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Search results for: LIQUEFIED GASES
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Bio-Based Polyurethane Networks Derived from Liquefied Sawdust
PublicationThe utilization of forestry waste resources in the production of polyurethane resins is a promising green alternative to the use of unsustainable resources. Liquefaction of wood-based biomass gives polyols with properties depending on the reagents used. In this article, the liquefaction of forestry wastes, including sawdust, in solvents such as glycerol and polyethylene glycol was investigated. The liquefaction process was carried...
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Technologies for deodorization of malodorous gases
PublicationThere is an increasing number of citizens’complaints about odor nuisance due to production or service activity. High socialawareness imposes pressure on entrepreneurs and service providers forcing them to undertake effective steps aimed at minimi-zation of the effects of their activity, also with respect to emission of malodorous substances. The article presents informationabout various technologies used for gas deodorization....
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Unusual streaming in chemically reacting gases
PublicationNonlinear stimulation of the vorticity mode caused by losses in the momentum of sound in the chemically reacting gas, is considered. The instantaneous dynamic equation which describes the nonlinear generation of the vorticity mode, is derived. It includes a quadratic nonlinear acoustic source. Both periodic and aperiodic sound may be considered as the origin of the vorticity flow. In the non-equilibrium regime of the chemical reaction,...
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Games
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Gates of Enzymes
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The application of checklists in the field of complex operation based on the operating experiences of a liquefied petroleum gas handling simulator.
PublicationOmówiono pojęcie list sprawdzających (z ang. checklists). Podano charakterystykę techniczną symulatora operacji ładunkowych gazowca typu LPG znajdującego się w laboratorium Katedry Siłowni Okrętowych Akademii Morskiej w Gdyni wraz z jego możliwościami dydaktycznymi. Przedstawiono zasady tworzenia list sprawdzających czynności obsługowe wraz z przykładem takiej listy.
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Fashion Games, Fashion in Games and Gamification in Fashion. A First Map
PublicationFashion companies have been using different forms of entertainment such as film and television, sport, music, museums, and photography as inspiration sources and as communication and marketing channels for decades. However, in recent years, they have also started to consider the gaming world. While gaming offers a potential revenue stream from sales of physical and digital clothing, change in it is also the gateway to access new...
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Hysteresis curves for some periodic and aperiodic perturbations in gases
PublicationEvolution of sound in a medium whose properties irreversibly vary in the course of wave propagation, is studied. For example, a gas that is a particular case of a Newtonian fluid is considered. Hysteresis curves, pictorial representations of irreversible attenuation of the sound energy, in the plane of thermodynamic states are plotted. The irreversible losses in internal energy are proportional to the total attenuation and depend...
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Hazardous gases detection by fluctuation-enhanced gas sensing
PublicationW pracy przedstawiono układ pomiarowy oraz metodę za pomocą której można jednym rezystancyjnym czujnikiem gazów wykrywać dwa gazy: amoniak i siarkowodór. Podano wskaźnik jaki pozwala dokonać detekcji tych gazów już przy stężeniach rzędu pojedynczych ppm. Przebadano także powtarzalność wyników pomiarów w kilku egzemplarzach czujników.
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Electron diffision coefficients in triatomic gases measurements and model
PublicationPraca zawiera porównanie współczynników dyfuzji elektronów w gazach trójatomowych (N2O, C2O) zmierzonych w doświadczeniu ze współczynnikami wyznaczonymi numerycznie z wykorzystaniem równania Boltzmanna oraz z zastosowaniem metody Monte Carlo. Przedstawiona procedura pozwala zweryfikować przekroje czynne na zderzenia elektronów z drobinami gazów.