Vol 3, No 1 (2014)

April 2014

Table of Contents

Articles

Identifikasi bifurkasi kodimensi-2 pada sistem flutter dengan menggunakan kriteria Routh
Hartono Hartono, Kus Prihantoso Krisnawan
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Isolasi dan uji aktivitas enzim lipase termostabil dari bakteri termofilik pasca erupsi Merapi
Drajat Pramiadi, Evy Yulianti, Anna Rakhmawati
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The password agreement method based on matrix operation over Min-Plus algebra for safety of secret information sending
Musthofa Musthofa, Dwi Lestari
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The effect of foliar fertilizer dosage variations to the growth and productivity of some fruit vegetables exposed to manipulated grasshopper sound
Ratnawati Ratnawati, Agus Purwanto, Budiwati Budiwati, Suratsih Suratsih, Rahma Ayu Maharani, Decy Lukitasari
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Application of matrix diagonalization on Markov chain
Bidayatul hidayah, Rahayu Budhiyati, Putriaji Hendikawati
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Optimization of condensation reaction time between vanillin and p-nitroacetophenone in acid catalysts
Indyah Sulistyo Arty Sulistyo Arty, Dini Rohmawati
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Singing bio acoustic profile of Cicadidae around the enviroment of Mathematics and Natural Sciences Faculty Yogyakarta state University
Sukarni Hidayati, Agung W. Subiantoro
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Condition optimization of sea pandan leaves biosorben synthesis and adsorptivity test on chromium and lead metal ions in different kinds of waste
Susila Kristianingrum, Endang Dwi Siswani, Annisa Fillaeli
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Callus induction of binahong leaves (Anredera cordifolia L.) for the development of traditional medicinal plant
Lili Sugiyarto, Paramita Cahyaningrum Kuswandi
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A Study of Partial Least Squares (Case Study: Cox-PLS Regression)
Retno Subekti, Rosita Kusumawati
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The diversity of saprophytic fungi on agricultural land in Wukirsari, Cangkringan, Sleman, Yogyakarta
Siti Umniyatie, Victoria Henuhili
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The enhancement effort of chili’s resistance to water stress & disease by application of priming technique
Ekosari Roektiningroem, Djukri Djukri
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Microtremor characteristics and analysis of seismicity on Opak fault lines, Bantul district, Yogyakarta
Merizka Marsyelina, Nugroho Budi Wibowo, Denny Darmawan
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