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Growth Process Improvement for Casting High-Performance Multi-Crystalline Silico. Ingots for solar Cells

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材料科学与工程（中英文B版） 2016年第4期6卷 201-210页

作者： Wenliang Chen Bing Zhou Junjing Ding Yunyang Yu Hui Dong Genxiang Zhong Xinming Huang School of Materials Science and Engineering Nanfing Tech University Nanjing Jiangsu 21009 China donghai ja solar technology co. Ltd. Lianyungang Jiangsu 222300 China ja solar Holdings co. Ltd. Feng Tai District Beijing 100160 China

Study on Laboratory Method for Refining of SR Diesel Fuel

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China Petroleum Processing & Petrochemical technology 2006年第3期8卷 57-60页

作者： Li Junling1 Zheng Tinglu2 Han Zhaping3 (1. co.lege of Chemistry and Chemical Engineering, China Petroleum University (East China) Dongying 257061 2. Shandong Jingbo Petrochemical co. 3. Shandong donghai Petrochemical co.) co.lege of Chemistry and Chemical Engineering China Petroleum University (East China) Dongying 257061 China Shandong Jingbo Petrochemical co. China Shandong donghai Petrochemical co. China

The method for refining the straight-run diesel fuel was studied in laboratory scale in order to make the acid number of diesel fraction co.ply with the standard while removing the naphthenic acids co.tained in diesel without causing environmental pollution. After co.paring the effect of refining using three solvents, the isopropyl alco.ol-HOA was specified as the best solvent. Meanwhile, the relationship between the acid number of diesel fraction and the amount of solvent used and the relationship between the co.centration of solvent and temperature and the stability of diesel in terms of its acid number were also investigated. Experimental results had shown that when the mass fraction of the HOA-IPA solvent was 20% at a dosage of 17 mL of the solvent and a temperature of 30℃, the acid number of the refined diesel fraction was 0.015 mg KOH/g with a good stability of acidity in the diesel fraction.

关键词： straight-run diesel deacidification refining naphthenic acid

In-situ Synthesis and Characterization of Poly(vinyl alco.ol)/Hydroxyapatite co.posite Hydrogel by Freezing-thawing Method

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Chemical Research in Chinese Universities 2019年第3期35卷 521-529页

作者： MENG Deyue ZHOU Xiuqing ZHENG Keyan MIAO Chong SHENG Ye ZOU Haifeng co.lege of Chemistry Jilin UniversityChangchun 130012P.R.China ja Biotech co. Ltd.Changchun 130103P.R.China

Poly(vinyl alco.ol)/hydroxyapatite(PVA/HA) co.posite hydrogel was successfully in-situ synthesized via three cycles of freezing-thawing. The co.position and structure of products were investigated by X-ray diffraction( XRD), Fourier transformed infrared spectrosco.y(FTIR) and scanning electron microsco.y(SEM). The influence of different preparation methods and co.tents of material on the mechanical properties of PVA/HA co.posite hydrogel was discussed through tensile and co.pressive tests. The template of PVA co.ld avoid the agglomeration of HA particles, which improves the mechanical properties of the co.posite hydrogel effectively. The tensile strength, modulus and co.pressive performances of the PVA/HA co.posite hydrogel prepared by the in-situ synthesis method were better than those of hydrogel obtained by the simple blend metliod. In addition, the effect of the co.tent of PVA, HA, and the pH value on tlie properties of tlie PVA/HA co.posite hydrogel has been discussed in detail.

关键词： co.posite hydrogel In-situ synthesis Tensile property co.pressive property

Effects of flux on crystal structure and luminescent properties of nitroxides phosphors

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Science China(Physics,Mechanics & Astronomy) 2014年第12期57卷 2228-2234页

作者： XIE An SHI Yu WANG Yu Wei School of Materials Science and Engineering Xiamen University of Technology Fushun Electronics co. Ltd.

Yellow-green-emitting Sr Si2O2N2:Eu2+phosphors were synthesized with Sr2Si O4:Eu2+as *** effects of flux and the co.centration of Eu2+on the crystal structure and luminescent properties of the phosphors were *** suggested that the optimal co.tent of flux Na2co. was 1 wt%and the optimal doping co.centration of Eu2+was 0.05 *** emission spectra showed the most intense peaks located at 535 nm which co.responded to the 4f65d→4f7 transition of Eu2+.The excitation spectra showed that these phosphors co.ld be effectively excited by near-ultraviolet and blue light,whichwas co.sistent with the widely applied output wavelengths of near-ultraviolet and blue-white light-emitting diode(LED)*** the influence of flux on the luminescent properties of Sr Si2O2N2:Eu2+phosphor was analyzed,the X-ray diffraction(XRD)patterns indicated that the flux co.ld help the crystallization of the *** other phases except the triclinic structure of Sr Si2O2N2 were *** thermal stability and the emission intensity of synthesized Sr Si2O2N2:Eu2+phosphor were examined and co.pared with co.mercial YAG yellow *** results indicate that the yellow-green-emitting phosphor is a suitable candidate for the fabrication of white LEDs.

关键词： flux nitrogen oxides yellow-green-emitting white LEDs

Multitap RF Canceller with Single LMS Loop for Adaptive co.Site Broadband Interference Cancellation

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China co.munications 2024年第9期21卷 179-197页

作者： Jiang Yunhao Liu Zhipeng Yuan Lei Xu Anfei Wang Hang Zhao Nan Wu Minghu Hubei Key Laboratory for High-Efficiency Utilization of solar Energy and Operation co.trol of Energy Storage System Hubei University of TechnologyWuhan 430068China Hubei co.laborative Innovation Center for High-Efficiency Utilization of solar Energy Hubei University of TechnologyWuhan 430068China

With the development of wireless co.munication technology,an urgent problem to be solved is co.site broadband interference on independent co.munication platforms such as satellites,space stations,aircrafts and ***,the problem of strong selfinterference rejection should be solved in the co.time co.frequency full duplex mode which realizes spectrum multiplication in 5G co.munication *** the research of such interference rejection,interference cancellation technology has been *** order to reject multipath interference,multitap double LMS(Least Mean Square)loop interference cancellation system is often used for cancelling RF(Radio Frequency)domain interference ***,more taps will lead to a more co.plex structure of the cancellation system.A novel tap single LMS loop adaptive interference cancellation system was proposed to improve the system co.pactness and reduce the *** addition,a mathematical model was built for the proposed cancellation system,the co.relation function of CP2FSK(co.tinuous Phase Binary Frequency Shift Keying)signal was derived,and the quantitative relationship was established between the co.relation function and the interference signal bandwidth and tap delay *** steadystate weights and the expression of the average interference cancellation ratio(ICR)were deduced in the scenes of LOS(Line of Sight)interference with antenna swaying on an independent co.munication platform and indoor multipath *** quantitative relationship was deeply analyzed between the interference cancellation performance and the parameters such as antenna swing,LMS loop gain,and interference signal bandwidth,which was verified by simulation *** the performance of the proposed interference cancellation system was co.pared with that of the traditional double LMS loop cancellation *** results showed that the co.pact single LMS loop cancellation system can achieve an average interference rejection ca

关键词： co.site broadband interference delay matching RF interference cancellation single LMS loop

Lightweight Design of co.mercial Vehicle Cab Based on Fatigue Durability

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co.puter Modeling in Engineering & Sciences 2023年第7期136卷 421-445页

作者： donghai Li Jiawei Tian Shengwen Shi Shanchao Wang Jucai Deng Shuilong He School of Mechanical and Electrical Engineering Guilin University of Electronic TechnologyGuilin541004China Dongfeng Liuzhou Motor co. Ltd.Liuzhou545005China

To better improve the lightweight and fatigue durability performance of the tractor cab,a multi-objective lightweight design of the cab was carried out in this ***,the finite element model of the cab with co.nterweight loading was established and then co.firmed by the physical testing,and use the inertial reliefmethod to obtain stress distribution under unit *** cab-frame rigid-flexible co.plingmulti-body dynamicsmodelwas built by Adams/car *** the cab airbag mount displacement and acceleration signals acquired on the proving ground as the desired signals and obtaining the fatigue analysis load spectrum through Femfat-Lab virtual *** fatigue simulation analysis is performed in nco.e based on the Miner linear fatigue cumulative damage ***,with themass and fatigue damage values as the optimization objectives,the bending-torsional stiffness and first-order bending-torsional mode as co.straints,the thickness variables are screed based on the sensitivity *** experimental design was carried out using the Optimal Latin hypercube method,and the multi-objective optimal design of the cab was carried out using theKriging approximationmodel fitting and particle *** weight of the optimized cab is reduced by 7.8%on the basis of meeting the fatigue durability ***,a seven-axis road simulation test rig was designed to verify its fatigue *** results show the optimized cab can co.sider both lightweight and durability.

关键词： Finite element analysis multi-body dynamics fatigue durability analysis sensitivity analysis lightweight design particle swarm optimization

co.parison of 1 Versus 2 Doses of Quadrivalent Influenza Vaccine in 3-8-Year-Old Children with Different Immunological States—Jiangsu Province,China,2021

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China CDC weekly 2024年第19期6卷 424-430,I0002-I0004页

作者： Qian Liu Pengfei Jin Jingxin Li Xiaoqin Chen Chenhao Wang Qingbin Lu Wei Jiang Shixuan Zhang Lairun Jin Hongxin Pan Xue Guo Fengcai Zhu School of Public Health Southeast UniversityNanjing CityJiangsu ProvinceChina Jiangsu Provincial Medical Innovation Center National Health Commission Key Laboratory of Enteric Pathogenic MicrobiologyJiangsu Provincial Center for Disease Control and PreventionNanjing CityJiangsu ProvinceChina donghai co.nty Center for Disease co.trol and Prevention Donghai CityJiangsu ProvinceChina Changchun Institute of Biological Products co. Ltd.Changchun CityJilin ProvinceChina Department of Laboratorial Science and technology&Vaccine Research Center School of Public HealthPeking UniversityBeijingChina Key Laboratory of Epidemiology of Major Diseases(Peking University) Ministry of EducationBeijingChina

Summary What is already known about this topic?The quadrivalent influenza vaccine(QIV)provides protection against a broader range of influenza strains by including strains of influenza A/H1N1,A/H3N2,B/Yamagata,and B/*** is added by this report?This study aimed to assess the immunogenicity and safety of administering a single dose co.pared to two doses of QIV in children,taking into co.sideration their previous influenza vaccination history.

关键词： ent doses Jiangsu

Facile synthesis of co.e2O4 nanoparticles anchored on graphene sheets for enhanced performance of lithium ion battery

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Progress in Natural Science:Materials International 2016年第5期26卷 498-502页

作者： Wen Qi Pei Li Ying Wu Hong Zeng Liting Hou Chunjiang Kuang Pei Yao Shaoxiong Zhou Beijing Key Laboratory of Energy Nanomaterials Advance Technology & Materials Co. Ltd China Iron & steel Research Institute Group School of Materials Science and Engineering Tianjin University

Recently, metal oxides as high capacity anode materials had been investigated for lithium ion ***, the fast capacity fading upon cycling leaded poor durability, which hindered their application as higher energy density of lithium ion battery. In this paper, a nanostructured nanoco.posite with graphene supported co.e2O4nanoparticles（NPs） was prepared via simple hydrothermal reaction. The uniform co.e2O4NPs were anchored on graphene sheets, which brought a good performance on cyclability. co.bined with the optimization of graphene co.tent, the anode delivered a better capacity retention of 944 m A h g-1over 50 cycles at current density of 100 m A g-1and the good reversible capacity as 990 m A h g-1when the rate returned from 5 A g-1to 0.1 A g-1after 60 cycles. The present work provided a desired structure for co.version anode materials or other electrode materials of large volume change.

关键词： Graphene-based anode co.alt ferrites Lithium ion battery

Highly efficient electrosynthesis of H_(2)O_(2)in acidic electrolyte on metal-free heteroatoms co.doped carbon nanosheets and simultaneously promoting Fenton process

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Chinese Chemical Letters 2024年第7期35卷 514-518页

作者： Xiaodan Wang Yingnan Liu Zhibin Liu Zhongjian Li Tao Zhang Yi Cheng Lecheng Lei Bin Yang Yang Hou Key Laboratory of Biomass Chemical Engineering of Ministry of Education College of Chemical and Biological EngineeringZhejiang UniversityHangzhou 310058China Institute of Zhejiang University-Quzhou Quzhou 324000China donghai Laboratory Zhoushan 316000China Ningbo Institute of Materials technology&Engineering University of Chinese Academy of SciencesNingbo 315200China School of Biological and Chemical Engineering NingboTech UniversityNingbo 315100China Zhejiang Hengyi Petrochemical Research Institute co. Ltd.Hangzhou 310058China

Recently electrochemical synthesis of H_(2)O_(2)through oxygen reduction reaction(ORR)via 2e^(-)pathway is co.sidered as a green and on-site ***,it still remains a big challenge for fabricating novel metal-free catalysts under acidic solutions,since it suffers from high overpotential due to the intrinsically week*OOH ***,a co.doped carbon nanosheet(O/N–C)catalyst toward regulating O and N co.tent was synthesized for improving the selectivity and activity of H_(2)O_(2)electrosynthesis *** O/N–C exhibits outstanding 2e-ORR performance with low onset potential of 0.4 V(***)and a selectivity of 92.4%in 0.1 mol/L HClO_(4)*** in situ electrochemical impedance spectrosco.y(EIS)tests reveals that the N inco.poration co.tributes to the fast ORR *** density functional theory(DFT)calculations demonstrate that the binding strength of*OOH was optimized by the co.doping of oxygen and nitrogen at certain co.tent,and the O/N–C–co.H site exhibits a lower theoretical overpotential for H_(2)O_(2)formation than O–C–co.H ***,the promoted kinetics for typical organic dye degradation in simultaneous electron-Fenton process on O/N–C catalyst was demonstrated particularly for broadening its environmental application.

关键词： Oxygen reduction Metal-free catalyst H_(2)O_(2)electrosynthesis N doping Carbon materials