Results 41 to 50 of about 4,927 (184)

Students’ associations with the STEM acronym and their impact on value beliefs and STEM choices

open access: yesAnnals of the New York Academy of Sciences, Volume 1552, Issue 1, Page 297-313, October 2025.
The perceived meaning of the acronym STEM (science, technology, engineering, mathematics) affected value beliefs and school career decisions for STEM. Associations of the STEM acronym with mathematics increased cost beliefs, which in turn decreased decisions for STEM careers.
Heidrun Stoeger   +2 more
wiley   +1 more source

TEKNOLOJİ POLİTİKALARI VE TÜRKİYE: BİR İNCELEME

open access: yesSosyal Ekonomik Araştırmalar Dergisi, 2008
Bu çalışma Avrupa Topluluğuna girmeyi amaçlayan Türkiye için optimal bir teknoloji politika çerçevesi oluşturmak için dünyadaki teknoloji politikaları arasında bir karşılaştırma yapmak amacındadır.
İsmail SEYREK, Murat SARIKAYA
doaj   +4 more sources

The Effect of Voltage on Joining of Ramor 500 Armor Steel With Submerged Arc Welding Method

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2018
In this study, the Ramor 500 armor steel pair was combined with the submerged welding method. Cr, Niand Mn based austenitic additive wire was used in the joining process. Radiographic examination wasperformed on the samples after welding.
Semih Taşkaya   +2 more
doaj   +1 more source

Comparison of Numerical Results With Experiment Using Digital Image Correlation System of Multiobjective Structural Optimised Wind Turbine Blade

open access: yesWind Energy, Volume 28, Issue 9, September 2025.
ABSTRACT This paper presents a novel approach to the structural design of small‐scale turbine blades using the Artificial Bee Colony (ABC) Algorithm to optimise both mass and cost (objective functions), with a comparison to experimental results obtained using a Digital Image Correlation (DIC) system. The optimisation algorithm defined several variables,
Ramazan Özkan, Mustafa Serdar Genç
wiley   +1 more source

Melisa (Melissa officinalis L.) Bitkisinde in vitro Kuraklık Stresine Morfolojik Yanıtlar

open access: yesISPEC Journal of Agricultural Sciences
Bu çalışma, kuraklık stresinin in vitro koşullarda melisa (Melissa officinalis L.) bitkisinin morfolojik gelişimi üzerindeki etkilerini belirlemek amacıyla yürütülmüştür. Denemeler, Çukurova Üniversitesi Ziraat Fakültesi Bahçe Bitkileri Bölümü Prof. Dr.
Yusuf AKGÜL   +6 more
doaj   +1 more source

Toz Enjeksiyon Kalıplama Yöntemi için Üretilmiş Kobalt Esaslı Süperalaşım Besleme Stoklarının Reolojik Özelliklerinin İncelenmesi

open access: yesEskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi, 2022
Toz Enjeksiyon Kalıplama (TEK) gelişmiş bir Toz Metalurjisi (TM) üretim tekniği olup karmaşık geometriye ve dar tolerans aralıklarına sahip parçaların seri üretiminde kullanılan modern bir üretim metodudur.
Eren Gayretli   +2 more
doaj   +1 more source

Evaluation of the extracts of purple basil (Ocimum basilicum L.) as natural pH‐indicator dyes anticipated to be utilised in intelligent food packaging—an optimisation study

open access: yesColoration Technology, Volume 140, Issue 6, Page 937-951, December 2024.
Abstract Purple basil (Ocimum basilicum L.) extract has significant potential as a natural colorimetric pH‐indicator material owing to its abundance in anthocyanins. This contribution is the first to optimise the ultrasound‐assisted extraction of purple basil by response surface methodology in terms of maximum total monomeric anthocyanin (TMA) content ...
Elif Erez, Beste Bayramoglu
wiley   +1 more source

Etil Alkol Yakıtlı HCCI Motorun Performans, NO ve İs Emisyon Özelliklerinin Deneysel Olarak İncelenmesi

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi
Rezervlerinin sınırlı ve hızla tükeniyor olması fosil yakıtların kullanım maliyetlerini artırmaktadır. Bununla birlikte, yasal emisyon standartlarının fosil yakıt kaynaklar ile karşılanmasında güçlükler yaşanmaktadır.
Ahmet Kolip   +2 more
doaj   +1 more source

Raspbraille: Conversion to Braille Alphabet with Optical Character Recognition and Voice Recognition Algorithm

open access: yesHittite Journal of Science and Engineering, 2022
It is quite difficult for visually impaired individuals to read a physically printed material. It is a necessity to provide information flow and communication between visually impaired individuals and other individuals.
Büşra Büyüktanır   +3 more
doaj   +1 more source

Assessment of Sustainability in the Supply Chain of Sweet Red Pepper Paste Production With Exergy and Life Cycle Analyses

open access: yesFood and Energy Security, Volume 13, Issue 6, November/December 2024.
Sweet red pepper paste production from farm to fork and cradle to gate, including energy, exergy, CO₂ emissions, and life cycle, was performed. Farming and packaging‐transportation steps consume the most energy and damage the environment. Biodiesel, precision farming, and PET packaging were the most energy‐efficient and environmentally friendly ...
Samiye Adal, Zafer Erbay
wiley   +1 more source

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