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measurement of 15N abundance
释义
measurement of 15N abundance
15N丰度测定; 由质谱仪或光谱仪测定样品中15N原子数占总的N原子数的百分数。
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optimum rate of interest
optimum rate of mud flow
optimum rate of mud flow, optimum flow rate
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optimum ratio of nutrient elements
optimum reaction
optimum reaction vessel water level
optimum reactor design
optimum reactor shapes
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optimum receiver
optimum reception
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更新时间:2026/5/19 4:35:29