Results 11 to 20 of about 22,658 (293)

Parallel Circuit Conceptual Understanding Test (PCCUT)

open access: yesProcedia - Social and Behavioral Sciences, 2013
The concern of academicians regarding the understanding achieved upon instruction of electricity has given rise to the development of various instruments.
Lim, Beh Kian, Abdullah, Nazlinda
core   +2 more sources

Economic Analysis of a Conceptual Industrial Route for Printed Circuit Boards Processing Based on Mass and Energy Balances

open access: yesWorld, 2022
With a generation of more than 2 million metric tons per year, Brazil is the largest producer of waste electrical and electronic equipment in Latin America.
Felipe Seabra d’Almeida   +3 more
doaj   +2 more sources

New media and the circuit of cyber-culture: Conceptualizing Napster

open access: yesJournal of Broadcasting & Electronic Media, 2002
Media studies scholars have employed the cultural circuit model to analyze media in the context of capitalist political economy. This model identifies interrelated moments\u27 in which the meanings of cultural products are determined, negotiated, and ...
Jian, Guowei   +4 more
core   +3 more sources

A CONCEPTUAL MAP ABOUT ALTERNATING CURRENT CIRCUITS [PDF]

open access: yesINTED proceedings, 2016
Teachers are deeply concerned on how to be more effective in our task of teaching. We must organize the contents of our specific area providing them with a logical configuration, for which we must know the mental structure of the students that we have in the classroom.
Arribas Garde, Enrique   +12 more
openaire   +2 more sources

Evaluating secondary school students� interest and conceptual understanding of circuits [PDF]

open access: yesPhysics Education Research Conference Proceedings, 2020
Electric circuits are an important element of physics classes in Austria, Germany, and most countries aroundthe world. However, many students leave secondary school without having an adequate conceptual understand-ing of simple circuits. Voltage in particular has proven to be a difficult concept as students think of it as aproperty or component of the ...
Jan-Philipp Burde   +7 more
openaire   +1 more source

Conceptualizing economies and their geographies: spaces, flows and circuits [PDF]

open access: yesProgress in Human Geography, 2004
The last decade or so has been one of ongoing, at times heated, debate in economic geography as to how best to conceptualize and theorize economies and their geographies. Reflecting on these debates, I identify six axioms that are central to conceptualizing economic geographies.
openaire   +3 more sources

Conceptual design of secondary and tertiary circuit for a new nuclear source

open access: yes, 2021
The aim of this thesis is to create a conceptual design of the secondary and tertiary circuit of a new nuclear power plant in our country, which is preceded by a brief search of particular generations of nuclear reactors. The VVER-1200 reactor became the
Valíček, Roman
core   +2 more sources

A methodology for the conceptual design of concentration circuits: Group contribution method

open access: yesComputers & Chemical Engineering, 2014
Abstract This paper presents a new methodology for the conceptual design of concentration circuits based on the group contribution method. The methodology includes three decision levels: (1) definition and analysis of the problem, (2) synthesis and screening of alternatives, and (3) final design. In this manuscript, the emphasis is on the description
Felipe D. Sepúlveda   +3 more
openaire   +3 more sources

Architectures for RF Frequency synthesizers [PDF]

open access: yes, 2002
Frequency synthesizers are an essential building block of RF communication products. They can be found in traditional consumer products, in personal communication systems, and in optical communication equipment.
Vaucher, Cicero S., Nauta, Bram
core   +1 more source

How Difficult are Simple Electrical Circuit Conceptions? New Findings

open access: yes, 2023
Indexación: ScopusResearch on conceptual understanding is one of the first steps in designing materials to improve learning. Literature reports that students have difficulties analyzing and describing phenomena in electric circuits.
Quezada-Espinoza, Monica   +2 more
core   +1 more source

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