共查询到20条相似文献,搜索用时 0 毫秒
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B. O. Grönblom 《Zeitschrift für Physik A Hadrons and Nuclei》1935,98(3-4):283-285
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M. Matherny 《光谱学快报》2013,46(6-7):227-234
The definition of the final precision value of concentration determination at emission spectroscopy is discused. A method of succesive summing up of partial errors, taking into consideration as well the errors yielded at calibration functions construction, is sugested. 相似文献
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Zeitschrift für Physik A Hadrons and nuclei - 相似文献
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U. von Zahn 《Zeitschrift für Physik A Hadrons and Nuclei》1962,168(2):129-142
The construction of an electric quadrupole spectrometer for precision mass determinations in the regionA>130 is described. The hyperbola-shaped electrodes are formed by sets of wires. A method is discussed which reduces the measurement of a mass ratio to a measurement of the ratio of two resistors. In contrast to the conventional ‘peak matching’ technique, in this method the intensity ratio of both members of a dublett occurs as an additional parameter and has to be measured. For testing, measurements were done on Xe-isotopes. The mass ratios obtained are:132Xe/131Xe=1.007 632 1 ±5,134Xe/132Xe=1.015 730. The intensity ratio of132Xe/131Xe is 0.7872±0.0020. These values are in good agreement with the most accurate measurements of Nier's laboratory. 相似文献
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