On the basis of analyzing existing course system of urban planning discipline,this paper came up with a framework for optimization of urban planning personnel t
In order to develop natural antibacterial agents,the antibacterial activity of Aspergillusnigerxj was investigated.After being cultured in potato dextrose liqui
This paper summarizes and analyses the status quo of the sericultural standards system in China,and points out the characteristics and existed problems of seric
China is a large agricultural country. Healthy and rapid development of agriculture plays an important role in overall socialist construction of China. To reali
This paper revised the key agricultural support polices in China’s Taiwan after World War II,and examined the effects of policies on agricultural production an