The states of S species in black shales are very complex, such as organic sulfur, pyrite sulfur and sulphate sulfur. The mineral microtexture, sulfur content and sulfur isotope can indicate the formation conditions an...
Searching for transuranium elements in nature is an important research work, the singnificance of which has been widely emphasized by many scientists. In 1948, G. T. Seaberg et al. successfully extracted 239Pu from se...
Ⅰ. INTRODUCTIONSince the 60’s of this century, computer technique has been introduced into the field of EEG analysis. Power spectrum, auto and cross correlation coherence, and cumulative analyses on EEG have made si...
Ⅰ.INTRODUCTION The radiation of the solar local radio sources originates from the combined radiation mechanism of both the bremsstrahlung and the gyro-magnetic radiation.This mechanism can basically explain all the r...