丰中子奇异核~(17)B���实验研究

在兰州重离子加速器国家实验室(HIRFL)放射性次级束流线(RIBLL)上,用束流透射法测量了丰中子奇异核17B���C靶反应的总截面.假定17B���有15B(核芯)+2n结构,采用Gauss+HO形式的密度分布和零力程Glauber模型进行计算的结果可以很好地拟合实验数据,并得出17B���密度分布有一个很大的弥散,表明17B���双中子晕核.

Influence of low doses microwave radiation on activities of antioxidative enzymes of Isatis indigotica seedlings exposed to enhanced UV-B radiation

IEECAS SKLLQG

ENVIRONMENTAL EVOLUTION OF ORDOS DESERT IN CHINA SINCE 1.1MA B. P. AS INDICATED BY YULIN STRATIGRAPHICAL SECTION AND ITS GRAIN-SIZE ANALYSIS RESULTS

IEECAS SKLLQG

激光对uv-B���射大青叶和板蓝根品质的影响

IEECAS SKLLQG

低剂量微波辐射对增强uv-B���射损伤菘蓝幼苗抗氧化酶活性的影响

IEECAS SKLLQG