The cadmium(Cd)and lead(Pb)resistant strains have been isolated from heavy metal contaminated soil around one of the sme......

利用固定化产酷氨酸酶的假单胞菌以酪氨酸为底物生产黑色素。该黑色素的紫外扫描光谱图显示随波长的减小其吸收值增大，在２１０ｎｍ处有一吸收......