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PENGENDALIAN KUALITAS PROSES FABRIKASI SAND FILTER Rahman, Asep; Sholih, Hilman
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 8 No 2 (2021): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK-Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v8i2.109

Abstract

Cadangan sumber daya air tanah yang terbatas, mendorong dunia industri untuk membatasi atau tidak lagi menggunakannya sebagai sumber daya air utama. Salah satu alternatif penggantinya adalah air sungai. Permasalahannya, pada sungai yang melintasi wilayah industri, tingkat pencemarannya tinggi. Hal ini disebabkan oleh adanya kontaminasi limbah industri, limbah rumah tangga/domestik, serta polutan lainnya. Untuk mengatasi masalah limbah tersebut, perusahaan perlu membangun sebuah sistem pengolahan air terpadu. Di dalam sistem tersebut, dibutuhkan sebuah bejana yang dinamakan Sand Filter Tank. Fungsi Nya, untuk menampung dan menyaring limbah kasar seperti plastik, sampah organik, lumpur, dan limbah rumah tangga lainya. Dalam tulisan ini akan dibahas mekanisme Quality Control pada fabrikasi Sand Filter Tank mulai dari material atau bahan baku sampai menjadi sebuah produk. Dengan sistem quality control yang baik, akan diperoleh produk sand filter yang sesuai dengan persyaratan spesifikasi pelanggan dan standar
Pelatihan Pengembangan Sistem Monitoring Suhu, Kelembapan dan Kadar CO2 di Udara Berbasis Internet of Things: Training on Monitoring System Development of a Temperature, Humidity, and Air CO2 Level Based on the Internet of Things Bakti, Andi Ikhtiar; As'ari, As'ari; Rahman, Asep
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 2 (2025): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v10i2.8762

Abstract

The temperature, humidity, and CO2 level monitoring system based on the Internet of Things provides real-time data with a high level of accuracy, accessible through technological devices such as smartphones, tablets, and notebooks. A commonly used IoT platform for this purpose is Blynk. In vocational high schools, students have been taught theoretically but have not implemented it effectively. Therefore, a community service activity was conducted through training on developing a temperature, humidity, and CO2 level monitoring system based on the Internet of Things for 50 students at SMK Negeri 1 Tomohon. This training is purposeful to provide students with knowledge and skills in using the temperature, humidity, and CO2 level monitoring system based on the Internet of Things. The methods used in this activity included socialization, training, practical sessions, demonstrations, and evaluations. Based on the training results, 90% of the students were able to understand the material well. The students were able to create a temperature, humidity, and CO2 level monitoring system based on the Internet of Things with good results.
Pengaruh Kualitas Website Dan Harga Terhadap Keputusan Pembelian Pada Konsumen Website Transmart Rahman, Asep
Inaba Journal Of Psychology Vol. 2 No. 1 (2024): Inaba Journal of Psychology, Vol. 2, Issue. 1, 2024
Publisher : Universitas Indonesia Membangun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56956/ijop.v2i1.396

Abstract

Pertumbuhan ekonomi ritel Indonesia menunjukkan adaptasi yang kuat meskipun terdampak pandemi Covid-19. Penelitian ini bertujuan menganalisis dampak kualitas Website dan harga terhadap keputusan dalam pembelian di Transmart Home Delivery, Transmart Carrefour Buah Batu. Dengan pendekatan kuantitatif deskriptif dan verifikatif menggunakan regresi linier berganda, penelitian ini melibatkan 100 responden melalui metode Simple Random Sampling. Hasil penelitian memperlihatkan keputusan pembelian, kualitas Website, dan harga berada dalam kategori baik. Analisis korelasi menunjukkan jika kualitas Website berpengaruh signifikan dan korelasi positif sangat kuat terhadap keputusan pembelian (nilai korelasi 0,854). Begitu pula, harga memiliki korelasi positif sangat kuat terhadap keputusan pembelian (nilai korelasi 0,880). Secara simultan, kualitas Website dan harga memengaruhi keputusan pembelian dengan tingkat pengaruh sebesar 79,7%, sementara 20,3% dipengaruhi faktor lain. Uji F menunjukkan Fhitung lebih besar dari Ftabel (189,91 > 3,09), menandakan bahwa kualitas Website dan harga berpengaruh signifikan secara bersama-sama terhadap keputusan pembelian. Hasil ini memperlihatkan bahwa kualitas Website dan harga adalah faktor utama dalam memengaruhi keputusan pembelian konsumen di platform ini.
The Relationship Between Duration of Online Game Playing and Sleep Quality Among Students at SMP Negeri 8 Manado Sundah, Marina Tesalonika; Rahman, Asep; Adam, Hilman
Journal of Scientific Insights Vol. 3 No. 1 (2026): Available online
Publisher : Science Tech Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69930/jsi.v3i1.640

Abstract

The increasing duration of online gaming among adolescents has raised public concern, particularly due to its potential impact on sleep quality. Sleep is a fundamental physiological need that is essential for physical growth, mental health, and overall well-being, aligning with Sustainable Development Goal (SDG) 3, which emphasizes ensuring healthy lives and promoting well-being for all ages. Adequate sleep also plays a crucial role in cognitive functioning, learning capacity, and academic performance, which are central to SDG 4, aimed at ensuring inclusive and equitable quality education. Excessive engagement in online gaming may lead to addictive behaviors and reduced sleep duration, ultimately resulting in poor sleep quality among adolescents. This study aimed to examine the relationship between the duration of online gaming and sleep quality among students at SMP Negeri 8 Manado. The study employed a quantitative approach using an analytical survey with a cross-sectional design. A total of 90 students were selected using the Lemeshow formula and stratified random sampling. Data were collected through questionnaires assessing online gaming duration and the Pittsburgh Sleep Quality Index (PSQI). Statistical analysis was conducted using Spearman’s rank correlation test. The findings revealed a significant negative correlation between the duration of online gaming and sleep quality (r = −0.577, p = 0.001), indicating that longer durations of online gaming are associated with poorer sleep quality among junior high school students. These results highlight the importance of regulating online gaming duration as part of health promotion and educational support strategies to enhance adolescent well-being and learning outcomes in line with the SDGs.