Simple on-line method of measuring the absolute ionization efficiency of an ion source
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چکیده
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15 صفحه اولthe washback effect of discretepoint vs. integrative tests on the retention of content in knowledge tests
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ژورنال
عنوان ژورنال: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
سال: 1994
ISSN: 0168-583X
DOI: 10.1016/0168-583x(94)95639-1