To investigate the mixing characteristics of heated water discharged, a three-dimensional flow and heated water advectio......

The Sanjiang Plain is the largest area of freshwater wetlands in China,but now it was seriously fragmented because of in......

以胶合板材为培育目标，研究了Ｉ－６９杨胶合板用材林平均单株材积与造林密度和优势高的关系。分别不同林龄（６～１１ａ）建立了平均单株材积与造林密度及......