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| 1 | Optimization of microwave-assisted extraction of bioactive alkaloids from lotus plumule using response surface methodology显示文摘In this work,a fast and efficient microwave-assisted extraction(MAE) method was developed to extract main bioactive alkaloids from lotus plumue.To optimize MAE conditions,three main factors were selected using univariate approach experiments,and then central composite design(CCD).The optimal extraction conditions were as follows:methanol concentration of 65%,microwave power of 200 W,and extraction time of 260 s.A high performance liquid chromatography–diode array detector(HPLC–DAD) method was established to quantitatively analyze these phytochemicals in different lotus plumule samples and in different part of lotus.Chromatographic separation was carried out on an Agilent Zorbax Extend-C_(18) column(4.6 mm×150 mm,3.5 μm).Gradient elution was applied with the mobile phase constituted with 0.1% triethylamine in water(A)and acetonitrile(B):40%-70% B at 0-8 min,70%-100% B at 8–9 min,100% B for 2 min,and then equilibrated with 40% B for 2 min. | Wei Xiong Xianqiang Chen Guangping Lv Dejun Hu Jing Zhao Shaoping Li | 2016 | Journal of Pharmaceutical Analysis2016，6，6： | 3 |
| 2 | Numerical Simulation on Irregular Shrinkage of Initial Shell in Continuous Casting of Steel显示文摘BothresearchresultsandinduStrialoperationshaveshownthat,Whencastingsteelgradeswiththemassfractionofcarbonwearound0.I%,thetendencyofproducings^edefects,suchasdepressionandlongitUdinalcrack,isthehighest[I--3].Thesesurfacedefectsaregenerallyresultedinby... | Dejun Jing Kaike Cai(Metallurgy School, University of Science and Technology Beijing, Beijing 100083, China) | 1999 | International Journal of Minerals,Metallurgy and Materials1999，13，2： | 1 |
| 3 | Effects of Sn dopant on the photoinduced charge property and photocatalytic activity of TiO 2 nanoparticles显示文摘 | Jing Liqiang Fu Honggang Wang Baiqi Wang Dejun Xin Baifu Li Shudan Sun Jiazhong | 2005 | Applied Catalysis B Environmental2005，，3： | 1 |
| 4 | Effects of noble metal modification on surface oxygen composition, charge separation and photocatalytic activity of ZnO nanoparticles显示文摘 | Jing Liqiang Wang Dejun Wang Baiqi Li Shudan Xin Baifu Fu Honggang Sun Jiazhong | 2005 | Journal of Molecular Catalysis A Chemical2005，，1： | 1 |
| 5 | Comparison of polysaccharides from two species of Ganoderma显示文摘 | XIE Jing ZHAO Jing HU Dejun | 2012 | Molecules2012，17，1： | 1 |
| 6 | Electrolyte induced synergistic construction of cathode electrolyte interphase and capture of reactive free radicals for safer high energy density lithium-ion battery显示文摘As the energy density of battery increases rapidly,lithium-ion batteries(LIBs)are facing serious safety issue with thermal runaway,which largely limits the large-scale applications of high-energy-density LIBs.It is generally agreed that the chemical crosstalk between the cathode and anode leads to thermal runaway of LIBs.Herein,a multifunctional high safety electrolyte is designed with synergistic construction of cathode electrolyte interphase and capture of reactive free radicals to limit the intrinsic pathway of thermal runaway.The cathode electrolyte interphase not only resists the gas attack from the anode but suppresses the parasitic side reactions induced by electrolyte.And the function of free radical capture has the ability of reducing heat release from thermal runaway of battery.The dual strategy improves the intrinsic safety of battery prominently that the triggering temperature of thermal runaway is increased by 24.4℃and the maximum temperature is reduced by 177.7℃.Simultaneously,the thermal runaway propagation in module can be self-quenched.Moreover,the electrolyte design balances the trade-off of electrochemical and safety performance of high-energy batteries.The capacity retention of LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)|graphite pouch cell has been significantly increased from 53.85%to 97.05%with higher coulombic efficiency of 99.94%at operating voltage extended up to 4.5 V for 200 cycles.Therefore,this work suggests a feasible strategy to mitigate the safety risk of high-energy-density LIBs without sacrificing electrochemical performances. | Mengfei Ding Xuning Feng Yong Peng Jing Jing Tong Bowen Hou Yalan Xing Weifeng Zhang Li Wang Yu Wu Jiabin Lv Chunyan Luo Dejun Xiong Shichao Zhang Minggao Ouyang | 2023 | Journal of Energy Chemistry2023，，12： | 0 |
| 7 | The research of near field acoustical holographic imaging method显示文摘This paper reviews the theoretical analysis of the imaging method andcharacteristic of the Nearfield Acoustical Holography(NAH).We present anew filtering method,least squares method for filtering with restraint,whichimproves the stability of the reconstruction.The computer simulation experi-ment for the vibration and radiation of a round plate by means of the numericalmethod of NAH has been done and the effect of the new filtering method hasbeen verified.The NAH imaging of radiation of a small loudspeaker using ascanning linear receiving array of 32 elements has been made and the prelimina-ry results are given in the paper. | ZHANG Dejun, XIA Xianhua, YAN Jing CHENG Jianzheng, WANG Qun, ZHU Nianqiu(Wuhan Institute of Physics, Chinese Academy of Sciences, Wuhan, 430071) | 1993 | Chinese Journal of Acoustics1993，12，1： | 0 |
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