The spatiotemporal migration process of Cd content and the theory developed

According to the survey data of Jiaozhou Bay water body from 1984 1988, this paper analyzed and explored Cd content each year, studied sources, quality, distribution migration conditions in waters perspectives volume, horizontal distribution, vertical seasonal regional structural tendency distribution. On time scale, there are five processes Bay. The author proposed material theories present dynamic process body. These rules, not only provide solid theoretical bases for waters, but also enlightenment study other substances bodies.