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  • NF P62-506-2020 Resilient, textile, laminate and modular mechanical locked floor coverings - Light reflecta...2023-10-07
  • GB/T 37412-2019 激光器和激光相关设备 光腔衰荡高反射率测量方法 Lasers and laser-related equipment- Cavity rin...2023-07-10
  • GB/T 40969-2021纸和纸板 颜色的测定（D50/2°漫反射法)Paper and board. Determination of colour （D50/2° diffuse r...2022-10-25
  • GB/T 3780.17-2017炭黑 第17部分:粒径的间接测定 反射率法Carbon black—Part 17:Indirect determination of part...2022-06-15
  • GB/T 7975-2005纸和纸板颜色的测定(漫反射法)Paper and board-Determination of color(diffuse reflectance method)...2022-06-10
  • GB/T 24288-2009纸和纸板.主波长和兴奋纯度的测定 D65/10°漫反射法Paper and board—Determination of dominant wa...2022-06-10
  • GB/T 40485-2021煤的镜质体随机反射率自动测定 图像分析法Method of determining automatically the random reflect...2022-03-18
  • Effect of magma intrusion on the occurrence of coal gas in the Wolonghu coalfield2020-06-12
  • Hydrogen Bonds in Coal——The Influence of Coal Rank and the Recognition of a New Hydrogen Bond in Coa2020-07-02
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