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Wyniki wyszukiwania dla: agricultural land use
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System oceny efektywności użytkowania aparatów słuchowych (Hearing aid use effectiveness evaluation system)
PublikacjaCelem rozprawy jest opracowanie metody oceny efektywności protezowania słuchu przy użyciu aparatów słuchowych, która pozwoli w łatwy sposób poddawać ocenie korzyść z użytkowania protez słuchowych w najbardziej typowych sytuacjach akustycznych. Przedstawiono genezę podjętych badań i na tej podstawie zaproponowano cele i tezy rozprawy doktorskiej. W pracy w pierwszej kolejności zawarto przegląd dotyczący rodzajów ubytku słuchu...
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Study of The Impact of Users’ Features on Dimensional Allowances Resulting from the Use of Personal Protective Equipment
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A new method of ergonomic testing of gloves protecting against cuts and stabs during knife use
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Multifunctional Polymer Composites Produced by Melt-Blown Technique to Use in Filtering Respiratory Protective Devices
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Bacteriophage-encoded enzymes destroying bacterial cell membranes and walls, and their potential use as antimicrobial agents
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Genistein inhibits activities of methylenetetrahydrofolate reductase and lactate dehydrogenase, enzymes which use NADH as a substrate
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The Use of Raman Spectroscopy to Monitor Changes in the Intensity of Ratio of Integral Unsaturated Bands in Bio-Greases
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Silver Nanoparticles as Chlorhexidine and Metronidazole Drug Delivery Platforms: Their Potential Use in Treating Periodontitis [Corrigendum]
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Modification of the structural model of manipulator's carrying system for a use of modal control at energy performance index.
PublikacjaW pracy rozważa się drgania niestacjonarnego układu nośnego manipulatora IRb-6 modelowanego dyskretnie metodą sztywnych elementów skończonych. Z uwagi na gwałtowne ruchy (start, zatrzymanie) poszczególnych członów manipulatora, jest to problem o dużym znaczeniu praktycznym. Jednym ze sposobów nadzorowania tych drgań jest wykorzystanie sterowania modalnego przy energetycznym wskaźniku jakości. Uwzględnia on zmianę w czasie względem...
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Relationship between heavy metal distribution in sediment samples and their ecotoxicity by the use of the Hasse diagram technique
PublikacjaOpisane badania wskazują, że istnieje nowe podejście oszacowywania ryzyka zanieczyszczenia określonych przedziałów środowiska morskiego dzięki równoczesnemu monitorowaniu zawartości metali ciężkich i parametrów ekotoksykologicznych. Rutynowe podejście stosuje oddzielnie wskaźniki zawartości metali ciężkich i wskaźniki ekotoksykologiczne w celu wykrycia zależności między poziomami zawartości metali ciężkich a mierzalnymi parametrami...
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Endocrine responses following exhaustive strength exercise with and without the use of protein and protein-carbohydrate supplements
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Use of technology by people with dementia and informal carers during COVID‐19: A cross‐country comparison
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The use of technology by people with dementia and informal carers during COVID-19: a cross-country comparison
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Waste printer ink as modifier for natural rubber/carbon black composites: No haste, use waste
PublikacjaFrom a sustainability perspective, achieving a greener future with a minimal carbon footprint requires maximizing waste materials' reuse. The four pillars of satisfying customer demands are processing, price, properties, and performance. Along with such a global policy, this work seeks to utilize waste printer ink (WPI) as a source of carbon in combination with low- and high-surface carbon black (LCB and HCB, respectively) additives...
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Preliminary Investigation on Rapid Potassium Efflux from Activated Sludge in Response to Use of Peroxyacetic Acid
PublikacjaPreliminary research on activated sludge potassium efflux (GGKE - glutathione-gated potassium efflux) as a result of peroxyacetic acid (PAA) dosing were performed. Similarily as in case of chlorine dosing the PAA dosing causes initiation of bacteria defense mechanisms, related to the transformations of glutathione tripeptide, resulting in the increase of potassium ions concentration in the activated sludge environment. In the range...
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Atmospheric and Surface Water Pollution Interpretation in the Gdańsk Beltway Impact Range by the Use of Multivariate Analysis
PublikacjaOpracowanie dotyczny zastosowania hierarchicznej analizy klastrów i testów nieparametrowych celem dokonania interpretacji wpływu Obwodnicy Trójmiejskiej. W większości przypadków wykryto obecność oddziaływań antropogenicznych (zastosowanie nawozów, transport, posypywanie dróg solą w okresie zimowych) jak i pół-środowiskowych (aerozole morskie, erozja materiałów budowlancyh). Nie wykrytu jednak ścisłej zależności okresowej dla zanieczyszczeń...
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Cardioprotection during cancer chemotherapy with the use of natural antioxidants: review of literature and results of own studies
PublikacjaDoniesienie poświęcone jest wykorzystaniu naturalnych antyoksydantów w ochronie mięśnia sercowego przed toksycznym działaniem antracyklin wykorzystywanych w leczeniu nowotworów. Pokazane zostało działanie ochronne kilku związków oraz zwierających je składników żywności w tym buraka czerwonego, który był przedmiotem badań własnych.
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The use of a one-step PCR method for the identification of Microsporum canis and Trichophyton mentagrophytes infection of pets
PublikacjaIntroduction: Dermatophytes are a closely related group of keratinophilic fungi. They encompass important etiological agents of superficial fungal infections. These fungi are able to invade keratinized tissues of humans and animals, causing dermatophytosis (ringworm) of hair, nails or skin. The aim: Traditional diagnostics of ringworm is based on morphological identification of cultured fungi and is time-consuming. Materials and methods:...
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The use of gel dosimetry to measure the 3D dose distribution of a90Sr/90Y intravascular brachytherapy seed
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The Clinical Use of Platelet-Rich Plasma in Knee Disorders and Surgery—A Systematic Review and Meta-Analysis
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On the Use of Automatic Cuts Algorithm for T0 – T – Φ Formulation in Nondestructive Testing by Eddy Current
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MULTI-CRITERIA COMPARATIVE ANALYSIS OF THE USE OF SUBTRACTIVE AND ADDITIVE TECHNOLOGIES IN THE MANUFACTURING OF OFFSHORE MACHINERY COMPONENTS
PublikacjaThe dynamic development of additive manufacturing technologies, especially over the last few years, has increased the range of possible industrial applications of 3D printed elements. This is a consequence of the distinct advantages of additive techniques, which include the possibility of improving the mechanical strength of products and shortening lead times. Offshore industry is one of these promising areas for the application...
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Abuse or contamination? Ratio determination of clenbuterol enantiomers to distinguish between doping use and meat contamination
PublikacjaClenbuterol has been detected in urine of several athletes during routine doping control in the past years. Athletes claimed that the clenbuterol was ingested by eating contaminated meat. Providing analytical prove for this claim is difficult. clenbuterol consists of two enantiomers, R(-) and S(+)-clenbuterol. Currently available human and veterinary preparations were found to consist of a racemic mixture of both enantiomers. When...
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CAUSALITY IN MODELS OF THERMAL PROCESSES IN SHIP ENGINE ROOMS WITH THE USE OF BOND GRAPH (BG) METHOD
PublikacjaWith a single approach to modeling elements of different physical nature, the method of Bond Graph (BG) is particularly well suited for modeling energy systems consisting of mechanical, thermal, electrical and hydraulic elements that operate in the power system engine room. The paper refers to the earlier presented new concept of thermal process modeling using the BG method. The authors own suggestions for determining causality...
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Pre‐exascale HPC approaches for molecular dynamics simulations. Covid‐19 research: A use case
PublikacjaExascale computing has been a dream for ages and is close to becoming a reality that will impact how molecular simulations are being performed, as well as the quantity and quality of the information derived for them. We review how the biomolecular simulations field is anticipating these new architectures, making emphasis on recent work from groups in the BioExcel Center of Excellence for High Performance Computing. We exemplified...
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Giant Reed (Arundo donax L.) Fiber Extraction and Characterization for Its Use in Polymer Composites
PublikacjaThis work describes an extraction method for giant reed fibers from stems and leaves based on chemical soaking and crushing through a rolling mill. Obtained fibers, together with the shredded plant (stems + leaves), are characterized in terms of chemical composition, thermal stability, morphology, and crystallinity. Mechanical properties of fibers have also been assessed (single fiber tensile tests). The results show that the proposed...
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On the use of the cumulative strain energy density for fatigue life assessment in advanced high-strength steels
PublikacjaIn this paper, the applicability of the cumulative strain energy density is explored as a fatigue indicator parameter for advanced high-strength steels subjected to strain-controlled conditions. Firstly, the cyclic stress-strain responses of nine steels, selected from three multiphase families, encompassing different elemental compositions and different heat treatment routes, were studied. Then, the predictive capabilities of the...
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On the use of uniaxial one-parameter damage laws for estimating fatigue life under multiaxial loading
PublikacjaThe goal of this paper is to evaluate the capabilities of different one-parameter fatigue laws to estimate crack initiation in notched components under multiaxial loading. Fatigue damage is accounted for through stress-based, strain-based, and energy-based approaches while the cyclic plasticity at the notch-controlled process zone is estimated using linear-elastic simulations. The results show that energy-based formulations established...
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THE USE OF THE Ti-13Zr-13Nb ALLOY POWDER FOR MANUFACTURING OF PROSTHETIC PARTS BY SELECTIVE LASER MELTING
PublikacjaThe 3D printing is a manufacturing technique belonging to the additive methods able to prepare the designed parts for various purposes. The present reasearch was aimed to fabricate the prosthetic foundations and bridges made of the new Ti-13Zr-13Nb alloy by the selective laser melting (SLM) of a metal powder. The scanning electron examinations and micro scanning tomography were used to investigate the surface quality and intrinsic...
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Experimental study of the use of electric car powered with stationary solar and electrochemical batteries in Northern Poland
PublikacjaThe subject of this paper is an experimental analysis of a Nissan LEAF electric car equipped with 24 kWh battery, powered from the standalone photo-voltaic (PV) charging station in Gdańsk, Poland. The calculations of charging process efficiency and range of test drives were conducted in two extreme situations (winter and summer) of sunlight and road conditions. Experiments were performed in the Laboratory of Innovative Power Technologies...
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The use of liquid crystal thermography TLC and particle image velocimetry PIV in selected technical applications
PublikacjaNowadays, the energy cost is very high and this problem is carried out to seek techniques for improvement of the aerothermal and thermal (heat flow) systems performances in different technical applications. The transient and steady-state techniques with liquid crystals for the surface temperature and heat transfer coefficient or Nusselt number distribution measurements have been developed. The flow pattern produced by transverse...
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Use of radiography images and gray level co-occurrence matrix to investigate gravitational granular flow
PublikacjaThe paper presents analysis of granular gravitational flow based on radiography images processing. The investigations were conducted for silo model geometry with concentric/eccentric discharging modes. The continuous X-ray radiography scans of granular material distribution, acquired during flow, were obtained by means of an especially designed model silo with rectangular bin and different settings of hopper angles. Image processing...
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Evaluation of the use of reindeer droppings for monitoring essential and non-essential elements in the polar terrestrial environment
PublikacjaExcess or toxic metals, non-metals and metalloids can be eliminated from the organism by deposition in inert tissue (e.g. fur) or excretion with body secretions, urine and faeces. Droppings are one of the main routes for the elimination of multiple elements and they can be collected without direct contact with the animal. Contaminant concentration has been examined in non-lethally collected tissues of several species (especially...
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Ahmer Bin Hafeez
OsobyI have experience in Computational Biology, particularly bioinformatics, homology modeling, phylogenetics, structural biology, and drug discovery. Furthermore, I have hands-on experience with Bioinformatics software. Currently, my interest lies in translatable omics studies and drug discovery against novel protein targets involved in cancer and infectious diseases and Host-Pathogen PPIs. My aim involves the use of computational...
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The use of RP-HPLC–Q-TOF–MS as a powerful tool for wastewater composition profiling and selection of water pollution marker specific to wastewater contamination
PublikacjaLimited drinking water resources and water pollution are one of the main worldwide problems. To reduce the consumption of fresh water resources, the use of treated wastewater has been proposed. The farmlands have been irrigated with wastewater for centuries, but the composition of used sewage has changed over the years. Recent research has revealed the presence of hundreds of new organic contaminants in many environmental waters,...
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The Matter of Decision-Making Control Over Operation Processes of Marine Power Plant Systems with the Use of their Models in the form of Semi-Markov Decision-Making Processes
PublikacjaThe article presents the possibility to control the real operation process of an arbitrary device installed in the marine power plant based on the four-state semi-Markov process, being the model of the process, which describes the transition process of operational states of the device and the transition process of its technical states. All these states are precisely defined for the ship main engine (SG). A hypothesis is proposed...
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Scientific Papers-Series E-Land Reclamation Earth Observation & Surveying Environmental Engineering
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Differentiation Between Spirits According to Their Botanical Origin
PublikacjaAgricultural distillates are used for the production of spirit beverages. As more and more products with a specific botanical composition specified on the label are produced (e.g. rye vodkas, wheat vodkas and Polish Vodka, which cannot be produced with the addition of maize distillate), it is necessary to look for quicker and more accurate methods allowing the determination of botanical origin of alcoholic beverages and materials...
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AMA-Agricultural Mechanization in Asia Africa and Latin America
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Journal of the International Society for Southeast Asian Agricultural Sciences
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Agricultural and Resource Economics-International Scientific E-Journal
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The use of a two-phase Monte Carlo material model to reflect the dispersion of asphalt concrete fracture parameters
PublikacjaThe work covers comprehensive laboratory tests of semi-circular bending (SCB) of asphalt concrete samples. The results of two test series, including four and 32 SCB specimens, indicate a substantial scatter of force–deflection (F-d) histories. The numerical analysis is aimed to reflect the maximum breaking load and fracture energy of the samples, pointing out their random character. The original simulation-based fictitious Monte...
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Attitude towards cigarette or e-cigarette use and the smoking initiation year among young European adults
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The Use of Different Modes of Post-Activation Potentiation (PAP) for Enhancing Speed of the Slide-Step in Basketball Players
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Pinus Species as Prospective Reserves of Bioactive Compounds with Potential Use in Functional Food—Current State of Knowledge
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Assessment of Odour Impact Range of Selected Waste Management Plant with the Use of Mathematical Tools (Model Tools)
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Aims of protective areas and conditions of use of water in a catchment area in shaping the water quality of the water reservoirs
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Molecular characterization of drug-resistant Mycobacterium tuberculosis strains from Poland by use of multiple genetic markers
PublikacjaW pracy przedstawiono wyniki genotypowania wielolekoopornych szczepów Mycobacterium tuberculosis, izolowanych od pacjentów z Polski.
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Use of Innovative and Advanced Computer Simulations of Chemical Speciation of Heavy Metals in Soils and Other Environmental Samples
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Possibility of thermal imaging use in studies of natural convection heat transfer on the example of an isothermal vertical plate
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