Filters
total: 5287
filtered: 2163
-
Catalog
- Publications 2163 available results
- Journals 42 available results
- Conferences 3 available results
- Publishing Houses 2 available results
- People 337 available results
- Inventions 3 available results
- Projects 55 available results
- Laboratories 2 available results
- Research Teams 9 available results
- Research Equipment 24 available results
- e-Learning Courses 533 available results
- Events 84 available results
- Open Research Data 2030 available results
Chosen catalog filters
displaying 1000 best results Help
Search results for: STEROWNIKI PROGRAMOWALNE PLC/PAC
-
Improved mechanical properties of W-Zr-B coatings deposited by hybrid RF magnetron – PLD method
Publication -
The optimisation of analytical parameters for routine profiling of antioxidants in complex mixture by HPLC coupled post-column derivatisation
PublicationIntroduction: The wide application of natural and artificial antioxidants in food, cosmetic and pharmaceutical industry as well as the recognition of the importance of food antioxidants for supporting human health created demand for reliable and industrially applicable methods of determining antioxidative activity. This requirement can be fullfilled with the recently proposed HPLC-post-column derivatisation approach enabling the...
-
HPLC-coupled post-column derivatization aims at characterization and monitoring of plant phytocomplexes, not at assessing their biological properties
PublicationTwo recent decades of research identified a number of environmental factors as well as mechanisms leading to pathogenic processes in the human organism. A common factor in pathogenesis of many diseases is oxidative stress, a condition in which the production of damaging reactive oxygen species (ROS), present in the body as an inevitable consequence of respiration and exacerbated by the inflammatory response and by exogenous factors...
-
HPLC–MS/MS method for dexmedetomidine quantification with Design of Experiments approach: application to pediatric pharmacokinetic study
Publication -
Rotational molding of polylactide (PLA) composites filled with copper slag as a waste filler from metallurgical industry
PublicationThe research work carried out so far indicates the ever wider possibilities and demand for shaping composite products in the rotational molding technology. This trend was the main reason to use waste-based filler from the metallurgical process as a filler for manufacturing polylactide (PLA)-based remolded composites. Copper slag (CS) was introduced in the single-step processing method to PLA matrix at 5, 10, 20, and 35 wt%. The...
-
Characterization and Filtration Efficiency of Sustainable PLA Fibers Obtained via a Hybrid 3D-Printed/Electrospinning Technique
PublicationThe enormous world demand for personal protective equipment to face the current SARS-CoV-2 epidemic has revealed two main weaknesses. On one hand, centralized production led to an initial shortage of respirators; on the other hand, the world demand for single-use equipment has had a direct and inevitable effect on the environment. Polylactide (PLA) is a biodegradable, biocompatible, and renewable thermoplastic polyester, mainly...
-
Czynniki warunkujące wybór standardowej wysokości modernizowanych peronów osobowych na sieci PKP PLK S.A.
PublicationPrzedstawiono czynniki decydujące o doborze odpowiedniej wysokości peronów na modernizowanych liniach kolejowych w Polsce. Przedstawione czynniki uwzględniają najważniejsze - zdaniem Autorów - zagadnienia, jakimi są obowiązujące normatywy dotyczące infrastruktury i taboru, względy ergonomiczne i ekonomiczne oraz europejskie standardy budowy peronów osobowych.
-
Multiple Reprocessing of Conductive PLA 3D-Printing Filament: Rheology, Morphology, Thermal and Electrochemical Properties Assessment
PublicationAdditive manufacturing technologies are gaining more and more attention, resulting in the development or modification of 3D printing techniques and dedicated materials. On the other hand, economic and ecological aspects force the industry to develop material recycling strategies. In this work, the multiple reprocessing of a commercially available PLA conductive composite with carbon black filler, dedicated to 3D printing, was investigated....
-
The overview of reactors used for the production of precipitated calcium carbonate via carbonation route
PublicationCarbonation is one of the methods for the production of precipitated calcium carbonate (PCC) on the industrial scale. A gaseous CO2 is used as a reagent in this process. The hydrodynamic conditions gener-ated in the reactor affect the course of the process and the characteristics of the precipitated calcium carbonate particles. This paper discusses the construction of standard reactors and new proposed con-struction used for the...
-
Implementation of Hierarchical Control of Drinking Water Supply System
PublicationThe paper presents the outline of the didactical project of a complex computer controlled system realized by the first degree students of the Automatics and Robotics on the Faculty of Electrical and Control Engineering (FoEaCE) in Gdansk University of Technology (GUT). The synthesis, implementation and analysis of a multilayer hierarchical control system for drinking water supply system (DWSS) are main topics of that project. The...
-
Practical Method for the Absolute Configuration Assignment of tert/tert 1,2-Diols Using Their Complexes with Mo2(OAc)4
Publication -
A comparison of McGrath MAC® and standard direct laryngoscopy in simulated immobilized cervical spine pediatric intubation: a manikin study
Publication -
<title>Control and monitoring of data acquisition and trigger system (TRIDAQ) for backing calorimeter (BAC) of the ZEUS experiment</title>
Publication -
Preliminary study on suitability of ionic liquids as potential passive-sampling media of polyaromatic-hydrocarbon (PAH) analyses in water
Publication -
Ageing of Society — Local Disparities. Classification of the Pomorskie Voivodship Communes According to the Pace and Progress of Local Communities’ Ageing
PublicationThe article deals with the issues of local disparities in the field of advancement and pace of demographic ageing. The subjects of the research were communes of the Pomorskie Voivodship. The purpose of the article — i.e., diagnosing and assessing the progress and pace of ageing of local communities in all 123 communes of the Pomorskie Voivodship, was achieved using a combination of traditional measures of ageing: age factor,...
-
Zróżnicowanie płac kobiet i mężczyzn zatrudnionych jako pracownicy naukowo-dydaktyczni w publicznych szkołach wyższych
PublicationW artykule przedstawiono wyniki analizy zróżnicowania płac kobiet i mężczyzn zatrudnionych na stanowiskach naukowo-dydaktycznych w publicznych szkołach wyższych. W analizie wykorzystano dane uzyskane z ogólnopolskiej ankiety. Rezultaty badań potwierdzają, że kobiety zarabiają średnio mniej niż mężczyźni, jest to jednak wynikiem różnic w zajmowanych stanowiskach, a nie konsekwencją dyskryminacji płacowej.
-
Contamination of Arctic Lakes with Persistent Toxic PAH Substances in the NW Part of Wedel Jarlsberg Land (Bellsund, Svalbard)
PublicationThe 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...
-
Mechanical and structural behavior of high-strength low-alloy steel pad welded by underwater wet welding conditions
PublicationThe aim of the paper was to determine the metallurgical and mechanical behaviors of a high-strength low-alloy (HSLA) steel pad-welded specimen used in the structures of industrial and naval parts. Then to predict the metallurgical consequences (nature of the phases present) and the mechanical properties (hardness and impact strength) of the pad-welded steel obtained by underwater wet welding with different heat input values. The...
-
Efficient FPGA Implementation of an RFIR Filter Using the APC–OMS Technique with WTM for High-Throughput Signal Processing
PublicationNowadays, Finite Impulse Response (FIR) filters are used to change the attributes of a signal in the time or frequency domain. Among FIR filters, a reconfigurable filter has the advantage of changing the coefficient in real-time, while performing the operation. In this paper, the Anti-Symmetric Product Coding (APC) and Odd Multiple Storage (OMS) modules are utilized to implement the reconfigurable FIR filter (RFIR–APC–OMS). Herein,...
-
Low-cost data-driven modelling of microwave components using domain confinement and PCA-based dimensionality reduction
PublicationFast data-driven surrogate models can be employed as replacements of computationally demanding full-wave electromagnetic simulations to facilitate the microwave design procedures. Unfortunately, practical application of surrogate modelling is often hindered by the curse of dimensionality and/or considerable nonlinearity of the component characteristics. This paper proposes a simple yet reliable approach to cost-efficient modelling...
-
Proportional-derivative and Model-based Controllers for Control of a Variable Mass Manipulator
PublicationW artykule prezentowano wyniki analiza numeryczna dynamiki manipulatora o zmiennej masie. W skład manipulatora wchodzą jedynie członu i przeguby obrotowe. Ładowność chwytaka jest traktowana jako jedyny element o zmiennej masie. Podobnie jak w przypadku innych manipulatorów wyposażonych w przeguby obrotowe, parametry jego dynamika zależą od aktualnego ustawienia. Gdy przemieszczenia obejmują większy zakres roboczy, w równaniach...
-
AC Microgrid Control and Management Strategies: Evaluation and Review
Publication -
Destructive impact of PWM inverters on traction AC motors
PublicationThe electric traction drives with an AC motor fed by a frequency converter are used more and more often nowadays. The most significant side effects, of a converter's output voltage forming PWM method for AC motor windings, are steep voltage changes, which can initiate several destructive phenomena. The paper presents the adverse influence of a converter common mode voltage on the motor windings's increased voltage exposure and...
-
Multiscalar Model Based Control Systems for AC Machines
PublicationContents of the Chapter: Nonlinear transformations and feedback linearization. Models of the squirrel cage induction machine: Vector model of the squirrel cage induction machine. Multiscalar models of the squirrel cage induction machine.Feedback linearization of multiscalar models of the induction motor.Models of the double fed induction machine: Vector model of the double fed induction machine. Multiscalar model of the...
-
ZAS!pa. Zaspiańska Aktywna Społeczność! | projekty architektoniczne.
PublicationWystawa zawierałą wybrane prace studentów zrealizowane w ramach przedmiotu ‘Architectural Project’ (prowadzący: Agnieszka Kurkowska, współpraca: Bahaa Bou Kalfouni). Tematycznie projekty obejmowały trzy wybrane zadania: czasowy obiekt mieszkalny dla rezydenta/ artysty, przestrzeń spotkań, rozbudowę istniejącej siedziby Plamy. Dodatkowo przygotowano szeroko dostępną wersję wystawy on-line w przestrzeni wirtualnej.
-
High Performance Control of AC Drives with Matlab/ Simulink
PublicationExplore this indispensable update to a popular graduate text on electric drive techniques and the latest converters used in industry. The Second Edition of High Performance Control of AC Drives with Matlab®/Simulink delivers an updated and thorough overview of topics central to the understanding of AC motor drive systems. The book includes new material on medium voltage drives, covering state-of-the-art technologies and challenges...
-
Superconductivity and itinerant ferromagnetism of Y9Co7 probed by ac susceptibility
PublicationThe ac magnetic susceptibility of a single crystal sample of the compound Y9Co7 has been measured in applied dc fields ranging from 0–6.7 kOe by utilizing a tunnel diode resonator circuit. In agreement with previous measurements on this material, a superconducting transition has been observed to occur at TSC ≈ 2.5 K. A broad maximum has been observed in the zero field susceptibility measurements from 2.5 K < T < 8 K and its behavior...
-
Variable Speed AC Drives with Inverter Output Filters
PublicationThe advance of variable speed drives systems (VSDs) engineering highlights the need of specific technical guidance provision by electrical machines and drives manufacturers, so that such applications can be properly designed to present advantages in terms of both energy efficiency and expenditure. This book presents problems and solutions related to inverter-fed electrical motors. Practically orientated, the book describes the...
-
Obtaining and Characterization of the PLA/Chitosan Foams with Antimicrobial Properties Achieved by the Emulsification Combined with the Dissolution of Chitosan by CO2 Saturation
PublicationA new method of obtaining functional foam material has been proposed. The materials were created by mixing the poly lactic acid (PLA) solution in chloroform, chitosan (CS) dissolved in water saturated with CO2 and polyethylene glycol (PEG), and freeze-dried for removal of the solvents. The composite foams were characterized for their structural (SEM, FT-IR, density, porosity), thermal (DSC), functional (hardness, elasticity, swelling...
-
Impact of Cluster Zone Leaf Removal on Grapes cv. Regent Polyphenol Content by the UPLC-PDA/MS Method
Publication -
HPLC–DAD Analysis, Antimicrobial and Antioxidant Properties of Aromatic Herb Melissa officinalis L., Aerial Parts Extracts
Publication -
Chemically Bonded Silica Stationary Phases: Synthesis, Physicochemical Characterization, and Molecular Mechanism of Reversed-Phase HPLC Retention
Publication -
Determination of fluoride as fluorosilane derivative using reversed-phase HPLC with UV detection for determination of total organic fluorine
Publication -
Process control of leakages in refinery reforming plant by means of Normal Phase High Performance Liquid Chromatography (HPLC)
PublicationPraca dotyczy zbadania możliwości, opracowania nowej procedury badawczej oraz dokonania oznaczeń ¬m-krezolu w strumieniu produktu z procesu reformingu katalitycznego techniką wysokosprawnej chromatografii cieczowej w układzie faz normalnych, z detektorem spektrofotometrycznym typu DAD (NP-HPLC-UV-VIS/DAD). Opracowana procedura stanowi alternatywę dla innych procedur wykorzystujących klasyczne techniki analityczne, albo wykorzystanie...
-
Układy pomiarowe do identyfikacji obciążenia i wyznaczania mocy w generatorze LLC do nagrzewania indukcyjnego
Publication -
The loss of essential oil components induced by the Purge Time in the Pressurized Liquid Extraction (PLE) procedure of Cupressus sempervirens
Publication -
Rozdzielanie, identyfikacja i oznaczanie składników osadu z produkcji olejów jadalnych w warunkach NP-HPLC
PublicationPraca dotyczy badań nad wykorzystaniem rozdzielania w warunkach adsorpcyjnej w normalnych układach faz wysokosprawnej kolumnowej chromatografii cieczowej (NP - HPLC) w celu wyjaśnienia składu uciążliwego osadu tworzącego się w płytowym wymienniku ciepła jako jednego z modułów systemu przeznaczonego do odzysku nieskroplonego heksanu po ekstrakcji oleju z nasion. W badaniach wykorzystano spektrofotometrię w zakresie...
-
Obtaining and Characterization of the PLA/Chitosan Foams with Antimicrobial Properties Achieved by the Emulsification Combined with the Dissolution of Chitosan by CO2 Saturation
PublicationA new method of obtaining functional foam material has been proposed. The materials were created by mixing the poly lactic acid (PLA) solution in chloroform, chitosan (CS) dissolved in water saturated with CO2 and polyethylene glycol (PEG), and freeze-dried for removal of the solvents. The composite foams were characterized for their structural (SEM, FT-IR, density, porosity), thermal (DSC), functional (hardness, elasticity, swelling...
-
The Production Possibility of the Antimicrobial Filaments by Co-Extrusion of the PLA Pellet with Chitosan Powder for FDM 3D Printing Technology
PublicationThe last decades have witnessed a major advancement and development in three-dimensional (3D) printing technology. In the future, the trend’s utilization of 3D printing is expected to play an important role in the biomedical field. This work presents co-extrusion of the polylactic acid (PLA), its derivatives (sPLA), and chitosan with the aim of achieving filaments for printing 3D objects, such as biomedical tools or implants. The...
-
Study of the Effect of Filling Thermoplastic Medical Polyurethane with PVA, PLA or Diatomite on the Relaxation Times Distributions of 1H NMR
PublicationIn this work, to characterize the mobility of diferent sections of the macromole‑ cules of polyurethane (PUR), polyvinyl alcohol (PVA), and polylactic acid (PLA), as well as the density of crosslinks of the polymer chains when using fllers, we used the distributions of spin–lattice and spin–spin relaxation times for the protons. It is shown that the rigidity of the thermoplastic polymers depends on the sizes of the granules of...
-
Pomiary interkonektów typu RLC na pakietach elektronicznych z wykorzystaniem magistrali mieszanej sygnałowo IEEE 1149.4
PublicationPrzedstawiono wyniki badań nad wykorzystaniem magistrali testującej mieszanej sygnałowo zgodnej ze standardem IEEE 1149.4 do pomiarów interkonektów typu RLC na pakietach układów elektronicznych. Do badań użyto pierwszych komercyjnych układów scalonych STA400 wyposażonych w magistralę, opracowanych w firmie National Semoconductor i Logic Vision. Pomiary przeprowadzano metodami proponowanymi w normie IEEE 1149.4 oraz nowoopracowanymi...
-
Zasoby i eksperymenty w sieci PL-LABv6
PublicationW pracy przedstawiono strukturę, budowę i dostępne zasoby oraz eksperymenty przeprowadzane w sieci badawczej PL-LABv6 dla protokołu IPv6.
-
Determination of biogenic amines in beers by LC-MS/MS
PublicationAnalysis of biogenic amines in beers was carried out by HPLC-MS/MS after their derivatization with p-toluenesulfonyl chloride (tosyl chloride). The developed method has been applied for analysis of eighteen biogenic amines in twelve samples of different kind of beers (Lager, Strong Lager, Schwarzbier, Weizenbier, Pils, nonalcoholic Pils, Stout). The method is sensitive and the results precise for majority of the analytes.
-
Zasoby i eksperymenty w sieci PL-LABv6
PublicationW artykule przedstawiona została sieć PL-LABv6 wraz z zasobami sprzętowymi oraz usługami sieciowymi i aplikacjami. Celem artykułu jest zaznajomienie czytelnika ze specyfikacją sieci widzianą z perspektywy użytkownika-badacza, które nie będąc uczestnikiem projektu IIP, chciałby wykorzystać sieci PL-LABv6 do przeprowadzenia własnych badań i eksperymentów.
-
Determination of impurities in pharmaceutical products using LC-MS
PublicationPharmaceutical products can be contaminated by residues of solvents, reagents (used for the synthesis) or degradation products. Impurities in drug may pose a risk to human health and life, therefore analysis and identification of impurities in pharmaceutical products is veryimportant and inevitable.High performance liquid chromatography coupled with mass spectrometry (MS) is very useful technique for identification impurities in...
-
Ogólna struktura filtrów Gm-LC czasu ciągłego.
PublicationW pracy przedstawiono ogólny model filtrów Gm-LC czasu ciągłego oraz jego opis macierzowy. Wykazano, że dowolny filtr aktywny tej klasy zarówno trybu napięciowego jak i prądowego jest szczególnym przypadkiem opracowanej struktury. Przedstawione rozważania teoretyczne zilustrowano reprezentatywnym przykładem dolnoprzepustowego układu eliptycznego filtru Gm-LC dowolnego(nieparzystego) rzędu.
-
The Shadow of God in the Garden of the Philosopher. The Parc de La Villette in Paris in the Context of Philosophy of Chôra. Part I-V
PublicationThe book Shadow of God in the Philosopher's Garden. Parcde La Villette in Paris in the context of the philosophy of chôra presents the philosophical discussions that accompanied the design of the extensive park in the Parisian district of La Villette. The core of the park's theoretical framework were texts by Bernard Tschumi, in which he questioned the traditional ways of creating...
-
Efficient Diethylzinc/Gallic Acid and Diethylzinc/Gallic Acid Ester Catalytic Systems for the Ring-Opening Polymerization of rac-Lactide
Publication -
Model egoistycznych ataków na mechanizm odłożenia transmisji w warstwie MAC bezprzewodowych sieci lokalnych ad hoc
PublicationZaprezentowano mechanizm i efekty ataku na mechanizm odczekania CSMA/CA w lokalnej sieci IEEE 802.11. Stosując rachunek miar motywacyjnych pokazano, w jako sposób zachowania niekooperacyjne stacji sieci mogą wpływać na osiąganą globalną przepustowość i rozdział pasma sieci.
-
Geneza Komitetu Historii Nauki i Techniki PAN i jego związki z ówczesnym Zakładem Historii Nauki
Publication