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“acid-base” için 6 makale

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High School Students’ Understanding of Acid-Base Concepts: An Ongoing Challenge for Teachers

Muhd Ibrahim Muhamad Damanhuri, David F. Treagust, Mihye Won +1 yazar

International Journal of Environmental and Science EducationCilt 2016/11, Sayı 1

Using a quantitative case study design, the Acids-Bases Chemistry Achievement Test (ABCAT) was developed to evaluate the extent to which students in Malaysian secondary schools achieved the intended curriculum on acid-base concepts. Responses were obtained from 260 Form 5 (Grade …

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DEVELOPMENT OF MEANS OF HANDS PROTECTION FROM AGGRESSIVE ENVIRONMENT EFFECTS AND THEIR ASSESSMENT

Anatolyi Nikolaevich Detsina, Natalya Sergeevna Egina, Larisa Petrovna Evseeva

Theoretical & Applied ScienceCilt 2013/8, Sayı 12

В статье рассматривается проблема разработки cocтава защитного крема для рук, дается анализ требований к его компонентам, предлагаются рецепты состава двух вариантов крема для защиты рук от воздействий агрессивных агентов водной и органической сред.

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