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Wyświetlanie 1-5 z 5
Tytuł:
Lacustrine deltas and subaqueous fans: almost the same, but different – a review
Autorzy:
Gruszka, Beata
Zieliński, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/1841622.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
fan delta
Gilbert-type delta
ice-contact subaqueous fan
depositional mechanisms
sedimentology
delta
mechanizmy depozycji
sedymentologia
Opis:
Although deltas and subaqueous fans are both formed in the same near-shore zones of basins, the hydraulic conditions for their formation, development and sedimentary records are different. The present review discusses the results of previously published studies of fan deltas (Gilbert-type deltas) and subaqueous fans of lacustrine and glaciolacustrine environments. The depositional mechanisms of deltas and subaqueous fans, textural and structural features of the lithofacies associations and their typical lithofacies are presented. The characteristics of subaqueous fans, which are still relatively poorly understood and are often overlooked in sedimentological interpretations of lacustrine sedimentary successions, receive particular attention. The palaeoenvironmental and lithological differences between deltas and subaqueous fans are highlighted.
Źródło:
Geologos; 2021, 27, 1; 43-55
1426-8981
2080-6574
Pojawia się w:
Geologos
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sedimentary record of a Pleistocene ice-sheet interlobate zone (NE Poland)
Autorzy:
Gruszka, Beata
Morawski, Wojciech
Zieliński, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/94281.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
interlobate sedimentation
outwash deposits
esker
Weichselian
NE Poland
sedymentacja
osady sandrowe
oz
Polska Północna
Opis:
Well developed NE-SW trending corridors of outwash in NE Poland are associated with a series of lakes with a similar direction of elongation. The glaciofluvial corridor under study consists of parallel ridges with associated channels and kames. The deposits are flanked by till and hummocky terrain. The gravel ridges are composed of sand and gravel deposits that are cross-stratified, massive or graded, and that contain cut-and-fill structures and large intra-clasts of sand and gravel. Locally the deposits show normal faults. The succession of one of the ridges is interpreted to reflect the infilling of a braided channel in a crevasse. Sedimentation took place in some phases when the ice-sheet regime changed from active to stagnant. Sandy-gravel ridges occur within this complex perpendicular to the Weichselian icesheet margin. The corridor is interpreted as an interlobate area in the zone between the Warmia and Mazury ice lobes. The braided-channel deposits are not comparable to typical Polish sandurs. The lithofacies characteristics show higher energy conditions, and the channels are deeper than those typical of Pleistocene lowland sandurs. The sand and gravel ridges are interpreted as interlobate eskers.
Źródło:
Geologos; 2012, 18, 2; 65-81
1426-8981
2080-6574
Pojawia się w:
Geologos
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Knowledge of Nursing Personnel of the Świętokrzyskie Voivodeship Hospitals on Nosocomial Infections
Autorzy:
Wrześniewska, Marzena
Gruszka, Jakub
Komar-Gruszka, Karolina
Bąk, Beata
Adamczyk-Gruszka, Olga
Powiązania:
https://bibliotekanauki.pl/articles/1580674.pdf
Data publikacji:
2020-01-04
Wydawca:
Uniwersytet Mikołaja Kopernika w Toruniu. Wydział Nauk o Ziemi i Gospodarki Przestrzennej. Katedra Kultury Fizycznej
Tematy:
Knowledge
Nursing Personnel
Opis:
Introduction: Nosocomial (also known as hospital-acquired) infections are understood as infections which develop during patient’s stay in hospital, but are not the direct cause of hospitalisation. The aim of the study: The purpose of the paper was to determine the knowledge of the nursing personnel from Świętokrzyskie Voivodeship onnosocomial infections, prevention and methods of combating them. Other addressed issues included the analysis of the work yeas and education level as related to the state of nurses' knowledge on nosocomial infections, and what are the reasons for insufficient prevention of diseases. Material and methods: The study included 208 nurses from Świętokrzyskie Voivodeship. Out of 208 questionnaires, 180 were completed correctly, the remaining 28 were answered incorrectly or incompletely, which resulted in their rejection. The statistical analysis was conducted using the Pearson Chi-squared method, with the significance level p>0.01 assumed to be insignificant. The study involved 124 women and 56 men. The youngest respondent was 23 years old and the oldest was 59 years old. There were 36 respondents below 30 years of age(20%), 88 in the 31-40 age group (48.9%), 56 in the 41-60 age group (31.1%). Results 1. The knowledge of the intermediate personnel about hospital-acquired infections is satisfactory. 2. Job seniority is not statistically significant with regard to the knowledge level on nosocomial infections. 3. The research revealeda statistically significant correlation between the knowledge level of the secondary staff and their education. 4. The study results show that the most common causes of insufficient knowledge on preventing hospital-acquired infections are staff shortages and inadequatefinancial resources.
Źródło:
Journal of Education, Health and Sport; 2020, 9, 12; 116-122
2391-8306
Pojawia się w:
Journal of Education, Health and Sport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nanocząstki tlenku tytanu(IV) : zastosowanie w produktach użytkowych, badania właściwości i oznaczanie techniką spektrometrii mas z plazmą indukcyjnie sprzężoną pracującą w trybie pojedynczej cząstki
Titanium dioxide nanoparticles : application in consumer products, study of properties and determination by single particle inductively coupled plasma – mass spectrometry
Autorzy:
Gruszka, Jakub
Malejko, Julita
Godlewska-Żyłkiewicz, Beata
Powiązania:
https://bibliotekanauki.pl/articles/172064.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Chemiczne
Tematy:
nanocząstki tlenku tytanu(IV)
rozdzielanie
techniki łączone
titanium dioxide nanoparticles
separation
hyphenated techniques
Opis:
The rapid growth in the production and use of nanomaterials is observed in recent years. Nanoparticles of titanium dioxide (TiO2NPs) are one of the most frequently used nanomaterials. Sunscreens, food additives, food contact materials and textiles are the major fields of current application of TiO2NPs. Due to increasing use of nanomaterials in daily life and thus increasing exposure to them, concerns have been raised about their safety. Likely routes of human exposure to released TiO2NPs as well as their health and environmental effects are presented in this paper. At present, our knowledge about the risk of nanomaterials is incomplete. However, it is known that toxicity of nanoparticles depends on their size, shape, crystal structure, surface morphology, surface area, charge, concentration and solubility (the possibility of dissolution into ionic forms). Therefore, it is necessary to use several complementary analytical techniques to fully characterize the NPs. Common approaches used for the characterization of nanomaterials include microscopy based techniques e.g. transmission electron microscopy (TEM), X-ray techniques e.g. X-ray diffraction (XRD), methods based on optical properties e.g. dynamic light scattering (DLS). Separation of nanoparticulate and ionic forms of metal can be accomplished using chromatographic techniques (such as high performance liquid chromatography (HPLC), size exclusion chromatography (SEC), hydrodynamic chromatography (HDC)) or capillary electrophoresis (CE). Size-resolved NPs and dissolved (ionic) fractions can be further characterized by on-line detectors, such as ICP MS. Recently, single particle inductively coupled plasma mass spectrometry (sp ICP MS) has been gaining increasing attention as a technique for detection, characterization, and quantification of nanoparticles. This technique provides information on individual particles, including particle size, number size distribution, particle number concentration and mass concentration. In addition, sp ICP MS can distinguish dissolved and nanoparticulate forms of an element. The fundamentals, advantages and limitations of this technique, as well as its application for the characterization and quantification of TiO2NPs in different matrices (consumer products, food and environmental samples) are reviewed in this paper.
Źródło:
Wiadomości Chemiczne; 2019, 73, 5-6; 367-400
0043-5104
2300-0295
Pojawia się w:
Wiadomości Chemiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
NAS-50 and NAS-40: New scales for the assessment of self-control
Autorzy:
Nęcka, Edward
Wujcik, Radosław
Orzechowski, Jarosław
Gruszka, Aleksandra
Janik, Beata
Nowak, Michał
Wójcik, Natalia
Powiązania:
https://bibliotekanauki.pl/articles/430784.pdf
Data publikacji:
2016-09-01
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
self-control
questionnaire
scale
self-report
other-report
psychological assessment
Opis:
In this paper, we present a new questionnaire for the assessment of self-control as an individual trait. We describe the process of construction of this assessment tool. We also report the results of relevant validation studies. The questionnaire has two independent versions, one based on self-reports (NAS-50) and another one based on other-reports (NAS-40). The first version consists of five subscales (10 items each), called Initiative and Persistence (IP), Proactive Control (PC), Switching and Flexibility (SF), Inhibition and Adjournment (IA), and Goal Maintenance (GM). Seven samples of participants (N = 934 altogether) took part in the validation study. The second version has not been split into subscales. Both versions obtained satisfactory indices of internal consistency, assessed with Cronbach’s alpha (for NAS- 50 total score a = .861, for the subscales a between .726 and .867; for NAS-40 a = .844). The NAS-50 and NAS-40 scores were highly correlated with other measures of self-control, including Tangney, Baumeister, and Boone’s (2004) self-control scale. They also proved to be entirely independent of general intelligence. In conclusion, both versions can be regarded reliable and valid enough, and therefore suitable for the assessment of trait self-control for research purposes.
Źródło:
Polish Psychological Bulletin; 2016, 47, 3; 346-355
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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