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放射性标准
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放射性标准
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radioactive standard
放射性标准
经过精确测定、比对、公认的,可作为放射性活度计量标准的放射性物质或制品。放射性标准以单位时间内发生的核衰变数来计量,单位为贝可(Bq)。
Chemistry
>放射化学与辐射化学>基础放射化学>释义
radioactive standard
放射性标准
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profinite group completion
profit
profitability index
profitability ratio
profitable thickness of coal seam
profit and loss balance rent
Profit Center
profit crowdfunding
profit distribution of conglomerate
profit impact of market strategy
profit maximization
profit of feeding herbivorous livestock
Profit of forage production
profit of insurance company
profits loss insurance
profound and vigorous
Profound Meaning of the Three Treatises
profundity
profuriteaminium
profuse and clear urine
profuse sweating
profuse urination
profust
progametangium
progamete
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