Filtry
wszystkich: 1726
wybranych: 1007
-
Katalog
- Publikacje 1007 wyników po odfiltrowaniu
- Czasopisma 27 wyników po odfiltrowaniu
- Konferencje 2 wyników po odfiltrowaniu
- Wydawnictwa 1 wyników po odfiltrowaniu
- Osoby 193 wyników po odfiltrowaniu
- Wynalazki 19 wyników po odfiltrowaniu
- Projekty 18 wyników po odfiltrowaniu
- Laboratoria 1 wyników po odfiltrowaniu
- Aparatura Badawcza 6 wyników po odfiltrowaniu
- Kursy Online 84 wyników po odfiltrowaniu
- Wydarzenia 72 wyników po odfiltrowaniu
- Dane Badawcze 296 wyników po odfiltrowaniu
Filtry wybranego katalogu
wyświetlamy 1000 najlepszych wyników Pomoc
Wyniki wyszukiwania dla: ECO-FOOTPRINT
-
Initial Field Validation of Poroelastic Pavement Made with Crumb Rubber, Mineral Aggregate and Highly Polymer-Modified Bitumen
PublikacjaTire/road noise in most driving conditions dominates other sources of traffic noise. One of the most efficient ways of reducing tire/road noise is to use the so-called “low noise pavement”. According to numerous studies, at present, poroelastic road pavement that is composed of rubber and mineral aggregate and polyurethane or bituminous binder gives the best noise reduction up to 12 dB. Unfortunately, there are many problems with...
-
Multiaspect measurement analysis of breaking energy recovery
PublikacjaNowadays the issue of electric energy saving in public transport is becoming a key area of interest, which is connected both with a growth of environmental awareness in the society and an increase in the prices of fuel and electricity. That is why the reduction of energy consumption by increasing electrified urban transport, such as trams, trolleybuses, light rail and underground is becoming an increasingly important issue. Energy...
-
Simulation-driven size-reduction-oriented design of multi-band antennas by means of response features
PublikacjaThis study addresses the problem of explicit size reduction of multi-band antennas by means of simulation-driven optimisation. The principal difficulty of electromagnetic (EM)-based miniaturisation of multi-band antennas is that several resonances have to be controlled independently (both in terms of their frequency allocation and depth) while attempting to reduce physical dimensions of the structure at hand. The design method...
-
A novel dual-band rectifier circuit with enhanced bandwidth for RF energy harvesting applications
PublikacjaIn recent years, a rapid development of low-power sensor networks, enabling machine-to-machine communication in applications such as environmental monitoring, has been observed. Contemporary sensors are normally supplied by an external power source, typically in a form of a battery, which limits their lifespan and increases the maintenance costs. This problem can be addressed by harvesting and converting ambient RF energy into...
-
The Thin-Layer Microchromatography (μTLC) and TLC–FID Technique as a New Methodology in the Study of Lubricating Oils
PublikacjaThis paper concerns the possibility of using TLC coupled with a flame ionization detector (FID) and micro-TLC (μTLC) as precursors for microfluidized devices of analytical techniques to identify and determine the presence and content of the petroleum/vegetable oil base in the lubricating oils applied in cutting devices (chainsaws). This research is related to the problem of ensuring, in compliance with the requirements of environmental...
-
Assessment of the Environmental Impact of a Car Tire throughout Its Lifecycle Using the LCA Method
PublikacjaThere are numerous threats to the natural environment that pose a significant risk both to the environment and to human health, including car tires. Thus, there is a need to determine the impact of the life cycle of car tires on the environment, starting with the processes of raw materials acquisition, production, and ending with end-of-life management. Therefore, the authors of this study chose to do research on passenger car...
-
Accurate rolling resistance Rolling resistance measurements can be influenced by a number of factors
PublikacjaTire rolling resistance is one of the most difficult-to-measure parameters of the tire/ pavement interface, especially if road measurements are required. First of all, it is necessary to measure a fairly small force in the system that is heavily loaded by other forces and subjected to many adverse effects causing measurement errors. The second problem is related to the fact that tire rolling resistance depends on many factors,...
-
Manufacturing and Recycling Impact on Environmental Life Cycle Assessment of Innovative Wind Power Plant Part 2/2
PublikacjaThe process of conversion of wind kinetic energy into electricity in innovative wind power plant emits practically no harmful substances into the environment. However, the production stage of its components requires a lot of energy and materials. The biggest problem during production plan-ning process of an innovative wind power plant is selection of materials and technologies and, consequently, the waste generated at this stage....
-
Green analytical chemistry metrics: A review
PublikacjaGreen analytical chemistry encourages reducing the use of toxic chemicals/reagents, using energy-efficient equipment, and generating minimal waste. The recent trends in analytical method development focus on the miniaturization of the sample preparation devices, the development of solventless or solvent-minimized extraction techniques, and the utilization of less toxic solvents. The twelve principles of GAC serve as a basic guideline...
-
Simultaneous removal of heavy metals and dyes in water using a MgO-coated Fe3O4 nanocomposite: Role of micro-mixing effect induced by bubble generation
PublikacjaThis study focused on the development of a nano-adsorbent for contaminant removal without the use of any external energy. An eco-friendly Fe3O4@MgO core-shell nanocomposite was synthesized and tested for the removal of a heavy metal, lead (Pb2+) and a dye, rhodamine B (RhB). The addition of H2O2 into the system enabled the self-mixing of the aqueous solution containing Fe3O4@MgO through the generation of bubbles. This system showed...
-
Simple 60 GHz Switched Beam Antenna for 5G Millimeter-Wave Applications
PublikacjaA new 60 GHz band single-input switched beam antenna is proposed for the fifth-generation (5G) millimeter-wave network applications. The presented design is capable of electronically switching the main beam in two different directions via a proposed microstrip-line-to-slotline single-pole dual-throw (SPDT) switch based on commercially available p-i-n diodes. The antenna is fabricated in a low-cost printed circuit board process...
-
Badania dynamiczne nośności pali
PublikacjaPrzedstawiono wyniki nowoczesnych badań dynamicznych dla pali wierconych. Zgodnie z zaleceniami Eurokodu 7 wyniki tych badań skorelowano z wynikami próbnych obciążeń statycznych. Sukcesywnie gromadzone wyniki badań dynamicznych wraz z wartościami współczynników tłumienia,określonymi dla warunków polskich, będą wykorzystane przy opracowaniu Załącznika Krajowego do EC7.
-
Badania dynamiczne nośności pali
PublikacjaPrzedstawiono wyniki nowoczesnych badań dynamicznych dla pali wierconych. Zgodnie z zaleceniami Eurokodu 7 wyniki tych badań skorelowano z wynikami próbnych obciążeń statycznych. Sukcesywnie gromadzone wyniki badań dynamicznych wraz z wartościami współczynników tłumienia, określonymi dla warunków polskich, będą wykorzystane przy opracowaniu Załącznika Krajowego do EC7.
-
Poli(uretanoepoksydy) otrzymane z opracowanych małocząsteczkowych przedłużaczy łańcuchów
PublikacjaPrzeprowadzono syntezy małocząsteczkowych przedłużaczy łańcuchów z żywicy epoksydowej Epidian 6 oraz 4-ech glikoli. Budowę produktów scharakteryzowano FTIR i 13C NMR. Zsyntezowane związki wykorzystano w reakcji z prepolimeramiuretanowymi otrzymując nowe materiały nazwane poli(uretanoepoksydami). Zbadano statyczne i dynamiczne właściwości mechaniczne oraz właściwości termiczne otrzymanych polimerów.
-
Some integral transforms and their applications
PublikacjaMotywacją napisania pracy były równania różniczkowe cząstkowe z odchyleniem przy pochodnych. Ponieważ w tym przypadku nie funkcjonuje teoria charakterystyk, więc badamy nowe przekształcenia całkowe w celu znalezienia odpowiedniej aproksymacji jednostajnej lub średniokwadratowej dla zagadnienia Cauchy`ego. Przedstawiamy również eksperymenty numeryczne oparte na zmodyfikowanej metodzie Galerkina.
-
Determination of Earth Pressure and Displacement of the Retaining Structure According to the Eurocode 7-1
PublikacjaComparative analysis of standard guidelines and findings given in EC7-1 and in Polish Standard PN-83/B-03010. Discussed guidelines concerning active and passive earth pressure as well as at rest pressure state. Wall displacement causing limit states of earth pressure and resistance. Interactive assumptions concerning intermediate earth pressure and resistance values. Conclusions and final remarks.
-
Upadłość - mit klęski, czy szansa na odrodzenie. [online] Dostęp [5.12**2002]. Dostępny w Internecie http:// boss.zie.pg.gda.pl/~pb/uko.pdf [9 s. 1 rys. bibliogr. 21 poz.]
PublikacjaW artykule przedstawiono definicję upadłości z punktu widzenia prawa i eko-nomii. Ukazano również klasyfikację upadłości wg różnych kryteriów orazfunkcję i tok postępowania upadłościowego. Ponadto zwrócono uwagę na przypa-dki celowego doprowadzenia przedsiębiorstw do upadku. Podjęto także rozprawęnad podejściem do samego procesu i celowości istnienia instytucji upadku.
-
Badania porównawcze i ocena biodegradowalnego oleju do układów tnących pilarek łańcuchowych ''Profesjonalny Pilarz BIO''
PublikacjaCelem przeprowadzonych badań było sprawdzenie i porównanie parametrów oraz właściwości smarnych i przeciwzużyciowych z olejem maszynomym L-AN 68 (produktem stosowanym kiedyś w gospodarce leśnej do smarowania układów tnących pilarek łańcuchowych) oraz olejem Vexol Eko - biodegradowalnym produktem do smarowania prowadnic i łańcuchów pił, używanym obecnie przez OTL Świebodzin.
-
APPLICATION OF ENTROPY-BASED METHODS TO DISTINGUISH HEALTHY INDIVIDUALS WITH NORMAL SINUS RHYTHM FROM PATIENTS WITH CONGESTIVE HEART FAILURE
PublikacjaIn this paper, we examined whether entropy-based methods are able to differentiate healthy individuals from patients with congestive heart failure. To this aim, we applied two methods: Permutation Entropy and Block Entropy. Long-term ECG recordings (75 000 RR intervals) were analyzed. The results proved that both methods can distinguish those groups on condition that the parameters are appropriately chosen.
-
Analysis of the Environmental Impact of the Hull Construction of a Small Vessel Based on LCA
PublikacjaIn recent years, issues related to the impact of human activity on the natural environment have become pressing, and the challenge of global warming necessitates immediate action. To support environmental protection efforts, it has become imperative to adopt a broader perspective when evaluating various products and systems. A valuable tool for such assessments is a life cycle assessment (LCA), which enables a comprehensive analysis...
-
Electrophoretic co-deposition of Mn1.5Co1.5O4, Fe2O3 and CuO: Unravelling the effect of simultaneous addition of Cu and Fe on the microstructural, thermo-mechanical and corrosion properties of in-situ modified spinel coatings for solid oxide cell interconnects
PublikacjaA systematic microstructural, thermo-mechanical and electrical characterization of simultaneous Fe–Cu doped Mn–Co spinel coatings processed by electrophoretic co-deposition on Crofer 22 APU is here reported and discussed. An innovative approach for the simultaneous electrophoretic deposition of three spinel precursors is designed, conceived and optimised, with the aim of outlining time- and energy-saving spinel modification routes....
-
Accuracy of Pretreatment Ultrasonography Assessment of Intra-Abdominal Spread in Epithelial Ovarian Cancer: A Prospective Study
PublikacjaThe aim of this study was to test the accuracy of ultrasonography performed by gynecological oncologists for the preoperative assessment of epithelial ovarian cancer (EOC) spread in the pelvis and abdominal cavity. A prospective, observational cohort study was performed at a single tertiary cancer care unit. Patients with suspected EOC were recruited and underwent comprehensive transvaginal and abdominal ultrasonography performed...
-
Instytut Oceanografii w Gdyni
PublikacjaArtykuł stanowi krytykę architektoniczną nowego gmachu Instytutu Oceanografii w Gdyni (proj. Arch-Deco). Pomimo niskiego budżetu inwestycji i realizacji obiektu w systemie zamówień publicznych Instytut Oceanografii stanowi wyznacznik nowych trendów estetycznych w architekturze budynków publicznych na Pomorzu. Obiekt wyznacza też nowatorskie trendy w organizowaniu wysoko wyspecjalizowanych, badawczych miejsc pracy.
-
Inspection of rubber linings operating in flue gas desulphurisation units. Inspekcje wykładzin gumowych w warunkach instalacji odsiarczania spalin.
PublikacjaPomiary metodą EIS wykładzin gumowych przeprowadzono w warunkach polowych.Stwierdzono, że najlepszym miernikiem jakości powłoki jest pojemność elektryczna powłoki. Sposób wyznaczania zwartości wilgoci w powłoce oparty został na równaniu Brashera-Kingsbury´ego. Wyniki porównano z oznaczeniami wilgoci w wykładzinie metodami niszczącymi przeprowadzonymi w tych samych miejscach co badania elektrochemiczne.
-
Multimode, multiparametric surrogate models for fast design of waveguide components.
PublikacjaPrzedstawiona została efektywna technika tworzenia wieloparametrycznych mo-deli zastępczych na podstawie wyników symulacji pełnofalowej przy wykorzy-staniu metody Cauchy`ego wielu zmiennych. Metoda pozwala na automatyczny wy-bór rzędu modelu i minimalizuje liczbę koniecznych analiz pełnofalowych. Te-chnika ta jest wykorzystana do tworzenia modeli uogólnionej macierzy rozpro-szenia.
-
Solving highly-dimensional multi-objective optimization problems by means of genetic gender
PublikacjaPaper presents a computational optimization study using a genetic gender approach for solving multi-objective optimization problems of detection observers. In this methodology the information about an individual gender of all the considered solutions is applied for the purpose of making distinction between different groups of objectives. This information is drawn out of the fitness of individuals and applied during a current parental...
-
Solving highly-dimensional multi-objective optimization problems by means of genetic gender
PublikacjaPaper presents a computational optimization study using a genetic gender approach for solving multi-objective optimization problems of detection observers. In this methodology the information about an individual gender of all the considered solutions is applied for the purpose of making distinction between different groups of objectives. This information is drawn out of the fitness of individuals and applied during a current parental...
-
MXene-based composites for capacitive deionization – The advantages, progress, and their role in desalination - A review
PublikacjaMXenes, a novel large family of 2D transition metal carbides, carbonitrides and nitrides are currently a “hot topic” in science due to their several fascinating physical and chemical properties. It follows from a rich diversity of their elemental compositions and chemical functionalities. MXenes can form composites with many substances, including polymers or metal oxides, which allows to effective “tune” MXene characteristics to...
-
Ultra-Compact Self-Quadruplexing Microfluidically Frequency Reconfigurable Slot Antenna Using Half-Mode SIW
PublikacjaIn this brief, the design of an ultra-compact self-quadruplexing frequency reconfigurable antenna (SQFRA) utilizing a half-mode substrate-integrated waveguide (HMSIW) and microfluidic channels is discussed. Four HMSIW cavities fed by four microstrip lines and slots are used to construct a highly compact antenna. The microstrip feedings to the HMSIW cavities are applied in such a way that the proposed antenna exhibits self-quadruplexing...
-
Bandwidth-size design trade-offs for compact spline-parameterised patch couplers by means of electromagnetic-driven multi-objective optimisation
PublikacjaBroad bandwidth and small size are the key performance figures for contemporary microwave couplers. These requirements are conflicting, i.e. improvement of one generally leads to degradation of the other assuming fixed topology of the circuit at hand. From a designer's perspective, the knowledge about available design trade-offs is indispensable as it permits for tailoring the circuit for particular applications as well as comparing...
-
Numerically Efficient Miniaturization-Oriented Optimization of an Ultra-Wideband Spline-Parameterized Antenna
PublikacjaDesign of ultra-wideband radiators for modern handheld applications is a challenging task that involves not only selection of an appropriate topology, but also its tuning oriented towards balancing the electrical performance and size. In this work, a low-cost design of a compact, broadband, spline-parameterized monopole antenna has been considered. The framework used for the structure design implements trust-region-based methods,...
-
An Innovative Antenna Array with High Inter Element Isolation for Sub-6 GHz 5G MIMO Communication Systems
PublikacjaA novel technique is shown to improve the isolation between radiators in antenna arrays. The proposed technique suppresses the surface-wave propagation and reduces substrate loss thereby enhancing the overall performance of the array. This is achieved without affecting the antenna’s footprint. The proposed approach is demonstrated on a four-element array for 5G MIMO applications. Each radiating element in the array is constituted...
-
Towards Carbon Neutral Settlements. The Importance of Early-Stage Urban and Energetic Optimizations
PublikacjaThe aim of the research was to verify the essence of interdisciplinary energy optimizations in earlystage urban design process. A further aim was to the find most optimal design variant and scenario in terms of urban energy efficiency for the future development in Nowy Port, located in Gdansk, Poland - a place requiring complex revitalization. The research combined qualitative and quantitative approaches; an urban design layer...
-
The role of hydrodynamic cavitation in tuning physicochemical properties of food items: A comprehensive review
PublikacjaBackground: Today, food processing industries are looking for alternative technologies with an eco-friendly character for the processing of food, beverages and agricultural crops. Ideally, such technologies may preserve the original properties of the food products while reaching their primary target of application. Scope and approach: At this point, hydrodynamic cavitation (HC) is recognized as one of the potential technologies...
-
Processing data on sea bottom structure obtained by means of the parametric sounding
PublikacjaThe aim of the paper is to analyze data obtained during sounding the Gdansk Bay sea bed by means of the parametric echo-sounder. The accuracy of the sea bottom structure investigation needs correct configuration of research equipment and proper calibration of peripheral devices (GPS, heading sensor, MRU-Z motion sensor and navigation instruments which provide necessary data to bathymetrical measurement system, enabling its work...
-
Finite-state lexical tools
PublikacjaArtykuł przedstawia trzy pakiety oprogramowania zawierające narzędzia poziomu leksykalnego wykorzystujące automaty skończone: dwa zbiory samodzielnych programów i skryptów pomocniczych - jeden używający prostych automatów skończonych, drugi używający automatów Mealy`ego oraz bibliotekę funkcji. Wszystkie przedstawione pakiety posiadają podobne funkcje. Zamiast opisywać poszczególne pakiety, opis skupiony jest na dostarczanych przez...
-
Gender approach to multi-objective optimization of detection systems by pre-selection of criteria
PublikacjaA novel idea of performing evolutionary computations for solving highly-dimensional multi-objective optimization (MOO) problems is proposed. The information about individual genders is applied. This information is drawn out of the fitness of individuals and applied during the parental crossover in the evolutionary multi-objective optimization (EMO) processes. The paper introduces the principles of the genetic-gender approach (GGA)...
-
Gender approach to multi-objective optimization of detection systems by pre-selection of criteria
PublikacjaA novel idea of performing evolutionary computations for solving highly-dimensional multi-objective optimization (MOO) problems is proposed. The information about individual genders is applied. This information is drawn out of the fitness of individuals and applied during the parental crossover in the evolutionary multi-objective optimization (EMO) processes. The paper introduces the principles of the genetic-gender approach (GGA)...
-
Gender approach to multi-objective optimization of detection systems by pre-selection of criteria
PublikacjaA novel idea of performing evolutionary computations for solving highly-dimensional multi-objective optimization (MOO) problems is proposed. The information about individual genders is applied. This information is drawn out of the fitness of individuals and applied during the parental crossover in the evolutionary multi-objective optimization (EMO) processes. The paper introduces the principles of the genetic-gender approach (GGA)...
-
La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3-δ oxygen electrodes for solid oxide cells prepared by polymer precursor and nitrates solution infiltration into gadolinium doped ceria backbone
PublikacjaInfiltration is a method, which can be applied for the electrode preparation. In this paper oxygen electrode is prepared solely by the infiltration of La0.6Sr0.4Co0.2Fe0.8O3‐δ (LSCF) into Ce0.8Gd0.2O2-δ (CGO) backbone. The use a polymer precursor as an infiltrating medium, instead of an aqueous nitrate salts solution is presented. It is shown that the polymer forms the single-phase perovskite at 600 °C, contrary to the nitrates...
-
Automated analyser for monitoring trace amounts of volatile chloro-organic compounds in recirculated industrial water
PublikacjaOpisano konstrukcję oraz badania laboratoryjne modelu nowego automatycznego analizatora śladowych ilości lotnych związków chlorowco-organicznych w wodzie do celów przemysłowych (o wysokiej czystości). Praca analizatora oparta jest na: - przeciwprądowym ciągłym wypłukiwaniu analitów ze strumienia próbki, - okresowym zatrzymywaniu uwolnionych analitów na złożu sorbenta, - desorpcji termicznej, - oznaczaniu sumy związków chlorowco-organicznych...
-
Explicit Size-Reduction-Oriented Design of a Compact Microstrip Rat-Race Coupler Using Surrogate-Based Optimization Methods
PublikacjaIn this paper, an explicit size reduction of a compact rat-race coupler implemented in a microstrip technology is considered. The coupler circuit features a simple topology with a densely arranged layout that exploits a combination of high- and low-impedance transmission line sections. All relevant dimensions of the structure are simultaneously optimized in order to explicitly reduce the coupler size while maintaining equal power...
-
Method-Dependent Epidemiological Cutoff Values for Detection of Triazole Resistance in Candida and Aspergillus Species for the Sensititre YeastOne Colorimetric Broth and Etest Agar Diffusion Methods
PublikacjaAlthough the Sensititre Yeast-One (SYO) and Etest methods are widely utilized, interpretive criteria are not available for triazole susceptibility testing of Candida or Aspergillus species. We collected fluconazole, itraconazole, posaconazole, and voriconazole SYO and Etest MICs from 39 laboratories representing all continents for (method/agent-dependent) 11,171 Candida albicans, 215 C. dubliniensis, 4,418 C. glabrata species complex,...
-
Legal and Economic Conditions of the Creating and Activity of Entrepreneursin Poland. VATT Governement Inst. Econ. Res. C**2002 [nr] 290 s. 153- 162 bibliogr. 10 poz. Discussion papers. Workshopon Studies for Nordther. Kalastajatorrpa,30-31 May 2002.Prawne i ekonomiczne uwarunkowania działalności przedsiębiorców w Polsce.
PublikacjaW artykule przedstawiono warunki prawne, które muszą być spełnione przyuruchamianiu działalności gospodarczej w Polsce. Wskazano również co sprzyjai co hamuje rozwój działalności przedsiębiorców w naszym kraju.
-
Comments on Identification and Determination of Volatile Chloroorganic Compounds in Crude Oil at Trace Level = Komentarz na temat identyfikowania i oznaczania śladowych ilości lotnych związków chloroorganicznych w ropie naftowej
PublikacjaW pracy przedstawiono możliwości i ograniczenia w stosowaniu techniki GC-ECD i GC-MS do identyfikacji i oznaczania śladowych stężeń związków chloroorganicznych w destylatach z ropy naftowej (frakcjach wrzących do 200oC). Przedyskutowano także procedury rutynowo stosowane w rafineriach do oznaczania zawartości chloru organicznego. Należą do nich metodyki oparte na spalaniu próbki i oznaczaniu wybranych produktów mineralizacji za...
-
REGULACJA MOCY BIERNEJ W MIKROSIECIACH Z ŹRÓDŁAMI WYTWÓRCZYMI
PublikacjaW ramach projektu badawczo-rozwojowego Narodowego Centrum Badań i Rozwoju w Katedrze Automatyki Napędu Elektrycznego został zaprojektowany i wykonany system zarzą-dzania energią oraz sterowania źródłami energii o nazwie ECV-10. System zainstalowano w zakładzie produkcyjnym firmy Infracorr SP. Z o.o. wraz z źródłami energii z fotowoltaiki, wiatru i gazu ziemnego. System umożliwia pomiar ośmiu prądów i sześciu napięć, co w połączeniu...
-
Electron scattering cross sections for 1-pentene, H2C=CH-(CH2)2CH3, molecules
PublikacjaCross sections, both experimental and theoretical, are reported for electron scattering from 1-pentene (C5H10) molecules. Absolute grand-total cross sections (TCSs) were measured at electron impact energies ranging from 1 to 300 eV, using a linear electron-transmission technique. The dominant behaviour of the experimental TCS energy function is a distinct asymmetric enhancement with the maximum located around 6.5 eV. Discernible...
-
Combination of air-dispersion cathode with sacrificial iron anode generating Fe2+Fe3+2O4 nanostructures to degrade paracetamol under ultrasonic irradiation
PublikacjaIn the present study, ultrasound (US) was coupled with an electrochemical process (ECP) consisting of a novel cathode of carbon cloth (CC)-carbon black (CB) as the nano-composite air-dispersion cathode (NADC) for the degradation of paracetamol (APAP) in an aquatic medium. The NADC favored in situ production of H2O2 by the cathodic reduction. The implementation of iron sacrificial anode instead of dimensionally stable anodes resulted...
-
ECHOES REDUCTION DURING DIGITAL DATA TRANSMISSION IN HYDROACOUSTIC CHANNEL – LABORATORY EXPERIMENT
PublikacjaThe possibility of using a hydroacoustic channel for digital data transmission is very limited. This is due to the effect of multipath propagation of the emitted acoustic wave and the damping of the mechanical wave in this medium, which increase with frequency. The first of these phenomena results in inter-symbol interference disturbances in data transmission systems, including even hundreds of symbols. Due to the number of reflections...
-
Cross sections for electron collision with pyridine [C5H5N] molecule
PublikacjaThe absolute grand -total cross section (TCS) for electron scattering from pyridine, C5H5N, molecules has been measured at impact energies from 0.6 to 300 eV in the linear electron-transmission experiment. The obtained TCS energy dependence appears to be typical for targets of high electric-dipole moment; the cross section generally decreases with rising energy, except for the 3–20 eV range, where a broad enhancement peaked near...