Results 61 to 70 of about 1,162 (209)

Underexplored food safety hazards of beekeeping products: Key knowledge gaps and suggestions for future research

open access: yesComprehensive Reviews in Food Science and Food Safety, Volume 23, Issue 5, September 2024.
Abstract These days, a growing consumer demand and scientific interest can be observed for nutraceuticals of natural origin, including apiculture products. Due to the growing emphasis on environmental protection, extensive research has been conducted on the pesticide and heavy metal contamination of bee products; however, less attention is devoted on ...
Rita Végh   +3 more
wiley   +1 more source

Stabilize Yakıt Kullanımının Direkt Enjeksiyonlu Bir Dizel Motorunun NO Emisyon Oluşumuna Etkilerinin İncelenmesi

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2019
Dizel motorlarının çalışma prensibi gereği sıkıştırma oranları ve hava fazlalık katsayıları yüksektir. Bu sayede termik verimleri ve özgül yakıt tüketimleri düşüktür.
Vezir Ayhan, İdris Cesur
doaj   +1 more source

Thermal and morphological properties of PVA/4-vinylbenzene boronic acid hybrid nanofibrous

open access: yes, 2012
The aim of this study was to investigate the preparation and characterization of PVA and PVA/4-VBBA (4-Vinylbenzene boronic acid) hybrid electrospun nanofiber mat.
KAHRAMAN, MEMET VEZİR
core   +1 more source

Dual microcapsules based epoxy/polyethyleneimine autonomous self-healing system for photo-curable coating

open access: yes, 2021
Self-healing coatings were fabricated by adding two different epoxy and polyethyleneimine microcapsules to epoxy-polyester acrylate resin. The first capsule contained polyethyleneimine and the second capsule contained a commercial epoxy resin ...
KAHRAMAN, MEMET VEZİR
core   +1 more source

Thiol‐Ene Photo Crosslinked PUA‐PUMA‐Based Flexible Gel Polymer Electrolyte for Lithium‐Ion Batteries

open access: yesMacromolecular Materials and Engineering, Volume 309, Issue 7, July 2024.
Compared to previous designs, these films have higher strength, stability, and conductivity since they are developed with unique compositions. This paves the way for a new generation of batteries with better performance and safety thanks to the films' capability to efficiently retain liquid electrolytes and prevent leakage.
Fatmanur Uyumaz   +3 more
wiley   +1 more source

Effect of surface modification on nano-diamond particles for surface and thermal property of UV-curable hybrid coating

open access: yes, 2016
Surface modification is a common and efficient way to improve the compatibility of nano-diamond particles (NDs) with various matrixes. In this study we report the modification of NDs with functional groups which are UV reactive.
KAHRAMAN, MEMET VEZİR
core   +1 more source

Encapsulation of trichloroacetic acid and trifluoroacetic acid for autonomous self healing coatings

open access: yes, 2020
Microcapsules with TFA or TCA healing agents with an outer poly(melamine-urea-formaldehyde) (PMUF) were successfully synthesized for the first time, according to a review of published literature.
KAHRAMAN, MEMET VEZİR
core   +1 more source

Dietil Eter-Dizel Karışımlarının Direkt Enjeksiyonlu Bir Dizel Motorunun Performans ve Emisyonlarına Etkisi

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2018
Dietil eter (DEE) dizel motorlarındakullanılabilecek yenilenebilir, yüksek setan sayılı, makul seviyede enerjiyoğunluğu, yüksek oksijen içeriği, düşük ateşleme sıcaklığı ve yüksek uçuculuğasahip alternatif yakıtlardan biridir. Bu çalışmada tek silindirli,
Serdar Tunca, Vezir Ayhan
doaj   +1 more source

Improved Thermal Stability and Wettability Behavior of Thermoplastic Polyurethane / Barium Metaborate Composites [PDF]

open access: yesMaterials Research, 2016
In this paper, it was targeted to the enhance thermal stability and wettability behavior of thermoplastic polyurethane (TPU) by adding barium metaborate. TPU-Barium metaborate composites were prepared by adding various proportions of barium metaborate to
Emre Baştürk   +2 more
doaj   +1 more source

Enhanced thermal and hydrophobic surface properties of shape-stabilized nanodiamond/fatty alcohol grafted poly(ethylene-alt-maleic anhydride) composite phase change materials

open access: yes, 2018
Fatty alcohol grafted poly(ethylene-alt-maleic anhydride) (PEMA-g-FA) are synthesized from esterification of poly (ethylene-alt-maleic anhydride) (PEMA) with tetradecanol and octadecanol.
KAHRAMAN, MEMET VEZİR
core   +1 more source

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