Results 11 to 20 of about 137 (81)

Culturally Responsive Chemistry Teaching (CRCT) of College Students as A Novice Teacher: Does It Matter?

open access: yesJTK (Jurnal Tadris Kimiya), 2022
Culture is an essential part of human life; cultural involvement in learning can train students to find the meaning of life, including the contribution of chemistry in the cultural context of society. Teachers reported that they struggle to meet students'
Atiek Winarti   +5 more
doaj   +1 more source

Un Inferno un po’ dickensiano. Dante e « Catene » di Rat-Man

open access: yesPerspectives Médiévales, 2023
A particular form of parody of Dante’s text is represented by the story “Catene”, published in Leo Ortolani’s Rat-Man issue #21. In this story, Dante’s universe is recognizable as the main hypotext, even if it has clearly presents a “popular” face : this
Paolo Rigo
doaj   +1 more source

The implementation of guided inquiry learning model to enhance students’ critical thinking skills on reaction rate topic: the case of an Indonesian public school

open access: yesJ-PEK (Jurnal Pembelajaran Kimia), 2020
The main objective of this research was to find out whether the implementation of guided inquiry learning model can improve students' critical thinking skills on the reaction rate topic at one public school located in Central Sulawesi, Indonesia ...
Efi Pujianti Puspita Dewi   +2 more
doaj   +1 more source

Comparison of distribution and frequency of impacted teeth before and during COVID-19 pandemic in dental hospital: a descriptive study

open access: yesPadjadjaran Journal of Dentistry, 2023
Introduction: The occurrence of the COVID-19 pandemic may affect the prevalence of patients with complaints of impacted teeth in dental hospital Faculty of Dentistry University of Indonesia (FKG UI), and there is no recent research on the distribution ...
Haura Syafin   +7 more
doaj   +1 more source

ISOLATION OF ANTHOCYANIDIN FROM WORA-WARI FLOWERS (Hibiscus rosa sinensis L.) AND ITS APPLICATION AS INDICATORS OF ACID-BASE

open access: yesAgritech, 2013
Wora-wari plants are easily cultivated and founded in Indonesia, also their bloomy is not seasonal. Isolation of anthocyanidin from Wora-wari was done by maceration using n-hexane, ethyl acetate and methanol-HCl 1.0% and isolation of anthocyanidin was ...
Siti Nuryanti   +2 more
doaj   +1 more source

Assessing Students’ Chemical Understanding on Classification of Matters

open access: yesJ-PEK (Jurnal Pembelajaran Kimia), 2021
Chemistry subject is often considered difficult by some students, it is one of the features to lead misunderstanding of chemistry concept. Material is a basic concept that needs to figure out especially to make easier the concept of classifying material.
Sitna Windia Risqi   +2 more
doaj   +1 more source

THE INFLUENCES OF NATURAL GAS IMPURITIES TO THE SURFACE TENSION OF BLENDED PIPERAZINE-N-METHYLDIETHANOLAMINE (MDEA) SOLUTION

open access: yesReaktor, 2012
This study focuses on the effect of impurities in the natural gas stream on the characteristic of surface tension in the blended piperazine and MDEA solution.
Iwan Ratman, Ahmad Fauzi Ismail
doaj   +1 more source

Mechanisms of unprimed and dexamethasone‐primed nonviral gene delivery to human mesenchymal stem cells

open access: yesBiotechnology and Bioengineering, Volume 116, Issue 2, Page 427-443, February 2019., 2019
Human mesenchymal stem cells (hMSCs) are under intense study for applications of cell and gene therapeutics because of their unique immunomodulatory and regenerative properties. Safe and efficient genetic modification of hMSCs could increase their clinical potential by allowing functional expression of therapeutic transgenes or control over behavior ...
Andrew Hamann   +3 more
wiley   +1 more source

Foam Behaviour of An Aqueous Solution of Piperazine- N-Methyldiethanolamine (MDEA) Blend as A Function of The Type of Impurities and Concentrations

open access: yesInternational Journal of Science and Engineering, 2010
This study focuses on the effect of impurities in the natural gas stream on the characteristic of foam behaviour in the blended piperazine and MDEA solution.
Iwan Ratman   +2 more
doaj   +1 more source

Quality Assurance in Environmental Technology Verification (ETV): Analysis and Impact on the EU ETV Pilot Programme Performance

open access: yesManagement Systems in Production Engineering, 2018
Many innovative environmental technologies never reach the market because they are new and cannot demonstrate a successful track record of previous applications. This fact is a serious obstacle on their way to the market.
Molenda Michał   +1 more
doaj   +1 more source

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