Many multivariate functions in engineering models vary primarily along a few directions in the space of input parameters. When these directions correspond to coordinate directions, one may apply global sensitivity measures to determine the most influential parameters. However, these methods perform poorly when the directions of variability are not aligned with the natural coordinates of the inp...

The aim of the work reported in this thesis is to develop wavelet based denoising technique for MST radar data. It was proposed to achieve this by first designing a wavelet suitable for clear-air echoes and then optimizing the denoising technique to suite MST radar data. While the details of the wavelet design for MST radar data is presented in the Chapter 4, the optimization of denoising techn...

Considering the anti-diabetic potential of Trigonella foenum-graecum (TFG) and its beneficial effect on aortic reactivity of diabetic rats, this study was conducted to evaluate the effect of its alcoholic seed extract on aortic reactivity and also figure out mechanisms including the role of adrenergic and angiotensinergic systems in streptozotocin-diabetic rats. Male Wistar rats were divided in...

introduction: limited data are available on the effectiveness of antidepressants in the treatment of functional gastrointestinal disorders in children. we evaluated the effectiveness of citalopram in the treatment of childhood functional abdominal pain (fap).   material and methods: children with fap (n=115, aged 6-18 years) received either citalopram 20 mg/day or placebo for 4 weeks. treatment...

This study was conducted to evaluate the response of Iranian promisinglate blooming almond genotypes to deficit-irrigation stress on GN15 rootstock. One-year old plants subjectedto three deficit-irrigation, including moderate and severe stress (soil water potential, Ψsoil = -0.8 and -1.6 MPa, respectively) and a control treatment (Ψsoil= -0.33 MPa), were applied for six weeks to five grafting c...

In this study, response surface methodology (RSM) based on central composite design (CCD) was applied for investigation of the effects of ultrasonic waves, temperature and solvent concentration on viscosity reduction of residue fuel oil (RFO). Ultrasonic irradiation was employed at low frequency of 24 kHz and power of 280 W. The results showed that the combination of ultrasonic waves and solven...

A series of phenoxybenzylidene aroylhydrazine derivatives were synthesized and their structureswere confirmed using FT-IR and 1H-NMR spectroscopy. Analgesic profiles of all compoundswere examined using abdominal constriction test (writhing test). Most of synthesized compoundsinduced significant reduction in the writhing response as compared with controls. The mostactive compounds exhibited an a...

The reduction of Fe2O3 powder at the top layer by the volatiles from high volatile (HV) bituminous coal at the bottom layer of a multilayer powder geometry including a separating alumina layer was studied. The simultaneous effects of the alumina layer thickness, time, temperature and the weight of coal on the amount of reduction and coal devolatilization were studied by implementing a rotatable...

Background: The emergency medical services system has a vital role in the timely treatment of victims and the reduction of injury and mortality rates. Ambulance response time is an essential variable in evaluating the quality of its services. The aim of this study was to determine the ambulance response time and to compare it according to background variables. Methods: This descriptive study ...