Monocarboxylic acids and dicarboxylic acids in sea-floor sediments of the Jizhou Island and estuarine sediments at the Yangtze River mouth have been examined by
Melting experiments have been carried out on major rock types from the three rock belts in Southern Xizang. These rocks, being quite different in chemical compo
The Middle Tianshan uplift zone of the Tianshan folding system is located between the south and north Tianshan Hercynian eugocsyncline folding belts. Hornblende
Alpha-spectrometric technique is described as an independent method of determining micro-content of U^233 and Th^233. This method is based on the comparison of