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The effect of Cd,Pb stress on the activated oxygen scavenging system indicates that the content of chlorophyll.chlorophyll a/b ratio and the activity of CAT gradually decrease,the activity of SOD increases first and then decreases,and the activity of POd Gradually in creases with incrasing concentrations of Cd and Pb,Between Cd and Pb there is synergism in the Activated oxygen scavenging system.The results show that the stress of Cd and Pb can affect the scavenging system of activated oxygen and result in imbalance of activated oxygen metabolism. 相似文献
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煤中微量元素的环境地球化学 总被引：4，自引：2，他引：4
煤中微量元素的环境地球化学冯新斌洪业汤（中国科学院地球化学研究所，贵阳５５０００２）关键词煤微量元素环境地球化学对煤中微量元素的研究不仅能提供成煤环境的信息，而且具有重要的环境意义，因为燃煤过程已成为生态环境中潜在毒害元素（如Ａｓ、Ｂｅ、Ｃｄ、Ｃｏ、... 相似文献
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主 编：涂光炽 副主编：李献华 彭平安 赵振华 裘愉卓 常务编委：沈承德 夏斌 徐义刚 朱炳泉 肖贤明 杨秋剑(专职) 编 委：傅家谟 高山 耿安松 洪业汤 蒋志 李献华 林杨挺 刘丛强 刘东生 卢焕章 欧阳自远 彭平安 裘愉卓 沈承德 沈其韩 孙敏 孙世华 孙晓明 涂光炽 王京彬 吴福元 夏斌 肖贤明 徐义刚 杨秋剑 曾贻善 赵振华 郑永飞 周新民 朱炳泉 相似文献
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有机氧同位素分析研究进展陶发祥，洪业汤（中国科学院地球化学研究所．贵阳５５０００２）关键词有机质，氧同位素分析，全球变化全球变化研究在最近１０年取得了巨大成就，已经进入一个关键的历史时期。在该项研究中有三个最主要的问题，即先进的实验技术、从定性说明到... 相似文献
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Relationship between the δ^13C of tree ring cellulose from Pinus Koraiensis and climate parameters was investigated.A significantly negative correlation between δ^13C and mean low-cloud amount from May to July was discovered,which contributes to reconstructing the mean low-cloud amount form May to July at Antu in recent 200years.Periodicals of quasi-8-year,quasi-4-year and quasi-2-year were detected both in δ^13 C series and in the reconstructed low cloud amount series with 95% confidence level.Quasi-8-year period may reflect the integrated influence of solar activity,monsoon activity and local regional factors.Quasi-4-year and quasi-2-year periods indicate the influences of ENSO and Qussi Biennial Oscillation(QBO)of East Asian monsoon,respectively. 相似文献
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