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国际标准

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A90/A90M-21 Standard Test Method for Weight[Mass]of Coating on lron and Steel Articles withZinc or Zinc-Alloy Coatings

Designation: A90/A90M-21 Standard Test Method for Weight [Mass] of Coating on lron and Steel Articles withZinc or Zinc-Alloy Coatings11.Scope1.1This test method covers procedures for dctermining thcweight [mass] of coating on iron or steel sheet, wir...

2022-10-21 81 1.04MB 5页
A956-06 Standard Test Method for Leeb Hardness Testing of Steel Products

Designation: A 956-06 Standard Test Method for Leeb Hardness Testing of Steel Products11. Scope*1.1This test mcthod covers the determination of the Lecbhardness of steel, cast steel. and cast iron (Part A). includingthe methods for the verification o...

2022-10-21 80 2.33MB 12页
B209/B209M-21 Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate

Designation: B209/B209M - 21 Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate11. Scopel.l This specification2 covers aluminum and aluminum-alloy flat sheet,coiled sheet,and plate in the alloys (Note 1)and tempers shown in Tables...

2022-10-21 396 7.63MB 41页
B49–20 Standard Specification for Copper Rod for Electrical Purposes

Designation: B49 - 20 Standard Specification for Copper Rod for Electrical Purposes11. Scope@1.1 This specification covers the requirements for rod indiametcrs from Va in. to 1Ve in.(6.4 mm to 35 mm) producedfrom high conductivity coppers listed in T...

2022-10-21 83 2.06MB 8页
B545-13 Standard Specification for Electrodeposited Coatings of Tin

Designation: B545-13 Standard Specification for Electrodeposited Coatings of Tin11. Scope1.l This specification covers the requirements for electrode-posited (electroplated) coatings of tin applied to metallicarticles. Tin coatings are used to provid...

2022-10-21 91 2.37MB 11页
C109/C109M – 20a Standard Test Method for Compressive Strength of Hydraulic Cement Mortars(Using2-in.”or[5o-mm]Cube Specimens)

Designation: C109/C109M - 20a Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using2-in."or [5o-mm] Cube Specimens)11. Scope@1.1 This test method covers determination of the compres-sive strength of hydraulic cement mortars...

2022-10-21 241 2.55MB 11页
C114-18 Standard Test Methods for Chemical Analysis of Hydraulic Cement

Designation: C114-18 Standard Test Methods for Chemical Analysis of Hydraulic Cement'1. Scope1.l These test methods cover the chemical analyses ofhydraulic cements.Any test methods of demonstrated accept-able precision and bias may be used for an...

2022-10-21 80 10.57MB 33页
Standard Test Method for Relative Density(Specific Gravity)and Absorption of FineAggregate

Designation: C128-15 Standard Test Method for Relative Density (Specific Gravity) and Absorption of FineAggregate11.Scope1.1 This test method covers the determination of relativedensity (specific gravity) and the absorption of fine aggrcgates.The rel...

2022-10-21 108 5.68MB 6页
Standard Specification for Flow Table for Use in Tests of Hydraulic Cement

Designation: C230/C230M - 20 Standard Specification for Flow Table for Use in Tests of Hydraulic Cement11. Scope*1.1 This specification covers requirements for the flow tableand accessory apparatus (Note 1) used in making flow tests forconsistency of...

2022-10-21 118 1.27MB 7页
Standard Test Methods for Chemical Analysis of Limestone,Quicklime,and HydratedLime

Designation: C25-17 Standard Test Methods for Chemical Analysis of Limestone, Quicklime, and HydratedLime11. Scope1.1 These test methods cover the chemical analysis ofhigh-calcium and dolomitic limestone，quicklime，and hy-drated lime.These test method...

2022-10-21 87 11.59MB 39页
C29/C29M-16 SUMMARY OF CHANGES

c9/c29M - 16 SUMMARY OF CHANGESachieved in this test method is unknown. Further, aggregates inhauling units and stockpiles usually contain absorbed andsurface moisture (the latter affecting bulking). while this testmethod determines the bulk density ...

2022-10-21 89 943.32KB 5页
Standard Guide for Petrographic Examination of Aggregates for Concrete

Standard Guide for Petrographic Examination of Aggregates for Concrete11. Scope*1.1 This guide outlines procedures for the petrographicexamination of samples representative of materials proposedfor use as aggregates in cementitious mixtures or as raw...

2022-10-21 130 3.83MB 16页
Standard Practice for Making and Curing Concrete Test Specimens in the Field

Standard Practice for Making and Curing Concrete Test Specimens in the Field11.Scope*1.1 This practice covers procedures for making and curingcylinder and beam specimens from representative samples offresh concrete for a construction project.1.2 The ...

2022-10-21 236 1.95MB 7页
Standard Test Method for Flexural Strength of Concrete(Using Simple Beam withThird-Point Loading)

Standard Test Method for Flexural Strength of Concrete (Using Simple Beam withThird-Point Loading).1.Scope*1.1 This test method covers the determination of the flexuralstrength of concrete by the use of a simple beam withthird-point loading.1.2 The v...

2022-10-21 105 1.07MB 5页
ISO 14067:2018 碳足迹国际标准解析-中文繁体

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2022-09-23 2042 740.43KB 6页
ISO 14067-2018 国际碳足迹标准（英文）

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2022-09-23 830 1.01MB 58页
ISO 14067-2013国际碳足迹标准（英文）

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2022-09-23 142 23.94MB 60页
ISO 14064-3-2019 温室气体第三部分温室气体声明审定与核查的规范及指南（英文版）

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2022-09-23 243 29.39MB 69页
ISO 14064-2-2019温室气体第二部分项目层级温室气体减排或清除增加的量化、监测和报告指南（英文）

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2022-09-23 511 17.52MB 37页
ISO 14064-1-2018温室气体第一部分组织层上对温室气体排放和清除的量化和报告的规范及指南（英文）

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2022-09-23 677 28.16MB 57页

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