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Resultados globales: 6 registros encontrados en 0.02 segundos.
Artículos, Encontrados 6 registros
Artículos Encontrados 6 registros  
1.
11 p, 1.3 MB Effects of reaction conditions on the formation of todorokite at atmospheric pressure / Cui, Hao-Jie (Huazhong Agricultural University. College of Resources and Environment) ; Feng, Xionghan (Huazhong Agricultural University. College of Resources and Environment) ; He, Ji-Zheng (Chinese Academy of Sciences. Research Center for Eco-Environmental Sciences) ; Tan, Wenfeng (Huazhong Agricultural University. College of Resources and Environment) ; Liu, Fan (Huazhong Agricultural University. College of Resources and Environment)
Todorokite is a common Mn oxide (with a tunnel structure) in the Earth surface environment, and can be obtained by hydrothermal treatment or refluxing process from precursor buserite with a layered structure. [...]
2006 - 10.1346/CCMN.2006.0540507
Clays and Clay Minerals, Vol. 54, Núm. 5 (2006) , p. 605-615  
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2.
13 p, 1.0 MB Structural controls on the catalytic polymerization of hydroquinone by birnessites / Liu, Ming-Ming (Huazhong Agricultural University. College of Resources and Environment) ; Cao, Xing-Hui (Huazhong Agricultural University. College of Resources and Environment) ; Tan, Wenfeng (Huazhong Agricultural University. College of Resources and Environment) ; Feng, Xionghan (Huazhong Agricultural University. College of Resources and Environment) ; Qiu, Guo-Hong (Huazhong Agricultural University. College of Resources and Environment) ; Chen, Xiu-Hua (Huazhong Agricultural University. College of Resources and Environment) ; Liu, Fan (Huazhong Agricultural University. College of Resources and Environment)
The role of Mn oxide in the abiotic formation of humic substances has been well demonstrated. However, information on the effect of crystal structure and surface-chemical characteristics of Mn oxide on this process is limited. [...]
2011 - 10.1346/CCMN.2011.0590510
Clays and Clay Minerals, Vol. 59, Núm. 5 (2011) , p. 525-537  
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3.
8 p, 720.9 KB Factors governing the formation of lithiophorite at atmospheric pressure / Cui, Haojie (Chinese Academy of Sciences. Institute of Urban Environment) ; You, Lei (Huazhong Agricultural University. Key Laboratory of Subtropical Agricultural Resources and Environment. Ministry of Agriculture) ; Feng, Xionghan (Huazhong Agricultural University. Key Laboratory of Subtropical Agricultural Resources and Environment. Ministry of Agriculture) ; Tan, Wenfeng (Huazhong Agricultural University. Key Laboratory of Subtropical Agricultural Resources and Environment. Ministry of Agriculture) ; Qiu, Guohong. (Huazhong Agricultural University. Key Laboratory of Subtropical Agricultural Resources and Environment. Ministry of Agriculture) ; Liu, Fan (Huazhong Agricultural University. Key Laboratory of Subtropical Agricultural Resources and Environment. Ministry of Agriculture)
Lithiophorite is a naturally occurring Mn oxide mineral commonly found in soils and sediments. The usual method of synthesizing lithiophorite is via a hydrothermal process in an autoclave at relatively high temperature and pressure. [...]
2009 - 10.1346/CCMN.2009.0570307
Clays and Clay Minerals, Vol. 57, Núm. 3 (2009) , p. 353-360  
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4.
7 p, 569.3 KB Influence of Mn (III) availability on the phase transformation from layered buserite to tunnel-structured todorokite / Cui, Haojie (Huazhong Agricultural University. Key Laboratory of Subtropical Agricultural Resources and Environment) ; Liu, Xiangwen (China University of Geosciences) ; Tan, Wenfeng (Key Huazhong Agricultural University. Laboratory of Subtropical Agricultural Resources and Environment) ; Feng, Xionghan (Huazhong Agricultural University. Key Laboratory of Subtropical Agricultural Resources and Environment) ; Liu, Fan (Huazhong Agricultural University. Key Laboratory of Subtropical Agricultural Resources and Environment) ; Ruan, Huada Daniel (Beijing Normal University-Hong Kong Baptist University)
Todorokite is a common Mn oxide mineral in terrestrial and ocean-floor environments, and it is commonly synthesized from layered Na-buserite. Pyrophosphate, which is known to form strong complexes with Mn(III) at a pH range of 1-8, was added to a suspension of Na-buserite in order to sequester the available Mn(III) in Na-buserite. [...]
2008 - 10.1346/CCMN.2008.0560401
Clays and Clay Minerals, Vol. 56, Núm. 4 (2008) , p. 397-403  
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5.
8 p, 749.9 KB Relationship between Pb2+ adsorption and average Mn oxidation state in synthetic birnessites / Zhao, Wei (Huazhong Agricultural University. Key Lab of Subtropical Agriculture Resource and Environment) ; Cui, Haojie (Huazhong Agricultural University. Key Lab of Subtropical Agriculture Resource and Environment) ; Liu, Fan (Huazhong Agricultural University. Key Lab of Subtropical Agriculture Resource and Environment) ; Tan, Wenfeng (Huazhong Agricultural University. Key Lab of Subtropical Agriculture Resource and Environment) ; Feng, Xionghan (Huazhong Agricultural University. Key Lab of Subtropical Agriculture Resource and Environment)
The relationship between vacant Mn structural sites in birnessites and heavy-metal adsorption is a current and important research topic. In this study, two series of birnessites with different average oxidation states (AOS) of Mn were synthesized. [...]
2009 - 10.1346/CCMN.2009.0570501
Clays and Clay Minerals, Vol. 57, Núm. 5 (2009) , p. 513-520  
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6.
10 p, 1.8 MB Birnessites with different average manganese oxidation states synthesized, characterized, and transformed to todorokite at atmospheric pressure / Cui, Haojie (Chinese Academy of Sciences. Institute of Urban Environment) ; Qiu, Guohong (Huazhong Agricultural University. Key Laboratory of Subtropical Agricultural Resources and Environment) ; Feng, Xionghan (Huazhong Agricultural University. Key Laboratory of Subtropical Agricultural Resources and Environment) ; Tan, Wenfeng (Huazhong Agricultural University. Key Laboratory of Subtropical Agricultural Resources and Environment) ; Liu, Fan (Huazhong Agricultural University. Key Laboratory of Subtropical Agricultural Resources and Environment)
Todorokite is a common manganese oxide mineral, with a tunnel structure, found in Earth surface environments, and is easily synthesized from layered birnessite. The aim of the current study was to prepare birnessites with different average manganese oxidation states (AOS) by controlling the MnO /Mn ratio in concentrated NaOH or KOH. [...]
2009 - 10.1346/CCMN.2009.0570605
Clays and Clay Minerals, Vol. 57, Núm. 6 (2009) , p. 715-724  
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Vea también: autores con nombres similares
1 Feng, Xiaowen
3 Feng, Xinliang
1 Feng, Xue
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