The EPA's rules about what constitutes hazardous waste are backfiring against the nationwide recycling effort.环保署关于有害物质的法规同全国资源回收的工作正好唱反调.Its principal purpose is the cleanup of leaking hazardous waste disposal site...
The isospin fractionation intermediate ion collisions is studied by using isospin dependence quantum molecular dynamics model.利用同位旋相关的量子分子动力学模型研究了中能重离子碰撞中同位旋分馏过程.Inelastic collisions among photoelectrons rapidly distribu...