磁共振质子群能态跃迁,是指:()。
A.中等能态跃迁到高能态
B.高能态跃迁到低能态
C.中等能态跃迁到低能态
D.低能态跃迁到高能态
E.低能态跃迁到中等能态
第1题:
光波是由于原子的 受激发后, 从高能量态向低能量态跃迁产生的。
第2题:
17、磁共振质子群能态跃迁,是指:() The energy state transition of proton group in magnetic resonance is defined as:()
A.中等能态跃迁到高能态 Transition from medium energy state to high energy state
B.高能态跃迁到低能态 Transition from high energy state to low energy state
C.中等能态跃迁到低能态 Transition from medium energy state to low energy state
D.低能态跃迁到高能态 Transition from low energy state to high energy state
E.低能态跃迁到中等能态 Transition from low energy state to medium energy state
第3题:
2、若外加磁场的强度H0逐渐加大时,原子核自旋能级的低能态跃迁到高能态所需的能量()。
A.不变
B.逐渐减小
C.逐渐增大
D.不确定
第4题:
磁共振质子群能态跃迁,是指:() The energy state transition of proton group in magnetic resonance is defined as ()
A.低能态跃迁到中等能态 Transition from low energy state to medium energy state
B.中等能态跃迁到高能态 Transition from medium energy state to high energy state
C.高能态跃迁到低能态 Transition from high energy state to low energy state
D.低能态跃迁到高能态 Transition from low energy state to high energy state
第5题:
设某种微观粒子能在两个能级E2、E1之间产生跃迁,原子不受外场作用,自发地从高能态跃迁到低能态,这种辐射为()辐射。