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All Journal Jurnal Ilmu dan Teknologi Kayu Tropis Cakrawala Pedagogik
Tasya Saskia
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Agriculture, Biological Sciences & Forestry Humanities Education Languange, Linguistic, Communication & Media Library & Information Science

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Karakteristik Kimia Biomassa untuk Energi (Chemical Characteristics of Biomass for Energy) Deded S Nawawi; Anne Carolina; Tasya Saskia; Deni Darmawan; Siti L Gusvina
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 16, No 1 (2018): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (613.597 KB) | DOI: 10.51850/jitkt.v16i1.441

Abstract

The chemical components of biomass were composed mainly by three elements, i.e. carbon, hydrogen, and oxygen. These elements composition may contribute to proximate properties and calorific value of biomass. Characterization of wood, wood bark, and bamboos biomass and its relation to biomass quality for energy were carried out based on their chemical components contents. The analyses of chemical components of biomass were performed according to Technical Association of Pulp and Paper Industry (TAPPI) standard and proximate analysis was carried out according to American Society for Testing and Materials (ASTM) standard. The characteristics of biomass for energy could be evaluated based on its chemical components; especially by cellulose/lignin ratio (C/L) and hemicellulose/lignin ratio (H/L). Generally, appropriate quality of lignocellulose biomass for energy tend to exhibit low C/L and H/L ratios, that is due to obtain low volatile content and high calorific value. Lignin seems to be the most responsible chemical component for high calorific value of biomass. The classification of biomass based on the chemical components ratios would be applicable for biomass with less heterogeneity in ash content and in the quite similar extractives content.
KEMITRAAN ORANGTUA DAN GURU DALAM MEMBANGUN PERILAKU HIDUP BERSIH DAN SEHAT ANAK USIA 5 - 6 TAHUN DI RA AL- IZZAH KOTA SERANG Tasya Saskia; Imroatun; Uyu Mu’awwanah
Cakrawala Pedagogik Vol. 10 No. 1 (2026): Cakrawala Pedagogik
Publisher : Sekolah Tinggi Keguruan dan Pendidikan Syekh Manshur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51499/cp.v10i1.916

Abstract

This study aims to determine the partnership between parents and teachers in building Clean and Healthy Behavior (PHBS) for early childhood aged 5 - 6 years at RA Al-Izzah, Serang City. This study uses a qualitative descriptive approach with data collection methods through observation, interviews, and documentation. The research subjects included the principal, one Class B teacher, and five parents, with details of three boys and two girls. The study focused on forms of partnership between parents and teachers in educating children to apply clean and healthy behaviors, such as washing hands with soap, maintaining personal and environmental hygiene, consuming nutritious food, and getting used to light exercise. The results show that the partnership between parents and teachers at RA Al-Izzah has run well and effectively, as reflected in the active involvement of parents in school activities, intensive communication between teachers and parents, as well as the consistent habituation of clean and healthy behavior at school and at home. Nevertheless, there are still some obstacles, such as the lack of motivation of some children and limitations of certain infrastructure. Overall, this partnership contributes significantly to increasing children's awareness of the importance of personal and environmental hygiene as part of character building for health from an early age.
Co-Authors Anne Carolina Deded Sarip Nawawi Deni Darmawan Imroatun Siti L Gusvina Uyu Mu’awwanah