CONTENTS

 

Discussions on the Formation Mechanism of the HPHT Synthetic Polycrystalline Diamond from Fe-C(H) System..........YANG Zhi-jun et al.  (405)

High-Pressure Phase Transition Crystal Chemistry Ⅱ. Changes of Ionic Radius and Ionic Migration Behaviors of Oxygen and Silicon in Magnesium Silicates and Silicon-Magnesium Oxides Under High Pressures..........SHI Ni-cheng et al.  (411)

Structural Evolution of Ocean Manganese Nodule Leaching Residue Under Heat Treatment..........CHANG Dong-yin et al. (417)

Synthesis of Nanocrystalline Cryptomelane from Reduction-Ammonia Leaching Residue of Ocean Manganese Nodules ..........SUN Jie et al. (423)

Preparation and Performance of Zeolite Catalyst for Dye Waster Treatment by Using CWPO..........LU Tang-jun et al.  (429)

An Investigation on Photocatalytic Activity of Erbium Doped K2La2Ti3O10 with Perovsktie-Type Structure..........WEI Yue-lin et al.  (437)

Synthesis of Polystyrene/Sepiolite Composites by Using Microemulsion Polymerization..........ZHANG Guo-yun et al.  (444)

Preparation and Characterization of Polyaniline/Montmorillonite Nanocomposite Materials ..........HU Ao-hou et al.  (449)

SHRIMP Dating and Its Geological Significance of Zircon in Volcanic from Laochang Large Silver-Lead-Zinc Deposit in Western Yunnan Province, China　　　　　　　　　   ..........CHEN Mi et al. (456)

An Oxygen and Carbon Isotope Study on the Formation Mode of Calcite in Beiya Gold Deposit, West Yunnan Province, China..........WU Kai-xing et al.  (463)

Influences on Cleavage and Surface Properties by Broken Bonds in the Surface of Scheelite and Calcite..........GAO Zhi-yong et al.  (470)

Mineralogy of Scaling in Oil Pipelines of Oilfields..........PAN Yin-hua et al. (476)

A Primilinary Study on Bio-oxidation of Sphalerite by Using Acidithiobacillus ferrooxidans from the Acid Mine Drainage of Dabaoshan Mine,　　　　　　　　　　　　　　　　　　　　　　　　　　　　  North Guangdong, China..........WAN Mo-li et al.  (482)

Effect of Ore Leaching by Aspergillus Niger..........TAN Yuan et al.  (490)

Fluoride Enrichment and Leaching in the Soil: A Review..........WANG Bin-bin et al. (496)

Localizationof concealed orebodiesof the Shizishan copper deposit——An application of Tectono-Geochemical Prospecting Method..........LI Qiang et al.  (501)

Characteristics of Natural Gaseous Mercury Concentration in Liaohe Depression, China..........HAN Zhong-xi et al.  (508)