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Wyświetlanie 1-15 z 96
Tytuł:
The Influence of Sintering Conditions on the Inkjet Printed Paths Resistance
Autorzy:
Tomaszewski, G.
Wałach, T.
Potencki, J.
Pilecki, M.
Powiązania:
https://bibliotekanauki.pl/articles/963904.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sintering
inkjet printing
printed electronics
flexible electronics
nanosilver ink
Opis:
The sintering of elements performed with the inkjet printing technique is one of the stages of flexible printed circuit manufacturing process. It is a crucial factor to determining the printed paths conductivity playing often an important role in the printed circuit. In this paper the study of the influence of thermal sintering conditions (temperature, time) on the resistance of paths made with inkjet printing on flexible substrates by using two electrically conductive inks was presented. The results of the investigations show that the sintering temperature is the main factor determining the paths resistance. Therefore, in some applications the sintering temperature higher than the one specified by the ink manufacturer can be used to decrease the paths resistance and to improve some circuit parameters. However, it should be noticed that the effective resistance decrease occurs only up to a certain temperature due to the appearance cracks in the printed paths.
Źródło:
International Journal of Electronics and Telecommunications; 2016, 62, 2; 135-140
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Relationship of electronic device usage with obesity and speech delay in children
Autorzy:
Borajy, Shazan
Albkhari, Dania
Turkistani, Huda
Altuwairiqi, Reham
Aboalshamat, Khalid
Altaib, Tahir
Almehman, Wijdan
Powiązania:
https://bibliotekanauki.pl/articles/552731.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Przyjaciół Medycyny Rodzinnej i Lekarzy Rodzinnych
Tematy:
obesity
child
electronics.
Opis:
Background. Smart device usage has become favorable among children worldwide. Objectives. The study aimed to identify the relation between usage of electronic devices with obesity and speech delay. Material and methods. A cross-sectional study was conducted among 452 healthy children (18 months to 14 years old) from pediatric clinics of the Ministry of Health (MOH), Jeddah, Saudi Arabia. Data was collected from June to July 2018. Analysis included linear regression, logistic regression, chi-square, t-test and ANOVA. Results and discussion. Male participants totalled 57.7% and females 42.3% (mean age 82.27 months) (SD = 40.18). Mean duration of usage: 3.1 hours (SD = 2.58) per day. Among toddlers only, 31.1% had speech delay. The results showed no relation between the duration of smart device usage and obesity (p-value = 0.904) or speech delay (p-value = 0.538). Duration of usage was not influenced by gender or parents’ marital status; however, children who live with both parents spent less time on smart devices than others. The smart device most used was a tablet (47%), and the main usage was primarily entertainment (60.8%) and games (47.6%). Only 57.8% reported having parental supervision. Among children, 59.3% eat chips and 48.9% eat candy as snacks during usage. Among parents, 71.5% believe devices reduce children’s physical activities, 64.8% believe that the smart device is a problem, 62.5% of parents should control time of use, and 60.5% believe that their children are attached to the devices. Conclusions. There is no association between the duration of using smart devices and obesity, nor speech delay. Future directions and recommendations should be discussed.
Źródło:
Family Medicine & Primary Care Review; 2019, 2; 93-97
1734-3402
Pojawia się w:
Family Medicine & Primary Care Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Parameters of Unconventional Double-Current Circuit, their Accuracy Measures and Measurement of Strain and Temperature
Autorzy:
Warsza, Z.
Idzkowski, A.
Walendziuk, W.
Powiązania:
https://bibliotekanauki.pl/articles/227208.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
electronics
measurement circuits
Opis:
The two-voltage-output circuit called a double-current bridge is presented. A single DC current source is switched over and connected in turns to opposite arms of the four-element bridge circuit. The output voltages are dependent on the arm resistance increments and their values are given in absolute and relative units. The simplified signal conditioning formulas of strain and temperature simultaneous measurement of a cantilever beam are featured. The results achieved with the use of the circuit are also published.The accuracy measures (actual errors, limited errors and standard uncertainties) of the bridgetransfer functions are described.
Źródło:
International Journal of Electronics and Telecommunications; 2014, 60, 4; 327-330
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Joint and Coalition Obsolescence Management Modernization System (JOMMS)
Autorzy:
Leboeuf, E.
Powiązania:
https://bibliotekanauki.pl/articles/235420.pdf
Data publikacji:
2006
Wydawca:
Wojskowy Instytut Techniczny Uzbrojenia
Tematy:
przemysł elektroniczny
electronics industry
Opis:
The electronics industry moves quickly, leading to the production of critical electronic parts being discontinued due to obsolescence each year. In addition, supporting a weapon system for 30-40 years is a major challenge in the defense community. Whether the problem is that the manufacturer no longer produces the components necessary to maintain these systems or materials are no longer available, innovative solutions are required to increase the effectiveness for both industry and defense organizations to meet this and other Diminishing Manufacturing Sources and Material Shortages (DMSMS) challenges.
Źródło:
Problemy Techniki Uzbrojenia; 2006, R. 35, z. 97; 9-14
1230-3801
Pojawia się w:
Problemy Techniki Uzbrojenia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Memristors : a Short Review on Fundamentals, Structures, Materials and Applications
Autorzy:
Domaradzki, Jarosław
Wojcieszak, Damian
Kotwica, Tomasz
Mańkowska, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/226873.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
memristor
materials
electronics
applications
Opis:
The paper contains a short literature review on the subject of special type of thin film structures with resistive-switching memory effect. In the literature, such structures are commonly labeled as "memristors". The word "memristor" originates from two words: "memory" and "resistor". For the first time, the memristor was theoretically described in 1971 by Leon Chua as the 4th fundamental passive electronics element with a non-linear current-voltage behavior. The reported area of potential usage of memristor is enormous. It is predicted that the memristor could find application, for example in the domain of nonvolatile random access memory, flash memory, neuromorphic systems and so forth. However, in spite of the fact that plenty of papers have been published in the subject literature to date, the memristor still behaves as a "mysterious" electronic element. It seems that, one of the important reasons that such structures are not yet in practical use, is unsufficient knowledge of physical phenomena determining occurrence of the switching effect. The present paper contains a literature review of available descriptions of theoretical basis of the memristor structures, used materials, structure configurations and discussion about future prospects and limitations.
Źródło:
International Journal of Electronics and Telecommunications; 2020, 66, 2; 373-381
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Demand of high quality education at field of automobile electronics
Autorzy:
KOVÁČIK, Peter
Powiązania:
https://bibliotekanauki.pl/articles/457206.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Rzeszowski
Tematy:
automobile
electronics
safety systems
education.
Opis:
The article deals with electronics in automobile which serve mostly for implementation of without accident road traffic. The article draws attention to using of radars, infrared and video cameras, ultrasound sensors, rescue systems including automatic recall of rescue service towards accident. There are mentioned another systems controlled by electronics for active and passive safety of an automobile. From mentioned above results aim of the article: suggest to necessity of early and high quality preparation of specialists at field of automobile electronics to support needed number of qualified workers at production process as well as for service of vehicles at active traffic.
Źródło:
Edukacja-Technika-Informatyka; 2016, 7, 4; 425-430
2080-9069
Pojawia się w:
Edukacja-Technika-Informatyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
CAN bus diagnostics
Autorzy:
Jajczyk, J.
Matwiejczyk, K.
Powiązania:
https://bibliotekanauki.pl/articles/97625.pdf
Data publikacji:
2014
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
data bus
diagnostics
vehicle electronics
Opis:
The paper contains information on the CAN bus, which is a data transmission network for communication between vehicle steering systems. Its structure is outlined, and the ways of message sending discussed. Methods of detecting faults when the CAN bus is physically damaged are presented. Signal changes are shown for typical faults.
Źródło:
Computer Applications in Electrical Engineering; 2014, 12; 376-385
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Inductive Coupling of the Electrical Systems
Autorzy:
Kovac, D.
Kovacova, I.
Tomcikova, I.
Powiązania:
https://bibliotekanauki.pl/articles/262765.pdf
Data publikacji:
2009
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Tematy:
electromagnetic compatibility
power electronics
electrical systems
Opis:
This papers deals with the computer analysis of the inductive coupling of the electromagnetic compatibility (EMC) problem focused at the area of power electronics and electrical drives and tests performed by the numerical computer simulatian, which can also disclose the startling facts concerning the electromagnetic compatibility (EMC) problems.
Źródło:
Electrical Power Quality and Utilisation. Journal; 2009, 15, 1; 19-23
1896-4672
Pojawia się w:
Electrical Power Quality and Utilisation. Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation of coulomb-coupled, protein-based logic
Autorzy:
Rakos, B.
Powiązania:
https://bibliotekanauki.pl/articles/384295.pdf
Data publikacji:
2009
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
nanotechnology
nanoelectronics
molecular electronics
photoswitchable protein
Opis:
In this theoretical work, I investigate photoswitchable proteins as possible building blocks of computing, and signal processing architectures of the future. Coulomb-coupled, photon-pulse controlled macromolecular arrays are proposed and explored with the aid of a simple, mixed quantum-classical, nanoelectromechanical model. I show chains for digital signal propagation, and possibly universal logic gates, therefore computing architectures can be constructed from such proteins. Furthermore, I explore the basic molecular properties needed for their realization, and I show that photoswitchable proteins are possible candidates for this purpose.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 4; 46-47
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Design and Creation of Electronic Teaching Aid for Effectiveness and Attractiveness of Education Increasing
Autorzy:
Kováčik, Peter
Powiązania:
https://bibliotekanauki.pl/articles/2044841.pdf
Data publikacji:
2021-12-28
Wydawca:
Uniwersytet Rzeszowski
Tematy:
teaching aid
electronics
digitizing
quality of education
Opis:
The article analyses requirements of new methods of student education at the level of secondary school with professional electrical and electronic focus. It describes the creation of a new teaching aid that incites fantasy, concentration and motivation to create interesting things by self competence of students oriented to the electrical field of study. At the same time it orientates students towards unconventional ways of thinking and non orthodox solutions. Teaching aid exploits digital form that is attractive for young people with the aspiration to focus the attention of students to study professional knowledge.
Źródło:
Journal of Education, Technology and Computer Science; 2021, 12, 2(32); 127-131
2719-6550
Pojawia się w:
Journal of Education, Technology and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Necessity of Education Contents Change for Society Development
Autorzy:
Kováčik, Peter
Powiązania:
https://bibliotekanauki.pl/articles/2044843.pdf
Data publikacji:
2021-12-28
Wydawca:
Uniwersytet Rzeszowski
Tematy:
gear-box
electronics
automation
quality of education
Opis:
The article urges the requirement of education content change by demands of society. Vehicles that serve for persons and goods transportation have relevant economic and ecological consequences in terms of the newest knowledge application. The production and exploitation of vehicles are affected by the level of education. For example, a gear-box has made a complex change of concept from uniform engineering product to product with multi branch character that consist parts of machinery, electric, information technology, including sensors, etc. Relevant changes will occur presumably in terms of new driving systems application.
Źródło:
Journal of Education, Technology and Computer Science; 2021, 12, 2(32); 121-126
2719-6550
Pojawia się w:
Journal of Education, Technology and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental investigation of an energy harvesting rotary generator-MR damper system
Autorzy:
Sapiński, B.
Powiązania:
https://bibliotekanauki.pl/articles/281798.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
MR damper
generator
conditioning electronics
experimental testing
Opis:
The study investigates an energy harvesting system utilising rotary motion. The system has three components: a rotary MR damper to vary the damping characteristics, a rotary power generator (energy extractor) producing electrical power, and a conditioning electronics unit to interface directly with the damper and the generator. The objective of the study is to examine the system performance through experiments. The paper outlines the structure of the damper and the generator, provides selected results of examination of the system components and the whole system under idle run and under load for the assumed speed range. The results demonstrate that the system is adaptable to external excitations, does not require an extra power supply and provides a smart solution with potential applications to rotary motion control.
Źródło:
Journal of Theoretical and Applied Mechanics; 2016, 54, 3; 679-690
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
CMOS Readout Circuit Integrated with Ionizing Radiation Detectors
Autorzy:
Szymański, A.
Obrębski, D.
Marczewski, J.
Tomaszewski, D.
Grodner, M.
Pieczyński, J.
Powiązania:
https://bibliotekanauki.pl/articles/226502.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
readout electronics
ASIC
SOI
ionizing radiation detectors
Opis:
This paper describes the work performed in ITE on integration in one CMOS chip the ionizing radiation detectors with dedicated readout electronics. At the beginning, some realizations of silicon detectors of ionizing radiation are presented together with most important issues related to these devices. Next, two developed test structures for readout electronics are discussed in detail together with main features of non-typical silicon proces deployed.
Źródło:
International Journal of Electronics and Telecommunications; 2014, 60, 1; 117-124
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exploitation of different technical scientific knowledge in optical systems for safety increasing in transportation
Autorzy:
KOVÁČIK, Peter
Powiązania:
https://bibliotekanauki.pl/articles/455280.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Rzeszowski
Tematy:
automobile
optics
electronics
headlight
safety in transportation
Opis:
The article draws attention to using of headlights at different modes and with various sources of light. There are mentioned systems controlled by electronics for mostly active safety of an automobile caused by optimal illumination of road. From mentioned above results aim of the article - suggest to necessity of early and high quality preparation of specialists at field of automo-bile electronics.
Źródło:
Edukacja-Technika-Informatyka; 2016, 7, 4; 431-436
2080-9069
Pojawia się w:
Edukacja-Technika-Informatyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Control circuit for series active power filters based on programmable logic devices
Autorzy:
Supronowicz, H.
Olszewski, A.
Gawiński, H.
Powiązania:
https://bibliotekanauki.pl/articles/262739.pdf
Data publikacji:
2006
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Tematy:
power electronics
active power filter
power quality
Opis:
This paper describes a control circuit for the active power filters working with three-phase AC power line. It describes logic circuitries as well as laboratory test results. The control circuit was realized with programmable logic devices, fast analog-to-digital and digital-to-analog converters. Proposed system working with open-loop control, it allows significantly simplifying its logic structure. Programmable logic devices do simultaneously a few independent tasks, so a control algorithm can be performing fast, improving considerably compensation dynamic. This paper includes results of laboratory tests of the active power filter consisted of proposed control circuit and a voltage-source converter.
Źródło:
Electrical Power Quality and Utilisation. Journal; 2006, 12, 2; 21-25
1896-4672
Pojawia się w:
Electrical Power Quality and Utilisation. Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 96

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