Results 101 to 110 of about 2,416,964 (304)

NanoMOF‐Based Multilevel Anti‐Counterfeiting by a Combination of Visible and Invisible Photoluminescence and Conductivity

open access: yesAdvanced Functional Materials, EarlyView.
This study presents novel anti‐counterfeiting tags with multilevel security features that utilize additional disguise features. They combine luminescent nanosized Ln‐MOFs with conductive polymers to multifunctional mixed‐matrix membranes and powder composites. The materials exhibit visible/NIR emission and matrix‐based conductivity even as black bodies.
Moritz Maxeiner   +9 more
wiley   +1 more source

Systemic Approach to Civil Protection in Poland

open access: yesSafety & Fire Technology, 2019
Aim: The primary goal of this study was to identify the civil protection system within the domain of Poland’s national security, to describe its mission and range of responsibilities, and to suggest what should be changed.
Grzegorz Sobolewski
doaj   +1 more source

Information Security in the System of Ensuring National Security

open access: yesWISDOM, 2017
As a system-building factor for a modern and dynamically developing society, the information sphere significantly influences the political, economic, cultural, protective, and ideological general state and elements of the states', nations' and individuals' life security, which highlights the importance of information security in the national security ...
openaire   +2 more sources

Understanding the Workforce Needs of New Jersey's Public Health and Other Disaster Management Employers [PDF]

open access: yes, 2008
This report explores the priority workforce needs of New Jersey's public disaster management system. An advisory group of disaster management-related employers from law enforcement and state and local public health systems and educational institutions ...
Aaron Fichtner   +2 more
core  

All‐in‐One Analog AI Hardware: On‐Chip Training and Inference with Conductive‐Metal‐Oxide/HfOx ReRAM Devices

open access: yesAdvanced Functional Materials, EarlyView.
An all‐in‐one analog AI accelerator is presented, enabling on‐chip training, weight retention, and long‐term inference acceleration. It leverages a BEOL‐integrated CMO/HfOx ReRAM array with low‐voltage operation (<1.5 V), multi‐bit capability over 32 states, low programming noise (10 nS), and near‐ideal weight transfer.
Donato Francesco Falcone   +11 more
wiley   +1 more source

Zambia's 2005 Maize Import and Marketing Experiences: Lessons and Implications [PDF]

open access: yes
This paper shows how government actions can affect the performance of the maize marketing system and influence the severity of food crises. Examples from the 2005/06 marketing season are used to illustrate how Zambia’s food security situation can be ...
Haggblade, Steven   +6 more
core   +1 more source

Nanoscale Mapping of Plasmonic Charge Transport in Nano‐Resonators Based on Resistive Switching Materials

open access: yesAdvanced Functional Materials, EarlyView.
In this strategy, a conductive nano‐probe is employed to induce nanoscale phase transitions and map the nanoscale conductivity and trap density of GST films. By utilizing the contrasting properties of phase‐change states, nano‐resonators are fabricated that exhibit plasmonic conduction and dramatically different transport characteristics.
Sunwoo Bang   +4 more
wiley   +1 more source

South Africa's National Security Management System, 1972–90 [PDF]

open access: yesThe Journal of Modern African Studies, 1991
Analyses of the South African state during the 1970s and 1980s all tried to come to grips with the rôle of the Security forces.1Research justifiably ran in different directions, but the National Security Management System soon became an essential part of recent work,2albeit remaining very much of a mystery.3Since we need to know how it originated ...
openaire   +2 more sources

Digital Actuation Control of Soft Robotic Origami With Self‐Folding Liquid Crystal Elastomer Hinges

open access: yesAdvanced Functional Materials, EarlyView.
Self‐folding soft‐rigid hybrid robotic origami is enabled by liquid crystal elastomer actuators with embedded Joule heating and closed‐loop digital control. Digitally addressable hinges provide reversible and programmable transitions between distinct folded states while maintaining actuation performance at high cycle counts (over 1500).
David C. Bershadsky   +3 more
wiley   +1 more source

Contemporary security threats in Africa

open access: yesJournal of Central and Eastern European African Studies
The analysis of potential and actual security threats and challenges leads us to the conclusion that Africa is one of the most endangered continents. Constant confrontations, wars, internal political crises, local and international terrorism, organized ...
Darko Trifunovic
doaj   +1 more source

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