Results 41 to 50 of about 15,366 (202)
Bu çalışma, bilimsel süreç becerilerinin, 10. ve 11. sınıf kimya ders kitaplarında ve kimyamüfredatında ne kadar yer aldığını tespit etmek amacıyla yapılmıştır. Araştırmada; 10. ve11.
Habibe Bahadır +2 more
doaj
Effect of resin on friction performance and particle emissions in vehicle polymer brake pads composites. ABSTRACT Brake emissions that occur during braking in disc brakes cause significant environmental pollution, and the measurement of particulate matter (PM) emissions resulting from braking has gained importance in recent years.
Hicri Yavuz
wiley +1 more source
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
Risk of Uterine Rupture with Vaginal Birth after Cesarean in Twin Gestations
Background. Women with a previous cesarean delivery may attempt a subsequent vaginal birth or repeat cesarean. Vaginal birth after cesarean carries a greater risk of uterine rupture, defined as the disruption of all uterine layers, resulting in maternal ...
Kimya Baradaran
doaj +1 more source
God and World in the Ontology of al-Ghazali [PDF]
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
Epoxidized soybean oil: A sustainable solution to polyvinyl chloride recycling challenges
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
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
Synthesis and Characterization of New Ferrocenyl and 3-methoxytolyl Dithiophosphonates
In this study, perthiophosphonic acid anhydrides which are previously known (2,4-bis(3-methoxytolyl)-1,3-dithia-2,4-diphosphetane-2,4-disulfide ([(3-methoxytolyl)P(S)S)2], SAV-B1 reagent and 2,4-bis(ferrocenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide [(
Ayşe Yıldırım +2 more
doaj +1 more source
İmalat sanayiinde yenilik araştırması 2006/07 raporu [PDF]
İmalat Sanayiinde Yenilik Araştırması; Karlsruhe, Almanya'da bulunan Fraunhofer Institute for Systems and Innovation Research (Fraunhofer ISI) tarafından 1993 yılında Alman imalat sanayii bünyesinde başlatılmıştır.
Ulusoy, Gunduz +3 more
core
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

