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地球化学基准
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地球化学基准
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geochemical baselines
地球化学基准
按照统一的基准网格、采集有代表性的样品、使用国际公认方法或标准获得化学元素及其化合物的含量数据,并以基准地球化学图的形式表示元素的空间分布,用含量数据和分布图件共同作为了解地球化学过去的演化规律和预测未来变化趋势的定量参照标尺。
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algebraic group of k transformation
algebraic group of k-transformation
algebraic group of transformations
algebraic groups over a local field
algebraic groups over an algebraic number field
algebraic group variety
algebraic Hecke character
algebraic homology class
algebraic homomorphism
algebraic homotopy
algebraic homotopy group
algebraic hull
algebraic hypersurface
algebraic identity
algebraic image restoration
algebraic independence
algebraic inequality
algebraic integer
algebraic integral
algebraic interpolation
algebraic invariant
algebraic irrationality
algebraicity
algebraic knot
algebraic K theory
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