<正>The changes of cycle distribution of spleen, thymus, peripheral lymphocyte and tumor cells are studied in the present study, which aims to provide basic dat
<正>Irradiation has been widely reported to damage organism by attacking on proteins, nuclei acid and lipids in cells. However, radiation hormesis after low dos
A novel technique is developed to turn the gas-load of the slender vacuum pipes into NEG (non-evaporationgetters) pump[1]. In the technique, the NEG films are g