Results 51 to 60 of about 16,290 (218)

Investigation of Mechanical and Impact Properties of Hemp Fiber Reinforced Epoxy‐Based Nanocomposites

open access: yesPolymer Composites, Volume 46, Issue 16, Page 15369-15380, 10 November 2025.
Schematic diagram for the preparation of hemp fiber‐reinforced epoxy‐based nanocomposites. ABSTRACT In this study, the effect of graphene nanoparticles (GnPs) on the mechanical properties of hemp fiber reinforced epoxy composites was investigated. The composites were prepared using the vacuum assisted resin transfer molding (VARTM) method and prepared ...
Ahmet Erkliğ   +3 more
wiley   +1 more source

Kimya tarihi konusundaki bir kitap uzerine aykiri dusunceler

open access: yesOsmanli Bilimi Arastirmalari, 2019
Kimya tarihi konusundaki Onsekizinci yuzyil Osmanlida Kimya adli kitabin tanitim ve elestirisi yapilmistgir.
Emre Dolen
doaj  

Turkish transparency and disclosure survey 2007: pace of improvement has slowed [PDF]

open access: yes, 2007
The report summarizes the results of the third phase of public disclosure survey of Turkish companies. The study looks at the disclosure practices of 52 companies which are constituencies of S&P/IFC Global-Turkey and ISE-60, compares it with the ...
Ararat, Melsa, Balic, Amra
core  

Epoxidized soybean oil: A sustainable solution to polyvinyl chloride recycling challenges

open access: yesJournal of Vinyl and Additive Technology, Volume 31, Issue 6, Page 1328-1342, November 2025.
Recycling process and characterization of polyvinyl chloride. Abstract Recycling process of polyvinyl chloride (PVC), a widely used plastic, is important in order to reduce its harmful environmental impacts and contribute to the circular economy. Thermal degradation of PVC during mechanical recycling significantly reduces its final properties and ...
Gülşah Demir, Bedriye Ucpinar
wiley   +1 more source

Piridinyum azotuna bağlı farklı fonksiyonel grup içeren iki adet katyonik yüzey aktif maddenin sentezi ve 1.0 M HCl ortamındaki korozyon inhibisyon özellikleri

open access: yesJournal of Ata-Chem, 2023
Bu çalışmada, piridinyum azotuna bağlı farklı fonksiyonel gruplara (biri amid diğeri ester grubu) sahip iki katyonik yüzey aktif madde sentezlenmiş ve yapıları spektroskopik yöntemle (FT-IR) doğrulanmıştır.
Gülşen Akgül, Serkan Öztürk
doaj  

God and World in the Ontology of al-Ghazali [PDF]

open access: yes, 2018
The purpose of this article is to reveal al-Ghazali's understanding of God and world on the ontological basis. He bases the purpose of existence of the world with to know God. In such a study, it is difficult to distinguish ontology from epistemology. Al-
Akgul, Abdullah
core  

Comparative Structural Analysis of Escherichia Coli Cyay at Room and Cryogenic Temperatures Using Macromolecular and Serial Crystallography

open access: yesChemBioChem, Volume 26, Issue 20, October 31, 2025.
Room‐temperature (RT) crystallography of E. coli CyaY, the bacterial frataxin homolog, reveals subtle but functionally relevant differences from cryogenic structures. The conserved fold shows distinct side‐chain conformations and water networks, highlighting dynamics often hidden at low temperatures.
Alaleh Shafiei   +4 more
wiley   +1 more source

SYNTHESIS, CHARACTERIZATION AND BIOLOGICAL ACTIVITIES OF 3-(2-HYDROXYETHYL)-1-(3-AMINOPROPYL)-1H-IMIDAZOLE-3-IUM BROMIDE

open access: yesTrakya University Journal of Natural Sciences, 2017
3-(2-hydroxyethyl)-1-(3-aminopropyl)-1H-imidazole-3-ium bromide as an N-heterocyclic carbene salt was synthesized by the reaction of 3-(1H-imidazole-1-yl )propane -1-amine with 2-bromoethanol.
Gühergül Uluçam
doaj   +1 more source

Semra Özal delege avında [PDF]

open access: yes, 1991
Taha Toros Arşivi, Dosya No: 47-Turgut Özal. Not: Kayıttaki bazı bilgiler Cumhuriyet Gazetesi Arşivi'nden yararlanılarak yazılmıştır.Unutma İstanbul projesi İstanbul Kalkınma Ajansı'nın 2016 yılı "Yenilikçi ve Yaratıcı İstanbul Mali Destek Programı ...
[Akyüz], [İdris]
core  

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