ABSTRAKKebutuhan akan listrik untuk kalangan industri, perkantoran, perumahan, termasuk untuk kapal-kapal perikanan meningkat dengan pesat. Peningkatan kebutuhan listrik ini tidak diiringi dengan penambahan pasokan listrik. Energi surya dapat dijadikan alternatif penghasil energi listrik. Sel surya dapat mengkonversi langsung radiasi sinar matahari menjadi energi listrik (proses photovoltaic). Energi listrik yang dihasilkan dari sel surya dapat dimanfaatkan pada malam hari, dengan cara menyimpan energi listriknya ke baterai yang dikontrol oleh regulator pada siang hari. Pemanfaatan energi listrik di atas kapal dilakukan dengan menghubungkan inverter dari arus DC ke AC pada keluaran regulator. Hasil pengujian modul surya (photovoltaic) diperoleh daya terbesar yang dihasilkan dari jam 08:00-16:00 adalah pada jam 12:00 dengan daya yang dihasilkan sampai 45,76 watt. Pengukuran tegangan dan arus setiap jam dari rentang jam 08:00 -16:00, diperoleh daya rata-ratanya sebesar 32,389 watt. Keluaran daya rata-rata selama 5 hari mencapai 32,386 watt. ABSTRACTElectricity needed for industry, office, housing or on ships fisheries is greatly increased. The increase in demand for electricity is not accompanied by the additional power supply. Solar energy is chosen as an alternative energy source to generate electricity. A solar cell directly convert solar radiation into electrical energy (photovoltaic process). Electricity generated from solar energy is stored during the day in a battery controlled by a regulator, so it can be used at night. A current inverter is connected to regulator output. The highest power obtained from the solar power module (photovoltaic) generated between 08.00 to 16.00 hours is at 12:00 with power produced up to 45.76 watt. The measurement of voltage and current from 08.00 to 16.00 hours hourly basis, the average power generated is 32.389 watt. The average power output for 5 days reached 32.386 watt.
Latar Belakang : Hiperurisemia akan memacu produksi sitokin proinflamasi TNF-±, IL-1 dan IL-6, yang akan memacu penarikan lekosit ke daerah deposit kristal monosodium urat dan melipatgandakan respon inflamasi. Daun salam (Eugenia polyantha), seledri (Apium graveolens) dan biji jinten hitam (Nigella sativa) dapat menurunkan respon inflamasi. Ketiga tanaman ini banyak di Indonesia namun sampai saat ini belum dilakukan uji klinik pada manusia. Tujuan penelitian adalah mengetahui apakah pemberian formula ekstrak herbal penurun asam urat dapat menurunkan kadar IL-6 dan TNF-± serum penderita hiperurisemia dibandingkan allopurinol. Metode: Desain penelitian adalah double blind randomised clinical trial (RCT), dilaksanakan Februari–Desember 2007. Subyek penelitian adalah penderita hiperurisemia usia ³ 18 tahun yang berobat di poliklinik/rawat inap penyakit dalam dan geriatri RSUP Dr. Kariadi Semarang. Sampel dibagi menjadi kelompok perlakuan dan kelola. Dilakukan pemeriksaan kadar IL-6 dan TNF-± serum dengan cara ELISA sebelum dan setelah 4 minggu perlakuan. Hasil: Sampel sebanyak 22 orang kelompok herbal dan 22 orang kelompok allopurinol. Rerata kadar IL-6 dan TNF-± awal kelompok herbal 214,58pg/dl dan 43,2 pg/dl sedangkan kelompok allopurinol 231,8pg/dl dan 32,6pg/dl. Rerata kadar IL-6 dan TNF-± akhir kelompok herbal 192,15 pg/dl dan 32,9pg/dl sedangkan kelompok allopurinol 203,8pg/dl dan 29,5pg/dl. Rerata delta kadar IL-6 dan TNF-α kelompok ekstrak herbal -22,43pg/dl dan -27,9pg/dl (p 0,887) sedangkan kelompok allopurinol 10,3pg/dl dan 3,10pg/dl (p 0,439). Kesimpulan: Ekstrak herbal penurun asam urat dapat menurunkan kadar IL-6 dan TNF-± serum penderita hiperurisemia, tidak berbeda bermakna dibandingkan dengan pemberian allopurinol. Kata kunci : IL-6, TNF-±, Eugenia polyantha, Apium graveolens, Nigella sativa
This study aims to analyze the effect of Current Ratio (CR), Debt to EquityRatio (DER), Return on Investment (ROI), Earning per Share (EPS) on stock prices. This study uses a sample of the main board energy sector companies listed on the Indonesia Stock Exchange (IDX) in 2016-2020 with purposive sampling technique and obtained a sample of 26 companies. The analysis technique used is multiple linear regression analysis, taking into account the classical assumption test requirements. The hypothesis testing used is a partial statistical test (t-test) and simultaneous statistical test (f-test) with the test results showing that only the Return on Investment variable (ROI), and Earning per Share (EPS) which have a significant effect with a positive direction, this indicates that the company has been able to prosper its shareholders, while the Current Ratio (CR) and Debt to Equity Ratio (DER) variables have no effect. Simultaneous test results (test) show that simultaneously Current Ratio (CR), Debt to Equity Ratio (DER), Return on Investment (ROI), Earning per Share (EPS) have a significant effect on stock price.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
customersupport@researchsolutions.com
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.