为了探明玉米弯孢菌黑色素性质及其在致病性中的作用。利用酸碱沉淀法提取了玉米弯孢菌胞内及胞外黑色素,并分别采用紫外光谱、红......

A routing algorithm called DNH for increasing efficiency of mobile ad hoc network is presented, which is based on a new ......