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胶东半岛滨海沉积物中硫的迁移转化及其与铁的耦合机制
学位论文
工学博士, 中国科学院烟台海岸带研究所: 中国科学院烟大学, 2022
Authors:
姜明
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Submit date:2022/06/15
海岸带
沉积物
硫
铁
耦合机制
盐度对滨海水体氮磷测定的影响及其对沉积物氮磷释放的影响机制
学位论文
工程硕士, 烟台: 中国科学院大学, 2022
Authors:
胡娜娜
Adobe PDF(2129Kb)
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Submit date:2022/06/15
盐度
滨海水体
滨海沉积物
氮磷测定
氮磷释放
近20年来我国沉积物环境与污染控制研究进展与展望
期刊论文
地球科学进展, 2021, 卷号: 36, 期号: 4, 页码: 346-374
Authors:
范成新
;
刘敏
;
王圣瑞
;
方红卫
;
夏星辉
;
曹文志
;
丁士明
;
侯立军
;
王沛芳
;
陈敬安
;
游静
;
王菊英
;
盛彦清
;
朱伟
Adobe PDF(6042Kb)
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Submit date:2021/12/01
沉积物
环境效应
生态风险
质量基准
污染控制与修复
处理利用
中国
渤海及其入海河流沉积物中铁还原菌电活性及产甲烷菌多样性的研究
学位论文
, 北京: 中国科学院研究生院, 2019
Authors:
王炳臣
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Submit date:2019/07/01
渤海
入海河流
沉积物
铁还原菌
产甲烷菌
Bohai Sea
Surrounding River
Sediments
Iron Reducing Bacteria
Methanogens
海藻及其生物基材料对典型环境内分泌干扰物的去除作用与影响机制研究
学位论文
工学博士, 中国科学院烟台海岸带研究所: 中国科学院大学, 2019
Authors:
张翠
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Submit date:2021/01/13
海藻
环境内分泌干扰物
生物地球化学行为
海藻凋萎物
藻基材料
烟台夹河口外柱状沉积物还原性无机硫、活性铁的变化特征及其相互关系
期刊论文
海洋科学, 2018, 卷号: 42, 期号: 8, 页码: 90-97
Authors:
姜明
;
赵国强
;
李兆冉
;
盛彦清
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Submit date:2020/07/08
还原性无机硫
活性铁
深层柱状沉积物
硫化度
矿化度
Reduced inorganic sulfur
Reactive iron
Deep core sediments
Degree of pyritization
Degree of sulfidity
The distribution characteristics and coupling mechanism of reduced inorganic sulfur (RIS)and reactive iron in marine core sediments are closely related to the evolution of environment quality.In this study,an improved cold diffusion method and hydrochloric acid extraction method were applied to the acid-volatile sulfur (AVS),pyrite sulfur (CRS),elemental sulfur (ES),and reactive iron [Fe (Ⅱ)and Fe (III)] analyses.The distribution characteristics and coupling mechanism of S and Fe were investigated based on a core sediment 4 meters deep collected in the northern sea area of the mouth of Jiahe River,Yantai.The results showed that the RIS in sediments was dominated by CRS,followed by AVS and ES.The content of AVS presented a narrow range with depth,whereas the CRS and ES were higher at the top and bottom layers than the middle layer
reactive iron was dominated by Fe (II),which increased with depth,while Fe (Ⅲ)gradually decreased with depth.Most of the Fe (III)was reduced to the disssolved Fe(II),which was combined with the soluble H_2S of the sulfate-reducing bacteria to produce CRS and ES in the deep layer,resulting in their accumulation at the bottom of core sediments.Furthermore,this study showed that reactive iron was not a limiting factor for the accumulation of RIS with lower degree of pyritization and degree of sulfidity.
渤海不同区域沉积物古菌的多样性分析
期刊论文
海洋科学, 2017, 卷号: 41, 期号: 5, 页码: 8-16
Authors:
王炳臣
;
郑世玲
;
张洪霞
;
魏文超
;
王欧美
;
刘芳华
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Submit date:2020/07/07
methane
Bohai Sea
methanogens
diversity
potential methane productivity
甲烷
渤海
产甲烷菌
多样性
产甲烷潜力