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Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2014-10-28
Total Pages: 9
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the silicon metal.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2015-08-02
Total Pages: 13
ISBN-13:
DOWNLOAD EBOOK →This Part of GB/T 19363.1 specifies the translation services - translation services specifications. This Part is applicable to translation services.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2019-11-02
Total Pages: 6
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the general method for the direct determination of ignition residues for organic chemical products. This Standard applies to the determination of ignition residue content for organic chemical products.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2015-05-06
Total Pages: 23
ISBN-13:
DOWNLOAD EBOOK →This standard specifies the scope, terms and definitions, ordering information, dimensions, shape, weight and tolerances, technical requirements, test methods, inspection rules, packing, marking and quality certificate of free-cutting structural steels. This standard is applicable to steels such as bar steels, wire rods, steel wires, steel plates, and steel strips that are used for mechanical machining. Their chemical.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2015-05-30
Total Pages: 9
ISBN-13:
DOWNLOAD EBOOK →This standard specifies general specifications for acceptance, packaging, marking and certification for section steel (steel bar and rod). This Standard is applicable to hot rolling, cold drawing (rolling), forging and heat treating section steel.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2019-03-05
Total Pages: 9
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the method principle, apparatus, sampling and sample preparation, test procedures, results calculation and precision etc. of the coke with particle size greater than 60mm and 25mm. This Standard is applicable to the determination of mechanical strength of coke with particle size no less than 25mm. The coke with particle size less than 25mm can also refer to this Standard.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2014-10-07
Total Pages: 23
ISBN-13:
DOWNLOAD EBOOK →This standard specifies terms definitions, classification, technical requirements, testing methods, inspection rules, marking, packing, transport, and storage of air cleaner. This standard is applicable to air cleaner with single-phase rated voltage 220V or three-phase rated voltage 380V for household and similar usage. And it is also applicable to air cleaner used by non-professional in public places. This standard is not applicable to: Air cleaner special for automobile purpose; Air cleaner special for industrial purpose; Air cleaner used in the specific environment places at where corrosive and explosion gases (like dust, vapor and gasses) are often generated; Air cleaner for medical purpose.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2023-03-07
Total Pages: 12
ISBN-13:
DOWNLOAD EBOOK →This Standard stipulates the basic requirements for the type and size, profile size and deviation, technical requirements, marking and packaging of thread rolling flat dies for general purpose metric screw threads. This Standard applies to thread rolling flat dies for processing general purpose metric screw threads (GB/T 192~193, GB/T 196~197). Thread rolling flat dies are divided into three precision grades: grade 1, grade 2 and grade 3. Grade 1 applies to the processing of external threads with tolerance grades 4 and 5; grade 2 applies to the processing of external threads with tolerance grades 5 and 6; grade 3 applies to the processing of external threads with tolerance grades 6 and 7.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2020-03-08
Total Pages: 9
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the requirements, test methods, inspection rules, packaging, marking, transportation, storage and safety requirements of butadiene for industrial use. This Standard applies to the butadiene that is produced by extractive distillation, of which dimethylformamide, acetonitrile, or N-methylpyrrolidone is used as the solvent.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
Published: 2014-11-20
Total Pages: 7
ISBN-13:
DOWNLOAD EBOOK →This Standard specifies the technical requirements, test methods, as well as packaging, marking, storage, safety warning of pure nitrogen, high purity nitrogen and ultra pure nitrogen products. This Standard applies to gaseous or liquid pure nitrogen, high purity nitrogen and ultra-pure nitrogen obtained from air separation or purification. They are mainly used as the protective gas, replacement gas, reaction gas, etc. Molecular formula: N2. Relative molecular mass: 28.1034 (according to relative atomic mass in 2005).
