Filters
total: 4380
filtered: 3438
-
Catalog
- Publications 3438 available results
- Journals 103 available results
- Conferences 1 available results
- Publishing Houses 1 available results
- People 287 available results
- Inventions 2 available results
- Projects 14 available results
- e-Learning Courses 316 available results
- Events 23 available results
- Open Research Data 195 available results
Chosen catalog filters
displaying 1000 best results Help
Search results for: CASTOR OIL
-
Scaling of signed residue numbers with mixed-radix conversion in FPGA with extended scaling factor selection
PublicationA scaling technique of signed residue numbers in FPGA is proposed. The technique is based on conversion of residue numbers to the Mixed-Radix System (MRS). The scaling factor is assumed to be a moduli product from the Residue Number System (RNS) base. Scaling is performed by scaling of MRS terms, the subsequent generation of residue representations of scaled terms, binary addition of these representations and generation of residues...
-
The effect of cabbage juice and its active components on transcription factor Nrf2 in breast cell lines
PublicationObniżenie zagrożenia chorobami nowotworowymi w przypadku diety bogatej w kapustę wiąże się ze zdolnością bioaktywnych związków tego warzywa do indukowania enzymów ochronnych 2. fazy będacych pod kontrolą czynnika transkrypcyjnego Nrf2. Zbadano wpływ soków z kapusty na poziom Nrf2 w komórkach unieśmiertelnionych i nowotworowych linii odpowiednio MCF10A i MCF-7. W obu przypadkach obserwowano wzrost poziomu tego czynnika oraz jego...
-
UGT1A1gene polymorphism as a potential factor inducing iron overload in the pathogenesis of type 1 hereditary hemochromatosis
Publication -
Custom FBGs inscription using modified phase mask method with precise micro- and nano-positioning
Publication -
Efektywna warstwa pośrednicząca dla obliczeń typu master-slave w środowisku C++/MPI
PublicationPokazano, jak dla wysokowydajnościowego algorytmu pisanego w modelu master-slave w języku C++ i spełniającego pewne ograniczenia można napisać i wykorzystać warstwę komunikacyjną zupełnie oddzielającą kod odpowiedzialny za komunikację od kodu odpowiedzialnego za dzie-dzinę problemową. Przedstawiona zostaje specyfkacja wymagań, jakie powinien spełniać hipotetyczny system rozproszony oraz warstwa komunikacyjna, a także wymagania...
-
Linalool as a novel natural factor enhancing ginsenoside production in hairy root cultures of American ginseng
Publication -
Linalool as a novel natural factor enhancing ginsenoside production in hairy root cultures of American ginseng
Publication -
Custom-Made Antibiotic Cement Nails in Orthopaedic Trauma: Review of Outcomes, New Approaches, and Perspectives
Publication -
Redox reactions of the FAD-containing apoptosis-inducing factor (AIF) with quinoidal xenobiotics: A mechanistic study
Publication -
Polish version of the White Bear Suppression Inventory (WBSI) by Wegner and Zanakos: factor analysis and reliability
Publication -
Broadband communication solutions for maritime ITSs: Wider and faster deployment of new e-navigation services
Publicationn its initial part, the paper presents an overview of popular technologies and systems currently developed or employed in maritime communication. These solutions are used to provide both ship-to-ship and ship-to-shore communication for the purpose of supporting specific services, often dedicated to maritime safety and e-navigation. Utility of such communication systems have been thoroughly verified over the years and their strengths...
-
Explicit Size-Reduction of Circularly Polarized Antennas through Constrained Optimization with Penalty Factor Adjustment
PublicationModern communication systems of high data capacity incorporate circular polarization (CP) as the preferred antenna radiation field configuration. In many applications, integration of the system circuitry with antennas imposes size limitations on CP radiators, which makes their development process a challenging endeavor. This can be mitigated by means of simulation-driven design, specifically, constrained numerical optimization....
-
An Extended Control of the Input Angle for Matrix Converters Connected with the Non-Unity Power Factor Loads.
PublicationThis paper proposes a novel PWM modulation algorithm for Multiphase Conventional Matrix Converters (MCMC), with 3 inputs and k outputs, using the transfer function of the load angle. The proposed approach extends the range of power angle control at the input during the operation with a maximum voltage transfer ratio. The proposed concept is based on the Direct Analytic Voltage PWM (DAV--PWM) modulation with an elliptical trajectory...
-
Opioid Growth Factor and its Derivatives as Potential Non-toxic Multifunctional Anticancer and Analgesic Compounds
PublicationIn this paper, we review the structure-activity relationship of OGF and its analogues. We highlight also OGF derivatives with analgesic, immunomodulatory activity and the ability to penetrate the blood-brain barrier and may be used as safe agents enhancing chemotherapy efficacy and improving quality of life in cancer patients. The reviewed papers indicate that Met-enkephalin and its analogues are interesting candidates for the...
-
A multi-analytical approach to the characterization of natural organic dyestuffs and inorganic substrates present in the 19th-century artistic oil paints manufactured by a French art materials supplier Richard Aines
PublicationThis paper presents a comprehensive analysis of artistic paints produced in the 19th century by a French art materials supplier Richard Ain`es. Improved mild extraction with hydrofluoric acid enabled the observation of intact organic dyes. Reversed-phase liquid chromatography with diode-array and mass spectrometry detection was utilised for the identification of 35 dyes present in yellow and red paint samples, and in selected plant...
-
Comparative model tests of SDP and CFA pile groups in non-cohesive soil
PublicationThe research topic relates to the subject of deep foundations supported on continuous flight auger (CFA) piles and screw displacement piles (SDP). The authors have decided to conduct model tests of foundations supported on the group of piles mentioned above and also the tests of the same piles working alone. The tests are ongoing in Geotechnical Laboratory of Gdańsk University of Technology. The description of test procedure, interpretation...
-
Protection and viability of fruit seeds oils by nanostructured lipid carrier (NLC) nanosuspensions
PublicationIn this paper, we focused on the development of nanostructured lipid carriers (NLCs) for dermal application. The NLC matrix was designed as a protective reservoir of biological active compounds that naturally occur in domestic fruit seed oils. Over the years, emulsions, as a popular physicochemical form of personal care products, were refined in order to obtain the best possible penetration into the skin of any bioactive compound...
-
DEM-FEM model of highly saturated soil motion due to seepage force
PublicationArtykuł poświęcono nowej propozycji rozwiązania problemu modelowania zjawiska transportu, które występuje wewnątrz wysoko-nawodnionego gruntu ziarnistego na skutek ciśnienia spływowego. Teoria oparta została na połączeniu metody elementów skończonych (FEM - Finite Element Method) - rozwiązania równań poro-elastycznych oraz metody poszczególnych elementów (DEM - Distinct Element Method), które dały podwójny model numeryczny. FEM...
-
Static headspace sampling and solid-phase microextraction for assessment of edible oils stability
PublicationStatyczna analiza fazy nadpowierzchniowej i mikroekstrakcja do fazy stacjonarnej z fazy nadpowierzchniowej zostały zastosowane do oznaczenia niskocząsteczkowych aldehydów - markerów procesu utleniania olejów roślinnych. Zoptymalizowano parametry izolacji i ekstrakcji analitów dla obu technik. Wyznaczono granice oznaczalności i wykrywalności oraz powtarzalność dla badanych związków. Obie metody zastosowano w analizie próbek olejów...
-
A comparison of indexing methods to evaluate quality of soils: the role of soil microbiological properties
Publication -
The Influence of Selected Plant Essential Oils on Morphological and Physiological Characteristics in Pseudomonas Orientalis
Publication -
Bezpieczeństwo funkcjonalne: określanie wymaganego poziomu nienaruszalności bezpieczeństwa SIL - cz.1
PublicationW artykule przedstawiono zagadnienia określania wymagań na nienaruszalność bezpieczeństwa SIL wybranych funkcji związanych z bezpieczeństwem, które należy zaimplementować w systemach podwyższonego ryzyka.
-
Bezpieczeństwo funkcjonalne: określanie wymaganego poziomu nienaruszalności bezpieczeństwa SIL - cz. 2
PublicationBezpieczeństwo funkcjonalne pełni jedną z kluczowych ról w procesie zarządzania bezpieczeństwem w cyklu życia systemu technicznego i dotyczy właściwego projektowania oraz późniejszego utrzymywania systemów technicznych związanych z bezpieczeństwem, wykonanych w technologii E/E/PE (elementy elektryczne / elektroniczne / elektroniczne programowalne) realizujących tzw. funkcje bezpieczeństwa SRF (ang. safety related function).
-
Habitat displacement effect between two competing owl species in fragmented forests
Publication -
New Generation of Water lubricated Foil bearing - Numerical Models and Experimental Verification
PublicationIn the paper a new idea of foil water lubricated bearing and methodology of hydrodynamic characteristics calculations is presented. To assesses the theoretical characteristics of these bearings two different computer models were built. First is structural model coupled with fluid model. It takes into account: fluid flow in the deformed fluid gap, specific design of bearing support and friction in bearing support. The second is...
-
The solubilization of hydrocarbon mixtures as one of the mechanisms of hydrophobic pollutants removal from soil
PublicationBadano solubilizację mieszanin węglowodorów alifatycznych (dekanu, dodekanu, tetradekanu, heksadekanu) i aromatycznych (toluenu, o-xylenu) w roztworach micelarnych surfaktantów niejonowych - oksyetylenowanego alkoholu (Rokanol NL6) i alkilopoliglukozydów (Triton BG10, AG 6210). Najwyższą efektywność solubilizacji uzyskano dla Rokanolu NL6. Efektywność solubilizacji mieszaniny zależała od rozpuszczalności poszczególnych jej składników...
-
Environmentally friedly propeller shaft support with the use of water lubricated foil bearings
PublicationW pracy przedstawiono podsumowanie prowadzonych badań w celu opracowania oryginalnej metodyki projektowania oraz technologii wykonania pierwszego w świecie łożyska foliowego smarowanego wodą. Zaprezentowano koncepcje nowego łożyska foliowego poprzecznego oraz opisano opracowany algorytm obliczeniowy wykorzystany do predykcji jego charakterystyk. W rezultacie prowadzonych prac opracowano i przebadano doświadczalnie na stanowisku...
-
Identification and molecular modeling of a novel lipase from an Antarctic soil metagenomic library.
PublicationIn this work, we present the construction of a metagenomic library in Escherichia coli using pUC19 vector and environmental DNA directly isolated from Antarctic topsoil and screened for lipolytic enzymes. The screening on agar supplemented with olive oil and rhodamine B revealed one clone with lipolytic activity (Lip1) out of 11,000 E. coli clones. This clone harbored a plasmid, pLip1, which has an insert of 4722 bp that has been...
-
OSL properties of lithium aluminate crystals grown with Micro-Pulling-Down technique
Publication -
Critical study of crop-derived biochars for soil amendment and pharmaceutical ecotoxicity reduction
Publication -
Spectroscopic Methods in the Evaluation of Modified Vegetable Base Oils from Crambe abyssinica
Publication -
Matrix solid-phase dispersion with sand in chromatographic analysis of essential oils in herbs
Publication -
Effect of biochar activation by different methods on toxicity of soil contaminated by industrial activity
Publication -
Removal of hydrophobic organic pollutants from soil by surfactants and biosurfactants solution flushing
PublicationPrzedstawiono wyniki solubilizacji dwóch związków hydrofobowych - tetrachloroetylenu i dodekanu oraz dwóch bazowych olejów mineralnych - SAE 30/95 i PAO6 w wodnych roztworach syntetycznych związków powierzchniowo czynnych oraz biosurfaktantów. Zaobserwowano liniowy wzrost solubilizacji wraz ze wzrostem stężenia surfaktantu.Przedstawiono także wyniki wymywania oleju PAO6 ze sztucznie zaolejonego piasku (w kolumnie) z pomocą roztworów...
-
Wetting properties of biosurfactant (rhamnolipid) with synthetic surfactants mixtures in the context of soil remediation
PublicationWetting properties of synthetic surfactant Rokanol NL6, biosurfactant JBR 425 and their mixture have been investigated.The results show that synthetic surfactant addition worsens physicochemical properties of pure biosurfactant but exhibits much higher oil removal efficiency than biosurfactant does.
-
The application of acetylacetone for the separation of heavy metals in roadside soil belts by extraction methods
Publication -
Residual Effects of Different Cropping Systems on Physicochemical Properties and the Activity of Phosphatases of Soil
Publication -
Inductive Bifilar Coil Based Wireless Charging System for Autonomous Electric Boat
Publication -
EFFECTS OF 13 YEARS SOIL FERTILISATION ON STORAGE QUALITY OF âCORTLANDâ APPLES
Publication -
The use of Kamienna głowa cabbage species for phytoextraction of zinc and cadmium from the soil
PublicationAlthough traditional technologies for cleaning contaminated soils have proven to be efficient, they are usually expensive, labor intensive, and in the case of soil, they produce severe disturbance. Most recently, the use of plants in metal extraction (phytoremediation) has appeared as a promising alternative in the removal of heavy metal excess from soil. Phytoremediation uses of plant for pollutant stabilization, extraction, degradation,...
-
E-mail user roles identification using OWL-based ontology approach
PublicationSieci społeczne jako struktury ukazujące społeczne powiązania pomiędzy osobami lub całymi organizacjami poddawane są często analizie w celu rozpoznania ról, jakie pełnią poszczególni aktorzy w danej sieci. Taka klasyfikacja ról odgrywanych przez aktorów może dostarczać wielu cennych informacji o danej sieci, gdyż daje nam całościowy obraz danej sieci pozwalając na zrozumienie, w jaki sposób sieć jest zorganizowana, i w jaki sposób...
-
Metody rozwiązywania problemu zapisu norm prawnych w postaci ontologii OWL
PublicationArtykuł dotyczy problemu zapisu norm prawnych w postaci umożliwiającej systemom komputerowym automatyczne przetwarzanie treści tych norm i ich interpretowanie. Artykuł przedstawia możliwości wykorzystania komputerów do podawania bieżącego stanu prawnego oraz pełnienia funkcji doradczej. W artykule opisana jest realizacja tego zagadnienia opierająca się na zapisie norm prawnych w postaci ontologii wyrażonych w języku OWL. Zapis...
-
Application of ultrafiltration ceramic membrane for separation of oily wastewater generated by maritime transportation
Publication -
Adsorption properties of Triton X-100 and rhamnolipid biosurfactant in the contex of soil remediation
PublicationZbadano adsorpcję surfaktantu syntetycznego Triton X-100 i biosurfaktantu z grupy ramnolipidów oraz ich koadsorpcję na granicy faz powietrze/woda oraz olej/woda. Jako fazę organiczną wybrano dodekan oraz syntetyczny olej bazowy na bazie polialfaolefin (PAO). Te same surfaktanty użyto do zbadania zwilżalności powierzchni stałych pokrytych cieńką warstwą substancji hydrofobowej. Na podstawie badań fizykochemicznych nie zauważono...
-
Study of Soil Temperature and Moisture Changes in a Physical Model of an Underground Cable Line
PublicationThe ampacity of power cables is highly dependent on the thermal resistivity of the soil in which they are laid. The lower it is, the higher this ampacity. The thermal resistivity of the soil decreases as its moisture increases. Therefore, it is preferable that the soil around the cables has high moisture. Unfortunately, the heat generated in heavily loaded cables causes the migration of moisture from the surrounding soil, which...
-
Testing of the longest span soil-steel bridge in Europe – new quality in measurements
PublicationThe article describes interdisciplinary and comprehensive diagnostic tests of final bridge inspection and acceptance proposed for a soil – steel bridge made of corrugated sheets, being the European span length record holder (25.74 m). As an effect of an original concept a detailed and precise information about the structure response was collected. The load test design was based on the nonlinear numerical simulations performed by...
-
Probabilistic estimation of diverse soil condition impact on vertical axis tank deformation
PublicationThe calculations of fuel tanks should take into account the geometric imperfections of the structure as well as the variability of the material parameters of the foundation. The deformation of the tank shell can have a significant impact on the limit state of the structure and its operating conditions. The paper presents a probabilistic analysis of a vertical-axis, floating-roof cylindrical shell of a tank with a capacity of 50000...
-
Determination of p-y curves for offshore piles based on in-situ soil investigations
PublicationOffshore piles are subjected to complex loads with considerable lateral component. The pile-soil response to lateral loads can be described with the p-y method. For a given depth the load–deflection relationship is built to simulate the surrounding soil stiffness. This state-of-art paper presents a brief discussion of determination methods for the p-y curves using a standard approach based on the soil parameters derived from laboratory...
-
Effect of soil moisture on current-carrying capacity of low-voltage power cables
PublicationOne of the factors affecting current-carrying capacity of underground power cables is the thermal resistivity of soil. Its value in the close proximity of the cable is the most important, and for this reason, in some cases, the local soil is replaced with an another soil type or with a cement-sand mixture. The thermal resistivity of the soil is strongly affected by moisture, and in the case of a cement-sand mixture – as tested...
-
Optical flow method for measuring deformation of soil specimen subjected to torsional shearing
PublicationIn this study optical flow method was used for soil small deformation measurement in laboratory tests. The main objective was to observe how the deformation distributes along the whole height of cylindrical soil specimen subjected to torsional shearing (TS test). The experiments were conducted on dry non-cohesive soil specimens under two values of isotropic pressure. Specimens were loaded with low-amplitude cyclic torque to analyze...