نتایج جستجو برای: تضمین کیفیت qa
تعداد نتایج: 69706 فیلتر نتایج به سال:
تشخیص بیماری های عفونی بوسیله ردیابی مستقیم و غیر مستقیم عامل عفونی انجام می گیرد. بوسیله روش های مستقیم اجزا و ترکیبات عوامل عفونی همچون، اسیدهای نوکلئیک، پروتئین های ساختمانی و غیر ساختمانی، آنزیم ها ردیابی می شوند. روشهای جداسازی مستقیم شامل کشت، میکروسکوپ الکترونی، ایمنوفلورسانس، ایمنوهیستوشیمی، الیزا، هیبریداسیون اسیدهای نوکلئیک، روشهای متنوعی از واکنش زنجیره ای پلی مراز (Polymerase ...
LogAnswer is a question answering (QA) system for the German language. By providing concise answers to questions of the user, LogAnswer provides more natural access to document collections than conventional search engines do. QA forums provide online venues where human users can ask each other questions and give answers. We describe an ongoing adaptation of LogAnswer to QA forums, aiming at cre...
Introduction. The Centers for Disease Control and Prevention (CDC)'s National Tuberculosis Surveillance System (NTSS) is the national repository of tuberculosis (TB) data in the United States. Jurisdictions report to NTSS through the Report of Verified Case of Tuberculosis (RVCT) form that transitioned to a web-based system in 2009. Materials and Methods. To improve RVCT data quality, CDC condu...
objectives: the aim of this study was to verify the treatment planning systems (tpss). the next aim was to validate imsure qa software for patient-specific qa in radiotherapy clinics. material and methods: we used imsure qa software (standard imaging, v 3.5) for verification of 92 non-imrt plans (540 fields) in 10 radiotherapy clinics. to validate the imsure, dose measurement was performed in ...
Abstract Quantum annealing (QA) is a promising method for solving combinational optimization problems and performing quantum chemical calculations. The main sources of errors in QA are the effects decoherence non-adiabatic transition. We propose suppressing both these using inhomogeneous twist operators corresponding to angles transverse fields applied qubits. Furthermore, we adopt variational ...
A Review of EOSDIS QA Metadata: Support for EOS Quality Assessment (QA) and QA Metadata Update Tools
Quality Assessment (QA) is defined within NASA Earth Observing System (EOS) as the process that identifies and flags data products that obviously and significantly do not conform to the expected accuracies for the particular product type. Operationally, QA involves quality control measures that can be applied to the data products, before release to the general science community. This is a chall...
Diffusion MRI tractography has emerged as a useful and popular tool for mapping connections between brain regions. In this study, we examined the performance of quantitative anisotropy (QA) in facilitating deterministic fiber tracking. Two phantom studies were conducted. The first phantom study examined the susceptibility of fractional anisotropy (FA), generalized factional anisotropy (GFA), an...
This paper details a research project undertaken to assess the extent of adoption of quality assurance (QA) certification by Australian software developers. A brief history of government QA policy, the catalyst in the sudden interest in certification, is included. Primary data for the study were gathered from a survey of 1,000 Australian software developers, and were used to determine the exten...
This paper describes the experiments of the TALPUPC group for factoid and ’other’ (definitional) questions at TREC 2005 Main Question Answering (QA) task. Our current approach for factoid questions is based on a voting scheme among three QA systems: TALP-QA (our previous QA system), Sibyl (a new QA system developed at DAMA-UPC and TALP-UPC), and Aranea (a web-based data-driven approach). For de...
Quinic acid (QA) is an active ingredient of Cat's Claw (Uncaria tomentosa), which is found to be active in enhancing DNA repair and immunity in model systems and able to generate neuroprotective effects in neurons. However, QA's role in improving survival is not well studied. Here we report that QA can provide protection in Caenorhabidits elegans and improve worm survival under stress. Under he...
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