Ara
Toplam kayıt 2545, listelenen: 31-40
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 ...
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 ...
Investigation of 9th grade students’ geometrical figure apprehension
(Eurasian Society of Educational Research, 2019)
In the present study, the aim was to investigate 9th grade students’ geometrical figure apprehension. To this end, the Figure Apprehension Cognitive Processes Test (FACPT), constructed by the researchers of the study, was ...
Coexistence of papillary thyroid cancer and Hashimoto's thyroiditis developing within an ovarian mature cystic teratoma
(Wolters Kluwer Medknow Publications, 2019)
A wide variety of tissues derived from the three germ layers are seen in ovarian teratomas. Microscopically, the most commonly seen tissues are epidermis, skin adnexa, and neural tissues. Thyroid tissue is present in 10% ...
Mapping the distribution of amphibian species in Rize province, Turkey
(Societas Europaea Herpetologica, 2019)
The Caucasus biodiversity hotspot covering the northeastern part of Turkey is one of the richest regions in terms of global biodiversity. Rize Province is located in the Transcaucasia region portion of this hotspot. We ...
Relationship between the levels of oxidative stress in mesenteric and peripheral serum and clinicopathological variables in colorectal cancer
(AVES Yayıncılık, 2012)
Amaç: Kolorektal kanserli hastalarda, periferik ve mezenterik serum oksidatif stres düzeyleri arasındaki farkları göstermek. Gereç ve Yöntemler: Mayıs 2005-Mart 2010 yılları arasında kolorektal kanser nedeniyle cerrahi ...