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    Wyświetlanie 1-8 z 8
    Tytuł:
    Strategies and Methods for Investigation of Airborne Biological Agents From Work Environments in Germany
    Autorzy:
    Albrecht, A.
    Kiel, K.
    Kolk, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/90580.pdf
    Data publikacji:
    2007
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    workplace atmosphere
    biological agents
    measuring strategies
    analytical methods
    German specification
    EU regulation
    Opis:
    In 2004/2005, a European Twinning Project was carried out to support Polish occupational safety and health institutions in putting into practice Directive 2000/54/EC regarding the protection of workers from risks related to exposure to biological agents at work. Information on and training in sampling and analysing biological agents of people responsible for bioaerosol measurements and the assessment of measuring results from the workplace atmosphere were part of the project. This paper is an extract of the authors’ activities within the project and can be used as a tool for comparable activities in future projects with other European Union candidates. It gives information on working standards for bioaerosol measurements worked out and commonly used in Germany within the frame of European guidelines for bioaerosol measurements in the workplace atmosphere. Additionally it summarizes the authors’ long practical experience in carrying out bioaerosol measurements in the atmosphere of various workplaces.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2007, 13, 2; 201-213
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Detection of airborne microbes in a composting facility by cultivation based and cultivation-independent methods
    Autorzy:
    Albrecht, A
    Witzenberger, R.
    Bernzen, U.
    Jackel, U.
    Powiązania:
    https://bibliotekanauki.pl/articles/50677.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    composting process
    airborne microbe
    humification
    cultivation-independent method
    degradation
    organic material
    bacteria
    fungi
    counting efficiency
    waste management
    detection
    compost
    Opis:
    Standard methods for quantifi cation of airborne bacteria are based on cultivation and counting of grown colonies. From complex natural environments it is known that only a small fraction of the total number of cells can be cultivated on routinely used agar-media. Direct microscopic cell counting after DNA-staining usually generates higher concentrations of one to two magnitudes. The objective of the presented study was to compare the concentrations of airborne bacteria sampled in a composting facility by using for any sample the cultivation on trytic soy agar (TSA) – agar, as well as direct counting after DAPI-staining. The concentrations after counting grown colonies were within a range of 105-107 cfu m-3. Concentrations of direct counted cells ranged between 106-109 microbes m-3. In these comparative measurements only 1.5-15.3% of the airborne bacterial cells enumerated by direct counting formed countable colonies after incubation on TSA-agar. Obviously, cultivation based methods underestimate the real amount of airborne microbes. In addition, from literature it is known that inactive or even dead cells can also have the potential to cause health effects. Consequently, a risk assessment based only on measuring colony forming units may, in some cases, not be sufficient.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2007, 14, 1
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Method and time of alfalfa sowing when climate is changing
    Sposób i termin siewu lucerny w warunkach zmieniającego się klimatu
    Autorzy:
    Andrzejewska, J.
    Albrecht, K.A.
    Ignaczak, S.
    Skinder, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/47363.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
    Tematy:
    sowing method
    sowing time
    alfalfa
    Medicago sativa
    climate change
    meteorological data
    winter
    Polska
    Źródło:
    Acta Scientiarum Polonorum. Agricultura; 2015, 14, 3
    1644-0625
    Pojawia się w:
    Acta Scientiarum Polonorum. Agricultura
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Oat vs white mustard as catch crop
    Owies vs gorczyca biała w międzyplonie ścierniskowym
    Autorzy:
    Andrzejewska, Jadwiga
    Pastuszka, Anna
    Contreras-Govea, Francisco E.
    Albrecht, Kenneth A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2216694.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
    Tematy:
    Avena sativa (L.)
    cover crop
    mulch
    Sinapis alba (L.)
    spring barley
    Avena sativa
    międzyplon ścierniskowy
    mulcz
    Sinapis alba
    jęczmień jary
    Opis:
    Background. The number of species suitable for late summer sowing as catch crops intended for mulching soil is insufficient. It has been hypothetically assumed that oat (Avena sativa L.) may be an alternative to white mustard (Sinapis alba L.) that is commonly grown for this purpose. The aim of this study was to compare the yield and nitrogen accumulation of oat and white mustard planted as catch crops at different late summer dates, and the effect of mulch from these plants on spring barley (Hordeum sativum L.) yield. Material and methods. In the period from 2011 to 2013, oat and white mustard were sown separately on August 15 and September 1 and 15. No nitrogen fertilization was used for the catch crops. At the end of October, dry matter accumulation and nitrogen accumulation were determined. Photographic documentation of the mulch coverage of the soil was made. Over a 3-year period (2012–2014), spring barley was grown after the oat and mustard mulch. Plant density and grain yield of the barley was determined. Results. Delaying the sowing date resulted in a decrease in catch crop dry matter accumulation, on average for both species, from 2.36 to 0.61 Mg·$ha^(-1)$, and in nitrogen accumulation from 45.4 to 30.3 kg·$ha^(-1)$. Differences in biomass and nitrogen accumulation, in favor of mustard, were associated with the earliest sowing date only. Oat plants did not lose leaves in winter and thus provided greater soil cover than mustard plants. These species cultivated as a catch crop and used for mulch did not differ in their effect on plant density or spring barley yield. Conclusion. In crop rotations with a large proportion of cruciferous plants, oat may replace white mustard to capture residual N and to mulch the soil, however its sowing date should not be later than the beginning of September.
    Liczba gatunków przydatnych do uprawy w międzyplonie z późnoletniego siewu i przeznaczonych do mulczowania gleby jest niewielka. Hipotetycznie założono, że alternatywą dla powszechnie uprawianej na te cele gorczycy białej (Sinapis alba L.) może być owies (Avena sativa L.). Celem badań było porównanie plonów i akumulacji azotu przez owies i gorczycę białą wysiewane w różnych późnoletnich terminach oraz wpływ mulczu z tych roślin na plonowanie jęczmienia jarego (Hordeum sativum L.). W latach 2011–2013 owies i gorczyca biała były wysiewane 15 sierpnia oraz 1 i 15 września. Pod zasiewy międzyplonów nie stosowano nawożenia azotowego. W końcu października oznaczono plony oraz pobranie azotu. Opóźnianie terminu siewu skutkowało spadkiem plonu suchej masy, średnio dla obu gatunków z 2.36 do 0.61 Mg·$ha^(-1)$ oraz pobraniem azotu z 45.4 do 30.3 kg·$ha^(-1)$. Różnice w plonach i pobraniu azotu na korzyść gorczycy stwierdzono tylko w przypadku najwcześniejszego siewu. W latach 2012–2014 po mulczu z owsa i gorczycy uprawiano jęczmień jary. Oznaczono obsadę roślin i plony ziarna. Oba gatunki uprawiane jako międzyplon z przeznaczeniem na mulcz nie miały wpływu na obsadę roślin i plony jęczmienia jarego. W zmianowaniach z dużym udziałem roślin kapustowatych owies może zastępować gorczycę białą, zwłaszcza przy przeznaczeniu do produkcji mulczu. Termin siewu owsa nie powinien być późniejszy niż 1 września.
    Źródło:
    Acta Scientiarum Polonorum. Agricultura; 2019, 18, 2; 53-61
    1644-0625
    Pojawia się w:
    Acta Scientiarum Polonorum. Agricultura
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selectivity of nicosulfuron isolated or in tank mixture to glyphosate and sulfonylurea tolerant soybean
    Autorzy:
    Silva, A.F.M.
    Albrecht, A.J.P.
    Damiao, V.W.
    Giraldeli, A.L.
    de Marco, L.R.
    Placido, H.F.
    Albrecht, L.P.
    Filho, R.V.
    Powiązania:
    https://bibliotekanauki.pl/articles/66430.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    selectivity
    nicosulfuron
    tank mixture
    glyphosate
    sulphonylurea
    soybean
    Glycine max
    chlorimuron
    cloransulam
    herbicide
    crop
    tolerance
    sulphometuron
    Opis:
    The aim of the present work was to evaluate the selectivity of nicosulfuron, alone and in combinations, applied in post-emergence (V4) of glyphosate and sulfonylurea tolerant (RR/STS) soybean. The experiments were conducted in 2015/16 and 2016/17, in Piracicaba – state of São Paulo (SP). In 2016/17, the experiment was also conducted in Palotina – state of Paraná (PR). The experiment was a randomized block design, with four repetitions and 16 treatments, with combinations of nicosulfuron, glyphosate, chlorimuron, sulfometuron and cloransulam, applied alone or in tank mixture. Crop injury and variables related to agronomic performance were evaluated. Data were subjected to analysis of variance and treatment means were compared by the Tukey test. The results obtained are significant in the positioning of herbicides in RR/STS soybean, since in the five experiments, all the treatments were selective, except for glyphosate + sulfometuron which reduced the yield of a cultivar (CD 2630 RR/STS) in the 2015/16 season.
    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:
    Glyphosate in agronomic performance and seed quality of soybean with cp4-EPSPs and cry1Ac genes
    Autorzy:
    Silva, A.F.M.
    Albrecht, A.J.P.
    Albrecht, L.P.
    Pellicci, V.A.
    Giovanelli, B.F.
    Ghirardello, G.A.
    Viana, H.R.M.
    Filho, R.V.
    Powiązania:
    https://bibliotekanauki.pl/articles/66021.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    crop injury
    Glycine max
    soybean
    glyphosate-tolerant soybean
    herbicide
    selectivity
    agronomic performance
    seed quality
    cp4-EPSPs gene
    cry1Ac gene
    Opis:
    The “second generation” of glyphosate-tolerant soybean (GT2 soybean) was developed through a different technique of insertion of the glyphosate-insensitive EPSPs gene, in comparison with “first generation” of glyphosate-tolerant soybean. However, there is not enough information available about glyphosate selectivity in GT2 soybean and the effects on the quality of seeds produced. The aim of this study was to evaluate tolerance to glyphosate and seed quality of soybean cultivar NS 6700 IPRO (GT2) with cp4-EPSPs and cry1Ac genes, after application at post-emergence (V4). The experiment was conducted in a randomized block design with four replicates and seven treatments, or rates of glyphosate (0; 720; 1,440; 2,160; 2,880; 3,600; 4,320 g of acid equivalent − a.e. · ha−1). Assessments were performed for crop injury, SPAD index and variables related to agronomic performance and seed quality. A complementary trial with the same cultivar and treatments in a greenhouse was conducted in a completely randomized design with four replications. Data analysis indicated no significant effect of glyphosate on V4 on agronomic performance and physiological quality of seeds, for two growing seasons. The soybean cultivar NS 6700 IPRO (GT2), with cp4-EPSPs and cry1Ac genes, was tolerant to glyphosate up to the maximum rate applied (4,320 g a.e. · ha−1) at post-emergence (V4). The quality of soybean seeds was not affected by glyphosate up to the maximum rate applied (4,320 g a.e. · ha−1) at post-emergence (V4).
    Źródło:
    Journal of Plant Protection Research; 2018, 58, 4
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dendrite growth in selector-root area of single crystal CMSX-4 turbine blades
    Autorzy:
    Bogdanowicz, W.
    Tondos, A.
    Krawczyk, J.
    Albrecht, R.
    Sieniawski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1058103.pdf
    Data publikacji:
    2016-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    61.66.Dk
    61.72.-y
    61.10.Nz
    Opis:
    The single crystal turbine blades made of CMSX-4 nickel-based superalloy were studied. The turbine blades were obtained by the Bridgman technique with withdrawal rate of 5 mm/min. The samples, cut-off from root part of blades and containing the fragment of the selector, were studied. The effect of selector geometry on the dendrites growth and defects formation in the selector-root area of the blade were analyzed. The Laue diffraction, scanning electron microscopy, and X-ray diffraction topography were applied. It was found that, during crystallization of the selector, the dendrite cores, after reaching the surface of mould, may bend, if the angle between dendrite cores and the mould surface was equal to 12°. When the angle was equal to 24° the growth of dendrites has been stopped. It can be stated that the defects, which appeared in the selector were inherited by the root part.
    Źródło:
    Acta Physica Polonica A; 2016, 130, 4; 1107-1109
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Faecal Microbiota Transfer – a new concept for treating cytomegalovirus colitis in children with ulcerative colitis
    Autorzy:
    Karolewska-Bochenek, K.
    Lazowska-Przeorek, I.
    Grzesiowski, P.
    Dziekiewicz, M.
    Dembinski, L.
    Albrecht, P.
    Radzikowski, A.
    Banaszkiewicz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/28762871.pdf
    Data publikacji:
    2021
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2021, 28, 1; 56-60
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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