The hydrogeological functioning of the karstic aquifer in Sidi Kada Mountains (North-Western Algeria) from hydrochemical records

JOURNAL ARTICLE published 2022 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Abderrahmane HAMIMED

A sine-cosine wavelet method for the approximation solutions of the fractional bagley-torvik equation

JOURNAL ARTICLE published 2021 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Arzu TURAN DİNCEL

On a non-riemannian quantity of (α,β)-metrics

JOURNAL ARTICLE published 2024 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Semail ÜLGEN

Influence of burnishing process on surface integrity of inconel 718 fabricated by laser powder bed fusion additive manufacturing

JOURNAL ARTICLE published 2024 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Mert KAYA

Anthocyanin and bioactivity properties of berberis crategina DC. In buffer system and apple juice: impact of temperature, time, and pH; Prediction using artificial neural network

JOURNAL ARTICLE published 2024 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Havva POLAT KAYA

Experimental analysis of a shake table test of strip footing on two layered reinforced soil

JOURNAL ARTICLE published 2024 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Litan DEBNATH

Lyapunov-type inequality for an anti-periodic fractional boundary value problem of the riesz-caputo derivative

JOURNAL ARTICLE published 2023 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Suayip TOPRAKSEVEN

A 2-stage fuzzy ANP approach for selection procedure of the optimum variant of office plan

JOURNAL ARTICLE published 2023 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Şahika ÖZDEMİR

Determination of stress magnification factor in welded joint by experimental and numerical analysis using ultra-high-strength steel

JOURNAL ARTICLE published 2023 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Osman Bahadır ÖZDEN

JOURNAL ISSUE published 2022 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Machine learning classification models for the patients who have heart failure

JOURNAL ARTICLE published 2024 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Şevval Tuğçe BADİK

JOURNAL ISSUE published 2023 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Comparison of several anthropometric measurements and blood lipid‑related indexes in metabolic-dysfunction associated fatty liver disease in adults: A cross-sectional study

JOURNAL ARTICLE published 2024 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Hatice Merve BAYRAM

Evaluating the campus climate factors using an interval type-2 fuzzy ANP

JOURNAL ARTICLE published 2024 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Kemal Gökhan NALBANT

Controlling of NaBH4 hydrolysis by synthetic Ni-Co cited and MOFs supported novel catalyst and determination of kinetic parameters

JOURNAL ARTICLE published 2024 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Aybüke Ayşe ERTÜRK

Effect of graphene on the creep and stress relaxation behaviors of epoxy-nanocomposite in viscoplastic deformation regime

JOURNAL ARTICLE published 2024 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Okan BAKBAK

Solutions of multiplicative linear differential equations via the multiplicative power series method

JOURNAL ARTICLE published 2023 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Numan YALCIN

A metaheuristic solution approach with two construction heuristics for vehicle routing problem with simultaneous Linehauls and Backhauls

JOURNAL ARTICLE published 2021 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Mustafa DEMİRBİLEK

A weather-based forecasting system for the solar power plants in the Konya region

JOURNAL ARTICLE published 2022 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Ahmet Reha BOTSALI

Growth of solutions for fourth order viscoelastic system

JOURNAL ARTICLE published 2021 in Sigma Journal of Engineering and Natural Sciences – Sigma Mühendislik ve Fen Bilimleri Dergisi

Authors: Fatma EKİNCİ