首页--农业科学论文--农业基础科学论文--土壤学论文--土壤物理学论文

中国几种地带性土壤颗粒中黏粒矿物从宏观到纳米尺度的转化

摘要第11-13页
Abstract第13-14页
ABBREVIATIONS第15-16页
1. Introduction第16-30页
    1.1. Clay minerals第16-21页
    1.2. The distribution of iron oxides in zonal soils第21-22页
    1.3. Zonal evolution of soils and clay minerals in China第22-23页
    1.4. Mineralogical characterization of zonal soil particles第23页
    1.5. The concept of zonal soil第23-29页
        1.5.1. The mineralogy of the size fractions of zonal soil colloids第24页
        1.5.2. The layer structures of clay minerals in the soil particle size fractions第24-26页
        1.5.3. The crystalline structure of clay minerals in the soil nanoparticles第26-27页
        1.5.4. Techniques for characterization of nanoparticle colloids第27-29页
    1.6. Purpose and novelty of the study第29-30页
        1.6.1.Purpose第29-30页
        1.6.2.Novelty of this study第30页
2. Material and methods第30-36页
    2.1. Description of study area and soil sampling第30-33页
    2.2. Separation of soil particle fractions第33页
    2.3. Soil analyses第33-36页
3. Results第36-99页
    3.1. Soil chemical and physical properties第36-39页
    3.2. Elements, dithionite and oxalate extractable Fe and Al in the soils第39-45页
        3.2.1 Elements in the particle fractions of soils第39-42页
        3.2.2.Dithionite and oxalate extractable Fe and Al in the Particle fractions of Alfisols (Alf1 and Alf2), Ultisol (Ult) and Oxisol (Oxl)第42-45页
    3.3. X-ray diffraction of the particle size fractions第45-67页
        3.3.1.X-ray diffraction with oriented particle size fractions第45-49页
        3.3.2.X-ray diffraction with oriented particle size fractions第49-67页
    3.4. Trioctahedral and dioctahedral phases第67-70页
    3.5. Fourier transform Infrared (FT- IR) spectroscopy第70-76页
        3.5.1.Particle size fractions of Alfisol (Alf1)第70-72页
        3.5.2. Particle size fractions of Alfisol (Alf2)第72-74页
        3.5.3. Particle size fractions of Ultisol (Ult)第74-75页
        3.5.4. Particle size fractions of Oxisol (Oxl)第75-76页
    3.6. Thermal Analysis第76-90页
        3.6.1. Particle size fractions of Alfisol (Alf_1)第76-80页
        3.6.2. Particle size fractions of Alfisol (Alf_2)第80-84页
        3.6.3. Particle size fractions of Ultisol (Ult)第84-87页
        3.6.4. Particle size fractions of Oxisol (Oxl)第87-90页
    3.7. Scanning electron microscopy (SEM) analysis第90-92页
    3.8. High-resolution transmission electron microscopy analysis第92-99页
        3.8.1. Particle size fractions of Alfisol (Alf_1)第92-93页
        3.8.2. Particle size fractions of Alfisol (Alf_2)第93-97页
        3.8.3. Particle size fractions of Ultisol (Ult)第97-99页
4. Discussion第99-107页
    4.1. The transformations of clay minerals in the particle fractions第99-103页
    4.2. The structural transformation of clay minerals in the particle fractions第103-107页
        4.2.1. The crystalline structure of clay minerals第103-105页
        4.2.2. The stacking layers of clay minerals第105-107页
5. Conclusion第107-109页
6. Future recommendations第109-110页
7. Papers and Abstracts relating to this work第110-111页
8. References第111-127页
Acknowledgements第127-130页

论文共130页,点击 下载论文
上一篇:微生物及碳酸酐酶对岩溶土壤生态系统碳储存的贡献及其机制
下一篇:钼调控黄棕壤氮素转化及其微生物机制研究