Results 1 to 10 of about 164,557 (296)

From Aquifer to Tap: Comprehensive Quali-Quantitative Evaluation of Plastic Particles Along a Drinking Water Supply Chain of Milan (Northern Italy) [PDF]

Journal of Xenobiotics
This study presents the first evaluation of plastic particle contamination along a complete drinking water supply chain within the distribution system of Milan, Northern Italy.
Andrea Binelli, Alberto Cappelletti, Cristina Cremonesi, Camilla Della Torre, Giada Caorsi, Stefano Magni   +5 more
doaj   +2 more sources

A new discrete theory of pseudoconvexity [PDF]

Discrete Mathematics & Theoretical Computer Science, 2023
Recently geometric hypergraphs that can be defined by intersections of pseudohalfplanes with a finite point set were defined in a purely combinatorial way.
Balázs Keszegh
doaj   +1 more source

Tobacco Control Stakeholder Perspectives on the Future of Tobacco Marketing Regulation in Indonesia: A Modified Delphi Study [PDF]

Journal of Preventive Medicine and Public Health, 2021
Objectives Tobacco control in Indonesia is very lenient compared to international standards. This study explored the perspectives of tobacco control stakeholders (TCSs) on the likelihood of advancing tobacco marketing regulation in Indonesia.
Putu Ayu Swandewi Astuti, Mary Assunta, Becky Freeman   +2 more
doaj   +1 more source

A Practical Approach to Optimising Distribution Transformer Tap Settings

Energies, 2020
This paper proposes a method of determining the optimal tap settings for no-load distribution transformers with tap-changing capabilities that is practical to apply in real distribution networks.
Joshua Paoli, Bernd Brinkmann, Michael Negnevitsky   +2 more
doaj   +1 more source

In-medium $\omega$ mass from the $\gamma + Nb \to \pi^{0}\gamma + X$ reaction [PDF]

, 2010
Data on the photoproduction of $\omega$ mesons on nuclei have been re-analyzed in a search for in-medium modifications. The data were taken with the Crystal Barrel(CB)/TAPS detector system at the ELSA accelerator facility in Bonn.
:, Anton, G., Bacelar, J. C. S., Bartholomy, O., Bayadilov, D., Beloglazov, Y. A., Bogendörfer, R., Castelijns, R., Collaboration, The The CBELSA/TAPS, Crede, V., Dutz, H., Ehmanns, A., Elsner, D., Essig, K., Ewald, R., Fabry, I., Fuchs, M., Funke, Ch., Gothe, R., Gregor, R., Gridnev, A. B., Gutz, E., Hoffmeister, P., Horn, I., Höffgen, S., Hössl, J., Jaegle, I., Junkersfeld, J., Kalinowsky, H., Klein, Frank, Klein, Friedrich, Klempt, E., Konrad, M., Kopf, B., Kotulla, M., Krusche, B., Langheinrich, J., Lopatin, I. V., Lotz, J., Lugert, S., Löhner, H., Menze, D., Mertens, T., Messchendorp, J. G., Metag, V., Morales, C., Nanova, M., Novotny, R., Ostrick, M., Pant, L. M., Pfeiffer, M., Radkov, A., Roy, A., Schadmand, S., Schmidt, Ch., Schmieden, H., Schoch, B., Shende, S., Suft, G., Sumachev, V. V., Szczepanek, T., Süle, A., Thoma, U., Trnka, D., van Pee, H., Varma, R., Walther, D., Weinheimer, Ch., Wendel, Ch.   +68 more
core   +9 more sources

Estimating Angle of Arrival and Output Signals to Noise Ratio for Wideband Signals [PDF]

Engineering and Technology Journal, 2016
Multiple Signal Classification (MUSIC) algorithm is the most popular algorithm to estimate angle of arrival (AOA) for narrowband signals. This algorithm is based on the use of subspace noise Eigenvectors (Q_n) matrix related to the smallest set of Eigen ...
Bassim Sayed Mohammed
doaj   +1 more source

Second-Order Statistics-Aided Channel Estimation for Multipath Massive MIMO-OFDM Systems

IEEE Access, 2023
This paper develops an efficient channel estimation algorithm based on second-order statistics of time division duplex (TDD) multiuser massive multiple-input multiple-output (MIMO) systems.
Mohammad Reza Mehrabani, Bahman Abolhassani, Farzan Haddadi, Chintha Tellambura   +3 more
doaj   +1 more source

An Ultra-lightweight Stream Cipher Algorithm for RFID [PDF]

Jisuanji gongcheng, 2019
To address the low security of Radio Frequency Identification(RFID) system,an ultra-lightweight stream cipher algorithm Willow for RFID tags is proposed.Function taps are selected according to the property of positive difference set to increase the ...
XIA Wentao, PAN Senshan, WANG Liangmin
doaj   +1 more source

Remarks on improved inversion attacks on nonlinear filter generators

Journal of Telecommunications and Information Technology, 2003
The subject of this paper are inversion attacks on stream ciphers (nonlinear filter generators), which were first introduced by Golić [3] and extended by Golić, Clark and Dawson [4].
Anna Górska, Karol Górski
doaj   +1 more source

A Multi-Period Optimal Reactive Power Dispatch Approach Considering Multiple Operative Goals

Applied Sciences, 2021
The optimal reactive power dispatch (ORPD) problem plays a key role in daily power system operations. This paper presents a novel multi-period approach for the ORPD that takes into account three operative goals.
Jairo A. Morán-Burgos, Juan E. Sierra-Aguilar, Walter M. Villa-Acevedo, Jesús M. López-Lezama   +3 more
doaj   +1 more source