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application of metrology in chemistry
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application of metrology in chemistry
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application of metrology in chemistry
化学计量应用
以化学计量基准或标准装置、基准或参考方法、基准或标准物质为参考标准,开展的测量仪器或测量系统检定/校准、测量方法/程序验证与确认、测量比对、测量结果质量控制等活动。确保化学测量结果的计量学溯源性、可比性、兼容性与准确性。
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unessential
unessential expansion
unessential singularity
U-network
uneven
uneven-aged forest
uneven bars
uneven bars of Summer Special Olympics
unevenness
uneven number
uneven wool dyed
U Ne Win
unexcited
unexcited degree of freedom
unexpected hanging paradox
unexpected progression
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