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Sun, C. (author), Liu, S.L. (author)In this study, we exploit the ?PIV (microscale particle image velocimetry) analysis to investigate the internal flow field of a dividing droplet in a bifurcating microchannel. Herein, droplets are generated by a flow focusing scheme and sent downstream toward an asymmetric bifurcation. In order to control the proportion of split droplets, we...conference paper 2013
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- Hashemifarahani, H. (author), Ditmar, P.G. (author), Inacio, P.M.G. (author), Klees, R. (author), Guo, J. (author), Guo, X. (author), Liu, X. (author), Zhao, Q. (author), Didova, O. (author), Ran, J. (author), Sun, Y. (author), Tangdamrongsub, N. (author), Gunter, B.C. (author), Riva, R.E.M. (author), Steele-Dunne, S.C. (author) conference paper 2014
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- Liu, T (author), Sun, L. (author) journal article 2016
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Liu, Tao (author), Sun, L. (author)In 1999 the State Council of the People’s Republic of China (PRC) introduced the Regulation on the Minimum Living Standard Scheme (MLSS, or dibao) for urban residents in China. Policy learning from different parts of the world significantly shaped the formation and expansion of the MLSS, and Chinese social policy researchers have drawn...journal article 2016
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Hashemi Farahani, H. (author), Ditmar, P.G. (author), Miragaia Gomes Inacio, P. (author), Engels, Olga (author), Gunter, B.C. (author), Klees, R. (author), Guo, X. (author), Guo, Jing (author), Sun, Y. (author), Liu, Xianglin (author), Zhao, Qile (author), Riva, R.E.M. (author)We present a high resolution model of the linear trend in the Earth’s mass variations based on DMT-2 (Delft Mass Transport model, release 2). DMT-2 was produced primarily from K-Band Ranging (KBR) data of the Gravity Recovery And Climate Experiment (GRACE). It comprises a time series of monthly solutions complete to spherical harmonic degree 120...journal article 2017
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Liu, Quantao (author), Li, Bin (author), Schlangen, E. (author), Sun, Yihan (author), Wu, Shaopeng (author)In this paper, steel slag/steel fiber composite asphalt mixture were prepared. The effects of the addition of steel slag and/or steel fibers on the mechanical, thermal, induction heating and healing properties of asphalt mixture were investigated. The results showed that adding steel slag and/or steel fibers improves the water stability,...journal article 2017
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Zhan, X. (author), Liu, Chuang (author), Zhou, Ge (author), Zhang, Zi-Ke (author), Sun, Gui-Quan (author), Zhu, Jonathan J. H. (author), Jin, Zhen (author)The interaction between disease and disease information on complex networks has facilitated an interdisciplinary research area. When a disease begins to spread in the population, the corresponding information would also be transmitted among individuals, which in turn influence the spreading pattern of the disease. In this paper, firstly, we...journal article 2018
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Liu, Nan (author), Liu, D. (author), Wang, Weifei (author), Hollmann, F. (author), Xu, Long (author), Ma, Yunjian (author), Yang, Bo (author), Bai, Weidong (author), Sun, Xiaotao (author), Wang, Yonghua (author)α‐Linolenic acid‐rich diacylglycerol has been demonstrated with promising health promotion functions. This study examined the production, immobilization of lipase PCL, and its application in the synthesis of diacylglycerol by esterification of α‐linolenic acid with glycerol. The resin ECR8806 was selected as an effective support for the...journal article 2018
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Liu, Yang (author), Zhang, H. (author), Wang, Lingen (author), Fan, Xuejun (author), Zhang, Kouchi (author), Sun, Fenglian (author)The microstructure, thickness, porosity, and shear performance of the silver (Ag) sintering layers under different sintering pressures were investigated. Experimental results demonstrated that the thickness and the porosity of the sintering layer decreased when the sintering pressure varied from 5 MPa to 30 MPa. This densification phenomenon...journal article 2018
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Zhang, H. (author), Liu, Yang (author), Wang, Lingen (author), Fan, Jiajie (author), Fan, Xuejun (author), Sun, Fenglian (author), Zhang, Kouchi (author)High reliable packaging materials are needed for electronics when they work at harsh environments. Among which, the nanosilver material has been widely studied and applied in power electronics due to its low processing temperature and high reliability. This paper investigates the bonding properties of nanosilver sintered hermetic cavity. There...journal article 2018
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Li, Shengli (author), Liu, Y. (author), Zhang, H. (author), Cai, Hongming (author), Sun, Fenglian (author), Zhang, Kouchi (author)In this study, SAC305 and SAC305-0.3Ni solder balls were soldered onto Cu, high temperature treated Cu (H-Cu) and graphene coated Cu (G-Cu) substrates, respectively. The microstructure, the interfacial reaction, and the hardness of the solder joints were investigated. The interfacial intermetallic compound (IMC) is Cu<sub>6</sub>Sn<sub>5</sub...journal article 2018
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Guo, Xiang (author), Zhao, Qile (author), Ditmar, P.G. (author), Sun, Yu (author), Liu, Jingnan (author)The Gravity Recovery And Climate Experiment (GRACE) mission has achieved a quantum leap in knowledge of the Earth's gravity field. However, current gravity field solutions still cannot reach the prelaunch baseline accuracy. One of the reasons for that is the presence of colored noise in GRACE data, which is typically ignored in the classical...journal article 2018
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Zhan, X. (author), Liu, Chuang (author), Sun, Gui-Quan (author), Zhang, Zi-Ke (author)Research on the interplay between the dynamics on the network and the dynamics of the network has attracted much attention in recent years. In this work, we propose an information-driven adaptive model, where disease and disease information can evolve simultaneously. For the information-driven adaptive process, susceptible (infected)...journal article 2018
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Lyu, X. (author), Liu, Huiqing (author), Pang, Zhanxi (author), Sun, Zhixue (author)Steam channeling, one serious problem in the process of steam flooding in heavy oil reservoir, decreases the sweep efficiency of steam to cause a lower oil recovery. Viscosity reducer and nitrogen foam, two effective methods to improve oil recovery with different mechanism, present a satisfactory result after steam flooding. In this article,...journal article 2018
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Sun, J. (author), Zhan, Teng (author), Liu, Zewen (author), Wang, Junxi (author), Yi, Xiaoyan (author), Sarro, Pasqualina M (author), Zhang, Kouchi (author)This paper demonstrates a method to reduce the decay time in AlGaN/GaN photodetectors by a pulsed heating mode. A suspended AlGaN/GaN heterostructure photodetector integrated with a micro-heater is fabricated and characterized under ultraviolet illumination. We have observed that the course of persistent photoconductivity was effectively...journal article 2019
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Sun, Y. (author), Kang, Xuanwu (author), Zheng, Yingkui (author), Lu, Jiang (author), Tian, Xiaoli (author), Wei, Ke (author), Wu, Hao (author), Wang, Wenbo (author), Liu, Xinyu (author), Zhang, Kouchi (author)Gallium nitride (GaN)-based vertical power Schottky barrier diode (SBD) has demonstrated outstanding features in high-frequency and high-power applications. This paper reviews recent progress on GaN-based vertical power SBDs, including the following sections. First, the benchmark for GaN vertical SBDs with different substrates (Si, sapphire, and...review 2019
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Hong, Hao (author), Sun, J. (author), Wu, Cinan (author), Liu, Zewen (author)High performance mixed potential type NO<sub>2</sub> sensors using porous yttria-stabilized zirconia (YSZ) layers doped with different concentration graphite as solid electrolyte and LaFeO<sub>3</sub> as sensing electrode were fabricated and characterized. LaFeO<sub>3</sub> was prepared by a typical citrate sol–gel method and characterized...journal article 2019
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Azizi, Sadegh (author), Sun, Mingyu (author), Liu, Gaoyuan (author), Popov, M. (author), Terzija, Vladimir (author)Short-circuit faults close to either end of a transmission line, are normally cleared instantaneously by the distance relay at that end and after hundreds of milliseconds, i.e., in Zone 2 operating time, by the relay at the opposite end of the line. This sequential tripping can be accelerated on condition that a reliable communication link is...journal article 2019
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Zhang, H. (author), Liu, Y. (author), Wang, Lingen (author), Sun, Fenglian (author), Fan, Jiajie (author), Placette, Mark D. (author), Fan, Xuejun (author), Zhang, Kouchi (author)Modern power electronics has the increased demands in current density and high-temperature reliability. However, these performance factors are limited due to the die attach materials used to affix power dies microchips to electric circuitry. Although several die attach materials and methods exist, nanosilver sintering technology has received...journal article 2019
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Liu, Y. (author), Zhang, H. (author), Wang, Lingen (author), Fan, Xuejun (author), Zhang, Kouchi (author), Sun, Fenglian (author)Purpose: Crack and stress distribution on dies are key issues for the pressure-assisted sintering bonding of power modules. The purpose of this research is to build a relationship among stress distributions, sintering sequences and sintering pressures during the sintering processes. Design/methodology/approach: Three sintering sequences, S(a)...journal article 2019