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risk assessment of compounds without threshold level
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risk assessment of compounds without threshold level
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工学
无阈化合物危险度评价
释
risk assessment of compounds without threshold level
无阈化合物危险度评价
按国家公认或国家正式批准的技术标准、规范、准则,对化合物的不同剂量水平作用于特定人群的有害健康效应进行综合定性、定量评价的过程。
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jade burial suit of the Han Dynasty
jade carving
Jade Carving Dayu’s Flood Control
jade carving machine
Jade Carving Nine Oldmen in Huichang period
Jade Carving Qiushan Xinglv Tu
jade carvings in Fuhao's Tomb
jade carvings of Han Dynasty
Jade Carving Tong Yin Shi Nr Tu(A lady under the Shadan of the Chinese parasol tree)
Jade Cicadidae of the Han Dynasty
Jade Cladding in the Han Dynasty
jade coffin of the Han Dynasty
Jade Cong at Fanshan
jade Cong of Fanshan Cemetery
jade crown of Fanshan Cemetery
jade cup in the Han Dynasty
Jade Dargon from Sunjiagang Site
Jade Dragonfly
jade dragon of the Hongshan culture
Jade Dragon Snow Mountain Scenic and Historic Area
jade elephant from the Tomb of Fuhao
Jade Emperor
Jade Emperor pavilion at Baoshan
Jade Figures and Spirit Beast in the collection of the Palace Museum
Jade Figure with Wide Handle on the Waist from Fuhao Tomb
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