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All Journal Majalah Ilmiah Bahari Jogja Saintara : Jurnal Ilmiah Ilmu-Ilmu Maritim eJournal Kedokteran Indonesia
Lusiani Lusiani
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Biochemistry, Genetics & Molecular Biology Computer Science & IT Economics, Econometrics & Finance Education Engineering Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Physics Public Health Social Sciences Transportation

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ANALISIS ARAH DAN KECEPATAN ANGIN DENGAN APLIKASI WRPLOTS Lusiani Lusiani; Teguh Wardoyo
Majalah Ilmiah Bahari Jogja Vol 15 No 25 (2017): BAHARI Jogja Edisi Juli 2017
Publisher : Sekolah Tinggi Maritim Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1846.01 KB) | DOI: 10.33489/mibj.v15i25.125

Abstract

The research was conducted at one point in Cilacap Waters in order toanalyze wind direction and speed with WRPLOTS application in 1 year periodfrom January to December 2015. Data obtained from BMKG Cilacap withdetails of wind direction and speed every hour (24 hours). Based on thepercentage of wind direction and speeds studied over the course of a year(January to December 2015) shows that winds move with wind speeds movingat top speeds of more than 22 knots with a 29.0% percentage rate and movingaround east and south.Key words: Wind, water, WRPLOTS
Desain Diameter Pipa secara Matematis pada Pembangkit Listrik Panas Laut (Oceans Thermal Energy Conversion) Andi Hendrawan; Lusiani Lusiani; Aji Kusumastuti Hendrawan
SAINTARA Vol 6 No 2 (2022): SAINTARA (September 2022)
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (185.583 KB) | DOI: 10.52475/saintara.v6i2.177

Abstract

The issue of renewable energy is something that has often been discussed, especially since oil reserves are running low, the electricity supply that is indispensable for the sustainable development of infrastructure. One of the renewable energy sources is the marine thermal energy conversion system (OTEC). Renewable energy in time will become the mainstay of national and world energy because in fifty years an energy crisis may occur. OTEC's energy sources are re-emerging because of fears that an energy crisis will occur. The purpose of this study was to determine the mathematical model of the Popa OTEC design. The OTEC design is inseparable from the plumbing device, both cold water pipes, warm water and NH3 water. This research is a mathematical model of pipe design in a marine thermal power plant. The research begins with a literature review, namely previous research on OTEC (oceans thermal energy coversion). The results of the research are the determination of the diameter formula used to determine the pipe diameter, for cold seawater, warm seawater and NH3 or ammonia pipes. The design can be used to determine the variable diameter of the pipe with variations in discharge and flow velocity.
Pengaruh Fungsi Ginjal Sebelum Intervensi Koroner Perkutan Primer Terhadap Perbedaan Kesintasan 30 Hari Pasien Infark Miokard Elevasi Segmen ST Fahmi Razi Darkuthni; Sally Aman Nasution; Aida Lydia; Murdani Abdullah; Dono Antono; Cleopas Martin Rumende; Maruhum Bonar Hasiholan Marbun; Hamzah Shatri; Arif Mansjoer; Ika Prasetya Wijaya; Lusiani Lusiani
eJournal Kedokteran Indonesia Vol 10, No. 3 - Desember 2022
Publisher : Faculty of Medicine Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23886/ejki.10.195.204-11

Abstract

Penyakit jantung koroner merupakan penyebab kematian penyakit kardiovaskular utama di Indonesia. Revaskularisasi fase akut secara mekanis maupun farmakologis merupakan tatalaksana utama pada STEMI. Mortalitas paska revaskularisasi masih tinggi. Salah satu faktor penting yang memengaruhi kesintasan pasien STEMI adalah fungsi ginjal. Gangguan fungsi ginjal yang dicerminkan dengan estimated glomerulus filtration rate (eGFR) < 60 diketahui berhubungan dengan perfusi miokard yang buruk paska IKP primer. Penelitian ini bertujuan untuk memberikan gambaran karakteristik pasien STEMI yang menjalani IKP primer berdasarkan fungsi ginjal sebelum IKP dan menganalisa perbedaaan kesintasan dalam 30 hari pasien STEMI-IKP primer berdasarkan fungsi ginjal sebelum IKP. Metode studi observasional kohort retrospektif dan pengukuran fungsi ginjal dikelompokkan berdasarkan eGFR dengan rumus CKD-EPI menjadi dua yaitu eGFR < 60 dan eGFR ≥ 60. IKP primer dilakukan pada 211 pasien STEMI. Insiden mortalitas eGFR < 60 sebesar 14,7%, sedangkan dengan eGFR ≥ 60 sebesar 4,4%. Perbedaan kesintasan pasien STEMI-IKP antar-kelompok eGFR (p < 0,05) dengan crude HR (IK95%) 3,433 (1,269-9,284). Tidak terdapat perbedaan kesintasan pasien STEMI-IKP antar-kelompok eGFR setelah di-adjusted. Mortalitas dalam 30 hari pada kelompok eGFR < 60 lebih tinggi dibandingkan dengan kelompok eGFR ≥ 60. Kata kunci: infark miokard akut, intervensi koroner perkutan, fungsi ginjal, mortalitas.
Co-Authors Aida Lydia Aji Kusumastuti Hendrawan Andi Hendrawan Arif Mansjoer Cleopas Martin Rumende Dono Antono Fahmi Razi Darkuthni Hamzah Shatri Ika Prasetya Wijaya Maruhum Bonar Hasiholan Marbun Murdani Abdullah Sally Aman Nasution Teguh Wardoyo