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Ding, Ming (author), Zhou, Zhihao (author), Liu, Yao-Hong (author), Traferro, Stefano (author), Bachmann, Christian (author), Philips, Kathleen (author), Sebastiano, F. (author)
A 40-nm CMOS wakeup timer employing a bang-bang digital-intensive frequency-locked loop for Internet-of-Things applications is presented. A self-biased ΣΔ digitally controlled oscillator (DCO) is locked to an RC time constant via a single-bit chopped comparator and a digital loop filter. Such highly digitized architecture fully exploits the...
journal article 2018
document
Zhou, Rongfu (author), Lin, Litian (author), Liu, Chunmeng (author), Dorenbos, P. (author), Tao, Ye (author), Huang, Yan (author), Liang, Hongbin (author)
structure with the Pnma group by Rietveld refinement, and the temperature...
journal article 2018
document
Zhou, C. (author), Liu, X. (author), Apostolidis, P. (author), Scarpas, Athanasios (author), He, Liang (author)
Low temperature asphalt (LTA) technologies, such as warm-mixed asphalt mixes, are utilized in the paving industry to lower energy demands and greenhouse gas emissions during asphalt mixing and pavement construction. However, the asphalt mixes developed that incorporate LTA additives are more sensitive than hot-mixed asphalts to temperature...
journal article 2018
document
Zhang, Xiang Yu (author), Fang, Gang (author), Xing, Lei Lei (author), Liu, Wei (author), Zhou, J. (author)
Functionally graded scaffold (FGS) is designed to mimic the morphology, mechanical and biological properties of natural bone closely. Porosity variation strategy between different regions in FGS plays a crucial role in influencing its mechanical and biological performance. A combination of modeling tool and scripting language can effectively...
journal article 2018
document
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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Zhou, Zhengzheng (author), Smith, James A. (author), Yang, Long (author), Baeck, Mary Lynn (author), Chaney, Molly (author), ten Veldhuis, J.A.E. (author), Deng, Huiping (author), Liu, Shuguang (author)
) in the Charlotte Metropolitan region. These watersheds have experienced extensive urbanization and suburban development since the 1960s. The objective of this study is to develop a...
journal article 2017
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Liu, Yang (author), Wu, Yuanhao (author), Bian, Dong (author), Gao, Shuang (author), Leeflang, M.A. (author), Guo, Hui (author), Zheng, Yufeng (author), Zhou, J. (author)
Novel Mg-(3.5, 6.5wt%)Li-(0.5, 2, 4wt%)Zn ternary alloys were developed as new kinds of biodegradable metallic materials with potential for stent application. Their mechanical properties, degradation behavior, cytocompatibility and hemocompatibility were studied. These potential biomaterials showed higher ultimate tensile strength than...
journal article 2017
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Zhou, C. (author), Liu, X. (author), Apostolidis, P. (author)
Low Temperature Asphalt (LTA) technologies are utilized in asphalt pavement industry to lower energy demands and greenhouse gas emission during mixing and construction processes. Although these technologies are currently available and hope to demonstrate similar performance with Hot Mix Asphalt (HMA) mixes, LTA shows more sensitive than HMA to...
conference paper 2017
document
Zhou, Yan (author), Zlatanova, S. (author), Wang, Zhe (author), Zhang, Yeting (author), Liu, L. (author)
Video surveillance systems are increasingly used for a variety of 3D indoor applications. We can analyse human behaviour, discover and avoid crowded areas, monitor human traffic and so forth. In this paper we concentrate on use of surveillance cameras to track and reconstruct the path a person has followed. For the purpose we integrated video...
journal article 2016
document
Li, Chuanrong (author), Zhou, Mei (author), Liu, Menghua (author), Ma, Lian (author), Wang, J. (author)
Concealed cars extraction from point clouds data acquired by airborne laser scanning has gained its popularity in recent years. However, due to the occlusion effect, the number of laser points for concealed cars under trees is not enough. Thus, the concealed cars extraction is difficult and unreliable. In this paper, 3D point cloud...
journal article 2016
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Liu, Y. (author), Visser, P. (author), Zhou, X. (author), Lyon, S.B. (author), Hashimoto, T. (author), Curioni, M. (author), Gholinia, A. (author), Thompson, G.E. (author), Smyth, G. (author), Gibbon, S.R. (author), Graham, D. (author), Mol, J.M.C. (author), Terryn, H.A. (author)
An investigation into corrosion inhibition properties of a primer coating containing lithium carbonate as corrosion inhibitive pigment for AA2024 aluminum alloy was conducted. It was found that, during neutral salt spray exposure, a protective film of about 0.2 to 1.5 ?m thickness formed within the area where an artificial defect was introduced...
journal article 2015
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Tao, Y. (author), Gao, D.W. (author), Wang, H.Y. (author), Zhang, X. (author), Ghasimi, S.M.D. (author), Ozgun, H. (author), Ersahin, M.E. (author), Zhou, Z.B. (author), Liu, G. (author), Temudo, M.F. (author), Kloek, J. (author), Spanjers, H. (author), De Kreuk, M.K. (author), Van Lier, J.B. (author)
conference paper 2014
document
Zhou, Y.L. (author), Ma, S.Y. (author), Liu, R.S. (author), Luehr, H. (author), Doornbos, E. (author)
The controls of merging electrical field, Em, and IMF (interplanetary magnetic field) magnitude, B, on the storm-time changes in upper thermospheric mass density are statistically investigated using GRACE accelerometer observations and the OMNI data of solar wind and IMF for 35 great storms during 2002–2006. It reveals the following: (1) The...
journal article 2013
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