Ara
Toplam kayıt 1285, listelenen: 851-860
Aromatisation in adducts of alpha-terpinene: Influence of hindered internal rotations
(Science Reviews 2000 Ltd, 2011)
Each adduct of alpha-terpinene with p-quinone and 1,4-naphthoquinone in Ac(2)O/Et(3)N at 180 C gives two aromatic products, one of which had a distinctive smell formed by the loss of an ethylene group. Here, we report the ...
Investigation of the quality and physical-geochemical characteristics of the drinking water in Gumushane (Turkey) city central
(Springer Heidelberg, 2016)
The physical (turbidity, color, smell, taste, pH, and conductivity) and geochemical properties (Ca, Mg, Na, Fe, Mn, Al, K, Cl- HCO3- SO4 Fe, Cu, Co, Ni, Zn, Cd, Pb, and Cr) of the drinking water in Gmushane city center ...
The effect of COVID-19 anxiety levels of healthcare professionals on the quality of working life and related factors
(Wiley, 2021)
Aim This study aims to determine the effect of COVID-19 anxiety levels of healthcare professionals on their working life quality. Method The sample of the descriptive, cross-sectional and correlational study consisted of ...
On the Numerical Solution of Fractional Parabolic Partial Differential Equations with the Dirichlet Condition
(Hindawi Ltd, 2012)
The first and second order of accuracy stable difference schemes for the numerical solution of the mixed problem for the fractional parabolic equation are presented. Stability and almost coercive stability estimates for ...
Petrogenesis of ultramafic rocks from the eastern Orhaneli ophiolite, NW Turkey: Hints on the initiation and evolution of melt-peridotite interaction processes within a heterogeneously depleted mantle section
(Pergamon-Elsevier Science Ltd, 2017)
The eastern Orhaneli ophiolite in NW Anatolia (Turkey) consists of voluminous dunite and minor harzburgite intruded by clinopyroxenite veins. Harzburgite contains spinel of low Cr# [100 x Cr/(Cr + Al) = 40-45] and diopside ...
In vitro Antioxidant and Cytotoxic Activities of Extracts of Endemic Tanacetum erzincanense Together with Phenolic Content by LC-ESI-QTOF-MS
(Wiley-V C H Verlag Gmbh, 2021)
In this study, phenolic composition, and in vitro biological activities of ethyl acetate (EAE) and methanol (ME) extracts obtained from the aerial parts of endemic Tanacetum erzincanense were investigated. Total phenolic ...
Cytotoxic effect of Rosa canina extract on human colon cancer cells through repression of telomerase expression
(Elsevier Science Bv, 2018)
Rosa canina is a member of the genus Rosa that has long been used for medical objectives. Several studies have reported cytotoxic effects of different Rosa species, but there has been only limited investigation of the ...
Determination of Tectonic and Crustal Structure of the Eastern Pontide Orogenic Belt (NE Turkey) Using Gravity and Magnetic Data
(Springer Basel Ag, 2009)
The Eastern Pontide Orogenic Belt is one of the most complex geodynamic settings within the Alpine belt. Subduction polarity, which is responsible for the formation of the Eastern Pontide Magmatic Arc, is still under debate ...
New thiophene-1,2,4-triazole-5(3)-ones: Highly bioactive thiosemicarbazides, structures of Schiff bases and triazole-thiols
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2014)
Key compound 2-(4-amino-5-oxo-3-(thiophene-2-ylmethyl)-4,5-dihydro-1,2,4-tiazole-1-yl) acetohydrazide (3) was synthesized by reacting hydrazine hydrate with ethyl-2-(4-amino-5-oxo-3-(thiophene2-ylmethyl)-4,5-dihydro-1,2, ...
Geochemistry of Coruh River Bed Sediments in NE Turkey: Implications in Weathering-Sedimentary Cycle, Provenance, and Metal Pollution
(Maik Nauka/Interperiodica/Springer, 2018)
This study defines the source area, sub-aerial weathering, and sedimentary cycle level, as well as heavy metal content and origin, of the Coruh River bed sediments. The studied sediments are geochemically classified as ...