An 15-year resolution oxygen-isotope profile,based on 12 230Th dates and 999 δ18O data from two stalagmites(Wu23,Wu26) from Wulu Cave of southwest of Guizhou Province,China,provides a detailed history of the Asian monsoon variability between 61 and 51 kaBP.

Objective: To observe the egfect of long-term environmental tobacco smoke on the ultrastructure and expression of TGF-β1 in rat alveolar epithelium, and study the role of TGF-β1 in smoking-induced lung pathological changes.

Dew and fog precipitation (horizontal precipitation) resources of cano py interception and the microclimatic characteristics of dew and fog formation w ere measured in dry season in Xishuangbana tropicalrain forest through measuring air temperature, air humidity, wind speed, gross radiation, net radiation, refl ective radiation, leaf temperature and soil heat flux.

The effects of cigarette smoking exposure on the neurogenesis and microglia in dentate gyrus of adolescent mice;

To investigate the effects of cigarette smoking exposure(CSE)on the developing central nerve system and its function,we focused on the effects of CSE on adolescent mice s ability of learning and memory,neurogenesis and the population of activated microglia.