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Search results for: ALGAN-GAN
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The effects of gas exposure on the graphene/AlGaN/GaN heterostructure under UV irradiation
PublicationThis work demonstrates a graphene/AlGaN/GaN sensing device with two-dimensional electron gas (2DEG) toward nitrogen dioxide (NO2), tetrahydrofuran, and acetone detection under UV light irradiation. We propose combining measurements of the DC characteristics with a fluctuation-enhanced sensing method to provide insight into the gas detection mechanisms in the synergistic structure of highly stable GaN and gas-sensitive graphene....
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Millimetre band detectors based on GaN/AlGaN HEMT
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GaN/AlGaN based transistors for terahertz emitters and detectors
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Anomalous sub-THz detection by GaN/AlGaN FinFETs
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Terahertz detection by AlGaN/GaN HEMTs at high intensity
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Graphene as a Schottky Barrier Contact to AlGaN/GaN Heterostructures
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Cyanobacterial and Algal Strains in the Culture Collection of Baltic Algae (CCBA)
PublicationThe dataset titled Microalgal strains from “Culture Collection of Baltic Algae (CCBA)” is a representation of cyanobacterial and microalgal cultures isolated from the Baltic Sea. It is a unique catalogue of strains of the dominant and rare species found in the Baltic phytoplankton and microphytobenthos assemblages. The main purpose of the collection is to extend the knowledge on the Baltic microbial communities by providing...
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AlGaN/GaN HEMT’s photoresponse to high intensity THz radiation
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AlGaN/GaN HEMTs for THz Plasma Wave Detection and Emission
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Sub-terahertz detection by fin-shaped GaN/AlGaN transistors
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Control of the unscreened modes in AlGaN/GaN terahertz plasmonic crystals
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Grating-Gate AlGaN/GaN Plasmonic Crystals for Terahertz Waves Manipulation
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GaN/AlGaN lateral Schottky barrier diodes for high frequency applications
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Saturation of photoresponse to intense THz radiation in AlGaN/GaN HEMT detector
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AlGaN/GaN heterostructures for plasma wave detection and emission in THz regime
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Different Terahertz Phases of AlGaN/GaN Grating-Gate Plasmonic Crystals
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Modified bow-tie antennas AlGaN/GaN FinFETs for sub-THz detection
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Low frequency noise and trap density in GaN/AlGaN field effect transistors
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Temperature dependence of current response to sub-terahertz radiation of AlGaN/GaN and graphene transistors
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Plasmons in AlGaN/GaN grating-gate structure probing with 300 K background illumination
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Electrical and Noise Characteristics of Fin-Shaped GaN/AlGaN Devices for High Frequency Operation
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Lateral Schottky barrier diodes based on GaN/AlGaN 2DEG for sub-THz detection
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Current-driven THz emission from AlGaN/GaN grating gate structures in the magnetic field
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Double-Quantum-Well AlGaN/GaN Field Effect Transistors with Top and Back Gates: Electrical and Noise Characteristics
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Electrical and noise properties of graphene gate fin-shaped GaN/AlGaN field effect transistors for high frequency electronics
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AlGaN/GaN field effect transistor with two lateral Schottky barrier gates towards resonant detection in sub-mm range
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A1GaN/GaN Field Effect Transistors Based on Lateral Schottky Barrier Gates as Millimeter Wave Detectors
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Application of Algae Biomass and Algae Extracts in Cosmetic Formulations
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Analysis of Green Algae Extracts
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Biomass and Extracts of Algae as Material for Cosmetics
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Green alga Chlamydomonas reinhardtii can effectively remove diclofenac from the water environment – A new perspective on biotransformation
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A Mini Review of Biochemical Conversion of Algal Biorefinery
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Ocena możliwości wykorzystania sieci pętlowych RPR I 10 Gigabit Ethernet do budowy sieci LAN/MAN/WAN
PublicationPrzedstawiono rozwiązania sieciowe: 10GE i RPR. W szczególności omówiono możliwość wykorzystania tych rozwiązań w sieciach LAN, MAN, WAN i ich współpracy z infrastrukturą SONET/SDH. Na tle zalet sieci zbudowanych całkowicie w technologii 10GE i ograniczeń jakim podlegają sieci Ethernet ukazano proponowane w RPR możliwości zarządzania pasmem i skuteczność mechanizmów reakcji na uszkodzenia. Przedstawiono koszty realizacji wybranych...
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Enhanced supercapacitor materials from pyrolyzed algae and graphene composites
PublicationThis study focuses on the synthesis and characterization of supercapacitor materials derived from pyrolyzed natural compounds. Four compounds were investigated: methylcellulose with lysine (ML), methylcellulose with lysine-graphene composite (MLG), algae (A), and algae-graphene composite (AG). The pyrolysis process was utilized to convert these natural compounds into carbon-based materials suitable for supercapacitor applications....
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Red Algae – An Alternative Source of Carbon Material for Energy Storage Application
PublicationNew electrode material obtained by pyrolysis of aquatic biomass macro (red algae) soaked with glucose solution has been characterized by SEM, EDX and Raman spectroscopy. Graphitized carbon was identified by Raman spectroscopy. Galvanostatic cyclic polarization of the materials in contact with 1M LiPF6 electrolyte in EC:DMC (1:1 v/v) and Li as a counter electrode was performed. Specific capacity of the novel material was enhanced...
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The effect of algal blooms on fish in their inshore nursery grounds in the Gulf of Gdańsk
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First isolation of polysaccharidic ulvans from the cell walls of freshwater algae
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Supercritical fluid extraction as a tool to valorize underexploited freshwater green algae
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Supercritical Algal Extracts: A Source of Biologically Active Compounds from Nature
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Algal-based system for removal of emerging pollutants from wastewater: A review
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Analysis and improvement attempt of prof. Alan Fowler’s negotiation game
PublicationThe main goal of the following article is to design an improved version of the negotiation game created by prof. Alan Fowler (Fowler, 1997). I have tried to achieve this by constructing four separate versions of the game which represent different approaches while preserving rules, chosen basic technical assumptions and the simplicity of the base game. Each version of the game is supposed to i.a. make it less obvious, create new...
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Have you heard about ALAN? Now, there is also ROLAN!
PublicationThis article examines the new ROLAN movement and points out why this might be the next big thing for lighting professionals.
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Metody udostępniania materiałów multimedialnych w sieciach LAN i WAN.
PublicationW referacie przedstawiono możliwości wzbogacania treści edukacyjnych dzięki wykorzystaniu technik multimedialnych. Uzupełnienie materiału edukacyjnego w postaci plików audio oraz wideo daje zupełnie nową jakość . Opisano jak stworzyć taki materiał, jaki jest potrzebny do realizacji oraz jak bardzo czasochłonny jest ten proces. Wnioski i spostrzeżenia zostały przedstawione na podstawie praktycznej realizacji wykładu dot. Systemu...
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Metody udostępniania materiałów multimedialnych w sieciach LAN I WAN.
PublicationWraz z rozpowszechnianiem usług szerokopasmowych zmniejsza się ograniczenie co do objętości oferowanych materiałów edukacyjnych udostępnianych w sieciach LAN i WAN. W referacie przedstawiono możliwości wzbogacenia treści edukacyjnych dzięki wykorzystaniu technik multimedialnych. Uzupełnienie materiału edukacyjnego w postaci plików audio i wideo daje zupełnie nową jakość. Opisano jak stworzyć taki materiał, jaki sprzęt jest potrzebny...
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Biosilica from sea water diatoms algae—electrochemical impedance spectroscopy study
PublicationHere, we report on an electrochemical impedance study of silica of organic origin as an active electrode material. The electrode material obtained from carbonized marine biomass containing nanoporous diatoms has been characterised by means of XRD, IR, SEM and EIS. Dif- ferent kinds of crystallographic phases of silica as a result of thermal treatment have been found. The electrode is electrochemically stable during subsequent cyclic...
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Isolation of chlorophylls and carotenoids from freshwater algae using different extraction methods
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Material Balance for Stepwise Extraction of Freshwater Algae Biomass with Heavy Metal Sequestration
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Operational algae bloom detection in the Baltic Sea using GIS and AVHRR data
PublicationDuring the blooming season, algal colonies can, in extreme cases, cover up to 200 000 square kilometres of the Baltic Sea water surface. Because the position and shape of the blooms may significantly change in very short time due to the influence of wind and waves, regular monitoring of the blooms' development is necessary. Currently, the desired monitoring frequency may only be achieved by means of remote sensing. The article...
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Diclofenac Alters the Cell Cycle Progression of the Green Alga Chlamydomonas reinhardtii
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Trentepohlialean Algae (Trentepohliales, Ulvophyceae) Show Preference to Selected Mycobiont Lineages in Lichen Symbioses
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