JB/T 2934-2006 机械用炭材料及制品
本标准规定了机械用炭材料及制品的型号、分类、技术要求、试验方法、检验规则。 本标准适用于机械、化工、轻工业部门使用的炭石墨密封环、轴承及旋片
Carbon material and carbon products for mechanical engineering
SNI 01-6965-2003 泥炭材料. pH值的测定
Test methods for pH of peat material
DB22/T 2422-2015 泥炭材料的抽样操作规程
ASTM D2976-71(2004 泥炭材料PH值的试验方法
pH measurements are made in water and in calcium chloride solution because the pH readings in water can be modified by salts
Standard Test Method for pH of Peat Materials
ASTM D2976-71(1998 泥炭材料PH值的试验方法
1.1 This test method covers the electrometric measurement of the pH of peat materials. It is a means of expressing the degree of acidity
Standard Test Method for pH of Peat Materials
SNI 06-6579-2001 经加工泥炭材料的抽样方法
Sampling methods for processed peat materials
ASTM D2976-15 泥炭材料pH值的标准试验方法
5.1x00a0;pH measurements are made in water and in calcium
Standard Test Method for pH of Peat Materials
ASTM D2976-22 泥炭材料pH值的标准试验方法
Standard Test Method for pH of Peat Materials
ASTM D2976-22 泥炭材料pH值的标准试验方法
Standard Test Method for pH of Peat Materials
GB/T 1426-2008 炭素材料分类
本标准规定了碳素材料的分类方法、分类等内容。 本标准适用于冶金、电工机械、化工和其他工业作为导电材料、结构材料和特殊功能材料等用途使用的碳素材料的分类
The classifications of carbon materials
ASTM D2973-16 泥炭材料中总氮的标准试验方法
5.1x00a0;Nitrogen content is important as it is one
Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-71(2004 泥炭材料中总氮的标准试验方法
Nitrogen content is important as it is one of the primary plant food elements necessary for plant growth. Nitrogen is present in peat
Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-10e1 泥炭材料中总氮的标准试验方法
Nitrogen content is important as it is one of the primary plant food elements necessary for plant growth. Nitrogen is present in peat as organic
Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-22 泥炭材料中总氮的标准试验方法
Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-71(1998 泥炭材料中总氮的标准试验方法
1.1 This is a chemical test method for the determination of the weight percent of nitrogen in peat material.
1.2 This standard
Standard Test Method for Total Nitrogen in Peat Materials
JB/T 2934-2006 机械用炭材料及制品
本标准规定了机械用炭材料及制品的型号、分类、技术要求、试验方法、检验规则。 本标准适用于机械、化工、轻工业部门使用的炭石墨密封环、轴承及旋片
Carbon material and carbon products for mechanical engineering
SNI 01-6965-2003 泥炭材料. pH值的测定
Test methods for pH of peat material
DB22/T 2422-2015 泥炭材料的抽样操作规程
ASTM D2976-71(2004 泥炭材料PH值的试验方法
pH measurements are made in water and in calcium chloride solution because the pH readings in water can be modified by salts
Standard Test Method for pH of Peat Materials
ASTM D2976-71(1998 泥炭材料PH值的试验方法
1.1 This test method covers the electrometric measurement of the pH of peat materials. It is a means of expressing the degree of acidity
Standard Test Method for pH of Peat Materials
SNI 06-6579-2001 经加工泥炭材料的抽样方法
Sampling methods for processed peat materials
ASTM D2976-15 泥炭材料pH值的标准试验方法
5.1x00a0;pH measurements are made in water and in calcium
Standard Test Method for pH of Peat Materials
ASTM D2976-22 泥炭材料pH值的标准试验方法
Standard Test Method for pH of Peat Materials
ASTM D2976-22 泥炭材料pH值的标准试验方法
Standard Test Method for pH of Peat Materials
GB/T 1426-2008 炭素材料分类
本标准规定了碳素材料的分类方法、分类等内容。 本标准适用于冶金、电工机械、化工和其他工业作为导电材料、结构材料和特殊功能材料等用途使用的碳素材料的分类
The classifications of carbon materials
ASTM D2973-16 泥炭材料中总氮的标准试验方法
5.1x00a0;Nitrogen content is important as it is one
Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-71(2004 泥炭材料中总氮的标准试验方法
Nitrogen content is important as it is one of the primary plant food elements necessary for plant growth. Nitrogen is present in peat
Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-10e1 泥炭材料中总氮的标准试验方法
Nitrogen content is important as it is one of the primary plant food elements necessary for plant growth. Nitrogen is present in peat as organic
Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-22 泥炭材料中总氮的标准试验方法
Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-71(1998 泥炭材料中总氮的标准试验方法
1.1 This is a chemical test method for the determination of the weight percent of nitrogen in peat material.
1.2 This standard
Standard Test Method for Total Nitrogen in Peat Materials
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