论文部分内容阅读
Since Polythene (CH2)n is only composed of carbon and hydrogen nuclides,it is an ideal neutron slowing-down material. It is also a good material for verifying a neutron benchmark experiment, not only
Since Polythene (CH2) n is composed only of carbon and hydrogen nuclides, it is an ideal neutron slowing-down material. It is also a good material for verifying a neutron benchmark experiment, not only