Wyniki wyszukiwania dla: FREE-LIVING BIRDS

• Effect of Microplastics Pollution on Hydrogen Production from Biomass: A Comprehensive Review

  Publikacja

  • M. Kaykhaii
  • Z. Honarmandrad
  • J. Gębicki

  - INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH - Rok 2023

  Hydrogen production from biomass and organic wastes is considered as a potential alternative energy source and is known as a clean and CO2-free fuel energy carrier. H2 is considered very promising among the other energy sources; therefore, the effective conversion of biomass and organic solid waste to this secondary energy source is urgently sought. As a result, it is of importance to assess the impact of the existence of microplastics...

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• FURTHER REMARKS ON THE SURFACE VIS IMPRESSA CAUSED BY A FLUID-SOLID CONTACT

  Publikacja

  • J. Badur
  • P. Ziółkowski

  - Rok 2013

  It is well-known that, nano-mechanics should take into account not only physical phenomena occuring within the bulk but, first of all, the physical phenomena appropriate for a surface of two materials contact. The huge volume density of internal surfaces as well countours lines located within the nanomaterial results in our interest in, apart from classical form of mass, momentum and entropy transport, those modes of transportation...

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• Automated Detection of Sleep Apnea and Hypopnea Events Based on Robust Airflow Envelope Tracking in the Presence of Breathing Artifacts. - [IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS]

  Publikacja

  • M. Ciołek
  • M. Niedźwiecki
  • S. Sieklicki
  • J. Drozdowski
  • J. Siebert

  - IEEE TRANSACTIONS ON INFORMATION TECHNOLOGY IN BIOMEDICINE - Rok 2015

  The paper presents a new approach to detection of apnea/hypopnea events, in the presence of artifacts and breathing irregularities, from a single channel airflow record. The proposed algorithm, based on a robust envelope detector , identifies segments of signal affected by a high amplitude mo d- ulation corresponding to apnea/hypopnea events. It is show n that a robust airflow envelope - free of breathing artifacts - improves effectiveness...

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• Interactions of fish gelatin and chitosan in uncrosslinked and crosslinked with EDC films: FT-IR study

  Publikacja

  • H. Staroszczyk
  • K. Sztuka
  • J. Wolska
  • A. Wojtasz-Pająk
  • I. Kołodziejska

  - SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY - Rok 2014

  Films based on fish gelatin, chitosan and blend of fish gelatin and chitosan before and after cross-linking with EDC have been characterized by FT-IR spectroscopy. The FT-IR spectrum of fish gelatin film showed the characteristic amide I, amide II and amide III bands, and the FT-IR spectrum of chitosan film confirmed that the polymer was only a partially deacetylated product, and included CH3-C=O and NH2 groups, the latter both...

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• Cure kinetics of epoxy/MWCNTs nanocomposites: Isothermal calorimetric and rheological analyses

  Publikacja

  • P. Vijayan
  • D. Puglia
  • H. Rastin
  • M. Saeb
  • B. Shojaei
  • K. Formela

  - PROGRESS IN ORGANIC COATINGS - Rok 2017

  A combinatorial route has been applied in cure kinetics study of epoxy nanocomposites containing multi-walled carbon nanotubes (MWCNTs) based on differential scanning calorimetry and rheokinetic analyses under isothermal conditions. Pristine and amine-modified MWCNTs bearing primary and secondary amines were used at very low concentrations (0.1 and 0.3 wt.% based on epoxy weight). Model-free and model-fitting methods were applied...

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• Analysis of hydrodynamic pressure fields of motorboats and pontoons in shallow water

  Publikacja

  • J. Bielański

  - HYDROACOUSTICS - Rok 2016

  The article presents the results of calculations of the pressure fields generated by a motorboat at the bottom of a shallow sea. Calculations were made using the boundary elements method (BEM), arranged on the surface of the boat and the bottom of the sea. This method is described in [3], and applied on a free surface linearized boundary condition. Results for four different lengths of motorboats, from 2.85 m to 9.5 m, sea depth...

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• Guided ultrasonic waves for detection of debonding in bars partially embedded in grout

  Publikacja

  • B. Zima
  • M. Rucka

  - CONSTRUCTION AND BUILDING MATERIALS - Rok 2018

  This paper deals with theoretical, numerical and experimental investigations of guided wave propagation in multilayered cylindrical bars with pre-existing debonding. The research focuses on a complex description of the nature of the wave phenomena occurring in a debonded specimen with a special emphasis on the influence of the location of damage on the wave conversion and diffraction. Experimental non-destructive and destructive...

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• Comparative evaluation of different methods for determining phytochemicals and antioxidant activity in products containing betalains - Verification of beetroot samples

  Publikacja

  • B. Kusznierewicz
  • M. Mróz
  • I. Koss-Mikołajczyk
  • J. Namieśnik

  - FOOD CHEMISTRY - Rok 2021

  This study presents methods that can be used to assess the health quality of products containing betalains. The paper compares and verifies data on the phytochemical composition of three different pigmented beetroot cultivars using spectrophotometric, HPLC-DAD, HPTLC and LC-Q-Orbitrap-HRMS techniques. Additionally, we compared the total antioxidant activity in both the cell-free and cellular systems. Betalain contribution to antioxidant...

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• Robust-adaptive dynamic programming-based time-delay control of autonomous ships under stochastic disturbances using an actor-critic learning algorithm

  Publikacja

  • H. N. Esfahani
  • R. Szłapczyński

  - JOURNAL OF MARINE SCIENCE AND TECHNOLOGY - Rok 2021

  This paper proposes a hybrid robust-adaptive learning-based control scheme based on Approximate Dynamic Programming (ADP) for the tracking control of autonomous ship maneuvering. We adopt a Time-Delay Control (TDC) approach, which is known as a simple, practical, model free and roughly robust strategy, combined with an Actor-Critic Approximate Dynamic Programming (ACADP) algorithm as an adaptive part in the proposed hybrid control...

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• Nuclear Magnetic Resonance Metabolomics Reveals Qualitative and Quantitative Differences in the Composition of Human Breast Milk and Milk Formulas

  Publikacja

  • D. Garwolińska
  • W. Hewelt-Belka
  • A. Kot-Wasik
  • U. K. Sundekilde

  - Nutrients - Rok 2020

  Commercial formula milk (FM) constitutes the best alternative to fulfill the nutritional requirements of infants when breastfeeding is precluded. Here, we present the comparative study of polar metabolite composition of human breast milk (HBM) and seven different brands of FM by nuclear magnetic resonance spectroscopy. The results of the multivariate data analysis exposed qualitative and quantitative differences between HBM and...

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• Design and Characterization of a Planar Structure Wideband Millimeter-Wave Antenna with Wide Beamwidth for Wearable off-body Communication Applications

  Publikacja

  • U. Ubaid
  • S. Kozieł
  • A. Pietrenko-Dąbrowska

  - IEEE Antennas and Wireless Propagation Letters - Rok 2022

  This letter presents the design of a planar single-layer wideband antenna featuring wide beamwidth has well as high and stable in-band gain. The proposed antenna is a planar monopole fed by a bottom-grounded coplanar waveguide to realize wide beamwidth in both the xz- and yz-planes. Simultaneous optimization of all adjustable antenna parameters, carried out at the full-wave electromagnetic simulation level. The constructive interference...

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• On dynamic modeling of piezomagnetic/flexomagnetic microstructures based on Lord–Shulman thermoelastic model

  Publikacja

  • M. Malikan
  • V. Eremeev

  - ARCHIVE OF APPLIED MECHANICS - Rok 2023

  We study a time-dependent thermoelastic coupling within free vibrations of piezomagnetic (PM) microbeams considering the flexomagnetic (FM) phenomenon. The flexomagneticity relates to a magnetic field with a gradient of strains. Here, we use the generalized thermoelasticity theory of Lord–Shulman to analyze the interaction between elastic deformation and thermal conductivity. The uniform magnetic field is permeated in line with...

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• The CON−H…+NH2 Blue-Shifting H-Bond Stabilizing Effect on Z Secondary Amides and Cyclic System Conformational Rearrangement through an Alkylamine-Chain Migration Pathway

  Publikacja

  • J. Spychala

  - Journal of Chemistry - Rok 2022

  The paper is focusing on the amide linkage exceptional properties and usage of chemistry (conformational rearrangement, geometrical stereoisomers, spectroscopic blue shift phenomenon, protonation and deprotonation reactions, synthetic scope, and mechanistic implications). Hydrogen-bond-stabilized acylation reactions of a diamine with thioamides or nitriles reveal how substituents influence both the outcome of stereoselectivity...

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• Application of Shape Memory Alloys in Pipeline Couplings for Shipbuilding

  Publikacja

  • L. Matuszewski

  - Polish Maritime Research - Rok 2020

  The aim of the study is to analyse shape memory alloy (SMA) pipeline joints in limited space applications for all kinds of ships. Generally, the space available in various areas on ships is strictly limited and service works usually meet many obstacles. If we consider a pipeline, the flange joints always require a larger free space around the pipe than the pipe alone. A simultaneous problem can occur with the propeller shaft line...

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• Contamination of Arctic Lakes with Persistent Toxic PAH Substances in the NW Part of Wedel Jarlsberg Land (Bellsund, Svalbard)

  Publikacja

  • S. Lehmann-konera
  • R. Marek
  • Ł. Franczak
  • Ż. Polkowska

  - Water - Rok 2020

  The expansion of glacier‐free areas in polar regions favours the appearance of lakes in the non‐glaciated parts of glacier basins. This paper presents the differentiation of organic compound concentrations in fifty‐four Arctic lakes collected in four locations (Logne Valley, in the vicinity of the Scott, Renard and Antonia glaciers). We cover meteorological measurements, chemical analysis of sixteen dioxin‐like compounds (Polycyclic...

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• The roadway bridge over Vistula River in Plock - design and construction.

  Publikacja

  • N. Hajdin
  • B. Stipanić
  • J. Krawczyk
  • K. Wąchalski

  - Rok 2004

  The paper presents the design and construction works of the Roadway Bridge over Vistula River in Plock (Poland), designed by first two paper authors as being the winners of international competition for design oraganized by Polish association of the bridge engineers. Total length of the bridge is 1,200 m; 615 m is the length of main bridge part over the Vistula riverbed, and 585 m is the length of access bridge part over river...

• Hanna Gaweł

  Osoby

  Hanna Gawel is a Doctoral Student of the Doctoral School in the Social Sciences in the discipline of Social Communication and Media at Jagiellonian University. Hanna’s research focuses on knowledge, information management and the influence of well-served information in different formats on society.  She is currently writing a PhD thesis about how information pollutants affect information regarding air quality in Polish metropolises....

• Diagnostyka łożysk silnika indukcyjnego na podstawie prądu zasilającego przy użyciu sztucznych sieci neuronowych

  Publikacja

  • T. Ciszewski
  • L. Swędrowski

  - Rok 2013

  W artykule zawarto wyniki badań dotyczące diagnostyki łożysk silnika indukcyjnego na podstawie pomiarów prądu zasilającego z wyko-rzystaniem sztucznych sieci neuronowych. Zaprezentowano wyniki uczenia sieci oraz rezultaty testów przeprowadzonych na danych spoza zbioru uczącego. Badania wykonane zostały na obiektach z celowo wprowadzonymi uszkodzeniami łożysk. Przedstawiona nowa koncepcja zakłada użycie zestawu sieci neuronowych...

• DIAGNOSTYKA ŁOŻYSK SILNIKA INDUKCYJNEGO PRZY UŻYCIU POMIARU PRĄDU ZASILAJĄCEGO I WIBRACJI

  Publikacja

  • T. Ciszewski

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Rok 2013

  W artykule przedstawione zostały wyniki badań diagnostycznych łożysk silnika indukcyjnego z zastosowaniem metody pomiaru prądu zasilającego oraz wibracji. Poruszone zostały problemy dotyczące poszukiwania nowej metody opartej na pomiarze i analizie prądu, która w znacznym stopniu ułatwiłaby szybkie i sprawne znalezienie uszkodzenia w maszynie, bez konieczności bezpośredniego dostępu do badanego urządzenia. Zaprezentowano rezultaty...

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• Hydrauliczna wiarygodność wyników pomiarów terenowych stosowanych do identyfikacji oporności hydraulicznej przewymiarowanych sieci wodociągowych

  Publikacja

  • M. Kulbik

  - Instal - Rok 2013

  Publikacja zawiera zalecenia metodyczne dotyczące identyfikacji oporności hydraulicznej w przewymiarowanych sieciach wodociągowych na tle spotykanych nieprawidłowości. Krytycznie oceniono wyniki pomiarów terenowych, które zastosowano do tarowania komputerowych modeli przepływów (KMP) pomimo, że nie spełniały kryterium hydraulicznej wiarygodności. Ponadto zaproponowano spadek hydrauliczny jako obiektywny wskaźnik wiarygodności pomiarów,...

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• Data on bicycle traffic in Gdansk paired with weather and air quality data

  Dane Badawcze

  • A. Romanowska
  • K. Birr

  The file contains data on bicycle traffic registered by counting stations loacted in Gdańsk in the years 2013-2020. The data are paired with weather and air quality data from Gdansk collected for the same period. The data is described below:

• Data on bicycle traffic in Lodz (Poland) paired with weather and air quality data

  Dane Badawcze

  open access

  • A. Romanowska
  • K. Birr

  The file contains data on bicycle traffic registered by counting stations loacted in Lodz in the years 2016-2019. The data are paired with weather and air quality data from Lodz collected for the same period. The data is described below:

• The statistic properties of rms voltage and frequency in the ship's electrical power system

  Dane Badawcze

  open access

  • B. Pałczyńska

  The dataset is a part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the results of a statistical analysis of rms voltage and frequency in the ship's electrical power system. The following statistical...

• Mercury concentrations in Antarctic zooplankton with a focus on the krill species, Euphausia superba

  Publikacja

  • E. Korejwo
  • A. Panasiuk
  • J. Wawrzynek-Borejko
  • A. Jędruch
  • J. Bełdowski
  • A. Paturej
  • M. Bełdowska

  - SCIENCE OF THE TOTAL ENVIRONMENT - Rok 2023

  The Antarctic is the most isolated region in the world; nevertheless, it has not avoided the negative impact of human activity, including the inflow of toxic mercury (Hg). Hg deposited in the Antarctic marine environment can be bioavailable and accumulate in the food web, reaching elevated concentrations in high-trophic-level biota, especially if methylated. Zooplankton, together with 

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• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [5240730032367291]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [5240730032365601]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [52407300323681]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [524073003236571]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [5240730032379311]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [5240730032362571]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [5240730032373661]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [5240730032375381]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [5240730032361921]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [524073003236541]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [524073003236271]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [5240730032374881]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [5240730032362841]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Carcinoma in situ of cervix uteri - Female, 64 - Tissue image [524073003236601]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI 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.

• Potential energy surfaces of the low-lying electronic states of the Li+LiCs system

  Dane Badawcze

  open access

  • T. Kilich
  • P. Jasik
  • J. Kozicki
  • J. Sienkiewicz

  This data presents potential energy surfaces of Li atom interacting with LiCs dimer for the ground and first excited state. They were calculated using effective core potentials and MRCI method and include relativistic effects. The interatomic distance in the dimer is kept constant and equal to experimental value of 6.931704423 bohrs (3.6681 A). Energy...

• Parallel Implementation of the Discrete Green's Function Formulation of the FDTD Method on a Multicore Central Processing Unit

  Publikacja

  • T. Stefański
  • S. Orłowski
  • B. Reichel

  - RADIOENGINEERING - Rok 2014

  Parallel implementation of the discrete Green's function formulation of the finite-difference time-domain (DGF-FDTD) method was developed on a multicore central processing unit. DGF-FDTD avoids computations of the electromagnetic field in free-space cells and does not require domain termination by absorbing boundary conditions. Computed DGF-FDTD solutions are compatible with the FDTD grid enabling the perfect hybridization of FDTD...

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• How to provide fair service for V2I communications in VANETs?

  Publikacja

  • M. Hoeft
  • J. Rak

  - Ad Hoc Networks - Rok 2016

  In this paper, we focus on fairness issues of Vehicle-to-Infrastructure (V2I) communications. In particular, we show that under a common technique of selection of RSUs by OBUs based on the received signal strength, a vast variability of a number of OBUs connected to RSUs can be observed leading to inefficient/unfair service provided by RSUs. To overcome this problem, we propose an algorithm for RSU selection called RSEL to obtain...

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• MCSA with Normalized Triple Covariance as a bearings diagnostic indicator in an induction motor

  Publikacja

  • T. Ciszewski
  • L. Gelman
  • L. Swędrowski

  - Rok 2016

  Statistics of bearing failures in induction motors indicate, that they constitute more than 40% of IM damage, therefore bearing diagnosis is very important. Vibration methods for bearing diagnostics have one major disadvantage - they require the availability of the machine for sensors installation. This is the reason for seeking new methods based on motor supply current analysis. Diagnosis of induction motors, conducted remotely...

• Assessment of metal removal in a surface flow constructed wetland treating landfill leachate

  Publikacja

  • E. Wojciechowska

  - POLISH JOURNAL OF ENVIRONMENTAL STUDIES - Rok 2010

  The study concerns heavy metal retention and transformation processes in a free water surface constructed wetland treating landfill leachate in a temperate climate. The total effectiveness of heavy metals removal in the analyzed CW was evaluated basing on heavy metals inflow and outflow concentrations. The concentrations of eight heavy metals (Fe, Mn, Zn, Pb, Ni, Cu, Cr, Cd) in landfill leachate (LL) and sediments were measured....

• Unsupervised machine-learning classification of electrophysiologically active electrodes during human cognitive task performance

  Publikacja

  • K. Saboo
  • Y. Varatharajah
  • B. M. Berry
  • V. Kremen
  • M. R. Sperling
  • K. A. Davis
  • B. C. Jobst
  • R. E. Gross
  • B. C. Lega
  • S. A. Sheth... i 3 innych

  - Scientific Reports - Rok 2019

  Identification of active electrodes that record task-relevant neurophysiological activity is needed for clinical and industrial applications as well as for investigating brain functions. We developed an unsupervised, fully automated approach to classify active electrodes showing event-related intracranial EEG (iEEG) responses from 115 patients performing a free recall verbal memory task. Our approach employed new interpretable...

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• Pupil size reflects successful encoding and recall of memory in humans

  Publikacja

  • M. T. Kucewicz
  • J. Dolezal
  • V. Kremen
  • B. M. Berry
  • L. R. Miller
  • A. L. Magee
  • V. Fabian
  • G. A. Worrell

  - Scientific Reports - Rok 2018

  Pupil responses are known to indicate brain processes involved in perception, attention and decision-making. They can provide an accessible biomarker of human memory performance and cognitive states in general. Here we investigated changes in the pupil size during encoding and recall of word lists. Consistent patterns in the pupil response were found across and within distinct phases of the free recall task. The pupil was most...

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• ENERGY EFFICIENT SMALL INLAND PASSENGER SHUTTLE FERRY WITH HYBRID PROPULSION - CONCEPT DESIGN, CALCULATIONS AND MODEL TESTS

  Publikacja

  • M. Kunicka
  • W. Litwin

  - Polish Maritime Research - Rok 2019

  In recent years, there has been a significant development in “green” and energy efficient propulsion systems, which fits into the general trend of environmentally friendly “green shipping”. The pursued goal is to construct a safe passenger ship that is low in energy demand and equipped with a highly energy efficient, emission-free propulsion system. The paper presents main problems encountered by designers of a small, hybrid-powered...

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• Risks associated with the transportation of hazardous materials on public roads

  Publikacja

  • E. Mieloszyk
  • A. Milewska

  - MATEC Web of Conferences - Rok 2018

  A significant proportion of the transport of hazardous materials is carried out on public roads. Therefore, the safety of such transport is becoming increasingly important. Every catastrophe involving hazardous materials has a negative impact on direct road users and the surrounding environment, becauses its range is mostly not local. It follows that in the event of such catastrophe, its effects should be minimized. This is possible...

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• Development of a Control System for an Autonomous Seaplane

  Publikacja

  • K. Lipiński
  • M. K. Gerigk
  • M. Chodnicki

  - Rok 2024

  Self-driving vehicles, also branded as driverless vehicles, autonomous vehicles, or robotic vehicles, are transport systems that can operate with a reduced human impact or even with any human input at all. The content of the present paper is limited to three types of potential applications: Unmanned Surface Vehicles (USVs), Autonomous Underwater Vehicles (AUVs) and Unmanned Aerial Vehicles (UAV). We set our particular focus on...

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• Enhancing the Separation Performance of Chitosan Membranes Through the Blending with Deep Eutectic Solvents for the Pervaporation of Polar/Non-Polar Organic Mixtures

  Publikacja

  • F. Galiano
  • A. Msahel
  • F. Russo
  • N. Rovella
  • A. Policicchio
  • S. B. Hamouda
  • A. Hafiane
  • R. Castro Munoz
  • A. Figoli

  - Membranes - Rok 2024

  This study explores the development of chitosan-based membranes blended with three distinct deep eutectic solvents (DESs) for the pervaporation separation of methanol and methyl tert-butyl ether. DESs were selected for their eco-friendly properties and their potential to enhance membrane performance. The chitosan (CS) membranes, both crosslinked and non-crosslinked, were characterized in terms of morphology, chemical composition,...

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• A review on homogeneous and heterogeneous catalytic microalgal lipid extraction and transesterification for biofuel production

  Publikacja

  • V. K. Ponnumsamy
  • H. Al-Hazmi
  • S. Shobana
  • J. Dharmaraja
  • D. A. Jadhav
  • R. B. J
  • G. Piechota
  • B. Igliński
  • V. Kumar
  • A. Bhatnagar... i 2 innych

  - CHINESE JOURNAL OF CATALYSIS - Rok 2024

  Extracting lipids from microalgal biomass presents significant potential as a cost-effective approach for clean energy generation. This can be achieved through the chemical conversion of lipids to produce fatty acid methyl esters via transesterification. The extraction mainly involves free fatty acids, phospholipids, and triglycerides, and requires less energy, making it an attractive option for satisfying the growing demand for...

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