نتایج جستجو برای: wave

تعداد نتایج: 218105  

Journal: :iranian journal of veterinary research 2015
g. r. bhat g. s. dhaliwal s. ghuman m. honparkhe

the study was undertaken to compare the efficacy of an estradiol-17β + cidr based protocol with the conventional ovsynch + cidr based protocol for synchrony of wave emergence and ovulation in murrah buffalos. in group i (n=25), on day 0 (beginning of experiment), buffaloes were administered a cidr device (1.38 g p4) and concurrently received 1.5 mg e-17β. on day 9, the cidr was removed and a pr...

Journal: :acta medica iranica 0
h. r. hatamian m. r. imamhadi

determination of f-wave latency is a simple and valuable method in evaluating proximal part of peripheral nerves. the aim of this study was to determine the mean minimal peroneal f wave (f min) in healthy individuals. a total of 282 individuals were studied. the mean age was 45.6 years. the f min (± sd) for 564 peroneal nerves was 47.09 ± 4.51 ms. the f min for the age group of 20-45 and height...

Journal: :wavelets and linear algebra 0
ashok kumar sah university of delhi

in this paper we study necessary and sufficient conditions for some types of linear combinations of wave packet frames to be a frame for l^2(r^d). further, we illustrate our results with some examples and applications.

Journal: :international journal of occupational and environment medicine 0
i masood department of general surgery, dow university of health sciences, karachi, pakistan z majid civil hospital karachi, dow university of health sciences, karachi, pakistan s sohail civil hospital karachi, dow university of health sciences, karachi, pakistan a zia civil hospital karachi, dow university of health sciences, karachi, pakistan s raza heart and vascular institute, cleveland clinic foundation, cleveland, usa

[no abstract available]

Journal: :international journal of industrial mathematics 0
s. dhawan department of mathematics, dr. b. r. ambedkar national institute of technology jalandhar, india. s. kumar department of mathematics, dr. b. r. ambedkar national institute of technology jalandhar, india.

solitons are ubiquitous and exist in almost every area from sky to bottom. for solitons to appear, the relevant equation of motion must be nonlinear. in the present study, we deal with the korteweg-devries (kdv), modi ed korteweg-de vries (mkdv) and regularised longwave (rlw) equations using homotopy perturbation method (hpm). the algorithm makes use of the hpm to determine the initial expansio...

Journal: :روش های عددی در مهندسی (استقلال) 0
سعید فیض و سعید همتی s. feiz and s. hemati

one of the factors which limits the transmission capacity of the fiber optics communication channel is the material dispersion. exact analytical study of the material dispersion is often complex and involves calculating the derivatives of the refractive index of the core. these calculations are too cumbersome to do, especially for high-order derivatives. so material dispersion has only been stu...

Journal: :international journal of environmental research 2012
a.r. noorpoor a. sadighzadeh h. habibnejad

the removal of fine particles less than 2.5 μm in diameter generated from industrial plantsrepresents a serious challenge in air pollution abatement. these particles can penetrate deeply into the lungs and are difficult to remove by cyclones, electrostatic precipitators, and other conventional separation devices. in this paper, the influence of acoustic waves on removing aerosol particles from ...

In this paper, we present soliton-like solutions of the non-linear complex Klein-Gordon systems in 1+1 dimensions. We will use polar representation to introduce three different soliton-like solutions including, complex kinks (anti-kinks), radiative profiles, and localized wave-packets. Complex kinks (anti-kinks) are topological objects with zero electrical charges. Radiative profiles are object...

A direct rational exponential scheme is offered to construct exact multi-soliton solutions of nonlinear partial differential equation. We have considered the Calogero–Bogoyavlenskii–Schiff equation and KdV equation as two concrete examples to show efficiency of the method. As a result, one wave, two wave and three wave soliton solutions are obtained. Corresponding potential energy of the solito...

This study tries to identify, classify, and analyze synoptic cold wave in North West region of Iran. This study applies standardized (z scores) index of Minimum Temperature in the period of 1951-2010.as such cold waves were classified based on the intensity of occurance. Out of occured cold wave in North West of the coldest identified wave pertaingt each class for synoptic analyzes were selecte...

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