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| 1 | Optimized pre-treatment of high strength food waste digestate by high content aluminum-nanocluster based magnetic coagulation显示文摘Coagulation-based pre-treatment efficiency of high strength digestate of food waste(HSDFW) anaerobic digestion is negated by organic ligand-catalyzed decomposition of coagulants. In this study, an efficient HSDFW pre-treatment method, magnetic seeds(MS) coagulation, was employed by using highly stable Keggin Al_(30) nanocluster(PAC_(30)), MS and polyacrylamide(PAM), and its operation was optimized by evaluating the performance of removing turbidity, total suspended solids(TSS), chemical oxygen demand(COD), and total phosphorous(TP) phosphate. Results showed that at the optimum dosage of 4.82 g/L, PAC_(30) demonstrated excellent removals as high as 98.93% ± 0.1% of turbidity, 98.04% ± 0.1% of TSS, 58.28% ± 0.3% of total COD, 99.98% ± 0.01% of TP and 99.50% ± 0.01% of dissolved phosphate, respectively. Apparent molecular weight(AMW) and three-dimensional excitation-emission matrix(3 D-EEM) fluorescence spectroscopy analyses demonstrated more efficient removal of dissolved organic matter(DOM), particularly non-biodegradable and hydrophobic components by PAC_(30) than commercial coagulant. The sedimentation was much improved from 40 min by coagulation/flocculation to about 5 min settling by MS coagulation. The PAC_(30) based magnetic coagulation(MC) presents theoretical guidance on a cost-effective and much less footprint pre-treatment alternative for high strength wastewater. | Tharindu Ritigala Hailu Demissie Yanlin Chen Jiaxi Zheng Libing Zheng Jinxing Zhu Hua Fan Jiao Li Dongsheng Wang Sujithra KWeragoda Rohan Weerasooriya Yuansong Wei | 2021 | Journal of Environmental Sciences2021，33，6： | 4 |
| 2 | High-performance fiber-integrated multifunctional graphene-optoelectronic device with photoelectric detection and optic-phase modulation显示文摘In graphene-based optoelectronic devices,the ultraweak interaction between a light and monolayer graphene leads to low optical absorption and low responsivity for the photodetectors and relative high half-wave voltage for the phase modulator.Here,an integration of the monolayer graphene onto the side-polished optical fiber is demonstrated,which is capable of providing a cost-effective strategy to enhance the light–graphene interaction,allowing us to obtain a highly efficient optical absorption in graphene and achieve multifunctions:photodetection and optical phase modulation.As a photodetector,the device has ultrahigh responsivity(1.5×10^(7) A/W)and high external quantum efficiency(>1.2×10^(9)%).Additionally,the polybutadiene/polymethyl methacrylate(PMMA)film on the graphene can render the device an optical phase modulator through the large thermo-optic effect of the PMMA.As a phase modulator,the device has a relatively low half-wave voltage of 3 V with a 16 dB extinction ratio in Mach–Zehnder interferometer configuration. | LINQING ZHUO PENGPENG FAN SHUANG ZHANG YUANSONG ZHAN YANMEI LINYU ZHANG DONGQUAN LI ZHEN CHE WENGUO ZHU HUADAN ZHENG JIEYUAN TANG JUN ZHANG YONGCHUN ZHONG WENXIAO FANG GUOGUANG LU JIANHUI YU ZHE CHEN | 2020 | Photonics Research2020，8，12： | 3 |
| 3 | Analysis of contact melting around a horizontal elliptical cylinder heat source显示文摘The process of DT-driven contact melting of the solid phase change material (PCM) around a horizontal elliptical cylinder heat source is analyzed. Aiming at the problem existed in the published literature, namely the thickness of boundary layer tends to be infinite at φ= 90°, and considering the difference of normal angle between the horizontal elliptical cylinder surface and the solid-liquid interface of PCM, a new mathematic model is proposed, and the fundamental equations for the melting process are derived with the film theory. The new pressure distribution inside the boundary layer, the variation law of normal angle of the solid-liquid interface, the thickness of the boundary layer and the relationship between the melting velocity and resultant force are obtained. The solutions of the fundamental equations under different elliptical compression coeffcients are analyzed and discussed. It is found that the thickness of the boundary layer obtained by the new model is a finite value and accords with the experimental result at φ = 90°. | Miao Gong Wenzhen Chen Yuansong Zhao Bo Zhu Fengrui Sun | 2008 | Progress in Natural Science:Materials International2008，18，4： | 2 |
| 4 | Elastic impact on finite Timoshenko beam 显示文摘 | Xing Yufeng Qiao Yuansong Zhu Dechao | 2002 | Acta Mechanica Sinica (English Series)2002，18，3： | 1 |
| 5 | Genesis of S-type Granites in the Pengshan Sn-polymetallic Ore Field, Northern Jiangxi Province and its Implications显示文摘The Pengshan Sn-polymetallic ore field is located in the southeastern part of the Yangtze block,spanning the southeast edge of the MLYDZ and the northern edge of the mid-segment of the Jiangnan Uplift,and on one side of the MLYDZ.The studies of LA-ICP-MS zircon U-Pb chronology and petrogeochemistry for Early Cretaceous acid granites from the Pengshan ore field were carried out in this paper.We report zircon U-Pb geochronology and whole-rock geochemistry for acid granites in the Pengshan ore field.The zircon U-Pb ages of the muscovite-granite,biotite adamellite and granite-porphyry are 127.6±1.7 Ma,126.9±1.6 Ma and 126.6±2.0 Ma,respectively.The granites in Pengshan are characterized by a high silicon content and are rich in alkali.They belong to high-potassium,calc-alkaline,peraluminous granite.The rocks have a relatively high Rb/Ba ratio,and the data points for muscovite-granite and biotite adamellite all fall within the clay-rich sources region,near the pelite-derived end-member,showing that the Pengshan muscovite-granite and biotite adamellite mainly originated from the partial melting of metapelites with high maturity.The transformation of the compressional and extensional tectonics in this region approximately 128 Ma obviously lags behind that in the mid-segment of the Jiangnan Uplift(135 Ma),but occurred earlier than the MLYDZ(126 Ma).The Pengshan ore field extends from the mid-segment of the Jiangnan Uplift to the MLYDZ.Although the tectonic stress field is constrained by the combination of the two secondary tectonic units,the time of tectonic system transformation is closer to the MLYDZ because the spatial orientation of the area is enclosed in the MLYDZ.Relevant geophysical and drilling data confirm the rationality of Pengshan-Ao'xia as a multi-center vertical zoning ore field,and show the scientificity of the prospecting idea of abutting joint between the north-west of Pengshan area and the south-east of Ao'xia area. | YIN Qingqing XIANG Xinkui YU Zhendong YANG Xiufeng WANG Tianchen ZHONG Bo TAN Rong LIAO Jianhai ZHU Yuansong | 2020 | Acta Geologica Sinica(English Edition)2020，94，6： | 0 |
| 6 | Analysis of melting driven by friction and temperature difference under sliding plate显示文摘融化阶段变化材料的过程的接触(在一个帮助盘子下面的脉冲编码调制,被磨擦和温度差别驾驶在,被学习。由使用电影理论,为融化的过程的基本方程是 deHved。边界层,在边界层内的压力分发和脉冲编码调制的集体融化率的厚度也与 numericsl 方法被获得。它被发现那(i) 温度差别越大,边界层的厚度和集体融化率是越多 larger,并且越多 asynrnetric 压力分发;(2 ) 滑动速度越快,集体融化率是越多 larger,并且越多对称,边界层的厚度是的 flatter 压力 disfribution 是;(3 ) 融化由磨擦和温度差别一起驾驶的接触的结果不能被磨擦和温度差别分别地驾驶的那些的增加获得。 | CHEN Wenzhen ZHAO Yuansong SUN Fengrui ZHU Bo GONG Miao | 2007 | Progress in Natural Science:Materials International2007，17，3： | 0 |
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