Raising student bilingualism through foreign language (English) teacher professional involvement

The bilingual process is widely observed among many people and many cultures. Out of the many different forms of bilingualism, the form of bilingualism that most often appears is the subsequent one, being the result of learning a second language in school settings. When developing this type of bilingualism, both the language competences of language teachers and the quality of their teaching talent are very important. In order to assess this type of interdependence, a study that focuses on the teachers’ skills and competences, on the one hand, and the impact L2 teachers have on students, on the other hand, was designed. The study involved 50 teachers and 100 students taught by them, all of them attending vocational secondary schools in southern Poland. All participants of the study (i.e. both the teachers and the students) were to answer six verification questions included in the Matura exam 2018. The results obtained during the research indicate the existence of an interdependence between the actual level of proficiency of foreign language (FL) teachers and the final evel of L2 proficiency presented by their students. Generally, the students led by language teachers with a higher overall level of communicative competence showed an overall better command of English in the survey. The bilingual process is widely observed among many people and many cultures. Out of the many different forms of bilingualism, the form of bilingualism that most often appears is the subsequent one, being the result of learning a second language in school settings. When developing this type of bilingualism, both the language competences of language teachers and the quality of their teaching talent are very important. In order to assess this type of interdependence, a study that focuses on the teachers’ skills and competences, on the one hand, and the impact L2 teachers have on students, on the other hand, was designed. The study involved 50 teachers and 100 students taught by them, all of them attending vocational secondary schools in southern Poland. All participants of the study (i.e. both the teachers and the students) were to answer six verification questions included in the Matura exam 2018. The results obtained during the research indicate the existence of an interdependence between the actual level of proficiency of foreign language (FL) teachers and the final evel of L2 proficiency presented by their students. Generally, the students led by language teachers with a higher overall level of communicative competence showed an overall better command of English in the survey.&nbsp

A DISTRIBUTED ALGORITHM FOR PROTEIN IDENTIFICATION FROM TANDEM MASS SPECTROMETRY DATA

Tandem mass spectrometry is an analytical technique widely used in proteomics for the high-throughput characterization of proteins in biological samples. Modern in-depth proteomic studies require the collection of even millions of mass spectra representing short protein fragments (peptides). In order to identify the peptides, the measured spectra are most often scored against a database of amino acid sequences of known proteins. Due to the volume of input data and the sizes of proteomic databases, this is a resource-intensive task, which requires an efficient and scalable computational strategy. Here, we present SparkMS, an algorithm for peptide and protein identification from mass spectrometry data explicitly designed to work in a distributed computational environment. To achieve the required performance and scalability, we use Apache Spark, a modern framework that is becoming increasingly popular not only in the field of “big data” analysis but also in bioinformatics. This paper describes the algorithm in detail and demonstrates its performance on a large proteomic dataset. Experimental results indicate that SparkMS scales with the number of worker nodes and the increasing complexity of the search task. Furthermore, it exhibits a protein identification efficiency comparable to X!Tandem, a widely-used proteomic search engine

POMIAR CZASU MARTWEGO METODĄ DWÓCH ŹRÓDEŁ – OPTYMIZACJA PODZIAŁU CZASU POMIARU

The article presents the analysis of the dead time measurement using two sources for a non-paralyzable detector. It determined the optimum division of count rate measurement time between both source measurement and a single source one. Results of the work can be used to optimize dead time measurement for systems which count photons or particles.W artykule zaprezentowano analizę pomiaru czasu martwego detektora nieparaliżowalnego metodą dwóch źródeł. Wyznaczono optymalny podział czasu pomiaru częstości zliczeń dla pomiaru jednym i dwoma źródłami. Wyniki pracy mogą być wykorzystane do optymalizacji systemów zliczających fotony lub cząstki

Hydrodynamic excitations of trapped dipolar fermions

A single-component Fermi gas of polarized dipolar particles in a harmonic trap can undergo a mechanical collapse due to the attractive part of the dipole-dipole interaction. This phenomenon can be conveniently manipulated by the shape of the external trapping potential. We investigate the signatures of the instability by studying the spectrum of low-lying collective excitations of the system in the hydrodynamic regime. To this end, we employ a time-dependent variational method as well as exact numerical solutions of the hydrodynamic equations of the system.Comment: 4 pages, 2 eps figures, final versio

TEORIA WZMOCNIENIA JEDNOFOLIOWEGO DETEKTORA Z GAZOWYM POWIELANIEM ELEKTRONÓW

Gain prediction theory of single foil Gas Electron Multiplier detector was developed. Gas electron multiplier (GEM) detector with single foil was developed. Soft X-ray spectra with an energy of 5.9 keV emitted by the isotope Fe-55 were measured. On this basis, the dependence of gain and energy resolution from the detector voltage was determined. The simple theory of gain dependence on various detector parameters was developed. Preliminary results of the study confirmed the potential usefulness of the GEM detector as a substitute for the multiwire proportional chamber.Opracowano teorię wzmocnienia jednofoliowego detektora z gazowym powielaniem elektronów. Opracowano detektor z gazowym powielaniem elektronów z pojedynczą folią. Zmierzono widmo miękkiego promieniowania X, o energii 5,9 keV, emitowanego przez izotop Fe-55. Na tej podstawie wyznaczono zależność wzmocnienia i energetycznej zdolności rozdzielczej od napięcia zasilającego detektor. Opracowano prosta teorią zależności wzmocnienia od różnych parametrów detektora. Wstępne rezultaty badań potwierdzają potencjalną przydatność detektora GEM jako substytutu wielodrutowej komory proporcjonalnej

W poszukiwaniu jakości życia współczesnej rodziny polskiej

Praca recenzowana / peer-reveiwed pape

Collins and Sivers asymmetries in muonproduction of pions and kaons off transversely polarised protons

Measurements of the Collins and Sivers asymmetries for charged pions and charged and neutral kaons produced in semi-inclusive deep-inelastic scattering of high energy muons off transversely polarised protons are presented. The results were obtained using all the available COMPASS proton data, which were taken in the years 2007 and 2010. The Collins asymmetries exhibit in the valence region a non-zero signal for pions and there are hints of non-zero signal also for kaons. The Sivers asymmetries are found to be positive for positive pions and kaons and compatible with zero otherwise. © 2015