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All Journal International Journal of English and Applied Linguistics (IJEAL) Jurnal Teknik Mesin Sinergi
Mahyati Mahyati
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Education Energy Languange, Linguistic, Communication & Media Mechanical Engineering

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Analisis Motor Bakar Berbahan Bakar Premium Dengan Penambahan Aditif Bioetanol dari Limbah Tongkol Jagung Muhammad Ridwan Hidayat; Adi Taufik Samara; Mahyati Mahyati; La Ode Musa; Apollo Apollo
Jurnal Teknik Mesin Sinergi Vol 10, No 1 (2012): April 2012
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (332.703 KB) | DOI: 10.31963/sinergi.v10i1.1083

Abstract

Tujuan penelitian ini untuk mengetahui pengaruh penambahan aditif bioetanol kedalam premium terhadap unjuk kerja dan emisi gas buang mesin bensin merk Enduro XL TD 110. Penelitian ini dilakukan dengan membandingkan premium murni terhadap campuran premium ditambahkan bioetanol yang berasal dari limbah tongkol jagung dengan variasi penembahan sebesar 25 ml, 50 ml, 75 ml dan 100 ml yang dilakukan pada beban konstan dan variasi putaran mulai 1500 rpm sampai 3500 rpm dengan interval 500 rpm. Hasil penelitian menunjukkan bahwa terdapat pengaruh penambahan bioetanol kedalam premium terhadap unjuk kerja mesin bensin dimana diperoleh kenaikan daya rata-rata terbesar pada penambahan 100 ml = 0,194 kW dan penurunan emisi gas buang yang optimum diperoleh pada campuran premium dengan penambahan 100 ml dibanding variasi yang lain dengan kadar sebesar: CO = 0,84 %, CO2= 10,5 % pada putaran 3000 rpm dan HC = 42 ppm pada putaran 3500 rpm, sesuai standar baku mutu emisi gas buang yang ditetapkan pemerintah.
DOES MEANING MATTER MORE THAN TUNE? (The adult learners’ perceptions on the application of Taylor Swift’s song in EFL context) Edy Supriyanto; Galuh Fitriana Sakti; Mahyati Mahyati; Albertus Krisna Prihasdha; Aam Alamsyah; Novita Sari Dwi
International Journal of English and Applied Linguistics (IJEAL) Vol. 6 No. 2 (2026): Volume 6 Number 2 August 2026
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/ijeal.v6i2.9137

Abstract

Song efficacy in EFL and the figurative language in songs have both been widely researched, especially among students of letters. This study examined figurative language in a popular Taylor Swift song and its application in the EFL context. It focused on students’ perceptions of using English songs in their EFL programs, whether the lyrics motivate adult students to learn more, and their perceptions of using Taylor Swift’s song (Eldest Daughter) in EFL learning. The study used a qualitative method to identify students’ perceptions regarding the use of English songs and figurative language in EFL learning. It involved 26 participants, mainly fourth- and fifth-semester English department students, who had attended an English adult EFL program. Using two instruments and triangulation, the study ensured valid findings. The main findings showed that, while students found English songs to be an effective alternative in EFL activities, most preferred songs with topics relevant to their personal learning objectives. The specific use of a Taylor Swift song ('Eldest Daughter') was seen as less relevant to their cultural backgrounds.    
Co-Authors aam alamsyah Adi Taufik Samara Albertus Krisna Prihasdha Apollo Apollo Edy Supriyanto Galuh Fitriana Sakti La Ode Musa Muhammad Ridwan Hidayat Novita Sari Dwi