نتایج جستجو برای: specified strength
تعداد نتایج: 269905 فیلتر نتایج به سال:
In this paper, to simulate mechanical stress on the cutter bar of the harvesting combine during cutting of wheat stems, first, shearing strength of the stems was measured for various moisture content levels and cutting heights. After that the cutter bar of combine was simulated by Abaqus with the specified conditions. The results of the simulation showed that with increase in moisture content o...
Traditional teaching suggests that corticosteroids should be avoided during acute infectious episodes for fear of compromising the immune response. However, the outcome benefit shown through steroid administration in early septic shock implies this paranoia may be misplaced. We therefore performed a systematic review of the literature to identify the current strength of evidence for the use of ...
A Central Limit Theorem Associated with the Transformed Two-parameter Poisson–dirichlet Distribution
In this paper we introduce the transformed two-parameter Poisson–Dirichlet distribution σθ,α on the ordered infinite simplex. Furthermore, we prove the central limit theorem related to this distribution when both the mutation rate θ and the selection rate σ become large in a specified manner. As a consequence, we find that the properly scaled homozygosities have asymptotical normal behavior. In...
A new algorithm for computing the maximum entropy ranking over models is presented. The algorithm handles arbitrary sets of propositional defaults with associated strength assignments and succeeds whenever the set satisfies a robustness condition. Failure of this condition implies the problem may not be sufficiently specified for a unique solution to exist. This work extends the applicability o...
In previous work, we have introduced variable-strength conditional preferences for ranking objects in ontologies. In this paper, we continue this line of research. We propose a new ranking of objects, which integrates this userdefined preference ranking of objects with Google’s importance ranking (called PageRank) based on the link structure between the objects. We also propose to use probabili...
In this paper, to simulate mechanical stress on the cutter bar of the harvesting combine during cutting of wheat stems, first, shearing strength of the stems was measured for various moisture content levels and cutting heights. After that the cutter bar of combine was simulated by Abaqus with the specified conditions. The results of the simulation showed that with increase in moisture content o...
A computational data-driven fuzzy set-based methodology is proposed and applied to determine, with high accuracy, the manufacturing parameters of 3D-printed polylactide (PLA) components, ensuring user-specified failure tensile strength design requirements (here: notch root radius). Hence, novel decision-making tool estimate 3D-printing process offered, desired characteristics mechanical perform...
This study examined the preparation of fly ash-based foam geopolymer recipes with experimental design method and data analysis SPSS program. A total 54 prescriptions were used in studies, which investigated six different variables. Strength, density, thermal conductivity analyses performed. Values range 0.57-2.75 MPa for strength, 344-592 kg/m3 0.089-0.132 conductivity. Three variables identifi...
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