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26篇 您的检索式:作者名="Erhong"
    题名 作者 年代 出处 被引量
1Temporal variations and source apportionment of volatile organic compounds at an urban site in Shijiazhuang, China显示文摘Shijiazhuang,the city with the worst air quality in China,is suffering from severe ozone pollution in summer.As the key precursors of ozone generation,it is necessary to control the Volatile Organic Compounds(VOCs)pollution.To have a better understanding of the pollution status and source contribution,the concentrations of 117 ambient VOCs were analyzed from April to August 2018 in an urban site in Shijiazhuang.Results showed that the monthly average concentration of total VOCs was 66.27 ppbv,in which,the oxygenated VOCs(37.89%),alkanes(33.89%),and halogenated hydrocarbons(13.31%)were the main composite on.Eight major sources were identified using Positive Matrix Factorization modeling with an accurate VOCs emission inventory as inter-complementary methods revealed that the petrochemical industry(26.24%),other industrial sources(15.19%),and traffic source(12.24%)were the major sources for ambient VOCs in Shijiazhuang.The spatial distributions of major industrial activities emissions were identified by using geographic information statistics system,which illustrated the VOCs was mainly from the north and southeast of Shijiazhuang.The inverse trajectory analysis using Hybrid Single-Particle Lagrangian Integrated Trajectory(HYSPLIT)and Potential Source Contribution Function(PSCF)clearly demonstrated the features of pollutant transport to Shijiazhuang.These findings can provide references for local governments regarding control strategies to reduce VOCs emissions.Yanan Guan Lei Wang Shujuan Wang Yihao Zhang Jieying Xiao Xiaoli Wang Erhong Duan Li'an Hou 2020Journal of Environmental Sciences2020,32,11:19
2Recent advances in ionic liquids-based hybrid processes for CO_(2) capture and utilization显示文摘CO_(2) capture and utilization(CCU)is an effective strategy to mitigate global warming.Absorption,adsorption and membranes are methods used for CO_(2) separation and capture,and various catalytic pathways have also been developed for CO_(2) utilization.Although widely researched and used in industry,these processes are energy-intensive and this challenge needs to be overcome.To realize further optimization,novel materials and processes are continuously being developed.New generation materials such as ionic liquids(ILs)have shown promising potential for cost-effective CO_(2) capture and utilization.This study reviews the current status of ILs-based solvents,adsorbents,membranes,catalysts and their hybrid processes for CO_(2) capture and utilization.The special properties of ILs are integrated into new materials through hybridization,which significantly improves the performance in the process of CCU.Shaohan Lian Chunfeng Song Qingling Liu Erhong Duan Hongwei Ren Yutaka Kitamura 2021Journal of Environmental Sciences2021,33,1:9
3Adsorption-energy-based activity descriptors for electrocatalysts in energy storage applications显示文摘Energy storage technologies, such as fuel cells, ammonia production and lithium–air batteries, are important strategies for addressing the global challenge of energy crisis and environmental pollution.Taking overpotential as a direct criterion, we illustrate in theory and experiment that the adsorption energies of charged species such as Li^++e^-and H^++e^-are a central parameter to describe catalytic activities related to electricity-in/electricity-out efficiencies. The essence of catalytic activity is revealed to relate with electronic coupling between catalysts and charged species. Based on adsorption energy, some activity descriptors such as d-band center, e_g-electron number and charge-transfer capacity are further defined by electronic properties of catalysts that directly affect interaction between catalysts and charged species. The present review is helpful for understanding the catalytic mechanisms of these electrocatalytic reactions and developing accurate catalytic descriptors, which can be employed to screen high-activity catalysts in future high-throughput calculations and experiments.Youwei Wang Wujie Qiu Erhong Song Feng Gu Zhihui Zheng Xiaolin Zhao Yingqin Zhao Jianjun Liu Wenqing Zhang 2018National Science Review2018,5,3:8
4Hedgehog signaling pathway regulates the growth of ovarian cancer spheroidforming cells显示文摘Anasuya Ray Erhong Meng Eddie Reed Lalita Shevde Rodney Rocconi 2011International Journal of Oncology2011,,4:2
5Hedgehog signa- ling pathway regulates the growth of ovarian cancer spheroid forming cells显示文摘RAY A MENG ERHONG REED E 2011International Journal of Oncology2011,39,4:1
6Benzoporphyrins via an olefin ring - closure metathesis methodology 显示文摘Lijuan J Erhong H Frank R F 2006Chem Commun2006,,:1
7Controllable data synthesis method for grammatical error correction显示文摘Due to the lack of parallel data in current grammatical error correction(GEC)task,models based on sequence to sequence framework cannot be adequately trained to obtain higher performance.We propose two data synthesis methods which can control the error rate and the ratio of error types on synthetic data.The first approach is to corrupt each word in the monolingual corpus with a fixed probability,including replacement,insertion and deletion.Another approach is to train error generation models and further filtering the decoding results of the models.The experiments on different synthetic data show that the error rate is 40%and that the ratio of error types is the same can improve the model performance better.Finally,we synthesize about 100 million data and achieve comparable performance as the state of the art,which uses twice as much data as we use.Liner Yang Chengcheng Wang Yun Chen Yongping Du Erhong Yang 2022Frontiers of Computer Science2022,16,4:1
8Combined Hyste- rolaparoscopy for the Diagnosis of Famale Infertility: a Retro-spective Study of 132 Patients in china显示文摘Erhong Zhang Yanan Zhang Li Fang 2014Mater Sociomed2014,26,3:1
9Adsorption equilibrium and kinetics of dibenzothiophene from n-octane on bamboo charcoal 显示文摘Dishun Zhao Juan Zhang Erhong Duan 2008Applied Surface Science2008,,254:1
10Toward the most versatile fluorophore: Direct functionalization of BODIPY dyes via regioselective C–H bond activation显示文摘Fluorescent dyes are heavily sought for their potentials applications in bioimaging, sensing, theranostic,and optoelectronic materials. Among them, BODIPY dyes are privileged fluorophores that are now widely used in highly diverse research fields. The increasing success of BODIPY dyes is closely associated with their excellent and tunable photophysical properties due to their rich functionalization chemistry.Recently, growing research efforts have been devoted to the direct functionalization of the BODIPY core,because it allows the facile installation of desired functional groups in a single atom economical step. The challenges of this direct C-H derivation come from the difficulties in finding suitable functionalization agents and proper control of the regioselectivity of the functionalization. The aim of this work is to provide an overview of BODIPY dyes and a summarization of the different synthetic methodologies reported for direct C–H functionalization of the BODIPY framework.Wanle Sheng Fan Lv Bing Tang Erhong Hao Lijuan Jiao 2019Chinese Chemical Letters2019,30,10:1
11Oxidation desulfurization of fuel using pyridinium-based ionic liquids as phase-transfer catalysts显示文摘Dishun Zhao Yanan Wang Erhong Duan Juan Zhang 2010Fuel Processing Technology2010,,12:1
12Adsorption equilibrium and kinetics of dibenzothiophene from n-octane on bamboo charcoal显示文摘Dishun Z Juan Z Erhong D 2008Applied Surface Science2008,254,:1
13Adsorption equilib- rium and kinetics of dibenzothiophene from n-octane on bamboo charcoal显示文摘Zhao Dishun Zhang Juan Duan Erhong 2008Applied Surface Science2008,254,:1
14Efficient synthesis of 1,4-diazabicyclo (2, 2, 2) octane in ionic liquids 显示文摘Zhao Dishun Duan Erhong Liu Ran 2008Catalysis Communication2008,9,8:1
15Projecting lifetime of deep submicron MOSFETs显示文摘Li Erhong Roseenbaum E Tao J 2001IEEE Trans Electron Devices2001,48,4:1
16Adsorption equilibrium and kinetics of dibenzothiophene from n -octane on bamboo charcoal 显示文摘Dishun Zhao Juan Zhang Erhong Duan Jinlong Wang 2008Applied Surface Science2008,254,:1
17Electrochemical Fabrication of Pd-Ag Alloy Nanowire Arrays in Anodic Alumina Oxide Template显示文摘The synthesis of Pd-Ag alloy nanowires in nanopores of porous anodic aluminum oxide (AAO) template by electrochemical deposition technique was reported.Pd-Ag alloy nanowires with 16%-25% Ag content are expected to serve as candidates of useful nanomaterials for the hydrogen sensors.Scanning electron microscopy (SEM) and energy dispersed X-ray spectroscopy (EDX) were employed to characterize the morphologies and compositions of the Pd-Ag nanowires.X-ray diffraction (XRD) was used to characterize the phase properties of the Pd-Ag nanowires.Pd-Ag alloy nanowire arrays with 17.28%-23.76% Ag content have been successfully fabricated by applying potentials ranging from -0.8 to -1.0 V (vs SCE).The sizes of the alloy nanowires are in agreement with the diameter of AAO nanopores.The underpotential deposition of Ag^+ on Pd and Au plays an important role in producing an exceptionally high Ag content in the alloy.Alloy compositions can still be controlled by adjusting the ion concentration ratio of Pd^(2+) and Ag^+ and the electrodeposition processes. XRD shows that nanowires obtained are in the form of alloy of Pd and Ag.Erhong YUE Gang YU Yuejun OUYANG Baicheng WENG Weiwei SI Liyuan YE 2008Journal of Materials Science & Technology2008,24,6:1
18Spatial-five coordination promotes the high efficiency of CoN_(4) moiety in graphene-based bilayer for oxygen reduction electrocatalysis: A density functional theory study显示文摘The searching of highly efficient catalysts for oxygen reduction reaction(ORR) has attracted particular attention. In this work, we construct the graphene-based bilayers BG/X that consists by the CoN_(4) embedded graphene as the upper layer and the X modified graphene as the bottom layer(X = Si, P, S). The interfacial bonding between CoN_(4) site and the X dopant is spontaneously formed due to the strong pd hybridization, which changes the Co ligand from the planar-four N_(4) coordination into spatial-five N_(4)+X one. The additive glue atom weakens too strong adsorptions of the ORR intermediates on CoN_(4) site and thereby improves the ORR activities in comparison with the monolayer counterpart. From the free energy profiles, the overpotentials η are 0.47, 0.49 and 0.45 V for BG/Si_(a), BG/P_(a) and BG/S_(a), respectively,being comparable to that of state-of-the-art Pt material. Besides, the kinetic barriers for the bilayers are less than 0.75 eV, an indicative of the room temperature activity. Furthermore, the combination of thermodynamic and kinetic analysis ensures the preference of 4e^(-)-OOH associative mechanism over 2e^(-)-H_(2)O_(2) mechanism, being beneficial for membrane stability against the H_(2)O_(2) corrosion. Therefore,the graphene-based bilayers deliver the high efficiencies for oxygen reduction electrocatalysis.Therefore, the interfacial bonding in the graphene-based bilayers provides an interesting strategy to suppress the poisoning phenomenon for the material design from atom scale.Libing Yu Qiuyan Huang Jing Wu Erhong Song Beibei Xiao 2023Chinese Journal of Chemical Engineering2023,54,2:0
19Low-temperature NH_(3)-SCR performance of a novel Chlorella@Mn composite denitrification catalyst显示文摘The synthesis process of conventional Mn-based denitrification catalysts is relatively complex and expensive.In this paper,a resource application of chlorella was proposed,and a Chlorella@Mn composite denitrification catalyst was innovatively synthesized by electrostatic interaction.The Chlorella@Mn composite denitrification catalyst prepared under the optimal conditions(0.54 g/L Mn^(2+)concentration,20 million chlorellas/mL concentration,450℃ calcination temperature)exhibited a well-developed pore structure and large specific surface area(122 m^(2)/g).Compared with MnOx alone,the Chlorella@Mn composite catalyst achieved superior performance,with~100%NH_(3)selective catalytic reduction(NH_(3)-SCR)denitrification activity at 100-225℃.The results of NH_(3)temperature-programmed desorption(NH_(3)-TPD)and H_(2)temperature-programmed reduction(H_(2)-TPR)showed that the catalyst had strong acid sites and good redox properties.Zeta potential testing showed that the electronegativity of the chlorella cell surface could be used to enrich with Mn^(2+).X-ray photoelectron spectroscopy(XPS)confirmed that Chlorella@Mn had a high content of Mn^(3+)and surface chemisorbed oxygen.In-situ diffuse refectance infrared Fourier transform spectroscopy(in-situ DRIFTS)experimental results showed that both Langmuir-Hinshelwood(L-H)and Eley-Rideal(E-R)mechanisms play a role in the denitrification process on the surface of the Chlorella@Mn catalyst,where the main intermediate nitrate species is monodentate nitrite.The presence of SO_(2)promoted the generation and strengthening of Bronsted acid sites,but also generated more sulfate species on the surface,thereby reducing the denitrification activity of the Chlorella@Mn catalyst.The Chlorella@Mn composite catalyst had the characteristics of short preparation time,simple process and low cost,making it promising for industrial application.Hengheng Liu Fengyu Gao Songjin Ko Ning Luo Xiaolong Tang Erhong Duan Honghong Yi Yuansong Zhou 2024Journal of Environmental Sciences2024,,3:0
20Ultalong nanowires self-assembled from a[b]-bisphenanthrene-fused azadipvrromethene显示文摘The 1 D microwires based onπ-extended azaBODIPY were successfully prepared and characterized for the first time.The bisphenanthrene-fused azaBPP-12 C with four hydrophobic chains was prepared through de novo synthesis method involving the Suzuki reaction and subsequent oxidative ring-fused coupling.The microwires and aggregation behavior were studied using SEM,XRD and absorption spectroscopy.Finally,an H-ty pe aggregation was confirmed in the solution process.Wanle Sheng Zhangcui Wang Erhong Hao Lijuan Jiao 2021Chinese Chemical Letters2021,32,3:0
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