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Volume: 39, Issue Number: 1

Volume: 39, Issue: 1 (10 Articles)

Technical Note
Title: pH EFFECTS ON REACTIVE ORANGE 16 ADSORPTION OF M-POLY(DIVINYL BENZENE–N-VINYL IMIDAZOL) MICROBEADS
Authors: Büşra Elif KAPLAN, Ali KARA, Hüseyin AKSEL EREN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: March, Year: 2021, Volume: 39, Issue: 1, (MAR 2021), pp:1-12
DOI: x
Viewed: (368) times
Abstract | Full Text| PDF

Research Article
Title: DISSEMINATION OF HEAVY METAL CONTAMINATION IN SURFACE SEDIMENTS OF BATLAMA STREAM, GIRESUN, TURKEY
Authors: Fikret USTAOĞLU, Banu KUTLU, Yalçın TEPE, Handan AYDIN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: March, Year: 2021, Volume: 39, Issue: 1, (MAR 2021), pp:13-23
DOI: x
Viewed: (326) times
Abstract | Full Text| PDF

Technical Note
Title: SOME BIOLOGICAL ACTIVITIES AND ELEMENT CONTENTS OF ETHANOL EXTRACT OF WILD EDIBLE MUSHROOM MORCHELLA ESCULENTA
Authors: Emre Cem ERASLAN, Deniz ALTUNTAS, Hayri BABA, Celal BAL, Hasan AKGÜL, Ilgaz AKATA, Mustafa SEVINDIK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: March, Year: 2021, Volume: 39, Issue: 1, (MAR 2021), pp:24-28
DOI: x
Viewed: (418) times
Abstract | Full Text| PDF

Technical Note
Title: DECOUPLING ANALYSIS OF ENVIRONMENTAL PRESSURES FROM ECONOMIC GROWTH IN THE EU-27 AND TURKEY
Authors: Seher BODUR, Mihraç KÜPELİ, İhsan ALP
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: March, Year: 2021, Volume: 39, Issue: 1, (MAR 2021), pp:29-38
DOI: x
Viewed: (278) times
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Technical Note
Title: CUTTING AND THRUST FORCES IN FACE TURNING OF TI6AL4V UNDER VARIOUS CUTTING ENVIRONMENTS
Authors: Alper UYSAL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: March, Year: 2021, Volume: 39, Issue: 1, (MAR 2021), pp:39-44
DOI: x
Viewed: (308) times
Abstract | Full Text| PDF

Review Article
Title: DUST ACCUMULATION ON PHOTOVOLTAIC MODULES: A REVIEW ON THE EFFECTIVE PARAMETERS
Authors: Aslan GHOLAMI, Mohammad AMERI, Majid ZANDI, Roghayeh GAVAGSAZ GHOACHANI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: March, Year: 2021, Volume: 39, Issue: 1, (MAR 2021), pp:45-57
DOI: x
Viewed: (753) times
Abstract | Full Text| PDF

Research Article
Title: IMPROVEMENT OF MECHANICAL BEHAVIOUR OF WIND TURBINE BLADE USING NANOFLUID-GRAPHENE AND/OR GLASS FIBER IN EPOXY RESIN
Authors: Ayşe ERGÜNER, Ramazan ÖZKAN, Kemal KOCA, Mustafa Serdar GENÇ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: March, Year: 2021, Volume: 39, Issue: 1, (MAR 2021), pp:58-69
DOI: x
Viewed: (643) times
Abstract | Full Text| PDF

Technical Note
Title: ELECTRICITY PRODUCTION FROM PIEZOELECTRIC PATCHES MOUNTED OVER FLEXIBLE MEMBRANE WING AT LOW REYNOLDS NUMBERS
Authors: Nihal BAYRAMOĞLU, Mustafa Serdar GENÇ, Kemal KOCA, Ahmet ALTUNAL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: March, Year: 2021, Volume: 39, Issue: 1, (MAR 2021), pp:70-79
DOI: x
Viewed: (691) times
Abstract | Full Text| PDF

Research Article
Title: INVESTIGATION ON EFFECT OF TIG WELDING PARAMETERS ON DISSIMILAR WELD JOINTS OF AISI 304 AND AISI 310 STEELS USING RESPONSE SURFACE METHOD
Authors: Rami Reddy PADALA V., Kesava RAO V. V. S.
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: March, Year: 2021, Volume: 39, Issue: 1, (MAR 2021), pp:80-96
DOI: x
Viewed: (783) times
Abstract | Full Text| PDF

Research Article
Title: DESIGN AND DEVELOPMENT OF AN UPPER EXTREMITY PERFORMANCE ANALYSIS SYSTEM FOR COMBAT SPORTS
Authors: Uğur FIDAN, Mehmet YILDIZ, İsmail ÇALIKUŞU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: March, Year: 2021, Volume: 39, Issue: 1, (MAR 2021), pp:97-109
DOI: x
Viewed: (1093) times
Abstract | Full Text| PDF

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