نتایج جستجو برای: failure criteria
تعداد نتایج: 615010 فیلتر نتایج به سال:
Purpose: The purpose of this study was to quantify the failure rate of AP tests (speech and non-speech) and to measure the APD diagnosis rate using four different diagnostic criteria in a large sample of participants previously assessed for APD. Methods: Data were collected retrospectively from the medical record review of 117 participants (Male = 64, Female = 53) between the ages of 7.1 and 57...
There are various parameters that affect stability and expansion of failure zones in under pressure tunnels. Among the important parameters that affect failure zones around the tunnels are cohesion and internal friction angle of the rock mass. In addition, the cross sectional shape is the considerable point in failure distribution around the tunnels. The stress analysis method is one of the app...
In this paper, we present a generic method/model for multi-objective design optimization of laminated composite components, based on Vector Evaluated Artificial Bee Colony (VEABC) algorithm. VEABC is a parallel vector evaluated type, swarm intelligence multi-objective variant of the Artificial Bee Colony algorithm (ABC). In the current work a modified version of VEABC algorithm for discrete var...
The presented work depicts results of a two-scale approach to the problem of damage and failure prediction on laminated composite structures. Modeling on the micro-level has enabled insight into the underlying physical processes which lead to homogenized properties of the macro-scale material. In this work, micromechanical analysis has been performed by application of the High Fidelity Generali...
The purpose of this study was to investigate the clinical aspects of patients satisfying the Infectious Disease Society of America/American Thoracic Society (IDSA/ATS) minor severity criteria, focusing on their treatment response to empirical antibiotics. In total, 381 community-acquired pneumonia (CAP) patients who did not require mechanical ventilation or vasopressors at admission were enroll...
BACKGROUND Finite element simulation has been used in last years for analysing the biomechanical performance of post-core restorations in endodontics, but results of these simulations have been interpreted in most of the works using von Mises stress criterion. However, the validity of this failure criterion for brittle materials, which are present in these restorations, is questionable. The obj...
BACKGROUND The performance of clinical and immunological criteria to predict virological failure in HIV-infected children receiving antiretroviral therapy (ART) is not well documented. OBJECTIVE To determine the validity of clinical and immunological monitoring in detecting virological failure in children on ART. METHODS A total of 218 children were included in the study. All were from care...
AIMS Improved prognosis of patients with chronic systolic heart failure by treatment with beta-blockers has been shown in several randomized controlled multicentre trials. However, in clinical practice only a part of heart failure patients meet the inclusion criteria of these trials. The present study evaluates whether reduction of mortality by beta-blockers also can be achieved in patients pre...
AIMS Left-ventricular non-compaction (LVNC) is characterized by excessive and prominent left-ventricular (LV) trabeculations and may be associated with systolic dysfunction in advanced disease. We sought to determine the proportion of patients fulfilling LVNC criteria in an adult population referred to a heart failure clinic using current diagnostic criteria. METHODS AND RESULTS One hundred a...
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