نتایج جستجو برای: smooth
تعداد نتایج: 117982 فیلتر نتایج به سال:
In recent years steganography has attracted the attention of many researchers. Steganography can be used in media such as still image, audio, and video. Image is one of the most frequently used media. One of the forms of presentation of an image is halftone. In this paper a method is presented which hides data in halftone images. The data hiding process is performed during the halftoning step. ...
in this paper, we propose a parametric uniform approximation method to solve np-hard absolute value equations. for this, we uniformly approximate absolute value in such a way that the nonsmooth absolute value equation can be formulated as a smooth nonlinear equation. by solving the parametric smooth nonlinear equation using newton method, for a decreasing sequence of parameters, we can get the ...
Objective: Asafoetida (Ferula assa-foetida) is known as a valuable remedy for whooping cough, pneumonia, bronchitis in children and asthma treatment in folk medicine. In the present study the relaxant effects of the asafoetida on tracheal smooth muscle of guinea pigs and its probable mechanism(s) were examined. Materials and Methods: The relaxant effects of three cumulative concentrations of t...
emph{ Smooth Projective Hash Functions } ( SPHFs ) as a specific pattern of zero knowledge proof system are fundamental tools to build many efficient cryptographic schemes and protocols. As an application of SPHFs, emph { Password - Based Authenticated Key Exchange } ( PAKE ) protocol is well-studied area in the last few years. In 2009, Katz and Vaikuntanathan described the first lattice-based ...
Single crystats of CdTe and CdSe have been grown by vapcr pnase deposition . Crystals grown in the from of platelets were studied by X-ray diffraction Laue method. It was found llial the faU;:) of O1Te with zincblcndc structure are of {tIl} type and tbose ofCdSe with wunlile structure are of {l120} or {IOIO} types. Platelets of CdTe have one smooth face and one rough face which can be dist...
Gastroesophageal-vul var leiomyomatosis is a very rare condition it is characterized by diffuse, ill-defined proliferation of smooth muscle in the esophagus and vulva. We present an interesting case of esophageal leiomyomatosis in a woman with a history of vulvar leiomyomatosis and a gall bladder full of stones. She was 18-years old and had a 4 year history of vulvar mass and clitoromegaly,...
abstract one of the most frequently encountered cases of rapid varied flow is the hydraulic jump. it occurs when a supercritical open channel flow changes into sub critical flow. in the present research, the experimental study of the hydraulic jump on seven sinusoidal corrugated beds with different wave steepness. the wave steepness of sinusoidal corrugated beds is in the range of 0.1667 to 0.7...
generally, fatigue failure in an element happens at the notch on a surface where the stress level rises because of the stress concentration effect. the present paper investigates the effect of a notch on the fatigue life of the hsla100 (high strength low alloy) steel which is widely applicable in the marine industry. tensile test was conducted on specimens and mechanical properties were obtain...
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