Results 21 to 30 of about 8,630 (183)
An alternative approach in finding the stationary queue length distribution of a queueing system with negative customers [PDF]
ITM Web of Conferences, 2021 A single-server queueing system with negative customers is considered in this paper. One positive customer will be removed from the head of the queue if any negative customer is present. The distribution of the interarrival time for the positive customer
Koh Siew Khew +3 more
doaj +1 more source
International Journal of Infectious Diseases, 2022 Purpose: We aimed to investigate the prevalence of antibodies against SARS-CoV-2 virus among blood donors in Klang Valley; a cohort that represent healthy individuals in a city which recorded a high number of COVID-19 infections in the country.
A.M.A. Shukri +7 more
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Effect of ceramic tiles dust on physical and engineering properties of tropical residual soil [PDF]
E3S Web of Conferences, 2022 Ceramic tile dust is a by-product from manufacturing plant or construction site which leads to the disposal or environmental issues. Previous research has identified the potential of ceramic tile dust in concrete and soil stabilisation.
Chong Siaw Yah +5 more
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Majalah Geografi Indonesia, 2016 Penelitian ini tentang ketidaksesuaian area sungai pada kawasan lindung di Sungai Pedindang, Kota Pangkalpinang. Tujuan dari penelitian adalah (1) untuk mengindentifikasi ketidaksesuaian penggunaan kawasan lindung sempadan sungai; (2) untuk ...
Agung Ferianda, Bakti Setiawan
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BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains, 2022 This study aims to analyze the water quality of the Barumun river in Pinang City based on water quality criteria and formulate a pollution control strategy that needs to be implemented. The method used is descriptive and quantitative by analyzing river water quality status based on the pollution index.
Desi Nursaini, Arman Harahap
openaire +1 more source
Biotropika: Journal of Tropical Biology, 2020 Air selalu menjadi kebutuhan penting dalam memenuhi segala aspek kehidupan bagi semua makhluk hidup. Keberadaan sumber daya perairan harus didukung dengan kuantitas yang tercukupi serta kualitas yang baik.
Bayu Agung Prahardika +1 more
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Rancang Bangun SPK Kualitas Air Sungai Metode Fuzzy Tsukamoto (Studi Kasus: 4 Kecamatan Karawang)
Computer ScienceResearch reveals that the Citarum River in West Java is seriously polluted, causing problems for humans and the environment, so monitoring of river water quality is necessary.
Fery Anuar Ramadhan Putra +2 more
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Konsep Pengembangan DAS Cisangkuy
Jurnal Teknik Sipil, 2022 Sungai Cisangkuy merupakan salah satu bagian hulu dari sistem satuan Wilayah Sungai Citarum. Sungai ini mengalir dari Gunung Wayang di Selatan Bandung hingga Sungai Citarum di Kecamatan Dayeuhkolot Kabupaten Bandung.
Rosa Rosdiana +3 more
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Analisa Agregat Pasir Sungai Selangis, Sungai Kikim dan Sungai Ogan terhadap Kuat Tekan Beton Fc’24
Jurnal Teknik Sipil ITP, 2022 Pasir sungai merupakan salah satu material bahan pembuat beton. Agregat pasir Sungai Selangis, Sungai Kikim dan Sungai Ogan sering digunakan oleh masyarakat ataupun instansi yang bergerak di bidang konstruksi. Dari masing-masing sungai tentunya memiliki kualitas agregat pasir yang berbeda sehingga dapat mempengaruhi kuat tekan beton.
Nurnilam Oemiati +2 more
openaire +1 more source
Analisis Angkutan Sedimen Floodway Sedayu Lawas Di Bengawan Solo 10 Tahun Pasca Pelaksanaan
Jurnal Teknik Hidraulik, 2017 Floodway Sedayu Lawas mempunyai panjang 12.65 km dengan lebar alur mencapai 100 m, melewati Bukit Rembang mengalir dari Bengawan Solo dan bermuara di Laut Jawa. Intake floodway terletak 24 km dari Babat dan 71 km dari Muara Ujungpangkah.
Sarwono Sarwono +2 more
doaj +1 more source