This paper takes marsh in the Sanjiang Plain as an example in order to research the effect of draining on the chemical elements in marsh. The Sanjiang Ecologica
Primary productivity in the western tropical Pacific and equatorial warm waters was studied in the WOCE cruise in November of 1991 and the TOGA- COARE cruise fr
The sand wedges in Hexi Corridor occur in the alluvial gravel stratum of bajada and high terraces. The 14C ages of eolian sand in sand wedges prove that they fo
The fragile rice mutant was isolated from an M2 population of indica variety Shuang Ke Zao (SKZ) treated with (-rays, and designated as fp1 (fragile plant 1) be
The volatiles, absorbed by Porapak Q and eluted by hexane, from Chinese cabbage, Brassica campestris chinesis (L.) Makino. var. communis Tsen et Lee, have been