共找到 420 条与 土质、土壤学 相关的标准,共 28 页
Classification of Soil Water Holding Capacity in Alpine Meadow
Technical regulations for the construction of grass-shrub-tree model for ecological restoration in open-pit coal mines
Technical regulations for crop reclamation of ecological restoration in open-pit coal mines
Technical specification for shrub construction for ecological restoration in open-pit coal mines
Technical specification for shrub-grass construction of ecological restoration in open-pit coal mines
Standard test method for insite density of soil by the rubber-balloon method
Standard test method for insite density of soil by the rubber-balloon method
Regional planning regulations for protective development of arable sandy land
Technical specification for protective development engineering design of arable sandy land
本标准规定了土壤中稀土元素的电感耦合等离子体质谱测定方法。 本标准适用于土壤中钪(Sc)、钇(Y)、镧(La)、铈(Ce)、镨(Pr)、钕(Nd)、钐(Sm)、 铕(Eu)、钆(Gd)、铽(Tb)、镝(Dy)、钬(Ho)、铒(Er)、铥(Tm)、镱(Yb)、镥(Lu)的 测定。
Determination of Rare Earth Elements in Soil by Inductively Coupled Plasma Mass Spectrometry
Testing method for unconsolidated, undrained strength of cohesive soils in triaxial compression
Testing method for direct shear test of soils under consolidated drained conditions
本标准规定了测定土壤中水溶性氟化物和总氟化物的离子选择电极法。 本标准适用于土壤中水溶性氟化物和总氟化物的测定。 当称样量为 5.0g,试样移取量为 40.0ml时,本标准测定水溶性氟化物的方法检出限为 0.7 mg/kg,测定下限为 2.8 mg/kg,测定上限为 125mg/kg;当称样量为 0.2 g,试样移取量为 20.0ml时,测定总氟化物的方法检出限为 63mg/kg,测定下限为 252mg/kg,测定上限为 1.25×104 mg/kg。
Soil-Determination of water soluble fluoride and total fluoride - Ion selective electrode method
Inspection standards for classification of suitable non-grain land in coastal saline-alkali areas
Inspection standards for the classification of industrial and mining land reclamation areas into non-grain land
Technical specifications for marginal land survey and evaluation of non-food energy crops
本标准适用于重庆市范围内开展的高标准农田建设活动。
High standard farmland construction specification
本标准规定了测定土壤和沉积物中有机氯农药的气相色谱-质谱法。 本标准适用于土壤和沉积物中23种有机氯农药的测定,目标物包括:α-六六六、六氯苯、β-六六六、γ-六六六、δ-六六六、七氯、艾氏剂、环氧化七氯、α-氯丹、α-硫丹、γ-氯丹、狄氏剂、p,p'-DDE、异狄氏剂、β-硫丹、p,p'-DDD、硫丹硫酸酯、异狄氏剂醛、o,p'-DDT、异狄氏剂酮、p,p'-DDT、甲氧滴滴涕、灭蚁灵。通过验证,其他有机氯农药也可适用本标准。 当取样量为20.0g,浓缩后定容体积为1 .0 ml时,采用全扫描方式测定,方法检出限为 0.02 mg/kg~0.09 mg/kg,测定下限为0.08 mg/kg~0.36 mg/kg。详见附录A。
Soil and sediment – Determination of organochlorine pesticides– Gas chromatography/Mass spectrometry
本标准规定了土地整治工程建设的总则、工程类型区和工程模式、土地平整工程、土地修复工程、灌溉与排水工程、田间道路工程、生态环境整治工程、村庄整治工程、其他工程和项目区外相关工程。 本标准适用于上海市范围内开展的土地整治项目。
Construction Specifications for Land Consolidation Projects
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