Measurements of Natural Radioactivity

This book contains five chapters and the whole writings were organized based on the experimental findings. The first chapter introduce the dissertation, including background history, scope of the study and limitations in the experimental work. The second chapter is about the review on the topic of dissertation, including the experimental apparatuses. Findings and expectations of other¿s works were reported well. The third chapter deals the methodology and method of dissertation, where the preferable methodology and typical method(s) were explained. The working performances of selected devices were checked and reported in this chapter. The fourth chapter is the experimental investigation of the dissertation, where introduction of sample types were given and results were discussed. In the chapter, there are four sections, that represents four independent works. The last chapter is conclusion, which close the book. I hope this book can help peoples who are in this field of study and others interested in this work.