDU 94035 B-2008 The correction of measured noise spectra for the effects of ground reflection
- ESDU 94035 B-2011 The correction of measured noise spectra for the effects of ground reflection
- ESDU 94035 A-1995 The correction of measured noise spectra for the effects of ground reflection
American National Standards Institute （ANSI)
- ANSI/ANS 18.1-2020 Radioactive Source Term for Normal Operation of Light Water Reactors
German Institute for Standardization
- DIN 67520/A1 E:2012-07 Draft Document - Retro-reflecting materials for traffic safety - Photometric minimum requirements for retro-reflective sheetings; Amendment 1
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