Filtry
wszystkich: 1895
wyświetlamy 1000 najlepszych wyników Pomoc
Wyniki wyszukiwania dla: VIRAL INFECTION
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Mediterranean Journal of Infection Microbes and Antimicrobials
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Southern African Journal of Epidemiology and Infection
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Bacteriophages as potential tools for use in antimicrobial therapy and vaccine development
PublikacjaThe constantly growing number of people suffering from bacterial, viral, or fungal infections, parasitic diseases, and cancers prompts the search for innovative methods of disease prevention and treatment, especially based on vaccines and targeted therapy. An additional problem is the global threat to humanity resulting from the increasing resistance of bacteria to commonly used antibiotics. Conventional vaccines based on bacteria...
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Control of five-phase induction motor
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Double Fed Induction Machine Drives
PublikacjaContents of the Chapter 22:Machine model.Properties of the DFM.Steady state machine operation.Control rules and decoupled control.Decoupling based on MM machine model.Decoupling based on vector model.Decoupling based on rotor current equation.Overall control system.Control system based on MM model.Control system based on vector model.Estimation of variables.Calculation of the angle between stator and rotor.Remarks about digital...
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Inflation Forecast or Forecast(s) Targeting?
PublikacjaThe paper refers to L.E.O. Svensson’s concept of inflation forecast targeting (IFT) and its implementation by central banks of Sweden, Norway and the Czech Republic. The study focuses on (1) inflation forecasts published by selected central banks, i.e.headline inflation and core or monetary policy-relevant (MPR) inflation, which are made on the assumption of endogenous instrument rate, (2) one-year consumer...
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Sensorless Control of Polyphase Induction Machines
PublikacjaThe basics of transformations of polyphase systems into orthogonal systems are explained. Vector models of induction machines in orthogonal planes are analysed and multiscalar models for rotor flux and main flux together with stator current are presented. A speed observer based on an extended model of the induction machine for selected variables is applied in the control system for the induction machine. On the basis of the model...
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Inspection of circular saw teeth quality
PublikacjaDokładność geometryczna ostrzy piły tarczowej znacząco wpływa na efekty przecinania i odgrywa znaczacą rolę w ekonomice każdego zakładu przerobu drewna. Ocena jakości piły jest możliwa na bazie monitorowania dokładności geometrycznej każdego ostrza piły. Opracowany do tego celu wizyjny kontroler ostrzy pił tarczowych został przedstawiony w artykule.
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DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
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New Microbes and New Infections
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Japanese Journal of Environmental Infections
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Central banks and the weaponization of inflation
WydarzeniaSerdecznie zapraszamy na kolejny webinar z cyklu Rethinking Economics Gdańsk.
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Oxidative Modification of Proteins in Pediatric Cystic Fibrosis with Bacterial Infections
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Application of injection under base of bored piles in cohesive soils.
PublikacjaPrzedstawiono zastosowanie oryginalnej metody iniekcji podstawy pali wielkośrednicowych w iłach pęczniejących. Scharakteryzowano parametry geotechniczne iłów, przedstawiono parametry iniekcji oraz omówiono wyniki próbnych obciążeń statycznych dla dwóch pali wielkośrednicowych.
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Asynchronous Charge Carrier Injection in Perovskite Light-Emitting Transistors
PublikacjaUnbalanced mobility and injection of charge carriers in metal-halide perovskite light-emitting devices pose severe limitations to the efficiency and response time of the electroluminescence. Modulation of gate bias in methylammonium lead iodide light-emitting transistors has proven effective in increasing the brightness of light emission up to MHz frequencies. In this work, a new approach is developed to improve charge carrier...
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Analogues of muramyl dipeptide (MDP) and tuftsin limit infection and inflammation in murine model of sepsis
PublikacjaBadano koniugaty MDP z tuftsyną oraz pochodną tuftsyny w leczeniu ciężkich infekcji bakteryjnych takich jak posocznica. Oceniano aktywność żerną komórek układu fagocytów jednojądrzastych, wpływ na klirens bakteryjny kluczowych organów wewnętrznych oraz ekspresję genów dla cytokin pro- i antyzapalnych charakterystycznych dla odpowiedzi immunologicznej w posocznicy i indukowanych działaniem analizowanych zwiazków. W badaniach in...
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Hepatitis delta virus infection in chronically HBV-infected patients from northern Poland
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Acinetobacter baumannii isolated from hospital‐acquired infection: biofilm production and drug susceptibility
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Theoretical Investigation of the Coronavirus SARS-CoV-2 (COVID-19) Infection Mechanism and Selectivity
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Fowl adenovirus strains 1/A and 11/D isolated from birds with reovirus infection
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Vaccine versus infection – COVID-19-related loss of training time in elite athletes
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A shear stress micromodel of urinary tract infection by the Escherichia coli producing Dr adhesin
PublikacjaIn this study, we established a dynamic micromodel of urinary tract infection to analyze the impact of UT-segment-specific urinary outflow on the persistence of E. coli colonization. We found that the adherence of Dr+ E. coli to bladder T24 transitional cells and type IV collagen is maximal at lowest shear stress and is reduced by any increase in flow velocity. The analyzed adherence was effective in the whole spectrum of physiological...
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CLINICAL MICROBIOLOGY AND INFECTION
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CLINICAL INFECTIOUS DISEASES
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Infectious Disease Reports
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Infectious Agents and Cancer
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Infectious Diseases of Poverty
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Infectious Diseases and Therapy
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Drug Invention Today
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Anti-Infective Agents
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Infectious Diseases Now
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Infectious Microbes & Diseases
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Infectious Disease Modelling
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JOURNAL OF INFECTIOUS DISEASES
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Transplant Infectious Disease
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Z type Observer Backstepping For Induction Machines
PublikacjaThis paper contains a relatively new synthesis method for non-linear objects, named backstepping. This method can be used to obtain the observer structure. The paper presents the structure of the speed observer which is a new proposition of observer backstepping with additional state variables marked Z. The rotor speed can be estimated in three different ways. The first is based on the adaptive approach, the second on the nonadaptive...
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Splenic infarction as a complication of laparoscopic sleeve gastrectomy
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Current measurement and analysis for induction motor diagnostics
PublikacjaPrzedstawiono sposób diagnozowania łożysk tocznych w silnikach indukcyjnych z wykorzystaniem pomiarów i analizy prądu zasilającego silnik. Zaprezentowano metodę pomiarową i opracowania danych diagnostycznych. Uzyskano zgodność częstotliwości składowych widma prądu otrzymanych z badań teoretycznych i eksperymentalnych.Podano wyniki badań łożysk o róznych uszkodzeniach i prawdopodobieństwa poprawnych diagnoz.
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Glycyrrhetinic acid and its derivatives in infectious diseases
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Protection System Design of Induction Motor for Industries
PublikacjaThe fundamental and durable structures of induction motor, as well as their low manufacturing cost, make them popular components in a wide range of current applications. Providing a safety net for employees is a must-have for businesses. This project’s motivation for improvement is to provide industrial motors, lift motors, pumps, and so on with safety. An induction motor’s primary goal is to protect it from problems, such as...
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Multiple Group Membership and Collective Action Intention
PublikacjaDatasets from two studies conducted in Poland on the relation between identity fusion, group identification, multiple group membership, perceived injustice, and collective action intention. The presented studies, in the context of protests against attempts to restrict abortion law, were conducted to examine the link between belonging to multiple groups, group efficacy & identification, perceived injustice and collective...
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Protection System Design of Induction Motor for Industries
PublikacjaThe fundamental and durable structures of induction motor, as well as their low manufacturing cost, make them popular components in a wide range of current applications. Providing a safety net for employees is a must-have for businesses. This project’s motivation for improvement is to provide industrial motors, lift motors, pumps, and so on with safety. An induction motor’s primary goal is to protect it from problems, such as...
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Diagnostics of induction motor bearings - possibility of measurements
PublikacjaIn induction motors damage in the elements of electromagnetic system, for example in the wiring of stator, rotor or in the magnetic circuit can appear as well as damage of mechanical parts (bearings, rotor, shaft). Bearing diagnostics is so important in supervision of motor condition, because extensive research shows that the bearings arethe elements most susceptible to damage. This paper presents the research which the author...
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Sliding mode multiscalar control of induction motor
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Frequency characteristics of induction machine speed observers
PublikacjaWłaściwości napędu bezczujnikowego z silnikiem indukcyjnym zależą od struktury obserwatora prędkości. System ten wymaga starannej analizy w przypadku uszkodzenia maszyny, której celem jest odpowiedź na pytania: jak układ regulacji pracuje przy niesymetrii maszyny spowodowanej np. uszkodzeniem klatki wirnika oraz jak obserwator odtwarza pulsacje prędkości spowodowane niesymetrią maszyny. W artykule przedstawiono charakterystyki...
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Advances in CSI-fed induction motor drives
PublikacjaThe application of current source inverters (CSI)in induction motor (IM) drives offers a number of advantages,including: voltage boosting capability, natural shoot-throughshort-circuit protection and generation of sinusoidal voltages.The exact generation of sinusoidal voltages is possible thanks tothanks to the effect of the output ac filter capacitors and mayimprove the accuracy of sensorless IM control. The eliminationof high...
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Induction of the common-sense hierarchies in lexical data
PublikacjaUnsupervised organization of a set of lexical concepts that captures common-sense knowledge inducting meaningful partitioning of data is described. Projection of data on principal components allow for dentification of clusters with wide margins, and the procedure is recursively repeated within each cluster. Application of this idea to a simple dataset describing animals created hierarchical partitioning with each clusters related...
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Wearable Cardioverter–Defibrillator after Myocardial Infarction
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Quality inspection system in flexible manufacturing cell.
PublikacjaPublikacja dotyczy struktury procesu produkcyjnego w środowisku komputerowo zintegrowanego wytwarzania (computer integrated manufacturing - CIM). Ukazuje ona aspekty kontroli jakości wykonania części na różnych etapach procesu wytwórczego, podkreślając jego istotność. W celu dokonania szczegółowej analizy problemu zebrano dane o jakości wykonania części na poszczególnych poziomach wytwarzania. Analizy dowiodły, że jakość wykonania...
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State Observer for Doubly-fed Induction Generator
PublikacjaIn the paper a new state observer for doubly-fed generator has been proposed. In the new approach an extended mathematical model of the doubly fed generator is used to form equations of the introduced z type observer. Stability of the observer has been verified through poles placement analyses. The active and reactive powers of the generator are controlled by a nonlinear multiscalar control method. Simulation and experimental results...