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All Journal Interaksi Online Jurnal Keteknikan Pertanian Tropis dan Biosistem
Saiful Imron
Departemen Ilmu Komunikasi FISIP UNDIP
Agriculture, Biological Sciences & Forestry Control & Systems Engineering Electrical & Electronics Engineering Energy Library & Information Science Mechanical Engineering Social Sciences

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Efektivitas Penundaan Proses Fermentasi Pada Nira Siwalan (Borassus flabellifer L.) dengan Metode Penyinaran Ultraviolet Imron, Saiful; Nugroho, Wahyunanto Agung; Hendrawan, Yusuf
Jurnal Keteknikan Pertanian Tropis dan Biosistem Vol 3, No 3 (2015)
Publisher : Universitas Brawijaya

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Abstract

Nira siwalan mengalami fermentasi dengan adanya mikroorganisme yang merubah sukrosa menjadi alkohol dan berlanjut menjadi asam. Maka dari itu agar tidak mudah terkontaminasi dan menghambat terjadinya fermentasi salah satunya adalah dengan pengawetan menggunakan penyinaran ultraviolet (UV). Tujuan dari penelitian ini adalah mengetahui efektivitas penundaan fermentasi pada nira siwalan segar menggunakan sinar ultraviolet (UV) serta mengetahui pengaruh penggunaan sinar ultraviolet (UV) pada nira siwalan segar terhadap penurunan total mikroba, penurunan pH  dan peningkatan kadar alkohol. Metode yang digunakan dalam penelitian ini yaitu Rancangan Acak Lengkap (RAL) dengan variasi diameter selang (0.5 cm dan 1 cm) dan debit aliran (0.5 cm3dt-1, 1 cm3dt-1 dan 1.5 cm3dt-1). Data yang diperoleh dianalisa menggunakan Analysis of Varian (ANOVA). Apabila hasil uji menunjukkan beda nyata maka dilakukan uji lanjut dengan BNT (Beda Nyata Terkecil). Hasil penelitian menunjukan diameter selang dan debit aliran yang digunakan pada penyinaran berpengaruh terhadap mikroba (terendah = 1.96 log CFU/ml), penurunan nilai pH (rata-rata terkecil =0.37) dan peningkatan kadar etanol (peningkatan terkecil = 0.47%). Setelah dilakukan analisa dengan metode “multiple attribute” didapat variasi debit aliran dan diameter selang terbaik adalah berada pada perlakuan B2Q1 yaitu dengan selang diameter 1 cm dan debit aliran 0.5 cm3 dt-1.   Kata kunci: Nira Siwalan, Ultraviolet C, Etanol, Total Mikroba
PDAM TIRTA MOEDAL’S MEDIA RELATIONS ACTIVITIES Imron, Saiful; Naryoso, S.Sos, M.Si, Agus
Interaksi Online Vol 4, No 4: Oktober 2016
Publisher : Jurusan Ilmu Komunikasi, FISIP, Universitas Diponegoro

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Abstract

Background of this research are focuses on media relations activities of PDAM Tirta Moedal thatt only aimed for the journalists that are work together with PDAM Tirta Moedal, also there are possibilities of difference in point of view from public relations officer towards some good development attempts of media relations to the mass media. This research’s aims is to get knowing the activities of PDAM Tirta Moedal Public Relation’s media relations. This research uses qualitative descriptive method. Researchers collected data by conducting interviews with the PDAM Tirta Moedal’s Head of Sub Division Public Relations which can be used as a key informant because it has a close relationship with the object of research, as well as an interview with a journalist who have experience covering news in PDAM Tirta Moedal. Based on the research results, it can be conclude that to conduct media relations activities, Public Relations of PDAM Tirta Moedal is using the principle of understanding and serving the media, as well as building a reputation as a party that is open to the media. Media relations activities conducted by PDAM Tirta Moedal like media gatherings, press conferences, press releases, and press interviews. The existence of the harmonious relationship between PDAM Tirta Moedal’s Public Relations with the media will create a situation of mutual respect for one another.
Co-Authors Agus Naryoso S.Sos, M.Si, Agus Naryoso Wahyunanto Agung Nugroho Yusuf Hendrawan