依据现有的理论与实验研究结果，进一步分析了啮合异向双螺杆的混合性能。就如何增强这种螺杆的混合性能提出了调控措施，并指出这种螺......

Electron collision as well as its controlling lies in the core of study on nonsequential double ionization(NSDI).A singl......