1)  Total carbon
土壤总碳
2)  spatial distribution of soil total carbon content
土壤总碳分布
3)  reserve of soil total carbon
土壤总碳储量
4)  Soil
土壤
1.
Determination of As,Sb,Bi,Cd and Sn in Soils and Sediments by Inductively Coupled Plasma Atomic Emission Spectrometry after Sublimation Separation as Iodides;
碘化物升华分离-电感耦合等离子体光谱法测定土壤和沉积物中砷、锑、铋、镉、锡
2.
The Research Status of Bio-remediation of Heavy Metals Contaminated Soils;
重金属污染土壤生物修复技术研究现状
3.
Environmental Response and Behavior of Heavy Metal in Soil;
重金属在土壤载体中的行为和环境响应
5)  topsoil
土壤
1.
Effect of digestion on measurement of total mercury in topsoil;
不同消解方法对土壤样品中汞含量测定的影响
2.
To effectively control heavy metal pollution of city roadways induced by motors, the pollution index method was adopted to analyze and evaluate the characteristics of heavy metal pollution of roadway dust and topsoil near by roadside trees, and grasp the status of heavy metal pollution of city roadways.
为了减轻汽车行驶导致的城市道路重金属污染,采用污染指数法分析、评价东京城市道路粉尘、行道树表层土壤的重金属污染特征,掌握道路受重金属污染的状况,探讨行道树树叶对重金属的捕获能力及树种间的差异。
3.
The ratio of the content of an element in topsoils (depth 10-20 cm) to its content in deep soils (depth 150-200 cm) is called artificial environmental concentration coefficient in soils.
南京周边地区开展多目标地球化学调查获取了“双层土壤”各元素的含量,表层土壤的元素含量与其深层土壤元素含量之比值即称之为土壤中该元素的人为活动环境富集系数(简称环境富集系数),笔者介绍了有关环境富集系数的计算方法。
6)  Cadmium
土壤
1.
Analyzing Cadmium's Influence Of Soil Environment;
浅析土壤环境中的镉的影响
2.
Effect of DOMs extracted from five solid organic wastes on cadmium adsorption in soils;
废弃物中水溶性有机质对土壤吸附Cd的影响及其机制
3.
Effects of liming on the transformation and distribution of cadmium formations in soils were studied.
研究了土壤施加石灰后对镉的形态转化和迁移的影响。
参考词条
补充资料：土壤总碱度
分子式：
CAS号：

性质：土壤溶液中不同来源氢氧离子的浓度总和超过其氢离子浓度时所表现出来的碱度。其主要来源有：(1)土壤母质中含有的钙、镁、钠、钾的碳酸盐或重碳酸盐通过水解所生的氢氧离子；(2)中性硫酸盐类在还原物质作用下，还原为硫化物，再与碳酸钙作用转化为碳酸盐，水解后产生氢氧离子；(3)土壤胶体上吸附的盐基离子，水解后产生氢氧离子。可作为改良碱化土壤的一项参数。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。