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| 1 | Day-ahead Optimization Schedule for Gas-electric Integrated Energy System Based on Second-order Cone Programming显示文摘This paper proposes an optimal day-ahead opti-mization schedule for gas-electric integrated energy system(IES)considering the bi-directional energy flow.The hourly topology of electric power system(EPS),natural gas system(NGS),energy hubs(EH)integrated power to gas(P2G)unit,are modeled to minimize the day-ahead operation cost of IES.Then,a second-order cone programming(SOCP)method is utilized to solve the optimization problem,which is actually a mixed integer nonconvex and nonlinear programming issue.Besides,cutting planes are added to ensure the exactness of the global optimal solution.Finally,simulation results demonstrate that the proposed optimization schedule can provide a safe,effective and economical day-ahead scheduling scheme for gas-electric IES. | Yonghui Sun Bowen Zhang Leijiao Ge Denis Sidorov Jianxi Wang Zhou Xu | 2020 | CSEE Journal of Power and Energy Systems2020，6，1： | 14 |
| 2 | Micro/nano-structured TiO2 surface with dual-functional antibacterial effects for biomedical applications显示文摘Implant-associated infections are generally difficult to cure owing to the bacterial antibiotic resistance which is attributed to the widespread usage of antibiotics.Given the global threat and increasing influence of antibiotic resistance,there is an urgent demand to explore novel antibacterial strategies other than using antibiotics.Recently,using a certain surface topography to provide a more persistent antibacterial solution attracts more and more attention.However,the clinical application of biomimetic nano-pillar array is not satisfactory,mainly because its antibacterial ability against Gram-positive strain is not good enough.Thus,the pillar array should be equipped with other antibacterial agents to fulfill the bacteriostatic and bactericidal requirements of clinical application.Here,we designed a novel model substrate which was a combination of periodic micro/nano-pillar array and TiO2 for basically understanding the topographical bacteriostatic effects of periodic micro/nano-pillar array and the photocatalytic bactericidal activity of TiO2.Such innovation may potentially exert the synergistic effects by integrating the persistent topographical antibacterial activity and the non-invasive X-ray induced photocatalytic antibacterial property of TiO2 to combat against antibiotic-resistant implant-associated infections.First,to separately verify the topographical antibacterial activity of TiO2 periodic micro/nano-pillar array,we systematically investigated its effects on bacterial adhesion,growth,proliferation,and viability in the dark without involving the photocatalysis of TiO2.The pillar array with sub-micron motif size can significantly inhibit the adhesion,growth,and proliferation of Staphylococcus aureus(S.aureus)and Escherichia coli(E.coli).Such antibacterial ability is mainly attributed to a spatial confinement size-effect and limited contact area availability generated by the special topography of pillar array.Moreover,the pillar array is not lethal to S.aureus and E.coli in 24 h.Then,the X-ray induced photocatalytic antibacterial property of TiO2 periodic micro/nano-pillar array in vitro and in vivo will be systematically studied in a future work.This study could shed light on the direction of surface topography design for future medical implants to combat against antibiotic-resistant implant-associated infections without using antibiotics. | Xiang Ge Chengzu Ren Yonghui Ding Guang Chen Xiong Lu Kefeng Wang Fuzeng Ren Meng Yang Zhuochen Wang Junlan Li Xinxin An Bao Qian Yang Leng | 2019 | Bioactive Materials2019，4，1： | 8 |
| 3 | Effect of phosphate releasing in activated sludge on phosphorus removal from municipal wastewater显示文摘Aluminum and ferric salts are commonly used in municipal wastewater treatment plants(WWPTs) for phosphorus(P) removal. In this study, on-site jar tests were conducted to determine the removal of different P species from the fresh samples in the presence and absence of activated sludge(AS) with different doses of alum, poly-aluminum chloride,and ferric chloride at different p H. The soluble P(SP) concentration in the samples was about 0.63 mg/L. When the mixed liquor containing AS was treated with 8 mg/L of Al, SP could be reduced to 0.13 mg/L, while it was reduced to 0.16 mg/L with only 1 mg/L of Al after sedimentation removal of AS from sample. Chemical analysis determined that AS contained 59.8 mg-P/g-TSS and 43.8 mg-Al/g-TSS and most of the P was associated with the aluminum hydroxide. We discovered that the phosphate in the AS could readily be released from it, which was mainly responsible for ineffective removal of P to low levels in mixed liquor even with very high alum dose. This study provides new insight into the behavior and fate of P in the wastewater treatment plants that use alum to enhance P removal in the final effluent. | Jie Ge Xiaoguang Meng Yonghui Song Amalia Terracciano | 2018 | Journal of Environmental Sciences2018，30，5： | 7 |
| 4 | Simulation study of transverse flux linear switched reluctance drive显示文摘 | Ge Baoming Zhang Yihuang Yu Xuehai Nan Yonghui | 2005 | ICEMS20052005，1，： | 1 |
| 5 | Production of 5-Hydroxymethylfurfural from Fructose in Ionic Liquid Efficiently Catalyzed by Cr(III)-Al_(2)O_(3)Catalyst显示文摘A series of metal-Al_(2)O_(3)catalysts were prepared simply by the conventional impregnation with Al_(2)O_(3)and metal chlorides,which were applied to the dehydration of fructose to 5-hydroxymethylfurfural(HMF).An agreeable HMF yield of 93.1%was achieved from fructose at mild conditions(100℃and 40 min)when employing Cr(III)-Al_(2)O_(3)as catalyst in 1-butyl-3-methylimidazolium chloride([Bmim]Cl).The Cr(III)-Al_(2)O_(3)catalyst was characterized via XRD,DRS and Raman spectra and the results clarified the interaction between the Cr(III)and the alumina support.Meanwhile,the reaction solvents([Bmim]Cl)collected after 1st reaction run and 5th reaction run were analyzed by ICP-OES and LC-ITMS and the results confirmed that no Cr(III)ion was dropped off from the alumina support dur-ing the fructose dehydration.Notably,Cr(III)-Al_(2)O_(3)catalyst had an excellent catalytic performance for glucose and sucrose and the HMF yields were reached to 73.7%and 84.1%at 120℃for 60 min,respectively.Furthermore,the system of Cr(III)-Al_(2)O_(3)and[Bmim]Cl exhibited a constant stability and activity at 100℃for 40 min and a fa-vorable HMF yield was maintained after ten recycles. | Changhua Song Hui Liu Yuan Li Shuai Ge Hongwei Wang Wenshuai Zhu Yonghui Chang Changri Han Huaming Li | 2014 | Chinese Journal of Chemistry2014，32，5： | 1 |
| 6 | Preparation of multisubstituted allenes from allylsilanes显示文摘 | Ogasawara M Ge Yonghui Uetake K | 2005 | J Org Chem2005，70，10： | 1 |
| 7 | Production of 5‐Hydroxymethylfurfural from Fructose in Ionic Liquid Efficiently Catalyzed by Cr(III)‐Al<sub>2</sub>O<sub>3</sub> Catalyst显示文摘 | Changhua Song Hui Liu Yuan Li Shuai Ge Hongwei Wang Wenshuai Zhu Yonghui Chang Changri Han Huaming Li | 2014 | Chin J Chem2014，，5： | 1 |
| 8 | A high strength, wear and corrosion-resistant, antibacterial and biocompatible Nb-5 at.% Ag alloy for dental and orthopedic implants显示文摘Refractory metal niobium(Nb) incorporated with a small amount of silver(Ag),the resulting Nb-Ag twophase alloys,were fabricated by mechanical alloying and spark plasma sintering.The microstructure,mechanical properties,wear resistance,corrosion behavior,in vitro and in vivo antibacterial properties and biocompatibility of the Nb-Ag alloys were systematically investigated.The results show that the mechanical properties,wear resistance,corrosion resistance and antibacterial ability were significantly enhanced after addition of 5 at.% Ag.The fabricated Nb-5 at.% Ag alloy demonstrates high yield strength of up to ~1486 MPa and fracture strain of ~35 %.The precipitated Ag particles could reduce friction and wear.The enhanced corrosion resistance was attributed to the higher relative density of the sintered alloys and the formation of a stable and dense passive film of niobium and silver oxides.In vitro and in vivo evaluations show that the Nb-5 at.% Ag alloy also has strong antibacterial activity and good biocompatibility and osteointegration ability.These results demonstrate great potential of the nanostructured Nb-Ag alloys for dental and orthopedic implants. | Tian Wan Kangjie Chu Ju Fang Chuanxin Zhong Yiwen Zhang Xiang Ge Yonghui Ding Fuzeng Ren | 2021 | Journal of Materials Science & Technology2021，，21： | 0 |
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