Wyniki wyszukiwania dla: water leakage detection. - MOST Wiedzy

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Wyniki wyszukiwania dla: water leakage detection.

Wyniki wyszukiwania dla: water leakage detection.

  • Experiment with small objects floating under water in the harbor security aspect.

    Publikacja

    - Rok 2013

    Observation of the underwater area is the element of general trend which primary purpose is to protect and enhance the safety of the selected region. The aim of the paper is to present the acoustic characteristics of typical objects floating on the surface or under the water, which constitute some knowledge on how to detect these objects. Create a catalog of acoustic signatures and acoustic images of objects mostly floating under...

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  • Water Reuse - project 2022/2023

    Kursy Online
    • A. Wargin

    w ramach tego kursu przekazywane są informacje związane z projektem prowadzonym przez Alinę Wargin.  Kierownikiem przedmiotu jest prof. Krzysztof Czerwionka.   This course provides information related to the project led by Alina Wargin. The head of the subject is prof. Krzysztof Czerwionka.

  • Water Reuse - project 2023/2024

    Kursy Online
    • A. Wargin

    w ramach tego kursu przekazywane są informacje związane z projektem prowadzonym przez Alinę Wargin.  Kierownikiem przedmiotu jest prof. Krzysztof Czerwionka.   This course provides information related to the project led by Alina Wargin. The head of the subject is prof. Krzysztof Czerwionka.

  • WATER ENVIRONMENT RESEARCH

    Czasopisma

    ISSN: 1061-4303 , eISSN: 1554-7531

  • Direct detection of quantum entanglement

    Publikacja

    - PHYSICAL REVIEW LETTERS - Rok 2002

    Basing on positive maps separability criterion we propose the experimentally viable, direct detection of quantum entanglement. It is efficient and does not require any a priori knowledge about the state. For two qubits it provides a sharp (i.e., “if and only if”) separability test and estimation of amount of entanglement. We view this method as a new form of quantum computation, namely, as a decision problem with quantum data structure.

  • Comparison of edge detection algorithms for electric wire recognition

    Publikacja

    Edge detection is the preliminary step in image processing for object detection and recognition procedure. It allows to remove useless information and reduce amount of data before further analysis. The paper contains the comparison of edge detection algorithms optimized for detection of horizontal edges. For comparison purposes the algorithms were implemented in the developed application dedicated to detection of electric line...

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  • Molecularly imprinted polymers for the detection of volatile biomarkers

    Publikacja

    - TRAC-TRENDS IN ANALYTICAL CHEMISTRY - Rok 2024

    In the field of cancer detection, the development of affordable, quick, and user-friendly sensors capable of detecting various cancer biomarkers, including those for lung cancer (LC), holds utmost significance. Sensors are expected to play a crucial role in the early-stage diagnosis of various diseases. Among the range of options, sensors emerge as particularly appealing for the diagnosis of various diseases, owing to their cost-effectiveness,...

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  • Identification and antimicrobial resistance of Enterococcus spp. isolated from surface water

    In the study species distributions and antimicrobial resistance profiles were determined among riverine Enterococcus spp. Susceptibility of the isolates was tested against: ampicillin, imipenem, teicoplanin, vancomycin, erythromycin, linezolid, fosfomycin, ciprofloxacin,levofloxacin, moxifloxacin, tetracycline, high levels of gentamicin and streptomycin. The enterococci were detected in all of the analyzed water samples, periodically...

  • Rating by detection: an artifact detection protocol for rating EEG quality with average event duration

    Publikacja
    • D. Węsierski
    • M. R. Rufuie
    • O. Milczarek
    • W. Ziembla
    • P. Ogniewski
    • A. Kołodziejak
    • P. Niedbalski

    - Journal of Neural Engineering - Rok 2023

    Quantitative evaluation protocols are critical for the development of algorithms that remove artifacts from real EEG optimally. However, visually inspecting the real EEG to select the top-performing artifact removal pipeline is infeasible while hand-crafted EEG data allow assessing artifact removal configurations only in a simulated environment. This study proposes a novel, principled approach for quantitatively evaluating algorithmically...

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  • Pool Boiling of Water–Al2O3 and Water–Cu Nanofluids Outside Porous Coated Tubes

    This paper deals with pool boiling ofwater–Al2O3 and water–Cu nanofluids on porous coated, horizontal tubes. Commercially available stainless-steel tubes having 10 mm outside diameter and 0.6 mm wall thickness were used to fabricate a test heater. Aluminum porous coatings 0.15 mm thick with porosity of about 40% were produced by plasma spraying. A smooth tube served as a reference tube. The experiments were conducted under different...

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  • Toward Robust Pedestrian Detection With Data Augmentation

    Publikacja

    In this article, the problem of creating a safe pedestrian detection model that can operate in the real world is tackled. While recent advances have led to significantly improved detection accuracy on various benchmarks, existing deep learning models are vulnerable to invisible to the human eye changes in the input image which raises concerns about its safety. A popular and simple technique for improving robustness is using data...

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  • Faults and Fault Detection Methods in Electric Drives

    Publikacja

    The chapter presents a review of faults and fault detection methods in electric drives. Typical faults are presented that arises for the induction motor, which is valued in the industry for its robust construction and cost-effective production. Moreover, a summary is presented of detectable faults in conjunction with the required physical information that allow a detection of specific faults. In order to address faults of a complete...

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  • PCR detection of Scopulariopsis brevicaulis

    Scopulariopsis brevicaulis is known as a most common etiological factor of the mould toenail infections. There are also reports indicating that S. brevicaulis could cause organ and disseminated infections. Nowadays microscopic observations from the direct sample and culture are crucial for the appropriate recognition of the infection. In this paper is presented a PCR-based method for S. brevicaulis detection. The specificity of...

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  • Molecular detection of Candida krusei

    The species identification of fungi belonging to genus Candida is an important issue as this genus becomes the emerging problem of nosocomial infections. As Candida krusei presents intrinsicresistance to the fluconazole that is the drug of the first choice in case of invasive candidiasis the PCR identifying the DNA of C. krusei was elaborated. The analytical sensitivity of the assay on spiked blood samples was estimated at 3-5...

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  • Wojciech Litwin dr hab. inż.

    1992÷1996 – Studia na Wydziale Mechanicznym Politechniki Gdańskiej1996 – Zatrudniony na Wydziale Oceanotechniki i Okrętownictwa PG2004 – Obrona pracy doktorskiej2014 – obrona rozprawy habilitacyjnej2012 – obejmuje funkcję prodziekan ds. Nauki na Wydziale Oceanotechniki i OkrętownictwaUczestniczył w wielu projektach badawczych oraz pracach zleconych przez przemysł związanych z łożyskowaniem ślizgowym wałów głównych oraz niekonwencjonalnymi...

  • A framework for automatic detection of abandoned luggage in airport terminal

    Publikacja

    A framework for automatic detection of events in a video stream transmitted from a monitoring system is presented. The framework is based on the widely used background subtraction and object tracking algorithms. The authors elaborated an algorithm for detection of left and removed objects based on mor-phological processing and edge detection. The event detection algorithm collects and analyzes data of all the moving objects in...

  • Face detection algorithms evaluation for the bank client verification

    Publikacja

    Results of investigation of face detection algorithms in the video sequences are presented in the paper. The recordings were made with a miniature industrial USB camera in real conditions met in three bank operating rooms. The aim of the experiments was to check the practical usability of the face detection method in the biometric bank client verification system. The main assumption was to provide as much as possible user interaction...

  • Investigations On Water Circulation in Animal Sea-Water Basins – On the Example of Seals′ Breeding Pools

    Publikacja

    This paper presents general comments concerning investigations on water circulation in animal breeding pools containing sea water. As an example are given results of computer simulation of water circulation in seals’ breeding pools situated in Marine Station at Hel, belonging to Oceanographic Institute, Gdansk University. A mathematical model of three main pools was prepared with taking into account their inflow and outflow water...

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  • Direct spectrum detection based on Bayesian approach

    The paper investigates the Bayesian framework's performance for a direct detection of spectrum parameters from the compressive measurements. The reconstruction signal stage is eliminated in by the Bayesian Compressive Sensing algorithm, which causes that the computational complexity and processing time are extremely reduced. The computational efficiency of the presented procedure is significantly...

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  • Probabilistic Assessment of Correlations of Water Levels in Polish Coastal Lakes with Sea Water Level with the Application of Archimedean Copulas

    Publikacja
    • K. Plewa
    • A. Perz
    • D. Wrzesiński
    • L. Sobkowiak

    - Water - Rok 2019

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  • Stability of borophene dispersion in water

    Dane Badawcze
    open access

    This dataset contains the results of the studies of stability of borophene dispersion in water (1 µg/µL) based on the measurements of absorbance of the solution using UV-VIS spectroscopy. 

  • Automatic Incident Detection at Intersections with Use of Telematics

    While there are many examples of Intelligent Transport System deployments in Poland, more attention should be paid to traffic incident management and detection on dual-carriageways and urban street networks. One of the aims of CIVITAS DYN@MO, a European Union funded project, is to use TRISTAR (an Urban Transport Management System) detection modules to detect incidents at junctions equipped with traffic signals. First part of paper...

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  • Specific detection of Alternaria alternata by PCR and real-time PCR

    Fungi of Alternaria genus are cosmopolitan organisms, which spores can be found in the air, soil, water, clothing and food. They commonly occur as saprotrophs on the plant remains, contributing to the decomposition of organic matter. Additionally, they are components of the normal human and animal skin flora. Alternaria spp. are also known human allergens, causing hay fever and allergic reactions that can lead to the development...

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  • Robust Monitoring of Water Quality in Drinking Water Distribution System

    Publikacja

    - Rok 2013

    The paper develops a novel open loop set bounded observer for robust estimation of water quality in DWDS based on the advanced nonlinear quality dynamics model including disinfections by-products (DBPs). The observer utilises a cooperativeness of the quality dynamics model and is computationally efficient, hence applicable to on-line quality monitoring. The simulation results illustrate its good and sustainable performance.

  • Multi-objective optimization of water quality, pumps operation, and storage sizing of water distribution systems

    Publikacja

    A multi-objective methodology utilizing the Strength Pareto Evolutionary Algorithm (SPEA2) linked to EPANET for trading-off pumping costs, water quality, and tanks sizing of water distribution systems is developed and demonstrated. The model integrates variable speed pumps for modeling the pumps operation, two water quality objectives (one based on chlorine disinfectant concentrations and one on water age), and tanks sizing cost...

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  • Detection of impulsive disturbances in archive audio signals

    Publikacja

    In this paper the problem of detection of impulsive disturbances in archive audio signals is considered. It is shown that semi-causal/noncausal solutions based on joint evaluation of signal prediction errors and leave-one-out signal interpolation errors, allow one to noticeably improve detection results compared to the prediction-only based solutions. The proposed approaches are evaluated on a set of clean audio signals contaminated...

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  • Magnetic and infrared thermography methods in detection of antipersonnel landmines

    In this paper the two alternative methods of antipersonnel landmine detection are shown: the magnetic method and the active infrared thermography. The experimental results of the detection of selected, plastic mines using both methods are also presented.

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  • Weighted Clustering for Bees Detection on Video Images

    Publikacja

    This work describes a bee detection system to monitor bee colony conditions. The detection process on video images has been divided into 3 stages: determining the regions of interest (ROI) for a given frame, scanning the frame in ROI areas using the DNN-CNN classifier, in order to obtain a confidence of bee occurrence in each window in any position and any scale, and form one detection window from a cloud of windows provided by...

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  • Remote Sensing in Vessel Detection and Navigation

    Publikacja

    - SENSORS - Rok 2020

    The Special Issue (SI) “Remote Sensing in Vessel Detection and Navigation” highlighted a variety of topics related to remote sensing with navigational sensors. The sequence of articles included in this Special Issue is in line with the latest scientific trends. The latest developments in science, including artificial intelligence, were used. The 15 papers (from 23 submitted) were published.

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  • Car wash water reuse

    Dane Badawcze
    open access

    The resistance of automotive coatings to washing water recovered in 50% and 70% from wastewater generated at car wash was tested. The wastewater was purified in the ultrafiltration process using tubular polyvinylidene fluoride membranes (100 and 200 kDa) manufactured by PCI company. The membranes retained oil contamination and over 50% of surfactants....

  • Impact of Climate Change on Water Sources and River‐Floodplain Mixing in the Natural Wetland Floodplain of Biebrza River

    Publikacja

    - WATER RESOURCES RESEARCH - Rok 2023

    The origins of river and floodplain waters (groundwater, rainfall, and snowmelt) and their extent during overbank flow events strongly impact ecological processes such as denitrification and vegetation development. However, the long-term sensitivity of floodplain water signatures to climate change remains elusive. We examined how the integrated hydrological model HydroGeoSphere and the Hydraulic Mixing-Cell method could help us...

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  • Water Behavior Near the Lipid Bilayer

    Publikacja

    - Rok 2021

    In this chapter, we focus on the dynamics of water molecules situated in the vicinity of a phospholipid bilayer. Using a molecular dynamics simulation method, we studied interactions between water and the bilayer and tracked trajectories of the water molecules. Based on the hypothesis that molecules trapped inside the bilayer make different motions than the ones which are either attached to the surface or move freely in the water...

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  • Metrological analysis of precision of the system of delivering a water capsule for explosive production of water aerosol

    Publikacja
    • G. Śmigielski
    • W. Toczek
    • R. Dygdała
    • K. Stefański

    - Metrology and Measurement Systems - Rok 2016

    In this paper an analysis of precision of the system controlling delivery by a helicopter of water-capsule designed for extinguishing large scale fires is presented. The analysis was performed using the numerical method of distribution propagation (Monte Carlo method) supplemented with results of application of the uncertainty propagation method. In addition the optimum conditions for the airdrop are determined to ensure achievement...

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  • Quantum randomness protected against detection loophole attacks

    Publikacja
    • P. A. Mironowicz
    • G. Cañas
    • J. Cariñe
    • E. S. Gómez
    • J. F. Barra
    • A. Cabello
    • G. B. Xavier
    • G. Lima
    • M. Pawłowski

    - Quantum Information Processing - Rok 2021

    Device and semi-device-independent private quantum randomness generators are crucial for applications requiring private randomness. However, they are vulnerable to detection inefficiency attacks and this limits severely their usage for practical purposes. Here, we present a method for protecting semi-device-independent private quantum randomness generators in prepare-and-measure scenarios against detection inefficiency attacks....

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  • WATER INTERNATIONAL

    Czasopisma

    ISSN: 0250-8060 , eISSN: 1941-1707

  • Water Resources

    Czasopisma

    ISSN: 0097-8078 , eISSN: 1608-344X

  • WATER POLICY

    Czasopisma

    ISSN: 1366-7017

  • WATER SA

    Czasopisma

    ISSN: 0378-4738 , eISSN: 1816-7950

  • E-Water

    Czasopisma

    ISSN: 1994-8549

  • Water and Ecology

    Czasopisma

    ISSN: 2305-3488

  • Frontiers in Water

    Czasopisma

    eISSN: 2624-9375

  • Water Security

    Czasopisma

    eISSN: 2468-3124

  • Water Cycle

    Czasopisma

    eISSN: 2666-4453

  • Water Reuse

    Czasopisma

    ISSN: 2709-6092 , eISSN: 2709-6106

  • Water Waves

    Czasopisma

    ISSN: 2523-367X , eISSN: 2523-3688

  • Time-current tripping curves of arc fault detection devices

    Tripping curves of arc fault detection devices, in accordance with PN-EN 62606 “General requirements for arc fault detection devices” have been presented in the paper. Consequently the most fundamental differences in arc fault detection devices tripping compared to circuit-breakers and residual current devices have been indicated.

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  • Detection of Toxoplasma gondii in meat - available techniques

    Publikacja

    - Rok 2012

    Toxoplasma gondii, which belongs to the phylum Apicomplexa, is an absolute intercellular parasite that infects a wide range of hosts, including warm-blooded animals and humans. An infection with this parasite causes toxoplasmosis, which in most cases remains latent. However, this disease is a major threat to immunocompromised people and pregnant women. In extreme cases, it can damage nervous system or case fatal abortion. Infected...

  • Applications of Raman spectroscopy for detection of selected substances in tissues

    Publikacja

    - Rok 2019

    This dissertation explores the applications of Raman spectroscopy for biological tissue analysis. Basics of Raman and surface-enhanced Raman spectroscopy (SERS) are described, along with an analysis of the literature on biodetection and non-invasive blood analysis with emphasis on glucose detection. Instrumentation for Raman measurements is described. The sources of noise and interferences occurring in biological tissue measurements...

  • A survey of neural networks usage for intrusion detection systems

    In recent years, advancements in the field of the artificial intelligence (AI) gained a huge momentum due to the worldwide appliance of this technology by the industry. One of the crucial areas of AI are neural networks (NN), which enable commer‐ cial utilization of functionalities previously not accessible by usage of computers. Intrusion detection system (IDS) presents one of the domains in which neural networks are widely tested...

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  • Particle size analysis of suspensions in removing of organic matter and phosphorus from waste water and surface water

    Publikacja

    - Rok 2011

    In this paper the particle size of suspended solids in the removing of organic matter and phosphorus compounds from lake- and waste- water treated in the Ecological Treatment Systems (ETS) was analyzed.The invesigated materials were taken from two ETS located in Pomerania Region/Poland. Object in Swarzewo is 3rd stage of biological treatment of municipal waste water, while object in Kartuzy has task to remove a phosphorus from...