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Wyniki wyszukiwania dla: FIRE TESTING
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Selected aspects of application UAVS to recognize characteristic quantities of fire.
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Teaching methodology of the diagnosing process on the example of the fire alarm system
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Secondary Thermal Deformation Characteristics of Stiffened Plate Exposed to Fire
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A design concept of fire protection system for an ecological floating dock
PublikacjaW artykule przedstawiono możliwe do wystąpienia na doku pływającym zagrożenie pożarowe oraz projekt koncepcyjny systemu zabezpieczenia przeciwpożarowego. Projekt ten obejmuje: istalację gaśniczą wodno-hydrantową i pianową do ochrony pokładu głównego oraz instalację CO2 do ochrony siłowni, rozdzielni elektrycznej i tunelu kablowego, a także instalację wykrywania i sygnalizacji pożaru.
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Genetic Positioning of Fire Stations Utilizing Grid-computing Platform
PublikacjaA chapter presents a model for determining near-optimal locations of fire stations based on topography of a given area and location of forests, rivers, lakes and other elements of the site. The model is based on principals of genetic algorithms and utilizes the power of the grid to distribute and execute in parallel most performance-demanding computations involved in the algorithm.
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The innovative approach for using pavement as a fire prevention measure in tunnels
PublikacjaThe paper consists of two main parts: first presents study regarding the typically used pavement structures in tunnels and the second part: the first fire trials of the poroelastic SEPOR (Safe, Eco-friendly POroelastic Road Surface) mixture which was designed to be used among other uses in tunnels. In the first part of the paper different pavement materials, such as cement concrete, asphalt concrete, stone mastic asphalt and porous...
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INDFIRES PROJECT AND SITUATIONAL INDUSTRIAL FIRE REPORTS OF PARTNER COUNTRIES
PublikacjaChapter contains information regarding project and situational reports from all participants.
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Genetic Testing and Molecular Biomarkers
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Papers in Language Testing and Assessment
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International Journal of Language Testing
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RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING
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SOFTWARE TESTING VERIFICATION & RELIABILITY
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Mechanical testing of technical woven fabrics
PublikacjaThis article presents a review of technical fabrics testing methods used by the authors on the basis of their experience with research on properties of polytetrefluoroethylene-coated fabrics used for Forest Opera in Sopot (Poland). First, the different types of testing methods used for description of mechanical properties (uniaxial tensile tests, biaxial tensile tests and shear tests) of technical woven fabrics are described. The...
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Testing of the Superconducting Magnets Frequency Characteristics
PublikacjaPrzedstawiono zagadnienia związane z opracowaniem systemu do wyznaczania impedancji uzwojeń magnesów nadprzewodzących w funkcji częstotliwości. Omówiono strukturę sprzętową systemu, oprogramowanie oraz sposób wyznaczania parametrów badanego uzwojenia. Pokazano przykładowe wyniki uzyskane przy użyciu omawianego systemu w GSI w Darmstadt.
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Testing the usability of decisional DNA in robotics
PublikacjaW pracy poddano dyskusji i nalizie obszary mozliwych zastowac reprezentacji wiedzy zwanej Decisional DNA w zagadnieniach zwiazanych z robotyka.
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Computer modeling and testing of structural metamaterials
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Testing and tuning PLC application programs
PublikacjaWe wstępie zawarto kilka uwag autora dotyczących pilnej potrzeby wdrażania na Wydziale Mechanicznym idei mechatronicznego kształcenia. Przedstawiono przegląd sposobów monitorowania i testowania programów aplikacyjnych PLC podczas budowania lub modernizacji systemów sterowania. Przedyskutowano zakres zastosowań oraz ograniczenia poszczególnych sposobów. Opisano przykład zastosowania zbudowanego stanowiska do eksperymentalnych testów...
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A new approach to visual system testing
PublikacjaOpisano budowę laboratoryjnego stanowiska prac bawczych nad perymetrią obiektywną. Przedstawiono zasadę działania algorytmu VEPDA oraz wyniki działania VEPDA na danych eksperymentalnych.
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Combined environmental testing device for picosatellites
PublikacjaAs access to space conditions becomes more available, both technically and economically, scientists’ interest in launching finer and more sophisticated experiments grows. To be qualified for launch, such experiments need to be carefully tested prior to the event. The tests should represent actual launch conditions as closely and in a detailed manner. Typical tests for payload include: vibration tests, thermal and vacuum tests,...
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Non-destructive Testing of Wooden Elements
PublikacjaExamining the condition of wooden elements is crucial from the perspective of proper structure performance. If the deterioration in the internal wood condition, which displays no symptoms visible from the outside, is detected, the further spread of the deterioration can be prevented. Test results often point to the necessity of conducting repairs and, renovations, replacing the structure of wooden beams, or even substituting a...
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The novel sterilization device: the prototype testing
PublikacjaCurrently, there are numerous methods that can be used to neutralize pathogens (i.e., devices, tools, or protective clothing), but the sterilizing agent must be selected so that it does not damage or change the properties of the material to which it is applied. Dry sterilization with hydrogen peroxide gas (VHP) in combination with UV-C radiation is well described and effective method of sterilization. This paper presents the design,...
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Vibration testing in buildings and safety of their operation
PublikacjaThe paper presents the issue of vibrations in residential buildings located near roads. It describes the measurement methodology and criteria for assessing the impact of vibrations generated by passing trucks. The article specifies a method to establish the impact on the operation of the examined facilities and it promotes the idea of employing a Bayesian network to determine probabilistically the level of risk to single-family...
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TIRE/ROAD NOISE AND TIRE ROLLING RESISTANCE ON PROTOTYPE PERS SURFACE
PublikacjaPoroelastic road surfaces are characterized by low noise of tires running on them.Road pavements of this type are promising solution to problems related to traffic noise in cities and on rural roads. Some technical problems still have to be solved, in particular regarding durability and skid resistance on wet surface. Ongoing and planned works are to contribute to create a quiet, durable and safe road surface, which will become...
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Społeczna odpowiedzialność firm
PublikacjaW artykule przedstawiłem fenomenalne rozróżnienie "węższego" i "szerszego" znaczenia społecznej odpowiedzialności firm. Najpierw uwypukliłem to, że fenomeny odpowiedzialności moralnej zjawiają się w świadomości indywidualnych "osób żywotnie zainteresowanych", a także są udziałem klasy "osób żywotnie zainteresowanych" działających w firmach. Wstępnie podkreśliłem, że wszystkie "osoby żywotnie zainteresowane" (zarówno określane "pierwszoplanowymi",...
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Strategia personalna firm.
PublikacjaW artykule zanalizowano wpływ strategii personalnej na zarządzanie przedsiębiorstwem. Przedstawiono substrategie personalne praktykowane przez polskie firmy.
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Reliability of UAVs in Fire Services Operations. Tests and Measurements of Selected Parameters
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Numerical analysis of the influence of combustible material on the temperature field during fire
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Risks related to car fire on innovative Poroelastic Road Surfaces-PERS
PublikacjaTo reduce tyre/road noise, the concept of poroelastic road surfaces (PERS) was invented. PERS is a road surface material that is porous, and at the same time, it is flexible because of the substantial amount of rubber granulate content (from 20% to 85%). The rubber and stone particles are bound by polyurethane resin instead of bitumen. It was feared that in case of fire, because of the high content of rubber and polyurethane, there...
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Theoretical modelling of efficient fire safety water networks by certified domination
PublikacjaThis paper explores a new way of designing water supply networks for fire safety using ideas from graph theory, focusing on a method called certified domination. Ensuring a good water supply is crucial for fire safety in communities, this study looks at the rules and problems in Poland for how much water is needed to fight fires in different areas and how this can be achieved at a lowest possible cost. We present a way to plan...
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An in-depth look at the tire rubber hardness influence on tire/road noise measurements
PublikacjaWhen assessing the acoustic quality of a road pavement with the close-proximity (CPX) or the on-board sound intensity (OBSI) method, the rubber hardness of the reference tire substantially affects the measurement. Practical experience shows that measurement tires can get significantly harder within a single measurement season. This is why one would like to normalize measurements to a reference rubber hardness. The recently published...
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CORROSION TESTING OF SAMPLES ACCORDING TO ASTM G36
PublikacjaAt the end of the study, samples were found to have structures characteristic for intercrystalline corrosion. This indicates that the samples provided (fragments of the whole) were sensitized before starting the study in boiling MgCl2.On cross sections, fine cracks are observed on all samples tested.
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An Experimental Facility for Rapid Testing of SCR Systems
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A method for the tribological testing of thin, hard coatings
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Special Issue: “Non-Destructive Testing of Structures”
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Recent breakthroughs in the stability testing of pharmaceutical compounds
PublikacjaPharmaceutical development is mostly focused on the research leading to approval of a new and viable active substance. However, there is a number of old generation compounds that are still being used in contemporary medicinal practice. So that new analytical developments should cover not only the safety of newly developed drug substances, which is obvious, but should also be directed into the search of individual stability issues...
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Bearing testing machine with rotating load vector.
PublikacjaW pracy przedstawiono koncepcję konstrukcyjną i prototyp stanowiska badawczego z wirująca reakcją łożyskową przeznaczonego do testowania wytrzymałości zmęczeniowej warstw ślizgowych w łożyskach poprzecznych. Konstrukcja i przeznaczenie maszyny zbudowanej w laboratorium tribologicznym Politechniki Gdańskiej jest zgodna z zaleceniami normy ISO 7905. Przeanalizowano zalety i wady maszyny badawczej o takim wzorcu obciążenia testującego.
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Testing for conformance of parallel programming pattern languages
PublikacjaThis paper reports on the project being run by TUG and IMAG, aimed at reducing the volume of tests required to exercise parallel programming language compilers and libraries. The idea is to use the ISO STEP standard scheme for conformance testing of software products. A detailed example illustrating the ongoing work is presented.
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Testing A Novel Gesture-Based Mixing Interface
PublikacjaWith a digital audio workstation, in contrast to the traditional mouse-keyboard computer interface, hand gestures can be used to mix audio with eyes closed. Mixing with a visual representation of audio parameters during experiments led to broadening the panorama and a more intensive use of shelving equalizers. Listening tests proved that the use of hand gestures produces mixes that are aesthetically as good as those obtained using...
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Diagnostics of zno varistors by means of nondestructive testing
PublikacjaStandard industrial testing of high-voltage varistors for surge arresters demands application of high voltages and intensive currents. Nondestructive methods for varistor quality and endurance evaluation have been proposed and described. They rely on the application of resonant ultrasound spectroscopy, electro-ultrasonic spectroscopy, noise measurement and nonlinearity testing at voltages lower than continuous operating range....
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Quality testing methods of foil-based capacitors
PublikacjaKondensatory foliowe są powszechnie stosowanymi elementami pasywnymi w ukłądach zasilania. Dotychczasowe metody oceny ich jakości są długotrwałe oraz zużywają energię. W pracy przedstawiono propozycje szeregu nowych, bardziej efektywnych metod, które mogą być z sukcesem stosowane podczas ich produkcji.
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Load testing of a suspended footbridge in Radom (Poland)
PublikacjaThe footbridge in Radom is a suspended bridge of an interesting architectural form. The structure was de-signed for 4 kN/m2 of crowd loading. Dynamic calculations were not included in the design. The structure’s acceptance tests took place on the 14th of October 2016. The behaviour of the footbridge in static testing met the expectations. Unfortunately, as a result of dynamic tests, dangerous behaviour of the footbridge was revealed....
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Usability Testing of Mobile Applications: A Methodological Framework
PublikacjaLess than five percent of all mobile applications have become successful throughout 2023. The success of a new mobile application depends on a variety of factors ranging from business understanding, customer value, and perceived quality of use. In this sense, the topic of usability testing of mobile applications is relevant from the point of view of user satisfaction and acceptance. However, the current knowledge seems to be fragmented,...
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Residual Current Devices: Selection, Operation, and Testing
PublikacjaIn this book, the idea for residual current protection has been presented. The evolution in construction types of residual current devices, which has taken place over decades, is discussed. Types and functional properties of the contemporary residual current devices are described. The main parameters of these devices, from the point of view of their selection and application, are indicated. Special constructions of the protective...
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Special Issue: “Non-Destructive Testing of Structures”
PublikacjaThe Special Issue “Non-Destructive Testing of Structures” has been proposed to present recent developments in the field of diagnostics of structural materials and components in civil and mechanical engineering. The papers highlighted in this editorial concern various aspects of non-invasive diagnostics, including such topics as condition assessments of civil and mechanical structures and connections of structural elements, the...
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Fire
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Evaluation of Fire Hazard in Electrical Installations Due to Unfavorable Ambient Thermal Conditions
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Reliability and Operating Analysis of Transmission of Alarm Signals of Distributed Fire Signaling System
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Selected Issues Associated with the Operational and Power Supply Reliability of Fire Alarm Systems
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The analysis of the operational process of a complex fire alarm system used in transport facilities
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Application of RCD and AFDD in low-voltage electrical installations for protection against fire
PublikacjaThe paper presents the principles of application of residual current devices (RCDs) in protection against fire. The permissible rated residual operating current of RCDs is discussed. Limitations in the operation of RCDs in this type of protection are indicated. A new type of a protective device against fire – arc fault detection device (AFDD) – is described.