Filtry
wszystkich: 2991
-
Katalog
wyświetlamy 1000 najlepszych wyników Pomoc
Wyniki wyszukiwania dla: impact
-
Increasing efficiency of technological process by limiting impact of corrosive environment on operation of spiral classifiers
PublikacjaMost of the technological operations related to the preparation of the output to be enriched and to the production of the final copper concentrate take place with the use of water environment. Water management, besides using innovative technical and technological solutions, is a significant factor in the whole copper ore enrichment process. Mine water resources and surface water of the tailing pond named "Żelazny Most" are the...
-
Advanced Oxidation Processes for Degradation of Water Pollutants—Ambivalent Impact of Carbonate Species: A Review
PublikacjaAdvanced oxidation processes (AOPs) hold great promise in the removal of organic contaminants. Reactive oxygen species (ROS) produced in AOPs react with target pollutants to initially form several intermediate compounds that finally undergo complete mineralization. Such observations are reported, especially for laboratory-scale experiments performed in pure water. On the other hand, while considering real contaminated wastewater...
-
Impact of digital signal processing on FOC current feedback in high-speed PMSM drive
PublikacjaIn applications where size and weight of the electric motor are among major design concerns, Permanent Magnet Synchronous Motors (PMSMs) with wide operational speed-range are commonly preferred. Due to limited inverter switching frequency, high-speed operation of a drive results in a low ratio between the switching frequency and the fundamental frequency of motor voltage. Such operating conditions have been recently identified...
-
The impact of mass-media campaigns on physical activity: a review of reviews through a policy lens
PublikacjaBackground This review of reviews aimed to: (1) summarize the evidence from published reviews on the effectiveness of mass-media campaigns to promote physical activity (PA) or PA-related determinants (intermediate psychological and proximal outcomes) and (2) to identify policy-relevant recommendations related to successful PA campaigns. Methods An extensive literature search was performed on 1 March 2021. Reviews that evaluated...
-
Impact of climate change on groundwater recharge in shallow young glacial aquifers in northern Poland
PublikacjaWe investigated the influence of climate change in the period 1951–2020 on shallow aquifers in the Brda and Wda outwash plains (Pomeranian Region, Northern Poland). There was a significant temperature rise (0.3 °C/10 years), which accelerated after 1980 (0.66 °C/10 years). Precipitation became increasingly irregular – extremely rainy years occurred right after or before extremely dry years, and intensive rainfall events became...
-
Impact of hydrotechnical works on outflow of mercury from the riparian zone to a river and input to the sea
Publikacja -
The impact of military activities on the concentration of mercury in soils of military training grounds and marine sediments
Publikacja -
Multispecies invasion reduces the negative impact of single alien plant species on native flora
Publikacja -
Impact of the Regional Business Environment on the Development of Small and Medium-Sized Enterprises in Southern Poland
Publikacja -
Impact of DC fault blocking capability on the sizing of the DC-DC Modular Multilevel Converter
Publikacja -
Selected Aspects Of Building, Operation And Environmental Impact Of Offshore Wind Power Electric Plants
Publikacja -
The impact of different types of textile liners used in protective footwear on the subjective sensations of firefighters
Publikacja -
The Impact of Energy Development of the European Union Euro Area Countries on CO2 Emissions Level
Publikacja -
Impact of the addition of resistant starch from modified pea starch on dough and bread performance
Publikacja -
The use of a simulation model to analyze the impact of heavy transport generated by the port to the city traffic.
Publikacja -
The Influence of Impact Velocity on Stresses and Failure of S355j2 Steel Under Slurry Erosion Conditions
Publikacja -
Impact of methane occurrence on iron speciation in the sediments of the Gdansk Basin (Southern Baltic Sea)
Publikacja -
Impact of Extensive Sheep Grazing on the Biochemical Status of Soils of the Grassland Habitat of Natura 2000
Publikacja -
The impact of environmental water on the potential application of core−shell titania−silica nanospheres as photocatalysts
Publikacja -
Impact of the addition of dolomite to cream‐firing clays on the technological and color properties of sintered ceramics
Publikacja -
Impact of yttria stabilization on Tb3+ intra-shell luminescence efficiency in zirconium dioxide nanopowders
Publikacja -
Gypsum dehydration in cement and its impact on air-void structure in air-entrained concrete
Publikacja -
Calculations of electron impact ionization cross section for simple biomolecules: formic and acetic acids
PublikacjaObliczono przekroje czynne na jednokrotną jonizację kwasu mrówkowego oraz kwasu octowego. Obliczenia przeprowadzono używając formalizmu BEB w zakresie energii od progu na jonizację do 400 eV. Wyniki porównano z dostępnymi danymi doświadczalnymi.
-
Social-economic impact of an innovation centre development in local context: an empirical analysis for Poland
Publikacja -
Prediction of the Segmental Pelvic Ring Fractures Under Impact Loadings During Car Crash
Publikacja -
Assessment of the impact of land use in an agricultural catchment area on water quality of lowland rivers
Publikacja -
Degradation and damage of advanced polymer composites due to environmental effects and low velocity impact
PublikacjaPrzedstawiono zagadnienie wpływu srodowiska wody oraz niskoenergetycznego udaru na właściwości mechaniczne laminatów epoksydowych wzmocnionych włóknami węglowymi, szklanymi, aramidowymi i hybrydowymi. Na tle krótkiego przeglądu literatury na dany temat przedstawiono oryginalne wyniki badań eksperymentalnych autorki.
-
Experimental determination of impact stiffness parameters for the non-linear viscoelastic model of pounding force
PublikacjaNieliniowy model lepko-sprężysty umożliwia dokładną symulację siły zderzenia w czasie oraz symulację odpowiedzi konstrukcji podatnej na zderzanie podczas trzęsień ziemi. Celem tego artykułu jest eksperymentalne wyznaczenie wartości współczynnika sztywności zderzenia jako parametru tegoż modelu.
-
The impact of laser surface treatment on the microstructure, wear resistance and hardness of the AlMg5 aluminum alloy
Publikacja -
RUMOURS RELATED TO POLITICAL INSTABILITY AND THEIR IMPACT ON IPOs. THE USE OF QUALITATIVE MODELLING WITH INCOMPLETE KNOWLEDGE
Publikacja -
Impact of Housing System on Health and Rearing of Calves Based on Examination of Nasal Cavity Swabs
Publikacja -
ENCAPSULATION OF ROXITHROMYCIN INTO GELLAN GUM MATRICES AND THE IMPACT OF OTHER NATURAL POLYMERS ON DRUG RELEASE
Publikacja -
Effect of Active Mining Impact On Properties with Engineering Structures – Forecast and Final Result Discrepancies
Publikacja -
Impact of chitosan/noble metals-based coatings on the plasmochemically activated surface of NiTi alloy
Publikacja -
Impact of forecasted changes in Polish economy (2015 and 2020) on nutrient emission into the river basins
Publikacja -
P-448 The impact of assisted reproductive technology for second births: a follow-up study
Publikacja -
Ultra-rare ultra-care: Assessing the impact of caring for children with ultra rare diseases
Publikacja -
The impact of severe postoperative complications on outcomes of bariatric surgery—multicenter case-matched study
Publikacja -
The impact of regular sperm donation on bulls’ seminal plasma hormonal profile and phantom response
Publikacja -
Impact of the Time Window Length on the Ship Trajectory Reconstruction Based on AIS Data Clustering
Publikacja -
Safety and Impact on Training of the Influenza Vaccines in Elite Athletes Participating in the Rio 2016 Olympics
Publikacja -
The Impact of a Single Educational Lecture on the Vaccine Confidence among Pregnant Women and Young Mothers
Publikacja -
Impact of TiO2 Surface Defects on the Mechanism of Acetaldehyde Decomposition under Irradiation of a Fluorescent Lamp
Publikacja -
Depressive symptoms but not chronic pain have an impact on the survival of patients undergoing maintenance hemodialysis
Publikacja -
Analysis of occurrence of guided disorders in selected railway equipment — impact of load on measurement results
Publikacja -
The Impact of Material Selection on Durability of Exhaust Valve Faces of a Ship Engine – A Case Study
Publikacjawo alloys were used in order to extend the service life of marine engine exhaust valve head. Layers of cobalt base alloys were made of the powders with with chemical composition as follow: the layer marked L12; C-1,55%; Si-1,21%; Cr-29,7%; W-9%; Ni-2%; Mo<0,01%; Fe-1,7%; Co-54,83% and the layer marked N; C-1,45%; Co-38,9%; Cr-24,13%; Ni-10,43%; W-8,75%; Fe-7,64%; Mo-7,56%; Si-2,59%. Base metal was valve steel after heat treatment....
-
Impact of dyes isomerization effect on the charge transfer phenomenon occurring on the dye/nanosemiconductor interface
PublikacjaThe present work aimed to find the answer how does the isomerization of the Ru based dyes affect the overall photon-to-current efficiency of the DSSCs and to explain the charge transfer phenomenon occurring on the dye/ nanosemiconductor interface. Therefore, electronic and optical properties of three bipyridine derivatives anchored on the TiO2 electrode were investigated by computational simulations based on quantum chemistry codes...
-
Investigation on the Sources and Impact of Trace Elements in the Annual Snowpack and the Firn in the Hansbreen (Southwest Spitsbergen)
PublikacjaWe present a thorough evaluation of the water soluble fraction of the trace element composition (Ca, Sr, Mg, Na, K, Li, B, Rb, U, Ni, Co, As, Cs, Cd, Mo, Se, Eu, Ba, V, Ge, Ga, Cr, Cr, P, Ti, Mn, Zr, Ce, Zn, Fe, Gd, Y, Pb, Bi, Yb, Al, Nb, Er, Nd, Dy, Sm, Ho, Th, La, Lu, Tm, Pr, Tb, Fe, In, Tl) and their fluxes in the annual snowpack and the firn of the Hansbreen (a tidewater glacier terminating in the Hornsund fjord, southwest...
-
Proteolysis of whey protein isolates in nanoemulsion systems: impact of nanoemulsification and additional synthetic emulsifiers
PublikacjaNanoemulsions are currently of interest in the functional food sector because their small droplet size (100–500 nm) provides a number of potential advantages over conventional emulsions. This study concerned the behavior of nanoemulsions stabilized with whey proteins and two synthetic emulsifiers (Tween 80 and Croduret), and exposed to conditions simulating the human upper gastrointestinal tract. In particular, the effect of synthetic...
-
Benchmarking Scalability and Security Configuration Impact for A Distributed Sensors-Server IOT Use Case
PublikacjaInternet of Things has been getting more and more attention and found numerous practical applications. Especially important in this context are performance, security and ability to cope with failures. Especially crucial is to find good trade-off between these. In this article we present results of practical tests with multiple clients representing sensors sending notifications to an IoT middleware – DeviceHive. We investigate performance...