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    Wyświetlanie 1-6 z 6
    Tytuł:
    LOTNICY - kawalerowie Virtuti Militari
    Autorzy:
    Jensen, Stanisław.
    Lach, Ludwik W.
    Markowski, Tomasz.
    Baran, Stanisław M.
    Skarzyński, Stanisław J.
    Zarudzki, Edward F.K.
    Burzyński, Kazimierz.
    Konopas, Kazimierz W.
    Dukszto, Władysław.
    Mioduchowski, Jan.
    Powiązania:
    Przegląd Wojsk Lotniczych i Obrony Powietrznej 1996, nr 1 ->
    Współwytwórcy:
    Zieliński, Józef (historia wojskowa). Opracowanie
    Data publikacji:
    1996
    Tematy:
    Jensen Stanisław.
    Lach Ludwik Wojciech.
    Markowski Tomasz.
    Baran, Stanisław Mieczysław
    Skarzyński, Stanisław Jakub
    Zarudzki, Edward F.K.
    Burzyński Kazimierz.
    Konopas, Kazimierz Wiesław
    Dukszto Władysław.
    Mioduchowski Jan.
    Lotnicy biografie Polska 20 w.
    Wojsko
    Biografia
    Opis:
    [1]:; Chor. pil. Stanisław Jensen, chor. pil. Ludwik Wojciech Lach, kpt. pil. Tomasz Markowski; nr 1; s. 86-88.
    [2]:; Chor. pil. Stanisław Mieczysław Baran, płk. pil. Stanisław Jakub Skarzyński, kpt. pil. obs. Edward F.K. Zarudzki.
    [3]:; Kpt. pil. Kazimierz Burzyński, ppłk. pil. Kazimierz Wiesław Konopasek, płk. obs. Władysław Dukszto, mjr pil. Jan Mioduchowski.
    Fot.
    Dostawca treści:
    Bibliografia CBW
    Artykuł
    Tytuł:
    Seed vigour testing for predicting field seedling emergence in Fagus sylvatica L.
    Autorzy:
    Jensen, M
    Powiązania:
    https://bibliotekanauki.pl/articles/41595.pdf
    Data publikacji:
    2002
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    predictability
    vigor test
    Fagus sylvatica
    beech
    seed vigor
    seedling emergence
    critical root length
    tree seed
    Opis:
    A vigour test that can predict the field emergence percentage of tree seeds accurately has long been a wish from growers. A new test method, the Critical Root Length (CRL) vigour test, was developed for beech seeds on the basis of the length of primary roots, germinated seeds can produce during a specified test. Pretreated, imbibed seeds were germinated in a vertically positioned moist paper roll during 20days at 15°C in 12 hour light daily. Root length of normally germinated seedlings was recorded and correlated with field emergence percentage to obtain a critical root length for the ability to emerge in the field. Critical root length for Fagus sylvatica was found to be 45 mm. The percentage of normally germinated seeds with roots longer than 45 mm in the CRL test is a predicted estimate of the field emergence percentage of a seed lot. Results of two tests on 5 and 10seed lots showed generally good correlation between CRL predicted emergence and actually obtained field seedling emergence. Large variation in root length was found between and within seed lots, thus displaying large differences in seed vigour. The new test is an applied, easy and inexpensive vigour test developed for nurserymen and seed technicians in order to predict field emergence more accurately.
    Źródło:
    Dendrobiology; 2002, 47 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Quantitative assessment of risk to ship traffic in the fehmarnbelt fixed link project
    Autorzy:
    Rasmussen, F. M.
    Glibbery, K. A. K.
    Melchild, K.
    Hansen, M. G.
    Jensen, T. K.
    Lehn-Schiøler, T.
    Randrup-Thomsen, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2069413.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
    Tematy:
    quantitative risk assessment
    QRA
    ship collision
    ShipRisk
    facility safety assessment
    FSA
    IMO guideline
    AIS data
    Opis:
    Rambøll is on behalf of Femern A/S carrying out navigational studies of the vessel traffic conditions in the Fehmarnbelt in connection with the establishment of a future Fehmarnbelt fixed link, a 19 km long bridge or immersed tunnel connection crossing the Fehmarnbelt. The focus is on documenting safety and efficiency for the vessel traffic when a fixed link is crossing the Fehmarnbelt. Rambøll has developed the ShipRisk software package to perform the quantitative risk assessments in the Fehmarnbelt fixed link project. Focus in this article is on describing the background for estimating frequencies of ship accidents in ShipRisk and describe factors influencing the accident scenarios and present the work performed for testing and verifying the model.
    Źródło:
    Journal of Polish Safety and Reliability Association; 2012, 3, 1; 123--134
    2084-5316
    Pojawia się w:
    Journal of Polish Safety and Reliability Association
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Offshore drilled cuttings management
    Autorzy:
    Bilstad, T.
    Stenberg, E. S.
    Jensen, B.
    Larsen, T.
    Toft, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/298998.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    drilling
    fluids
    muds
    cuttings
    cleaning
    TCC
    reuse
    disposal
    regulations
    wiercenie
    płyny
    muły
    ponowne użycie
    regulacje
    Opis:
    The search for offshore fossil fuels generates large volumes of drilled cuttings which under certain conditions are defined hazardous, negating disposal at sea. Much of the cuttings end up in onshore landfills. The types of fluids used in well drilling operations determine to which extent the cuttings are considered hazardous. The three main types of fluids are oil based mud (OBM), water based mud (WBM) and synthetic based mud (SBM). The purpose of adding fluids or mud in the drilling operations is to cool and lubricate the drill bit, to stabilize the well bore, to control subsurface pressure, formation pressure, well stability and corrosion, and to carry cuttings to the surface. OBM is based on either diesel or mineral oil. One advantage of OBM is enhanced drilling performance, especially in technical challenging environments. A drawback, however, is the toxicity of OBM, prohibiting discharge of cuttings to the marine environment. Drilled cuttings are rocks produced during drilling operations, becoming coated with drilling fluids. Historically, cuttings have been disposed to sea. However, recent environmental laws and regulations prohibit such practice. Re-injection of cuttings as a slurry into subsurface formations has also been discontinued due to leaks and re-entering of slurry into the bottom waters. Transport of cuttings to shore is therefore the choice. For logistics and cost reasons emphasis is put on offshore waste minimization and reuse/recycle. Total fluid management (TFM) leads to environmental impact reduction (EIR). Minimization of drilling fluids and reuse of fluids lead to cost reduction. Volume of cuttings is reduced through directional drilling and by drilling smaller diameter holes. Synthetic based drilling fluids (SBM) are replacing OBM. Drilling wastes are further separated into a fluid and a solid phase. The solids may be used for road and other construction purposes, whereas the OBM is burned for energy recovery. The purpose of the thermo-mechanical cuttings cleaner (TCC) is to convert hazardous oily cuttings into useful products. TCC facilities are only available onshore in Norway. However, offshore TCC units will in due time be introduced, negating the need for transport of cuttings to shore. Cuttings are allowed disposed to sea when no toxic fluids are attached. TCC separation is accomplished by generating temperatures of 240-300 degrees of Celsius sufficient for evaporation of oil and water from the mineral solids.
    Źródło:
    AGH Drilling, Oil, Gas; 2013, 30, 1; 47-50
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ervironmental friendly drilling fluid management offshore Norway
    Autorzy:
    Bilstad, T.
    Jensen, B.
    Toft, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/299181.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    drilling
    fluids
    mud
    cutterings
    cleaning TCC
    reuse
    disposal
    regulations
    Opis:
    Types and amount of fluids utilized when drilling a well determine to which extent the drilled cuttings are legally considered hazardous waste. The main categories of drilling fluids are oil based (OBM), water based (WBM) and synthetic based mud (SBM). The purpose of adding fluids to the drilling operations is to cool and lubricate the drill bit, to stabilize the well bore, to control subsurface pressure, to control formation pressure, to control well stability. to control corrosion, and to carry cuttings to the surface. Historically, cuttings from drilling sub-surface wells have been depositeddirectly from the platform to the seabed. However, environmental laws and regulations for the Norwegian offshore sector prohibit such practice when the oil on cutting exceeds 1 % by weight. Re-injection of cuttings as a slurry into subsurface formations is still practiced. Due to migration, leaks, re-entering of slurry onto the seabed, and collapsing formations this disposal method is on a decline. Transport of oily cuttings to shore for final treatment is the preferred Norwegian practice. However, cutting treatment on platforms is also continuousl yevaluated. For logistics and cost reasons, as well as health, safety and environmental (HSE) and working environment reasons, emphasis is put on offshore waste minimization, reuse and recycle.Ten onshore locations in Norway are currently receiving cuttings for further treatment and fluid recovery. The treated cuttings are for the most part disposed in landfills.
    Źródło:
    AGH Drilling, Oil, Gas; 2014, 31, 2; 191-197
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development and validation of an operational fast time ship manoeuvring solver to increase navigation efficiency in horizontally restricted waterways
    Autorzy:
    Kazerooni, M. F.
    Rahimian, M.
    Tree, M.
    Womersley, T.
    Jensen, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201447.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    manoeuvring
    measurement
    hydrodynamics
    autopilot
    fast-time manoeuvring simulation technology
    harbour navigation
    shallow water
    harbour approach channels design
    Opis:
    Growth of demand for containerized cargo shipping has put more ports into pressure to accommodate larger vessels. Considering the limitations on dimensions of navigation channels, this is not feasible unless aiming for significant capital dredging or alternatively creating high precision predictions of vessel motions subjected to environmental forcing and interaction with shallow and restricted waterway. NCOS ONLINE (Nonlinear Channel Optimisation Simulator) is a state of the art navigation support tool which combines DHI’s high level forecast of environmental conditions with mathematical model of ship motions to add an extra level of accuracy in predicting the under-keel clearance and vessel swept path to boost the efficiency of navigation and pilotage within restricted channels. NCOS Manoeuvring Module utilizes an autopilot scheme based on PID (Proportional / Integral / Derivative) controller and Line of Sight Algorithm to FORCE Technology’s SimFlex4 manoeuvring solver for prediction of manoeuvring ship swept path and response, which will effectively bring the accuracy of real time full bridge simulator to fast time operation support tool. In this paper, the result of mathematical model is validated against fullscale measurements of containership transits through Port of Auckland Navigation channel by comparing pilot commands, leeway drift and swept path through output of portable pilotage unit. According to the results the model is found promising to predict the behaviour of human pilots with precision required in operational use. Finally, the swept path and manoeuvring performance of a sample transit is assessed on different environmental conditions and tide stages to evaluate the safe transit windows in operation.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 1; 71--76
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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