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All Journal Jurnal Pekommas al-Afkar, Journal For Islamic Studies QiST: Journal of Quran and Tafseer Studies Proceeding of International Conference Health, Science And Technology (ICOHETECH)
Cahyani Windarto
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Religion Humanities Computer Science & IT Decision Sciences, Operations Research & Management Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Social Sciences Other

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Sistem Pakar Berbasis Aturan untuk Otomatisasi Penyusunan Angka Kredit Instruktur Berbasis Web Cahyani Windarto; Hanung Adi Nugroho; Indriana Hidayah
Jurnal Pekommas Vol 17, No 2 (2014): Agustus 2014
Publisher : BBPSDMP KOMINFO MAKASSAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (776.908 KB) | DOI: 10.30818/jpkm.2014.1170202

Abstract

Efisiensi penyelenggaraan birokrasi telah menjadi salah satu parameter penilaian kinerja kelembagaan. Intelligent Penyusunan Angka Kredit (iPAK) merupakan sistem cerdas dalam penyusunan angka kredit instruktur yang diaplikasikan dengan pendekatan rule based untuk mendapatkan angka kredit yang mencerminkan prestasi kerja instruktur. Aturan disusun berdasarkan persyaratan angka kredit yang tercantum dalam peraturan perundangan dan pengalaman praktek penyusunan angka kredit. Kegiatan administrasi dalam penyusunan angka kredit berupa pengumpulan dokumen memberikan peluang mengoptimalkan penggunaan kertas dengan penerapan metoda six sigma untuk menghilangkan pemborosan dan kesalahan pencetakan. Prototipe aplikasi iPAK (Intelligent Penyusunan Angka Kredit) dibangun dengan bahasa pemrograman PHP, database MySQL dan CSS untuk tampilan antar muka. Implementasi otomatisasi penyusunan angka kredit akan meningkatkan sigma level dari 2,81 menjadi 4,53 yang artinya kontrol dan penggunaan teknologi telah meningkat.
Meaning of The Word Ta'lamun in The Qur'an Hidayah, Nurul; Rasyid, Ahmad Ridwan Al; Windarto, Cahyani
QiST: Journal of Quran and Tafseer Studies Vol. 3 No. 3 (2024): December
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/qist.v3i3.5166

Abstract

The development of meaning occurs in all words in the world. This happens because humans interact with words from a language so that over time they will develop. These changes can be in the form of specializing a word, expanding a word, increasing the meaning of a word, decreasing the quality of a word, deleting the meaning of a word, or multiplying a meaning. This research focuses on library research by examining the word ta'lamun which is used in the verses of the Qur'an. From the verses of the Qur'an studied, it was found that the word ta'lamun experienced a development in the meaning of the word in terms of specialization of meaning, so that the meaning of ta'lamun has a meaning that adapts to the context of the sentence in which the word ta'lamun is located.
The Role of Technological Pedagogical Content Knowledge (TPACK) on Motivation of Arabic Learning: Case study at Dar Ath-Thalibat Arabic Learning Center Nurul Hidayah; Hafidah; Muhammad Nanang Qosim; Cahyani Windarto
al-Afkar, Journal For Islamic Studies Vol. 8 No. 4 (2025)
Publisher : Perkumpulan Dosen Fakultas Agama Islam Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/afkarjournal.v8i4.1685

Abstract

In a world where communication is becoming more and more integrated, learning Arabic is crucial for enhancing both language and cultural competency. The Technology-Pedagogical Content Knowledge (TPACK) approach seems to be a useful strategy for increasing student engagement. This study looks into how TPACK competency affects the Arabic language learning process. This study used a descriptive methodology and a qualitative strategy to gather data through literature review techniques and observational investigations of relevant research on the subject at hand. The study's findings indicate a special connection between TPACK competency and student motivation. The material is then presented in video format for speaking using the web-based learning platform. The varied findings analysed in this study indicate that the Teacher TPACK competency can help teachers develop more engaging lessons while also enhancing student motivation and engagement.
Numerical investigation on the combustion performance and emission formation of ammonia spark ignition engine using direct injection and multi coils spark-ignition strategy Windarto, Cahyani; Utami, Indah Wahyu
Proceeding of the International Conference Health, Science And Technology (ICOHETECH) 2025: Proceeding of the 6th International Conference Health, Science And Technology (ICOHETECH)
Publisher : LPPM Universitas Duta Bangsa Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47701/7rxrz521

Abstract

Future internal combustion engines can achieve zero carbon emissions by using ammonia, an efficient hydrogen energy carrier with a greater energy density and a more sophisticated production-storage-transportation lifecycle. Ammonia fuel's laminar flame speed is comparatively sluggish, nevertheless, which leads to less than ideal combustion performance. Investigating the impact of direct injection and the multi-coil method on ammonia spark ignition engine performance was the goal of this study. The simulation's output was then verified using standard diesel fuel and the literature on combustion performance for RCEM engines. At four SOIs between 40o and 0o BTDC, with varying multi-coil spark timing of ignition under high compression ratio of 17, the combustion performance and emission production of ammonia direct injection were examined using the created numerical model. As the timing of the spark increased, there was a tendency for the velocity and turbulence intensity to rise and then decline. Increased spark timing can improve ignition stability, reduce combustion time, reduce cooling loss, and boost output power. Ammonia flame propagation is sensitive to temperature and flow field. Regretfully, when the spark timing increases, the NOx emission progressively increases. By offering a basic ignition method for ammonia engines, this result holds promise for the transition of internal combustion engines to zero carbon ammonia engines.
Co-Authors Hafidah Hanung Adi Nugroho Indriana Hidayah Muhammad Nanang Qosim Nurul Hidayah NURUL HIDAYAH Rasyid, Ahmad Ridwan Al Siti Helmyati Utami, Indah Wahyu