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lake sediment geochemical survey
释义
lake sediment geochemical survey
Encyclopedia
理学
地球化学勘查
释
lake sediment geochemical survey
湖积物地球化学测量
通过系统采集湖底沉积物样品,分析其中的化学元素、化合物及其他地球化学指标的含量,发现湖底沉积物中元素和化合物的地球化学异常及其空间分布,研究异常元素和化合物的来源、成因、迁移途径及影响因素,以达到矿产勘查、污染调查、风险评价与监测预警等目的的地球化学勘查方法。
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undercrossing-point
under cure
undercurrent
undercurrent safety culture
undercut
undercutting
undercutting level
underdamp
underdamped
underdamped harmonic motion
underdamped motion
underdamping
underdamping response
underdegree
underdensity
underdeposit corrosion
underdeterminacy
underdeterminant
underdeterminate system
underdetermined
underdetermined linear system
underdetermined system
underdetermined system of equations
underdevelopment
underdoped regime
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