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Wyświetlanie 1-15 z 2239
Tytuł:
Cytotoxicity of the new biodegradable polylactide fibres for tissue repair and regeneration
Autorzy:
Żywicka, B.
Zaczyńska, E.
Czarny, A.
Twarowska-Schmidt, K.
Powiązania:
https://bibliotekanauki.pl/articles/285468.pdf
Data publikacji:
2010
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
polymeric materials
cytotoxicity
biodegradable polylactide fibres
Źródło:
Engineering of Biomaterials; 2010, 13, no. 99-101; 107-108
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of dietary components and nutritional status on the development of pre-school children
Autorzy:
Zysk, B.
Stefanska, E.
Ostrowska, L.
Powiązania:
https://bibliotekanauki.pl/articles/2087254.pdf
Data publikacji:
2021
Wydawca:
Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
Tematy:
preschool children
child development
vitamins
minerals
nutritional status
Opis:
Background. The preschool period is a time of intensive changes: physical, motoric, cognitive, emotional and social development of the child. The diet should provide optimal energy andnutrient levels. Due to their properties, some of the dietary components may be particularly important in child development procesess. These include omega-3 fatty acids, B vitamins, vitamin D, antioxidants, iron, calcium, magnesium, zinc and copper. Objective. The aim of the study was to determine the effect of selected dietary components, the nutritional status and sleep duration in children at pre-school ages (3-6-years old) on their emotional sphere, as well as the cognitive, physical and social development. Material and methods. Anonymous research was carried out among 75 randomly selected children aged 3-6 years old in the Municipal Kindergarten in Ruciane-Nida. Research methods consited of a questionnaire, a 3-day food record, growth charts, and standardized development observation sheets. Software used for evaluation and analysis of obtained results was Diet 5.0. and Statistica 13. Results. It was observed that the increase of the BMI percentile correlated with a lesser social development of children. Children who slept a recommended number of hours presented higher level of cognitive developmnent. High level of cognitive development was more common in children supplementing vitamin D. Higher intake of folates, vitamin D, vitamin E, magnesium, zinc and copper correlated positively with a higher level of cognitive development. Conclusions. Application of the proper nutrition and healthy lifestyle principles supports a proper child development. All dietary components should be balanced, however some nutrients are of especial significance during the childhood development and therefore their optimal intake is essential for this developmental period.
Źródło:
Roczniki Państwowego Zakładu Higieny; 2020, 71, 4; 393-403
0035-7715
Pojawia się w:
Roczniki Państwowego Zakładu Higieny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wybrane zwyczaje zakupowe mieszkańców województwa łódzkiego jako przyczyna marnotrawstwa żywności
Selected shopping habits of inhabitants in Łódź voivodeship as cause of food waste
Autorzy:
Zyromska, E.
Bilska, B.
Kolozyn-Krajewska, D.
Powiązania:
https://bibliotekanauki.pl/articles/2129691.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Technologów Żywności
Tematy:
gospodarstwo domowe
województwo łódzkie
konsumpcja
marnotrawienie żywności
badania ankietowe
Opis:
Marnotrawienie żywności w gospodarstwach domowych staje się coraz większym problemem. Wzra- stają dysproporcje między odsetkiem osób żyjących na skraju ubóstwa a odsetkiem osób ulegających konsumpcjonizmowi, wiążącemu się z nadmiarem kupowanej i następnie wyrzucanej żywności. Ograni- czanie skali marnotrawienia żywności i podnoszenie świadomości konsumentów indywidualnych staje się jednym z głównych zadań dla rządów wielu krajów, w tym Polski. Przeprowadzono badania ankietowe wśród mieszkańców województwa łódzkiego na temat zwyczajów zakupowych i ich wpływu na marnotrawstwo żywności w gospodarstwach domowych. Celem pracy było wskazanie przyczyn marnotrawienia żywności w gospodarstwach domowych, skutków takiego działania oraz znajomości problematyki marnotrawstwa żywności. Na podstawie wyników badań stwierdzono, że znajomość problematyki marnotrawienia żywności nie jest wystarczająca. Do najczęściej wyrzucanych produktów spożywczych należały: pieczywo (6,3 %), potrawy ciepłe (4 %), zwiędnięte warzywa i owoce (2,4 %) oraz przeterminowane produkty spożywcze (2,4 %). Blisko 55 % kobiet i 60 % mężczyzn dekla- rowało, że zdarzało im się kupować produkty spożywcze na zapas. Większość ankietowanych nie potrafiła oszacować, czy w gospodarstwie domowym generuje się więcej odpadów spożywczych niż w poprzed- nich latach. Respondenci nie byli w stanie jednoznacznie wskazać, czy problematyka marnotrawstwa żywności jest ważna. Wykazano, że kluczowym elementem w ograniczaniu marnowania żywności jest przygotowywanie listy zakupów, weryfikowanie stanu zapasów w domu oraz znajomość terminów okre- ślających przydatność do spożycia.
Źródło:
Żywność Nauka Technologia Jakość; 2020, 27, 3; 143 - 157
1425-6959
Pojawia się w:
Żywność Nauka Technologia Jakość
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of repair of osteochondral defects in rabbits using new composite biomaterials during three-month observation
Autorzy:
Żylińska, B.
Stodolak-Zych, E.
Nowicka, K.
Silmanowicz, P.
Powiązania:
https://bibliotekanauki.pl/articles/284436.pdf
Data publikacji:
2012
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
osteochondral defects
regenerative medicine
scaffolds
hydroksyapatite
alginate
Opis:
In this work nanocomposite porous pins were implanted into rabbit knees. The pins were made of biodegradable synthetic poly-L/DL-lactide (80:20) which was modified with nanometric hydroksyapatite particles (HAp) and covered with biopolymer layer of sodium alginate (NA). In vivo experiments were conducted on a 4-element group of the New Zealand rabbits. Osteogenesis was observed using scanning electron microscope (SEM/EDS) after 12 weeks of implantation.
Źródło:
Engineering of Biomaterials; 2012, 15, no. 116-117 spec. iss.; 118-119
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of repair of osteochondral defects in rabbits using new composite biomaterials during three-month observation
Autorzy:
Żylińska, B.
Stodolak-Zych, E.
Nowicka, K.
Silmanowicz, P.
Powiązania:
https://bibliotekanauki.pl/articles/285641.pdf
Data publikacji:
2012
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
osteochondral defects
regenerative medicine
scaffolds
hydroksyapatite
alginate
Opis:
In this work nanocomposite porous pins were implanted into rabbit knees. The pins were made of biodegradable synthetic poly-L/DL-lactide (80:20) which was modified with nanometric hydroksyapatite particles (HAp) and covered with biopolymer layer of sodium alginate (NA). In vivo experiments were conducted on a 4-element group of the New Zealand rabbits. Osteogenesis was observed using scanning electron microscope (SEM/EDS) after 12 weeks of implantation.
Źródło:
Engineering of Biomaterials; 2012, 15, no. 116-117 spec. iss.; 141-143
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prevalence and selected risk factors of suicidal ideation, suicidal tendencies and suicide attempts in young people aged 13–19 years
Autorzy:
Zygo, M.
Pawłowska, B.
Potembska, E.
Dreher, P.
Kapka-Skrzypczak, L.
Powiązania:
https://bibliotekanauki.pl/articles/2083220.pdf
Data publikacji:
2019
Wydawca:
Instytut Medycyny Wsi
Tematy:
family
adolescents
suicidal behaviour
Opis:
Objective. The aim of this study was to assess the prevalence of suicidal thoughts, tendencies and suicide attempts in young people. An attempt was also made to identify factors which, according to those young people, contributed to their suicide attempts. Materials and method. The study involved 5,685 individuals aged 13–19 years. The participants were surveyed using an inquiry form designed by the study authors. Results. Suicidal behaviour in adolescents correlates with the female gender, intake of psychoactive substances, running away from home, being raised in a single-parent family, addiction of family members to alcohol, and experiences of violence. Conclusions. 1) Suicidal ideation was reported by 24.66%, suicidal plans – by 15.55%, and suicide attempts – by 4.37% of the adolescents studied. 2) Girls were significantly more likely to attempt suicide out of a sense of helplessness, loneliness, rejection and guilt, as well as conflicts with parents and peers. Boys were significantly more likely than girls to attempt suicide as a result of pressure from peers or cyber acquaintances. 3) Suicide attempts were significantly more common among girls than boys between the ages of 13–19, and significantly more common among young people living in urban areas than those living in the countryside. 4) Significantly more young people who reported suicidal thoughts and plans and suicide attempts than those not reporting such experiences were raised in single-parent families. 5) Compared with non-suicidal controls, young people who admitted to having suicidal thoughts and plans and to having attempted suicide, were significantly more likely to report alcohol abuse by parents and experiences of psychological and physical violence from family members.
Źródło:
Annals of Agricultural and Environmental Medicine; 2019, 26, 2; 329-336
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Theoretical and experimental research of supersonic missile ballistics
Autorzy:
Zygmunt, B.
Motyl, K.
Machowski, B.
Makowski, M.
Olejniczak, E.
Powiązania:
https://bibliotekanauki.pl/articles/201046.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
missile exterior ballistics
mathematical model
computer simulation
test range experiment
pociski balistyczne
model matematyczny
symulacja komputerowa
Opis:
A mathematical-physical model of a supersonic missile was built, taking into account the mass and inertia properties. The model was implemented in the MathCAD14 simulation program. A numerical analysis of the missile ballistics was conducted and basic parameters were determined: range, altitude, velocity and acceleration, which enabled a test range program for manufactured missile models to be drawn up. Initial flight tests of missiles were carried out at the test range. Satisfactory accordance of experimental and theoretical dynamic parameters of the missile under study was obtained.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2015, 63, 1; 229-233
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The role of simulation-based training in neonatal cardiopulmonary resuscitation complicated by meconium aspiration syndrome
Autorzy:
Zych, B.
Błaż, W.
Muster, M.
Kraśnianin, E.
Wróbel, R.
Kremska, A.
Błajda, J.
Raba, G.
Powiązania:
https://bibliotekanauki.pl/articles/2087796.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Opolski. Instytut Nauk o Zdrowiu
Tematy:
newborns
simulation
meconium aspiration syndrome
cardiopulmonary resuscitation
education
midwives
Opis:
Background: The use of simulation-based training is strategic in training medical staff. Aim of the study: The aim of the study was to assess the knowledge and skills of performing neonatal CPR (cardiopulmonary resuscitation) complicated by the presence of meconium in the respiratory tract in two groups of midwives (trained in the traditional tutorial-based model vs simulation-based training) with an interactive neonatal manikin. Material and methods: The knowledge and practical skills assessment was conducted in two groups of midwives. The knowledge of the participants was assessed using both a written test consisting of 25 control questions (5 questions on meconium aspiration syndrome, 20 on neonatal CPR) and practical skills including 12 activities (1-initial, 9-proper, 2-final). The complex “success” indicator was determined based on the effects of patient resuscitation (15 minutes of the scenario), and the reference point for knowledge and skills was to obtain a minimum of 70% correct answers/activities performed, evaluated by three independent experts. Results: In the knowledge test, the respondents scored 17.93 ± 3.11 points out of 25 (71.7%). Practical skills for all respondents were 17.57 ± 2.49 points out of 21 (83.66%), with a tendency to obtain higher points in cleaning of the airways and stimulation of the newborn, and lower for ventilation and the use of an alternative method of intubation. Despite the similar level of practical skills in both groups, only a higher statistical tendency was observed in three out of nine instrumented “proper activities” in the simulation trained midwives. Conclusions: The scenario used by us assessing the knowledge and skills of midwives taught in traditional tutorial-based and simulation-based training, indicates the advantage of acquiring individual competences in a short time using simulation-based training. This increasingly popular scientific model allows the acquisition of “invasive” competencies, but it requires further research.
Źródło:
Medical Science Pulse; 2020, 14, 3; 25-30
2544-1558
2544-1620
Pojawia się w:
Medical Science Pulse
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Properties and activity of the cobalt catalysts for NH3 &enspsynthesis obtained by co-precipitation – the effect of lanthanum addition
Autorzy:
Zybert, M.
Karasińska, M.
Truszkiewicz, E.
Mierzwa, B.
Raróg-Pilecka, W.
Powiązania:
https://bibliotekanauki.pl/articles/778653.pdf
Data publikacji:
2015
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
ammonia synthesis
cobalt catalyst
promoter
lanthanum
coprecipitation
Opis:
In modern research on catalysts for NH3&enspsynthesis a lot of attention is paid to cobalt. In this work the new catalytic systems based on cobalt are presented. Unsupported cobalt catalysts singly promoted (La or Ba) and doubly promoted (La and Ba) were prepared and tested in NH3&enspsynthesis reaction under commercial synthesis conditions. Characterization studies revealed that lanthanum plays a role of a structural promoter, which improves the surface of catalyst precursors and prevents from sintering during calcination. However, lanthanum has a negative effect on the reduction of cobalt oxide, but the addition of barium promoter (Co/La/Ba catalyst) diminishes the negative impact of La. The co-promotion of cobalt with lanthanum and barium results in the increasing of the active phase surface and improvement of its activity in NH3&enspsynthesis.
Źródło:
Polish Journal of Chemical Technology; 2015, 17, 1; 138-143
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of change in the structure of distribution system on incurred cost
Autorzy:
Zwolińska, B.
Michlowicz, E.
Powiązania:
https://bibliotekanauki.pl/articles/223508.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
distribution structure
cargo flow process
cost model
supply chain
struktura dystrybucji
procesy przepływu ładunków
model kosztowy
łańcuch dostaw
Opis:
In multi-tier distribution, in addition to suppliers and consumers there are also intermediaries who participate in the transfer of products from manufacturers to end consumers. The choice of the distribution system depends on the optimisation of the performance indicators for servicing an area, taking into account the technical capabilities of the individual logistics chain links. The paper compares two typical distribution structures in the construction sector. The choice of the structure is a function of the manufacturer’s economic and organisational determinants. The paper presents a model representing the costs of two typical distribution structures in the construction sector. The choice of the structure depends on the company’s outsourcing policy and total costs of all three major system components: the distribution network, transport network, and warehousing. Rationally built and implemented functioning models are a key element of business success in the marketplace. The choice of a suitable strategy is difficult, as it depends on many dynamically changing parameters which directly affect costs. In addition, the relations between the system elements are very complex and interdependent.
Źródło:
Archives of Transport; 2016, 39, 3; 87-94
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Logistics costs in the waste disposal system on the example of a steel mill
Autorzy:
Zwolińska, B.
Michlowicz, E.
Powiązania:
https://bibliotekanauki.pl/articles/343825.pdf
Data publikacji:
2011
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
industrial waste management
ecosystem
logistics system
Opis:
An industrial waste management system is a set of processes enabling space-time transformations along with quantity and quality changes aiming at the reduction of negative influence of the industry on the ecosystem. One of the ways of controlling the destructive impact of waste on the environment is recycling. There is no type of residue that cannot be reutilized having suitable technologies and financial resources. An important part of a company's development strategy is the profit and expenditure account. This article presents the overall costs generated within the waste management system of a full production cycle steel mill. The costs have been grouped by objects according to the criteria of main logistics processes realized within the waste management system.
Źródło:
Total Logistic Management; 2011, 4; 167-176
1689-5959
Pojawia się w:
Total Logistic Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pert method in material’s flow continuity improvement in convergent production structure
Autorzy:
Zwolińska, B.
Michlowicz, E.
Werbińska, M.
Powiązania:
https://bibliotekanauki.pl/articles/409588.pdf
Data publikacji:
2018
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
beta-PERT distribution
PERT
production system
Opis:
In the article there is a presentation of PERT method in calculation of production tasks beginning time. Main aim was to point out activities which determine production’s beginning in convergent production system.In analysis there was an usage of complex systems theory and there were several stages of decomposition into single production streams. In the work there is a presentation of a model which sets the moment of production processes beginning in a production structure which is characterized by high level of processes’ repetitions with different production parameters.
Źródło:
Research in Logistics & Production; 2018, 8, 2; 143--153
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of Lean Toolbox for Identification of Waste
Autorzy:
Zwolińska, B.
Smolińska, K.
Michlowicz, E.
Powiązania:
https://bibliotekanauki.pl/articles/409294.pdf
Data publikacji:
2016
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
materials flow
lean production methods
Opis:
Business management according to the Lean Management concept is a constant and comprehensive process of implementing changes in process and organizational structure. Some of the key elements in production management according to the Lean concept include: correcting mistakes (e.g. TQM), eliminating the existing Muda (e.g. Kaizen, 5S) increasing effectiveness of value adding processes (e.g. TPM) and reducing duration of activities that are essential, but do not generate added value (e.g. SMED). The article involves examples of using tools of the Lean toolbox (i.e. VSM, Spaghetti plot) at the stage of identifying losses in a chosen production process.
Źródło:
Research in Logistics & Production; 2016, 6, 3; 207-216
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Shell Ocean Discovery XPRIZE Competition Impact on the Development of Ocean Mapping Possibilities
Autorzy:
Zwolak, K.
Zarayskaya, Y.
Wigley, R. A.
Lacerda, C.
Ketter, T.
Anderson, R.
Bazhenova, E.
Bohan, A.
Dorshow, W.
Elsaied, M.
Fitzcarrald, A.
Falconer, R.
Kearns, T.
Proctor, A.
Roperez, J.
Ryzhov, I.
Sade, H.
Sattiabaruth, S.
Simpson, B.
Sumiyoshi, M.
Tinmouth, N.
Powiązania:
https://bibliotekanauki.pl/articles/320936.pdf
Data publikacji:
2018
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
ocean mapping
bathymetry
AUV/USV
echosounder
hydrography
Opis:
The paper presents the impact that the XPRIZE Foundation competition, the Shell Ocean Discovery XPRIZE, has had on the development of current ocean mapping possibilities. A race for the prize has accelerated the development of innovative seabed mapping approaches that concentrated on new systems engineering or cutting-edge and innovative methods of existing equipment exploitation. The GEBCO - Nippon Foundation (NF) Alumni Team’s entry is presented in details as a state of the art example of mature and robust ocean-mapping solution utilizing a high degree of autonomy and providing the possibilities of deep-ocean mapping that were unattainable before.
W artykule przedstawiono wpływ konkursu Shell Ocean Discovery XPRIZE na rozwój współczesnych technik mapowania głębokowodnych obszarów oceanicznych. Wyścig po główną nagrodę stał się motywacją do pracy nad innowacyjnymi metodami eksploracji głębin i nowatorskim wykorzystaniem istniejących systemów. Przykładem jest przedstawiony szczegółowo system zaproponowany przez drużynę GEBCO - Nippon Foundation (NF) Alumni. Połączenie sprawdzonego pojazdu podwodnego (Hugin) z nową, zaprojektowaną w ramach udziału w konkursie jednostką nawodną (SEA-KIT) tworzy nieistniejące wcześniej możliwości pozyskiwania danych o ukształtowaniu dna akwenów głębokowodnych.
Źródło:
Annual of Navigation; 2018, 25; 125-136
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mieszane zakazenie dermatofitami u kota
Autorzy:
Zwierzynska, E
Dworecka-Kaszak, B.
Powiązania:
https://bibliotekanauki.pl/articles/837477.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
choroby skory
choroby pasozytnicze
zakazenia grzybicze
koty
dermatofity
parazytologia
Opis:
Skin mycoses in animals are mostly caused by Microsporum canis, Microsporum persicolor, Microsporum gypseum and in rare cases by Trichophyton mentagrophyres. As a rule only one dermatophyte species is isolated from skin lesions, but at times mixed infection with bacteria occur. In the described case in a cat with typical dermatomycosis, Microsporum canis and Trichophyton mentagrophytes were isolated simultaneously. To the best of our knowledge this is the first case of mixed dermatophyte infection to be descibed in the cat. This paralell infection may suggests, that primary infection of one dermatophyte does not prevent the animal from a secondary infection.
Źródło:
Annals of Parasitology; 2001, 47, 4; 639-646
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 2239

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