Ara
Toplam kayıt 6000, listelenen: 61-70
Efficient Tm:YAG and Tm:LuAG lasers pumped by 681 nm tapered diodes
(OSA - The Optical Society, 2019)
In this paper, we present highly efficient continuous-wave (cw) laser operation of Tm:YAG and Tm:LuAG lasers pumped by high-brightness red tapered diodes. The single-emitter tapered diode lasers (TDLs) provide up to 1 W ...
Utilizing argument-driven-inquiry to develop pre-service teachers’ metacognitive awareness and writing skills
(International Journal of Research in Education and Science, 2019)
Recent reform efforts in science education have brought scientific literacy to researchers’ attention. Researchers have been searching for new instructional models to engage students’ variety of scientific practices to ...
Öğretmenlerin örgütsel ikiyüzlülük algıları ile örgütsel adalet algıları arasındaki ilişkinin incelenmesi
(2019)
Bu araştırmada öğretmenlerin örgütsel ikiyüzlülük algıları ile örgütsel adalet algıları arasındaki ilişkinin belirlenmesi amaçlanmıştır. İlişkisel tarama yaklaşımı kapsamında yapılan araştırmaya Trabzon il merkezi ve ...
Synthesis and antimicrobial activities of some new 1,2,4-triazole derivatives
(MDPI, 2010)
Some novel 4,5-disubstituted-2,4-dihydro-3H-1,2,4-triazol-3-one (3, 6, 8, 9) derivatives and or 3-(4-methylphenyl)[1,2,4]triazolo[3,4-b][1,3]benzoxazole (5) were synthesized from the reaction of various ester ethoxycarbo ...
Effect of transport current on the pinning induced magnetostriction of type-II superconductors
(Polish Academy of Sciences, 2008)
We investigated theoretically the influence of the transport current and applied magnetic field on the magnetostriction of type-II superconductors. In order to study the magnetostrictive response of a superconducting slab ...
Suborbital graphs for the group ?2
(Hacettepe University, 2015)
In this paper, we investigate suborbital graphs formed by the action of ?2 which is the group generated by the second powers of the elements of the modular group ? on Q. Firstly, conditions for being an edge, self-paired ...
Mapping the increasing sophistication of students’ understandings of plate tectonics: A learning progressions approach
(Taylor and Francis Inc., 2019)
Plate tectonics is the organizing paradigm of geosciences, but it is also conceptually complex, and students often struggle with developing a system level understanding of the earth. This article reports on research designed ...
The effect of ethnobotanic activities on learning performance of pre-service teachers about plants’ classification
(SciencePark Science, Organization and Counseling, 2019)
This study analyses the effectiveness of ethnobotanic activities on learning performance of pre-service teachers about plants’ classification. The research design was a quasi-experimental model. The results of the study ...
Diversity of citrus germplasm in the Black Sea Region in Turkey
(International Society for Horticultural Science, 2019)
The Black Sea Agricultural region represents 12.59% of Turkey’s fruit production and particularly the East Black Sea region ranks as 3rd in citrus fruit production after the Mediterranean and Aegean regions. Due to climate, ...
Integration of engineering design in early education: How to achieve it
(Birlesik Dunya Yenilik Arastirma ve Yayıncilik Merkezi, 2019)
Young boys and girls make houses and beds from cloths and cartons for their dolls, erect shelters and fences for toy animals, build ramps and garages from blocks for toy cars, and lift objects using a rope and reel for ...