Search Results - "Ma, Z. Y."

Recent Advances in Friction Stir Welding/Processing of Aluminum Alloys: Microstructural Evolution and Mechanical Properties by Ma, Z. Y., Feng, A. H., Chen, D. L., Shen, J.

“…Friction stir welding (FSW), a highly efficient solid-state joining technique, has been termed as "green" technology due to its energy efficiency and…”
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Experimental Evidence on the Dependence of the Standard GPS Phase Scintillation Index on the Ionospheric Plasma Drift Around Noon Sector of the Polar Ionosphere by Wang, Y., Zhang, Q.‐H., Jayachandran, P. T., Moen, J., Xing, Z.‐Y., Chadwick, R., Ma, Y.‐Z., Ruohoniemi, J. M., Lester, M.

“…First experimental proof of a clear and strong dependence of the standard phase scintillation index (σφ) derived using Global Positioning System measurements…”
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Tunable cavity optomechanics with ultracold atoms by Purdy, T P, Brooks, D W C, Botter, T, Brahms, N, Ma, Z-Y, Stamper-Kurn, D M

“…We present an atom-chip-based realization of quantum cavity optomechanics with cold atoms localized within a Fabry-Perot cavity. Effective subwavelength…”
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Simulations for single-dish intensity mapping experiments by Bigot-Sazy, M.-A., Dickinson, C., Battye, R. A., Browne, I. W. A., Ma, Y.-Z., Maffei, B., Noviello, F., Remazeilles, M., Wilkinson, P. N.

“…H i intensity mapping is an emerging tool to probe dark energy. Observations of the redshifted H i signal will be contaminated by instrumental noise,…”
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A comparison between large‐scale irregularities and scintillations in the polar ionosphere by Wang, Y., Zhang, Q.‐H., Jayachandran, P. T., Lockwood, M., Zhang, S.‐R., Moen, J., Xing, Z.‐Y., Ma, Y.‐Z., Lester, M.

“…A comparison tool has been developed by mapping the global GPS total electron content (TEC) and large coverage of ionospheric scintillations together on the…”
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Friction stir welding and processing by Mishra, R.S., Ma, Z.Y.

“…Friction stir welding (FSW) is a relatively new solid-state joining process. This joining technique is energy efficient, environment friendly, and versatile…”
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Inflammatory cytokines IL-6, IL-10, IL-13, TNF-α and peritoneal fluid flora were associated with infertility in patients with endometriosis by Wang, X-M, Ma, Z-Y, Song, N

“…To investigate the correlations of inflammatory factors, interleukin-6 (IL-6), IL-10, IL-13 and tumor necrosis factor-α (TNF-α), and composition of bacterial…”
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Polar cap hot patches: Enhanced density structures different from the classical patches in the ionosphere by Zhang, Q.‐H., Ma, Y.‐Z., Jayachandran, P. T., Moen, J., Lockwood, M., Zhang, Y.‐L., Foster, J. C., Zhang, S.‐R., Wang, Y., Themens, D. R., Zhang, B.‐C., Xing, Z. Y.

“…Based on in situ and ground‐based observations, a new type of “polar cap hot patch” has been identified that is different from the classical polar cap enhanced…”
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Dependencies of GPS Scintillation Indices on the Ionospheric Plasma Drift and Rate of Change of TEC Around the Dawn Sector of the Polar Ionosphere by Wang, Y., Jayachandran, P. T., Ma, Y.‐Z., Zhang, Q.‐H., Xing, Z.‐Y., Ruohoniemi, J. M., Shepherd, S. G., Lester, M.

“…The dependencies of global positioning system (GPS) scintillation indices on ionospheric plasma flow and the rate of change of total electron content (TEC)…”
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Impact of simulated 1/f noise for HI intensity mapping experiments by Harper, S E, Dickinson, C, Battye, R A, Roychowdhury, S, Browne, I W A, Ma, Y-Z, Olivari, L C, Chen, T

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The Dependence of Cold and Hot Patches on Local Plasma Transport and Particle Precipitation in Northern Hemisphere Winter by Zhang, Duan, Zhang, Qing‐He, Ma, Y.‐Z., Oksavik, Kjellmar, Lyons, L. R., Xing, Zan‐Yang, Hairston, Marc, Deng, Z.‐X., Liu, J.‐J.

“…By using a database of 4,634 cold patches (high density and low electron temperature) and 4,700 hot patches (high density and high electron temperature) from…”
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Solar and Geomagnetic Activity Impact on Occurrence and Spatial Size of Cold and Hot Polar Cap Patches by Zhang, Duan, Zhang, Qing‐He, Ma, Y.‐Z., Oksavik, Kjellmar, Lyons, L. R., Zhang, Y.‐L., Nanan, Balan, Xing, Z.‐Y., Liu, Jing, Hairston, Marc, Wang, X.‐Y.

“…This paper is a statistical survey of polar cap patches in relation to solar and geomagnetic activity. Ten thousand six hundred eighty‐eight patches have been…”
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Friction Stir Processing Technology: A Review by Ma, Z.Y.

“…Friction stir processing (FSP), developed based on the basic principles of friction stir welding (FSW), a solid-state joining process originally developed for…”
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Polar Ionospheric Large‐Scale Structures and Dynamics Revealed by TEC Keogram Extracted From TEC Maps by Wang, Y., Zhang, Q.‐H., Ma, Y.‐Z., Jayachandran, P. T., Xing, Z.‐Y., Balan, N., Zhang, S.‐R.

“…A method named total electron content (TEC) keogram is introduced for surveying the large‐scale irregularities continuously in the polar ionosphere. The TEC…”
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The Association between Tea Consumption and the Risk of Fracture: A Dose—Response Meta-Analysis of Prospective Cohort Studies by Xia, S.-L., Ma, Z.-Y., Wang, B., Guo, S.-Y., Zhou, X.-X., Gao, Feng

“…Objectives Inconsistent results exist on the role of tea consumption on subsequent risk of fracture. A dose-response metaanalysis was therefore conducted to…”
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Observations and modeling of ionospheric scintillations at South Pole during six X‐class solar flares in 2013 by Priyadarshi, S., Zhang, Q.‐H., Ma, Y.‐Z., Wang, Y., Xing, Z.‐Y.

“…Using two B‐spline basis functions of degree 4 and the ionospheric scintillation data from a Global Positioning Satellite System (GPS) scintillation receiver…”
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Friction stir processing: a novel technique for fabrication of surface composite by Mishra, R.S, Ma, Z.Y, Charit, I

“…A novel surface modifying technique, friction stir processing (FSP), has been developed for fabrication of surface composite. Al–SiC surface composites with…”
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Antarctica SED/TOI associated ionospheric scintillation during 27 February 2014 geomagnetic storm by Priyadarshi, S., Zhang, Q.-H., Ma, Y.-Z.

“…A geomagnetic storm occurred on 27 February 2014 and the shock related to it arrived at Earth’s magnetosphere at ∼17:00 UT. Dayside cusp region scintillation…”
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Effects of Rotation Rates on Microstructure, Mechanical Properties, and Fracture Behavior of Friction Stir-Welded (FSW) AZ31 Magnesium Alloy by Yang, J., Wang, D., Xiao, B. L., Ni, D. R., Ma, Z. Y.

“…Three rotation rates were selected for friction stir welded (FSW) rolled AZ31 plates, at a constant welding speed of 100 mm/minutes. As the rotation rate was…”
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Microstructural and mechanical characteristics of in situ metal matrix composites by Tjong, S.C, Ma, Z.Y

“…During the past decade, considerable research effort has been directed towards the development of in situ metal matrix composites (MMCs), in which the…”
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