This paper introduced Chinese traditional intellectual game — 9-chain of rings,and analysis it\'s regular pattern,and reveal the profound mathematics intension,derive the full step of solving the 9-chain of rings(n-chain of rings) based on liner recurrence relations and reflected Gray code.

Species Diversity and Quantity of Shrub Layers in the Forest Main Communities of Jiulian Mountain,Jiangxi Province in South China;

) in natural protection area of Jiulian mountain by investigating and researching its plant resources, thereinto, eight genus are new distributing in jiangxi; The scopes of its uprightness distributing are wide, they centralize below the altitude of 800 m.

Species Diversity of Pteridophytes in Evergreen Broad-leaved Communities in Jiulianshan of Subtropical China;

Study on Macrofungal Species Diversity of Jiulianshan Natural Reserve in Jiangxi Province;

Structure of Cyclobalanopsis disciformis Community and Analysis of Features of Microclimate in Jiulianshan;

Analysis on Species Diversity of Evergreen Broad-leaved Forest in Jiulianshan Mountain of Jiangxi Province

Floristic composition of the evergreen broad-leaved forest in Jiulianshan Mountain was analyzed based on field investigation and community ecology.

Aims The Jiulianshan Mountain National Nature Reserve of Jiangxi is rich in typical natural evergreen broad-leaved forest communities; however, little is known about the interspecific relationships of the species that dominate the tree layer.

Analysis of Rusted Residues of Bronze Artifacts from Jiuliandun Tomb Nos. 1 & 2

The status-que of the sustainable development of the tourism industry in Jiuzhai-Huanglong Circular Routes was discussed.