Results 31 to 40 of about 2,501,315 (276)
Comparation of fundamental analytical methods for quantitative determination of copper(II)ion [PDF]
Hemijska Industrija, 2008 Copper is a ductile metal with excellent electrical conductivity, and finds extensive use as an electrical conductor, heat conductor, as a building material, and as a component of various alloys.
Ačanski Marijana M.
doaj +1 more source
Scientific elite revisited: Patterns of productivity, collaboration, authorship and impact [PDF]
, 2020 Throughout history, a relatively small number of individuals have made a profound and lasting impact on science and society. Despite long-standing, multi-disciplinary interests in understanding careers of elite scientists, there have been limited ...
Fortunato, Santo +3 more
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PENGARUH PEMBELAJARAN BERBASIS MASALAH TERHADAP MINAT BELAJAR KIMIA PESERTA DIDIK
Jurnal Kependidikan: Penelitian Inovasi Pembelajaran, 2020 This study aims to determine the effect of applying the problem based learning (PBL) learning model to students' interest in learning chemistry on the topic of chemical equilibrium.
Wisnu Prammana Surya +1 more
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Journal of Technology and Science Education, 2023 Recently the trend of words in the world is related to sustainable development such as "green" has become a new trend in everyday human life. This study aimed to analyze and map the chemistry learning with green chemistry insight for undergraduate ...
Mitarlis Mitarlis +2 more
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Frontiers in Education, 2022 The purpose of this article was to analyze chemistry teachers’ interest, literacy, self-efficacy, teamwork, and creativity in the use of simulation teaching of concepts in chemistry to enhance students’ creativity skills.
Cecilia Obi Nja +4 more
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Gravimetric and volumetric determination of the purity of electrolytically refined silver and the produced silver nitrate [PDF]
Hemijska Industrija, 2007 Silver is, along with gold and the platinum-group metals, one of the so called precious metals. Because of its comparative scarcity, brilliant white color, malleability and resistance to atmospheric oxidation, silver has been used in the manufacture of ...
Ačanski Marijana M. +2 more
doaj +1 more source
Self-perceived competences by future chemistry teachers in Brazil [PDF]
Anais da Academia Brasileira de Ciências, 2023 In this work we have compared the self-perceived competences of future chemistry teachers who are pursuing teacher training courses in all the regions of Brazil taking the following factors into account: sex, age and Brazilian region origin.
MARIA DAS GRAÇAS CLEOPHAS +2 more
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Lignans: Quantitative Analysis of the Research Literature
Frontiers in Pharmacology, 2020 The current study provides a comprehensive overview and analysis of the lignan literature. Data for the current study were extracted from the electronic Web of Science Core Collection database via the search string TOPIC = (“lignan*”) and processed by ...
Andy Wai Kan Yeung +14 more
semanticscholar +1 more source
Science Advances, 2020 A novel ultrahigh-resolution x-ray microscope achieves 8-nm spatial resolution and accurately maps chemistry in nanomaterials.
D. Shapiro +20 more
semanticscholar +1 more source
Anionic and cationic redox and interfaces in batteries: Advances from soft X-ray absorption spectroscopy to resonant inelastic scattering [PDF]
, 2018 Recent advances in battery science and technology have triggered both the challenges and opportunities on studying the materials and interfaces in batteries. Here, we review the recent demonstrations of soft X-ray spectroscopy for studying the interfaces
Devereaux, TP, Yang, W
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