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    Wyświetlanie 1-8 z 8
    Tytuł:
    Cooling techniques for PV panels: A review
    Autorzy:
    Kozak-Jagieła, Ewa
    Cisek, Piotr
    Ocłoń, Paweł
    Powiązania:
    https://bibliotekanauki.pl/articles/35126202.pdf
    Data publikacji:
    2023
    Wydawca:
    Radomskie Towarzystwo Naukowe
    Tematy:
    PV cooling methods
    solar energy
    photovoltaics cooling efficiency enhancement
    performance
    PV/T
    metody chłodzenia paneli fotowoltaicznych
    energia słoneczna
    zwiększenie wydajności chłodzenia
    wydajność
    Opis:
    Solar energy is considered one of the most dominant renewable energy sources. It can be used to produce electricity through PV panels. Unfortunatly, this technology is subject to limitations. High operating temperature exceeding 25°C, causes the PV panels to overheat, reducing their lifetime and efficiency. Various approaches to PV cooling are used to overcome these challenges.This paper presents a comprehensive overview of different cooling techniques to increase the performance of PV panels. Passive and active PV cooling systems are analysed using air, water, phase change materials (PCMs) and nanofluids as working agents. A review analysis showed that water cooling is better than air cooling. PCMs, which have recently been gaining in popularity, also deserve attention.
    Źródło:
    Scientiae Radices; 2023, 2, 1; 47-68
    2956-4808
    Pojawia się w:
    Scientiae Radices
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Obciążenie pracą podczas ostatniego dyżuru w opiniach pielęgniarek pracujących w szpitalach objętych projektem RN4CAST
    Autorzy:
    Cisek, Maria
    Przewoźniak, Lucyna
    Kózka, Maria
    Brzostek, Tomasz
    Brzyski, Piotr
    Ogarek, Maria
    Gabryś, Teresa
    Gajda, Krzysztof
    Ksykiewicz-Dorota, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/635260.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
    Tematy:
    obciążenie pracą, pielęgniarki, szpital, praca zmianowa
    Opis:
    Workload during the last shift in the opinion of hospital nurses involved in RN4CAST projectBackground The issue of workload is one of the most important ones as far as the nurses’ profession is concerned. Numerous analyses prove the relationship between excessive workload and job dissatisfaction, which may lead to low morale, absenteeism, high rotation and low work efficiency and, consequently, result in deterioration of the care provided to the patient and even put the patient’s safety at risk. RN4CAST project is aimed at the evaluation of the workload which the nurses are exposed to during their shifts. Such a survey focuses on all structural determinants of hospital workload depending on: type of the ward, professional role, number of patients and their health condition as well as work conditions and organization: the number of working hours and shift staffing.Aim of the survey The survey is aimed at determining the factors responsible for the workload which the nurses are exposed to during their shifts in hospitals involved in RN4CAST project.Material and Methods The study included 2605 nurses working in 30 acute hospitals in Poland. The respondents were mainly women. Men made up only 0.4% of the population examined. The average age was 40.3 (SD = 7.8 years old). 23.5% of the respondents had the Bachelor’s degree in nursing. The average seniority was 18.6 years (SD = 8,6), and the seniority in the hospital involved in the survey – 15.6 years (SD = 9,2). The material was collected by means of a survey and a structurised questionnaire completed by the nurses on their own. A correlational model was used to evaluate the workload determinants.Results During their last shift 84% of the nurses worked, on average, 11.3 hours (SD = 2.4). The number of patients on the ward was 31.1, on average (SD = 12.6) it varied significantly (p = 0.000) depending on the ward type. The nursing care was provided by 3.4 qualified nurses on average (SD = 2.2). One nurse was responsible for 20.4 patients on average (SD = 11.1), [median = 18, first quartile (Q1) = 12, third quartile (Q3) = 29)]. It was proved that the increase in the total number of the patients on the ward was accompanied by the increase in the number of patients who required assistance with everyday routines (tau-b = 0.17; p = 0.000) and in the number of patients who required monitoring or hourly (or even more frequent) treatment (tau-b=0.37; p=0.000). Close examination of the variables responsible for individual workload showed that there is a little but noticeable correlation between the increase of the total number of patients on the ward (tau-b = 0.28; p = 0.000) and the increase in the number of patients each nurses was directly responsible for on her shift. There was a positive correlation (tau-b = 0.40; p = 0.000) between the total number of patients and the total number of qualified nurses providing direct care to these patients during their shifts. Also a slight negative correlation was observed (tau-b = –0.061; p = 0.000) between the total number of nurses and the number of patients each nurse was directly responsible for. There was also a slight positive correlation (tau-b = 0.18; p = 0.000) between the number of nurses and the number of helping staff who provided direct care to the patients during their shifts. And also a slight correlation was observed (tau-b = 0.061; p = 0.000) between the number of patients and the number of helping staff during the shifts. The analysis of the findings from both wards leads to the conclusion that the seven most frequent and common routines, which did not require nursing qualifications constituted a significant workload for nurses on all shifts (p = 0,000) and that the nurses who solely provided care to the patients were significantly more often responsible for routines which did not require any professional skills. The nurses examined, evaluated their hospital working conditions as poor – 28.9%; satisfactory – 46.8%; good – 23.2%; excellent – 1.1%. Majority of nurses (59.3%) claim that the number of hospital staff is definitely too low to work efficiently; 64.5% pointed out the lack of qualified nurses and 31.7% the lack of technical and helping staff. Vast majority of nurses (64%) claim that they can rely on the hospital management support only in some situations. Most nurses (77%) complained that their relations with the doctors were not always good, whereas 13.6% complained about lack of good professional relations between nurses and doctors.Conclusions 1. The analysis of the findings shows that structural factors (such as type of the ward, professional role, number and condition of patients) as well as organisational factors (such as number of shift hours, shift staffing and work environment) determined the nurses’ workload. 2. The shift survey as a device for evaluating nurses’ workload should be recommended to ward nurses and hospital management because of the simplicity with which particular elements can be observed. The observation can be carried out during a relatively short period of time (8–12-hour shift), which allows for a better and faster explanation of the reasons of excessive workload and consequently may lead to implementing solutions, which would eliminate this negative phenomenon
    Źródło:
    Zdrowie Publiczne i Zarządzanie; 2013, 11, 2
    2084-2627
    Pojawia się w:
    Zdrowie Publiczne i Zarządzanie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Factors affecting Polish nurses’ willingness to recommend the hospital as a place of care
    Czynniki wpływające na gotowość polskich pielęgniarek do rekomendowania szpitala jako miejsca opieki
    Autorzy:
    Kózka, Maria
    Brzostek, Tomasz
    Cisek, Maria
    Brzyski, Piotr
    Przewoźniak, Lucyna
    Gabryś, Teresa
    Ogarek, Maria
    Gajda, Krzysztof
    Ksykiewicz-Dorota, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/2164271.pdf
    Data publikacji:
    2016-08-10
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    bezpieczeństwo
    pielęgniarki
    praca
    środowisko
    szpital
    depersonalizacja
    safety
    nurses
    work
    environment
    hospital
    depersonalisation
    Opis:
    Background Nurses constitute the major professional group offering constant hospital patients’ care. Willingness to recommend their hospital reflects confidence in the offered care, satisfaction and identification with the work place. The aim of the present study has been to investigate which elements of hospital environment and nurse personal related factors predict recommendation of the hospital as a place of care by employed nurses. Material and Methods Cross-sectional, correlation study was, based on 1723 self-reported, anonymous questionnaires of nurses working in 30 acute hospitals. Data was analyzed using the logistic regression model, with general estimation equations. Results About 25% of nurses were unwilling to recommend their hospital as the place of care. The odds ratio (OR) of the lack of willingness to recommend the hospital was related to assessment of patients’ safety (OR = 0.28, 95% confidence interval (CI): 0.18–0.46, p = 0.00), decrease in the quality of patient care during the preceding year (OR = 0.62, 95% CI: 0.41–0.93, p = 0.02), overall work conditions (OR = 0.35, 95% CI: 0.22–0.57, p = 0.00), weak cooperation between nurses and physicians (OR = 0.37, 95% CI: 0.25–0.54, p = 0.00), poor work schedule flexibility (OR = 0.74, 95% CI: 0.55– 0.99, p = 0.04) and educational opportunities (OR = 0.71, 95% CI: 0.54–0.95, p = 0.02) and the level of nurses depersonalization (OR = 1.78, 95% CI: 1.18–1.68, p = 0.00). Conclusions The hospital manager should consider strategies which improve patients’ safety and the staff working conditions. Thanks to that they will also achieve better and more competitive image of the hospital in the local community. Med Pr 2016;67(4):447–454
    Wstęp Pielęgniarki są znaczącą grupą zawodową personelu szpitalnego, która obejmuje pacjentów stałą opieką. Gotowość pielęgniarek do polecenia szpitala, w którym pracują, jako miejsca opieki odzwierciedla ich zaufanie do oferowanej w nim opieki, satysfakcję z pracy i identyfikację z miejscem pracy. Celem badania było określenie, które czynniki środowiska pracy i związane z nimi czynniki zawodowe i/lub osobiste sprawiają, że pielęgniarki rekomendują szpital jako miejsce opieki. Materiał i metody Przekrojowe badania korelacyjne bazowały na anonimowych ankietach uzyskanych od 1723 pielęgniarek pracujących w 30 polskich szpitalach. Dane analizowano przy użyciu modelu regresji logistycznej szacowanego za pomocą uogólnionych równań estymujących. Wyniki Około 25% pielęgniarek nie poleciłoby swojego szpitala jako miejsca opieki. Wynikało to z negatywnej oceny bezpieczeństwa pacjenta (iloraz szans (odds ratio – OR) = 0,28; 95-procentowy przedział ufności (confidence interval – CI): 0,18–0,46; p = 0,00), pogorszenia jakości opieki w roku poprzedzającym badanie (OR = 0,62; 95% CI: 0,41–0,93; p = 0,02), niezadowalających warunków pracy (OR = 0,35; 95% CI: 0,22–0,57; p = 0,00), niezadowalającej współpracy lekarzy z pielęgniarkami (OR = 0,37; 95% CI: 0,25–0,54; p = 0,00), mało elastycznego czasu pracy (OR = 0,74; 95% CI: 0,55–0,99; p = 0,04), ograniczonych możliwości dokształcania się (OR = 0,71; 95% CI: 0,54–0,95; p = 0,02) i wysokiego poziomu depersonalizacji badanych (OR = 1,78; 95% CI: 1,18–1,68; p = 0,00). Wnioski Zarządzający szpitalami powinni wdrożyć strategie, które poprawią bezpieczeństwo pacjentów i warunki pracy personelu. Pozwoli to również stworzyć lepszy i bardziej konkurencyjny wizerunek szpitala w społeczności lokalnej. Med. Pr. 2016;67(4):447–454
    Źródło:
    Medycyna Pracy; 2016, 67, 4; 447-454
    0465-5893
    2353-1339
    Pojawia się w:
    Medycyna Pracy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wybrane czynniki determinujące ocenę jakości opieki pielęgniarskiej w szpitalach pełniących stały dyżur. Wyniki projektu RN4CAST
    Selected factors determining assessment of nursing care quality in acute hospitals. Results of RN4CAST project
    Autorzy:
    Kózka, Maria
    Gabryś, Teresa
    Brzyski, Piotr
    Ogarek, Maria
    Cisek, Maria
    Przewoźniak, Lucyna
    Ksykiewicz-Dorota,, Anna
    Gajda, Krzysztof
    Brzostek, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/635175.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
    Tematy:
    jakość opieki
    obciążenie pracą
    pielęgniarki
    środowisko pracy
    zarządzanie
    zdarzenia niepożądane
    adverse events
    management
    nurses
    quality of care
    working environment
    workload
    Opis:
    Introduction. The essence of nursing care is to improve treatment results, patient satisfaction, and decrease treatment costs. Aim. Presenting the factors determining the assessment of nursing care quality in acute hospitals. Material and method. The study included 2605 nurses working in 30 hospitals in Poland. The Work Environment Scale and an opinion questionnaire were used to collect the data. The analysis based on logistic regression model, generalised estimating equations, χ² test, and Mann-Whitney test. Results. Three in every four respondents evaluated the quality of nursing care as good. The assessment depended on the conditions of work, autonomy in providing care, patient information flow, patient safety, occurrence of adverse events, discussion of mistakes, nurse workload, potential for education, and flexible working time. Conclusion. The factors significantly influencing the assessment of nursing care quality are the working environment, care monitoring and management.
    Źródło:
    Zdrowie Publiczne i Zarządzanie; 2012, 10, 4; 278-288
    2084-2627
    Pojawia się w:
    Zdrowie Publiczne i Zarządzanie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Czynniki wpływające na rekomendację szpitala jako miejsca pracy w opinii pielęgniarek zatrudnionych w polskich szpitalach
    Factors influencing recommendation of a hospital as place of employment in the opinion of nurses working in Polish hospitals
    Autorzy:
    Gabryś, Teresa
    Kózka, Maria
    Brzyski, Piotr
    Ogarek, Maria
    Cisek, Maria
    Przewoźniak, Lucyna
    Ksykiewicz-Dorota, Anna
    Gajda, Krzysztof
    Brzostek, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/635179.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
    Tematy:
    bezpieczeństwo pacjenta
    jakość opieki
    pielęgniarki
    rozwój zawodowy
    warunki pracy
    wyczerpanie emocjonalne
    zatrudnienie
    emotional burnout
    employment, nurses
    patient safety
    professional development
    quality care
    working conditions
    Opis:
    Introduction. European states observe an increased demand for healthcare services and diminishing numbers of nurses working in the healthcare system. A divergence that may result in future shortages of hospital nursing staff. Aim. Definition of factors that influence readiness to recommend the hospital as place of employment by nurses employed in Polish hospitals. Material and method. Polish part of the RN4CAST protocol, the study uses logistic regression model on data from 2605 questioners from nurses working in 30 Polish hospitals. Results. About half of the responders declared readiness to recommend employment in their hospital. The recommendation depended on working conditions, quality of care, patient safety, and manager interest in professional development of personnel. Higher level of emotional burnout reduced the probability of recommendation. Conclusions. Working conditions, quality of care, patient safety, and potential of professional development are the main factors deciding about the eagerness to recommend employment in one’s hospital.
    Źródło:
    Zdrowie Publiczne i Zarządzanie; 2012, 10, 4; 289-296
    2084-2627
    Pojawia się w:
    Zdrowie Publiczne i Zarządzanie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Organizacja i zakres badań RN4CAST (Registered Nurse Forecasting) dotyczących planowania zatrudnienia w pielęgniarstwie w Polsce
    Forecasting nursing. Planning human resources in nursing, organisation and scope of the RN4CAST study in Poland
    Autorzy:
    Przewoźniak, Lucyna
    Kózka, Maria
    Cisek, Maria
    Gajda, Krzysztof
    Brzyski, Piotr
    Ogarek, Maria
    Gabryś, Teresa
    Brzostek, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/635221.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
    Tematy:
    adaptacja kulturowa narzędzi badawczych
    dobór próby
    satysfakcja zawodowa pielęgniarki
    satysfakcja pacjenta
    szpital
    wyniki leczenia pacjentów
    cultural adaptation of research tools
    hospital
    nurse professional satisfaction
    patient satisfaction
    patient treatment outcomes
    sampling
    Opis:
    The study was conducted as part of European RN4CAST project, with participation of 16 countries, including 12 from Europe. Aim: To develop universal and modern assumptions for the policy of effective nurse employment and management in hospital. Material and method: The study was conducted on a nationally representative sample of 30 hospitals, selected through multi-stage group sampling. Professional satisfactions of nurses working at internal and surgical wards, as well as satisfaction of patients of these wards were tested in a questionnaire study. Data on patient treatment outcomes, and hospital organisation and operation were also collected. Hierarchical linear modelling (HLM) and generalised estimating equations (GEE) were used for statistical analysis. Conclusion: RN4CAST is the first project focused on the hospital and contextual determinants of its operation, which compares Polish results with those from other European states, thanks to a single international study procedure.
    Źródło:
    Zdrowie Publiczne i Zarządzanie; 2012, 10, 4; 267-277
    2084-2627
    Pojawia się w:
    Zdrowie Publiczne i Zarządzanie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ struktury zatrudnienia personelu i wybranych czynników organizacyjnych szpitala na wskaźnik zgonów pacjentów hospitalizowanych w szpitalach polskich uczestniczących w projekcie RN4CAST
    Influence of hospital staffing and selected organisational circumstances on the death rate of patients treated in Polish hospitals participating in the RN4CAST project.
    Autorzy:
    Gajda, Krzysztof
    Kózka, Maria
    Brzyski, Piotr
    Gabryś, Teresa
    Przewoźniak, Lucyna
    Cisek, Maria
    Ogarek, Maria
    Ksykiewicz-Dorota, Anna
    Brzostek, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/635171.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
    Tematy:
    czynniki organizacyjne
    obsada kadrowa
    szpital
    wskaźnik zgonów
    death rate
    hospital staff
    hospital organization
    Opis:
    Introduction. Adequate hospital staff employment and assorted organisational circumstances influence outcomes of hospitalised patients. Aim. To analyse influence of hospital staff employment structure and selected organisational circumstances on the death rate of patients hospitalised in acute hospitals. Material and method. Anonymous data of hospitalised patients (fragment of the NHF* report) and of hospital organisational questionnaire were used. The hospital death rate (proportion of hospital deaths to patient admissions) was defined as the dependent variable. The study included 25 hospitals, which provided all the required data. Statistical analysis was conducted in IBM SPSS Statistics 20, using rho Spearman’s rank correlation coefficient for quantitative variables and eta correlation ratio for qualitative variables. Results. The death rate value was adversely correlated with the number of employed physicians, nurses and other not-nursing staff who provided direct patient care. The global number of hospital intensive care units and allocation of separate medical and surgical intensive care units positively influenced the hospital death rate. Conclusions. The number of employed personnel (physician, nurses, and other staff) involved in direct patient care and organization of intensive care in a hospital structure influence the death rate of patients treated in Polish acute hospitals.
    Źródło:
    Zdrowie Publiczne i Zarządzanie; 2012, 10, 4; 297-305
    2084-2627
    Pojawia się w:
    Zdrowie Publiczne i Zarządzanie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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