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All Journal Jurnal Kimia (Journal of Chemistry) Jurnal Ilmu Dasar Jurnal Pendidikan IPA Indonesia Jurnal Penelitian Pendidikan Matematika dan Sains Matematika dan Sains Vidya Karya E-Dimas: Jurnal Pengabdian kepada Masyarakat JC-T (Journal Cis-Trans): Jurnal Kimia dan Terapannya Resona : Jurnal Ilmiah Pengabdian Masyarakat Jurnal Penelitian Pendidikan IPA (JPPIPA) Al-Kimia PENDIPA Journal of Science Education Jurnal PTK dan Pendidikan Molekul: Jurnal Ilmiah Kimia Jurnal Pemberdayaan Masyarakat Universitas Al Azhar Indonesia JPPS (Jurnal Penelitian Pendidikan Sains) Jurnal Abdi: Media Pengabdian Kepada Masyarakat Sains dan Matematika Jurnal Penelitian Pendidikan Matematika dan Sains Studies in Philosophy of Science and Education Indonesian Journal of Chemical Science and Technology IJORER : International Journal of Recent Educational Research PROFICIO: Jurnal Pengabdian Masyarakat Jurnal Tadris IPA Indonesia Jurnal Pijar MIPA Jurnal Akademika Kimia Unesa Journal of Chemistry Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education) Jurnal Akademika Kimia KOPEMAS
I GUST MADE SANJAYA
Department Of Chemistry, Faculty Of Mathematics And Natural Sciences, Universitas Negeri Surabaya, Jawa Timur, Indonesia
Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Energy Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Journal : matematika dan sains

 1 
Pengaruh Asam Askorbat Pada Laju Korosi Baja St 37 I Gusti Made Sanjaya,
Matematika dan Sains Vol 16, No 2 (2009)
Publisher : Matematika dan Sains

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Abstract

The aim of research was to study the role of ascorbic acid as inhibitor to corrosion rate of steel of St 37, a steel with low carbon that has strong and tough properties. That organic compound was adsorb on surface and form thin layer that able to protect metal from oxidation. Inhibitor activity of ascorbic acid showed the optimum value at concentration of 60 ppm and maceration time of 10 days with the decreasing of corrosion rate of 47,58 %. Thus ascorbic acid showed the significant effect as inhibitor the corrosion rate of the St 37 steel.
UPAYA MENINGKATKAN Produktivitas Miselium Lukas S. Budipramana1, ; Gatot Suparno1, ; Isnawati1, ; Igm Sanjaya2,
Matematika dan Sains Vol 17, No 1 (2010)
Publisher : Matematika dan Sains

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Abstract

The aim of the research is to know the natural material which can we use to grow the mycelium and fruit body of tiram putih mushroom (Pleurotus ostreatus). There are three kinds of media in this research, namely the straw, the sawmill powder, and the stem of an ear of corn. The mycelium of tiram putih mushroom could grow in the three kinds of media but the growth acceleration was different. The mycelium of tiram putih mushroom had the best growth acceleration in the sawmill powder media, number two in stem of an ear of corn media and then the straw media. The fruit body production in the straw media was better than that in the sawmill powder media.
EFEK REAKSI PADA SIFAT TRANSPORT GAS RAPAT BINER I Gusti Made Sanjaya,
Matematika dan Sains Vol 18, No 1 (2011)
Publisher : Matematika dan Sains

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Effect of chemical reaction was discribed using the hard ball collision model and the present chemical reaction model on properties of the binary dense gas transport experiencing reversible reaction according to equation : A + A B + B. The reactive collision used near the final condition ofreaction, with the smallest of chemical affinity and near equilibrium. Discussion was done through framework of gas kinetic theory using base of extended of Boltzman equation. Effect of chemical reaction was found to appear in coefficient of gas transport as at bulk viscosity in form e*/kT. e*/kT.
Co-Authors Abdul Kodir Achmad Lutfi AFAF BAKTIR Agustin, Zulfani Nurdiana Ananta Adita Eka Putra Aprido Bernando Simamora Asfiyah, Sofi Nur Astutik, Julia B. Jatmiko Bagus Rahmat Basuki Beni Setiawan Bertha Yonata Budi Jatmiko Damayanti, Ni Noman Triyani Dian Novita Dina Kartika Maharani ENDANG SUSANTINI Endang Susantini Firlia Nur Fadila Firman Adji Nur Hidayat Gatot Suparno1 Hakimah, Nurul Lathifatul Hanifa Rachmah Kamila Hariyono, Eko Ika Ambarwati Indarwati, Rosi Ishma, Ervina Fadhilatul ISMONO ISMONO Isnawati1 Julian Sagus Bramasta Kardi, Soeparman Karimah, Iffah Koestiari, Toeti Koestiari Kurdaningsih, Kurdaningsih Kurniasari, Indah Kurniawati, Laili Kusumawati Dwiningsih L. R. Jannah Lukas S. Budipramana1 Madlazim Madlazim Madlazim Madlazim Mardiyanti, Nur Eka Agusti Maria Monica Sianita Monica, Maria Muchlis Muchlis Mufid, Mohammad Fakhrul Muhammad Nasir Murniati, Diani Rachmanita Nafisa Cahyani Ngandoh, Satwika Trianti Nita Kusumawati Nita Kusumawati Nita Kusumawati Nur Hayati Nur Hayati Pirim Setiarso Rosyidah*, Kholifatur Rosyiidah, Nur Anisa S. Oktaviyanti S. R. Yunus Samik Samik Samik Samik Samik Samik Sari Edi Cahyaningrum Satwika Trianti Ngandoh Selvi Marcellia Soeparman Kardi Solly Aryza Sophia Allamin Sri Poedjiastoeti Sri Poedjiastoeti Sutrisno Sutrisno Sutrisno, Sutrisno Suyatno Sutoyo SUYONO Syahdiani Syahdiani Syahdiani, Syahdiani Syahrani, Achmad Titik Taufikurohmah Toeti Koestiari Koestiari Trisanti, Diah Candra Tukiran Tukiran Tukiran Tukiran Tukiran Tukiran Viyana Choyrunisa , Ratrie Viyana Choyrunisa, Ratrie Wahono Widodo Wanita, Defitiana WIELIYANI, ARI YUNI SRI RAHAYU ZAINUL ARIFIN IMAM SUPARDI Zeinur Rochma Fandis Romadhon