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    Wyświetlanie 1-44 z 44
    Tytuł:
    Badanie cech strukturalnych i geometrycznych podczas sortowania wytrzymałościowego tarcicy konstrukcyjnej metodą wizualną
    Testing structural and geometric strengths while visual sorting of structural timber
    Autorzy:
    Wdowiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/162619.pdf
    Data publikacji:
    2017
    Wydawca:
    Polski Związek Inżynierów i Techników Budownictwa
    Tematy:
    tarcica
    sortowanie
    klasyfikacja wytrzymałościowa
    metoda wizualna
    właściwości geometryczne
    właściwości strukturalne
    sawn timber
    sorting
    strength classification
    visual method
    geometrical characteristics
    structural characteristics
    Opis:
    W artykule zaprezentowano analizę cech strukturalnych i geometrycznych podczas sortowania wytrzymałościowego tarcicy konstrukcyjnej metodą wizualną. Skoncentrowano się na zagadnieniach dotyczących zasad klasyfikacji tarcicy konstrukcyjnej iglastej. Ponadto omówiono wymagania wilgotnościowe, wymiarowe, jakościowe tarcicy i sposoby jej oznakowania. Znacząco przytoczono metody badania niektórych wad strukturalnych i wad obróbki drewna.
    The article presents the analysis of structural and geometrical features while visual sorting of structural sawn timber. Significant emphasis was placed on classification rules for coniferous timber. In addition, moisture, dimension, quality and marking requirements were discussed. Defect testing methods were also thoroughly described in this article.
    Źródło:
    Przegląd Budowlany; 2017, 88, 12; 42-46
    0033-2038
    Pojawia się w:
    Przegląd Budowlany
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of bent timber beam reinforcement with the application of composite materials
    Analiza wzmocnień zginanych belek drewnianych z zastosowaniem materiałów kompozytowych
    Autorzy:
    Wdowiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/402195.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Świętokrzyska w Kielcach. Wydawnictwo PŚw
    Tematy:
    timber
    composite materials
    reinforcement analysis
    drewno
    kompozyty
    analiza zbrojenia
    Opis:
    The paper discusses timber frame reinforcement with the application of fiber composites and analyzes the results of the conducted studies. The notion of composite materials and their impact on the frame’s load bearing capacity and rigidity have been defined. The following issues have been discussed: the techniques of reinforcing timber beams, measuring the size of deflection for different load levels, destructive load, timber and tape deformation.
    Źródło:
    Structure and Environment; 2016, 8, 1; 10-16
    2081-1500
    Pojawia się w:
    Structure and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Defects in structural timber
    Wady drewna konstrukcyjnego
    Autorzy:
    Wdowiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/402203.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Świętokrzyska w Kielcach. Wydawnictwo PŚw
    Tematy:
    timber
    wood defects
    knots
    cracks
    resin pockets
    stains
    rots
    insect channels
    wanes
    twisted fibres
    curves
    sclerenchyma fibres
    drewno
    wady drewna
    sęki
    pęknięcia
    pęcherze żywiczne
    zabarwienia
    zgnilizna
    chodniki owadzie
    obliny
    skręt włókien
    krzywizny
    twardzica
    Opis:
    The paper presents the defects that are typically found in structural timber. The model of the so-called flawless timber has been made more precise. Additionally, the impact of defects on timber quality was characterised. Defect classification with respect to the time of formation, type and causes was presented. The following defects were discussed in a detailed manner: knots, twisted fibres, cracks, resin pockets, stains, rots, insect channels, wanes, shape defects and sclerenchyma fibres. The main objective of the paper is to show actual imperfections in the conifer wood revealed in the examined elements. The cross-sections of round timber and construction and structural sawn timber were analysed.
    W artykule przedstawiono typowe wady drewna konstrukcyjnego. Przybliżone zostały wzorce tzw. drewna bezbłędnego. Scharakteryzowano również wpływ wad na jakość drewna oraz ich podział w odniesieniu do czasu powstania, rodzaju uszkodzeń i ich przyczyn. Szczegółowo zilustrowano sęki, skręt włókien, pęknięcia, pęcherze żywiczne, zabarwienia, zgnilizny, chodniki owadzie, obliny, wady kształtu oraz twardzicę. Głównym celem pracy jest ukazanie rzeczywistych niedoskonałości przebadanych elementów z drewna iglastego. Przeanalizowano przekroje drewna okrągłego oraz tarcicy budowlano-konstrukcyjnej.
    Źródło:
    Structure and Environment; 2017, 9, 2; 112-122
    2081-1500
    Pojawia się w:
    Structure and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Struktura drewna konstrukcyjnego
    Structural timber characteristics
    Autorzy:
    Wdowiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/105498.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Rzeszowska im. Ignacego Łukasiewicza. Oficyna Wydawnicza
    Tematy:
    drewno
    struktura mikroskopowa
    struktura makroskopowa
    przyrosty roczne
    biel
    twardziel
    pęcherze
    wycieki żywiczne
    promienie łykodrzewne
    sosna zwyczajna
    Pinus sylvestris L.
    świerk pospolity
    Picea abies Karst.
    modrzew europejski
    Larix decidua Mill.
    jodła pospolita
    Abies alba Mill.
    daglezja zielona
    Pseudotsuga menziesii Franco
    wood
    microscopic structure
    macroscopic structure
    annual rings
    sapwood and heartwood
    resin pockets and leaks
    medullary rays
    pine
    spruce
    European larch
    silver fir
    Douglas fir
    Opis:
    Drewno to priorytetowy surowiec dla przemysłu celulozowego i energetycznego. Źródłem surowcowym są lasy. Powierzchnia lasów w Polsce, z roku na rok, nieustannie wzrasta. Wzrost lesistości od roku 1945 wynosi 8,4%. Przyrost ten jest wynikiem zalesiania gruntów użytkowanych przez rolnictwo i nieużytków [1]. W monografii przedstawiono budowę mikroskopową i makroskopową drewna sosny zwyczajnej Pinus sylvestris L., pochodzącej z czterech wybranych krain przyrodniczoleśnych Polski: Kraina A - Mazowiecko – Podlaska Kraina Przyrodniczo – Leśna (Nadleśnictwo Garwolin), Kraina B - Małopolska Kraina Przyrodniczo – Leśna (Nadleśnictwo Przedbórz), Kraina C - Śląska Kraina Przyrodniczo – Leśna (Nadleśnictwo Kędzierzyn Koźle), Kraina D - Karpacka Kraina Przyrodniczo – Leśna (Nadleśnictwo Piwniczna). Ukazano strukturę mikroskopową jodły pospolitej Abies alba Mill, modrzewia europejskiego Larix decidua Mill. pochodzącego z zabytkowego obiektu wybudowanego w 1860 r., sosny zwyczajnej Pinus sylvestris L. poddanej 5 - letnim wpływom atmosferycznym oraz degradacji biologicznej. Określono przyrosty roczne, biel i twardziel, pęcherze i wycieki żywiczne oraz promienie łykodrzewne. Zaprezentowano właściwości rozpoznawcze wybranych rodzajów drewna iglastego, w szczególności zabarwienie twardzieli, szerokość przyrostów rocznych, udział bielu i twardzieli, obecność przewodów żywicznych, przejście z drewna wczesnego do późnego czy strukturę sęka. Dodatkowo scharakteryzowano takie gatunki drzew, jak sosna zwyczajna Pinus sylvestris L., świerk pospolity Picea abies Karst., modrzew europejski Larix decidua Mill., jodła pospolita Abies alba Mill., daglezja zielona Pseudotsuga menziesii Franco [1-2].
    Wood is a basic raw material for paper and pulp industry, and also in power generation. Wood supplies are provided by forests. In Poland, the area of forests continues to increase annually. Since 1945, forest cover has grown by 8.4%. The increment results from afforestation of the land with former agricultural use, and of uncultivated land [1]. In the monograph, the micro- and macroscopic structure of wood from pine Pinus sylvestris L. was presented. The wood originated from four selected nature-forest areas of Poland, namely Area A - Mazowiecko – Podlaska Nature-Forest Area (Garwolin Forest Inspectorate), Area B - Małopolska Nature-Forest Area (Przedbórz Forest Inspectorate), Area C - Śląska Nature-Forest Area (Kędzierzyn Koźle Forest Inspectorate), Area D - Karpacka Nature-Forest Area (Piwniczna Forest Inspectorate). Wood microscopic structure analysis was performed for the following conifer species: silver fir Abies alba Mill, European larch Larix decidua Mill., the wood of which was obtained from a historical structure built in 1860, and pine Pinus sylvestris L., the wood of which was exposed to atmospheric conditions and biological degradation for a 5 – year period. The following features were specified: annual rings, sapwood and heartwood, resin pockets and leaks, and also medullary rays. The distinctive properties of selected coniferous wood species were presented, including heartwood colour, the width of annual rings, sapwood and heartwood content, the occurrence of resin ducts, transition from earlywood to latewood, and also knot structure. Additionally, the characteristics of the wood of the following species were provided: pine Pinus sylvestris L., spruce Picea abies Karst., European larch Larix decidua Mill., silver fir Abies alba Mill., Douglas fir Pseudotsuga menziesii Franco [1-2].
    Źródło:
    Czasopismo Inżynierii Lądowej, Środowiska i Architektury; 2017, 64, 4/I; 363-378
    2300-5130
    2300-8903
    Pojawia się w:
    Czasopismo Inżynierii Lądowej, Środowiska i Architektury
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sperm epigenetic profile and risk of cancer
    Autorzy:
    Wdowiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/3579.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    sperm
    epigenetics
    disease risk
    cancer
    DNA damage
    methylation
    Opis:
    Introduction and objective. The integrity, stability and composition of sperm chromatin are of great importance in the fertilizing potential of male gametes and their capacity to support normal embryonic development. In this study, the author presents the current state of knowledge about the sperm epigenetic profile and risk of cancer. Abbreviated description of the state of knowledge. The obtaining of pregnancy and the state of health of the baby depends on the quality of the genetic material of both the female and the male. Health behaviours and environmental factors directly affect the quality of sperm, as well as the human egg cell and, consequently, on the reproductive capabilities, the course of pregnancy and the state of the newborn. There exist two thoroughly investigated epigenetic modifications: DNA methylation and histone modifications. The process of DNA methylation can be also a fundamental factor contributing to the development of cancer, where epigenotype undergoes significant modifications. When considering numerous DNA aberrations in the male gamete, the most commonly encountered is DNA fragmentation, particularly in infertile subjects. Surprisingly, an intracytoplasmatic sperm injection study of mice oocytes, using spermatozoa with a high DNA Fragmentation Index (DFI), revealed that a considerable percentage of adults born as a result of this method, showed a significant increase in the incidence of abnormal behavioural tests, malformations, cancer and signs of premature aging. Summary. The issue of assisted procreation raises the need to look for an appropriate treatment for males with sperm chromatin abnormalities. As a result, the fight against smoking addiction becomes the obvious necessity. Moreover, the reasonable solution nowadays seems to be supplementation with micronutrients and folic acid. It has been proved that the process of DNA fragmentation is a phenomenon that intensifies over time. Therefore, there should be a pursuance for, as close as possible, to the moment of ejaculation, application of semen to reproductive techniques. Finally, epigenetic changes are suspected of being one of the factors responsible for the deterioration of male sperm parameters observed in recent decades.
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2014, 08, 2
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Strength and structural properties of structural timber
    Właściwości strukturalno-wytrzymałościowe drewna konstrukcyjnego
    Autorzy:
    Rudziński, L.
    Wdowiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/402209.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Świętokrzyska w Kielcach. Wydawnictwo PŚw
    Tematy:
    timber
    macroscopic and microscopic structure
    physical and mechanical properties
    moisture
    Poland's nature and forest lands
    fresh and dried sawn timber
    artificial drying
    sorting in terms of strength
    drewno
    struktura makroskopowa i mikroskopowa
    właściwości fizyczne i mechaniczne
    wilgotność
    przyrodniczo-leśne tereny Polski
    świeża i suszona tarcica
    suszenie sztuczne
    sortowanie pod względem wytrzymałości
    Opis:
    Taking into account the growing significance of structural timber in the building industry, the paper aims at defining the selected mechanical and physical properties of the Polish pine structural sawn timber from four nature and forest lands: Land A – Mazovian-Podlasian Nature and Forest Land (Forest District Garwolin), Land B – Little Poland Nature and Forest Land (Forest District Przedbórz), Land C – Silesian Nature and Forest Land (Forest District Kedzierzyn Koźle), Land D – Carpathian Nature and Forest Land (Forest District Piwniczna) [4]. The paper presents the definition of timber, its macroscopic and microscopic structure as well as factors affecting the mechanical properties of timber such as moisture or structural defects. The conducted tests involved sorting sawn timber in terms of strength using visual method according to the PN-D-94021 standard as well as characterizing the average moisture of the fresh and artificially dried sortment [6-8].
    Źródło:
    Structure and Environment; 2016, 8, 2; 103-108
    2081-1500
    Pojawia się w:
    Structure and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of the effect of using mobile phones on male fertility
    Autorzy:
    Wdowiak, A
    Wdowiak, L.
    Wiktor, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/52101.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    human health
    sperm cell
    structure
    electromagnetic wave
    male fertility
    male
    mobile telecommunication zob.mobile telephony system
    mobile telephony system
    living organism
    mobile phone
    motility
    Opis:
    The problem of the lack of offspring is a phenomenon concerning approximately 15% of married couples in Poland. Infertility is defi ned as inability to conceive after a year of sexual intercourses without the use of contraceptives. In half of the cases the causative factor is the male. Males are exposed to the effect of various environmental factors, which may decrease their reproductive capabilities. A decrease in male fertility is a phenomenon which occurs within years, which may suggest that one of the reasons for the decrease in semen parameters is the effect of the development of techniques in the surrounding environment. A hazardous effect on male fertility may be manifested by a decrease in the amount of sperm cells, disorders in their mobility, as well as structure. The causative agents may be chemical substances, ionizing radiation, stress, as well as electromagnetic waves. The objective of the study was the determination of the effect of the usage of cellular phones on the fertility of males subjected to marital infertility therapy. The following groups were selected from among 304 males covered by the study: Group A: 99 patients who did not use mobile phones, Group B: 157 males who have used GSM equipment sporadically for the period of 1-2 years, and Group C: 48 people who have been regularly using mobile phone for more than 2 years. In the analysis of the effect of GSM equipment on the semen it was noted that an increase in the percentage of sperm cells of abnormal morphology is associated with the duration of exposure to the waves emitted by the GSM phone. It was also confi rmed that a decrease in the percentage of sperm cells in vital progressing motility in the semen is correlated with the frequency of using mobile phones.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2007, 14, 1
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of trace metals in follicular fluid in ICSI-treated patients
    Autorzy:
    Wdowiak, A.
    Wdowiak, E.
    Bojar, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2081685.pdf
    Data publikacji:
    2018
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    trace metals
    intracytoplasmic sperm injection (ICSI)
    embryo development dynamics
    time-lapse monitoring
    follicular fluid
    Opis:
    This study investigated the influence of cadmium (Cd), copper (Cu), iron (Fe), lead (Pb), selenium (Se), and zinc (Zn) in follicular fluid on the effectiveness of in vitro fertilization (IVF) treatment and the dynamics of embryo development. The study involved 221 women aged 25–35 years in whom intracytoplasmic sperm injection (ICSI) was performed. Analysis of the effects of the average concentrations of Se, Zn, and Cu on the developmental dynamics of embryos showed that higher concentrations of these metals were accompanied by shorter lead times for each of the various stages of development, while the reverse was true in the case of cadmium and lead. No relationship was observed between the mean concentrations of Fe and the dynamics of the human embryo. In order to discover whether the fact of becoming pregnant is affected by the investigated variables, a logistic regression model was applied. The dependent variable was the fact of achieving pregnancy, and the independent variable tested was the level of trace metals. Ultimately, only one variable remained statistically significant in the model: the level of Se.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2018, 25, 2; 213-218
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Maternal passive smoking during pregnancy and neonatal health
    Autorzy:
    Wdowiak, A
    Wiktor, H.
    Wdowiak, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/50267.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    maternal passive smoking
    neonatal health
    pregnancy
    woman
    Lublin region
    Polska
    newborn child
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2009, 16, 2; 309-312
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Superoxide dismutase and glutathione peroxidase activity in pregnancy complicated by diabetes
    Autorzy:
    Wdowiak, A.
    Brzozowski, I.
    Bojar, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/50976.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2015, 22, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of ionizing radiation on the male reproductive system
    Autorzy:
    Wdowiak, A.
    Skrzypek, M.
    Stec, M.
    Panasiuk, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/2083104.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    radiation protection
    ionizing radiation
    male fertility
    human reproductive function
    medical exposure
    natural exposure
    Opis:
    Introduction and objective. In the light of current data concerning the growing exposure to ionizing radiation (IR) originating from atrificial sources, especially from medical ones, and also related to occupational exposure, it is justifiable to systematize the state of knowledge concerning the effect of IR on the male reproductive system. Brief description of the state of knowledge. There is no basis for the application of the hypothesis of hormesis in the area of male reproductive health. Regarding the impact of IR on spermatogenesis, spermatogonia are less susceptible to the occurrence of DNA damage after exposition to IR, but are characterized by slower DNA repair compared to somatic cells. Damage to the genes after exposure to IR is possible at each stage of spermatogenesis; however, haploidal spermatids show the highest radiosensitivity in this respect. The genetic risk of the cells differentiating during spermatogenesis is limited to one cycle of spermatogenesis, whereas the genetic instability may persist for the whole period of life, and DNA damage induced by IR may be transmitted to future generations. The minimum dose causing detectable DNA damage was 30 Gy. While exceeding this dose, the number of single-strand DNA breaks increases. Among males exposed to IR, a decrease was observed in sperm motility and in the percentage of morphologically normal spermatozoa as well as in an intensification of vacuolization. The genetic material in the sperm of these males showed higher fragmentation and methylation of genomic DNA. Conclusion. In the context of the epidemiological situation concerning the prevalence of infertility, while assessing the health effects of exposure to IR from artificial, including medical sources, the reproductive risk should be considered.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2019, 26, 2; 210-216
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nicotinism and quality of embryos obtained in in-vitro fertilization programmes
    Autorzy:
    Wdowiak, A.
    Lewicka, M.
    Plewka, K.
    Bakalczuk, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/51164.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Medycyny Wsi
    Opis:
    Introduction: According to the World Health Organization, infertility is defined as the inability to conceive following 12 months of regular unprotected sexual intercourse. Cigarette smoking, alcohol and drugs are the main stimulants exerting a negative effect on the male and female reproductive organs. Objective: The objective of the study was analysis of the effect of cigarette smoking by the women examined and their partners on the quality of embryos obtained in in vitro fertilization programmes. Material and methods: The study covered 54 women treated due to infertility. The database and statistical analyses were performed by means of computer software STATISTICA 7.1 (StatSoft, Poland). Results: The study showed that among 100% of the women examined, 24.07% smoked cigarettes. No statistically significant difference was observed between cigarette smoking by the women in the study (p=0.42), and the number of cigarettes smoked daily (p=0.52) and the total duration of smoking expressed in years (p=0.56). In addition, the study showed that 33.33% of respondents were exposed to passive nicotinism, while 66.67% were not exposed to passive smoking. In the group of women exposed to passive smoking, Class A embryos constituted 11.11%, Class B embryos – 83.38%, whereas Class C embryos – only 5.56%. A statistically significant relationship was noted between classes of embryos and exposure to passive nicotinism (p=0.03). Passive smoking results in the development of embryos of poorer quality. A significantly higher number of Class 2 embryos were produced from oocytes of women exposed to the effect of cigarette smoke, compared to Class 1. Among women at reproductive age, an active campaign should be carried out against nicotinism on behalf of their fertility and future maternity.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2013, 20, 1
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Acceptance of diagnostic and therapeutic methods by married couples treated due to infertility
    Autorzy:
    Makara-Studzinska, M.
    Morylowska-Topolska, J.
    Wdowiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/3582.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2010, 04, 2
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Opieka personelu medycznego oddziałów położniczych nad kobietą i noworodkiem - w ocenie pacjentek
    Care of mother and newborn provided by medical staff in maternity wards in opinions of patients
    Autorzy:
    Makara-Studzinska, M.
    Wdowiak, A.
    Podstawka, D.
    Stec, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/4257.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Medycyna Ogólna i Nauki o Zdrowiu; 2013, 19(48), 3
    2083-4543
    Pojawia się w:
    Medycyna Ogólna i Nauki o Zdrowiu
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of effect of selected occupational factors on termination of pregnancy and state of the newborn
    Autorzy:
    Wdowiak, A.
    Stec, M.
    Iwanowicz-Palus, G.J.
    Mroczkowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/3083.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2012, 06, 2
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sexual education from the view of high school students
    Autorzy:
    Bakalczuk, G.
    Plaskota, A.
    Lewicka, M.
    Sulima, M.
    Wdowiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/3466.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    sex education
    high school student
    student
    prophylaxis
    midwife
    culture
    definition
    Opis:
    Introduction. Sexual education is still a non-defined area concerning the sex life of man. It is perceived differently depending on the country and its culture. In Poland, it should be implemented as part of ‘Family Life Education’. Objective. The aim of the research is to present the opinion of male and female high school students concerning sex education. Materials and methods. The research was conducted in 2014 on 450 male and female high school students in two provinces of Poland: 225 students from the Stanislaw Konarski High School in Mielec, Podkarpackie Province, and 225 from the Zbigniew Herbert High School in Lublin, Lubelskie province. Results. Close to half of the surveyed participated in a class ‘Family Life Education’ (48%); however, 32% and 22.9% were not satisfied with the class. Poor aspects of the subject were observed by the great majority of students (70%). Most of the youths (68.9%) desire a more complex approach to the subject, to be led by a medical specialist (68%). Conclusions. The students stated that sex education as part of ‘Family Life Education’ class is not satisfactory. They demand a specialist, medical knowledge of human sexuality. Parents, who should constitute a major source of information, had considerable influence in the sex education of their children.
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2014, 08, 2
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Knowledge and opinions of nurses about organ transplantation in a Polish hospital
    Autorzy:
    Makara-Studzinska, M.
    Kowalska, A.
    Wdowiak, A.
    Krys-Noszczyk, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/3557.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2013, 07, 1
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Alcohol consumption and quality of embryos obtained in programmes of in vitro fertilization
    Autorzy:
    Wdowiak, A.
    Sulima, M.
    Sadowska, M.
    Bakalczuk, G.
    Bojar, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/50665.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2014, 21, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Self-perception of body by women of child-bearing age
    Autorzy:
    Makara-Studzinska, M.
    Wrotna, M.
    Krys-Noszczk, K.
    Wdowiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/3543.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    body image
    self-perception
    woman
    child-bearing age
    human age
    health
    human health
    Opis:
    Introduction. In psychology, the way in which we perceive our body is what is called “body image”, a concept which is associated with our social and psychical functioning. A positive image of one’s own body is connected with being attractive, having high self-esteem, high self-confidence and general satisfaction with life [1]. Therefore, contentment, or lack thereof, of one’s body comprises an emotional element of body image [2]. The feelings we have towards our body are changing all the time, as well as other behaviours and are conditioned by individual circumstances and mood. Nevertheless, our relationship with the body and its main components are a relatively stable construction [3]. Aim of the study. Recognition of the emotional component of body image of the polled women, and observation of behaviours concomitant with dissatisfaction, lead to improvement of body appearance. Methods and materials. The study was conducted in 2014, in which 200 women of child-bearing age – students of Medical University in Lublin, Poland, participated. The applied measurement tools were a questionnaire and a scale for assessing one’s body, both designed by the authors of the study. Results. The average age of respondents – 22; BMI – 21.1840. In the general “one’s body assessment” scale, the highest mean values were achieved in the subscale of “Aspirations for attaining an ideal figure”. There is a statistically significant correlation between the status of relationship, diet, and aspiration for an ideal figure. Conclusions. Most of the surveyed women were satisfied with their appearance and had a high self-esteem. No statistically significant relations were observed between BMI and the subscales of “General body assessment.” The “Cult of Thin” created by the mass media did not influence the subjective perception of one’s body.
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2014, 08, 2
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Atherogenic lipid profile and health behaviours in women post-menopause working in agriculture
    Autorzy:
    Krakowiak, J.
    Raczkiewicz, D.
    Wdowiak, A.
    Cichońska, D.
    Bojar, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2085110.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    atherogenic lipid profile
    health behaviours
    post-menopausal women
    Opis:
    Introduction and objective. There is a significantly higher risk of lipid disorders occurrence, including atherogenic dyslipidemia in women after menopause than it is in general population. The aim of the work was to investigate the correlation between health behaviours and the occurrence of lipid disorders in women after menopause working in agriculture. Material and methods. The study was conducted in years 2015–2016 and included 843 post-menopausal women working in agriculture. The following were used: a questionnaire including socio-demographic data, laboratory lipid tests, inventory of health behaviours. The following were estimated: logistic regression models for serum lipids concentration versus frequency of health behaviours in the examined women. Results. Adverse lipid profile was found in over a half of post-menopausal women working in agriculture, whereas the frequency of health behaviours were estimated at the average level, although the frequency of correct eating habits and health practices was significantly lower than preventive behaviours and positive psychological attitudes. A correlation was found between the frequency of health behaviours and the occurrence of lipid disorders in women after menopause working in agriculture: more frequent health practices co-existed with the lower concentration of total cholesterol and a higher concentration of HDL-cholesterol, more frequent preventive behaviours co-existed with lower concentration of LDL-cholesterol. Women with higher concentration of triglycerides undertook pro-health practices relatively more often. Conclusions. The study revealed a high prevalence of lipid disorders in postmenopausal women working in agriculture. More effective health education programmes are necessary in the area of reduction the risk factors of CVD in the population of women working in agriculture.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2019, 26, 4; 585-591
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Supporting the treatment of infertility using psychological methods
    Autorzy:
    Humeniuk, E.
    Pucek, W.
    Wdowiak, A.
    Filip, M.
    Bojar, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/28763030.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2023, 30, 4; 581-586
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stress at intellectual work and cardiovascular diseases in women at non-mobility working age
    Autorzy:
    Raczkiewicz, D.
    Bojar, I.
    Wdowiak, A.
    Rzeźnicki, A.
    Krakowiak, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2085059.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    stress at work
    cardiovascular diseases
    non-mobility working age
    Opis:
    Introduction and objective. Stress at the work place reduces efficiency, as well as increasing accidents and absences, which may cause various diseases, including cardiovascular diseases. The aim of the study is an analysis of the prevalence and causes of stress in intellectual work, and its correlation with the prevalence of cardiovascular diseases in women at non-mobility working age. Materials and method. The study was conducted in 2016–2017 in a group of 300 women aged 45–60 in non-manual employment. A questionnaire for subjective job evaluation was used. Logistic regression models for the occurrence of CVDs versus frequency of occurrence of individual causes of work stress among the respondents were estimated. Results. Women at non-mobility working age with non-manual employment are especially exposed to stress, half of them experience high level of stress at work, most often caused by social contacts and lack of rewards and support. Cardiovascular diseases were found in 26.5% of the women studied who were also significantly higher exposed to the occurrence of health hazards due to exposure to harmful factors, or due to an accident at work, changes in the workplace, the need to compete with others,and the need to perform the task despite the lack of appropriate material resources, compared with women without such diseases. Conclusions. The study revealed a high prevalence of occupational stress in non-manual employment, indicated its main causes that correlated with the alence of cardiovascular diseases. Actions are needed to reduce the level of stress in the work of women at non-mobility working age, to maintain their work ability and quality of life.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2019, 26, 3; 456-461
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Perception and degree of acceptance of menopause-related changes in various spheres of life by postmenopausal women
    Autorzy:
    Robak-Cholubek, D.
    Wdowiak, A.
    Makara-Studzinska, M.
    Korczynska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/49966.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2014, 21, 3
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Opinie kobiet odnośnie przyczyn korzystania z porad lekarza ginekologa
    Women’s opinions concerning the reasons for using gynecologist’s advice
    Autorzy:
    Wdowiak, A.
    Bak, M.
    Lewicka, M.
    Kanadys, K.
    Bakalczuk, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/3964.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Medycyna Ogólna i Nauki o Zdrowiu; 2011, 17(46), 2
    2083-4543
    Pojawia się w:
    Medycyna Ogólna i Nauki o Zdrowiu
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Knowledge of factors predisposing to the occurrence of cerebral palsy among pregnant women
    Autorzy:
    Lewicka, M.
    Wdowiak, A.
    Sulima, M.
    Bakalczuk, G.
    Niescior, B.
    Ilzecka, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/3026.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2012, 06, 2
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The role of age, environmental and occupational factors on semen density
    Autorzy:
    Lepecka-Klusek, C.
    Wdowiak, A.
    Pilewska-Kozak, A.B.
    Syty, K.
    Jakiel, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/51504.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    age
    environmental factor
    occupational factor
    semen density
    male infertility
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2011, 18, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Background ionizing radiation and semen parameters of men with reproductive problems
    Autorzy:
    Wdowiak, A.
    Stec, M.
    Raczkiewicz, D.
    Bień, A.
    Iwanowicz-Palus, G.
    Panasiuk, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/2085376.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    ionizing radiation
    men
    semen analysis
    sperm quality
    reproduction
    male infertility
    Opis:
    Introduction and objective. The male reproductive system constitutes a set of tissues which are particularly sensitive to external factors. The aim of the study was to analyze the relationship between background radioactivity and the quality of the semen of the men who have reported to the infertility treatment facility in 2000–2016 in the Lublin region of eastern Poland. Materials and method. The radioactivity of the ground-level air layer obtained from the Institute of Meteorology and Water Management in Włodawa in the Lublin region was analysed. 4,250 spermiograms of patients who reported to the treatment facility for the first time due to infertility were analysed and correlated to background radioactivity in the Lublin region in 2000–2016. Results. A long-term decrease in the percentage of morphologically normal spermatozoa of the patients was observed (r=-0.970; p<0.001 in 2000–2009 and r=-0.925; p=0.003 in 2010–2016). Men’s age correlated negatively with sperm motility (r=-0.164; p=0.009) and morphology (r=-0.186; p=0.009). The percentage of spermatozoa with normal morphology was lowered by beta-isotopes of artificial origin in the air in 2000–2009 (r=-0.655; p=0.040) and by the exposure to gamma radiation of the ground-level atmosphere in 2010–2016 (r=-0.676; p=0.048). The percentage of sperm vitality was lowered by gamma radiation in the atmosphere (r=-0.636; p=0.006), but improved by beta isotopes in precipitation (r=0.686; p=0.002) in the whole of the analyzed period. Conclusions. The percentage of morphologically normal spermatozoa in patients who reported to the infertility treatment depends not only on the age of patient, but also on beta-isotopes of artificial origin and gamma radiation in the atmosphere. Beta isotopes in precipitation affect the improvement of sperm vitality.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2020, 27, 1; 43-48
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Poziom lęku i depresji w okresie okołooperacyjnym a kategoria zabiegu operacyjnego w grupie kobiet leczonych z powodów ginekologicznych
    Level of anxiety and depression in the perioperative period and category of surgical procedure in a group of women treated for gynaecological reasons
    Autorzy:
    Lewicka, M.
    Makara-Studzinska, M.
    Wdowiak, A.
    Sulima, M.
    Kanadys, K.
    Wiktor, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/4516.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Medycyna Ogólna i Nauki o Zdrowiu; 2012, 18(47), 2
    2083-4543
    Pojawia się w:
    Medycyna Ogólna i Nauki o Zdrowiu
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of ionizing radiation on the female reproductive system
    Autorzy:
    Skrzypek, M.
    Wdowiak, A.
    Panasiuk, L.
    Stec, M.
    Szczygieł, K.
    Zybała, M.
    Filip, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2085209.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    infertility
    ionizing radiation
    female reproductive health
    gonadotoxic action
    Opis:
    Introduction and objective. The tendency towards postponement of maternity implies a greater exposure of female germ cells to damaging environmental effects, including ionizing radiation (IR). Progress in paediatric oncology, based on the use of radiotherapy, also implies the occurrence of gonadal dysfunctions and subsequent female fertility disorders. Therefore, it seems justifiable to systematize the state of knowledge concerning the effect of IR on the female reproductive system. Brief description of the state of knowledge. A considerable part of studies concerning the effect of IR on female germ cells have been conducted on animals. Their extrapolation to humans is hindered because in animal studies high acute exposures are applied, which do not reflect human environmental exposures characterized by chronic low dose exposure. Studies on animals provide a heterogenous image, which hinders the formulation of unequivocal conclusions and indicates that radiosensitivity depends, i.a. on IR dose, stage of development of oocytes, the applied marker of the effects of IR, or on the species. LD50 of human oocytes is estimated to be below 2 Gy. The effect of IR depends, i.a. on the dose fractionation and the age (older women are more radiosensitive). In females, the effective sterilizing dose is: at birth 20.3 Gy, at 10 years 18.4 Gy, at 20 years 16.5 Gy, whereas at 30 years 14.3 Gy, which is associated with the available pool of ovarian follicles. Conclusions. Within the range of low doses received as a result of environmental exposure to IR, there is no evidence for the occurrence of either adverse pregnancy outcomes, nor fertility disorders in females. These effects may be related to the cancer radiotherapy, or exposure to high IR doses during nuclear accidents.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2019, 26, 4; 606-616
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hygiene, ways of storage and lifetime of removable dentures
    Autorzy:
    Krawczyk, J.
    Bozyk, A.
    Kiworkowa-Raczkowska, E.
    Berger, M.
    Bakalczuk, M.
    Szkutnik, J.
    Pietryka-Michalowska, E.
    Wdowiak, A.
    Sapula, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/3601.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    human hygiene
    hygiene
    storage
    removable denture
    denture
    Opis:
    Hygiene plays an important role in patients who use removable dentures. The proper way of cleaning and storage also provides better health of oral cavity tissues as well as for the remaining teeth. The research involved 162 patients, 133 women and 29 men, aged 60–90, with different levels of education, the majority with secondary education. All patients were using removable dentures. 85.8% declared earlier use of dentures, and a half of the patients had used dentures for no more than 7.5 years. A considerable percentage (33.95%) used dentures for the whole day. Storing in a container with fluid was used by 25.93% of the respondents. Over 70% used toothpaste to clean their dentures and about 14% immersed them in special preparations, e.g. CoregaTabs, while over 8% used soap. Among patients who cleaned their dentures, the majority cleaned them once a week (75%) and the minority – twice a week (25%). The greatest percentage of patients cleaned their dentures with a toothbrush and toothpaste, which is not recommended due to occurring microabrasions. It is recommended that patients should be educated regarding prosthesis hygiene and regular follow-ups.
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2015, 09, 1
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Low frequency electromagnetic waves increase human sperm motility – A pilot study revealing the potent effect of 43 kHz radiation
    Autorzy:
    Wdowiak, Artur
    Mazurek, Paweł A.
    Wdowiak, Anita
    Bojar, Iwona
    Powiązania:
    https://bibliotekanauki.pl/articles/2162024.pdf
    Data publikacji:
    2018-12-20
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    electromagnetic radiation
    semen motility
    sperm hyperactivation
    sperm kinetic variables
    metal detecting
    infertility
    Opis:
    Objectives Abnormalities in the timing and course of spermatozoa capacitation and hyperactivation underlie common pathologies related to male infertility. Recent data shows that low frequency electromagnetic waves may influence cell membrane potential and permeability. It is therefore possible that low frequency electromagnetic waves could affect the maturation and motility processes of spermatozoa. The 43-kHz wave generator was used for modeling the impact of environmental exposure to low frequency electromagnetic radiation on human sperm. Material and Methods Sperm samples were gathered from 103 fertile, healthy men aged 25–30 years old and performed computer-assisted sperm analysis. After initial examination, each participant’s semen sample was divided into 2 aliquots (control and experimental) and placed in separate automated incubators. The samples constituting the experimental group were placed into the exposure system that emitted 43-kHz electromagnetic waves. Sperm motility was assessed at 3 h, 12 h and 24 h. Results Exposure to a 43-kHz radio frequency increased the percentage of sperm in progressive motility by up to 5.8% and the velocity of said sperm by up to 2 μm/s. Moreover, the total number of hyperactivated spermatozoa was significantly increased in the semen exposed to the electromagnetic signal. Conclusions In vivo environmental exposure to 43-kHz waves may promote the development of infertility related to premature capacitation outside of the vaginal tract. Exposing semen to this particular frequency may also boost the capacitation and hyperactivation of spermatozoa in vitro, prior to conducting assisted reproductive therapies.Int J Occup Med Environ Health 2018;31(6):723–739
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2018, 31, 6; 723-739
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of electromagnetic waves on human reproduction
    Autorzy:
    Wdowiak, Artur
    Mazurek, Paweł A.
    Wdowiak, Anita
    Bojar, Iwona
    Powiązania:
    https://bibliotekanauki.pl/articles/989982.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    human reproduction
    electromagnetic waves
    infertility
    exposure to electromagnetic fields
    Opis:
    Electromagnetic radiation (EMR) emitting from the natural environment, as well as from the use of industrial and everyday appliances, constantly influence the human body. The effect of this type of energy on living tissues may exert various effects on their functioning, although the mechanisms conditioning this phenomenon have not been fully explained. It may be expected that the interactions between electromagnetic radiation and the living organism would depend on the amount and parameters of the transmitted energy and type of tissue exposed. Electromagnetic waves exert an influence on human reproduction by affecting the male and female reproductive systems, the developing embryo, and subsequently, the foetus. Knowledge concerning this problem is still being expanded; however, all the conditionings of human reproduction still remain unknown. The study presents the current state of knowledge concerning the problem, based on the latest scientific reports.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2017, 24, 1
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zastosowanie algorytmu genetycznego w procesie identyfikacji parametrów modeli reologicznych
    Application of genetic algorithm in the process of identification of rheological model parameters
    Autorzy:
    Rutczyńska-Wdowiak, K.
    Zbiciak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/310759.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    algorytm genetyczny
    struktury reologiczne
    materiał inżynierski
    modelowanie fenomenologiczne
    model Burgersa
    model Hueta-Sayegha
    mieszanki mineralno-asfaltowe (MMA)
    genetic algorithm
    rheological structure
    material engineering
    phenomenological modeling
    Burgers model
    Huet-Sayegh model
    hot mix asphalt (HMA)
    Opis:
    W artykule omówiono zagadnienie identyfikacji parametrów liniowych struktur reologicznych modelujących zachowanie się próbek MMA. W procesie identyfikacji wykorzystano algorytm genetyczny. Analizie poddano dwie struktury lepkosprężyste: klasyczny model Burgersa i model Hueta-Sayegha opisywany pochodną ułamkowego rzędu. Podano podstawy teoretyczne interpretacji badań doświadczalnych cyklicznego odkształcania próbek MMA. Opisano wybrane problemy implementacji algorytmu genetycznego. Otrzymane wyniki identyfikacji świadczą o poprawności działania algorytmu i potwierdzają przydatność tej techniki w zagadnieniach identyfikacji parametrów struktur reologicznych.
    The paper discusses the identification problem for parameters of linear rheological models representing the behaviour of asphalt-aggregate mixtures. Genetic algorithm technique is used for this purpose. Two viscoelastic models are considered: the classical Burgers model and the Huet-Sayegh model described by fractional derivatives. Theoretical basis of interpretation of experimental cyclic deformation of asphalt-aggregate samples is given. Selected problems of implementation of the genetic algorithm are discussed. The results of identification put the evidence of the correctness of the algorithm and confirm the usefulness of this technique in the identification process of rheological model parameters.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2016, 17, 12; 1658-1661
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biomarkers in canine inflammatory bowel disease diagnostics
    Autorzy:
    Wdowiak, M.
    Rychlik, A.
    Kolodziejska-Sawerska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/31118.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Canine inflammatory bowel disease (IBD) is a heterogeneous group of chronic gastrointestinal disorders. The etiology, similar to human IBD, remains unknown. Canine IBD is diagnosed by exclusion, which is a long, time and money-consuming process due to the need of elimination of other diseases presenting with similar symptoms. Therefore, a search for a specific and sensitive marker is needed to overcome these difficulties. The article is divided into 3 sections presenting up-to-date information about laboratory markers, immunohistochemical markers and changes in the neurochemical coding of the enteric nervous system, concentrating on their usefulness and future applications. Data concerning laboratory and immunohistochemical markers is based mainly on canine IBD, while the neuroimmunohistochemistry section presents knowledge from human IBD due to the lack of such studies in veterinary medicine.
    Źródło:
    Polish Journal of Veterinary Sciences; 2013, 16, 3
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Knowledge creation and solution generation methods in the design and management of rural development
    Autorzy:
    Krakowiak-Bal, A.
    Wdowiak, W.
    Ziemiańczyk, U.
    Powiązania:
    https://bibliotekanauki.pl/articles/100919.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    knowledge creation
    rural development
    management
    methods
    Opis:
    The goal of the monograph was to: • show sample spheres of functioning and cooperation of institutions acting for rural development and principles of developing processes and procedures for organizing or modernizing information and knowledge as well as define adequate inventive methods for generating ideas, • elaborate on principles and rules of the methodology for generating ideas in the construction of options for solving problems, formulating criteria and conducting the evaluation of solution variants, selecting the optimal variant and implementing the chosen variant as the final result of the study, • distinguish the sample thematic areas of knowledge management in rural areas and define adequate methods of creativity and innovation, with pointing out the stages of appropriate methodologies and methods applied. The presentation of the typology and characteristics of inventive methods for generating solutions and creating knowledge, in the context of methodologies to improve organization of rural areas, which strengthen their competitiveness and innovation based on the principles of sustainable development, was assumed as the main research problem requiring a solution. Problems and methods for generating solutions were defined in conjunction with the study entitled “Organizational standards and rural development in the context of information and knowledge management” (Krakowiak-Bal, Wdowiak, Ziemiańczyk 2017 – subsection 3.3), and the issue of knowledge creation and corresponding methods with the study entitled “Knowledge management in rural development” (Krakowiak-Bal, Łukasik, Mikuła, Pietruszka-Ortyl, Ziemiańczyk 2017). These connections in the case of the aforementioned studies consisted in: • emphasizing the possibilities of applying heuristic methods in generating ideas of solutions presented in Chapter 2 and 3 of this monograph together with the methodologies and Anglo-Saxon methods of improving the organization, including rural areas, presented in the aforementioned Subchapter 3.3, and • emphasizing also the possibilities of applying the heuristic Japanese methods of continuous improvement in knowledge creation, presented in Chapter 4 of this monograph in conjunction with the Japanese methods of continuous improvement of the organization, presented in the aforementioned Subchapter 3.3, in the context of the second study cited above. Solutions generation is a fundamental element of the process of improving the organization, including the organization of rural areas, presented in the monograph. This activity is carried out through the following groups of activities: preparation and definition of a project problem, creation of solution variants and setting evaluation criteria, evaluating options and developing the best solution. Taking into account the review and defined research methodologies (Krakowiak-Bal, Wdowiak, Ziemiańczyk 2017, pp. 118-136), their stages in which solutions are generated can be pointed out. And so in: • the descriptive and improvement approach the stage was described as ‘the critical analysis and evaluation of the empirical material accumulated in the course of observation’, • the functional modeling approach the stage was expressed as ‘the analysis of the latest, model solutions’, • the diagnostic functional approach the stage was defined as ‘a method of idealization in finding optimal solutions’, • the general outline of the above approaches in view of J. Trzcieniecki – in the phase of ‘analysis and assessment of improvements’, • the classical methodology as ‘preparation of conditions and costs’, • the diagnostic methodology as ‘analysis and synthesis’, • the prognostic methodology as ‘building a reference system’ (in the context of purpose, entry, exit, course of organization process, environment, set of system elements), • the study of methods of work as ‘critical analysis and assessment of the facts’, • the analysis of values according to W. Biliński as ‘reflections – creative discussion” and “selection of the optimal solution’, • the analysis of values according to Z. Martyniak as ‘analysis of functions and searching for new solutions’, • the methodology of spatial organization of work as ‘analysis of solution variants’. Basic processes with the application of knowledge, also in rural areas, i.e. operational knowledge management tasks include (Krakowiak-Bal, Łukasik, Mikuła, Pietruszka-Ortyl, Ziemiańczyk 2017, p. 68 et seq.): • identification (localization of knowledge), • transfer (acquiring, disclosing, disseminating knowledge and sharing knowledge), • gathering (systematic collection of knowledge and its codification), • selection of sets of knowledge, • new knowledge creation, • combining sets of knowledge, • saving, or registration of knowledge in a codified form, • storage of knowledge carriers, • assessing the usefulness of knowledge, • applying knowledge (creating visions and concepts of action, solving problems and performing current tasks). Knowledge creation consists in the appropriate selection and use of the specificity of selected methods in knowledge management. This specificity concerns the Japanese methods of so-called continuous improvement in knowledge creation, presented in Chapter 4 of this monograph. The detailed layout of the study presented below was conditioned not only by the assumed aims of the elaboration, but also by the specificity of Anglo-Saxon epistemology, also referred to as the Western or the Japanese epistemology. The mainstay for the notion of knowledge in the western perspective, formulated on the basis of philosophy as ‘justified and true belief’, is the Plato’s idea stating that ‘absolute truth can be derived from rational reasoning based on certain axioms’. This was the cause of criticism by Aristotle who emphasized the pivotal role of sensual perception in this regard. However, the following issues contributed to the success of Plato’s approach (Nonaka, Takeuchi 2000): • Descartes’ rationalism, allowing skepticism with the conviction ‘I think; therefore I am’, • Locke’s empiricism, emphasizing experience as a source of ideas, dividing them into perceptions and reflections, • combination of empiricism with rationalism and Kant’s statement that not all knowledge results from experience, • the Hegelian dialectical unity of opposites, • introduction of interaction between the cognizer and the cognizing person as well as the relationship between man and the environment in Marx’s view, • linking knowledge strictly to Heidegger’s action, rejecting completely the thinking subject in the concept of Descartes, • pragmatism and the statement that ‘only the effective idea is true’, because ideas are devoid of values if they do not go into action, propagated by James. In turn, the Bacon’s concept of operational knowledge which emphasizes social effects and comprises the essence of civilization progress is the foundation of the organizational concept of knowledge in Japanese terms, formulated by I. Nonaka and H. Takeuchi (2000), exposing “the ability of the corporation as a whole to generate new knowledge, its dissemination and embodiment in products, services and systems”. These two perceptions of knowledge, the Anglo-Saxon and the Japanese, form the basis for differentiating in the study two different theoretical approach-es and practical applications of methods for generating solutions (Chapter 2 and 3) and for knowledge creation (Chapter 4). Chapter 1 of the study, consisting of three subchapters, is the background for reflection, emphasizing the role of heuristics, hermeneutics and semiology in the process of building a set of rules for creative thinking and presentation of solutions. The systems of thinking, heuristic and cognitive biases defined by D. Kahneman are the essence of this chapter. The considerations are complemented by hermeneutic analysis and exegesis, the indicated types of heuristics and their characteristics as well as the semiological aspects. Chapter 2, containing three subsequent subchapters, presents the characteristics and typology of selected inventive methods in the context of the basic concepts and evolution of methods. The criteria for division and typologies of the inventive methods precede the characteristics of selected inventive principles and solutions. The possibilities and principles of applying inventive methods are presented in Chapter 3. First, rural areas as the subject of the study are presented (Subchapter 3.1). In the subsequent subchapters theoretical foundations of the theory of creative thinking and knowledge creation (Subchapter 3.2) as well as the methodology of knowledge creation and creatics as the basic research tool (Subchapter 3.3) are discussed. Subchapter 3.4 presents the IDEAL model as the method for formulating decision problems. Inventive methods in organizational design are discussed in Subchapter 3.5 whereas the assumptions of the industrial inventics and the algorithm for inventive problems solving are described in Subchapter 3.6. Subchapter 3.7 concerning the methodology for generating solutions with the indication of inventive methods finalizes the chapter. Chapter 4 deals with corporate models of knowledge organization and methods of knowledge creation. The first group includes and defines the SECI spiral, the OPEC spiral and the DCCV spiral as well as the Gilbert, Probst, Raub and Romhardt’s model. The second one includes: the EDIS spiral of debate in the aspect of the double debate principle (4.2.1.), the Experimental EEIS spiral in the context of verification (4.2.2.), the Hermeneutical EAIR spiral in the context of reflection (4.2.3.), the Triple Helix spiral of knowledge creation processes (4.2.4), the ARME spiral of revolutionary knowledge creation (4.2.5.), the Knowledge Pentagram of Nakamori in the i-System approach (4.2.6.), the Nanadsudaki Septagram of seven spirals of knowledge creation (4.2.7) and the Creative Space model (4.2.8.). In the future, the thematic scope of the study should be enriched with further methods of creative thinking in management, knowledge creation and organization methods as well as considerations regarding models for intellectual resource management in rural organizations. The authors hope that the work will contribute to the dissemination of the inventive methods for generating solutions as well as knowledge creation and organization methods among employees of institutions co-contributing to rural development. It can also become a source of information and a textbook for learning about these methods for students at environmental and agricultural universities. Moreover, it might be a contribution to scientific research in this field.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2018, II/2; 1-126
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Contrast-enhanced ultrasonography (CEUS) in canine liver examination
    Autorzy:
    Wdowiak, M.
    Rychlik, A.
    Nieradka, R.
    Nowicki, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/31671.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    contrast-enhanced ultrasonography
    canine liver
    examination
    liver
    dog
    ultrasonography
    cancer
    diagnostics
    imaging technique
    Opis:
    Ultrasonography is a noninvasive diagnostic tool used to image size, shape, parenchyma and vascularization of various body organs. Unfortunately, the ultrasonographic image is characterized by a low contrast due to similar acoustic properties of the soft tissue. The Doppler mode provides information about blood flow, but is incapable of imaging small vessels and capillaries because of their low blood flow velocity (1 mm/s). However, a possibility to increase the effectiveness of ultrasonographic diagnostics exists, thanks to intravenous ultrasound contrast agents (UCAs) consisted of gas microbubbles. The purpose of this review paper is to characterize specific imaging techniques necessary to conduct a contrast-enhanced liver examination and indications for CEUS as an alternative diagnostic method.
    Źródło:
    Polish Journal of Veterinary Sciences; 2010, 13, 4
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Coincidence of three pathogens [Borrelia burgdorferi sensu lato, Anaplasma phagocytophilum and Babesia microti] in Ixodes ricinus ticks in the Lublin macroregion
    Autorzy:
    Wojcik-Fatla, A
    Szymanska, J.
    Wdowiak, L.
    Buczek, A.
    Dutkiewicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/51180.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    tick
    Ixodes ricinus
    coincidence
    pathogen
    Borrelia burgdorferi
    Anaplasma phagocytophilum
    Babesia microti
    Lublin macroregion
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2009, 16, 1; 151-158
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cytokines in canine inflammatory bowel disease
    Autorzy:
    Kolodziejska-Sawerska, A.
    Rychlik, A.
    Depta, A.
    Wdowiak, M.
    Nowicki, M.
    Kander, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/32308.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Canine inflammatory bowel disease is a group of chronic enteropathies characterized by persistent or recurring gastric symptoms with an unknown etiology which are related to histopathological changes in the mucosa of the small and large bowel in the form of cellular infiltration in the mucosal lamina propria. Recent years have witnessed a growing number of investigations into the role of the immune system and, in particular, cytokines in the development of IBD. In this article, the expression of pro-inflammatory (IL-1, IL-2, IL-5, IL-6, IL-12, IL-18, IFN-γ, TNF-α) and anti-inflammatory cytokines (IL-4, IL-10) was compared in canine patients with IBD based on clinical presentation, breed, lamina propria cell infiltrate and histopathological grade. Only selected studies confirmed higher mRNA expression levels of cytokines IL-2, IL-4, IL-5, IL-12p40, IFN-γ, TNF-α and TGF-β in dogs with IBD in comparison with healthy subjects. GSD were strongly represented in most study populations. Dogs with LPE were characterized by elevated levels of IL-1α, IL-1β, IL-2, IL-5, IL-6, IL-12, TNF-α, TGF-β. The present studies of canine patients with LPC revealed the mRNA expression of cytokines IL-1β, IL-2, IL-4, IL-5, IL-6, IL-10, IL-12p35, IL-12p40, IFN-γ, TNF-α, TGF-β. In the reviewed studies, the progression of IBD was not accompanied by changes in the mRNA expression of IL-1α, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-10, IL-12, IL-18, TNF-α, IFN-γ or TGF-β.
    Źródło:
    Polish Journal of Veterinary Sciences; 2013, 16, 1
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dietary supplementation with phytohemagglutinin in combination with alpha-ketoglutarate limits the excretion of nitrogen via urinary tract
    Autorzy:
    Filip, R
    Wdowiak, L.
    Harrison, A.P.
    Pierzynowski, S.G.
    Powiązania:
    https://bibliotekanauki.pl/articles/51877.pdf
    Data publikacji:
    2008
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    excretion
    urinary tract
    nitrogen elimination
    dietary supplementation
    rat
    gastrointestinal tract
    phytohemagglutinin
    alpha-ketoglutaric acid
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2008, 15, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A correlation between the Canine Inflammatory Bowel Disease Activity Index score and the histopathological evaluation of the small intestinal mucosa in canine inflammatory bowel disease
    Autorzy:
    Rychlik, A.
    Nieradka, R.
    Kander, M.
    Nowicki, M.
    Wdowiak, M.
    Kolodziejska-Sawerska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/31320.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The aim of this study was to assess the degree of correlation between the intensity of clinical symptoms and the macroscopic and histopathological evaluation of the small intestinal mucous membrane in dogs. The results point to a statistically significant correlation between the values of the CIBDAI index and the histopathological assessment of the duodenum mucous membrane in patients with minor and moderate intensity of the disease. The lowest correlation coefficient was obtained for the indicator comparing macroscopic and histopathological evaluations. A positive correlation between the CIBDAI score and the histopathological index offers a base for applying it in the monitoring and treatment of mild, moderate and severe cases of canine inflammatory bowel disease.
    Źródło:
    Polish Journal of Veterinary Sciences; 2012, 15, 2
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prevalence of cigarette smoking among adult population in Eastern Poland
    Autorzy:
    Panasiuk, L
    Mierzecki, A.
    Wdowiak, L.
    Paprzycki, P.
    Lukas, W.
    Godycki-Cwirko, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/51791.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    Polska
    Eastern Poland
    adult population
    cigarette smoking
    prevalence
    risk
    cancer
    respiratory disease
    cardiovascular disease
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2010, 17, 1; 133-138
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Risk factors for obesity development in school children from South-Eastern Poland
    Autorzy:
    Mazur, A
    Klimek, K.
    Telega, G.
    Hejda, G.
    Wdowiak, L.
    Malecka-Tendera, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/50530.pdf
    Data publikacji:
    2008
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    girl
    risk factor
    obesity
    school child
    human disease
    boy
    biological risk factor
    child
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2008, 15, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-44 z 44

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