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| 1 | Mid-PleistoceneAcheulearr like stone technology of the BaiseBasin, South China显示文摘 | HouYM PottsR YuanBY | 2000 | Science2000,287,: | 1 |
| 2 | Dynamic observation of the diffusion layer in anodic processes of the Fe/H2 SO4 system with digital holography显示文摘 | YUANBY ZHANGJL GAOGF | | 0,,: | 1 |
| 3 | Preparation and Analysis of Fe 3 O 4 Magnetic Nanoparticles Used as Targeted-drug Carriers * * Supported by the Technology Project of Jiangxi Provincial Education Department and Jiangxi Provincial Science Department.显示文摘 | Yuanbi ZHAO Zumin QIU Jiaying HUANG | 2008 | Chinese Journal of Chemical Engineering2008,,3: | 1 |
| 4 | Preparation and Analysis of Fe 3 O 4 Magnetic Nanoparticles Used as Targeted-drug Carriers * * Supported by the Technology Project of Jiangxi Provincial Education Department and Jiangxi Provincial Science Department.显示文摘 | Yuanbi ZHAO Zumin QIU Jiaying HUANG | 2008 | Chinese Journal of Chemical Engineering2008,,3: | 1 |
| 5 | Metamorphic fluxes of water and carbon in rivers of the eastern Qinghai-Tibetan Plateau显示文摘Geothermal activities are common in active orogenic zones and play an important role in surface-earth geochemical processes.Here we analyzed the water chemical compositions,stable and radioactive carbon isotopes of dissolved inorganic carbon(δ^(13)CDICandΔ^(14)CDIC)of hot springs and large rivers in the eastern Qinghai-Tibetan Plateau(QTP).The hot springs had major ions’concentrations varying in a wide range,and most hot springs’alkalinities resulted from high-temperature silicate alteration.The observed hot springs’waters were affected by the mixing of metamorphic fluids and surface waters,which altered the water chemistry andΔ^(14)CDICof the hot springs.Because the observedΔ^(14)CDICin hot springs was much higher than the theoreticalΔ^(14)CDICin metamorphic fluids(i.e.,-1000‰),we used an isotopic mass balance approach(i.e.,Δ^(14)CDIC)to quantify the contribution of surface waters to the hot springs.After the ions of metamorphic fluids were calibrated byΔ^(14)CDIC,the metamorphic water fluxes were calculated by the chemical mass balance approach of Ge/Si ratios,using the Monte-Carlo method.We found that the proportion of metamorphic water fluxes to the river discharge ranged from 0.17%for the Yellow River to 0.52%for the Jinsha River,and it would be much higher in some tributaries.The horizontal metamorphic contributions of alkalinity to the large rivers ranged from 0.87%to 3.96%in eastern QTP,and the vertical metamorphic carbon outgassing would be much higher.The metamorphic fluids fluxes estimated in this study were much lower than previous estimations extrapolated from small Himalayan rivers,and thus we thought that the previous estimations of metamorphic carbon fluxes in QTP were likely over-estimated.We propose that systematic studies are needed to be conducted to constrain the metamorphic carbon flux in QTP.This study shed light on the release of metamorphic carbon in the orogenic zone,placing limits on the results of orogenic forcing on chemical weatherability. | Jun ZHONG Siliang LI Zheng LI Xuetao ZHU Yuanbi YI Tingting MA Sheng XU Congqiang LIU | 2022 | Science China Earth Sciences2022,65,4: | 1 |
| 6 | Detecting capability of China Earthquake Networks and quality evaluation of network observation conditions 显示文摘 | Jiao Yuanbi Wu Kaitong | 1990 | Earthquake Research in China1990,6,4: | 1 |
| 7 | Potential impacts of climate and anthropogenic-induced changes on DOM dynamics among the major Chinese rivers显示文摘Dissolved organic matter (DOM) is closely linked to human activities in drainage basins and plays a crucial role in maintaining ecosystem functioning and reflecting environmental quality. However, the impacts of climate and anthropogenic-induced changes on DOM in riverine systems under increasingly warming conditions still need to be better understood, particularly at large regional scales. To address this knowledge gap, we analyzed a dataset containing 386 published measurements for nine major Chinese river systems, examining dissolved organic carbon (DOC) concentrations and optical properties of chromophoric DOM (CDOM) under diverse envi- ronmental conditions, including mean air temperature, precipitation, surface solar radiation, population density, and land use. Our findings indicate that riverine DOC concentrations are significantly higher in northern China (at ∼46.8%) than in the south. This disparity is primarily due to the high input of soil erosion-induced DOM from drying-affected lands (57.0%), farmland (49.1%), and forests in the north. The high temperate and strong hydrological conditions would lead to DOM degradation easily in the riverine system in the south of China. Our study highlights that various climatic and anthropogenic factors, such as agriculture, vegetation coverage, soil erosion, surface solar radiation, and precipitation, individually or in combination, can affect DOM dynamics in river systems. Therefore, considering alterations in DOM dynamics resulting from climate and environmental changes is crucial for carbon-neutral policies and sustainable river ecosystem assessments. | Si-Liang Li Hao Zhang Yuanbi Yi Yutong Zhang Yulin Qi Khan MG Mostofa Laodong Guo Ding He Pingqing Fu Cong-Qiang Liu | 2023 | Geography and Sustainability2023,4,4: | 0 |