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Toplam kayıt 79, listelenen: 41-60
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e^(ax+by) Yoğunluklu E^3_1 Uzayında Sıfır Ağırlıklı Eğriliğe Sahip Null Olmayan Düzlemsel Eğrilerin Oluşturduğu Yüzeyler
(Erzincan Üniversitesi, 2020)Bu çalışmada, ... yoğunluklu ... 1 3 Lorentz-Minkowski uzayında, ikisi aynı anda sıfır olmayan ... ve ... sabitlerinin durumlarına göre, ağırlıklı eğrilikleri sıfır olan spacelike ve timelike düzlemsel eğriler yardımıyla ... -
Türkiye finansal gelişiminde enerji tüketiminin rolü
(Fırat Üniversitesi, 2020)Ülkeler açısından en sağlam gelişim temellerinden biri şüphesiz üreterek büyümek, özellikle de teknoloji üreterek, hammadde tüketerek ve daha fazla enerji tüketerek bu büyümeyi gerçekleştirmektir. Bu çalışmanın amacı ... -
Environmental, ecological and health risks of trace elements, and their sources in soils of Harran Plain, Turkey
(Elsevier, 2020)Soil pollution with trace elements (TEs) has become an increasingly serious environmental concern, however, assessment of ecological and human health risks especially in intensive agricultural regions remains limited. In ... -
Spatio-temporal changes in surface water quality and sediment phosphorus content of a large reservoir in Turkey
(Elsevier, 2020)The Keban Dam Reservoir, located on the Euphrates River, is the second largest reservoir of Turkey. Water quality of this reservoir is of great importance because it is widely used for recreation, aquaculture production, ... -
An investigation of histopathological changes and bioaccumulation in tissues of rainbow trout (Oncorhynchus mykiss) after exposure to dodine
(Taylor & Francis, 2020)The purpose of this research is to determine ecotoxicological effects of dodine (n-dodecylguanidini acetate) on aquatic environments. Though dodine is widely used as a fungicide in agriculture, but there is no much data ... -
Macroelements and toxic trace elements in muscle and liver of fish species from the largest three reservoirs in Turkey and human risk assessment based on the worst-case scenarios
(Elsevier, 2020)Macroelement (Na, K, Ca, Mg and P) and toxic trace element (As, Cd and Pb) contents were investigated in muscle and liver of the two fish species (common carp and trout barb) from the largest three reservoirs (Atatürk, ... -
Accumulation of trace elements in muscle, gill and liver of fish species (Capoeta umbla and Luciobarbus mystaceus) in the Tigris River (Turkey), and health risk assessment
(Elsevier, 2020)Two fish species (Capoeta umbla and Luciobarbus mystaceus) were collected from the Tigris River (Turkey), and tissues (gill, muscle and liver) of fish samples were analyzed for Cd, As, Mn, Cr, Cu, Co and Ni using the ... -
Trace metals in core sediments from a deep lake in eastern Turkey: Vertical concentration profiles, eco-environmental risks and possible sources
(Elsevier, 2020)The contents of 12 trace metals (Hg, As, Pb, Cd, Ni, Cr, Zn, Cu, Co, Mn, Al and Fe) in two sediment cores (Hz11-P02 and Hz11-P09) from the Lake Hazar, one of the deepest natural lakes in Turkey, were examined to evaluate ... -
Synthesis of polyhedral oligomeric silsesquioxane-n-acetylcysteine conjugate with click chemistry and ıts antioxidant response and biocompatibility
(Cumhuriyet Üniversitesi, 2020)In this study, polyhedral oligomeric silsesquioxane-N-acetylcysteine (POSS-NAC) conjugate as a potential antioxidant molecule was synthesized from N-acetylcysteine (NAC) and aminofunctional POSS structure by click chemistry. ... -
Effects of macerate oil of garlic (Allium sativum, Limne), Tunceli garlic (Allium tuncelianum, Kollman) and oninon (Allium cepa, Limne) on antioxidant enzyme activities of rainbow trout (Oncorhynchus mykiss L.)
(Bülent Verep, 2020)In this study, antioxidant enzyme activities effects of dietary supplementation of garlic (Allium sativum, Limne) oil macerate, Tunceli garlic (Allium tuncelianum, Kollman) oil macerate and onion (Allium cepa, Limne) oil ... -
Ruled Surfaces Constructed by Planar Curves In Euclidean 3-Space With Density
(Celal Bayar Üniversitesi, 2020)In the present study, firstly we recall the parametric expressions of planar curves with zero ...-curvature in Euclidean 3-space with density ... 1 and with the aid of the Frenet frame of these planar curves, we obtain the ... -
Monge hypersurfaces in euclidean 4-space with density
(Gazi Üniversitesi, 2020)In the present study, firstly we give the mean and Gaussian curvatures of a Monge hypersurface in 4-dimensional Euclidean space. After this, we study on Monge hypersurfaces in with different densities. In this context, we ... -
Şâhidî’nin manzum lügâtinin söz varlığı üzerine bir değerlendirme
(Karadeniz Araştırmaları Merkezi, 2021)Sözlükler bir dilin bütün söz varlığını kapsadığından, o dilin varlığını sürdürmesi, muhafazası ve gelecek nesillere aktarılabilmesi için temel kaynaklardır. Manzum sözlükler ise Osmanlı sahasında özellikle XVI. yüzyıldan ... -
Digenean parasites of labrid fishes (labridae: symphodus) from Turkish coasts of the Black Sea: new records
(İstanbul Üniversitesi (Istanbul University), 2021)n the present study digenean parasite faunas of four labrid fishes, Symphodus tinca, S. rossali, S. cinereus and S. ocellatus were investigated and compared. A total of 52 fish specimens were caught on the Black Sea coast ... -
Spatiotemporal variations, health risks, pollution status and possible sources of dissolved trace metal(loid)s in the Karasu River, Turkey
(Elsevier, 2021)The Karasu River is the main tributary of the Euphrates River, which is the longest river in Southwest Asia. Domestic and industrial wastewater discharges, agricultural practices and mining activities in the basin can cause ... -
Variations, health risks, pollution status and possible sources of dissolved toxic metal(loid)s in stagnant water bodies located in an intensive agricultural region of Turkey
(Elsevier, 2021)There are many reservoirs, ponds and lakes in the Meriç-Ergene River Basin (Turkey), which is an intensive agricultural region. Since agrochemicals are extensively applied to the agricultural soils in the basin, these water ... -
Impact of the COVID-19 lockdown period on surface water quality in the Meriç-Ergene River Basin, Northwest Turkey
(Elsevier, 2021)The surface water resources in the Meriç-Ergene River Basin, especially Ergene River and Çorlu Stream are among the most polluted rivers in Turkey. Despite the action plans for prevention and control of surface water ... -
Determination of characterization, antibacterial and drug release properties of POSSbased film synthesized with sol-gel technique
(TÜBİTAK, 2021)In the study, antibacterial film synthesis was aimed using sol-gel technique from POSS structure with various functional groups. For this purpose, antibacterial properties have been acquired by metronidazole to the films ... -
Mid-autumn spermiation in outdoor-cultured pikeperch (Sander lucioperca) using different gonadoliberin application strategies
(Elsevier, 2021)This study aimed to find the optimal strategy for the application of salmon gonadotropin-releasing hormone analogue (sGnRHa) in outdoor-cultured pikeperch males in an exceptionally early term in early November. According ... -
Impact of paddy fields on water quality of Gala Lake (Turkey): An important migratory bird stopover habitat
(Elsevier, 2021)Gala Lake is an internationally important lake due to its location on one of the world's most important bird migration routes. For this reason, water quality of the lake is of great concern. However, the lake surrounded ...