Search Results - "Feng, Xiong Han"

Cation Effects on the Layer Structure of Biogenic Mn-Oxides by Zhu, Mengqiang, Ginder-Vogel, Matthew, Parikh, Sanjai J, Feng, Xiong-Han, Sparks, Donald L

“…Biologically catalyzed Mn(II) oxidation produces biogenic Mn-oxides (BioMnO x ) and may serve as one of the major formation pathways for layered Mn-oxides in…”
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Preparation and characterization of novel crown ether functionalized ionic liquid-based solid-phase microextraction coatings by sol–gel technology by Zhou, Xin, Xie, Peng-fei, Wang, Jiang, Zhang, Bei-bei, Liu, Ming-ming, Liu, Han-lan, Feng, Xiong-han

“…A novel crown ether functionalized ionic liquid (IL), 1-allyl-3-(6′-oxo-benzo-15-crown-5 hexyl) imidazolium hexafluorophosphate was synthesized and used as…”
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Edible fungus slag derived nitrogen-doped hierarchical porous carbon as a high-performance adsorbent for rapid removal of organic pollutants from water by Cheng, Jian, Gu, Jiang-Jiang, Tao, Wei, Wang, Ping, Liu, Lian, Wang, Cao-Yu, Li, Yong-Ke, Feng, Xiong-Han, Qiu, Guo-Hong, Cao, Fei-Fei

“…[Display omitted] •The edible fungus slag was used to prepare nitrogen-doped hierarchical porous carbon.•High specific surface area, large pore volume and…”
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Effect of Cobalt-Doped Framework on Formation of Todorokite from Layered Manganese Oxides with Mg2＋/Co2＋ Ions as Template by CUI, Hao-Jie, LIU, Fan, TAN, Wen-Feng, FENG, Xiong-Han

“…Cobalt （Co） exists in significant quantities in naturally occurring manganese （Mn） oxides and alters the growth of Mn oxide crystals. Four-layered Mn oxides,…”
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Mitigation of soil acidification through changes in soil mineralogy due to long-term fertilization in southern China by Tao, Liang, Li, Fang-bai, Liu, Cheng-shuai, Feng, Xiong-han, Gu, Li-li, Wang, Bo-ren, Wen, Shi-lin, Xu, Ming-gang

“…Soil acidification is a natural process, and it is well known that soil acidification can be accelerated by long-term fertilization (LTF). Nevertheless, how…”
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Adsorption and redox reactions of heavy metals on synthesized Mn oxide minerals by Feng, Xiong Han, Zhai, Li Mei, Tan, Wen Feng, Liu, Fan, He, Ji Zheng

“…Several Mn oxide minerals commonly occurring in soils were synthesized by modified or optimized methods. The morphologies, structures, compositions and surface…”
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Formation of nano-crystalline todorokite from biogenic Mn oxides by Feng, Xiong Han, Zhu, Mengqiang, Ginder-Vogel, Matthew, Ni, Chaoying, Parikh, Sanjai J., Sparks, Donald L.

“…Todorokite, as one of three main Mn oxide phases present in oceanic Mn nodules and an active MnO 6 octahedral molecular sieve (OMS), has garnered much…”
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Thermally stable ionic liquid-based sol–gel coating for ultrasonic extraction–solid-phase microextraction–gas chromatography determination of phthalate esters in agricultural plastic films by Zhou, Xin, Shao, Xiao, Shu, Jian-jun, Liu, Ming-ming, Liu, Han-lan, Feng, Xiong-han, Liu, Fan

“…► A thermally stable ionic liquid-based sol–gel coating ([AMIM][N(SO2CF3)2]–OH-TSO) as solid phase microextraction fiber. ► An ultrasonic extraction–solid…”
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Effects of reaction conditions on the formation of todorokite at atmospheric pressure by Cui Haojie, Cui Haojie, Feng Xionghan, Feng Xionghan, He Jizheng, He Jizheng, Tan Wenfeng, Tan Wenfeng, Liu Fan, Liu Fan

“…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…”
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DETERMINATION OF THE POINT-OF-ZERO CHARGE OF MANGANESE OXIDES WITH DIFFERENT METHODS INCLUDING AN IMPROVED SALT TITRATION METHOD by TAN, Wen-Feng, LU, Si-Jun, FAN LIU, FENG, Xiong-Han, HE, Ji-Zheng, KOOPDL, Luuk K

“…Manganese (Mn) oxides are important components in soils and sediments. Points-of-zero charge (PZC) of three synthetic Mn oxides (birnessite, cryptomelane, and…”
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Synthesis of birnessite from the oxidation of Mn2+ by O2 in alkali medium; effects of synthesis conditions by Feng Xiong Han, Feng Xiong Han, Liu Fan, Liu Fan, Tan Wen Feng, Tan Wen Feng, Liu Xiang Wen, Liu Xiang Wen

“…An O2 oxidation and freeze-dry procedure has been used to synthesize birnessite through the oxidation of Mn2+ in alkali media. The effects of O2 flow rate, the…”
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Formation and Transformation of Iron Oxide–Kaolinite Associations in the Presence of Iron(II) by Wei, Shi-Yong, Liu, Fan, Feng, Xiong-Han, Tan, Wen-Feng, Koopal, Luuk K

“…Iron oxide–kaolinite associations are important components of tropical and subtropical soils and have significant influence on the physical and chemical…”
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Synthesis of Todorokite at Atmospheric Pressure by Feng, Xiong Han, Tan, Wen Feng, Liu, Fan, Wang, Jian Bo, Ruan, Huada Daniel

“…A 3 × 3 tunnel-structured manganese oxide, todorokite, or MnO6 octahedral molecular sieve (OMS-1), was synthesized at atmospheric pressure by a refluxing…”
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Structural controls on the catalytic polymerization of hydroquinone by birnessites by Liu, Ming-Ming, Cao, Xing-Hui, Tan, Wen-Feng, Feng, Xiong-Han, Qiu, Guo-Hong, Chen, Xiu-Hua, Liu, Fan

“…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…”
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The controlling effect of pH on oxidation of Cr(III) by manganese oxide minerals by Feng, Xiong Han, Zhai, Li Mei, Tan, Wen Feng, Zhao, Wei, Liu, Fan, He, Ji Zheng

“…Oxidation of Cr(III) by three types of manganese oxide minerals (birnessite I, birnessite II, and todorokite) and effects of pH were investigated by chemical…”
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Microbial DNA extraction and analyses of soil iron–manganese nodules by Zhang, Li-Mei, Liu, Fan, Tan, Wen-Feng, Feng, Xiong-Han, Zhu, Yong-Guan, He, Jizheng

“…Iron–manganese (Fe–Mn) nodules and concretions are soil new growth, reflecting soil environmental conditions during their formation. Bacteria play a dominant…”
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Sorption and desorption characteristics of different structures of organic phosphorus onto aluminum (oxyhydr) oxides by Liu, Fei, Zhang, Yan-Yi, Yan, Yu-Peng, Liu, Fan, Tan, Wen-Feng, Liu, Ming-Ming, Feng, Xiong-Han

“…The sorption and desorption characteristics of four kinds of organic phosphorus with different molecular structures (glycerophosphate (GP), glucose-6-phosphate…”
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A novel trimming circuit based on D type flip-flop by Luo, Shi-Lin, Li, Ze-Hong, Zhao, Nian, Xiong, Han-Feng, Zhang, Cheng-Fa

“…A design of trimming circuit which based on D type flip-flop is proposed in this paper. The circuit generates trimming code by using a code generating module,…”
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A floating high voltage gate driver with latch function by Xiong, Han-Feng, Li, Ze-Hong, Hu, Ren-Ren, Hong, Zhi-Chao

“…This paper describes a gate driver with latch function to achieve low power consumption. The proposed scheme adopts a floating high voltage level shifter to…”
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Adsorption of heavy metals on the surface of birnessite relationship with its Mn average oxidation state and adsorption sites by Wang, Yan, Tan, Wen-Feng, Feng, Xiong-Han, Qiu, Guo-Hong, Liu, Fan

“…Adsorption characteristics of mineral surface for heavy metal ions are largely determined by the type and amount of surface adsorption sites. However, the…”
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