Results 31 to 40 of about 274,844 (272)

On the exact electric and magnetic fields of an electric dipole

open access: yes, 2010
We derive from Jefimenko's equations a multipole expansion in order to obtain the exact expressions for the electric and magnetic fields of an electric dipole with an arbitrary time dependence.
C. Farina   +14 more
core   +1 more source

Louis de Broglie's wave-particle duality: from textbooks’ blackboxes to a chain of reference presentation [PDF]

open access: yesRevista Brasileira de Ensino de Física, 2020
We discuss the proposition of wave-particle duality made by Louis de Broglie in the period of 1922-1924 as well as the narratives of undergraduate Physics textbooks that introduce this topic.
Nathan Willig Lima   +3 more
doaj   +1 more source

The hidden reefs in foreign language teaching: on the presence and instruction of discourse markers in textbooks for teaching Polish as a foreign language

open access: yesGlottodidactica, 2019
Discourse markers (DMs), represented by words and phrases such as but, you know, moreover, have for many years been a widely discussed topic in linguistics in Poland and abroad.
Sandra Toffel
doaj   +1 more source

A praxeological review of concept-sequence and series: Comparing Malaysia and Indonesia textbooks

open access: yesJurnal Elemen
Malaysia, through its curriculum, has implemented mathematics textbooks as the main source. However, not all concepts can be offered to a country.
Rahmat Kusharyadi   +2 more
doaj   +1 more source

Evaluating reading-writing materials for office administration students

open access: yesJEES (Journal of English Educators Society), 2021
Office Administration students at VHS require English reading-writing materials to assist them acquiring competencies as stated in SKNNI. The present study aimed to evaluate the existing materials and seek their relevance to SKNNI.
Siti Maryam Solihat   +2 more
doaj   +1 more source

The transformative potential of textbooks

open access: yesNordic Journal of Comparative and International Education
Education is recognized as crucial in addressing unsustainable practices, such as food waste. One of the aims of interdisciplinary food education in basic education is to promote sustainable food waste behavior, which can be promoted by transformative ...
Milja Pollari   +2 more
doaj   +1 more source

A Knowledge‐Based Approach for Understanding and Managing Additive Manufacturing Data

open access: yesAdvanced Engineering Materials, EarlyView.
Additive manufacturing processes generate a large amount of data. Effectively managing, understanding, and retrieving information from this data remains a major challenge. Therefore, we propose an ontology‐based approach to integrate heterogeneous data, enable semantic queries, and support decision‐making.
Mina Abd Nikooie Pour   +5 more
wiley   +1 more source

On‐Surface Indigo‐Based Bimolecular Coordination Networks with Programmable Regular or Vitreous Structure

open access: yesAdvanced Functional Materials, EarlyView.
A previously unreported coordination motif stabilising single Fe atoms by indigo chelation and pyridyl coordination on Au(111) has been revealed. By using planar tritopic pyridyl linkers (TPyB), extended 2D porous networks of indigo3(TPyB)2Fe6 form. These networks can be crystalline or vitreous and offer an environment where individual coordination ...
Hongxiang Xu   +9 more
wiley   +1 more source

Communicative Textbooks: English Language Textbooks in Iranian Secondary School [PDF]

open access: yesLinguistik Online, 2009
English language teaching materials (textbooks) play an important role in many language classrooms, but recently there have been a lot of debates within the English language teaching profession based on the actual role that materials play in teaching ...
Mahdi Dahmardeh
doaj   +2 more sources

A Comparative Analysis of “Mei Hua” and “Han Yu” Textbooks《梅花》与《汉语》教材对比分析

open access: yesMandarinable
The research title of this article is “A Comparative Analysis of “MeiHua” and “HanYu” Textbooks”. There are various types of Chinese Textbooks used by elementary school in Indonesia, two of which is “MeiHua” and “HanYu”. But, not all of the textbooks are
Antonia Sintia, Ina, Yoanna Afrimonika
doaj   +1 more source

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