A new variable speed control moment gyro(VSCMG) steering law is proposed in order to achieve higher torque precision. Th......

圆二色谱仪是研究蛋白质二级结构的有力工具,能在远紫外区测出蛋白质的二级结构的各种构象。通常的蛋白质二级结构有α-螺旋、β-......