遮阳伞
发表于 2025-3-21 18:20:30
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convert
发表于 2025-3-21 21:15:45
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homocysteine
发表于 2025-3-22 03:33:57
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共栖
发表于 2025-3-22 04:55:05
Jochen Hoefsn. Kwetsbaarheid kan vervolgens leiden tot functieverlies, niet zelden geluxeerd door een acute aandoening. Naast de noodzaak van diagnostiek naar onderliggende ziekte(n), dient in dergelijke gevallen in samenhang gekeken te worden naar verlies van spierkracht en spiermassa (ook wel sarcopenie genoe
hair-bulb
发表于 2025-3-22 10:26:05
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persistence
发表于 2025-3-22 16:28:36
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思考
发表于 2025-3-22 19:25:58
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incision
发表于 2025-3-22 21:14:17
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calorie
发表于 2025-3-23 02:46:51
Isotopic Properties of Selected Elements,development of the ratio mass spectrometer. Before going into details of the naturally occurring variations of stable isotope ratios, it is useful to discuss some general trends pertinent to the whole field of isotope geochemistry.
affluent
发表于 2025-3-23 07:11:41
Variations of Stable Isotope Ratios in Nature,clear that this is not the case. Traces of presolar matter, which have survived in some primitive meteorites, can be recognized by their anomalous isotopic composition, which lies outside the range normally found on the earth and in the solar system. Shima (1986) has summarized the extremes of isotopic variations in extraterrestrial materials.