Results 91 to 100 of about 170,070 (273)

Assessing newly introduced climate change adaptation strategy packages among rural households: Evidence from Kaou local government area, Tahoua State, Niger Republic

open access: yesJàmbá, 2017
This research discusses new strategies developed and introduced by national and international partners to help farmers in building adaptative capacity against the negative externalities of climate change.
Ali M. Tabbo, Zakou Amadou
doaj   +1 more source

Combinatorial Bounds and Characterizations of Splitting Authentication Codes

open access: yes, 2010
We present several generalizations of results for splitting authentication codes by studying the aspect of multi-fold security. As the two primary results, we prove a combinatorial lower bound on the number of encoding rules and a combinatorial ...
B Du   +26 more
core   +1 more source

Laser‐Induced Graphene from Waste Almond Shells

open access: yesAdvanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova   +9 more
wiley   +1 more source

Hypercube Bivariate-Based Key Management for Wireless Sensor Networks [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2017
Wireless sensor networks are composed of very small devices, called sensor nodes,for numerous applications in the environment. In adversarial environments, the securitybecomes a crucial issue in wireless sensor networks (WSNs).
I. Qasemzadeh Kolagar   +2 more
doaj  

Confiabilidade do Teste WPPSI-R na avaliação do desenvolvimento cognitivo de pré-escolares Reliability of the WPPSI-R test in the evaluation of cognitive development in preschoolers

open access: yesCadernos de Saúde Pública, 2001
O Teste psicométrico WPPSI-R (Wechsler Preschool and Primary Scale of Intelligence - Revised) foi o instrumento de avaliação em uma pesquisa para estudar o desenvolvimento cognitivo, na idade pré-escolar, de uma população de crianças do Instituto ...
Maria Dalva Barbosa Baker Méio   +3 more
doaj   +1 more source

Some balanced incomplete block designs

open access: yesComputers & Mathematics with Applications, 2000
New solutions for symmetric BIBDs with parameters \((45, 12, 3)\), \((36, 15, 6)\) and \((40, 13, 4)\) are described.
openaire   +1 more source

An Algorithm to Check Balance Property of a Design [PDF]

open access: yes, 2013
Balance incomplete block design and neighbor balanced deigns have their own importance in the field experiments such as agriculture, horticulture and forestry, etc.
M. Yousuf Aziz, M.H. Tahir, Rashid Ahmed
core   +1 more source

Tuning the Dielectric Properties of Individual Clay Nanosheets by Interlayer Composition: Toward Nano‐Electret Materials

open access: yesAdvanced Functional Materials, EarlyView.
The dielectric properties of clays are studied on the level of individual monolayers and functional double stacks. The material breakdown characteristics and charge storage performance are analyzed. For illustration, a defined charge pattern representing a cuneiform character is produced, written into a microscopic clay tile, referencing the origins of
Sebastian Gödrich   +6 more
wiley   +1 more source

Smart, Bio‐Inspired Polymers and Bio‐Based Molecules Modified by Zwitterionic Motifs to Design Next‐Generation Materials for Medical Applications

open access: yesAdvanced Functional Materials, EarlyView.
Bio‐based and (semi‐)synthetic zwitterion‐modified novel materials and fully synthetic next‐generation alternatives show the importance of material design for different biomedical applications. The zwitterionic character affects the physiochemical behavior of the material and deepens the understanding of chemical interaction mechanisms within the ...
Theresa M. Lutz   +3 more
wiley   +1 more source

High-Speed Visible Light Indoor Networks Based on Optical Orthogonal Codes and Combinatorial Designs

open access: yes, 2013
Interconnecting devices in an indoor environment using the illumination system and white light emitting diodes (LED) requires adaptive networking techniques that can provide network access for multiple users.
Brandt-Pearce, Maite, Noshad, Mohammad
core   +1 more source

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