Download or read book GB T 38812 2 2020 Translated English of Chinese Standard GBT 38812 2 2020 GB T38812 2 2020 GBT38812 2 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-09-26 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part of GB/T 38812 specifies the potassium dichromate titrimetric method after decomposition of sample by ferric chloride to determine the metallic iron content. This Part applies to the determination of metallic iron content in direct reduced iron; the determination range (mass fraction): more than 50.00%.
Download or read book GB T 38812 1 2020 Translated English of Chinese Standard GBT 38812 1 2020 GB T38812 1 2020 GBT38812 1 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-09-26 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part of GB/T 38812 specifies the potassium dichromate titrimetric method after decomposition of sample by ferric chloride to determine the iron (II) content. This Part applies to the determination of iron (II) content in direct reduced iron; the determination range (mass fraction): 1.00% ~ 40.00%.
Download or read book GB T 24242 2 2020 Translated English of Chinese Standard GBT 24242 2 2020 GB T24242 2 2020 GBT24242 2 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-03-20 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part of GB/T 24242 specifies the designation expression methods, dimensions, shapes, weights and allowable deviations, order content, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of general purpose wire rod in non-alloy steel wire rod for conversion to wire.
Download or read book GB T 22240 2020 Translated English of Chinese Standard GBT 22240 2020 GB T22240 2020 GBT22240 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-06-06 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard gives a method and procedure for rating the security protection level of classified protection target which does not relate to state secret. This standard is applicable to guide the network operators to carry out the rating work of classified protection target which does not relate to state secret.
Download or read book GB T 38612 2020 Translated English of Chinese Standard GBT 38612 2020 GB T38612 2020 GBT38612 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-06-06 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the principle, three test methods, namely the strip method (method A), the grab method (method B), and the dumbbell-shaped sample method (method C), and test report for determination of tensile load and elongation at break of artificial leather and synthetic leather. This Standard applies to the test of tensile load and elongation at break of artificial leather and synthetic leather.
Download or read book GB T 38529 2020 Translated English of Chinese Standard GBT 38529 2020 GB T38529 2020 GBT38529 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-06-12 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the raw materials that shall not be used, restricted substances and requirements, test methods, sample preparation and determination principles in rubber tyres (including inner tubes and cushion tapes). This Standard is applicable to rubber tyres (including inner tubes and cushion tapes).
Download or read book GB T 19492 2020 Translated English of Chinese Standard GBT 19492 2020 GB T19492 2020 GBT19492 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-02-20 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the classification and release of mineral resources and reserves of petroleum, natural gas, shale gas and coalbed methane. This Standard is applicable to the statistics and release of total petroleum initially-inplace, the management and planning of petroleum mineral products, the policy formulation, the undiscovered petroleum initially-in-place and reserve estimation, the evaluation and the formulation of related technical standards.
Download or read book GB T 39364 2020 Translated English of Chinese Standard GBT 39364 2020 GB T39364 2020 GBT39364 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-05-02 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the location where laboratory samples are cut from a single (sheet) of leather, and the method for marking the cut laboratory samples. This Standard applies to the sampling of leather which is processed from various mammalian animal skins. This Standard does not apply to the sampling of leather which is processed from bird, fish and reptile skins.
Download or read book GB T 38670 2020 Translated English of Chinese Standard GBT 38670 2020 GB T38670 2020 GBT38670 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-09-26 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the tag data format of radio frequency identification system used for intelligent manufacturing. This Standard is applicable to the tag design, manufacturing and application of the intelligent manufacturing-oriented radio frequency identification system.
Download or read book GB T 38886 2020 Translated English of Chinese Standard GBT 38886 2020 GB T38886 2020 GBT38886 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-08-13 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the order content, dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of high temperature bearing steel. This standard applies to the manufacture of hot-rolled or forged round steel, cold-drawn round steel and steel wire for high temperature bearings.
Download or read book GB T 38694 2020 Translated English of Chinese Standard GBT 38694 2020 GB T38694 2020 GBT38694 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-08-29 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the terms and definitions, requirements and test methods of alert for vehicle turning right. This Standard is applicable to alert device for vehicle turning right, and trucks installed with the device, and with the maximum design total mass greater than or equal to 12,000 kg. Other vehicles may take this as a reference in the implementation.
Download or read book GB T 15565 2020 Translated English of Chinese Standard GBT 15565 2020 GB T15565 2020 GBT15565 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-11-06 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard defines the terms and definitions on the design and setting of graphical symbols, signs, public information guidance systems, safety information identification systems, guidance system; establishes a conceptual system in the field of graphical symbols.
Download or read book GB T 22062 2020 Translated English of Chinese Standard GBT 22062 2020 GB T22062 2020 GBT22062 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-02-20 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the dimensions of cross graticule used for measurement and comparison in microscopes, inspection of allowable material defects and faults, marking requirements as well as marks. This Standard is applicable to changeable various types of graticule glass plates in microscopes.
Download or read book GB T 39102 2020 Translated English of Chinese Standard GBT 39102 2020 GB T39102 2020 GBT39102 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-03-20 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard provides the general principles in the design and manufacture of customized consumer products, and the guidelines for manufacture quality control in the demand determination, design, management and control of raw and auxiliary materials, manufacturing, pre-delivery inspection, packaging, transportation and delivery process. This Standard is applicable to the quality control of customized consumer products in the design and manufacturing stage.
Download or read book GB T 14635 2020 Translated English of Chinese Standard GBT 14635 2020 GB T14635 2020 GBT14635 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-02-08 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the determination method of total rare earth content in the rare earth metals and their compounds. This Standard is applicable to the determination of the total rare earth content in rare earth metals and their compounds. This Standard contains two methods: Method-1 is oxalate gravimetric method, and Method-2 is EDTA titration method. Method-1 is applicable to the determination of the total rare earth content in single and mixed rare earth metals and their compounds; the determination range is shown in Table 1; it is not applicable to the determination of the total rare earth content in single and mixed rare earth metals and their compounds mainly based on erbium, thulium, ytterbium, and lutetium or the individual content of thorium and lead is greater than 0.1%. Method-2 is applicable to the determination of the total rare earth content in the single rare earth metals and mixed rare earth metals and their compounds mainly based on heavy rare earth holmium, erbium, thulium, ytterbium, and lutetium; the determination range is shown in Table 2; it is not applicable to the determination of the total rare earth content in the single rare earth with relative purity less than 99.5%, as well as in a single rare earth metal and its compounds with other impurity elements greater than 0.5%; it is also not applicable to the determination of the total rare earth content in materials with individual content of thorium, scandium, and zinc greater than 0.1%.
Download or read book GB T 21255 2019 Translated English of Chinese Standard GBT 21255 2019 GB T21255 2019 GBT21255 2019 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-11-06 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part of GB/T 20671 specifies the principle, instruments and apparatuses, test samples, test procedures, test reports and precision of the method for determining the degree of influence on the physical properties of nonmetallic gasket materials after immersion in the test liquid. This Part applies to the determination of the liquid resistance of Type 1, Type 2, Type 3 and Type 7 materials which are described in GB/T 20671.1-2020.
Download or read book GB T 38905 2020 Translated English of Chinese Standard GBT 38905 2020 GB T38905 2020 GBT38905 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-03-20 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the naming composition and naming method for civil unmanned aircraft system. This Standard applies to the type designation of industrial management, development, production, sales, use and maintenance of the civil unmanned aircraft system.
