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Accuracy of Iterative Refinement of Eigenvalue Problems
Jolanta, Gluchowska-Jastrzebska,Alicja, Smoktunowicz 한국산업정보응용수학회 2000 한국산업정보응용수학회 Vol.4 No.1
We investigate numerical properties of Newton's algorithm for improving an eigenpair of a real matrix A using only fixed precision arithmetic. We show that under natural assumptions it produces an eigenpair of a componentwise small relative perturbation of the data matrix A.
Категория перцептивности в современных лингвистических исследованиях
Jolanta Lubocha-Kruglik 한국슬라브어학회 2012 슬라브어연구 Vol.17 No.1
The purpose of this article is to describe a semantic category of perceptiveness and its indicators. The author analyses the relationship between perception processes with such fundamental notions as: time, space and existence. Also, the notion of the perceiving experiencer has been discussed. This category can be shown in the text by means of various terminology so it can be the picture of the author, the speaker’s point of view, the observer, private sphere or subject’s sphere. The notion of the perceiving experiencer is very widely understood. This term also comprises the notion of the speaker and the observer. In some cases (e.g. in nominative sentences) these figures can overlap. The notion of observer is also analysed in terms of its relationships with categories of aspect, time and spatial deixis. Using specific lexis characteristic of particular perception modalities is typical of a perceptual situation. Structural and semantic types of sentences are one of the differentiation means of text types. The examined type of sentences is found in texts which are referred to as perceptive.
Jolanta Karakulska,Karol Fijałkowski,Paweł Nawrotek,Anna Pobucewicz,Filip Poszumski,Danuta Czernomysy-Furowicz 한국미생물학회 2012 The journal of microbiology Vol.50 No.3
The aim of this study was an analysis of the staphylococcal flora of the nasal cavity of 42 healthy horses from 4 farms, along with species identification of CoNS isolates and determination of resistance to 18 antimicrobial agents, particularly phenotypic and genotypic methicillin resistance. From the 81 swabs, 87 staphylococci were isolated. All isolates possessed the gap gene but the coa gene was not detected in any of these isolates. Using PCR-RFLP of the gap gene, 82.8% of CoNS were identified: S. equorum (14.9%), S. warneri (14.9%), S. sciuri (12.6%), S. vitulinus (12.6%), S. xylosus (11.5% ), S. felis (5.7%), S. haemolyticus (3.4%), S. simulans (3.4%), S. capitis (1.1%), S. chromogenes (1.1%), and S. cohnii subsp. urealyticus (1.1%). To our knowledge, this was the first isolation of S. felis from a horse. The species identity of the remaining Staphylococcus spp. isolates (17.2%) could not be determined from the gap gene PCR-RFLP analysis and 16S rRNA gene sequencing data. Based on 16S-23S intergenic transcribed spacer PCR, 11 different ITS-PCR profiles were identified for the 87 analyzed isolates. Results of API Staph were consistent with molecular identification of 17 (19.5%) isolates. Resistance was detected to only 1 or 2 of the 18 antimicrobial agents tested in the 17.2% CoNS isolates, including 6.9% MRCoNS. The mecA gene was detected in each of the 5 (5.7%) phenotypically cefoxitin-resistant isolates and in 12 (13.8%) isolates susceptible to cefoxitin. In total, from 12 horses (28.6%), 17 (19.5%) MRCoNS were isolated. The highest percentage of MRCoNS was noted among S. sciuri isolates (100%).
Jolanta Krajewska,Michal Jarzab,Aleksandra Kukulska,Agnieszka Czarniecka,Jozef Roskosz,Zbigniew Puch,Zbigniew Wygoda,Ewa Paliczka-Cieslik,Aleksandra Kropinska,Aleksandra Krol,Daria Handkiewicz-Junak,B 대한핵의학회 2019 핵의학 분자영상 Vol.53 No.5
Purpose Although postoperative radioiodine (RAI) therapy has been used in patients with differentiated thyroid carcinoma (DTC) for many years, there is still lack of data defining the timing of RAI administration. A retrospective analysis was carried out to answer the question whether the time of postoperative RAI treatment demonstrated any impact on long-term outcomes, particularly in low-risk DTC. Material The analyzed group involved 701 DTC patients staged pT1b-T4N0-N1M0, who underwent total thyroidectomy and postoperative RAI therapy. According to the time interval between DTC diagnosis and RAI administration, patients were allocated to one of three groups: up to 9 months (N = 150), between 9 and 24 months (N = 323), and > 24 months (N = 228). Median follow-up was 12.1 years (1.5–15.2). Results Based on an initial DTC advancement and postoperative stimulated thyroglobulin concentration patients were stratified as a low-, intermediate-, and high-risk group. Low-risk patients, who received RAI therapy up to 9 months, demonstrated significantly lower risk of relapse comparing to those, in whom RAI was administered between 9 and 24 months and after 24 months since DTC diagnosis: 0%, 5.5%, and 7.1%, respectively. Regarding intermediate- and high-risk groups, the differences in the timing of postoperative RAI treatment were not significant. Conclusion If postoperative RAI treatment is considered in low-risk DTC, any delay in RAI administration above 9 months since diagnosis may be related to poorer long-term outcomes.
Changes and Prospects of Music Teacher Education in Lithuania : Theoretical and Practical Dimensions
Jolanta Lasauskienė 인하대학교 다문화융합연구소 2016 다문화와 교육 Vol.1 No.1
Education is one of the key factors of social development, which influences the progress of social, cultural, economic and political developments. The significance of teachers’ role has lately been related to the new requirements for teacher competencies. The competencies of a music teacher are a part of European Qualifications Framework (EQF) (Common European Principles for Teacher Competences and Qualifications, 2005). The article presents the Descriptor of Music Teacher Competencies, which describes the Bachelor's of Music qualification degree in the field of art pedagogy, i.e. it outlines the competencies, which should be developed to become successfully employed in the selected area of music pedagogy within formal and informal education. The paper highlights, on the basis of longitudinal inquiry, the tendencies among students as future music educators towards the formation of professional identity during teaching practices.
Dried strawberries as a high nutritional value fruit snack
Jolanta Kowalska,Hanna Kowalska,Agata Marzec,Tomasz Brzezin´ ski,Kinga Samborska,Andrzej Lenart 한국식품과학회 2018 Food Science and Biotechnology Vol.27 No.3
The purpose of this study was to determine the possibility of using a chokeberry juice concentrate as a component of osmotic solution and convection-microwavevacuum drying applying to obtain dried pro-health-promoting strawberries. The research material was Honeoye strawberries, which were dehydrated in sucrose and sucrose with chokeberry juice concentrate addition, and then subjected to microwave-convection-vacuum or freezedrying. Analyses were conducted to determine the influence of the applied processes on vitamin C content, total polyphenols, antioxidant activity, and sensory properties in dried fruit. Study results confirmed the possibility of using a chokeberry juice concentrate as a component of the osmotic solution, especially with regard to polyphenolics content and antioxidant activity. In addition, convectionmicrowave- vacuum drying was shown to be a promising technology for the production of dried strawberries, with high pro-health potential and acceptable sensory qualities.
Jolanta Paczes?na,Pawel Poprawa 한국지질과학협의회 2005 Geosciences Journal Vol.9 No.2
A sequence stratigraphy is applied for the Neoproterozoic to Cambrian sedimentary fill of the Lublin-Podlasie Basin (LPB). The main goal of the study is to discriminate between eustatic and tectonic control on the development of sedimentary sequences. The Neoproterozoic and Cambrian sedimentary succession is subdivided into two second-order depositional sequences, separated by a major regional unconformity. The lower sequence A is poorly recognised. It is presumably of the early Neoproterozoic age and is characterized by continental to coastal shallow marine deposition. Sequence B comprises a time span of the (?late Neoproterozoic) to Middle Cambrian. The lowermost part of the sequence B is composed of a lowstand system tract (LST). A low relative sea-level (RSL), associated to the LST development, was controlled by regional thermal doming, followed by a rapid clastic and volcanogenic deposition, exceeding rate of subsidence of extensional grabens. The terminal Ediacaran was a time of a transgressive system tract I (TST I) development. Increase of the RSL was induced by a transition from syn-rift to post-rift subsidence. During the development of a following highstand system tract I (HST I) the RSL remained high. Significant local supply of sediments, exceeding in rate the basement subsidence, caused progradation of shoreline. The higher up-section TST II is characterized by gradual increase of the RSL and represents continuing thermal sag phase of the LPB. It was coeval with a global transgression and controlled mainly by eustatic sea level rise. The beginning of the Middle Cambrian corresponds to development of a HST II, controlled by decelerating rate of RSL rise, even though it coincides with the Hawke Bay regression. The HST II is therefore interpreted as controlled by local tectonic processes, superimposed on continued post-rift thermal subsidence of the passive margin.
VALIDATING DART MODEL WITH DATA FROM THE SURVEY OF POLISH MANUFACTURING AND SERVICE COMPANIES
Jolanta Mazur,Piotr Zaborek 글로벌지식마케팅경영학회 2014 Global Marketing Conference Vol.2014 No.7
The article aims to quantitatively test the DART model, so far studied mostly with qualitative methods. A multiple measurement scale was employed in interviewing managers. The statistical evidence for adequacy of the model was obtained through CFA. The findings suggest that DART may not accurately reflect firms’ co-creation practices.