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浙江农业大学
纸质出版日期:1995-03-01
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[1]张永熙,王寿祥,陈传群,孙志明,胡秉民,黄丹.茶树叶中~(89)Sr的积累与消失[J].核技术,1995(03):188-192.
The accumulation and elimination of  ̄(89)Sr in tea leaves[J]. Nuclear techniques, 1995, (3).
采用不同方式将(89)Sr引入茶树-土壤系统.结果表明,由茶树地上部引入的(89)Sr在茶树叶中的浓度比由土壤引入的高得多;在同一引入处理中,老叶中的(89)Sr浓度要比嫩梢高.(89)Sr在不同方法引入处理的茶树叶中的消长规律不同:由地上部引入(89)Sr的,其在老叶、嫩梢中的浓度随时间延长而减少;由土壤引入的,嫩梢中的(89)Sr浓度起初随时间延长而增高,在达到某一值后便缓慢降低,而老叶中的(89)Sr浓度起初增加较快,一定时间后便逐渐趋缓并达一饱和值。还确定了嫩梢、老叶对(89)Sr的CF(浓集系数)值.
The 89Sr was added to the teatree-soil system by different ways. The 89Sr in to the system through the over-ground part of teatree
was much more than that through soil. The 89Sr concentration in older leaves was higher than in shoot for a definite treatment. The accumulation elimination law of 89Sr in leaves varied with the treatments. For the treatment througn the over-ground part
the 89Sr concentration in older leaves and shoot was monotonously decreased with time increasing. But for the treatment through soil the 89Sr concentration in shoot was increased to reach a peak value
and then decreased slowly; while the 89Sr concentration in older leaves increased quickly in a period
then increased slowly to attain a saturated value.In addition
the concentration factor of 89Sr in older leaves and shoot were determined.
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