Search results for: Fenghua Zhao

Items from 1 to 20 out of 46 results

article

Granite is an Effective Helium Source Rock: Insights from the Helium Generation and Release Characteristics in Granites from the North Qinling Orogen, China

Wen ZHANG, Yuhong LI, Fenghua ZHAO, Zheng ZHOU, more

Acta Geologica Sinica ‐ English Edition > 94 > 1 > 114 - 125

Global helium (He) shortage is a challenging problem; however, the types of helium source rock and the mechanisms of He generation and release therein remain still poorly understood. In this study, in order to evaluate the potential of granite as an effective helium source rock, we collected granitic samples from the North Qinling Orogen, Central China, in the south of the helium‐rich Weihe Basin...

article

Mn-doped FeF₃·0.33H₂O with enhanced electrochemical performance as cathode materials for lithium-ion batteries

Yan Lu, Si Huang, Zhengyu Zhang, Xinping Huang, more

Ionics > 2019 > 25 > 11 > 5221-5228

Lithium-ion batteries with the FeF₃·0.33H₂O cathode material enable a high energy density and safety. However, a major challenge of FeF₃·0.33H₂O is its low conductivity. In this work, Fe_1-2x/3Mn_xF₃·0.33H₂O (x = 0, 0.01, 0.03, 0.05, and 0.07) are prepared via the solvent thermal method. Systematic investigations have studied the effect of Mn-doping on the physical and electrochemical properties. The...

article

High-Performance Cathode Material of FeF₃·0.33H₂O Modified with Carbon Nanotubes and Graphene for Lithium-Ion Batteries

Lu Lu, Sheng Li, Jun Li, Lifang Lan, more

Nanoscale Research Letters > 2019 > 14 > 1 > 1-11

The FeF₃·0.33H₂O cathode material can exhibit a high capacity and high energy density through transfer of multiple electrons in the conversion reaction and has attracted great attention from researchers. However, the low conductivity of FeF₃·0.33H₂O greatly restricts its application. Generally, carbon nanotubes (CNTs) and graphene can be used as conductive networks to improve the conductivities of...

article

Autophagy inhibition potentiates the anti-angiogenic property of multikinase inhibitor anlotinib through JAK2/STAT3/VEGFA signaling in non-small cell lung cancer cells

Lijun Liang, Kaiyuan Hui, Chenxi Hu, Yixuan Wen, more

Journal of Experimental & Clinical Cancer Research > 2019 > 38 > 1 > 1-13

Background The efficacy and safety of multikinase inhibitor anlotinib have been confirmed in the treatment of advanced non-small cell lung cancer (NSCLC). However, the direct functional mechanisms of tumor lethality mediated by anlotinib were not fully elucidated, and the underlying mechanisms related to resistance remain largely elusive. Methods Cell viability, colony formation, apoptosis and tumor...

article

Dissolution of realgar by Acidithiobacillus ferrooxidans in the presence and absence of zerovalent iron: Implications for remediation of iron-deficient realgar tailings

Lijun Fan, Fenghua Zhao, Jing Liu, Karen A. Hudson-Edwards

Chemosphere > 2018 > 209 > C > 381-391

Realgar (As₄S₄)-rich tailings are iron-deficient arsenical mine wastes. The mechanisms and products of the dissolution of realgar by Acidithiobacillus ferrooxidans (A. ferrooxidans) in the presence (0.2 g and 2 g) and absence of zerovalent iron (ZVI) are investigated for three stages (each of 7 d with fresh A. ferrooxidans medium addition between the stages). SEM-EDX, FTIR, XPS and selective extraction...

article

Enhancement of the electrochemical performance of the spinel structure LiNi_0.5-xGa_xMn_1.5O₄ cathode material by Ga doping

Lifang Lan, Sheng Li, Jun Li, Lu Lu, more

Nanoscale Research Letters > 2018 > 13 > 1 > 1-10

A sol-gel method was adopted to obtain LiNi_0.5-xGa_xMn_1.5O₄ (x = 0, 0.04, 0.06, 0.08, 0.1) samples. The effect of Ga doping on LiNi_0.5Mn_1.5O₄ and its optimum content were investigated, and the electrochemical properties at room temperature and at a high temperature were discussed. The structural, morphological, and vibrational features of LiNi_0.5-xGa_xMn_1.5O₄ (x = 0, 0.04, 0.06, 0.08, 0.1) compounds...

article

Peat-accumulation models affected by the transgression-regression: a case study of mineralogy and geochemistry of the Permo-Carboniferous coals in the Lingshi Deposit, Qinshui Basin, China

Yu Zou, Fenghua Zhao, Dongna Liu, Yuanyuan Wang, more

Geosciences Journal > 2018 > 22 > 5 > 777-791

Mineralogy and geochemistry of Nos.1, 9 and 10 coals in the Lingshi Deposit, Qinshui Basin, China, are investigated in this paper, using industrial analysis, total sulfur and forms of sulfur analyses, optical microscope, scanning electron microscope equipped with energy dispersive X-ray spectrometer, X-ray powder diffraction, X-ray fluorescence, and inductively coupled plasma-mass spectrometers. The...

article

The As behavior of natural arsenical-containing colloidal ferric oxyhydroxide reacted with sulfate reducing bacteria

Lijun Fan, Fenghua Zhao, Jing Liu, Ray L. Frost

Chemical Engineering Journal > 2018 > 332 > C > 183-191

The extensive mining activities in Shimen realgar mine have generated large amounts of secondary arsenical ferric oxyhydroxides. The reductive dissolution of these tailing sediments at the soil/water interface influences the behavior of arsenic (As). Here, the dynamics of As in these flooded high arsenic tailing sediments at circumneutral pH conditions were investigated by employing a pure culture...

article

Controlled Synthesis of BaYF₅:Er³⁺, Yb³⁺ with Different Morphology for the Enhancement of Upconversion Luminescence

Jialiang Yao, Fenghua Zhao, Chunyang Pan, Jianle Zhuang

Nanoscale Research Letters > 2017 > 12 > 1 > 1-6

In this work, Er³⁺/Yb³⁺-codoped BaYF₅ with different sizes and shapes have been synthesized by a simple solvothermal method. By changing the fluoride source, pH value, solvent, surfactants, Yb³⁺ concentration, temperature, and reaction time, the optimum synthetic conditions of BaYF₅:Er³⁺, Yb³⁺ were found to improve the upconversion luminescent properties. It is found that the emission intensity of...

article

Assessing the ability of potential evapotranspiration models in capturing dynamics of evaporative demand across various biomes and climatic regimes with ChinaFLUX measurements

Han Zheng, Guirui Yu, Qiufeng Wang, Xianjin Zhu, more

Journal of Hydrology > 2017 > 551 > C > 70-80

Estimates of atmospheric evaporative demand have been widely required for a variety of hydrological analyses, with potential evapotranspiration (PET) being an important measure representing evaporative demand of actual vegetated surfaces under given metrological conditions. In this study, we assessed the ability of various PET models in capturing long-term (typically 2003–2011) dynamics of evaporative...

article

Preparation and photoluminescence properties of YAG:Ce3+ phosphors by a series of amines assisted co-precipitation method

Likai Wang, Fenghua Zhao, Mei Zhang, Tingting Hou, more

Journal of Alloys and Compounds > 2016 > 661 > C > 148-154

In this work, YAG:Ce³⁺ phosphor powders were firstly prepared by a co-precipitation method, in which a mixed solution according to stoichiometric molar amounts of aluminum, yttrium and cerium nitrates were co-precipitated using different precipitants. Pure YAG phase were obtained at 800 °C, which is lower than those applied for preparing YAG:Ce³⁺ phosphors by co-precipitation method using ammonia...

chapter

Adsorption of Phosphate and Arsenate on New Al₁₃-Oxalate Precipitate: Spectroscopic and Macroscopic Competitive Adsorption Investigations

Jing Liu, Fenghua Zhao

Molecular Environmental Soil Science at the Interfaces in the Earth’s Critical Zone > Biogeochemical Interfacial Reactions and the Transformation, Transport and Fate of Vital and Toxic Elements > 130-133

Coprecipitates of aluminum-organics play important roles in the transport of phosphate and arsenate in soil environment. A new polynuclear aluminum organomineral precipitate (Al₁₃-Oxalate precipitate) was prepared to investigate the adsorption behavior of phosphate and arsenate on a noncrystalline aluminum precipitate. Important thermodynamic parameters of adsorption reactions were evaluated using...

article

Spatial variation in annual actual evapotranspiration of terrestrial ecosystems in China: Results from eddy covariance measurements

Han Zheng, Guirui Yu, Qiufeng Wang, Xianjin Zhu, more

Journal of Geographical Sciences > 2016 > 26 > 10 > 1391-1411

Understanding the spatial variation in annual actual evapotranspiration (AET) and its influencing factors is crucial for a better understanding of hydrological processes and water resources management. By synthesizing ecosystem-level observations of eddy-covariance flux sites in China (a total of 61 sites), we constructed the most complete AET dataset in China up to now. Based on this dataset, we...

article

The effects of different calibration and frequency response correction methods on eddy covariance ozone flux measured with a dry chemiluminescence analyzer

Zhilin Zhu, Fenghua Zhao, Linda Voss, Liukang Xu, more

Agricultural and Forest Meteorology > 2015 > 213 > C > 114-125

Ozone (O₃) flux (F_o) was measured over a wheat field in Yucheng, China, using the eddy covariance technique. A dry chemiluminescence fast-response O₃ analyzer and a UV-absorption based slow-response O₃ analyzer were used for measuring fast O₃ concentration fluctuations and absolute concentrations, respectively. The main objective of this study was to determine a group of suitable methods for calculating...

article

Improving the light use efficiency model for simulating terrestrial vegetation gross primary production by the inclusion of diffuse radiation across ecosystems in China

Shaoqiang Wang, Kun Huang, Hao Yan, Huimin Yan, more

Ecological Complexity > 2015 > 23 > Complete > 1-13

Qualification of gross primary production (GPP) of terrestrial ecosystem over large areas is important in understanding the response of terrestrial ecosystem to global climate change. While light use efficiency (LUE) models were widely used in regional carbon budget estimates, few studies consider the effect of diffuse radiation on LUE caused by clouds using a big leaf model. Here we developed a cloudiness...

article

Ozone concentrations, flux and potential effect on yield during wheat growth in the Northwest-Shandong Plain of China

Zhilin Zhu, Xiaomin Sun, Fenghua Zhao, Franz X. Meixner

Journal of Environmental Sciences > 2015 > 34 > C > 1-9

Ozone (O₃) concentration and flux (F_o) were measured using the eddy covariance technique over a wheat field in the Northwest-Shandong Plain of China. The O₃-induced wheat yield loss was estimated by utilizing O₃ exposure-response models. The results showed that: (1) During the growing season (7 March to 7 June, 2012), the minimum (16.1ppbV) and maximum (53.3ppbV) mean O₃ concentrations occurred at...

article

A high temperature polymer of phthalonitrile‐substituted phosphazene with low melting point and good thermal stability

Fenghua Zhao, Ruojin Liu, Xiaoyan Yu, Kimiyoshi Naito, more

Journal of Applied Polymer Science > 132 > 39 > n/a - n/a

A phthalonitrile‐substituted phosphonitrilic monomer has been synthesized from phosphonitrilic chloride trimer and then polymerized with addition of 4‐(hydroxylphenoxy)phthalonitrile (HPPN). The chemical structures of the phosphonitrilic monomer and polymer were characterized by Fourier Transform Infrared spectroscopy (FT‐IR) and proton Nuclear Magnetic Resonance spectroscopy (¹H NMR). Curing behaviors...

article

Photoluminescence properties of new Zn(II) complexes with 8-hydroxyquinoline ligands: Dependence on volume and electronic effect of substituents

Yanping Huo, Jiguo Lu, Sheng Hu, Liming Zhang, more

Journal of Molecular Structure > 2015 > 1083 > Complete > 144-151

A series of 2-arylethenyl-8-hydroxyquinoline ligands (A1–A4) with a trimethoxyphenyl, naphthyl, 2-fluoro-4-bromophenyl and anthracenyl group and their corresponding Zn(II) complexes (B1–B4) were synthesized and characterized by means of ¹ H NMR, ESI-MS, FT-IR and elemental analysis. A1 and A4 were characterized by single-crystal X-ray crystallography. The aggregation behavior of zinc salt...

article

Spectroscopic characterization and solubility investigation on the effects of As(V) on mineral structure tooeleite (Fe6(AsO3)4SO4(OH)4·H2O)

Jing Liu, Shiming Deng, Fenghua Zhao, Hongfei Cheng, more

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy > 2015 > 134 > C > 428-433

Tooeleite is an unique ferric arsenite sulfate mineral, which has the potential significance of directly fixing As(III) as mineral trap. The tooeleite and various precipitates were hydrothermally synthesized under the different of initial As(III)/As(V) molar ratios and characterized by XRD, FTIR, XPS and SEM. The crystallinity of tooeleite decreases with the amount of As(V). The precipitate is free...

article

Synthesis of biopolymer-grafted nanodiamond by ring-opening polymerization

Ruojin Liu, Fenghua Zhao, Xiaoyan Yu, Kimiyoshi Naito, more

Diamond and Related Materials > 2014 > 50 > C > 26-32

We have developed an efficient and biological method for the covalent functionalization of nanodiamond (ND) biopolymers. ND-grafted-poly(l-lactic acid) (ND-g-PLLA) and ND-grafted-poly(ε-caprolactone) (ND-g-PCL) were prepared by surface-initiated ring-opening polymerization. After homogenization of the surface by mixed acids and thionyl chlorides, the surface of ND was modified with 1,6-hexanediol...

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Keywords

ARSENIC (4)
EDDY COVARIANCE (4)
ELECTROCHEMICAL PERFORMANCE (3)
KEGGIN STRUCTURE (3)
LITHIUM-ION BATTERIES (3)
OZONE FLUX (3)
PHOTOLUMINESCENCE (3)
RAT (3)
TEMPORAL LOBE EPILEPSY (3)
ACID MINE DRAINAGE (2)
ADSORPTION (2)
CROPLAND ECOSYSTEM (2)
DEPOSITION VELOCITY (2)
EPILEPSY (2)
HUMAN (2)
OZONE CONCENTRATION (2)
SPATIAL VARIATION (2)
SPECTROSCOPIC STUDY (2)
TERRESTRIAL ECOSYSTEM (2)
27AL-MAS NMR (1)
8-HYDROXYQUINOLINE (1)
A. INORGANIC COMPOUNDS (1)
A. FERROOXIDANS (1)
ACID COAL-MINE DRAINAGE (1)
ACID MINE DRAINAGE (AMD) (1)
ACTUAL EVAPOTRANSPIRATION (1)
AL GEL (1)
AL13 (1)
ALNODE(TAG=, PARTS=[NODE(TAG=SUB, PARTS=[13])]) (1)
ANGIOGENESIS (1)
ANLOTINIB (1)
ANTI-ANGIOGENESIS (1)
APELIN (1)
APOPTOSIS (1)
ARSENIC MINERALIZATION (1)
ASIAN REGION (1)
ATMOSPHERIC AEROSOL (1)
AUTOPHAGY (1)
B. CHEMICAL SYNTHESIS (1)
BAYF5 (1)
BIOMASS BURNING (1)
BIOPOLYMER (1)
C. X-RAY DIFFRACTION (1)
CALIBRATION METHODS (1)
CARBON EXCHANGE FLUXES (1)
CARBON SOURCE/SINK STRENGTH (1)
CATHODE MATERIAL (1)
CHINA-FLUX (1)
CLIMATE CONTROLLING FACTORS (1)
CLOUDINESS INDEX (1)
CLOUDINESS INDEX LIGHT USE EFFICIENCY (CI-LUE) MODEL (1)
CO-PRECIPITATION (1)
COMPETITIVE ADSORPTION (1)
COMPLEXES (1)
CONDUCTIVE NETWORK (1)
CRUSHING (1)
D. MICROSTRUCTURE (1)
D. OPTICAL PROPERTIES (1)
DISPERSION (1)
DISSOLUTION (1)
DISTRIBUTION (1)
DYSBINDIN (1)
EDDY COVARIANCE FLUX (1)
ELECTRIC FIELDS (1)
EMISSION (1)
ENRICHMENT MECHANISM (1)
ER3+/YB3+ CODOPED (1)
EVAPORATIVE DEMAND (1)
EVAPOTRANSPIRATION (1)
EXCITON-EXCITON SCATTERING (1)
EXCITONS (1)
FAST-RESPONSE OZONE ANALYZER (1)
FEF3·0.33H2O (1)
FEF3·0.33H2O CATHODE MATERIAL (1)
FLAME RETARDANCE (1)
FREQUENCY RESPONSE CORRECTION (1)
FTIR (1)
FUNCTIONALIZATION (1)
F‐ACTIN (1)
GA DOPING (1)
GEL (1)
GEOCHEMISTRY (1)
GRANITE (1)
GROSS PRIMARY PRODUCTIVITY (1)
HAZARDOUS TRACE ELEMENTS (1)
HELIUM DIFFUSIVITY (1)
HELIUM SOURCE ROCK (1)
HIGH ARSENIC COAL (1)
HIGH-SPEED OPTICAL TECHNIQUES (1)
HISTONE DEACETYLASES2 (HDAC2) (1)
II-VI SEMICONDUCTORS (1)
IMPACT OF SUBSTITUENTS (1)
LASER EXCITATION (1)
LEACHING EXPERIMENTS (1)
LIGHT POLARISATION (1)
LIGNITE (1)
LINACRE (1)
LINI0.5-XGAXMN1.5O4 (1)
LUMINESCENT PROPERTIES (1)
MEASUREMENT BY LASER BEAM (1)
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Elsevier (21)
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Acta Geochimica (4)
Synapse (4)
Agricultural and Forest Meteorology (3)
International Journal of Coal Geology (3)
Nanoscale Research Letters (3)
Acta Geologica Sinica ‐ English Edition (1)
Brain Research (1)
Chemical Engineering Journal (1)
Chemistry of Materials (1)
Chemosphere (1)
Crystal Growth & Design (1)
Diamond and Related Materials (1)
Ecological Complexity (1)
Energy Conversion and Management (1)
Environmental Earth Sciences (1)
Geosciences Journal (1)
Inorganic Chemistry (1)
Ionics (1)
Journal of Alloys and Compounds (1)
Journal of Applied Polymer Science (1)
Journal of Colloid And Interface Science (1)
Journal of Environmental Sciences (1)
Journal of Experimental & Clinical Cancer Research (1)
Journal of Geographical Sciences (1)
Journal of Hydrology (1)
Journal of Molecular Structure (1)
Journal of Physics and Chemistry of Solids (1)
Materials Letters (1)
Peptides (1)
Science China Chemistry (1)
Science China Earth Sciences (1)
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy (1)
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INFONA - science communication portal

Search results for: Fenghua Zhao

Granite is an Effective Helium Source Rock: Insights from the Helium Generation and Release Characteristics in Granites from the North Qinling Orogen, China

Mn-doped FeF₃·0.33H₂O with enhanced electrochemical performance as cathode materials for lithium-ion batteries

High-Performance Cathode Material of FeF₃·0.33H₂O Modified with Carbon Nanotubes and Graphene for Lithium-Ion Batteries

Autophagy inhibition potentiates the anti-angiogenic property of multikinase inhibitor anlotinib through JAK2/STAT3/VEGFA signaling in non-small cell lung cancer cells

Dissolution of realgar by Acidithiobacillus ferrooxidans in the presence and absence of zerovalent iron: Implications for remediation of iron-deficient realgar tailings

Enhancement of the electrochemical performance of the spinel structure LiNi_0.5-xGa_xMn_1.5O₄ cathode material by Ga doping

Peat-accumulation models affected by the transgression-regression: a case study of mineralogy and geochemistry of the Permo-Carboniferous coals in the Lingshi Deposit, Qinshui Basin, China

The As behavior of natural arsenical-containing colloidal ferric oxyhydroxide reacted with sulfate reducing bacteria

Controlled Synthesis of BaYF₅:Er³⁺, Yb³⁺ with Different Morphology for the Enhancement of Upconversion Luminescence

Assessing the ability of potential evapotranspiration models in capturing dynamics of evaporative demand across various biomes and climatic regimes with ChinaFLUX measurements

Preparation and photoluminescence properties of YAG:Ce3+ phosphors by a series of amines assisted co-precipitation method

Adsorption of Phosphate and Arsenate on New Al₁₃-Oxalate Precipitate: Spectroscopic and Macroscopic Competitive Adsorption Investigations

Spatial variation in annual actual evapotranspiration of terrestrial ecosystems in China: Results from eddy covariance measurements

The effects of different calibration and frequency response correction methods on eddy covariance ozone flux measured with a dry chemiluminescence analyzer

Improving the light use efficiency model for simulating terrestrial vegetation gross primary production by the inclusion of diffuse radiation across ecosystems in China

Ozone concentrations, flux and potential effect on yield during wheat growth in the Northwest-Shandong Plain of China

A high temperature polymer of phthalonitrile‐substituted phosphazene with low melting point and good thermal stability

Photoluminescence properties of new Zn(II) complexes with 8-hydroxyquinoline ligands: Dependence on volume and electronic effect of substituents

Spectroscopic characterization and solubility investigation on the effects of As(V) on mineral structure tooeleite (Fe6(AsO3)4SO4(OH)4·H2O)

Synthesis of biopolymer-grafted nanodiamond by ring-opening polymerization

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