Results 101 to 110 of about 1,325,974 (301)

Mathematics Education and Information Technologies in Emerging Economies

open access: yesCreative Education, 2013
International studies indicate that some countries are failing to produce enough quality graduates in Science and Engineering (S & E). Unfortunately, basic research and strong structured initiatives in S & E education are scarce in these countries. We take Mexico as a case study and examine university teachers’ beliefs and perceptions on some aspects ...
Maria Andrade-Arechiga   +2 more
openaire   +2 more sources

Unraveling Quantitative Sensing Mechanism and Predictive Molecular Metrics for High‐Performance OFET Amine Sensors

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces a novel chloro boron subphthalocyanine/polymer blend OFET sensor achieving 0.005 ppb limit of detection for ammonia at room temperature and high selectivity against similar amines. An original theoretical framework is proposed to describe the sensing mechanism, relating analyte molecular volume and Lewis basicity to sensor ...
Kavinraaj Ella Elangovan   +6 more
wiley   +1 more source

3-D inelastic analysis methods for hot section components (base program) [PDF]

open access: yes
A 3-D inelastic analysis methods program consists of a series of computer codes embodying a progression of mathematical models (mechanics of materials, special finite element, boundary element) for streamlined analysis of combustor liners, turbine blades,
Bak, M. J.   +3 more
core   +1 more source

Electric Field‐Dependent Conductivity as Probe for Charge Carrier Delocalization and Morphology in Organic Semiconductors

open access: yesAdvanced Functional Materials, EarlyView.
Applying a high electric field to a doped organic semiconductor heats up the charge carrier distribution beyond the lattice temperature, enhancing conductivity. It is shown that the associated effective temperature can be used to extract the effective localization length, which is a characteristic length scale of charge transport and provides ...
Morteza Shokrani   +4 more
wiley   +1 more source

HiRo-SLAM: A High-Accuracy and Robust Visual-Inertial SLAM System with Precise Camera Projection Modeling and Adaptive Feature Selection

open access: yesSensors
HiRo-SLAM is a visual-inertial SLAM system developed to achieve high accuracy and enhanced robustness. To address critical limitations of conventional methods, including systematic biases from imperfect camera models, uneven spatial feature distribution,
Yujuan Deng   +6 more
doaj   +1 more source

Modeling the performance of the human (pilot) interaction in a synthetic flight domain: Information theoretic approach [PDF]

open access: yes
Current advances in computing technology are devoid of formal methods that describe the theories of how information is shared between humans and machines.
Ntuen, Celestine A.
core   +1 more source

Biomaterials‐Based Hydrogel with Superior Bio‐Mimetic Ionic Conductivity and Tissue‐Matching Softness for Bioelectronics

open access: yesAdvanced Functional Materials, EarlyView.
By mimicking the ion‐accelerating effect of ion channel receptors in neuron membranes, a biomaterials‐based ionic hydrogel (BIH) is developed, which offers a high ionic conductivity of 7.04 S m−1, outperforming conventional chitosan, cellulose, agarose, starch, and gelatin based ionic hydrogels.
Baojin Chen   +7 more
wiley   +1 more source

Smart Grid IoT Framework for Predicting Energy Consumption Using Federated Learning Homomorphic Encryption

open access: yesSensors
Homomorphic Encryption (HE) introduces new dimensions of security and privacy within federated learning (FL) and internet of things (IoT) frameworks that allow preservation of user privacy when handling data for FL occurring in Smart Grid (SG ...
Filip Jerkovic   +2 more
doaj   +1 more source

miRBaseConverter: an R/Bioconductor package for converting and retrieving miRNA name, accession, sequence and family information in different versions of miRBase

open access: yesBMC Bioinformatics, 2018
Background miRBase is the primary repository for published miRNA sequence and annotation data, and serves as the “go-to” place for miRNA research. However, the definition and annotation of miRNAs have been changed significantly across different versions ...
Taosheng Xu   +9 more
doaj   +1 more source

Оцінка ефективності інформаційної технології предметно-орієнтованого математичного моделювання [PDF]

open access: yes, 2007
The evaluation of effectiveness of the Information Technology of Domain-Specific Mathematical Modeling (ITDSMM) is given. The reduction of amount of operations needed for development of metamodels in the case of using ITDSMM is proven.
Межуєв, В. І.
core  

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