Results 21 to 30 of about 20,065 (174)

Chromium Coating of Wollastonite Filled Polyamide 6 and Evaluation of Thermal Cycle Strength

Journal of the Turkish Chemical Society Section B: Chemical Engineering, 2023
The chromium coating of plastic/polymer materials through electrolysis method has attracted attention for improving material properties. The most common material used to be coated is the Acrylonitrile Butadiene Styrene (ABS), but has disadvantages ...
Ramiz AKAY, Hakan YAZICI
doaj   +1 more source

İnternet Destekli Kimya Öğretimi

, 2003
Bu tezin, veri tabanı üzerinden yayınlanma izni bulunmamaktadır.ÖZET Anahtar Kelimeler: Enstrürnental analiz, internet destekli öğretim, kimya öğretimi Bu araştırmanın amacı Enstrürnental Analiz dersinde internet destekli öğretim kapsamında kullanılan ...
Yardımcı Doçent Doktor M. Şahin Dündar, Sakarya Üniversitesi, Fen Bilimleri Enstitüsü, Kimya Anabilim Dalı, Kimya, Kıyıcı, Gülbin   +2 more
core   +2 more sources

Determination of Optimum Conditions and Reactor Design for Safe Process Operation of Industrial Production of Phosphorous Acid Potassium Salts

Journal of the Turkish Chemical Society Section B: Chemical Engineering, 2022
An aqueous solution of phosphorous acid (H3PO3) and potassium hydroxide (KOH) is an example of a phosphonic acid neutralization reaction where potassium salts are formed.
Zeynep YİLMAZER HİTİT, Pınar AYGENER, Seda TEYMUR, Beyza AKİSKA, Kemal KESENCİ, Suna ERTUNÇ, Bülent AKAY   +6 more
doaj  

Evaluation of the Process Parameters on Subcritical Water Gasification of Sorghum by Response Surface Methodology

Journal of the Turkish Chemical Society Section B: Chemical Engineering, 2021
In this studyresponse surface methodology (RSM) with Box-Behnken design (BBD) was used toevaluate the effects of process parameters of reaction time, initial watervolume, amount of feedstock and amount of catalyst on total gasification andhydrogen ...
Açelya Seçer, Ertürk Şayan, Şefika Türker Üzden, Arif Hasan   +3 more
doaj   +2 more sources

POLİ (MORFOLİNO ETİL METAKRİLAMİD) İN BAZI ALKOL VE AROMATİKLERLE TERMODİNAMİK ETKİLEŞİM PARAMETRELERİNİN BELİRLENMESİ

Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi, 2020
Sorption thermodynamic parameters of some aromatic hydrocarbons and alcohols, weight fraction activity, Flory-Huggins interaction parameters and solubility parameters were determined of Morpholino ethyl methacrylamide polymer (PMoEMA ...
AYŞEGÜL AŞKIN, Demet TOPALOĞLU YAZICI, Musa ŞÖLENER, OsmanSermet KABASAKAL   +3 more
doaj   +1 more source

Nano‐Engineered Basalt Fiber Composites With Halloysite Nanotubes: Durability and Drilling Behavior After Acidic Aging

Polymer Composites, EarlyView.
Schematic summary of the drilling damage and microstructural degradation mechanisms in basalt fiber‐reinforced composites after acidic aging. ABSTRACT This study investigates the drilling performance and environmental durability of basalt fiber reinforced polymer (BRC) and halloysite nanotube (HNT) modified basalt nanocomposites (BRnC) exposed to ...
İbrahim Aslan, Harun Yaka, Hasan Ulus, Halil Burak Kaybal   +3 more
wiley   +1 more source

Functionally Graded Nanofiber Interlayers for Hydrothermally Aged Glass/Epoxy Laminates: Mechanical Performance and Electromagnetic Attenuation

Polymer Composites, EarlyView.
Functionally graded Ag/Fe3O4‐loaded PAN nanofiber interlayers for improved mechanical performance and EMI attenuation in GFRP laminates. ABSTRACT Functionally graded Ag/Fe3O4‐loaded polyacrylonitrile (PAN) nanofiber interlayers were placed between selected glass fabric plies to improve interlaminar damage resistance in glass fiber‐reinforced polymer ...
Hasan Ulus, Mehmet Emin Çetin, Bertan Beylergil, Alp Oral Salman, Mürsel Ekrem, Hayrettin Düzcükoğlu   +5 more
wiley   +1 more source

Kimya Eğitiminde Motivasyon ve İlgili Çalışmalar [PDF]

, 2020
Bu çalışma, kimya eğitiminde motivasyonun önemine vurgu yapmak ve Türkiyede yapılan kimya eğitiminde motivasyon çalışmalarını değerlendirmek amacıyla yapılmıştır. Bu amaç doğrultusunda Türkiyede ve dünyada kimya motivasyonu ile ilgili yapılmış çalışmalar
MEYDAN, ENGİN, Engin Meydan
core   +2 more sources

Comparative Analysis of Post‐Buckling Torsional Response in Carbon/Aramid Hybrid and Carbon Fiber Composites: Experimental Evaluation of Synergistic Effects Beyond Macro‐Scale Modeling Limits

Polymer Composites, EarlyView.
Post‐buckling torsional response of carbon fiber (a) and intraply carbon/aramid hybrid (b) composites, revealing yarn‐level interaction beyond macro‐scale modeling limits. ABSTRACT This study investigates the buckling and post‐buckling performance of Carbon Fiber Reinforced Epoxy (CFRE) and intraply Carbon/Aramid Fabric Reinforced Epoxy (C/AFRE ...
G. E. Guloglu, B. Akış
wiley   +1 more source

Effect of surface treatments on the bond strength between additively manufactured or injection‐molded high‐performance polymers and titanium

Journal of Prosthodontics, EarlyView.
Abstract Purpose To investigate the effect of surface treatment and fabrication techniques of high‐performance polymers on their shear bond strength (SBS) to grade IV titanium. Materials and Methods A total of 120 pre‐milled titanium abutments were sectioned.
Ahmet Serkan Küçükekenci, Doğu Ömür Dede, Oğuz Süleyman Özdemir, Burak Yilmaz   +3 more
wiley   +1 more source