Departure and return,two basic existence modes and spiritual aspirations of human beings which are both contradictory and closely related to each other,have become primary prototype motifs in Chinese and foreign literature and have been fully embodied in modern Chinese drama.

Guilaizhuang Au deposit is a low sulfur tellurium oxidation deposit.

OCCURRENCE, SOURCE AND FATE OF POLYCHLORINATED DIBENZO P DIOXINS AND DIBENZOFURANS (PCDD/F) IN YAER LAKE AREA;

Animadvert Awareness and Self-examination Awareness——Contrast of Value between Poems of"Guilaizhe"and"Menglongshishi";

Wiping off Historical Dust——On Gide S Return from USSR and China;