GB/T 7973-2003
ActivePaper，board and pulps--Measurement of diffuse reflectance factor(Diff/Geometry)
纸、纸板和纸浆 漫反射因数的测定(漫射／垂直法)
📚 References & Relations / 引用与关联
normative_reference
DP 9416
normative_reference
GB/T 10339
normative_reference
GB/T 10339-1989
normative_reference
GB/T 1543
normative_reference
GB/T 1543-1988
normative_reference
GB/T 2679.
normative_reference
GB/T 450
normative_reference
GB/T 450-2002
normative_reference
GB/T 740
normative_reference
GB/T 740-2003
normative_reference
GB/T 7974
normative_reference
GB/T 7974-2002
normative_reference
GB/T 7975
normative_reference
ISO 186
normative_reference
ISO 2470
normative_reference
ISO 2471
normative_reference
ISO 7213
📖 Terms & Definitions / 术语和定义 ai_extracted
- 反射因数r
- eflectance factor 由一物体反射的辐通量与相同条件下完全反射漫射体反射的辐通量之比，以百分数表示。
- 漫反射因数diffuse
- r efl ectance factor,R 由一物体反射的辐通量与相同条件下完全反射漫射体反射的辐通量之比，以百分数表示。相同条 件即是本标准所描述的仪器漫射照明，并按本标准规定的条款进行校准。
- 内反射因数
- intrinsic r eflectance factor,R 试样层数达到不透明时的反射因数。 3.
🔗 Related Standards / 同类标准
GB/Z 166-2026
Paper and board—Measurement of water contact angle by optical methods
GB/T 4687-1984
Paper，board，pulp terms (Ⅰ)
GB/T 4873-1985
Continuous forms used for information processing--Sizes and feed holes
GB/T 12910-1991
Paper and board--Determination of titanium dioxide
GB/T 12911-1991
Paper and board--Determination of the ink absor-bency
GB/T 2679.10-1993
paper and board--Compressive strength--Short span test
GB/T 2679.8-1995
Paper and board--Determination of compressive strength--Ring crush method
GB/T 2679.14-1996
Filter paper and filterboard--Determinationof maximum pore diameter
Content extracted by AI. Not officially verified.