Methods of soil investigations for agricultural engineering - Chemical laboratory tests - Part 6: Determination of iron soluble in oxalate solution
农业工程土壤调查方法化学实验室试验第6部分:草酸盐溶液中可溶铁的测定

1997-12-01

Methods of soil investigations for agricultural water engineering - Chemical laboratory tests - Part 3: Determination of the loss on ignition and the residue of soil after ignition
农业水利工程土壤调查方法化学实验室试验第3部分:着火损失和着火后土壤残渣的测定

2000-08-01

Water engineering of agricultural lands - Terms - Part 3: Soil science, soil taxonomy, soil investigation
农田水利工程.术语.第3部分:土壤科学 土壤分类学 土壤调查

2002-03-01

Apparatus for drawing soil samples in agricultural engineering; apparatus for the investigation and drawing of peat samples
农业工程中抽取土壤样本的设备；泥炭样品调查和提取设备

1968-04-01

Methods of test for soils for civil engineering purposes-Chemical and electro-chemical testing
土木工程用土壤的试验方法

2021-09-30

Methods of testing soils for engineering purposes, Method 4.3.1: Soil chemical tests - Determination of the pH value of a soil - Electrometric method
工程用土壤试验方法 方法4.3.1:土壤化学试验土壤pH值的测定电测法

2021-05-07

Methods of testing soils for engineering purposes, Method 4.1.1: Soil chemical tests - Determination of the organic matter content of a soil - Normal method
工程用土壤试验方法 方法4.1.1:土壤化学试验-土壤有机质含量的测定-常规方法

2019-12-20

Methods of testing soils for engineering purposes, Method 4.1.1: Soil chemical tests - Determination of the organic matter content of a soil - Normal method
工程用土壤试验方法 方法4.1.1:土壤化学试验-土壤有机质含量的测定-常规方法

1997-03-05

Methods of testing soils for civil engineering purposes - Soil chemical tests - Test 3.4 Detection of presence of allophane in soils
土木工程用土壤试验方法.土壤化学试验.试验3.4土壤中阿洛芬存在的检测

1986-01-01

Methods of testing soils for engineering purposes, Method 4.2.1: Soil chemical tests - Determination of the sulfate content of a natural soil and the sulfate content of the groundwater - Normal method
工程用土壤试验方法 方法4.2.1:土壤化学试验-天然土壤硫酸盐含量和地下水硫酸盐含量的测定-常规方法

2020-03-27

Methods of testing soils for engineering purposes, Method 4.2.1: Soil chemical tests - Determination of the sulfate content of a natural soil and the sulfate content of the groundwater - Normal method
工程用土壤试验方法.土壤化学试验.天然土壤硫酸盐含量和地下水硫酸盐含量的测定.常规法

1997-01-01

Methods of testing soils for civil engineering purposes - Soil chemical tests - Test 3.2 Determination of the total sulphate content
土木工程用土壤试验方法.土壤化学试验.试验3.2硫酸盐总含量的测定

1986-01-01