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Toplam kayıt 208, listelenen: 31-40
Evaluating the comparative efficiency of the postal services in OECD countries using context-dependent and measure-specific data envelopment analysis
(Emerald Group Publishing Ltd, 2015)
Purpose - in an effort to help policy makers develop competitive postal service strategies, the purpose of this paper is to evaluate the comparative operating efficiencies of postal services across the Organization for ...
Synthesis of some new benzimidazole derivatives with their antioxidant activities
(Bentham Science Publ Ltd, 2015)
In this paper, some benzimidazole derivatives containing salicyl, oxadiazole, thiosemicarbazide and 1, 2, 4-triazole moieties have been synthesized and screened their antioxidant activities screened. Antioxidant activities ...
A new approach to calculation of energy demand and amount of emission according to different indoor temperature
(Inderscience Enterprises Ltd, 2015)
In this study, annual, monthly and hourly ambient temperature distributions are determined and analysed for Karabuk . For each month of the year, variance of outdoor air temperature, monthly and seasonal heating degree ...
Microwave-promoted synthesis and biological activity of some 2-hetarylmethyl-4-(4-hetarylphenyl)-5-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one derivatives
(Springer, 2015)
A series of fused and non-fused 1,2,4-triazole derivatives were prepared starting from ethyl 4-[1-(2-ethoxy-2-oxoethyl)-3-methyl-5-oxo-1,5-dihydro-4H-1,2,4-triazol-4-yl]benzoate. Firstly, both ethyl ester groups were ...
A cross-age study of science student teachers' chemistry attitudes
(Royal Soc Chemistry, 2015)
The aim of this study is to investigate the effects of some variables (gender and year of study) on science student teachers' (SSTs) chemistry attitudes. An adapted version of Chemistry Attitudes and Experiences Questionnaire ...
An unsymmetrical ferrocene based azine and its Cu(II) complex: Spectroscopy, crystal structure, electrochemistry and DFT calculations
(Elsevier Science Sa, 2015)
An unsymmetrical ferrocenyl-substituted azine ligand and its Cu(II) complex have been prepared in this study. the redox active ferrocene-based azine ligand was obtained by condensation of 2-methanehydrazonoylphenol and ...
Immediate-type hypersensitivity reactions due to antituberculosis drugs: a successful readministration protocol
(Elsevier Science Inc, 2015)
Background: Little is known about drug hypersensitivity reactions from antituberculosis drugs. Objective: To determine the frequency, risk factors, and characteristics of immediate-type hypersensitivity reactions from ...
Determination of natural radioactivity by gross alpha and beta measurements in tap waters in Rize province
(Springer, 2015)
The aim of the study to determine the level of gross alpha and beta activity concentrations in tap waters in dwellings of Rize province from North part of Turkey after 27 years from Chernobyl disaster. the activity ...
Evaluation of quality of life in fertile Turkish women with severe endometriosis
(Taylor & Francis Inc, 2015)
We assessed the impact of pain, dysmenorrhoea and dyspareunia on the quality of life among Turkish fertile women with severe endometriosis. A total of 33 patients with histopathologically diagnosed severe endometriosis ...