Drying oven digestion method for determining the organic carbon of soil humus;
电热干燥箱恒温加热法测定土壤腐殖质的含碳量
Effects of long-term fertilization on soil humus carbon and nitrogen fractions in a wheat-maize cropping system
长期施肥对小麦-玉米作物系统土壤腐殖质组分碳和氮的影响
This paper studied the effects of different crop stubbles put in soil on soil humus by cultural experiment of churnozem.
通过黑钙土的培养试验，研究了不同作物根茬施入土壤后对土壤腐殖质的影响。
alpine carbonate raw soi
高山碳酸盐粗腐殖土
degraded humus carbonate soil
退化腐殖质碳酸盐土
true humus calcareous soil
典型腐殖质碳酸盐土
Experimental Study of Concrete Durability under Concrete Carbonation and Sulfate Corrosion Combined Action;
混凝土碳化与硫酸盐腐蚀共同作用下混凝土耐久性试验研究
ANALYZING REQUIREMENTS & EFFECT OF ACIDOLYSIS HYDROCARBON IN HIGH CARBONATE CONTENT SOIL
高碳酸盐土壤酸解烃分析条件及影响因素研究
Study on the Compactness of Carbonate Red Clay(CRC) of High Liquid Limit In Guiwu Expressway
桂武高速碳酸盐高液限红粘土压实特性研究
Spatial Distribution Characteristics of the Carbonate Carbon Content in Soil in a Small Watershed in the Gully Region of the Loess Plateau;
黄土高原沟壑区小流域土壤碳酸盐碳的空间分布特征
Thaumasite form of sulfate attack of cementitious materials
水泥基材料碳硫硅钙石型硫酸盐腐蚀
A Study on the Characteristics of Selective Complexation between Humic Acids and Aluminum Sulfated;
腐殖酸与铝盐混凝剂的选择配位特性
Ponderation on the Shortage of Mineral Nutrients in the Soil-Vegetation Ecosystem in Carbonate Rock-distributed Mountain Regions in Southwest China
西南碳酸盐岩石质山地土壤-植被系统中矿质养分不足问题的思考
Synthesis of Humic Acid-Acrylic Superabsorbent Resin
腐殖酸钠-丙烯酸高吸水性树脂的制备
Effect of Different Sources Humic Acid on Soil Enzyme Activity
不同来源腐殖酸对土壤酶活性的影响
Influence of Carbonate and Humic Acid Salts on Clarification and Flocculation of Red Mud from Alumina Production by Bayer Process
碳酸盐及腐植酸盐对拜尔法赤泥絮凝与澄清的影响研究
The Application and Prospect of Humic Acids in the Saline-alkali Soil Improvement
腐植酸在盐碱土改良中的应用及前景
Ductility analysis of reinforced concrete beams corroded by sulfate
受硫酸盐腐蚀钢筋混凝土梁延性分析
Influences of Suphate-Reducing Bacteria on the Corrosion Behavior of Carbon Steel;
硫酸盐还原细菌（SRB）对碳钢腐蚀行为影响的研究
Experimental Investigation of Stress Corrosion Characteristics for 16MnR Steel and 15MnVR Steel in Carbonate Solution
16MnR钢和15MnVR钢在碳酸盐环境中的应力腐蚀研究
Study on the Characteristics of Chemical Reaction between Humic Acids and Aluminum Salt in Coagulation Process;
混凝过程中腐殖酸与铝盐的化学反应特性研究