The ratios of the length to width of the propodus of the fourth leg in the three kinds of mitten crabs were identical or near to those of taxonomic samples.
By reducing the tangential representation set of small covers over prisms to a prime form,this article determines the classification of small covers over prisms up to equivariant cobordism.
All graphs are finite simple undirected graph with no isolated vertices in this paper. It is completed the classification of graphs on which a semidihedral group acts edge-transitively.
Gray clustering is a feasible method to assign these floristics to their suitable area, in which assorting vegetable and delineating the clustering objects by linear features are necessary.
This paper analyzes the remote sensing images data of Tanggu saltpan by the methods of pattern recognition,and classifies the water resources in Tanggu saltpan using supervised classification.
This paper discusses basic concept and sort of filoplume, analyses the cause that infecting filoplume of cashmere yarn, and puts forward control measure in working procedure.
The latest development and application prospect of Inonotus obliquus is summarized in following aspects: taxology, bionomy, cultivation on manpower and development tendency in medicine.
As stories go through the chain of people, they are refined, corrected and sorted out until they come finally to me and I have a chance to read through most stories before I go on the air.
But why are archaea so important? Why do they need a whole biological domain to themselves, while we humans get squashed up in one domain with plants and fungi?
Race was a large focus of both “scientific” and social categorization in the 19th century, determining everything from legal status to the assignment of assumed traits like intellectual capabilities or physical endurance.