排序方式: 共有30条查询结果,搜索用时 0 毫秒
1.
2.
3.
核探针技术的初步应用 总被引:1,自引:0,他引:1
使用新建成的核探针开展了阿米巴细胞中微量元素锌的含量及其分布的观察;锰矿物中微米级矿粒和矿物相的分析;深海锰结核内微米级层状结构的分析;反球化元素对球墨铸铁的影响以及微量元素的偏析造成不锈钢零件局域性断裂的研究。 相似文献
4.
5.
This paper describes the scanning nuclear microprobe facilities established at the Shanghai Institute of Nuclear Research. The Russion quadruplet constructed with four magnetic quadrupolets is used for microbeam formation. The long focus of the lens makes the working distance long enough to accommodate the scanning coils and the detectors for PIXE, RBS, RFS, NRA and SE experiments. A 5 μm focussed beam is scanned continously by a pair of coils. A multiparameter multidetector data system for the nuclear microprobe is based on the idea of Total quantitative scanning analysis (TQSA) suggested by Melbourne University. A digital graphic displayer is a good substitute for an ordinary storage oscilloscope for on- line scanned area monitoring. The new microprobe meets high demands of biologists and geologists on applications. 相似文献
6.
Micro-PIXEanalysisoftraceelementcompositionandtheirdistributionin mineralsofmantleperidotiteChenYou-Hong(陈友红),ZhuJie-Qing(朱节清... 相似文献
7.
9.
核探针技术的现状和发展 总被引:1,自引:0,他引:1
围绕近10年来召开的五次国际会议,评述了核探针技术在显微分析和显微成像方面的发展概况,介绍了它们在生物、微电子、环境和考古领域中的应用状况。 相似文献
10.