A new kind of MOPA configuration to obtain a high power free-electron laser with very narrow line-width that can satisfy the requirements of some applications s
When individual microorganisms were used to release bound pesticide resdues,it was ussually not take into full account whether the autoclaving method could lead
The performance mechanism of the array neutron generator to be used to porosity logging is presented.The neutron generator utilizes a drive-in target ceramic ne