In the last decade, microwave methods have emerged in rapid and effective preparations of 2DMs for catalysis. Microwave heating offers several advantages namely direct, fast, selective heating and uniform reaction temperature compared to conventional heating methods, thus bringing about high-yield and high-purity products in minutes or … The Han dynasty (206 BCE – 220 CE) was the second imperial dynasty of China. It followed the Qin dynasty, which had unified the Warring States of China by conquest. It was founded by Liu Bang (Emperor Gaozu). [note 1] The dynasty is divided into two periods: the Western Han (206 BCE – 9 CE) and the Eastern Han (25–220 CE), interrupted ... Hangzhou is the political, economic, cultural, educational, transportation, and financial center of Zhejiang Province. The 2022 Asian Games will be held in Hangzhou. Recommended tour: 2-Day Hangzhou … ORCID record for Han Zhou. ORCID provides an identifier for individuals to use with their name as they engage in research, scholarship, and innovation activities. Dive into the research topics where Han Zhou is active. These topic labels come from the works of this person. Together they form a unique fingerprint. 1 Similar Profiles; Piezoelectric Ceramics Material Science 100%. Piezoelectric Property Material Science 100%. …Around 189, Dong Zhuo, the warlord who controlled the Han central government, appointed Kong Zhou as the Inspector ( 刺史) of Yu Province. In 190, Kong Zhou turned against Dong Zhuo and joined a coalition of warlords from the east of Hangu Pass in a military campaign to eliminate Dong Zhuo and free the central government from his control.Amanda Chou is a Taiwanese actress and singer. Born as Chou Xiao Han, she broke into entertainment through the popular online beauty show “Guess Guess Guess” and made her acting debut in the television drama “White Robe of Love” in 2006. She has since starred in many other popular dramas, including “I Do 2” (2014), “Two Fathers ...Nador (Tamazight: ⵏⴰⴷⵓⵔ) is a coastal city and provincial capital in the northeastern Rif region of Morocco with a population of about 161,726 (2014 census).. Nador city is …Scope of review: This review summarizes the relationship between ribosylation, protein aggregation, cell death and cognitive impairments. Major conclusion: D-ribose is active in glycation and induces protein aggregation, rapidly producing AGEs in vitro and in vivo. General significance: Ribosylation, leading to the production of significant ...Han Zhou, Yijing Sun, Zeyu Sun, Hengyang Zhao, and Sheldon X.-D. Tan. 2018. Electromigration-Lifetime Constrained Power Grid Optimization Considering Multi-Segment Interconnect Wires. In Proceedings of the 23rd Asia and South Pacific Design Automation Conference (ASP-DAC '18). IEEE Press, New York, NY, 399--404. Google …Han Zhou Ronghong Jin An m-shapedspoof surface plasmon polaritons (SSPPs) structure as well as its application into end fire antenna with vertical polarization, low profile and compact size are ...Apr 18, 2024 · The Han dynasty was the second great imperial dynasty of China (206 BCE–220 CE), after the Zhou dynasty (1046–256 BCE). It succeeded the Qin dynasty (221–207 BCE). The Han dynasty had a dominant effect on Chinese history and culture, and its governmental, cultural, and technological achievements were emulated by the dynasties that followed. The Western Zhou and the Eastern Zhou were ruled by the House of Ji; they are collectively known as the Zhou dynasty; The founder of the Eastern Zhou, the King Ping of Zhou, was a son of the last Western Zhou ruler, the King You of Zhou; Western Han, Eastern Han, Shu Han, and Liu SongHan Zhou 3D Printing of Artificial Leaf with Tunable Hierarchical Porosity for CO<sub>2</sub> Photoreduction. Chemistry of Materials 2018-02-13 | Journal article DOI: 10.1021/acs.chemmater.7b04313 Part of ISSN: 0897-4756 Part of ISSN: 1520-5002 Show more detail. Source ... Han Zhou Tongxiang Fan Solar conversion to fuels or to electricity in semiconductors using far red-to-near infrared (NIR) light, which accounts for about 40% of solar energy, is highly significant. Han Zhou is a Research Assistant 2 MS at Yale School of Medicine. Dean’s Advisory Council on Lesbian, Gay, Bisexual, Transgender, Queer and Intersex Affairs Website The Han dynasty was the second imperial dynasty of China (202 BCE – 220 CE), established by the rebel leader Liu Bang and ruled by the House of Liu. Preceded by the short-lived Qin dynasty (221–206 BCE) and a warring interregnum known as the Chu–Han contention (206–202 BCE), it was briefly interrupted by the Xin dynasty (9–23 CE) …Han Zhou · Shuwang Li · Wenjun Ying Received: date / Accepted: date Abstract This paper is concerned with the mean curvature flow, which de-scribes the dynamics of a hypersurface whose normal velocity is determined by local mean curvature. We present a Cartesian grid-based method for solving mean curvature flows in two and three space dimensions.2015 - 2016. Hi! I am Han Zhou and glad to meet you. I am currently studying the 3rd year of Business Administration at Monash University, major in Marketing & Business and plan for study the Master of Business Information System after graduated.<br><br> I am reliable at Product Development, Marketing Research and Project Management. <br> All ...The Han Dynasty (202 BCE - 220 CE) was the second dynasty of Imperial China (the era of centralized, dynastic government, 221 BCE - 1912 CE) which established the paradigm for all succeeding …Hi there, I am Zhanke Zhou, currently a second-year Ph.D. student at Trustworthy Machine Learning and Reasoning (TMLR) Group in the Department of Computer Science, Hong Kong Baptist University, advised by Dr. Bo Han, and work closely with Dr. Quanming Yao. My research interests lie in trustworthy machine reasoning with structural data and ...Apr 18, 2024 · The Han dynasty was the second great imperial dynasty of China (206 BCE–220 CE), after the Zhou dynasty (1046–256 BCE). It succeeded the Qin dynasty (221–207 BCE). The Han dynasty had a dominant effect on Chinese history and culture, and its governmental, cultural, and technological achievements were emulated by the dynasties that followed. Qing-Han Zhou. Water pollution has become one of the most concerned environmental issues on the worldwide scale. Due to the harmfulness of the heavy metal ions and microorganisms in wastewater ...Floquet Fractional Chern Insulators and Competing Phases in Twisted Bilayer Graphene. Peng-Sheng Hu, Yi-Han Zhou, Zhao Liu. We study the many-body physics in twisted bilayer graphene coupled to periodic driving of a circularly polarized light when electron-electron interactions are taken into account. In the limit of high driving …Single-cell analysis is a valuable tool for dissecting cellular heterogeneity in complex systems 1. However, a comprehensive single-cell atlas has not been achieved for humans. Here we use single-cell mRNA sequencing to determine the cell-type composition of all major human organs and construct a scheme for the human cell landscape (HCL).Single-cell analysis is a valuable tool for dissecting cellular heterogeneity in complex systems 1. However, a comprehensive single-cell atlas has not been achieved for humans. Here we use single-cell mRNA sequencing to determine the cell-type composition of all major human organs and construct a scheme for the human cell landscape (HCL).Xu-Hui Zhou, Jiequn Han, Heng Xiao, Computer Methods in Applied Mechanics and Engineering, 388, 114211 (2022). Income and wealth distribution in macroeconomics: A continuous-time approach, Yves Achdou, Jiequn Han, Jean-Michel Lasry, Pierre-Louis Lions, Benjamin Moll, The Review of Economic Studies, 89(1), 45–86 (2022).Han Zhou Communication Science Teaching Assistant. [email protected]. 608-263-3996. 6051 Vilas HallSingle-cell analysis is a valuable tool for dissecting cellular heterogeneity in complex systems 1. However, a comprehensive single-cell atlas has not been achieved for humans. Here we use single-cell mRNA sequencing to determine the cell-type composition of all major human organs and construct a scheme for the human cell landscape (HCL).H. Zhou and X. Ning conceived the research and design loop. Figures, tables, supplementary information, data preprocessing, feature selection and machine learning approach are prepared by H. Zhou; H. Zhou, B. Li, G. Fan and S. Li conducted the experiments; The manuscript was written by H. Zhou; X. Ning and M. Yu edited and …Advanced Materials, one of the world's most prestigious journals, is the home of choice for best-in-class materials science for more than 30 years.Han Zhou. Chalmers University of Technology. Verified email at chalmers.se - Homepage. ... H Zhou, JR Perez-Cisneros, S Hesami, K Buisman, C Fager. IEEE Transactions on …Finally, Han, Zhou, and Zhu (2016) isolate a trend factor in stock prices that greatly outperforms an otherwise correlated momentum factor, again, especially during recessions and for small stocks ...We examined and compared PM 2.5 concentrations in urban and the surrounding regions, and further investigated the impact of urbanization on urban PM 2.5 concentrations at the Chinese prefectures. Annual PM 2.5 concentrations in most prefectures were greater than 10 μg/m 3, the air quality guideline of the World Health …Han Zhou Tongxiang Fan Solar conversion to fuels or to electricity in semiconductors using far red-to-near infrared (NIR) light, which accounts for about 40% of solar energy, is highly significant.Dec 17, 2020 · Han Zhou, Yijing Sun, Zeyu Sun, Hengyang Zhao, and Sheldon X.-D. Tan. 2018. Electromigration-Lifetime Constrained Power Grid Optimization Considering Multi-Segment Interconnect Wires. In Proceedings of the 23rd Asia and South Pacific Design Automation Conference (ASP-DAC '18). IEEE Press, New York, NY, 399--404. Google Scholar Digital Library Gedeeld door Han Zhou. PhD Candidate in the EU GoGreen Project at the Amsterdam School of Heritage, Memory and Material Culture, University of Amsterdam. The research focus is on the investigation of historical treatment recipes on heritage objects to explore greener alternatives to current conservation methods.The Zhou Dynasty collapsed slowly, over a period of hundreds of years, as the feudal rulers of outlying provinces gained more authority. Eventually, these states acquired more power than the king, beginning a period of conflict that is known, appropriately, as the Warring States Period.This period lasted from about 475 BCE to 221 BCE, when the western …An Alternating Direction Implicit Method for Mean Curvature Flows. Han Zhou, Shuwang Li, Wenjun Ying. This paper is concerned with the mean curvature flow, which describes the dynamics of a hypersurface whose normal velocity is determined by local mean curvature. We present a Cartesian grid-based method for solving mean …Dec 15, 2022 · Wei Si 1 , Lele Xiong 2 , Han Zhou 3 , Huimin Wu 2 , Zhe Liu 1 , Guoqiang Liu 4 , Yanfang Liu 3 , Aijin Shen 5 , Xinmiao Liang 6 Affiliations 1 CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; University of Chinese Academy of Sciences ... Han Zhou Ronghong Jin An m-shapedspoof surface plasmon polaritons (SSPPs) structure as well as its application into end fire antenna with vertical polarization, low profile and compact size are ...Zhou, Han and Li, Boxin and Yu, Meng and Li, Song and Fan, Guanyu and Ning, Xiaohui, Accelerated Design of Electrodes for Liquid Metal Battery by Machine Learning.Biography. I am a second-year PhD student in Computation, Cognition, and Language (NLP) at Language Technology Lab, University of Cambridge. I am supervised by Prof. Anna Korhonen and Dr. Ivan Vulić. Previously, I …Han Zhou 3D Printing of Artificial Leaf with Tunable Hierarchical Porosity for CO<sub>2</sub> Photoreduction. Chemistry of Materials 2018-02-13 | Journal article DOI: 10.1021/acs.chemmater.7b04313 Part of ISSN: 0897-4756 Part of ISSN: 1520-5002 Show more detail. Source ...Dr. Zhou Lihan is the Co-founder and CEO of MiRXES. Dr. Zhou oversees MiRXES’s overall strategy and global operations, and has propelled the company into a leader in disease early detection. Prior to founding MiRXES, Dr. Zhou led a research team at the Bioprocessing Technology Institute, A*STAR to develop a novel microRNA (miRNA) …See all articles by Yufeng Han Yufeng Han. University of North Carolina (UNC) at Charlotte - Finance. Ai He. University of South Carolina - Darla Moore School of Business ... David and Zhou, Guofu, Cross-Sectional Expected Returns: New Fama-MacBeth Regressions in the Era of Machine Learning (April 28, 2023). Available at … 复旦大学. 学士 Economics. 2015 - 2019. ␥. View HAN ZHOU’s profile on LinkedIn, the world’s largest professional community. HAN has 4 jobs listed on their profile. See the complete profile on LinkedIn and discover HAN’s connections and jobs at similar companies. Han Zhou. Optical metasurfaces enable to engineer the electromagnetic space and control light propagation at an unprecedented level, offering a powerful tool to achieve modulation of light over ... Han Zhou, Wenjun Ying. This paper proposes a Cartesian grid-based boundary integral method for efficiently and stably solving two representative moving interface problems, the Hele-Shaw flow and the Stefan problem. Elliptic and parabolic partial differential equations (PDEs) are reformulated into boundary integral equations and are …Zhou Yu (Chinese: 周瑜, pronunciation ⓘ) (175–210), courtesy name Gongjin (Chinese: 公瑾), was a Chinese military general and strategist serving under the warlord Sun Ce in the late Eastern Han dynasty of China. After Sun Ce died in the year 200, he continued serving under Sun Quan, Sun Ce's younger brother and successor.Zhou Yu is primarily known …See all articles by Yufeng Han Yufeng Han. University of North Carolina (UNC) at Charlotte - Finance. Guofu Zhou. Washington University in St. Louis - John M. Olin Business School. ... Han, Yufeng and Zhou, Guofu and Zhu, Yingzi, A Trend Factor: Any Economic Gains from Using Information over Investment Horizons? (June 2016).Jul 1, 2020 · The Zhou Dynasty (1046-256 BCE) was among the most culturally significant of the early Chinese dynasties and the longest lasting of any in China 's history, divided into two periods: Western Zhou (1046-771 BCE) and Eastern Zhou (771-256 BCE). It followed the Shang Dynasty (c. 1600-1046 BCE), and preceded the Qin Dynasty (221-206 BCE, pronounced ... Han Zhou [email protected] State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240 China. E-mail: [email protected]; [email protected] Search for more papers by this author. Di Zhang, Di Zhang.Han Zhou Ubiquitin (UB) is transferred through an E1‐E2‐E3 cascade to cellular proteins and encodes diverse signals such as proteasome degradation, subcellular trafficking, interacting with ...Gillat av Han Zhou. Erfarenhet: Chalmers University of Technology · Plats: Göteborg · 500+ kontakter på LinkedIn. Visa Han Zhous profil på LinkedIn, ett yrkesnätverk med 1 miljard medlemmar.Xi-Han ZHOU | Cited by 5 | of Huazhong University of Science and Technology (hust) | Read 8 publications | Contact Xi-Han ZHOUXiao-Han Zhou, …, Yu-Jun Zheng. The art of phishing: past, present and future. Computer Fraud & Security, Volume 2019, Issue 4, 2019, pp. 9-11. Adam Binks. Cost-sensitive payment card fraud detection based on dynamic random forest and …Zhou Yi Ran, born in Chongqing, is a Chinese singer and actor. He made his debut in 2017 as a member of Yi'an Music Club, a cross-dimensional music group. However, in 2018, he announced that he would be leaving the group. He began his acting career in 2018 with a support role in the movie, "Go Brother!" and he landed his first lead role in the ... Han Zhou. Han Zhou co-leads the Energy practice for Boston Consulting Group in China. She is a leading expert in chemicals for BCG in Greater China, and a core member of BCG’s Industrial Goods, Operations, and Global Advantage practices. Han has worked extensively with multinational and Chinese companies to help them develop growth strategies ... Outer membrane vesicles (OMVs) are produced by Gram-negative bacteria both in vitro and in vivo.OMVs are nano-sized spherical vehicles formed by lipid bilayer membranes and contain multiple parent bacteria-derived components. Based on the presence of bacterial antigens, pathogen-associated molecular patterns (PAMPs), … Han Zhou 0001 — Hebei University of Technology, Institute of Mathematics, Tianjin, China (and 2 more) Han Zhou 0002 — University of California at Riverside, Department of Electrical and Computer Engineering, CA, USA. Han Zhou 0003 — McMaster University, Department of Electrical and Computer Engineering, Hamilton, Canada (and 1 more ... Han Zhou Wenjun Ying This paper proposes a Cartesian grid-based boundary integral method for efficiently and stably solving two representative moving interface problems, the Hele-Shaw flow and the ...Liked by Han Zhou. BD & Strategy @ Cargill Protein | Investing in Food & Ag Innovation · Experience: Cargill · Education: University of Minnesota - Carlson School of Management · Location ...NiO is a well-known hole transporting material (HTM) for hysteresis-free inverted perovskite solar cells (PSCs) due to its wide optical bandgap resulting in low absorption losses, and its high conduction band edge resulting in an efficient electron blocking effect. Nevertheless, the photovoltaic performanceResearch of piezoelectric ceramics via DLP technology has drawn considerable interest due to its high geometrical flexibility. However, the poor curing properties limit the use of DLP technology to fabricate piezoelectric ceramics.Herein, we overcome this challenge in prepared lead zirconate titanate (PZT) piezoelectric ceramics …Han Zhou; This study investigates the impact of oil price uncertainty on the cash holdings of firms. Using a sample of the Chinese stock market for the period from 2007 to 2016, our empirical ...Abstract. Since the first natural carbazole alkaloid, murrayanine, was isolated from Mwraya Spreng, carbazole alkaloid derivatives have been widely concerned for their anti-tumor, anti-viral and anti-bacterial activities. In recent decades, a growing body of data suggest that carbazole alkaloids and their derivatives have different biological ...Vessel XIN HANG ZHOU is a Container Ship, Registered in China. Discover the vessel's particulars, including capacity, machinery, photos and ownership. Get the details of the current Voyage of XIN HANG ZHOU including Position, Port Calls, Destination, ETA and Distance travelled - IMO 9523017, MMSI 414713000, Call sign BPKGIn recognition of the exemplary efforts of Carolyn Szum, Chao Ding, Nan Zhou, Xu Liu, Han Li to build important relationships with industry to advance the science of data-driven, remote building energy analysis to improve building energy efficiency at speed and scale worldwide. Related Links: Chao Ding. Han Li.View Han Zhou’s profile on LinkedIn, the world’s largest professional community. Han has 5 jobs listed on their profile. See the complete profile on LinkedIn and discover Han’s connections ...Recently, Han, Yang, and Zhou (2013) show that the MAs can generate substantial alphas in the cross-section of stock returns, and Neely, Rapach, Tu, and Zhou (2014) find that technical indicators, primarily the MAs, have forecasting power on the stock market matching or exceeding that of macroeconomic variables. The long interval of power struggle that followed (475–221 bce) is known as the Zhanguo ( Warring States) period. China - Ancient Dynasties, Rituals, Oracle Bones: The name Zhou appears often in the oracle bone inscriptions of the Shang kingdom, sometimes as a friendly tributary neighbor and at other times as a hostile one. View Han Zhou’s profile on LinkedIn, the world’s largest professional community. Han has 5 jobs listed on their profile. See the complete profile on LinkedIn and discover Han’s connections ...Han ZHOU | Cited by 807 | of Cardiff University, Cardiff (CU) | Read 86 publications | Contact Han ZHOUThe Xia–Shang–Zhou Chronology Project (Chinese: 夏商周断代工程; pinyin: Xià Shāng Zhōu Duàndài Gōngchéng) was a multi-disciplinary project commissioned by the People's Republic of China in 1996 to determine with accuracy the location and time frame of the Xia, Shang, and Zhou dynasties.. The project was directed by professor Li Xueqin of …Han Zhou. Optical metasurfaces enable to engineer the electromagnetic space and control light propagation at an unprecedented level, offering a powerful tool to achieve modulation of light over ... In 403 BC, the Zhou court recognized Han, Zhao, and Wei as fully independent states. In 344, Duke Hui of Wei was the first to claim the title of "king" for himself. Others followed, marking a turning point, as rulers did not even entertain the pretense of vassalage of the Zhou court, instead proclaiming themselves fully independent kingdoms. Han Zhou; This study investigates the impact of oil price uncertainty on the cash holdings of firms. Using a sample of the Chinese stock market for the period from 2007 to 2016, our empirical ...
The Han dynasty. The Han dynasty was founded by Liu Bang (best known by his temple name, Gaozu ), who assumed the title of emperor in 202 bce. Eleven members of the Liu family followed in his place as effective emperors until 6 ce (a 12th briefly occupied the throne as a puppet). In 9 ce the dynastic line was challenged by Wang Mang, who ... . Curso de ingles
The Han dynasty was the second imperial dynasty of China (202 BCE – 220 CE), established by the rebel leader Liu Bang and ruled by the House of Liu. Preceded by the short-lived Qin dynasty (221–206 BCE) and a warring interregnum known as the Chu–Han contention (206–202 BCE), it was briefly interrupted by the Xin dynasty (9–23 CE) …View Han Zhou’s profile on LinkedIn, the world’s largest professional community. Han has 5 jobs listed on their profile. See the complete profile on LinkedIn and discover Han’s connections ...Qing-Han Zhou. Water pollution has become one of the most concerned environmental issues on the worldwide scale. Due to the harmfulness of the heavy metal ions and microorganisms in wastewater ...Han Zhou Shaowei Li A modified level set method with multi-levels was developed to simulate the breakup behavior of multi-droplets in the turbulent flow of a pulsed disc and doughnut column.Liked by Lihan Zhou. View Lihan Zhou’s profile on LinkedIn, the world’s largest professional community. Lihan has 5 jobs listed on their profile. See the complete profile on LinkedIn and discover Lihan’s connections and jobs at similar companies.Biography. I am a second-year PhD student in Computation, Cognition, and Language (NLP) at Language Technology Lab, University of Cambridge. I am supervised by Prof. Anna Korhonen and Dr. Ivan Vulić. Previously, I …Han Zhou. PhD Student. Department of Energy Conversion and Storage. Anker Engelunds Vej. Building 301 Room 147. 2800 Kgs. Lyngby. Danmark. [email protected]. Technical University of Denmark Address. Anker Engelunds Vej 101 2800 Kongens Lyngby CVR-nr. 30 06 09 46. Shortcuts. PhonebookHan dynasty, the second great imperial dynasty of China (206 BCE–220 CE), after the Zhou dynasty (1046–256 BCE). So thoroughly did the Han dynasty establish what was thereafter considered Chinese …The Western Zhou and the Eastern Zhou were ruled by the House of Ji; they are collectively known as the Zhou dynasty; The founder of the Eastern Zhou, the King Ping of Zhou, was a son of the last Western Zhou ruler, the King You of Zhou; Western Han, Eastern Han, Shu Han, and Liu SongPortfolio site of Singaporean Photographer & Artist, Zhou HanShun. top of page. ZHOU HANSHUN. PHOTOGRAPHER & ARTIST. PROJECTS. 上海 Once Upon The Sea (2012 – 2019) Frenetic City (2014 – 2019) Ubin (2021) 7th Month Populace (2019 – ) The 7th Month (2018 – 2021) Abandoned Gods (2019)See all articles by Yufeng Han Yufeng Han. University of North Carolina (UNC) at Charlotte - Finance. Ai He. University of South Carolina - Darla Moore School of Business ... David and Zhou, Guofu, Cross-Sectional Expected Returns: New Fama-MacBeth Regressions in the Era of Machine Learning (April 28, 2023). Available at …Han dynasty, the second great imperial dynasty of China (206 BCE–220 CE), after the Zhou dynasty (1046–256 BCE). So thoroughly did the Han dynasty establish what was thereafter considered Chinese …Nov 20, 1991 · Liked by Han Zhou. BD & Strategy @ Cargill Protein | Investing in Food & Ag Innovation · Experience: Cargill · Education: University of Minnesota - Carlson School of Management · Location ... Han Zhou synes godt om dette. ₹. My academic journey began with an undergraduate degree in composites and a thesis on graphene/fluorocarbon composite coatings. During this time, I honed my skills in material testing and characterization and gained valuable experience in material preparation and analysis. My master's degree further solidified ...Zhou HAN, Associate Principle Scientist | Cited by 1,232 | | Read 21 publications | Contact Zhou HANXu-Hui Zhou, Jiequn Han, Heng Xiao, Computer Methods in Applied Mechanics and Engineering, 388, 114211 (2022). Income and wealth distribution in macroeconomics: A continuous-time approach, Yves Achdou, Jiequn Han, Jean-Michel Lasry, Pierre-Louis Lions, Benjamin Moll, The Review of Economic Studies, 89(1), 45–86 (2022).Maoxiang Zhou, Aiqin Wang & Tao Zhang Physical Sciences and Engineering Division, KAUST Catalysis Center, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia Yu Han.