نتایج جستجو برای: q20
تعداد نتایج: 131 فیلتر نتایج به سال:
We describe the development of the LHAPDF library from its initial implementation following the Les Houches meeting in 2001 to its present state as a functional replacement for PDFLIB. Brief details are given of how to install and use the library together with the PDF sets available. We also describe LHAGLUE, an add-on PDFLIB look-a-like interface to LHAPDF, which facilitates using LHAPDF with ...
The system of light quark and heavy anti-quark source is studied in 1+1 QCD in the large NC limit. Making use of the modified Fock–Schwinger gauge allows to consider simultaneously the spectroscopical problem of the qQ̄ bound states and the problem of the light quark Green function. The Dirac-type equation for the spectrum of the system is proved to be equivalent to the well-known ’t Hooft one i...
Colonoscopy performed by an experienced endoscopist is a remarkably safe procedure. The incidence of perforation of the colon as a result of colonoscopy has been estimated to be between 0.1-0.8% for diagnostic examinations and 0.5-3% for therapeutic procedures [1]. We report a patient, treated with peritoneal dialysis because of end-stage renal failure, who developed peritonitis following intes...
Next generation sequencing technology rapidly produces massive volume of data and quality control of this sequencing data is essential to any genomic analysis. Here we present MEEPTOOLS, which is a collection of open-source tools based on maximum expected error as a percentage of read length (MEEP score) to filter, trim, truncate and assess next generation DNA sequencing data in FASTQ file form...
We present a NLO perturbative analysis of all available data on the polarized structure function g1(x,Q ) with the aim of making a quantitative test of the validity of the Bjorken sum rule, of measuring αs, and of deriving helicity fractions. We take particular care over the small x extrapolation, since it is now known that Regge behaviour is unreliable at perturbative scales. For fixed αs we f...
This paper visits the quadratic optimal control problem of decentralised control systems via static output feedback. A gradicrrt flow approach is introduced as a tool to compute the optimal output feedback gain. Several nice properties are revealed concerning the convergence of the gain matrix along the trajectory of an ordinary differential equation obtained from the gradient of objective cost...
Evolutionary studies of oceanic island endemics are usually focused on lineages that have experienced in situ radiation, while those speciated once the or archipelago but not further diversified (single-species endemics) remain understudied. The Macaronesian archipelagos, Atlantic Ocean, home to significant numbers single-species endemics. genus Hedera L. (12 species) includes three from archip...
Legionella pneumophila has been increasingly recognized as a cause of community-acquired pneumonia (CAP) and an important public health problem worldwide. We conducted the present study to assess trends in epidemiology, diagnosis, clinical features, treatment, and outcomes of sporadic community-acquired L. pneumophila pneumonia requiring hospitalization at a university hospital over a 15-year p...
s of Student Presentations Student Presentations I, Monday, 07/12, 15-16 h, IKP Lecture Hall Vaclav Nemcik MU Brno, Czech Republic Anaphora Resolution for Czech One of the challenges in natural language understanding is to determine what entities are referred to in the discourse and how they relate to each other. This is a very complex task. But, as the first step, it is useful to determine co-...
A key to effective teaching is an awareness and accurate understanding of the thinking and implicit assumptions that students bring to the subject to be learned. In the absence of extensive Socratic interactions with students, one strategy to assess student thinking involves the use of concept inventories (CIs). CIs are typically multiple-choice assessments, constructed based on research into s...
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