Claim Missing Document
Check
Articles

Found 22 Documents
Search

Pemanfaatan Hasil Samping Minyak Sawit (Gliserol) Sebagai Bahan Pembuatan Alkid Resin Yuni Adiningsih; Fauziati Fauziati
Jurnal Riset Teknologi Industri Vol 4 No 7 Juni 2010
Publisher : Balai Riset dan Standardisasi Industri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (782.722 KB) | DOI: 10.26578/jrti.v4i7.1463

Abstract

There are many ways to improve added value of crude palm oil and core palm oil from alkyd resin for coating industry. Alkyd is made  by polymerizing  condense  ester of reaction acid of polycarboxylic and alcohol. Now a days resin alkyd are made from soya oil, sun flower oil and castor oil, which means that the prospect of resin alkyd from CPO is very good. This researcb used proportion of CPO. glycerol and Phtalic Acid weight is 2: 1:0,5, 2: 1: 1, and  2: 1 :2. The best result of this research in  percent weight of paint making is 2: I : 2. 
Pengembangan Media Pembelajaran Hand Out Tipe Corner Pada Mata Pelajaran Biologi SMP Kelas VIII Pada Materi Sistem Pencernaan Fauziati Fauziati; Asmawati Kamal; Afrahamiryano Afrahamiryano
Eduscience Development Journal Vol. 1 No. 1 (2019): Eduscience Development Journal (EDJ)
Publisher : Pendidikan Biologi FKIP UMMY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1029.054 KB) | DOI: 10.36665/edj.v1i1.107

Abstract

This research was motivated because the media in schools did not facilitate students in learning. The purpose of this research is to produce valid and practical hand outs. This type of research is development research (Research and Development), using 4D development, namely difine, design, development, and dissemination. The instruments used were questionnaires for material experts, language experts, response teachers, and student responses. The subjects of the trial in this study were 22 eighth grade students of Bukit Sundi 1 Public Middle School, but in this study the distribution was not carried out. In the defining stage, needs analysis, student analysis and task analysis were carried out, in the design of the design media design was carried out, at the development stage validation tests were carried out by 3 validators and practical tests by teachers and students at Bukit Sundi 1 Junior High School class VIIIe. Based on data analysis, questionnaire and language expert validation reached 85.30% and 85.50%. Practicality by teachers reached 88.14% and 87.00% students. Based on these stages, it is produced a valid and practical Corner type learning media