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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 40830-2021 |
Code of practice for the determination of feed true ileal digestible amino acids for pigs (Simple T-cannulation) 猪饲料真可消化氨基酸测定技术规程(简单T型瘘管法) |
China National Standards true |
 English PDF |
| GB/T 9966.3-2020 |
Test methods for natural stone--Part 3: Determination of water absorption, bulk density, true density and true porosity 天然石材试验方法 第3部分：吸水率、体积密度、真密度、真气孔率试验 |
China National Standards true |
English PDF |
| GB/T 2998-2015 |
Test method for bulk density and true porosity of shaped insulating refractory products 定形隔热耐火制品体积密度和真气孔率试验方法 |
China National Standards true |
English PDF |
| GB/T 2997-2015 |
Test method for bulk density, apparent porosity and true porosity of dense shaped refractory products 致密定形耐火制品体积密度、显气孔率和真气孔率试验方法 |
China National Standards true |
English PDF |
| GB/T 5071-2013 |
Refractory materials - Determination of true density 耐火材料 真密度试验方法 |
China National Standards true |
English PDF |
| GB/T 6379.3-2012 |
Accuracy(trueness and precision) of measurement methods and results - Part 3：Intermediate measures of the precision of a standard measurement method 测量方法与结果的准确度(正确度与精密度) 第3部分：标准测量方法精密度的中间度量 |
China National Standards true |
English PDF |
| GB/Z 22553-2010 |
Guidance for the use of repeatability, reproducibility and trueness estimates in measurement uncertainty estimation 利用重复性、再现性和正确度的估计值评估测量不确定度的指南 |
China National Standards true |
English PDF |
| GB/T 24586-2009 |
Iron ores - Determination of apparent density，true density and porosity 铁矿石 表观密度、真密度和孔隙率的测定 |
China National Standards true |
English PDF |
| GB/T 24203-2009 |
Carbon materials - Determination of the true density or true poroous-boiling method 炭素材料真密度、真气孔率测定方法 煮沸法 |
China National Standards true |
English PDF |
| GB/T 23561.2-2009 |
Methods for determining the physical and mechanical properties of coal and rock - Part 2: Methods for determining the true density of coal and rock 煤和岩石物理力学性质测定方法 第2部分：煤和岩石真密度测定方法 |
China National Standards true |
English PDF |
| GB/T 6379.6-2009 |
Accuracy(trueness and precision) of measurement methods and results - Part 6: Use in practice of accuracy values 测量方法与结果的准确度（正确度与精密度） 第6部分：准确度值的实际应用 |
China National Standards true |
English PDF |
| GB/T 6155-2008 |
Carbon materials-determination of the true density or porosity 炭素材料真密度和真气孔率测定方法 |
China National Standards true |
English PDF |
| GB/T 4511.1-2008 |
Coke - Determination of true relative density apparent relative density and porosity 焦炭真相对密度、假相对密度和气孔率的测定方法 |
China National Standards true |
English PDF |
| GB/T 16656.21-2008 |
Industrial automation systems and integration - Product data representation and exchange - Part 21: Implementation methods: Clear text encoding of the exchange structrue 工业自动化系统与集成-产品数据的表达与交换 第21部分: 实现方法: 交换文件结构的纯正文编码 |
China National Standards true |
English PDF |
| GB/T 217-2008 |
Determination of true relative density of coal 煤的真相对密度测定方法 |
China National Standards true |
English PDF |
| GB/T 6379.5-2006 |
Accuracy(trueness and precision) of measurement methods and results -Part 5: Alternative methods for the determination of the precision of a standard measurement method 测量方法与结果的准确度（正确度与精密度） 第5部分：确定标准测量方法精密度的可替代方法 |
China National Standards true |
English PDF |
| GB/T 6379.4-2006 |
Accuracy (trueness and precision) of measurement methods and results -Part 4: Basic methods for the determination of the trueness of a standard measurement method 测量方法与结果的准确度（正确度与精密度） 第4部分：确定标准测量方法正确度的基本方法 |
China National Standards true |
English PDF |
| GB/T 6379.2-2004 |
Accuracy(trueness and precision)of measurement methods and results--Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method 测量方法与结果的准确度(正确度与精密度) 第2部分:确定标准测量方法重复性与再现性的基本方法 |
China National Standards true |
English PDF |
| GB/T 6379.1-2004 |
Accuracy(trueness and precision)of measurement methods and results--Part 1:General principles and definitions 测量方法与结果的准确度(正确度与精密度) 第1部分:总则与定义 |
China National Standards true |
English PDF |
| GB/T 9966.3-2001 |
Test methods for natural facing stones--Part 3:Test methods for bulk density，true density，true porosity and water absorption 天然饰面石材试验方法 第3部分:体积密度、真密度、真气孔率、吸水率试验方法 |
China National Standards true |
English PDF |
| GB/T 2998-2001 |
Shaped insulating refractory products--Determination of bulk density and true porosity 定形隔热耐火制品 体积密度和真气孔率试验方法 |
China National Standards true |
English PDF |
| GB/T 2997-2000 |
Test method for bulk density，apparent porosity and true porosity of dense shaped refractory products 致密定形耐火制品 体积密度、显气孔率和真气孔率 试验方法 |
China National Standards true |
English PDF |
| GB/T 15489.3-1995 |
Colour filter glass test methods--Temperatrue coefficient of sharp cut wavelength 滤光玻璃测试方法 截止波长温度系数 |
China National Standards true |
English PDF |
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