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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 6881.2-2017 |
Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for small movable sources in reverberant fields—Comparison method for a hard-walled test room 声学 声压法测定噪声源声功率级和声能量级 混响场内小型可移动声源工程法 硬壁测试室比较法 |
China National Standards test methods engineering |
 English PDF |
| GB/T 34625-2017 |
Metallic and other inorganic coatings—Electrodeposited gold and gold alloy coatings for electrical, electronic and engineering purposes—Specification and test methods 金属及其他无机覆盖层 电气、电子和工程用金和金合金电镀层 技术规范和试验方法 |
China National Standards test methods engineering |
English PDF |
| GB/T 50266-2013 |
Standard for test methods of engineering rock mass 工程岩体试验方法标准 |
China National Standards test methods engineering |
English PDF |
| GB/T 24105-2009 |
Basic conditions and methods of environmental test for geotechnical engineering instrument 岩土工程仪器基本环境试验条件及方法 |
China National Standards test methods engineering |
English PDF |
| GB/T 6881.3-2002 |
Acoustics--Determination of sound power levels of noise sources-using sound pressure--Engineering methods for small，movable sources in reverberant fields--Part 2:Methods for special reverberation test rooms 声学 声压法测定噪声源声功率级 混响场中小型可移动声源工程法 第2部分:专用混响测试室法 |
China National Standards test methods engineering |
English PDF |
| GB/T 6881.2-2002 |
Acoustics--Determination of sound power levels of noise sources--Engineering methods for small，movable sources in reverberant field--Part 1:Comparison method for hard-walled test rooms 声学 声压法测定噪声源声功率级 混响场中小型可移动声源工程法 第1部分:硬壁测试室比较法 |
China National Standards test methods engineering |
English PDF |
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