Volume: 41, Issue: 1 (20 Articles)
Research Article
Title: SUPPLIER SELECTION IN SUPPLY CHAIN NETWORK USING MCDM METHODS
Authors: Hamdi Efe EVCİOĞLU, Mehmet KABAK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:1-16
DOI: 10.14744/sigma.2023.00001
Viewed: (553) times
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Research Article
Title: EFFECTS OF REACTIVE MgO AND METAKAOLIN ON COMPRESSIVE STRENGTH AND CHLORIDE MIGRATION COEFFICIENT OF SODIUM CARBONATE ACTIVATED SLAG MORTARS
Authors: Mehrnosh ABOLFATHI, Serhan ULUKAYA, Büşra AKTÜRK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:17-25
DOI: 10.14744/sigma.2023.00002
Viewed: (225) times
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Research Article
Title: INVESTIGATION OF THE RHEOLOGICAL PROPERTIES OF LOW-DENSITY POLYETHYLENE (LDPE) MODIFIED BITUMENS USING TWO PLASTIC WASTES
Authors: İremgül BEKTAŞ ATICI, Erkut YALÇIN, Mehmet YILMAZ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:26-34
DOI: 10.14744/sigma.2023.00003
Viewed: (231) times
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Research Article
Title: INVESTIGATION OF AEROSOL DIRECT RADIATIVE FORCING DURING A DUST STORM USING A REGIONAL CLIMATE MODEL OVER TURKEY
Authors: Elif YAVUZ, Levent KUZU, Serdar UĞURDOĞAN, Arslan SARAL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:35-41
DOI: 10.14744/sigma.2023.00004
Viewed: (229) times
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Research Article
Title: USING OF THERMAL POWER PLANT FLY ASH TO PRODUCE SEMI-LIGHTWEIGHT AGGREGATE AND CONCRETE
Authors: Oday Ali AZEZ ALTAYAWI, Hatice Öznur ÖZ, Kasım MERMERDAŞ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:42-48
DOI: 10.14744/sigma.2023.00005
Viewed: (232) times
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Research Article
Title: EVALUATION OF THE LATERAL ACCELERATION ON HIGHWAY COMFORT: A CASE STUDY WITH UNIVERSITY STUDENTS
Authors: Abdullah Erdem BOZTAŞ, Halit ÖZEN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:49-56
DOI: 10.14744/sigma.2023.00006
Viewed: (404) times
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Research Article
Title: BIODIESEL PRODUCTION FROM BIOMASS BY TREATING TEXTILE INDUSTRY WASTEWATER
Authors: Ayşe Elif ATEŞ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:57-63
DOI: 10.14744/sigma.2023.00007
Viewed: (406) times
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Research Article
Title: ARTIFICIAL NEURAL NETWORK APPROACH FOR LEAD REMOVAL FROM AQUEOUS SOLUTION BY AGRICULTURAL WASTE DERIVED BIOCHARS
Authors: Nihan KAYA, Fatma ERDEM
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:64-73
DOI: 10.14744/sigma.2023.00008
Viewed: (386) times
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Research Article
Title: KINETICS OF THERMAL DECOMPOSITION OF HOWLITE MINERAL AT DIFFERENT HEATING RATES
Authors: Gamze ARSLAN ŞEN, Müge SARI YILMAZ,Emek MOROYDOR DERUN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:74-83
DOI: 10.14744/sigma.2022.00020
Viewed: (309) times
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Research Article
Title: DIELECTRICAL PARAMETERS AND RELAXATION OF AL/NFT/p-Si SCHOTTKY DIODE WITH FREQUENCY DEPENDENCE
Authors: Emine KARAGÖZ, Songül FİAT VAROL, Serkan Sayın, Ziya MERDAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:84-92
DOI: 10.14744/sigma.2023.00009
Viewed: (294) times
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Research Article
Title: EVALUATION OF THE TECHNICAL FEASIBILITY ASPECTS OF THE FISHING STRUCTURES: A CASE STUDY OF IZMIR COAST
Authors: Begüm Yurdanur DAĞLI, Dilay YILDIRIM UNCU, Ümit GÖKKUŞ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:93-105
DOI: 10.14744/sigma.2023.00010
Viewed: (296) times
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Research Article
Title: INTUITIONISTIC FUZZY HYPERSOFT TOPOLOGY AND ITS APPLICATIONS TO MULTI-CRITERIA DECISION-MAKING
Authors: Adem YOLCU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:106-118
DOI: 10.14744/sigma.2023.00011
Viewed: (382) times
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Research Article
Title: FUSION AND CNN BASED CLASSIFICATION OF LIVER FOCAL LESIONS USING MAGNETIC RESONANCE IMAGING PHASES
Authors: Mücahit CİHAN, Betül UZBAŞ, Murat CEYLAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:119-129
DOI: 10.14744/sigma.2023.00012
Viewed: (281) times
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Research Article
Title: EVALUATION OF SEVERAL GEOID MODELS FOR GNSS HEIGHT TRANSFORMATION IN TURKIYE
Authors: Arzu SOYCAN, Yalçın YILMAZ, Metin SOYCAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:130-144
DOI: 10.14744/sigma.2023.00013
Viewed: (361) times
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Research Article
Title: ON CODES OVER PRODUCT OF FINITE CHAIN RINGS
Authors: Maryam BAJALAN, Rashid REZAEI, Karim SAMEI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:145-155
DOI: 10.14744/sigma.2023.00014
Viewed: (414) times
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Research Article
Title: MODELING OF A BRUSHLESS DC MOTOR DRIVEN ELECTRIC VEHICLE AND ITS PID-FUZZY CONTROL WITH dSPACE
Authors: Ali BAHADIR, Ömer AYDOĞDU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:156-177
DOI: 10.14744/sigma.2023.00015
Viewed: (761) times
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Research Article
Title: DECISION MAKING IN THE MANUFACTURING ENVIRONMENT USING THE TECHNIQUE OF PRECISE ORDER PREFERENCE
Authors: Serkan ALTUNTAŞ, Türkay DERELİ, Zülfiye ERDOĞAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:178-193
DOI: 10.14744/sigma.2023.00016
Viewed: (380) times
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Technical Note
Title: WIRELESS TRANSMISSION OF SOLAR PANEL ENERGY WITH THE HELP OF MUTUAL INDUCTION
Authors: Usama Ayub YOUSUFZAI, Aqeel Ahmed KHAN, Syeda DANIA, Aiman SIRAJ, Mariam DILDAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:194-201
DOI: 10.14744/sigma.2023.00017
Viewed: (452) times
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Technical Note
Title: ANTIPROLIFERATIVE ACTIVITY AND CYTOTOXIC EFFECT OF ESSENTIAL OIL AND WATER EXTRACT FROM ORIGANUM VULGARE L.
Authors: Ramazan ERENLER, Ümran Ece ÇARLIK, Ali AYDIN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:202-208
DOI: 10.14744/sigma.2023.00018
Viewed: (383) times
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Technical Note
Title: SIMULTANEOUS REDUCTION OF NITRATE AND PERCHLORATE BY SULFIDE-BASED DENITRIFICATION PROCESS
Authors: Bedia ÇALIŞ, Deniz UÇAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2023, Volume: 41, Issue: 1, (FEB 2023), pp:209-215
DOI: 10.14744/sigma.2023.00019
Viewed: (396) times
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