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中国地质大学科学技术发展院刘邓,王红梅 等. 环境学院 Geochimica et Cosmochimica Acta, 2019, The catalytic role of planktonic aerobic heterotrophic bacteria in protodolomite formation: Results from Lake Jibuhulangtu Nuur, Inner Mongolia, China(图)
白云石之谜;沉积岩
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2021/10/20
近日,自然指数期刊Geochimica et Cosmochimica Acta刊发了中国地质大学环境学院王红梅教授和刘邓副教授团队在“白云石之谜”领域取得新进展——The catalytic role of planktonic aerobic heterotrophic bacteria in protodolomite formation: Results from Lake Jibuhul...
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Extinction Mystery Solved? Fossil Evidence Suggests Humans Played a Role in Monkey’s Demise in Jamaica(图)
Extinction Mystery Fossil Evidence Humans Played Monkey’s Demise Jamaica
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2017/9/4
Radiocarbon dating of a fossilized leg bone from a Jamaican monkey called Xenothrix mcgregori suggests it may be the one of the most recent primate species anywhere in the world to become extinct, and...
Major Storm Events Play Key Role In Biogeochemistry of Watersheds
Major Storm Biogeochemistry Watersheds
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2016/2/22
A new Yale-led study offers a new conceptual framework for understanding the biogeochemistry of watersheds. The framework combines hydrologic and biogeochemical theory to test well established concept...
The effect of pH on the uptake of zinc and cadmium in marine phytoplankton: Possible role of weak complexes
zinc cadmium weak complexes
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2014/4/4
In natural samples from the New Jersey coast and the Gulf of Alaska, zinc (Zn) and cadmium (Cd) uptake
rates by phytoplankton decreased on average about 30% as pH was decreased from 8.5 to 7.9 or 7.7...
The Role of Clay on Soil Erosion and its Implications on Agriculture: A Review
Role of Clay Soil Erosion its Implications Agriculture Review
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2012/3/14
The Role of Clay on Soil Erosion and its Implications on Agriculture: A Review.
The Role of Extensional Fractures and Quartz Veins in the Formation of Kaolin Deposit From the Dwyka Tillite in Grahamstown, Eastern Cape Province, South Africa
Role Extensional Fractures Quartz Veins Formation Kaolin Dwyka Tillite
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2012/3/14
The Role of Extensional Fractures and Quartz Veins in the Formation of Kaolin Deposit From the Dwyka Tillite in Grahamstown, Eastern Cape Province, South Africa.
The role of mineral surfaces in the preservation and transformation of organic carbon: meso- to nano– scale spatial complexity of organic matter forms in organic-rich shales
mineral surfaces preservation transformation organic carbon meso- to nano– scale spatial complexity organic matter forms organic-rich shales
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2012/3/30
Sequestration of organic matter (OM) in sediments is a fundamental biogeochemical process that regulates planetary temperature, the flux of free oxygen to the atmosphere and oceans, and the distributi...
Role of colloidal particles for hydrogeochemistry in As-affected aquifers of the Hetao Basin, Inner Mongolia
aqueous geochemistry arsenic colloid shallow groundwater
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2017/8/9
High As groundwater was found in shallow aquifers of the Hetao Basin, Inner Mongolia, which has caused serious chronic arsenism. Groundwater particles are ubiquitous in natural aquifers, and significa...
Crystallization Processes and Role of Compositional Convection in the Macrolayer Formation in a Small Layered Complex
quartz-gabbro Crystallization Processes Macrolayer Formation
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2009/7/8
The Peloso complex is a 1000m thick gabbroic body composed of two main layered zones (ZA and ZB) that are made up of cyclic macrolayers of olivine gabbro, leucogabbronorite and anorthosite cumulates, ...
Linking allochthonous dissolved organic matter and boreal lake sediment carbon sequestration: The role of light-mediated flocculation
Linking allochthonous dissolved organic matter boreal lake sediment carbon sequestration The role of light-mediated flocculation
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2014/4/21
We measured flocculation of dissolved organic carbon (DOC) in the water from a humic lake (DOC = 14.9 mg C L-1) and from an adjacent mire (DOC = 25.7 mg C L-1), in in situ enclosure experiments with d...
Dissolution Kintics of Calcium Carbonate Minerals in H2O-CO2 Solutions in Turbulent Flow:the role of the diffusion boundry layer and the solw reaction H2O+CO2←→H(+)HCO3
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2007/7/28
期刊信息
篇名
Dissolution Kintics of Calcium Carbonate Minerals in H2O-CO2 Solutions in Turbulent Flow:the role of the diffusion boundry layer and the solw reaction H2O+CO2←→H(+)HCO3
语种
英文
撰写或编译
作者
刘再华,W,Dr...
Characterization and role of carbonic anhydrase in the calcification process of the azooxanthellate coral Tubastrea aurea
Carbonic anhydrase Carbon Calcification Biomineralization Organic matrix
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2014/4/9
In zooxanthellate corals, the photosynthetic fixation of carbon dioxide and the precipitation of CaCO3 are intimately linked both spatially and temporally making it difficult to study carbon transport...
Possible Role of Microbial Polysaccharides in Nontronite Formation
Biomineralization Extracellular Polysaccharides Microbes Micromorphology Microstructure Nontronite
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2011/12/5
Abstract: Nontronite and microbes were detected in the surface layers of deep-sea sediments from Iheya Basin, Okinawa Trough, Japan. Nontronite, an Fe-rich smectite mineral, was embedded in acidic pol...
Perturbative Theory of Mica Polytypism. Role of the M2 Layer in the Formation of Inhomogeneous Polytypes
Crystal Growth Long-Period Polytypes Mica Polytypism
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2011/12/2
Abstract: A new model is proposed to explain, within the framework of the theory of spiral growth of Frank, the formation on inhomogeneous mica polytypes. This model relates the interaction and cooper...
Destinezite (“Diadochite”), Fe2(PO4)(SO4)(OH).6H2O: Its Crystal Structure and Role as a Soil Mineral at Alum Cave Bluff, Tennessee
Crystal Structure Destinezite Diadochite Phosphate-Sulphate Soil Mineral
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2011/12/2
Abstract: A new occurrence of destinezite (diadochite), ideally Fe2(PO4)(SO4)(OH)·6H2O, is described from Alum Cave Bluff, Great Smoky Mountains National Park, Tennessee, where it occurs in soil and i...