| 摘要 | 第1-6页 |
| ABSTRACT | 第6-8页 |
| Content | 第8-10页 |
| Chapter 1 Introduction | 第10-43页 |
| ·Biomining | 第10-27页 |
| ·Bioleaching of copper sulphides | 第13-23页 |
| ·Biooxidation of sulfidic gold-beafing ores | 第23-27页 |
| ·Biodiversity and interactions of acidophiles in acid mine drainage | 第27-40页 |
| ·Acid mine drainage | 第27-30页 |
| ·Microbial diversity in acid mine drainage | 第30-37页 |
| ·Interactions involving iron,sulfur and carbon oxidizers | 第37-40页 |
| ·The significance and contents of our research | 第40-43页 |
| ·The significance of our research | 第40-41页 |
| ·Contents of our research | 第41-43页 |
| Chapter 2 Materials and methods | 第43-51页 |
| ·Coltunn bioleaching | 第43-47页 |
| ·Low-grade copper ore | 第43页 |
| ·Microorganisms and media | 第43-44页 |
| ·Bioleaching tests | 第44-45页 |
| ·Bioleaching test analysis | 第45页 |
| ·Microbial community structure analysis | 第45-47页 |
| ·Succession of bacterial community under difierent Fe~(3+) concentrations | 第47-51页 |
| ·Study site,sample collection and physicochemical analyses | 第47-48页 |
| ·Experiment condition of succession tests | 第48页 |
| ·Microbial corllmunity structure analysis | 第48-51页 |
| Chapter 3 Column bioleaching of low-grade Copper ore | 第51-60页 |
| ·Bioleaching tests | 第51-58页 |
| ·Microbial community structure analysis | 第58-60页 |
| Chapter 4 Succession of bacterial community under different Fe(Ⅲ)concentration | 第60-69页 |
| ·Biogeochemical propenies of AMD samples | 第60-61页 |
| ·Cell densities at different ferric ion concentrations | 第61-62页 |
| ·ARDRA analvsis of 16S rRNA clone libraries | 第62页 |
| ·Phylogenetic analysis | 第62-64页 |
| ·Succession of bacterial community strueture | 第64-69页 |
| Chapter 5 Conclusions | 第69-71页 |
| References | 第71-89页 |
| Acknowledgements | 第89-90页 |
| Publications | 第90页 |
