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    Wyświetlanie 1-13 z 13
    Tytuł:
    Coordination and propulsion and non-propulsion phases in 100 meters breaststroke swimming
    Autorzy:
    Strzała, M.
    Krężąłek, P.
    Kucia-Czyszczoń, K.
    Ostrowski, A.
    Stanula, A.
    Tyka, A. K.
    Sagalara, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/307098.pdf
    Data publikacji:
    2014
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    sport
    pływanie
    kinematyka
    klatka piersiowa
    biomechanika
    water sport
    breaststroke
    body length
    kinematic indices
    Opis:
    Purpose: The main purpose of this study to analyze the coordination, propulsion and non-propulsion phases in the 100 meters breaststroke race. Methods: Twenty-seven male swimmers (15.7±1.98 years old) with the total body length (TBL) of 247.0±10.60 [cm] performed an all-out 100m breaststroke bout. The bouts were recorded with an underwater camera installed on a portable trolley. The swimming kinematic parameters, stroke rate (SR) and stroke length (SL), as well as the coordination indices based on propulsive or non-propulsive movement phases of the arms and legs were distinguished. Results: Swimming speed (V 100surface breast ) was associated with SL (R=0.41, p<0.05) and with TBL tending towards statistical significance (R=0.36, p<0.07), all relationships between the selected variables in the study were measured using partial correlations with controlled age. SL interplayed negatively with the limbs propulsive phase Overlap indicator (R=-0.46, p<0.05), but has no significant relationship to the non-propulsion Glide indicator. Conclusions: The propulsion in-sweep (AP3) phase of arms and their non-propulsion partial air recovery (ARair) phase interplayed with V 100surface breast (R=0.51, p<0.05 and 0.48 p<0.05) respectively, displaying the importance of proper execution of this phase (AP3) and in reducing the resistance recovery phases in consecutive ones.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2014, 16, 4; 83-89
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zróżnicowanie wielkości ciała gatunków rodzaju Carabus w Puszczy Białowieskiej
    Autorzy:
    Skłodowski, J.W.
    Powiązania:
    https://bibliotekanauki.pl/articles/1022310.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    owady
    entomologia lesna
    lesnictwo
    biegaczowate
    wielkosc
    Puszcza Bialowieska
    Carabus
    Carabidae
    białowieża primeval forest
    body length
    carabidae
    competition avoidance
    Opis:
    Nearly 27 000 individuals of 10 species belonging to the Carabus genus were caught on over 160 research plots in 13 different habitats in the Białowieża Primeval Forest, Poland. The body length of eight species was analysed. The mean body length ratio of two adjacent species ranged between 1.00−1.10, irrespective of the number of the number of Carabus species in the assemblage. The mean ratio of the smallest to the largest species increased with the number of species in the assemblage. To study coexistence mechanisms further, automatic traps were used to catch carabid beetles in decaying stumps and tree holes. In tree holes, the species C. hortensis was caught in the greatest numbers. Morphological differences and ecological preferences suggest spatio−temporal niche partitioning as the main coexistence mechanism for Carabus species in this forest.
    Źródło:
    Sylwan; 2005, 149, 02; 50-59
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A large xenusiid lobopod with complex appendages from the Lower Cambrian Chengjiang Lagerstatte
    Autorzy:
    Liu, J
    Shu, D.
    Han, J.
    Zhang, Z.
    Zhang, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/21541.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Chengjiang Lagerstatte
    Lobopodia
    China
    arthropod
    Jianshanopodia decora
    large lobopod
    lobopod
    body length
    Arthropoda
    Xenusiidae
    Cambrian
    paleontology
    Lower Cambrian
    Opis:
    A large lobopod, Jianshanopodia decora gen. et sp. nov., with body length (excluding appendages) about 220 mm from the Lower Cambrian Haikou section, near Kunming, Yunnan, southwest China, shows a mixture of characters, including features of the lobopod Xenusion Pompeckj, 1927, e.g., a large cylindrical body with annulations, stout and strong lobopod appendages each bearing bases of serial tubercles, and of Aysheaia Walcott, 1911, i.e., a pair of large frontal appendages. This suggests that the new genus might be a connecting link between Xenusion and Aysheaia. Besides, Jianshanopodia shares some features with the Early Cambrian stem group arthropod Pambdelurion Budd, 1997, and Kerygmachela Budd, 1993, e.g., the pairs of mid−gut diverticula, the possible presence of tail fan, the mouth cone, the frontal pharyngeal structures and the pharynax are surrounded by the bases of the large frontal appendages. However, compared with a series of segmentally arranged, imbricating, paddle−shaped, movable lateral flaps of both Pambdelurion and Kerygmachela, Jianshanopodia possesses distinct complex appendages with tree−like or lamellate branches. The discovery of this rare transitional form not only throws new light on the early diversification of lobopods, and may also have significance with respect to the origin of arthropods.
    Źródło:
    Acta Palaeontologica Polonica; 2006, 51, 2
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wnioskowanie o wpływie czynników klimatycznych na kształtowanie się wybranych parametrów antropometrycznych noworodka w aspekcie zmienności sezonowej
    Impact of climate factors on selected infant anthropometric parameters in the seasonal variation context
    Autorzy:
    Pierzak-Sominka, J.
    Rudnicki, J.
    Czajkowska, M. A.
    Czajkowski, A. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/135998.pdf
    Data publikacji:
    2013
    Wydawca:
    Wyższa Szkoła Techniczno-Ekonomiczna w Szczecinie
    Tematy:
    urodzeniowa masa ciała
    długość ciała
    obwód głowy
    noworodek
    zmienność sezonowa
    birth weight
    body length
    head circumference
    newborn
    seasonal variability
    Opis:
    Wstęp i cel: W literaturze tematu dostępne są dyskusyjne wzmianki o wpływie czynników klimatycznych na rozwój płodu i efektów wpływu tych działań na kształtowanie się poszczególnych parametrów antropometrycznych u noworodków. Głównym celem pracy jest ocena wpływu czynników klimatycznych na kształtowanie się wybranych parametrów antropometrycznych noworodka, w aspekcie zmienności sezonowej. Materiał i metody: Z kart historii rozwoju noworodka, metodą wywiadu medycznego określono: wiek ciążowy noworodka. Informacje o stanie noworodka po urodzeniu, czyli: urodzeniową masę ciała, długość ciała, obwód głowy. Pomiary antropologiczne noworodków wykonano posługując się ogólnie przyjętą metodyką pomiarową (Schultz,1929; Scammon i Calkins,1929; Bożiłow i Sawicki,1980; Bożiłow i Malinowski,1997). Wyniki: Badanie wpływu czynników klimatycznych na kształtowanie się wymienionych parametrów antropometrycznych wśród badanych noworodków nie wykazało istotnych statystycznie różnic w aspekcie zmienności sezonowej. Wniosek: Termin prokreacji nie wpływa znacząco na kształtowanie się parametrów antropometrycznych noworodka.
    Introduction and aim: In the literature are available discussion mention of the impact of climatic factors on fetal development and the effects of the impact of these activities on the development of specific anthropometric parameters in newborns. The main aim of this study is to assess the impact of climatic factors on the development of selected neonatal anthropometric parameters, in terms of seasonal variations. Material and methods: From the pages of history postnatal development, determined by medical history: gestational age newborn. Information about the state of the newborn after birth, namely: birth weight, body length, and head circumference. Anthropological measurements were performed using neonatal generally accepted measurement methodology (Schultz,1929; Scammon and Calkins,1929; Bożiłow and Sawicki,1980; Bożiłow and Malinowski,1997). Results: Research on the influence of climatic factors on the development of these anthropometric parameters of newborns tested showed no statistically significant differences in the aspect of seasonal variations. Conclusion: Selected polymorphisms of genes ASPM and MCPH one should be explored in the aspect of shaping structural and functional characteristics of the brain.
    Źródło:
    Problemy Nauk Stosowanych; 2013, 1; 161-166
    2300-6110
    Pojawia się w:
    Problemy Nauk Stosowanych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The characteristics of the newborn babies in Krosno (the podkarpackie voivodeship) born in 2011-2012
    Charakterystyka urodzeniowa noworodków krośnieńskich (województwo podkarpackie) urodzonych w latach 2011-2012
    Autorzy:
    Wandycz, Artur
    Biczysko, Grażyna
    Powiązania:
    https://bibliotekanauki.pl/articles/423753.pdf
    Data publikacji:
    2018
    Wydawca:
    Lubuskie Towarzystwo Naukowe
    Tematy:
    noworodki
    urodzeniowa długość ciała
    urodzeniowa masa ciała
    wiek płodowy
    wiek matki
    newborns
    birth weight
    birth body length
    gestational age
    maternal age
    Opis:
    This article aims to show how the weight and length of newborn babies depend on gestational age and mother's age. The study focused on the babies born in 2011-2012 in a hospital in Krosno (the Podkarpackie Voivodeship). Only live born children, born between the 38th and 42nd weeks of pregnancy, and with birth weight over 2500 g were taken into account. The results obtained allow stating that boys are on average heavier and longer than girls. The duration of pregnancy between the 38th and 42nd weeks is associated with an increase of birth weight and length of the body in the subsequent weeks of gestational age. In the case of boys, birth body weight and body length increase with mother's age.
    Celem niniejszej pracy jest przedstawienie charakterystyk liczbowych urodzeniowej masy i długości ciała dzieci urodzonych w latach 2011-2012 w szpitalu w Krośnie (województwo podkarpackie) oraz ocena wpływu wieku płodowego (między 38. a 42. tygodniem) i wieku matki na wielkość badanych cech urodzeniowych. W pracy przedstawiono dane dotyczące noworodków (żywych, z ciąż pojedynczych) urodzonych między 38. i 42. tygodniem ciąży i masie ciała przekraczającej 2500 g. Otrzymane wyniki pozwalają na stwierdzenie, że noworodki płci męskiej są przeciętnie cięższe i dłuższe od noworodków płci żeńskiej. Czas trwania ciąży między 38. a 42. tygodniem wiąże się ze zwiększaniem masy i długości ciała noworodków w kolejnych tygodniach wieku płodowego. Masa i długość ciała noworodków męskich zwiększa się wraz ze zwiększaniem wieku matki.
    Źródło:
    Rocznik Lubuski; 2018, 44, 2a; 117-125
    0485-3083
    Pojawia się w:
    Rocznik Lubuski
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pneumaticity and soft-tissue reconstructions in the neck of diplodocid and dicraeosaurid sauropods
    Autorzy:
    Schwarz, D
    Frey, E.
    Meyer, C.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/22875.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Dicraeosauridae
    pneumaticity
    cervical ligament
    morphology
    dicraeosaurid sauropod
    diplodocid sauropod
    sauropod
    Diplodocidae
    body length
    muscle
    ontogenesis
    tomography
    soft tissue reconstruction
    cervical musculature
    vertebral pneumaticity
    paleontology
    functional morphology
    Opis:
    The axial soft−tissue system in the neck of Dicraeosauridae and Diplodocidae, including pneumatic diverticula, ligaments, and muscles, is reconstructed on the basis of phylogenetic and functional morphological comparisons with extant crocodylians and birds and compared with other soft−tissue reconstructions for sauropods. Bifurcation of the neural spines separated the paired supraspinal ligament into two sheets. A paired interspinal septum was attached to the cranial and caudal margins of the neural spines. The dorsal and the lateral portions of the cervical musculature must have been strongly segmented, whereas the laterocostal portion was divided with one myoseptum per vertebral segment. The hypaxial cervical muscle was most probably small and only poorly segmented. In Diplodocidae and Dicraeosauridae, the distribution of external pneumatic structures is similar, whereas only Diplodocidae possess intraosseous pneumatic structures. Supravertebral pneumatic diverticula are reconstructed for both groups, which, together with dorsal ligaments filled the gap between the metapophyses of bifurcate neural spines. Comparisons between the vertebrae of juvenile and adult diplodocids strongly indicate that pneumatisation proceeded from the supramedullary diverticula into the neural arch and the neural spine. The regular branching pattern of the pneumatic cavities as well as the vertical I−beam construction of the vertebral corpora is interpreted as a consequence of the biomechanical constraints of the vertebral corpora in diplodocids. These reconstructions form the ground for functional morphological considerations in Diplodocidae and Dicraeosauridae while addressing the possible mechanical consequences of pneumatic structures for the integrity of the support system of the neck.
    Źródło:
    Acta Palaeontologica Polonica; 2007, 52, 1
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potential rate of reproduction for some geographically separate populations of Pseudocalanus spp.
    Autorzy:
    Dzierzbicka-Glowacka, L.
    Zielinski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/48822.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Pseudocalanus
    temperature
    body size
    egg production
    potential rate
    cephalothorax length
    female
    Opis:
    Quantitative expressions are presented describing the potential reproductive rate per individual female of Pseudocalanus spp. in several different waters (not reduced by food limitation) as a function of both temperature and cephalothorax length of females (one equation for each studied region). The calculations were made for some geographically separate populations of Pseudocalanus spp. from southwest Baffin Island, Nova Scotia, Long Island Sound, Scotland, as well as the southern North Sea and its adjacent waters (e.g. the English Channel). On the basis of the findings presented in this work and from other studies, the reproductive rate was computed as the mean number of eggs per sac divided by 1.25 times the embryonic duration at the given temperature. Also computed was the amount of egg matter produced per day as a percentage of body carbon (and dry weight) of female weight for all localities. The relationships for females from the southern North Sea were obtained for ‘viable eggs’, but they should be treated with reserve. A more suitable expression describing egg production in the southern North Sea is the equation for females from the English Channel obtained here. Our assumptions and approximations appear to predict quite well the temperature-length of female dependent daily rates of egg production of well-fed females of Pseudocalanus spp. for the above waters, and we suggest that they can be used to test the hypothesis more thoroughly.
    Źródło:
    Oceanologia; 2004, 46, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Some Details of Statistical Mechanics of Many-Body Systems in the Presence of a Measurable Minimal Length
    Autorzy:
    Alizadeh, A.
    Nozari, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1032577.pdf
    Data publikacji:
    2017-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    quantum gravity phenomenology
    statistical physics
    many-body systems
    minimal measurable length
    Opis:
    Different approaches to quantum gravity proposal such as string theory, doubly special relativity, and also black holes physics, all commonly address the existence of a minimal measurable length of the order of the Planck length. One way to apply the minimal length is changing the Heisenberg algebra in the phase space which is known as the generalized uncertainty principle. It is essential to apply this feature on the statistical mechanics of many body systems in the presence of a measurable minimal length scale in order to see the roles of this natural cutoff on physical phenomena. In this paper, some details of statistical mechanics of many body systems that have not been studied carefully in literature are studied in the presence of minimal length scale. The issues such as isomerization, the Liouville theorem, virial theorem and equipartition theorem are studied in this setup with details and the results are explained thoroughly.
    Źródło:
    Acta Physica Polonica A; 2017, 132, 4; 1329-1332
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The soccer-ball problem in quantum space
    Autorzy:
    Gnatenko, Khrystyna P.
    Tkachuk, Volodymyr M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1943007.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Gdańska
    Tematy:
    quantum space
    macroscopic body
    weak equivalence principle
    minimal length
    properties of kinetic energy
    Opis:
    The monograph is devoted to studies of the problem of a macroscopic body known as the soccer-ball problem in the frame of different deformed algebras leading to space quantization. It is shown that this problem can be solved in a deformed space with a minimal length, in a noncommutative phase space, in a space with a Lie-algebraic noncommutativity, in a twist-deformed space-time due to the relation of parameters of corresponding algebras with mass. In addition, we conclude that this relation gives a possibility to obtain a list of important results in quantum space including recovering the weak equivalence principle, preserving the properties of the kinetic energy, obtaining the Galilean and Lorentz transformations independent of the mass of the particle.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2019, 23, 4; 361-450
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Kinetics of Flexibly Fixed Operating Element of a Rotating Device
    Autorzy:
    Pluta, Z.
    Hryniewicz, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/412254.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    kinetics
    susceptibility
    device
    potential field
    time constant
    body trajectory
    path length
    velocity
    acceleration
    Opis:
    The work covers the adequate kinetics of the flexibly fixed working element of a rotating device. First the literature background of the problem has been presented, turning the attention on such systems where the phenomenon of centrifugal displacement of a body due to the rotating of the system occurs. Then the general characteristics of the complex motion of working element has been described. The core of the work is the description of the variable component motions, with the starting point of the description being the source differential equation, presenting this type of dependence of the path length on time. The accelerated angular motion and retarded radial motion have been separated, describing these component motions as the function of time. Based on these detailed descriptions, the trajectory equation of working element, the derivatives and further kinetic magnitudes, have been derived. In the conclusion, the cognitive and practical qualities of the presented solutions of the title problem, have been accented.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 3; 67-84
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of mercury in muscles, liver and gills of marine and freshwater fish
    Autorzy:
    Luczynska, J.
    Luczynski, M.J.
    Paszczyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/13699.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    fish
    total mercury
    mercury
    muscle
    liver
    gill
    marine fish
    freshwater fish
    body weight
    total length
    biotic factor
    condition factor
    Opis:
    In this study, the total mercury concentration was determined in the muscles, liver and gills of six fish species (rainbow trout Oncorhynchus mykiss Walb., carp Cyprinus carpio L., bream Abramis brama L., perch Perca fluviatilis L., ide Leuciscus idus L. and flounder Platichthys flesus L.). The fish were acquired from October to November 2012. Mercury was analyzed by atomic absorption spectrometry using thermal decomposition, compounds of mercury and amalgamation. The mercury content in fish organs reached 0.006-0.168 (in mg kgˉ¹ wet weight) in muscles, 0.001-0.027 in gills and 0.003-0.045 in the liver. The muscles of perch and ide had significantly more Hg compared to the other fish’s muscles (P≤0.05). The liver and gills of perch, ide and flounder contained more Hg than the same tissues of the other fish (P≤0.05). Generally, the highest Hg content was determined in muscles (except rainbow trout) (P≤0.05), whereas the lowest Hg content was found in gills (except perch) (P≤0.05). The content of Hg in gills of perch did not differ from the one in the liver (P>0.05). There was a positive correlation between the weight or length of a fish and the Hg concentration in its tissues, except for the length and Hg in the gills of carp. However, a statistically significant positive correlation between the body weight and the Hg levels in fish appeared only in the case of the organs of ide (P≤0.004) and muscles of carp (P≤0.038). The correlation between the factor condition and the content of Hg, albeit positive (0.106 < r < 0.811) except for the organs of flounder, was not statistically significant (P>0.05).
    Źródło:
    Journal of Elementology; 2016, 21, 1
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of mercury in muscles, liver and gills of marine and freshwater fish
    Autorzy:
    Luczynska, J.
    Luczynski, M.J.
    Paszczyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1189779.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    fish
    total mercury
    mercury
    muscle
    liver
    gill
    marine fish
    freshwater fish
    body weight
    total length
    biotic factor
    condition factor
    Opis:
    In this study, the total mercury concentration was determined in the muscles, liver and gills of six fish species (rainbow trout Oncorhynchus mykiss Walb., carp Cyprinus carpio L., bream Abramis brama L., perch Perca fluviatilis L., ide Leuciscus idus L. and flounder Platichthys flesus L.). The fish were acquired from October to November 2012. Mercury was analyzed by atomic absorption spectrometry using thermal decomposition, compounds of mercury and amalgamation. The mercury content in fish organs reached 0.006-0.168 (in mg kgˉ¹ wet weight) in muscles, 0.001-0.027 in gills and 0.003-0.045 in the liver. The muscles of perch and ide had significantly more Hg compared to the other fish’s muscles (P≤0.05). The liver and gills of perch, ide and flounder contained more Hg than the same tissues of the other fish (P≤0.05). Generally, the highest Hg content was determined in muscles (except rainbow trout) (P≤0.05), whereas the lowest Hg content was found in gills (except perch) (P≤0.05). The content of Hg in gills of perch did not differ from the one in the liver (P>0.05). There was a positive correlation between the weight or length of a fish and the Hg concentration in its tissues, except for the length and Hg in the gills of carp. However, a statistically significant positive correlation between the body weight and the Hg levels in fish appeared only in the case of the organs of ide (P≤0.004) and muscles of carp (P≤0.038). The correlation between the factor condition and the content of Hg, albeit positive (0.106 < r < 0.811) except for the organs of flounder, was not statistically significant (P>0.05).
    Źródło:
    Journal of Elementology; 2016, 21, 1; 113-129
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Vertical Fall of a Body Under Free Motion
    Autorzy:
    Pluta, Z.
    Hryniewicz, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/411583.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    material body
    kinetics
    free fall
    Path/way length
    velocity
    acceleration
    Inertia acceleration
    Gravitation acceleration
    time constant
    Way constant
    Gravitation number constant
    Opis:
    The paper aims at the kinetics of a body under free fall, especially free body motion, the motion occurring in the Earth environs space, that is in the range of the gravity action. A new adequate theory of such a motion, opening new not known kinetic magnitudes, has been elaborated. This theory has its source, which is the dependence of the way length on time. That is the way characteristics created in this work. The worked out theory has been verified by experiment, referred to two different realities. One of them was the body motion in the air environment of the Earth environs space, with the second one occurring in a determined machining space-time. The adequate earth acceleration/gravity has been calculated taking advantage of the theory elaborated; and its value, as indicated, is equal 3.85 mźs-2. Two kinds of accelerations have been separated: inertial and gravitational. The relations occurring between their values on the neighbouring potential fields, unstable, and stable, have been discovered. That discovery indicates on the existence of quantum nature of gravitation.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 4; 56-72
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-13 z 13

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