Filters
total: 6402
-
Catalog
displaying 1000 best results Help
Search results for: ECOTOXICOLOGICAL EFFECTS
-
Study of the effect of adiabatic heating on the operation of the electrodynamic actuator
PublicationElectrodynamic actuators are used in hybrid switching systems where a very quick contact separation as well as operation repeatability and long-term reliability are required. The article presents selected results of thermal studies in the electrodynamic drive system. Study was carried out on the basis of the 3D electromagneto-thermal model implemented in the Ansys_Maxwell environment. The present model allows to determine the critical...
-
Effect of Bi2O3 Excess on Morphology and Structure of BiNbO4 Ceramics
PublicationGoal of the present research was to fabricate BiNbO4 ceramics from the mixture of powders by the solid state reaction route and pressureless sintering at various temperatures (TS =8700C and TS =9100C) and study microstructure, phase composition and crystalline structure of BiNbO4 ceramics. Four batches were fabricated and examined, namely the one fabricated from the stoichiometric mixture of reagent – grade oxide powders, viz....
-
The Effect of Fly Ash Microspheres on the Pore Structure of Concrete
PublicationThe fly ash microspheres (FAMs) formed during the mineral transformation stage in coal combustion are hollow spherical particles with a density less than water. This paper presents the results of X‐ray micro‐computed tomography and an automatic image analysis system of the porosity in the structure of hardened concrete with microspheres. Concrete mixtures with ordinary Portland cement and two substitution rates of cement by microspheres—5%...
-
The effect of temperature difference on heat transport in solar cells
PublicationW pracy omówiono wpływ wzrostu temperatury i mechanizm transportu ciepła na drodze przewodzenia w układach hybrydowych PV/T. Wyznaczono współczynniki przewodzenia krystalicznego krzemu typu n i p oraz gęstość strumienia ciepła w zakresie temperatur od 0 do 100 st. C.
-
Dynamic effect of the vehicle passing under lightweight footbridge.
PublicationThe paper describes a numerical study of dynamic response of cable-stayed steel footbridge for a big lorry passing underneath. The footbridge is an existing object crossing Wolska street in Warsaw. The structural model of footbridge was verified by dynamic test loading. A numerical study of a vehicle passing under footbridge is presented. 2D and 3D incompressible flow fields are modeled using sliding mesh in transient CFD computation....
-
Vertical axis wind engines using Magnus effect.
PublicationZaprezentowano krótki zarys historii wykorzystania energii wiatru. Opisano efekt Magnusa oraz dotychczasowe próby wykorzystania go w budowie silników wiatrowych. Przedstawiono obliczenia, za pomocą, których oszacowano możliwe do osiągnięcia sprawności silników wiatrowych o osi pionowej wyposażonych w rotory Magnusa.
-
Effect of preconsolidation on pile bearing capacity in model tests
PublicationBadanie wpływu prekonsolidacji gruntu w badaniach modelowych w komorze kalibracyjnej. Zagęszczone piaski kwarcowe poddano prekonsolidacji przy OCR nie większym od 7. Analiza współczynnika parcia spoczynkowego gruntu. Wpływ wskaźnika prekonsolidacji na nośność podstawy i pobocznicy pali oraz zmiany naprężeń wokół modelu i odkształcenia objętościowe masywu gruntowego.
-
Effect of WC on electroposition and corossion behaviour of chromium coatings
PublicationWłaściwości warstw chromowych zawierających różne ilości drobin WC zbadano metodą XPS, EPS oraz XRD. Metody te pozwoliły określić morfologię i skład chemiczny powłok. Właściwości antykorozyjne określono dla różnych czasów ekspozycji próbek w elektrolicie zawierającym 0,01 mol L-1 za pomocą metody woltamperometrycznej oraz spektroskopii impedancyjnej. Badania wykazały, że obecność WC w warstwach chromowych otrzymanych z kąpieli...
-
The effect of tensile stresses on aluminium passive layer durability
PublicationW niniejszej pracy przedstawiono wyniki badań DEIS dotyczących wpływu naprężeń rozciągających na trwałość warstwy pasywnej aluminium A91050, prowadzonych w środowisku chlorków w temperaturze pokojowej.Zastosowana technika pozwoliła na wyznaczenie krytycznej wartości wydłużenia, przy której doszło do pęknięcia warstwy pasywnej na badanym stopie.
-
Krzysztof Czerwionka dr hab. inż.
People -
Michał Ryms dr hab. inż.
PeopleMichał Ryms, PhD, DSc, Eng. is the physicist, graduate of the Gdańsk University of Technology. PhD thesis defended at the Chemical Faculty. Since 2011 an employee at the Department of Energy Conversion and Storage, Chemical Faculty, Gdansk University of Technology, POLAND – now as an associate professor. His research interests includes: improvement of energy efficiency and possibilities of new application of phase change materials...
-
BIRTH DEFECTS RESEARCH PART A-CLINICAL AND MOLECULAR TERATOLOGY
Journals -
Chemometric Evaluation of WWTPs’ Wastewaters and Receiving Surface Waters in Bulgaria
PublicationWastewater treatment plant (WWTP) installations are designed and operated to reduce the quantity of pollutants emitted to surface waters receiving treated wastewaters. In this work, we used classical instrumental studies (to determine chemicals and parameters under obligations put with Directive 91/271/EEC), ecotoxicological tools (Sinapis alba root growth inhibition (SA-RG) and Heterocypris incongruens mortality (MORT) and growth...
-
How does environmental regulation affect the city's domestic value-added rate of export? New spatial evidence from Chinese cities
PublicationProtecting the environment and increasing the domestic value-added rate of exports (DVARE) are hot issues for high-quality economic development. This paper explores how environmental regulation affects the DVARE. This paper constructs a dynamic spatial econometric model using the data of 285 Chinese cities from 2000 to 2020. It empirically tests the impact of environmental regulation on the DVARE. The research results show that...
-
Application of inserts for suppression of coupled dynamic-acoustic effects during confined granular flow in silos
PublicationArtykuł omawia sposoby redukcji efektów dynamiczno-akustycznych w silosach. Do redukcji zastosowano różne wkładki. Zbadano wpływ kształtu i liczby wkładek w doświadczeniach. Na podstawie wyników doświadczalnych opracowano metodę redukcji efektów dynamiczno-akustycznych w dużych stalowych silosach.
-
Biological effects in photodynamic treatment combined with electropermeabilization in wild and drug resistant breast cancer cells
Publication -
Effects of chronic neuroleptic treatment on dopamine release: Insights from studies using 3-methoxytyramine
Publication -
Effects of five sulphonamides on duckweed (Lemna minor) after prolonged exposure time and their dependency on photoradiation
Publication -
Acute Effects of Different Blood Flow Restriction Protocols on Bar Velocity During the Squat Exercise
Publication -
The Effects of the Anthropological Race, Gender and Location of Verbal-Pictorial Stimuli on the Usability of Visual Information Conveyance
Publication -
Radiative lifetime of a BODIPY dye as calculated by TDDFT and EOM-CCSD methods: solvent and vibronic effects
Publication -
Effects of strongly aggregated silica nanoparticles on interfacial behaviour of water bound to lactic acid bacteria
Publication -
Experimental research of circular saw blade tooth axial run-out influence on cutting effects
PublicationW pracy przedstawiono metodę pomiaru i wyniki badań doświadczalnych wpływu bicia osiowego ostrzy piły tarczowej na efekty przecinania
-
Wave‐Induced Surge Motion and Collisions of Sea Ice Floes: Finite‐Floe‐Size Effects
Publication -
Composition and In Vitro Effects of Cultivars of Humulus lupulus L. Hops on Cholinesterase Activity and Microbial Growth
Publication -
Effects of Fuel Properties on Exhaust Emissions from the Latest Light-Duty DI Diesel Engine
Publication -
The Effects of Textural Parameters of Zeolite and Silica Materials on the Protective and Functional Properties of Polymeric Nonwoven Composites
Publication -
Germination improvement of fenugreek seeds with cold plasma: Exploring long-lasting effects of surface modification
Publication -
Effects Of Chemical Mutagenic Agent In Phytoconstituents On Gardenia Jasminoids, Ellis, Through Tissue Clture Technique
Publication -
Nutritional and Health-Related Effects of a Diet Containing Apple Seed Meal in Rats: The Case of Amygdalin
Publication -
Effects of Primary Processing and Pre-Salting of Baltic Herring on Contribution of Digestive Proteases in Marinating Process
Publication -
Effects Of Limb Girdle Disease On The Anatomical Functional Areas Of The Shoulder Girdle And Pelvic Girdle Muscles
Publication -
Acute Effects of Whole-Body Vibration on Resting Metabolic Rate and Substrate Utilisation in Healthy Women
Publication -
Periodicity-induced effects in the scattering and absorption of light by infinite and finite gratings of circular silver nanowires
Publication -
Environmental Phage-Based Cocktail and Antibiotic Combination Effects onAcinetobacter baumanniiBiofilm in a Human Urine Model
Publication -
The effects of statins on blood pressure in normotensive or hypertensive subjects — A meta-analysis of randomized controlled trials
Publication -
Potentiation of the anti-tumour effects of Photofrin®-based photodynamic therapy by localized treatment with G-CSF
Publication -
The effects of Fe3O4 and Fe3O4/SiO2 nanoparticles on the mechanical properties of cement mortars exposed to elevated temperatures
Publication -
The effects of seawater on the hydration, microstructure and strength development of Portland cement pastes incorporating colloidal silica
Publication -
Chemical composition, antioxidant and anticancer effects of the seeds and leaves and indigo (polygonum tinctorium Ait.) Plant
PublicationSeeds and leaves of indigo (Polygonum tinctorium Ait.) plant were investigated and compared with another medicinal plant named prolipid for their properties such as chemical composition, antioxidant, and anticancer effects by Fourier transform infrared, three-dimensional fluorescence spectroscopy, and electrospray ionization-MS in negative mode. It was found that polyphenols, flavonoids, and flavanols were significantly higher...
-
Investigations of irradiation effects on electronic components to be used in VUV-FEL and X-FEL facilities at DESY
Publication -
Wheat bread enriched with raspberry and strawberry oilcakes: effects on proximate composition, texture and water properties
Publication -
The effects of short-term group psychodynamic psychotherapy on the personality traits of patients treated in a daily ward
Publication -
Selective Cytostatic and Cytotoxic Anticancer Effects of Bisfunctional Agents: A Strategy for the Design of DNA Binding Agents
PublicationVarious agents have been synthesized and proved useful for the National Cancer Institute's anticancer testing as potential new drugs, but most agents suffer side effects from their limited selectivity against cancer cells over healthy ones. Therefore, this paper attempts to describe drugs in terms of the level of tumor cell selectivity which they possess to define the features of mols. that are essential for useful cytotoxicity....
-
Effects of Immobilized RAP Binder on Asphalt-Aggregate Interaction and Performance of 100% Recycled Asphalt Mixtures
Publication -
Effects of flavonoids on expression of genes involved in cell cycle regulation and DNA replication in human fibroblasts
Publication -
The effects of confinement in pores built of folded graphene sheets on the equilibrium of nitrogen monoxide dimerisation reaction
Publication -
The Quality of Air in Polish Health Resorts with an Emphasis on Health on the Effects of Benzo(a)pyrene in 2015–2019
Publication -
Short-Term Effects of Intra-Articular Hyaluronic Acid Administration in Patients with Temporomandibular Joint Disorders
Publication -
The Effects of the “Sling Shot” Device on Bench Press Performance, Mechanical Properties of Muscle, and Movement Kinematics
Publication