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以甘肃省秦安县和礼县考古遗址中发现的粟和黍为研究对象,对其进行了碳同位素的测定,并开展了碳同位素和形态学鉴定方法的检验。结果表明,粟和黍的碳同位素值是不同的,即使是炭化的考古样品,粟和黍的碳同位素值仍然是有差别的,粟较黍的碳同位素值总体偏正。这一方法可以比较简便地检验形态学鉴定的结果是否正确。如果能够建立不同地区不同时段粟和黍的碳同位素值数据库,将会为粟和黍的鉴别提供依据。
Taking the millet and millet found in the archeological sites of Qin’an County and Li County in Gansu Province as the research object, the carbon isotopes were measured and the carbon isotope and morphological identification methods were tested. The results showed that the carbon isotope values of millet and millet were different. Even for carbonized archeological samples, the carbon isotope values of millet and millet were still different. The millet carbon isotope value of millet was generally positive. This method can be relatively easy to test the results of morphological identification is correct. If we can establish the different regions of different periods of millet and millet carbon isotope value database, will provide the basis for the identification of millet and millet.