Filters
total: 5181
-
Catalog
displaying 1000 best results Help
Search results for: salivary glands
-
Stimulation of antibacterial napthoquinones and flavonoids accumulation in carnivorous plants grown in vitro by addition of elicitors
PublicationRośliny owadożerne (D. muscipula, D. capensis) zawierają dwie grupy farmakologicznie czynnych substancji - naftochinony: plumbagina, ramentaceon, oraz flawonoidy: kwercetyna i mirycetyna. Na wzrost akumulacji tychże substancji w tkankach roślin owadożernych ma wpływ dodatek elicytora. Zbadano wpływ następujących elicytorów na zawartość metabolitów o znaczeniu farmaceutycznym: kwas jaśminowy oraz lizat Agrobacterium rhizogenes....
-
Planetary roller extruders in the sustainable development of polymer blends and composites – Past, present and future
PublicationScrew extruders as continuous flow reactors allow the synthesis of new polymers, preparation of polymer blends and composites, and modification or functionalization of commercially available polymers. Literature data shows that the twin screw extrusion is the most popular solution used for this purpose. In contrast, the number of scientific papers on alternative methods, such as multi-screw extruders, is somewhat limited. This...
-
Human Factors and Functional Safety Analysis in Designing the Control Rooms of Industrial Hazardous Plants
PublicationIn this work some aspects of human factors and functional safety analysis in designing the control rooms of industrial hazardous plants are presented. The “defence in depth” (D-in-D) concept is outlined. Some designing issues of the alarm system (AS) with regard to human factors to be supported using the human reliability analysis (HRA) are discussed. The AS and decision support system (DSS), when properly designed, would contribute...
-
Selected Aspects Of Building, Operation And Environmental Impact Of Offshore Wind Power Electric Plants
Publication -
A selection of the optimal eluent components for separation of carnivorous plants metabolites by planar chromatography chromatography
PublicationAbstract: The development of the new procedures of the separation components with the complicated chemical structure from natural complex matrix by column chromatography is very difficult and in many cases expensive. Therefore to pre-select the conditions of the separation process the use of thin layer chromatography (TLC) is proffered. The possibility of proceeding the chromatographic process for several mixtures on single plate,...
-
Methodological issues of functional safety and reliability assessment of critical systems in industrial hazardous plants
PublicationThe aim of this article is to identify and discuss some methodological issues that are of interest among functional safety specialists and experts after publication of the second edition of international standards IEC 61508 and IEC 61511, including the design and implementing the safety-related functions of higher safety integrity levels and protection layers. The basic role of safety-related systems is to reduce effectively and...
-
Building Polish space sector – from small islands of excellence to a national innovation ecosystem
PublicationIn the paper a national potential of Poland to build its space industry after joining the European Space Agency (ESA) in 2012 is assessed, based on the series of survey reports published annually by POLSA since 2016. Their methodology was based on the ESA technology tree, classifying all the space-related technical knowhow and allowed identification of the most promising strengths to exploit and shortages to challenge by policymakers...
-
Characteristics and fate of organic nitrogen in municipal biological nutrient removal wastewater treatment plants
PublicationThe aim of this study was to investigate the occurrence and fate of colloidal and dissolved organic nitrogen (CON and DON) across biological nutrient removal (BNR) activated sludge bioreactors. Primary and secondary effluent total nitrogen (TN) measurements and component fractionation, CON and DON concentration profiles across BNR bioreactors, and laboratory batch experiments with the process mixed liquor were carried out at several...
-
Reactive extrusion of bio-based polymer blends and composites – Current trends and future developments
PublicationReactive extrusion is a cost-effective and environmentally-friendly method to produce new materials with enhanced performance properties. At present, reactive extrusion allows in-situ polymerization, modification/functionalization of polymers or chemical bonding of two (or more) immiscible phases, which can be carried out on commonly used extrusion lines. Although reactive extrusion has been known for many years, its application...
-
Carnivorous plants used for green synthesis of silver nanoparticles with broad-spectrum antimicrobial activity
PublicationIn this study, we exploit the anti-oxidative potential of four carnivorous plants to produce uniform and biologically active silver nanoparticles. The use of polyvinylpyrrolidone promoted syn-thesis of quasi-spherical nanoparticles characterized by stability and high uniformity. Their activity was tested against three human pathogens and three species of plant pathogenic bacteria. The study demonstrates the influence of synthesis...
-
Water Footprint Assessment of Selected Polymers, Polymer Blends, Composites, and Biocomposites for Industrial Application
PublicationThis paper presents a water footprint assessment of polymers, polymer blends, composites, and biocomposites based on a standardized EUR-pallet case study. The water footprint analysis is based on life cycle assessment (LCA). The study investigates six variants of EUR-pallet production depending on the materials used. The system boundary included the production of each material and the injection molding to obtain a standardized...
-
Morphochemical investigation on the enrichment and transformation of hazardous elements in ash from waste incineration plants
Publication -
Ductal carcinoma, NOS - Male, 50 - Tissue image [2280630018273161]
Open Research DataThis is the histopathological image of PAROTID GLANID tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Ductal carcinoma, NOS - Male, 50 - Tissue image [2280630018277181]
Open Research DataThis is the histopathological image of PAROTID GLANID tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Ductal carcinoma, NOS - Male, 50 - Tissue image [2280630018274051]
Open Research DataThis is the histopathological image of PAROTID GLANID tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Ductal carcinoma, NOS - Male, 50 - Tissue image [2280630018276531]
Open Research DataThis is the histopathological image of PAROTID GLANID tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Ductal carcinoma, NOS - Male, 50 - Tissue image [2280630018277011]
Open Research DataThis is the histopathological image of PAROTID GLANID tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Ductal carcinoma, NOS - Male, 50 - Tissue image [2280630018278401]
Open Research DataThis is the histopathological image of PAROTID GLANID tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Ductal carcinoma, NOS - Male, 50 - Tissue image [2280630018277841]
Open Research DataThis is the histopathological image of PAROTID GLANID tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Ductal carcinoma, NOS - Male, 50 - Tissue image [2280630018278261]
Open Research DataThis is the histopathological image of PAROTID GLANID tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
ADRENAL GLAND, Adrenal gland, NOS - Female, 0 - Tissue image [413073001886751]
Open Research DataThis is the histopathological image of ADRENAL GLAND tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
ADRENAL GLAND, Adrenal gland, NOS - Male, 2 - Tissue image [7040247104955291]
Open Research DataThis is the histopathological image of ADRENAL GLAND tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
ADRENAL GLAND, Adrenal gland, NOS - Male, 41 - Tissue image [3300730069468711]
Open Research DataThis is the histopathological image of ADRENAL GLAND tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
ADRENAL GLAND, Adrenal gland, NOS - Male, 71 - Tissue image [12030630017649991]
Open Research DataThis is the histopathological image of ADRENAL GLAND tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
-
Medicinal Plants - International Journal of Phytomedicines and Related Industries
Journals -
Plans Ornaments in The Architectural Details of Art Nouveau Townhouses And Villas in Sopot
Publication -
Wettability of plasma modified glass surface with bioglass layer in polysaccharide solution
Publication -
Lightweight Cement Mortars with Granulated Foam Glass and Waste Perlite Addition
Publication -
Effect of Glass Powder on the Cement Hydration, Microstructure and Mechanical Properties of Mortar
Publication -
Electronic conductivity in the SiO2–PbO–Fe2O3 glass containing magnetic nanostructures
Publication -
Chromium, nickel and vanadium mobility in soils derived from fluvioglacial sands
Publication -
Electrical properties and structure of lead-borate glass containing iron ions
Publication -
Degradation of Gel-Coat Layer in Glass/Polyester Laminate in Seawater Environment
Publication -
Water-based bitumen recovery from diluent-conditioned oil sands.
PublicationPrzedyskutowano proces odzysku bitumów za pomocą wody z piasków zaolejonych. Efektywność separacji bitumów podczas roztwarzania i flotacji można zwiększyć poprzez redukcję napięcia międzyfazowego na granicy bitum-woda.
-
EXAFS analysis of bismuth atom neighbourhood in reduced bismuth silicate glass
PublicationPraca zawiera wyniki strukturalnej analizy EXAFS niemodyfikowanego szkła bizmutowo-krzemianowego o składzie 0.4Bi2O3 0.6SiO2 oraz jego modyfikowanych w atmosferze gorącego wodoru form. Przedstawiono wpływ czasu redukcji na strukturę rozważanego szkła. Wyniki wskazują na silną tendencję do aglomeracji neutralnych atomów bizmutu w metaliczne nanostruktury.
-
The concept of weighted mean friction angle in bearning capacity of footings of sands
PublicationZagadnienie średniej ważonej kąta tarcia wewnętrznego w nośności fundamentów posadowionych w gruntach niespoistych.
-
The structure of Pb-PbO-SiO2 glass via molecular dynamics simulation
PublicationPraca poświęcona jest badaniom struktury blisko i średniozasięgowej częściowo zredukowanego szkła ołowiowo-krzemianowego o stechiometrii 1Pb1PbO1SiO2 uzyskanego na drodze symulacji dynamiczno-molekularnych. Otrzymane rezultaty porównamy z danymi otrzymanymi dla szkła niemodyfikowanego (2PbO1SiO2) i całkowicie zredukowanego (2Pb1SiO2).
-
Lightweight glass and metal roof structures in the 19th century. Architecture and construction.
PublicationThe 19th century brought new construction possibilities. The usage of metal elements in mesh structures, filled in with glass, resulted in creating entirely new types of objects. They have distinguished themselves in architecture and technical solutions. The envelope structures giving spatial interiors were arising very quickly. They have been enabling large light penetration, triggering them extremely bright. Thus these building...
-
Influence of concentration on contact angle of water-Cu nanofluid on glass substrate
PublicationIn the paper the results of an experimental investigation of influence of nanoparticle concentration on contact angle of water-Cu nanofluid on glass substrate have been presented. Nanoparticles were tested at the concentration of 0.01%, 0.1%, and 1% by weight. In the present study copper was applied as nanoparticle while distilled, deionized water was used as a base fluid. The mean diameter of nanoparticle is estimated to be 50...
-
A Test-Bed Analysis of Simultaneous PMIPv6 Handover in 802.11 WLANs Environment
PublicationProviding mobility in access networks is a challenge that we have to deal with. Due to networks’ convergence and migration to all-IP networks, mobility management at the network layer is required. However, there is a need for cooperation mechanisms between the network layer and lower layers to support multimedia services and make handover more efficient. This paper presents experimental research on simultaneous handover performance...
-
Electronic conductivity in the SiO2-PbO-Fe2O3 glass containing magnetic nanostructures
PublicationThe linear impedance spectra of iron–silicate–lead glass samples were measured in the frequency range from 1 MHz to 1 MHz and in the temperature range from 153 K to 423 K. The structure was investigated by means of XRD and atomic force microscopy. Local electrical and magnetic properties of the samples were tested with the aid of electrostatic force microscopy (EFM) and magnetic force microscopy (MFM). The obtained results show...
-
Electrical properties and structure of lead-borate glass containing iron ions.
PublicationThe ac and dc conductivity in iron–lead-borate glass samples was investigated in the frequency range from 1 mHz to 1 MHz and in the temperature range from 153 K to 423 K. The structure was investigated by the means of atomic force microscopy (AFM) and the crystalline phases (if present) were identified by the means of X-ray diffractometry. Two types of ac electrical behaviour were observed. The first group of glass samples which...
-
The structure and melting of lead nanocrystalline layer in reduced lead-germanate glass
PublicationNanokrystaliczna warstwa granul Pb na powierzchni szkieł ołowiowo-germanianowych została wytworzona poprzez wygrzewanie w wysokich temperaturach, w atmosferze wodoru. Właściwości tej warstwy silnie zależą od temperatury i czasu redukcji. Artykuł prezentuje rentgenowskie i mikroskopowe badania struktury warstwy oraz wpływ topnienia i krzepnięcia granul Pb na jej przewodnictwo.
-
Low velocity impact damage in glass/polyester composite sandwich panels
PublicationZbadano odporność udarową konstrukcji przekładkowych z laminatu poliestrowo szklanego pod kątem adhezji z rdzeniem (pianki PVC) przy polaczeniu dwoma rodzajami kleju lub łączanymi na ''mokro'' przy pomocy żywicy w trakcie utwardzania laminatu. Do oceny obszaru zniszczeń udarowych zastosowano metodę ultradźwiękową, która umożliwia wykrycie pola delaminacji nakładających się na siebie w poszczególnych warstwach .Obszary zniszczeń...
-
Feature-based generation of machining process plans for optimised parts manufacture
PublicationPrzedstawiono aktualne zagadnienia związane z integracją systemów CAD/CAM/CAPP. Opracowano model informacyjny danych dla systemu CAPP w postaci zapisu macierzowego. Zawarto algorytm tworzenia rozwiązań wariantowych i wyboru optymalnego procesu technologicznego obróbki. Proponowany algorytm działania zweryfikowano na rzeczywistym przykładzie z praktyki przemysłu.
-
Degradation of Gel-Coat Layer in Glass/Polyester Laminate in Seawater Environment
PublicationGlass/polyester laminate coated with gelcoat layer of different thickness 0,5; 1,5; 3 mm was studied in terms of blistering behaviour and water sorption in hot water environment. Blistering was found to be accelerated for thin (0,5 mm) gel-coat layer compared to the thick (1,5; 3 mm), however no significant difference in blistering behaviour was observed between the laminates with gel-coat thickness 1,5 and 3 mm which may suggest...
-
Application of lightweight cement composite with foamed glass aggregate in shell structures
PublicationThe purpose of the paper is to investigate the abilities of applying Granulated Expanded Glass Aggregate (GEGA) as a natural volume substitute of aggregate as a component of lightweight concrete. The GEGA aggregates used in the experiments were made of confused glass waste. In order to achieve satisfactory strength of concrete Granulated Ash Aggregate (GAA) was added as well. To produce specimens three grain sizes of aggregates...
-
Spin-glass behavior in a binary Pr 3 Ir intermetallic compound
PublicationPolycrystalline Pr3Ir was synthesized by arc melting. Its cementite-type crystal structure (Pnma) was confirmed by powder X-ray diffraction and estimated lattice parameters are in agreement with literature. Physical properties were measured by means of the ac and dc magnetic susceptibility, electrical resistivity and heat capacity. Our results indicate spin-glass behavior in Pr3Ir with a freezing temperature Tf = 6.58 K and activation...
-
Simultaneous handover scheme for IEEE 802.11 WLANs with IEEE 802.21 tiggers
PublicationHandover performance in wireless networks is important, especially nowadays, when multimedia services are becoming increasingly available over the wireless devices. However, users expect uncompromised mobility when using the service. Thus, the support of multimedia services is not possible if handover is inefficient. At the same time it is clear that a strict separation between IP Layer and the Link Layer results in built-in sources...
-
Mechanical, thermo-mechanical properties of epoxy/glass composites with submicron particles
PublicationIn this research the influence of submicron zinc oxide and silicon dioxide particles on mechanical, thermo-mechanical properties of epoxy matrix composites reinforced with glass fibres was investigated. Composites were fabricated using hand lay-up method. Materials contained 39-41 wt.% of glass fibres. The bending tests, dynamic mechanical analysis and tribological tests were performed on each group of composites and also for...