Vol. 4 No. 2 (2015): October 2015

Articles

• SYNTHESIS OF AMYL VANILLIL ETHER AS WARMING AGENT FROM VANILLIN

  C. Budimarwanti ()
  Karim Theresih ()

  100 - 108

  Abstract View : 555

  PDF downloads: 2420

  DOI : 10.21831/jsd.v4i2.9084

  • PDF

• MATHEMATIC MODEL FOR SITY BUS SCHEDULING IN YOGYAKARTA

  Sahid Sahid ()
  Fitriana Yuli S ()
  Dwi Lestari ()

  109 - 113

  Abstract View : 254

  PDF downloads: 611

  DOI : 10.21831/jsd.v4i2.9085

  • PDF

• FACTORS INFLUENCING JOB FATIGUE AND STRESS AMONG EMPLOYEES OF YOGYAKARTA STATE UNIVERSITY ION COLUMN TECHNIC WITH LOCAL ZEOLITE AND ACTIVE CARBON

  Siti Mariyam ()
  Kartika Ratna Pertiwi ()

  114 - 121

  Abstract View : 413

  PDF downloads: 789

  DOI : 10.21831/jsd.v4i2.9086

  • PDF

• SILICA PURIFICATION FORM MERAPI VOLCANO SAND AS PHOTOVOLTAIC RAW MATERIALS

  Sulistiyani Sulistiyani ()
  Erfan Priyambodo ()
  Larasti Yogantari ()

  122 - 127

  Abstract View : 325

  PDF downloads: 331

  DOI : 10.21831/jsd.v4i2.9087

  • PDF

• APLIKASI KOORDINAT PARALEL DI DALAM RUANG DIMENSI 4 PADA DISPLAY LALU-LINTAS PESAWAT

  Hartono Hartono ()
  Kus Prihantoso Krisnawan ()
  Husna Arifah ()

  128 - 139

  Abstract View : 341

  DOI : 10.21831/jsd.v4i2.9814

• OPTIMATION OF ANTIMICROBIAL SUBSTANCE PRODUCTION IN CELL FREE EXTRACT FROM THERMOPHYLIC BACTERIA FERMENTATION AFTER MERAPI ERRUPTION

  Evy Yulianti ()
  Anna Rakhmawati ()
  Kartika Ratna Pertiwi ()

  140 - 144

  Abstract View : 302

  PDF downloads: 708

  DOI : 10.21831/jsd.v4i2.9089

  • PDF

• SYNTHESIS AND CHARACTERIZATION OF BIODEGRDABLE PLASTIC FROM CASAVA STARCH AND ALOE VERA EXTRACT WITH GLYCEROL PLASTICIZER

  Mery Apriyani (Program Studi Kimia, Fakultas Sains dan Teknologi, UIN Sunan Kalijaga Yogyakarta Jl Marsda Adisucipto No 1, Yogyakarta, 55281, Indonesia)
  Endaruji Sedyadi (Program Studi Kimia, Fakultas Sains dan Teknologi, UIN Sunan Kalijaga Yogyakarta Jl Marsda Adisucipto No 1, Yogyakarta, 55281, Indonesia)

  145 - 153

  Abstract View : 734

  PDF downloads: 858

  DOI : 10.21831/jsd.v4i2.9090

  • PDF

• ANALYSIS OF RELATION TERM BETWEEN CUMMULATIVE PERFORMANCE INDEX AND SNMPTN DATA BASE USING APPRIORITY ALGORITHM

  Kuswari Hernawati ()
  Nur Insani ()
  Bambang Sumarno ()
  Nurhadi Waryanto ()

  152 - 163

  Abstract View : 267

  PDF downloads: 192

  DOI : 10.21831/jsd.v4i2.9092

  • PDF

• SPECIES INVENTORY OF AMPHIBIOUS FISH IN INTERTIDAL ZONE OF NGRENEHAN, NGOBARAN AND NGUYAHAN COASTELS, GUNUNG KIDUL, YOGYAKARTA

  Sukiya Sukiya ()
  Rizka Apriyani Putri ()

  164 - 172

  Abstract View : 231

  PDF downloads: 626

  DOI : 10.21831/jsd.v4i2.12122

  • PDF

• PEMECAHAN MOLEKUL AIR DENGAN MENGGUNAKAN MEDIA TEPUNG UMBI DAHLIA (DAHLIA PINNATA)

  Isana SYL ()
  Dewi Yuanita ()
  Heru Pratomo ()

  173 - 178

  Abstract View : 633

  PDF downloads: 416

  DOI : 10.21831/jsd.v4i2.12121

  • PDF

• DISTRIBUTION OF PARASTATISTICS FUNCTIONS: AN OVERVIEW OF THERMODYNAMICS PROPERTIES

  R. Yosi Aprian Sari ()
  W. S. B. Dwandaru ()

  179 - 185

  Abstract View : 316

  PDF downloads: 301

  DOI : 10.21831/jsd.v4i2.9096

  • PDF

• SYNTHESIS OF BIODIESEL FROM KAPUK SEED OIL (Ceiba Pentandra L) AT VARIATION STIRRING DURATION IN TRANSESTERIFICATION PROCESS

  Endang Dwi Siswani ()
  Susila Kristianingrum ()
  Tohari Tohari ()

  186 - 189

  Abstract View : 349

  PDF downloads: 300

  DOI : 10.21831/jsd.v4i2.9097

  • PDF

• RECOVERY OF GOLD (Au) AND SILVER (Ag) METALS IN THE ELECTRONIC WASTE THROUGH MULTILEVEL PRECIPITATION PROCESS

  Siti Marwati ()
  Regina Tutik Padmaningrum ()
  Sunarto Sunarto ()

  190 - 197

  Abstract View : 452

  PDF downloads: 562

  DOI : 10.21831/jsd.v4i2.9099

  • PDF

• THE STRUCTURE AND CHEMICAL COMPOSITION OF SEMICONDUCTOR MATERIAL Sn(Se0,2S0.8) THIN FILM PREPARED USING EVAPORATION METHOD FOR SOLAR CELL APPLICATION

  Joko Utomo Utomo ()
  Ariswan Ariswan ()

  198 - 203

  Abstract View : 294

  PDF downloads: 175

  DOI : 10.21831/jsd.v4i2.9102

  • PDF