Results 41 to 50 of about 14,533,626 (220)

Research on Shear Strength Parameters of the Silty Fine Sand and the Rounded Gravel Layers in Nanning City

open access: yesAdvances in Civil Engineering, 2023
The silty fine sand and rounded gravel layers are widely distributed in Nanning City, China. Due to the low clay content, the silty fine sand and rounded gravel layers are prone to disturbance during sampling and transportation, which affects the shear ...
Liming Yang   +3 more
doaj   +1 more source

Antea Group Archeologie 2018/153

open access: yes, 2016
In september 2018 heeft Antea Group in opdracht van CroonenBuro5 een archeologisch booronderzoek (verkennende fase) uitgevoerd voor een plangebied dat valt binnen het grotere bestemmingsplan Slotjes te Oosterhout. Het plangebied bestaat uit verschillende
Arkema, Drs. M. (Antea Group)   +45 more
core   +1 more source

Antea Group Archeologie 2021/36

open access: yes, 2021
Antea Group heeft In februari 2021 een archeologisch bureauonderzoek en inventariserend veldonderzoek door middel van boringen uitgevoerd in het kader van de aanleg van een gashogedruk- en een gaslagedrukleiding langs de oostzijde van de Hoofdweg tussen ...
Fens, R. (Antea Group)   +2 more
core   +1 more source

An efficient group key agreement scheme for UAV swarms

open access: yesFrontiers in Physics
Unmanned Aerial Vehicle (UAV) group communication plays a crucial role in collaborative UAV operations, yet its security faces numerous challenges. Authentication and key agreement protocols, as core technologies for securing UAV communications, have ...
Zhe Wang   +3 more
doaj   +1 more source

A method for improving communication robustness of belt conveyor protection system based on bus redundancy mechanism

open access: yesMeikuang Anquan
Aiming at the problem of stopping production for communication failure in the belt conveyor protection system, this paper analyzes the characteristics of the query bus and control bus of the protection system, and proposes a grouping communication and ...
Fei DENG
doaj   +1 more source

Improved One-Way Hash Chain and Revocation Polynomial-Based Self-Healing Group Key Distribution Schemes in Resource-Constrained Wireless Networks

open access: yesSensors, 2014
Self-healing group key distribution (SGKD) aims to deal with the key distribution problem over an unreliable wireless network. In this paper, we investigate the SGKD issue in resource-constrained wireless networks.
Huifang Chen, Lei Xie
doaj   +1 more source

Antea Group Archeologie 2017/21

open access: yes, 2017
In januari 2017 heeft Antea Group, in opdracht van Alliander N.V., een inventariserend veldonderzoek door middel van verkennende boringen uitgevoerd ten behoeve van een plangebied langs de zuidberm van de A15 tussen Ochten en Dodewaard in de gemeente ...
Teekens, Drs. P.C. (Antea group)
core   +1 more source

Communication Studies and Deliberative Democracy: Current Contributions and Future Possibilities

open access: yesJournal of Deliberative Democracy, 2010
This essay provides an overview of what is currently being done in the discipline of communication studies that can advance deliberative democracy, particularly in terms of student learning, and explores how those connections could be strengthened and ...
Elizabeth S. Sink   +2 more
doaj   +2 more sources

Bandwidth Control in Computer- Generated Holography

open access: yesIEEE Photonics Journal, 2023
The Fourier transform between the time and frequency signals of light enables highly efficient band usage in optical communications. Analogously, the Fourier transform between the wavefield and wavevector distributions in the optical spatial diffraction ...
Mian Wu   +6 more
doaj   +1 more source

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