نتایج جستجو برای: dimensions and 57 elements finally
تعداد نتایج: 16881664 فیلتر نتایج به سال:
We present an efficient algorithmic framework for constructing multi-level hp-bases that uses a data-oriented approach easily extends to any number of dimensions and provides natural performance-optimized implementations. only operate on the bounding faces finite elements without considering their lower-dimensional topological features demonstrate potential presented methods using newly written...
chapter one is devotod to collect some notion and background informations, which are needed in the next chapters. it also contains some important statements which will be proved in a more general context later in this thesis. in chapter two, we show that if the marginal factor-group is of order np1...pk,n>1, then we obtain a bound for the order of the verbal subgroup. also a bound for the bear-...
Introduction: Crosstalk is a leakage of X-ray or light produced in a matrix of X-ray detectors or array of photodiodes in one element to other elements affecting on image contrast and spatial resolution. In this study, we assessed X-ray crosstalk in a computed tomography (CT) scanner with small detector elements to estimate the effect of various parameters such as X-ray tube voltage, detector e...
Urban areas today face a number of structural problems that have a lot of impact on the extent of damages. These changes are evident in most cases, in addition to the physical dimensions, in both social and economic dimensions, one of which is exhausting. The concept of urban resilience, considering the extent of these changes, seeks to predict the damage, as easily as to stabilize a system tha...
A central object in the interpretation of quantum mechanics of closed systems with decoherent histories is the decoherence matrix. But only for a very small number of models one is able to give explicit expressions for its elements. So numerical methods are required. Unfortunately the dimensions of this matrices are usually very high, which makes also a direct numerical calculation impossible. ...
The aim of this study was to propose a model for human resource training at the Ministry of Sports and Youth. This research is practical from the objective point of view and it is complex (the combination of qualitative and quantitative methods) from nature perspective. The statistical population in the qualitative sector, including the experts of the Ministry of Sports, was knowledgeable and d...
in this paper, we introduce the notion of the radical of a $pmv$-algebra $a$ and we charactrize radical $a$ via elements of $a$. also, we introduce the notion of the radical of a $cdot$-ideal in $pmv$-algebras. several characterizations of this radical is given. we define the notion of a semimaximal $cdot$-ideal in a $pmv$-algebra. finally we show that $a/i$ has no nilpotent elemen...
investigating the feasibility of a proposed model for geometric design of deployable arch structures
deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...
abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...
In recent years, great efforts have been made to generate 3D models of urban structures in photogrammetry and remote sensing. 3D reconstruction of the bridge, as one of the most important urban structures in transportation systems, has been neglected because of its geometric and structural complexity. Due to the UAV technology development in spatial data acquisition, in this study, the point cl...
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