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    Wyświetlanie 1-38 z 38
    Tytuł:
    The Relationship Between the Levels of Stress and the Age and Years of Service of Military Firefighters From the Fire Rescue Corps of the Metropolitan Area of the State of Sao Paulo
    Autorzy:
    de Oliveira, R. S.
    de Barros Neto, T. L.
    da Silva, A. A.
    Grandi, J. L.
    Menezes, I. B. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/89950.pdf
    Data publikacji:
    2012
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    burnout
    professional
    age effect
    work hours
    firefighters
    Opis:
    Purpose. To verify the relationship between stress indicators and the age and years of service of military firefighters from the fire rescue corps of the metropolitan area of the state of Sao Paulo. Methods. Forty military firefighters with the mean age of 37.9 ± 5.4 years, from the 1st, 2nd and 8th fire brigades of the metropolitan area of Sao Paulo participated in this study. All underwent clinical, physical and psychological evaluations to verify the relationship between the age and years of service with the variables of levels of stress (tension, depression, anger, vigor, fatigue, confusion and total stress) on workdays and on days off. Results. On workdays, the mean scores for tension, depression, fatigue and stress were overall higher compared to those on days off. The older the firefighter, the higher the levels of stress, depression, anger and total stress. The more years of service, the greater the depression and anger. Conclusions. The levels of stress were high on workdays. Chronological age and years of service influenced the increase in the scores of stress.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2012, 18, 4; 579-586
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A review of the in vitro propagation of Bauhinia spp.
    Autorzy:
    Teixeira da Silva, J.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Ogrodnictwa
    Tematy:
    Bauhinia acuminata
    Bauhinia variegata
    Bauhinia purpurea
    Bauhinia monandra
    Bauhinia galpinii
    Bauhinia blakeana
    ornamental plant
    liana
    in vitro propagation
    medicinal property
    biological property
    future perspective
    Źródło:
    Journal of Horticultural Research; 2013, 21, 1
    2300-5009
    Pojawia się w:
    Journal of Horticultural Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Inappropriate Use of Submission and Rejection Emails for Advertising Revision Services and Congresses
    Autorzy:
    Teixeira da Silva, Jaime A.
    Powiązania:
    https://bibliotekanauki.pl/articles/29433370.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    Conferences
    editing services
    editor
    editorial manager
    email advertizing
    online submission system
    persuasion
    Opis:
    Finding a niche journal for the submission of an academic paper can sometimes be a challenge for authors, and finding the right choice may involve a series of submissions and rejections. Emails from editors and journals related to the submission or rejection of a paper should be strictly related to these purposes, i.e., to inform authors that their paper has been received, outline the subsequent editorial handling or peer reviewer steps in the former, or the reasons for rejection in the latter. This paper highlights four cases of - in the author’s opinion - the abuse of such emails by COPE member journals and publishers (Emerald Publishing Ltd., Springer Nature, Elsevier, Wiley) to advertise for-profit English revision and editing services and/or conferences, as a way to maximize these emails for a dual purpose, namely to inform authors of submission-related aspects (valid communication) while also trying to obtain clients and thus business for non-submission-related aspects (invalid communication). Since an abuse of email-based communication for non-academic purposes is an ethics-related matter, there is a need for systematic research of this potential abuse of emails from both COPE member and non-member journals.
    Źródło:
    Ethics in Progress; 2023, 14, 2; 68-76
    2084-9257
    Pojawia się w:
    Ethics in Progress
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Does the Nobel Prize reflect current scientific and academic values?
    Autorzy:
    Teixeira da Silva, Jaime A.
    Powiązania:
    https://bibliotekanauki.pl/articles/28635936.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    citations and rewards
    conflict and conflict resolution
    controversy
    fame
    gender balance
    polemic
    recognition
    stature and standing
    Opis:
    This opinion paper puts forward arguments that reflect how science’s most elite prize, the Nobel Prize may be, despite its grand stature, somewhat out of touch with the functionality of grassroots science. There is a disconnect between limited fields of study to which the prize is awarded and the interdisciplinary nature of complex research. This is the first weakness. The second limitation is the focus on a single individual, occasionally on two or three when the prize is divided, even though much research is frequently collaborative. This is particularly true in the biomedical and natural sciences, which tend to involve individuals with multiple skills, each or all of whom may be equally deserving of the Nobel Prize, given their collective participation. The Nobel Prize also tends to display poor cultural, linguistic and gender representation and/or bias. Finally, retractions of papers by select Nobel Prize laureates suggest that even these elite academics are not immune to the ills of science and academic publishing and that affect all scientists in a complex global web.
    Źródło:
    Filozofia Publiczna i Edukacja Demokratyczna; 2021, 10, 1; 1-18
    2299-1875
    Pojawia się w:
    Filozofia Publiczna i Edukacja Demokratyczna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Can a tank 'umbrella' protect the turret of a main battle tank?
    Czy czołgowy „parasol” może chronić wieżę czołgu podstawowego?
    Autorzy:
    Teixeira da Silva, Jaime A.
    Powiązania:
    https://bibliotekanauki.pl/articles/29521128.pdf
    Data publikacji:
    2023
    Wydawca:
    Akademia Wojsk Lądowych imienia generała Tadeusza Kościuszki
    Tematy:
    anti-tank guided missile
    turret
    turret hatch
    turret ring
    unmanned aerial vehicle
    przeciwpancerny pocisk kierowany
    wieża
    właz wieży
    pierścień wieży
    bezzałogowy statek powietrzny
    Opis:
    In response to the destruction of the hatch of main battle tanks, as has been evidenced in the on-going Russo-Ukrainian War, when a bomb or other explosive device is dropped onto the tank or its turret from above, a protective structure that deflects the device from causing harm to the turret – and thus the tankers – is desirable. This concept paper discusses one possibility: a tank 'umbrella', which offers, at least in theory, protection to the turret and tankers.
    Tocząca się wojna rosyjsko-ukraińska udowodniła potrzebę wynalezienia konstrukcji chroniącej czołg podstawowy, zwłaszcza jego wieżę, przed zniszczeniem przez bombę albo inny ładunek wybuchowy zrzucon z góry. Niniejszy komunikat z badań opisuje jeden z możliwych pomysłów – czołgowy „parasol”, który zapewnia, przynajmniej w teorii, ochronę wieży czołgu i czołgistów.
    Źródło:
    Scientific Journal of the Military University of Land Forces; 2023, 55, 4(210); 361-366
    2544-7122
    2545-0719
    Pojawia się w:
    Scientific Journal of the Military University of Land Forces
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    How do rare earth elements (lanthanoids) affect root development and protocorm-like body formation in hybrid Cymbidium?
    Autorzy:
    Teixeira da Silva, J.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2174.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Ogrodnictwa
    Tematy:
    lanthanide
    root development
    orchid
    protocorm-like body
    rare earth element
    root formation
    plant growth regulator
    Cymbidium
    Źródło:
    Journal of Horticultural Research; 2014, 22, 1
    2300-5009
    Pojawia się w:
    Journal of Horticultural Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    From palaeosols to carbonate mounds: facies and environments of the middle Frasnian platform in Belgium
    Autorzy:
    Silva da, A. C.
    Boulvain, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/2058840.pdf
    Data publikacji:
    2004
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Belgium
    middle Frasnian
    carbonate platform
    palaeogeography
    facies
    carbonate mounds
    Opis:
    This paper provides a synthetic sedimentological overview of themiddle Frasnian carbonate platform of Belgium and associated carbonate mounds. Carbonate mounds started usually in a relatively deep, quiet subphotic environment with a crinoid-coral-sponge assemblage, then reached the fair-weather wave base and the euphotic zone with an algal-microbial facies. The upper parts of themounds are characterised by lateral facies differentiation with the algal-microbial facies protecting a central sedimentation area with a dendroid stromatoporoids facies and fenestral limestone. The lateral facies reflect different kinds of input of reworked mound material in the proximal area, from transported fine-grained sediment to coarse-grained fossil debris. On the platform, environments range from the outer zone (crinoidal facies) to stromatoporoid-dominated biostromes and to the lagoonal area of the inner zones (subtidal facies with Amphipora floatstone, algal packstone, intertidal mudstone and laminated peloidal packstone and palaeosols). These facies are stacked in metre-scale shallowing-upward cycles. The larger scale sequential organisation corresponds to transgressions and regressions, whose cycles are responsible for differentiating a lower open-marine biostrome dominated unit from an upper lagoonal unit. The last regression- transgression cycle, responsible for the platform-scale development of lagoonal facies, can be correlated with an atoll-stage evolution of the carbonate mounds belonging to the Lion Member.
    Źródło:
    Geological Quarterly; 2004, 48, 3; 253--266
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Recent advances and novelties in the thin cell layer-based plant biotechnology – a mini-review
    Autorzy:
    Da Silva, J.A.T.
    Dobranszki, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/80834.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    thin cell layer
    fruit
    vegetable
    in vitro culture
    micropropagation
    organogenesis
    somatic embryogenesis
    plant biotechnology
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2019, 100, 1
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The pustulated temnospondyl revisited - a plagiosternine plagiosaurid from the Lower Triassic of Brasil
    Autorzy:
    Dias-Da-Silva, S
    Milner, A.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/23465.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    temnospondyl
    plagiosternine plagiosaurid
    Lower Triassic
    Triassic
    paleontology
    Brazil
    plagiosaurid
    systematics
    morphology
    Opis:
    A recent contribution published in this journal (Dias−daSilva and Ilha 2009) reported a dermal skull fragment indicating the presence of a putative plagiosauroid temnospondyl in the Lower Triassic Sanga do Cabral Formation of the Paraná Basin, Southern Brazil. The taxonomic assignation of this specimen was necessarily tentative as it was based on circumstantial evidence, specifically the presence of a dense pustular ornamentation over four partial dermal skull bones, consideration of the described taxa known to bear such ornamentation, and the stratigraphic and paleobiogeographic range of such taxa. Therefore, Diasda−Silva and Ilha (2009) could not be totally certain about the plagiosauroid affinities of the new specimen and ascribed it to ?Plagiosauridae. It was particularly difficult to make a precise osteological identification of the specimen and six alternative osteological interpretations were made in comparison to both Gerrothorax and Peltobatrachus (see Dias−da−Silva and Ilha 2009: fig. 2). In spite of the poor taxonomic resolution, the new specimen raised interesting questions regarding the presence of plagiosauroid stereospondyls in western Gondwana, as well as their evolutionary patterns, biostratigraphic and paleobiogeographic implications. After Dias−da−Silva and Ilha's (2009) contribution was published, new data from Damiani et al. (2009) raised the possibility of narrowing down the taxonomic identity of the plagiosauroid from Brazil. Accordingly, this brief report provides a more precise taxonomic assignation for this material.
    Źródło:
    Acta Palaeontologica Polonica; 2010, 55, 3; 561-563
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Anthropometric indicators of obesity in policemen: A systematic review of observational studies
    Autorzy:
    Da Silva, Franciele C.
    Hernandez, Salma S.
    Gonçalves, Elizandra
    Arancibia, Beatriz A.
    Da Silva Castro, Thiago L.
    Da Silva, Rudney
    Powiązania:
    https://bibliotekanauki.pl/articles/2178909.pdf
    Data publikacji:
    2014-12-01
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    obesity
    police
    systematic review
    observational study
    Opis:
    The aim of this paper was to summarize scientific literature on obesity in policemen through a systematic review of observational studies. For this purpose the following electronic databases were selected: Medline by Pubmed, CINAHL, and Scopus; and a manual search of the referenced studies concerning this topic was performed. There were no restrictions with respect to the year or language of the publication. Twenty-three studies were identified and 9 articles, considered as potentially relevant, were included. The labor time, shift and career progression promoted changes in body composition. Most of the policemen taking part in the studies included in this paper were overweight (BMI: 25.2–29.3), obese (body fat ≥ 25%), had increased waist (90.4–102 cm) and abdominal perimeters (18.9–90.5 cm), and had a higher risk of chronic disease, which is associated with depression and stress development. Interventional studies are needed for the purpose of proposing preventive and rehabilitation programs, which would result in providing physical and mental well-being, improvement of life quality and, especially, prevention of obesity related to police work.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2014, 27, 6; 891-901
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On the presence of a pustulated temnospondyl in the Lower Triassic of southern Brazil
    Autorzy:
    Dias-da-Silva, S.
    Ramos Ilha, A.L.
    Powiązania:
    https://bibliotekanauki.pl/articles/22350.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    temnospondyl
    Lower Triassic
    Brazil
    Temnospondyli
    Plagiosauridae
    paleobiogeography
    Sanga do Cabral Formation
    Sangaia lavinai
    South America
    Opis:
    The fossil record of temnospondyls in South America has been greatly expanded in the last 10 years, increasing their overall significance. They occur in Argentina, Brazil, and Uruguay, and range from the Guadalupian to the Late Triassic. The Early Triassic temnospondyl record in southern Brazil is mainly composed of fragmentary specimens, usually represented by dermal skull bones from the Sanga do Cabral Formation. Some of these fragments were tentatively referred to Lydekkerinidae and Rhytidosteidae based on their characteristic ridge−grooved “spider−web” pattern of ornamentation. In this contribution we report, for the first time, a temnospondyl skull fragment with pustulated sculpturing pattern, which is tentatively ascribed to Plagiosauridae. This new record could indicate the presence of a new temnospondyl taxon for the Lower Triassic of South America.
    Źródło:
    Acta Palaeontologica Polonica; 2009, 54, 4
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Metro as an example of an urban rail system. Four case studies from Europe
    Metro jako przykład zurbanizowanego systemu kolejowego.Cztery przykłady z Europy
    Autorzy:
    Fraszczyk, A.
    Magalhaes Da Silva, J.
    Gwóźdź, A.
    Vasileva, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/374208.pdf
    Data publikacji:
    2014
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    metro system
    urban rail system
    comparisons
    ticketing
    system metro
    system kolei miejskich
    porównania
    specyfikacja techniczna
    bilet
    Opis:
    Underground, tube, subway or metro are common expressions used to describe a rapid transit system serving urban areas. Such a system uses dedicated rail corridors, can run underground or overground, and often includes tunnels and viaducts. Although there are 148 cities in the world with metro systems, each system is different, interms of layout, length, capacity, etc., as it serves different geographical and socioeconomical areas. In this context, the paper presents four European metro systems (Sofia, Warsaw, Lisbon, and Tyne and Wear), introduces the systems dimensions, rolling stock and ticketing strategies and compares similarities and differences between the systems. The analyses suggest a number of recommendations and improvements, which if implemented, could benefit other metro systems in Europe and beyond.
    W języku angielskim występuje wiele określeń opisujących metro. System ten wykorzystuje dedykowane korytarze kolejowe, mogące pracować pod ziemią lub nad ziemią i często obejmuje tunele oraz wiadukty. Mimo że istnieje na świecie 148 miast mających systemy metra, każdy system jest inny pod względem układu, długości, pojemności itp., ponieważ występują w różnych układach geograficznych i systemach społeczno-ekonomicznych. W tym kontekście, artykuł prezentuje cztery europejskie systemy metra (Sofii, Warszawy, Lizbony i Tyne and Wear), przedstawia wymiary systemów metra, taboru, strategię biletową i porównuje podobieństwa i różnice pomiędzy nimi. Analizy wskazują wiele zaleceń i usprawnień, które jeżeli zostaną wdrożone, mogą przynieść zysk dla systemów metra w Europie i poza nią.
    Źródło:
    Transport Problems; 2014, T. 9, z. spec.; 101-108
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Date palm (Phoenix dactylifera L.) biotechnology: a mini-review
    Autorzy:
    Khokhar, M.I.
    Teixeira da Silva, J.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/79817.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    date palm
    Phoenix dactylifera
    acclimatization
    adventitious shoot
    explant
    organogenesis
    multiplication
    rooting
    shoot elongation
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2017, 98, 2
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    In vitro propagation of Nepalese orchids: a review
    Autorzy:
    da Silva, J.A.T.
    Acharya, K.P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1932.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Ogrodnictwa
    Tematy:
    in vitro propagation
    Nepal
    Orchidaceae
    orchid
    seed germination
    tissue culture
    germplasm
    Źródło:
    Journal of Horticultural Research; 2014, 22, 2
    2300-5009
    Pojawia się w:
    Journal of Horticultural Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Foliar treatment with proline and tyrosine affect the growth and yield of beetroot and some pigments in beetroot leaves
    Autorzy:
    El-Sherbeny, M.R.
    Teixeira da Silva, J.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Ogrodnictwa
    Tematy:
    Beta vulgaris
    red beet
    pigment content
    chlorophyll
    carotenoid
    proline
    tyrosine
    carbohydrate content
    foliar treatment
    vegetative growth
    yield
    Źródło:
    Journal of Horticultural Research; 2013, 21, 2
    2300-5009
    Pojawia się w:
    Journal of Horticultural Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Driver safety in relation to the post-ac cident vehicle reparation
    Bezpieczeństwo kierowcy w relacji do naprawy powypadkowej pojazdu
    Autorzy:
    Hadryś, D.
    Miros, M.
    Węgrzyn, T.
    da Silva, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/374453.pdf
    Data publikacji:
    2012
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    bezpieczeństwo bierne
    nadwozie pojazdów
    kolizja
    zwalnianie
    deformacja plastyczna
    passive safety
    vehicle body
    collision
    deceleration
    plastic deformation
    Opis:
    The paper presents the basic criteria for estimation of the post-accident reparation of a vehicle body. The article made reference to deceleration during an impact, to deformation of the vehicle body (as a result of a collision) and to the coefficient of restitution that describes such a collision.
    W artykule przedstawiono podstawowe kryteria pozwalające na ocenę powypadkowej naprawy nadwozia pojazdu. Odniesiono się do wartości opóźnienia podczas zderzenia, deformacji nadwozia w wyniku zderzenia i wartości współczynnika restytucji, opisującego zderzenie.
    Źródło:
    Transport Problems; 2012, 7, 4; 25-32
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Simple Localized-Itinerant Model for PrAl$\text{}_{3}$: Crystal Field and Exchange Effects
    Autorzy:
    Von Ranke, P. J.
    Palermo, L.
    Da Silva, X. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1891680.pdf
    Data publikacji:
    1991-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    75.10.Dg
    75.30.Cr
    Opis:
    We present a simple magnetic model for PrAl$\text{}_{3}$. The effects of crystal field are treated using a reduced set of levels and the corresponding wave functions are extracted from the actual crystal field levels of Pr$\text{}^{+3}$ in a hexagonal symmetry. The exchange between 4f- and conduction-electrons are dealt within a molecular field approximation. An analytical magnetic state equation is derived and the magnetic behaviour discussed. The parameters of the model are estimated from a fitting of the inverse susceptibility of PrAl$\text{}_{3}$ given in the literature.
    Źródło:
    Acta Physica Polonica A; 1991, 80, 4; 583-590
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    CUBAN SOFT POWER: FROM REVOLUTIONARY CHARISMA TO SOCIAL DIPLOMACY
    Autorzy:
    DA SILVA, Marcos Antonio
    VRECHE, Carla Cristina
    JOHNSON, Guillermo A.
    Powiązania:
    https://bibliotekanauki.pl/articles/555844.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Warszawski. Instytut Studiów Iberyjskich i Iberoamerykańskich
    Tematy:
    Cuban Revolution
    Soft Power
    Social Diplomacy
    Opis:
    This article analyzes the international projection of the Cuban Revolution, discussing the contours of its soft power that contributed to international reintegration. After this concept discussing briefly and focusing on the transformation of contemporary international scene, it analyzes the change of use of soft power in the revolutionary process in Cuba. In this sense, it points out that such power was, in the golden years of the Revolution (the 60s and the 70s), based on the revolutionary aura and the charisma of its leaders (Fidel Castro, Che Guevara and others) and that, in the first decade of this century, it acquired new supported contours through the emergence of Social Diplomacy, i.e. cooperation in the field of social services (health, education and sports, among others), thus contributing.
    Źródło:
    Ameryka Łacińska. Kwartalnik analityczno-informacyjny; 2016, 24, 4(94); 43-61
    1506-8900
    2081-1152
    Pojawia się w:
    Ameryka Łacińska. Kwartalnik analityczno-informacyjny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selectivity of diphenyl-ether herbicide with postemergence applications in chickpea
    Autorzy:
    Silva, L.G.B.
    Da Silva Araujo, L.
    Goncalves, D.J.
    Souza Valente, M.
    Da Silva, A.R.
    Nascimento, W.M.
    Ribeiro da Cunha, P.C.
    Powiązania:
    https://bibliotekanauki.pl/articles/2084719.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Cicer arietinum
    diphenyl-ether herbicides
    weeds
    Opis:
    There are few reports in literature about the selectivity of postemergence application of herbicides for the control of eudicotyledon weeds (broadleaf) in chickpea. For this reason, the aim of this study was to investigate the selectivity of diphenyl-ether herbicides in chickpea influenced by the herbicides and application rates. A field experiment was conducted from February to June 2017 in Urutaí, state of Goiás, Brazil. Cultivar BRS Aleppo was used in the experiment. The experiment was set up in a randomized block design with 2 × 3 + 1 factorial arrangement and three replications. The first factor was herbicides (fomesafen and lactofen) with the second factor being herbicide rate (50, 75, and 100% of referenced rate) plus an untreated check as a comparison. The applied rates of herbicides were 250 and 180 g ⋅ ha–1 of fomesafen and lactofen, respectively. The selectivity of herbicides was evaluated according to agronomic characteristics (plant population, height, dry matter, number of pods per plant and 100-grain weight) and yields. Both herbicides, regardless of dosage, were selective in chickpea cultivation, even exhibiting leaf necrosis symptoms with visible injuries below 20% with no effect on yield.
    Źródło:
    Journal of Plant Protection Research; 2019, 59, 3; 350-354
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On a dinosaur axis from one of the oldest dinosaur-bearing sites worldwide
    Autorzy:
    T. MÜLLER, RODRIGO
    PRETTO, FLÁVIO A.
    STEFANELLO, MICHELI
    SILVA-NEVES, EDUARDO
    DIAS-DA-SILVA, SÉRGIO
    Powiązania:
    https://bibliotekanauki.pl/articles/946007.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Opis:
    The axial skeleton is proportionally underrepresented in the fossil record of early dinosaurs, when compared to other skeletal parts (e.g., pelvic girdle and hindlimb). For instance, the axis is poorly known in early dinosaurs, which precludes a better understanding of this important anatomical structure. Therefore, the present contribution fills an important gap with a description of the axis of a new early dinosaur (CAPPA/UFSM 0179). The specimen was collected at the Buriol outcrop, a Triassic fossiliferous locality from southern Brazil (Candelária Sequence, Santa Maria Supersequence) biostratigraphically correlated to Carnian units, placing this specimen among the oldest dinosaurs worldwide. Notable features include the combination of a neural spine that bears an almost straight dorsal margin along its length and presence of an epipophysis. This axis arrangement is unique among Carnian dinosaurs, representing a new morphotype, though a similar morphology is observed in some early theropods. Indeed, a phylogenetic analysis nested the specimen within Theropoda. However, this outcome is probably biased by the large amount of missing data in CAPPA/UFSM 0179 and also due to the limited sampling of the axis in early dinosaurs, particularly among sauropodomorphs. As the specimen comes from the site that includes Buriolestes schultzi (an early sauropodomorph), it is quite plausible that CAPPA/UFSM 0179 might be referable to that taxon. If so, the specimen improves the anatomical knowledge of Buriolestes schultzi, given its axis is yet unknown. An alternative possibility to be considered is that the specimen would belong to a dinosaur not yet known in the Candelária Sequence, which would increase its dinosaur diversity for the outcrop, improving the Triassic dinosaurian record from Southern Brazil.
    Źródło:
    Acta Palaeontologica Polonica; 2017, 62, 3; 543-548
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rapid callogenesis and plant regeneration of fine and coarse varieties of rice
    Autorzy:
    Khokhar, M.I.
    Iqbal, M.Z.
    Teixeira da Silva, J.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/80293.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    rice
    coarse structure
    fine structure
    plant regeneration
    callogenesis
    6-benzyladenine
    callus induction
    root formation
    kinetin
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2017, 98, 4
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of inorganic salts concentration and alternative plant growth regulators on the in vitro organogenesis of a new hybrid Cymbidium
    Autorzy:
    Lukatkin, A.S.
    Mokshin, E.V.
    Bolshakova, E.V.
    Da Silva, J.A.T.
    Powiązania:
    https://bibliotekanauki.pl/articles/80337.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    inorganic salt
    Cymbidium
    hybrid
    in vitro
    organogenesis
    benzyladenine
    plant growth regulator
    kinetin
    thidiazuron
    6-benzyladenine
    indole-3-acetic acid
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2019, 100, 3
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Withania coagulans (Stocks) Dunal: biotechnological achievements and perspectives
    Autorzy:
    Teixera da Silva, J.A.
    Kher, M.M.
    Soner, D.
    Nataraj, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1928.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Ogrodnictwa
    Tematy:
    Withania coagulans
    medicinal plant
    Solanaceae
    shoot regeneration
    rooting
    in vitro
    micropropagation
    tissue culture
    random amplified polymorphic DNA
    Źródło:
    Journal of Horticultural Research; 2015, 23, 1
    2300-5009
    Pojawia się w:
    Journal of Horticultural Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Combined Analyses of Ion Beam Synthesized Layers in Porous Silicon
    Autorzy:
    Ramos, A. R.
    Pászti, F.
    Horváth, Z. E.
    Vázsonyi, É.
    Conde, O.
    da Silva, M. F.
    da Silva, M. R.
    Soares, J. C.
    Powiązania:
    https://bibliotekanauki.pl/articles/2028988.pdf
    Data publikacji:
    2001-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    61.10.-i
    61.18.Bn
    61.43.Gt
    68.55.Ln
    Opis:
    High dose ion implantation was used to form polycrystalline silicide films on porous silicon with different native concentrations of light impurities (C and O). Porous silicon layers severalμm thick were implanted with 170 keV Cr$\text{}^{+}$ ions to fluences of 3×10$\text{}^{17}$ ions/cm$\text{}^{2}$ both at room temperature and 450ºC. Similar samples were implanted with 100 keV Co$\text{}^{+}$ ions to fluences of 2×10$\text{}^{17}$ ions/cm$\text{}^{2}$ at room temperature, 350ºC, and 450ºC. The formed silicide compounds were studied by Rutherford backscattering spectrometry, elastic recoil detection, glancing incidence X-ray diffraction, and four point-probe sheet resistance measurements. Selected Co implanted samples were analysed by cross-section transmission electron microscopy. Results show that the light impurities were partially expelled from the forming silicide layer. Combining cross-section transmission electron microscopy with ion beam methods it was possible to show that, in the implanted region, the porous structure collapses and densifies during implantation, but the underlying porous silicon remains intact. The layer structure, as well as the quality and type of the formed silicide, were found to depend on the original impurity level, implantation temperature, and annealing.
    Źródło:
    Acta Physica Polonica A; 2001, 100, 5; 773-780
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    First record of mites associated with lima bean (Phaseolus lunatus L.)
    Autorzy:
    Neto, A.V.G.
    Silva, P.R.R.
    Silva, J.D.C.
    Dos Santos, M.F.
    Da Silva Melo, J.W.
    De Franca, S.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2084632.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Tetranychidae
    pest mites
    legumes
    Opis:
    Pest mites of the family Tetranychidae are commonly reported in several legumes. However, reports of their occurrence in lima beans are insipient, especially in Brazil. The objective of this research was to record the occurrence of mites in lima bean plants and to describe their damage in this Fabaceae. Tetranychus neocaledonicus André and Mononychellus planki McGregor were found in lima bean plants, Phaseolus lunatus (Fabaceae or Leguminosae). The lima bean plants, when infested by these mites, initially exhibit small whitish spots in the leaflets, which with increasing population density rapidly evolve into chlorotic patches, followed by silvering, and may dry out and fall due to their overfeeding. The extent of the damage caused to lima bean plants and the adaptability of the mite to warm and dry conditions indicate that T. neocaledonicus has greater potential as a lima bean pest than M. planki in northeastern Brazil. This is the first record of these mites associated with P. lunatus.
    Źródło:
    Journal of Plant Protection Research; 2019, 59, 3; 418-422
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of acute low back pain in women after treatment with interferential current
    Autorzy:
    Serafim, A.
    Rabel, J.
    Neves, M.
    Da Silva, T.S.
    Bertolini, G.R.F.
    Powiązania:
    https://bibliotekanauki.pl/articles/3294.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2019, 13, 2
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prevalence and major causes of ruminal lesions in intensive cattle fattening units
    Autorzy:
    Vieira, J.
    Matos, R.
    Cannas da Silva, J.
    Baumgartner, W.
    Van Harten, S.
    Dâmaso, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/16647393.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    ruminal lesions
    ruminal acidosis
    cattle
    feedlot
    management
    Opis:
    Ruminal acidosis is frequent in cattle fattening systems associated with grain-rich fibre-poor diets. This study aimed to assess the prevalence of ruminal lesions compatible with ruminal acidosis intensive fattening farms and its risk factors on farm. Rumens of 218 out of 1960 bullocks from six farms were classified in slaughterhouses, and the management practices and the type of feed were compared. The prevalence of lesions compatible with ruminal acidosis was high (65%), where 47% and 18% of the animals had ruminal lesions compatible with subacute and acute disease, respectively. Prevalence of lesions differed significantly between the farms, with differences in the management and feeding practices. Ruminal lesions compatible with ruminal acidosis are prevalent in cattle fattening units in Portugal and husbandry and feeding practices are likely to have an impact.
    Źródło:
    Polish Journal of Veterinary Sciences; 2022, 25, 4; 635-637
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Economic development and dependence theory: the approach of the UN Economic Commission for Latin America and the Caribbean (ECLAC)
    Teoria rozwoju gospodarczego i zależności: podejście Komisji Gospodarczej Narodów Zjednoczonych ds. Ameryki Łacińskiej i Karaibów (ECLAC)
    Autorzy:
    Bonzanini, O.A.
    Menuzzi Diverio, T.S.
    Zuliani da Silva, L.G.
    Olesiak, E.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2051677.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Bialska Nauk Stosowanych im. Jana Pawła II w Białej Podlaskiej
    Tematy:
    economic development
    dependence theory
    Economic Commission for Latin America and the Caribbean
    ECLAC zob.Economic Commission for Latin America and the Caribbean
    globalization
    economy
    Opis:
    Subject and purpose of work: The purpose of this article is to present the vision of ECLAC - Economic Commission for Latin America and the Caribbean and its contribution to the reflections on economic development. Materials and methods: This is an exploratory and descriptive study. The first part of the paper contemplates the emergence and evolution of ECLAC thinking during its more than sixty-five years of existence. The second deals with dependency theory, ending with the current thinking proposed by ECLAC. Results: It results in a brief analysis of the moment of the globalization of the economy as an exclusionary process in the history of capitalism, emphasizing the importance of the ECLAC thinking, reinvigorated nowadays. Conclusions: It is considered that the dependency theory has been the great contribution of ECLAC thinking, with the change of focus from a viewpoint only from the prism of the central countries, to an optic from the point of view of the peripheral countries.
    Przedmiot i cel pracy: Celem tego artykułu jest przedstawienie wizji ECLAC - Komisji Gospodarczej Narodów Zjednoczonych ds. Ameryki Łacińskiej i Karaibów oraz jej wkładu w rozważania na temat rozwoju gospodarczego. Materiały i metody: Jest to studium o charakterze badawczym i opisowym. W pierwszej części artykułu podejmowane są rozważania nad pojawieniem się i ewolucją myśli ECLAC podczas ponad sześćdziesięciu pięciu lat jej istnienia. W drugiej części zajęto się teorią zależności, kończąc na obecnej linii rozważań proponowanej przez ECLAC. Wyniki: Rezultatem niniejszego studium jest krótka analiza etapu globalizacji w gospodarce jako procesu wyłączającego w historii kapitalizmu, z uwypukleniem znaczenia myśli ECLAC, której w dzisiejszej dobie zyskała nową energię. Wnioski: Teoria zależności zostaje uznana za wielki wkład myśli ECLAC wraz ze zmianą orientacji poglądowej z takiej która wyraża tylko przekonania państw o kluczowej pozycji na taką która przedstawia poglądy krajów peryferyjnych.
    Źródło:
    Economic and Regional Studies; 2018, 11, 1; 20-33
    2083-3725
    2451-182X
    Pojawia się w:
    Economic and Regional Studies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methodological aspects of the quantification of dispersible clay and its relationship with soil properties along a catena under no-till management
    Autorzy:
    de Paula, A.L.
    Giarola, N.F.B.
    de Lima, R.P.
    Wiecheteck, L.H.
    da Silva, A.P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2082881.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    soil structure
    erodibility
    aggregation
    Opis:
    Continuous no-till management of sloping cultivated areas can promote soil property transformations, causing changes in aggregation and dispersion. The objective of this work was (i) to quantify the readily and mechanically dispersible clays using different methods and (ii) to examine their relationships with soil properties along a catena under no-till management. For this study, the catena was divided into three distinct parts: crest, upper-slope and mid-slope positions. Undisturbed soil cores were sampled at each slope position to determine the following soil properties: organic carbon, Ca2+, Mg2+, K+, Al3+, P, pH, cation exchange capacity and total clay content. Additionally, the levels of readily dispersible clay were measured using turbidimeter and hydrometer methods, whereas mechanically dispersible clay was quantified using the turbidimeter method. We observed high influence of total clay content and organic carbon on soil flocculation; P, Mg2+ and cation exchange capacity were positively related to clay dispersion. Soil management and water transport downslope are probably influencing changes in soil properties and determining the distribution of dispersible clay contents along the catena. No relationships were observed between readily dispersible clay measured using turbidimeter and hydrometer in terms of quantity. Hydrometer and turbidimeter measurements can deliver significantly different results regarding dispersible clay quantification, potentially leading to misinterpretations concerning the amount of clay dispersed in water.
    Źródło:
    International Agrophysics; 2020, 34, 2; 273-280
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Under-Reporting of Accidents Involving Biological Material by Nursing Professionals at a Brazilian Emergency Hospital
    Autorzy:
    Facchin, L. T.
    Gir, E.
    Pazin-Filho, A.
    Hayashida, M.
    da Silva Canini, S. R. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/90558.pdf
    Data publikacji:
    2013
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    healthcare worker
    infection control
    emergency department
    occupational exposure
    pracownicy opieki zdrowotnej
    oddział ratunkowy
    narażenie zawodowe
    Opis:
    Background. Pathogens can be transmitted to health professionals after contact with biological material. The exact number of infections deriving from these events is still unknown, due to the lack of systematic surveillance data and under-reporting. Methods. A cross-sectional study was carried out, involving 451 nursing professionals from a Brazilian tertiary emergency hospital between April and July 2009. Through an active search, cases of under-reporting of occupational accidents with biological material by the nursing team were identified by means of individual interviews. The Institutional Review Board approved the research project. Results. Over half of the professionals (237) had been victims of one or more accidents (425 in total) involving biological material, and 23.76% of the accidents had not been officially reported using an occupational accident report. Among the underreported accidents, 53.47% were percutaneous and 67.33% were bloodborne. The main reason for nonreporting was that the accident had been considered low risk. Conclusions. The under-reporting rate (23.76%) was low in comparison with other studies, but most cases of exposure were high risk.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2013, 19, 4; 623-629
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Railway industry roadmap in the state of Santa Catarina, Brazil
    Roadmap para a indústria ferroviário do estado de Santa Catarina, Brasil
    Autorzy:
    Dias, A.
    Da Silva, J. C.
    Kagueiama, H. H.
    Haddad, C. R.
    Uriona, M. M.
    Lezana, Á. G. R.
    Juliatto, D. L.
    Powiązania:
    https://bibliotekanauki.pl/articles/374823.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    technology
    roadmapping
    rail industry
    technologia
    mapa drogowa
    przemysł kolejowy
    branża kolejowa
    Opis:
    This article aims to identify the main requirements to strengthen the railroad industry in Santa Catarina by using technology roadmapping. The railway industry is composed of carriers, manufacturers, suppliers, operators, logistics, services and education. The survey aimed to provide guidelines for the Federation of the State of Santa Catarina Industry (FIESC) to develop its strategic plan for the next eight years. Based on the survey, the roadmap defined vision, mission, a list of key concepts, drivers and actions for the Federation to support the railway industry development, since this industrial sector is still economically unrepresented when compared to other sectors in Santa Catarina. The survey also pointed out there is a strong expansion program of the railway freight and railway transport for people in Brazil, both in government and private sectors.
    Este artigo objetiva identificar os principais requisitos para fortalecer a indústria ferroviária em Santa Catarina (SC), por meio da aplicação do processo de technology roadmapping. A indústria ferroviária é composta por transportadores, fabricantes, fornecedores, operadores de logística, serviços e educação. A pesquisa objetivou fornecer orientações para a Federação das Indústrias de Santa Catarina (FIESC) com a finalidade de desenvolver um plano estratégico para os próximos oito anos. Baseando-se na pesquisa, definiram-se a visão, missão e uma lista de conceitos chaves, drivers e ações para que a FIESC apoiasse o desenvolvimento da indústria ferroviária, uma vez que esta é economicamente pouco representativa em comparação com outras indústrias no estado de SC. A pesquisa apontou que há forte expansão do transporte de cargas e pessoas no Brasil, tanto nos setores governamentais quanto nos setores privados.
    Źródło:
    Transport Problems; 2015, T. 10, z. spec.; 29-36
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Seed germination and emergence of Eragrostis tenuifolia (A. Rich.) Hochst. ex Steud. in response to environmental factors
    Autorzy:
    Bittencourt, H.H.
    da Silva Bonome, L.T.
    de Bortoli Pagnoncelli,Jr, F.
    Lana, M.A.
    Muzell Trezzi, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/65859.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    seed germination
    emergence
    Eragrostis tenuifolia
    elastic grass
    weed
    plant response
    environmental factor
    irradiance
    temperature
    weed ecology
    weed number
    Opis:
    Eragrostis tenuifolia is a weed species that is gaining ground in Brazil. This weed occurs in pastures, grasslands, crop fields, and roadsides. The objective of this study was to examine the effects of different environmental factors on E. tenuifolia seed germination and seedling emergence. The optimum constant temperature for germination was around 35–30°C. It was also found that 85% of seeds germinated under a 30/20°C alternate temperature regime. Light appears to have a positive effect on seed germination. No seedlings emerged when seeds were buried 3 cm or deeper. The results suggested that E. tenuifolia has the potential to spread into pastures and in no-tillage crop systems in Brazil. Measures such as the use of cover crops and/or soil cultivation can be used to limit germination and seedling emergence, respectively.
    Źródło:
    Journal of Plant Protection Research; 2016, 56, 1
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Failure control of Plutella xylostella (Lepidoptera: Plutellidae) and selectivity of their natural enemies to different insecticides
    Autorzy:
    Bacci, L.
    Rosado, J.F.
    Picanco, M.C.
    Gonring, A.H.R.
    da Silva Galdino, T.V.
    Martins, J.C.
    Powiązania:
    https://bibliotekanauki.pl/articles/66522.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    biological control
    Plutella xylostella
    Lepidoptera
    Plutellidae
    selectivity
    plant pest
    natural enemy
    insecticide
    Brassica
    crop
    cabbage moth
    Opis:
    Control failure of pests and selectivity of insecticides to beneficial arthropods are key data for the implementation of Integrated Pest Management (IPM) programs. Therefore, the aim of this study was to assess the control failure likelihood of Plutella xylostella and the physiological selectivity active ingredients to parasitoid Oomyzus sokolowskii (Hymenoptera: Eulophidae) and to predators Polybia scutellaris (Hymenoptera: Vespidae) and Lasiochilus sp. (Hemiptera: Anthocoridae). In bioassays, P. xylostella larvae and O. sokolowskii, P. scutellaris and Lasiochilus sp. adults were used. Concentration-mortality curves of six insecticides for P. xylostella were established. These curves were used to estimate the mortality of P. xylostella at the recommended concentration, in order to check a control failure of insecticides to this pest. Furthermore, the lethal concentration for 90% of populations (LC90) and the half of LC90 were used in bioassays with the natural enemies to determine the selectivity of these insects to insecticides. All tested insecticides showed control failure to P. xylostella, indicated by high LC90 and low estimated mortalities (less than 80%). The cartap insecticide was selective in half of LC90 to Lasiochilus sp. and moderately selective in LC90 and the half of LC90, to Lasiochilus sp. and P. scutellaris, respectively. Deltamethrin was moderately selective in the half of LC90 to predator Lasiochilus sp. Cartap, carbaryl, and deltamethrin reduced the mortality of Lasiochilus sp. in the half LC90. The results also showed that the insecticides methamidophos, carbaryl, parathion methyl and permethrin were not selective to any of the tested natural enemies. The role of insecticides in IPM systems of Brassica crops is discussed based on their control failures to P. xylostella and selectivity to their natural enemies.
    Źródło:
    Journal of Plant Protection Research; 2018, 58, 2
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Facies architecture of the fluvial Missão Velha Formation (Late Jurassic-Early Cretaceous), Araripe Basin, Northeast Brazil : paleogeographic and tectonic implications
    Autorzy:
    Fambrini, G. L.
    Neumann, V. H. M. L.
    Menezes-Filho, J. A. B
    da Silva-Filho, W. F.
    de Oliveira, É. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/139001.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Araripe Basin
    Missão Velha Formation
    fluvial facies
    architectural element
    rift basins
    basen Araripe
    Missão Velha
    facje rzeczne
    element architektoniczny
    rów tektoniczny
    Opis:
    Sedimentological analysis of the Missão Velha Formation (Araripe Basin, northeast Brazil) is the aim of this paper through detailed facies analysis, architectural elements, depositional systems and paleocurrent data. The main facies recognized were: (i) coarse-grained conglomeratic sandstones, locally pebbly conglomerates, with abundant silicified fossil trunks and several large-to-medium trough cross-stratifications and predominantly lenticular geometry; (ii) lenticular coarse-to-medium sandstones with some granules, abundant silicified fossil wood, and large-to-medium trough cross-stratifications, cut-and fill features and mud drapes on the foresets of cross-strata, (iii) poorly sorted medium-grained sandstones with sparse pebbles and with horizontal stratification, (iv) fine to very fine silty sandstones, laminated, interlayered with (v) decimetric muddy layers with horizontal lamination and climbing-ripple cross-lamination. Nine architectural elements were recognized: CH: Channels, GB: Gravel bars and bed forms, SB: Sand bars and bedforms, SB (p): sand bedform with planar cross-stratification, OF: Overbank flow, DA: Downstream-accretion macroforms, LS: Laminated sandsheet, LA: Lateral-accretion macroforms and FF: Floodplain fines. The lithofacies types and facies associations were interpreted as having been generated by alluvial systems characterized by (i) high energy perennial braided river systems and (ii) ephemeral river systems. Aeolian sand dunes and sand sheets generated by the reworking of braided alluvial deposits can also occur. The paleocurrent measurements show a main dispersion pattern to S, SE and SW, and another to NE/E. These features imply a paleodrainage flowing into the basins of the Recôncavo-Tucano-Jatobá.
    Źródło:
    Acta Geologica Polonica; 2017, 67, 4; 515-545
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Radiation processing of detergents and possible environmental benefits
    Autorzy:
    Borrely, S. I.
    Romanelli, M. F.
    Pereira, M. C. C.
    da Silva, G. P.
    Mesquita, L. C. A.
    de Moraes, M. C. F.
    Powiązania:
    https://bibliotekanauki.pl/articles/148020.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    EB irradiadion
    anionic surfactants
    effluent
    Vibrio fischeri
    Daphnia similis
    Opis:
    Detergents at waters inducing negative changes for biological degradability and water general quality. Some authors have evidenced a considerable amount of anionic surfactant and toxic effects into natural water and effluents related to detergents. The objective of the study was to apply electron irradiation for reducing toxicity, and for degradation of surfactants. To quantify surfactant LAS determination as MBAS (metylene blue active substances) was applied. The capacity of radiation to reduce surfactants was evidenced for real effluent and for water solution containing sodium dodecyl sulfate, linear alkylbenzene sulfonate (LAS), separately. An electron beam accelerator (EBA) 1.5 MeV was the radiation source. Anionic surfactant solutions as well as real effluents resulted in less toxic samples after irradiation. Toxicity was evaluated for Vibrio fischeri and Daphnia similis. An important decline of total anionic surfactant was observed after irradiation to doses: 6.0 kGy and 20 kGy (surfactant in water solutions and effluents, respectively). To conclude, EBA irradiations accounted for 88% to 96% less toxic surfactants solutions and effluents and 68% to 96% for MBAS compounds decomposition.
    Źródło:
    Nukleonika; 2009, 54, 2; 61-64
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of an irradiation system for a small size continuous run multipurpose gamma irradiator
    Autorzy:
    Calvo, W. A. P.
    Rela, P. R.
    Napolitano, C. M.
    Kodama, Y.
    Omi, N. M.
    da Costa, F.
    de Andrade e Silva, L. G.
    Powiązania:
    https://bibliotekanauki.pl/articles/148041.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    multipurpose irradiator
    gamma irradiator
    compact irradiator
    cobalt-60 irradiator
    gamma facility
    Opis:
    The Radiation Technology Center from IPEN-CNEN/SP, Brazil, developed a revolutionary design and national technology, a small-sized continuous run and multipurpose industrial gamma irradiator, to be used as a demonstration facility for manufacturers and contract service companies, which need economical and logistical in-house irradiation system alternatives. Also, to be useful for supporting the local scientific community on development of products and process using gamma radiation, assisting the traditional and potential users on process validation, training and qualification of operators and radioprotection officers. The developed technology for this facility consists of a continuous tote box transport system, comprising a single concrete vault, where the automated transport system of products inside and outside of the irradiator utilizes a rotating door, integrated with the shielding, avoiding the traditional maze configuration. Covering 76 m2 of floor area, the irradiator design is a product overlap sources and the maximum capacity of cobalt-60 wet sources is 37 PBq. The performed qualification program of this multipurpose irradiator was based on AAMI/ISO 11137 standard, which recommends the inclusion of the following elements: installation and process qualification. The initial load of the multipurpose irradiator was 3.4 PBq with 13 cobalt-60 sources model C-188, supplied by MDS Nordion – Canada. For irradiator dose optimization, the source distribution was done using the software Cadgamma developed by IPEN-CNEN/SP. The polymethylmetacrylate (PMMA) dosimeter system, certified by the International Dose Assurance Service (IDAS) of the International Atomic Energy Agency (IAEA) was used for irradiator dose mapping. The economic analysis, performance concerning with dose uniformity and cobalt-60 utilization efficiency were calculated and compared with other commercial gamma irradiators available on the market.
    Źródło:
    Nukleonika; 2009, 54, 2; 93-97
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-38 z 38

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