西藏昌都地区环境硒分布特征及其与大骨节病的关系
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王婧, 李海蓉, 杨林生, 龚弘强, 李永华, 赵生成, 尼玛仓决
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Selenium in environment and its relationship with Kashin-Beck disease in Chamdo Area of Tibet
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Jing WANG, Hairong LI, Linsheng YANG, Hongqiang GONG, Yonghua LI, Shengcheng ZHAO, Ma cangjue NI
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| 表1 大骨节病病区环境样品中的硒含量（Mean±SD） |
| Tab. 1 Selenium contents in environmental samples in KBD endemic areas (Mean±SD) |
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| 饮用水
(μg·L-1) | 自然土壤
(μg·kg-1) | 耕作土壤
(μg·kg-1) | 青稞
(μg·kg-1) | 糌粑
(μg·kg-1) | 大米
(μg·kg-1) | 面粉
(μg·kg-1) | | 轻病区 | 0.84±0.36 (36) | 188.5±50.0 (8) | 302.6±77.2 (25) | 10.0±3.0 (19) | 13.8±7.3 (19) | 46.2±12.4 (19) | 23.1±6.7 (15) | | 中病区 | 0.61±0.26 (30) | 164.7±48.2 (9) | 213.5±73.2 (19) | 9.7±3.4 (13) | 12.3±5.4 (13) | 54.8±13.4 (14) | 26.6±9.4 (13) | | 重病区 | 0.25±0.13 (19) | 152.7±71.4 (9) | 205.9±53.3 (13) | 3.3±1.9 (8) | 3.4±2.0 (8) | 44.9±18.0 (7) | 10.5±2.6 (5) | | 平均 | 0.63±0.37 (85) | 167.8±57.4 (26) | 250.9±83.8 (57) | 8.6±3.9 (40) | 11.2±7.1 (40) | 49.0±14.1 (40) | 22.6±9.1 (33) |
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