CR-39造句怎么写

3、The chemical etching condition of CR-39 solid state nuclear track detector for neutron measurement was optimized by experiment.

5、Studying CR-39 under a microscope and counting the number of tracks is a standard way to assess how many neutrons bowled past.

2、So to strengthen her case, Dr Boss placed a special plastic called CR-39 next to the hot electrode.

1、CR-39 solid lenses deliver superior UV protection.

4、In the paper a personnel neutron dosimeter based on a CR-39 plastic track detector registering heavy recoils and alpha particles is described.