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科研机构
北京大学 [9]
山东大学 [5]
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期刊论文 [42]
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Hidden dangers: High levels of organic pollutants in hadal trenches
期刊论文
WATER RESEARCH, 2024, 卷号: 251, 页码: 13
作者:
Xie, Jingqian
;
Chen, Chuchu
;
Luo, Min
;
Peng, Xiaotong
;
Lin, Tian
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2024/04/03
Hadal trench
Organic pollutant
Anthropogenic and natural source
Transport pathway
Source tracer
Investigation on the difference of PM2.5 transport flux between the North China Plain and the Sichuan Basin
期刊论文
ATMOSPHERIC ENVIRONMENT, 2022, 卷号: 271
作者:
Zhang, Zhida
;
Wang, Xiaoqi
;
Cheng, Shuiyuan
;
Guan, Panbo
;
Zhang, Hanyu
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  |  
浏览/下载:18/0
  |  
提交时间:2022/12/23
WRF-CAMx
PM2.5 flux
Transport pathway
Haze episodes
The North China Plain
The Sichuan Basin
Distribution and ecological risk of substituted and parent polycyclic aromatic hydrocarbons in surface waters of the Bai, Chao, and Chaobai rivers in northern China
期刊论文
ENVIRONMENTAL POLLUTION, 2020, 卷号: 257, 页码: 1-11
作者:
Qiao, Meng
;
Fu, Lujing
;
Li, Zhuorong
;
Liu, Dongqing
;
Bai, Yaohui
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  |  
浏览/下载:16/0
  |  
提交时间:2021/09/15
Polycyclic aromatic hydrocarbons
Substituted polycyclic aromatic hydrocarbons Source
Transport pathway
Aquatic ecological risk
Taxonomic groups
Black carbon in Xiamen, China: Temporal variations, transport pathways and impacts of synoptic circulation
期刊论文
Chemosphere, 2019, 页码: 125133
作者:
Junjun Deng
;
Wei Zhao
;
Libin Wu
;
Wei Hu
;
Lujie Ren
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  |  
浏览/下载:6/0
  |  
提交时间:2019/11/21
Black carbon
Transport pathway
PSCF
CWT
Synoptic circulation
Prenatal ethanol exposure-induced a low level of foetal blood cholesterol and its mechanism of IGF1-related placental cholesterol transport dysfunction
期刊论文
TOXICOLOGY, 2019, 卷号: 424
作者:
Zhang, Guohui
;
Zhou, Jin
;
Huang, Wen
;
Fang, Man
;
Yu, Luting
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  |  
浏览/下载:54/0
  |  
提交时间:2019/12/05
Prenatal ethanol exposure
Intrauterine growth retardation
Placental cholesterol transport
Apoptosis
IGF1 signal pathway
New insights into the chilling injury of postharvest white mushroom (Agaricus bisporus) related to mitochondria and electron transport pathway under high O-2/CO2 controlled atmospheres
期刊论文
POSTHARVEST BIOLOGY AND TECHNOLOGY, 2019, 卷号: 152, 页码: 45-53
作者:
Li, Ling
;
Kitazawa, Hiroaki
;
Zhang, Rongfei
;
Wang, Xiangyou
;
Zhang, Liming
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2019/12/11
Agaricus bisporus
High O-2
Chilling stress
Mitochondria
Electron
transport pathway
食用蔬菜能吸收和积累微塑料
期刊论文
科学通报, 2019, 卷号: 64, 期号: 9, 页码: 928-934
作者:
李连祯
;
周倩
;
尹娜
;
涂晨
;
骆永明
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  |  
浏览/下载:63/0
  |  
提交时间:2020/06/17
微塑料
生菜
聚苯乙烯微球
吸收
积累
健康风险
microplastics
lettuce
polystyrene microbeads
uptake
accumulation
human health risk
Microplastic (MP, 100 nm-5 mm) may present an attributable risk to ecosystem and human health, and its pollution has become a global environmental concern. Despite a wealth of information on the accumulation of MPs in aquatic species, there is no information on the uptake and accumulation of MPs by higher plants. Terrestrial edible plants are directly exposed to MPs when agricultural soil was applied with organic manure, sewage sludge as fertilizer or plastic mulching. In this paper, the uptake of two sizes of polystyrene (PS) microbeads (0.2 and 1.0 mum) and then their distribution and migration in an edible plant lettuce were firstly investigated based on laboratory experiments. We used fluorescent markers to track PS microbeads in plant tissues and found fluorescence to be a sensitive and reliable detection method. Sections from untreated control lettuce showed no autofluorescence. When roots were treated with fluorescently labeled PS microbeads, the microbeads could be identified by its fluorescence. Our main study investigated the uptake of 0.2 mum beads, as few luminescence signals were observed in lettuce roots for 1.0 mum beads in our experiment. We observed that 0.2 mum fluorescent microbeads were extracellularly trapped in the root cap mucilage (which is a highly hydrated polysaccharide) and a dark green tip (which was typical of lettuce roots exposed to label PS beads) was usually visible to the naked eye. Confocal images revealed that the PS luminescence signals were mainly located in the vascular system and on the cell walls of the cortex tissue of the roots, indicated that the beads passed through the intercellular space via the apoplastic transport system. Once inside the central cylinder, the 0.2 mum PS beads were transferred from the roots to the stems and leaves via the vascular system following the transpiration stream. We also observed that the PS beads adhered to one another and self-assembled systematically into grape-like and (chain) string-like clusters in the intercellular space of the root and stem vascular tissue of lettuce plant. In contrast to the root and stem, PS beads were dispersed in the leaf tissue. Here, for the first time we provide evidence of the adherence, uptake, accumulation, and translocation of submicrometer MPs within an edible plant. Our findings highlight the previously underappreciated human exposure pathway to MPs through the consumption of contaminated crops and emphasize the need for new management strategies to control the release of MPs waste products into the terrestrial environment. Ultimately, the potential impacts of low range sized MPs on food safety of crop plants and human health need to be urgently considered.
The controls of geomorphology and sediment supply on sequence stratigraphic architecture and sediment partitioning of the lacustrine rift basin in the Es-3 of Liuzan area, Nanpu Sag, Bohai Bay Basin, China
期刊论文
AUSTRALIAN JOURNAL OF EARTH SCIENCES, 2018, 卷号: 65, 期号: 2, 页码: 275-301
作者:
Lu, C.
;
Liu, Z.
;
Jia, H.
;
Dai, Q.
;
Li, M.
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  |  
浏览/下载:2/0
  |  
提交时间:2019/12/11
sediment transport pathway
paleogeomorphology
sediment supply
sediment partition
sequence stratigraphic architecture
Es-3
Nanpu Sag
The controls of geomorphology and sediment supply on sequence stratigraphic architecture and sediment partitioning of the lacustrine rift basin in the Es-3 of Liuzan area, Nanpu Sag, Bohai Bay Basin, China
期刊论文
AUSTRALIAN JOURNAL OF EARTH SCIENCES, 2018, 卷号: 65, 页码: 275-301
-
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2020/01/03
sediment transport pathway
paleogeomorphology
sediment supply
sediment partition
sequence stratigraphic architecture
Es-3
Nanpu Sag
Age-related changes of leaf traits and stoichiometry in an alpine shrub (Rhododendron agglutinatum) along altitudinal gradient (vol 14, pg 106, 2017)
期刊论文
JOURNAL OF MOUNTAIN SCIENCE, 2017, 卷号: 14, 期号: 3, 页码: 610-610
作者:
Liu Guo-hua
;
Wang Meng
;
Jin Tian-tian
;
Li Zong-shan
;
Gong Li
收藏
  |  
浏览/下载:19/0
  |  
提交时间:2018/07/20
Pfos
Pfoa
Major Sources
Transport Pathway
Environmental Release
Environmental Risk
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