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Komparasi Paduan Ethanol dan Dietyl Ether (DEE) pada Gasoline Terhadap Performa Spark Ignition (SI) Engine Sanjaya, Firman Lukman; Faqih Fatkhurrozak; Nur Aidi Ariyanto; Sigit Setijo Budi; Andre Budhi Hendrawan; Syarifudin
Infotekmesin Vol 17 No 1 (2026): Infotekmesin: Januari 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v17i1.3105

Abstract

The limited availability of fossil fuels and the growing demand for energy have led to a global energy crisis. Ethanol and DEE can be used as alternative energy to replace fossil fuels. Ethanol and DEE have high RON and oxygen content, as well as low viscosity, which accelerates the flame, thereby increasing torque and SI engine power. DEE is still rarely used as a gasoline blend, but its chemical characteristics can improve engine combustion. This study aims to compare the use of gasoline-ethanol and gasoline-DEE blends on SI engine performance. The test results prove that the DEE15 blend produces the highest torque value of 4.37 N.m or an increase of 28% compared to pure gasoline. The E15 blend produces the highest SI engine torque value of 4.31 N.m or an increase of 26% compared to pure gasoline. In addition, SI engine power increases by 28% in DEE15 and 26% in E15 compared to pure gasoline. From these test results, the use of a gasoline-DEE blend can improve SI engine performance better than gasoline-ethanol.
PENGARUH LAYANAN BIMBINGAN KELOMPOK TERHADAP PERKEMBANGAN EMOTIONAL INTELLIGENCE (EQ) SISWA KELAS XI DI MA NEGERI 2 SAMARINDA Nesya Maylafayza Indriani; Dwi Nugroho Hidayanto; Nuril Hidayanti; Rury Muslifar; Syarifudin
FOKUS : Kajian Bimbingan dan Konseling dalam Pendidikan Vol. 9 No. 1 (2026): Vol 9, No 1 Januari 2026
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/fokus.v9i1.29650

Abstract

Emotional problems among students can significantly hinder their social and academic growth, emphasizing the need to foster emotional intelligence during adolescence. This study investigates the low ability of students to recognize and regulate emotions, which affects their adjustment at school. A quantitative approach with a one-group pretest–posttest design was employed. The population included 329 eleventh-grade students at MA Negeri 2 Samarinda, with a purposive sample of six students identified as having low emotional intelligence. Data were collected using The Schutte Self-Report Emotional Intelligence Test (SSEIT) and analyzed through normality and paired sample t-tests. The average pretest score was 37.33, which increased to 71.00 after the group counseling intervention, showing an improvement of 33.67 points. These findings indicate that group counseling services significantly enhance emotional intelligence among eleventh-grade students, helping them better understand, manage, and express their emotions constructively.
Religious Guidance Through Weekly Prayer Meetings At The Nur Qolbu Sampit Mosque Syarifudin; Syarif, Ahmad
Jurnal Hadratul Madaniyah Vol. 13 No. 1 (2026): Jurnal Hadratul Madaniyah
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/jhm.v13i1.11661

Abstract

This study examines the implementation of religious guidance through weekly recitations at the Nur Qolbu Sampit Mosque. The background of this study stems from the gap between the routine religious activities at the mosque and the limited depth of understanding and practice of Islamic teachings among the congregation. This study aims to analyze (1) the implementation of religious guidance through weekly recitations, and (2) the supporting and inhibiting factors in its implementation. Using a descriptive qualitative approach, data was obtained through observation, interviews with ustadz, mosque administrators, and congregations, as well as documentation studies. The results show that regular recitations are conducted through lectures based on classical texts, discussions, and interactive question and answer sessions. These  activities  have  been  proven  to increase  the  congregation's understanding of aqidah, fiqh, and akhlak, as well as have a positive impact on their worship, social behavior, and spiritual condition. The main supporting factors include adequate facilities, the competence of the ustadz, and the strong commitment of the mosque administrators. Conversely, inhibiting factors are related to fluctuating congregational attendance and differences in prior knowledge  levels. This study  emphasizes  the importance  of mosques  as centers for continuous religious education and provides recommendations for improving the effectiveness of mosque-based learning programs.
Penguatan Implementasi Zero Waste di Kampus Jakarta Selatan melalui Edukasi Nilai-Nilai Al-Qur’an dan Peningkatan Kesadaran Pemilahan Sampah Derysmono; Al Kahfi; Nurul Fadilah; Rahmi Nur Azizah; Hanif , Muhammad; Syarifudin
CITAKARYA Jurnal Pengabdian Masyarakat Vol. 4 No. 01 (2026): Februari - April
Publisher : CITAKARYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/citakarya.v4i01.3106

Abstract

Pengelolaan sampah di lingkungan kampus Islam Jakarta Selatan belum berjalan optimal meskipun fasilitas pemilahan telah tersedia. Kajian ini bertujuan mendeskripsikan dan menganalisis bagaimana edukasi nilai-nilai Al-Qur'an dapat memperkuat kesadaran pemilahan sampah sebagai fondasi implementasi zero waste di kampus-kampus Jakarta Selatan serta merumuskan model penguatan integratif berbasis ekoteologi Islam. Pendekatan yang digunakan adalah kualitatif deskriptif dengan observasi lapangan terhadap sepuluh perguruan tinggi di Jakarta Selatan yang diperkuat kajian literatur ilmiah relevan. Hasil kajian menemukan bahwa tidak ada satu pun kampus yang memiliki program edukasi ekoteologi Islam yang terstruktur dan berkelanjutan, serta terdapat kesenjangan infrastruktur antara kampus Islam dengan kampus umum khususnya pada fasilitas pengelolaan sampah plastik. Nilai-nilai Al-Qur'an, khalifah fil ardh, amanah, thaharah, larangan israf dan tabdzir, mizan, serta larangan fasad membentuk sistem ekoteologi yang berpotensi besar sebagai fondasi motivasi intrinsik perilaku zero waste, namun belum dioperasionalisasikan secara konkret dalam kehidupan kampus karena adanya disconnection antara pengetahuan teologis dan praksis ekologis mahasiswa. Kajian ini merumuskan model penguatan zero waste berbasis ekoteologi Islam yang mencakup empat komponen: penguatan fondasi nilai melalui integrasi kurikuler, program edukasi pemilahan sampah yang berkelanjutan, peningkatan infrastruktur pemilahan, serta komitmen komunitas dan kelembagaan yang diformalisasikan dalam kebijakan kampus.
TEORI MUBADALAH DAN APLIKASINYA DALAM PENELITIAN GENDER Syarifudin
Dirasat: Journal Islamic Studies Vol. 2 No. 2, Oktober (2025): Dirasat: Journal Islamic Studies
Publisher : STAI Dirosat Islamiyah Al-Hikmah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71287/dirasat.v2i2, Oktober.537

Abstract

Gender discourse in Islam has continued to evolve alongside growing critical awareness of patriarchal bias embedded in classical exegetical and juridical traditions. Various strands of Islamic feminism have sought to reconstruct more gender-just interpretations of religious texts; however, these approaches often encounter normative resistance within mainstream Muslim communities. This article aims to examine the theory of Mubadalah, developed by Faqihuddin Abdul Kodir, as an alternative hermeneutical framework in Islamic gender studies. Employing a qualitative library-based research method, this study utilizes conceptual and hermeneutical analysis, combined with critical engagement with global Islamic feminist scholarship. The findings reveal that Mubadalah offers a relational interpretive paradigm grounded in the principle of reciprocity, positioning men and women as equal moral subjects in receiving religious commands, prohibitions, and ethical teachings. Unlike certain strands of global Islamic feminism that emphasize structural critiques of classical interpretive authority, Mubadalah operates from within the Islamic textual and scholarly tradition by foregrounding maq??id al-shar?‘ah as its primary ethical orientation. This approach not only reconstructs gender-biased interpretations of religious texts but also generates significant theoretical and practical implications for public policy, family relations, and Islamic education. This article contributes to Islamic gender studies by positioning Mubadalah as an indigenous Islamic gender hermeneutics that mediates the tension between global Islamic feminism and normative Islamic tradition. The study demonstrates that Mubadalah holds transformative and sustainable potential for advancing gender justice within contemporary Muslim societies.
Efektivitas Penggunaan Media Pembelajaran Berbasis STEAM Untuk Meningkatkan Literasi Lingkungan dan Keterampilan Pemecahan Masalah Terkait Hutan Mangrove Pada Siswa SMP di Kota Masohi Maluku Tengah Syarifudin; Pamela Mercy Papilaya; Hermalina Sinay
Jurnal Pendidikan : Riset dan Konseptual Vol 10 No 2 (2026): Volume 10, Nomor 2, April, Tahun 2026
Publisher : Lembaga Penelitian dan Pengabdian Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/riset_konseptual.v10i2.1495

Abstract

Penelitian ini bertujuan menganalisis efektivitas media pembelajaran berbasis STEAM dalam meningkatkan literasi lingkungan dan keterampilan pemecahan masalah siswa SMP terkait ekosistem hutan mangrove di Kota Masohi, Maluku Tengah. Metode yang digunakan adalah kuantitatif dengan desain quasi experimental pretest-posttest control group. Sampel dipilih menggunakan cluster random sampling melibatkan siswa kelas VIII dari tiga sekolah. Instrumen meliputi tes literasi lingkungan, tes keterampilan pemecahan masalah, angket sikap, dan lembar observasi. Analisis data menggunakan uji normalitas, homogenitas, ANCOVA, N-Gain, dan effect size. Hasil menunjukkan peningkatan signifikan pada kelas eksperimen dengan N-Gain kategori sedang (0,63) dibanding kelas kontrol (0,32), serta perbedaan bermakna secara statistik pada taraf signifikansi 0,05.
PRINSIP KERJASAMA DAN MUSYAWARAH DALAM RUMAH TANGGA (PERSPEKTIF ALQURAN SURAH AN-NISA AYAT 35) Syarifudin; Madaniah
El-Hikmah: Jurnal Ilmu Dakwah dan Komunikasi Vol. 21 No. 12, Juli (2024): El-Hikmah: Jurnal Ilmu Dakwah dan Komunikasi
Publisher : STAI DI AL-HIKMAH

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Issues between husbands and wives in a household are a common occurrence, whether they are minor or major. However, Islam teaches that these issues should be resolved in a better manner, namely through the method of deliberation and the principle of cooperation. In the Qur'an, Allah SWT provides the best guidelines for resolving conflicts in the household, as found in Surah An-Nisa, verse 35. This verse emphasizes the importance of a fair and wise mediator in resolving disputes between husbands and wives, ensuring that the issue is addressed in the right way, benefiting both parties. If the couple applies this method, they will find a better and more insightful way to handle various challenges in their marriage. This paper aims to examine the interpretation of Surah An-Nisa, verse 35, and understand the implications of the principle of deliberation in married life. By using both classical and contemporary exegesis approaches, this paper will explain how the principle of deliberation can not only be a solution to marital conflicts but also foster a more harmonious and blessed life. A good understanding of this verse is expected to serve as a guideline in building a strong family based on Islamic values.
Analisis Peningkatan Kadar Pasir Silika dengan Menggunakan Magnetic Separator untuk Memenuhi Kebutuhan Industri Kaca Pengaman Syahrani, Achmad Muharram; Juniah, Restu; Syarifudin; Rahmi, Hisni; Zakir, Syaifudin
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol. 24 No. 1 (2024): Regular Issue
Publisher : SEKOLAH TINGGI TEKNOLOGI INDUSTRI PADANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36275/gh9wja94

Abstract

Pasir silika merupakan salah satu bahan baku yang digunakan untuk industri kaca pengaman dengan kadar 99 % berdasarkan Standar Nasional Indonesia untuk industri kaca pengaman. Kadar SiO2 di Indonesia belum mencapai standar dalam industri kaca pengaman dimana rata-rata 90% sehingga perlu dilakukan proses pengolahan terhadap feed pasir silika untuk meningkatkan kadar SiO2. Penelitian bertujuan untuk menganalisis pengaruh faktor - faktor seperti lebar lubang umpan, lama waktu feed dan kecepatan putar magnet terhadap kualitas pasir silika, menganalisis kualitas pasir silika pada feed sebelum dilakukan pemisahan dengan alat magnetic separator; dan menganalisis kualitas pasir silika yang dihasilkan sesuai dengan Standar Nasional Indonesia industri kaca pengaman. Analisis peningkatan kualitas pasir silika melalui proses pengolahan menggunakan alat magnetic separator dengan variasi lebar lubang umpan yang digunakan 10 cm, 15 cm, dan 20 cm; variasi waktu feed yang digunakan 1 menit, 1,5 menit, dan 2 menit; variasi kecepatan putar magnet yang digunakan 100 rpm, 200 rpm, dan 300 rpm. Hasil penelitian menunjukkan bahwa hasil kadar SiO2 tertinggi dengan mengggunakan variasi lebar lubang umpan 10 cm, lama waktu feed 2 menit, dan kecepatan putar magnet 100 rpm yaitu dengan kadar konsentrat SiO2 sebesar 99,85% dan nilai recovery sebesar 82,12%.
Psychometric Evaluation of Tangney's The 10-Item Brief Self-Control Scale: Evidence from Indonesian Adolescence Alfan Kurniawan, Nanda; Dhiffa Ralianti, Destanika; Syarifudin; Abdillah, Muhaimin; M. Eka Fhitrah, Kmas; Salsabila Hanum, Aisyi
Jurnal Dunia Pendidikan Vol 6 No 5 (2026): Jurnal Dunia Pendidikan
Publisher : LPPM Sekolah Tinggi Olahraga dan Kesehatan Bina Guna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55081/jurdip.v6i5.5281

Abstract

Kontrol diri merupakan keterampilan psikologis kunci yang berpengaruh terhadap keberhasilan akademik, kesehatan mental, dan penyesuaian diri remaja. Brief Self-Control Scale (BSCS) banyak digunakan secara internasional, namun belum memiliki bukti psikometrik yang kuat dalam konteks Indonesia. Variasi bahasa, norma sosial, dan pola regulasi diri pada remaja Indonesia berpotensi memengaruhi akurasi pengukuran, sehingga uji validitas dan reliabilitas ulang menjadi penting untuk memastikan kesesuaian instrumen bagi penelitian dan asesmen berbasis bukti. Penelitian ini bertujuan mengevaluasi validitas dan reliabilitas BSCS 10 item pada 97 siswa Sekolah Menengah Atas menggunakan analisis korelasi item-total dan Cronbach’s Alpha. Hasil menunjukkan bahwa sebagian besar item memenuhi kriteria validitas, sementara satu item menunjukkan performa lemah. Reliabilitas keseluruhan berada pada α = 0,669, yang memadai untuk penelitian eksploratif. Temuan ini memberikan dasar empiris bahwa BSCS dapat digunakan dalam studi kontrol diri pada populasi Indonesia, namun diperlukan penyempurnaan dan pengujian lanjutan untuk penerapan yang lebih akurat dalam pendidikan karakter, promosi kesehatan mental, serta program intervensi yang selaras dengan tujuan SDG 3 dan SDG 4.
Co-Authors Aan, Milki Abubekar, Udin Aditya Kafi Amrullah Ahmad Farid Ahmad Syarif Aisyah Nur Atika Al Kahfi Alfan Kurniawan, Nanda Ali Murtadho Amanda, Ridho Rizky Ambarita, Novitasari Andre Budhi Hendrawan Andri Zulpan angelia, novita mayasari Anisa Siti Nurjanah Aprisal, Jelita Septiani Ardi Ariyanto, Nur Aidi Chatila Maharani Derysmono Desi Ramayanti Dhiffa Ralianti, Destanika Dina Liana Dwi Budi Srisulistiowati Dwi Nugroho Hidayanto Eflita Yohana Elizabeth Nafthaliana Bermuli Erasma Eva Eriani Faqih Fatkhurrozak Fatkhurrozak, Faqih Fatorrohman Firman Lukman Sanjaya Gunawan Haidor HANIF , MUHAMMAD Hermalina Sinay Hisni Rahmi Ida Rosyida Ilham Yustar Afif Insyaniyah, Inarotul Ita Fitriati K Khutobah Karina, Gladys Donna Khumaidi Usman, Muhamad Kurrata A’yunin Kusnadi Kuzmin Anton Lukman Sanjaya, Firman Lutfi Ariefianto Luthfi M. Edi Pujianto M. Eka Fhitrah, Kmas Madaniah Maimunah Masriani . Misno Muhaimin Abdillah MUHAMAD Muhammad Irfan Syahroni Muhammad Omar Rusydi Muhammad Subri Mukti, Aryani Kusuma Musdirwan Nesya Maylafayza Indriani NINA AGUSTINA Nur Aidi Ariyanto Nur Akhmadi, Amin Nuril Hidayanti Nurul Fadilah Oktia Woro Kasmini Handayani Pamela Mercy Papilaya Purnomo Rahmi Nur Azizah Ranjani, Gita restu juniah, restu Reza Gusni Saputra Ridhwan, M Rimanda, Fiqri Roby Rovi Azmi Rury Muslifar Saefudin, Slamet Safitri, Masna Nuros Salsabila Salsabila Hanum, Aisyi Samsudi Raharjo Sanjaya, Firman Lukman Sari Pratiwi, Yasintha Sherly Nelsa Fitri Sigit Setijo Budi Sikki, Nurhaeni Soni Ariawan Sri Mulyati Suhartana Sukatin, Sukatin Supriyanto Suwarjo Syahrani, Achmad Muharram Syaifudin Zakir, Syaifudin Syaiful Tjandring, Yuni Cynthia Dewi Widyaswati, Rahmatya Zaikalina, Rabbania Zidan Rais , Rifqi