نتایج جستجو برای: geometrical modification
تعداد نتایج: 155817 فیلتر نتایج به سال:
There is a vast literature showing the connection between deformed relativistic kinematics and curved momentum space, and, in particular, how former can be obtained from geometrical properties of latter. However, there not any mention about geometry multi-particle system making manifest possible modification metric one particle due to presence others. In this work we explore depending on partic...
a brass vortex tube (vt) with interchangeable parts is used to determine the optimum cold end orifice diameter, main tube length and diameter. experiments were carried out to study the effects of operating pressure as well. it is shown that there is an optimum value for cold end orifice diameter, which is equal to 4mm and there is an optimum value for cold and hot exit temperature difference at...
Abstract geometrical computation 7: geometrical accumulations and computably enumerable real numbers
The process of developing architectural forms has greatly been changed by advances in digital technology, especially in design tools and applications. In recent years, the advent of graphical scripting languages in the design process has profoundly affected 3D modeling. Scripting languages help develop algorithms and geometrical grammar of shapes based on their constituent parameters. This stud...
It is well-known that the universe opaque to propagation of Ultra-High-Energy Cosmic Rays (UHECRs) since these particles dissipate energy during their interacting with background fields present in universe, mainly Microwave Background (CMB) so-called GZK cut-off phenomenon. Some experimental evidence seems hint at possibility a dilation predicted opacity sphere. kinematical perturbations caused...
Abstract In this paper, general grains of solid propulsion systems such as cylindrical grains, multilateral grains and star grains are designed by new method. This method is more rapid in comparison with the others that act base on geometrical breakdown and boundary condition definition. In this method, geometrical definition point and grain production are defined and then the burning surfa...
The acceptance of public participation in science and technology governance in liberal democratic contexts is evident in the institutionalization of a variety of mechanisms for participation in recent decades. Yet questions remain about the extent to which institutions have actually transformed their policy practice to embrace democratic governance of techno-scientific decision making. A critic...
A large number of civil registries are available as analog maps that require georeferencing. Besides the quality of the analog maps and control points, the algorithm used for georeferencing also affects the accuracy of the map and the carried out geometrical calculations which indicates the need to study modern Georeferencing Methods. This requires the adoption of georeferencing optimization mo...
hirchsprung’s disease is a developmental disorder of the enteric nervous system, characterized by abdsence of ganglion cell in the myenterric and submucosal plexuese along a variable portion of the distal intestine.the purpose of this study is the presentation of a new procedure for reduction of the postoperative complications of hirschsprung’s disease (hd) by offering a modified swenson’s tech...
background: visceral leishmaniasis is systematic serous parasitic disease with public health importance. zoonotic form of visceral leishmaniasis is wide spread in mediterranean basin and south america regions. direct agglutination test (dat) is an accurate, reliable and non-expensive serological test for the diagnosis of visceral leishmaniasis in human and canines but the antigen preparation i...
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