Wyniki wyszukiwania dla: KINETICS OF BIOCHEMICAL PROCESSES

• The effect of slowly biodegradable substrate on the kinetics of biochemical processes in activated sludge bioreactors

  Publikacja

  • J. Drewnowski

  - Rok 2012

  Celem niniejszej rozprawy doktorskiej było określenie wpływu substratu wolnorozkładalnego (w postaci związków koloidalnych i zawiesinowych) na kinetykę wybranych procesów biochemicznych, zachodzących w komorach osadu czynnego (tj. denitryfikacja, uwalnianie i anoksyczny/tlenowy pobór fosforanów oraz pobór tlenu), opierając się na badaniach prowadzonych w dwóch dużych komunalnych oczyszczalniach ścieków "Wschód" w Gdańsku i "Dębogórze"...

• The effect of slowly biodegradable substrate on the kinetics of biochemical processes in activated sludge bioreactors

  Publikacja

  • J. Drewnowski

  - Rok 2012

  Celem niniejszej rozprawy doktorskiej było określenie wpływu substratu wolnorozkładalnego (w postaci związków koloidalnych i zawiesinowych) na kinetykę wybranych procesów biochemicznych, zachodzących w komorach osadu czynnego (tj. denitryfikacja, uwalnianie i anoksyczny/tlenowy pobór fosforanów oraz pobór tlenu), opierając się na badaniach prowadzonych w dwóch dużych komunalnych oczyszczalniach ścieków "Wschód" w Gdańsku i "Dębogórze"...

• Kinetics of nitrogen removal processes in constructed wetlands

  Publikacja

  • M. Gajewska
  • K. Cur

  - Rok 2018

  The aim of this paper is to present a state-of-the-art review of the kinetics of nitrogen removal in constructed wetlands. Biological processes of nitrogen removal from wastewater can be described using equations and kinetic models. Hence, these kinetic models which have been developed and evaluated allow for predicting the removal of nitrogen in treatment wetlands. One of the most important, first order removal model, which is...

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• Computer Simulation in Predicting Biochemical Processes and Energy Balance at WWTPs

  Publikacja

  • J. Drewnowski
  • E. Zaborowska
  • C. Hernandez

  - E3S Web of Conferences - Rok 2018

  Nowadays, the use of mathematical models and computer simulation allow analysis of many different technological solutions as well as testing various scenarios in a short time and at low financial budget in order to simulate the scenario under typical conditions for the real system and help to find the best solution in design or operation process. The aim of the study was to evaluate different concepts of biochemical processes and...

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• A hierarchical observer for a non-linear uncertain CSTR model of biochemical processes

  Publikacja

  • M. Czyżniewski
  • R. Łangowski

  - International Journal of Applied Mathematics and Computer Science - Rok 2024

  The problem of estimation of unmeasured state variables and unknown reaction kinetic functions for selected biochemical processes modelled as a continuous stirred tank reactor is addressed in this paper. In particular, a new hierarchical (sequential) state observer is derived to generate stable and robust estimates of the state variables and kinetic functions. The developed hierarchical observer uses an adjusted asymptotic observer...

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• Kinetics of cross-linking processes of fast-curing polyurethane system

  Publikacja

  • A. Olejnik
  • K. Gosz
  • Ł. Piszczyk

  - THERMOCHIMICA ACTA - Rok 2020

  This work focuses on the application of thermal analysis and kinetics investigations to analyze chemical processes during cross-linking of the complex fast-curing polyurethane system. Non-isothermal Differential Scanning Calorimetry (DSC) measurements were performed for both stoichiometric mixtures of polyol and isocyanate component and for mixture with large isocyanate excess. Isoconversional methods were used to calculate initial...

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• An observability and detectability analysis for non-linear uncertain CSTR model of biochemical processes

  Publikacja

  • M. Czyżniewski
  • R. Łangowski

  - Scientific Reports - Rok 2022

  The problem of proving observability/detectability properties for selected non-linear uncertain model of biochemical processes has been addressed in this paper. In particular, the analysis of observability/detectability in the face of parametric and unstructured uncertainty in system dynamics transformed into unknown inputs, and unknown initial conditions has been performed. Various sets of system measured outputs were taken into...

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• Robust asymptotic super twisting sliding mode observer for non-linear uncertain biochemical systems

  Publikacja

  • M. Czyżniewski
  • R. Łangowski

  - JOURNAL OF PROCESS CONTROL - Rok 2024

  The problem of state estimation (reconstruction of the state vector) for a given class of biochemical systems under uncertain system dynamics has been addressed in this paper. In detail, the bioreactor at a water resource recovery facility represents the considered biochemical systems. The biochemical processes taking place in the bioreactor have been modelled using an activated sludge model. Based on this model, an appropriate...

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• Kinetics of pollutants removal in hybrid treatment wetlands – Case study comparison

  Publikacja

  • M. Gajewska
  • K. Cur
  • K. Jóźwiakowski
  • P. Bugajski

  - ECOLOGICAL ENGINEERING - Rok 2018

  Recent years have seen an increasing interest in hybrid constructed wetland (HCW) systems for domestic sewage treatment. This paper is focused on kinetics of removal of the main pollutants occurring in wastewater i.e. organics expressed as chemical oxygen demand, biochemical oxygen demand and total nitrogen. The purpose of the article is to compare different HCW configurations in terms of mass removal rates (MRR) and removal rate...

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• Selektywne chłodzenie mózgu noworodka po Niedotlenieniu okołoporodowym. Część 1. Medyczne fakty oraz przegląd dostępnych rozwiązań systemów selektywnego chłodzenia mózgu

  Publikacja

  • E. Żmuda

  - Technika Chłodnicza i Klimatyzacyjna - Rok 2009

  Mózg ludzki jest organem delikatnym, dlatego tak ważne jest zadbanie o to, aby już w momencie przyjścia na świat noworodek miał zapewnioną, w razie konieczności możliwość minimalizacji uszkodzeń neurologicznych, spowodowanych niedotlenieniem okołoporodowym. Niedotlenienie to w dramatyczny sposób zaburza homeostazę mózgu, który jako organ najbardziej energochłonny potrzebuje najwięcej tlenu. Zapoczątkowane brakiem tlenu procesy...

• Processes

  Czasopisma

  ISSN: 2227-9717

• Selektywne chłodzenie mózgu noworodka po niedotlenieniu okołoporodowym. Cześć 2. Koncepcja hybrydowego systemu selektywnego chłodzenia mózgu noworodka

  Publikacja

  • E. Żmuda

  - Technika Chłodnicza i Klimatyzacyjna - Rok 2009

  Mózg ludzki jest organem delikatnym, dlatego tak ważne jest zadbanie o to, aby już w momencie przyjścia na świat noworodek miał zapewnioną, w razie konieczności możliwość minimalizacji uszkodzeń neurologicznych, spowodowanych niedotlenieniem okołoporodowym. Niedotlenienie to w dramatyczny sposób zaburza homeostazę mózgu, który jako organ najbardziej energochłonny potrzebuje najwięcej tlenu. Zapoczątkowane brakiem tlenu procesy...

• Selektywne chłodzenie mózgu noworodka po niedotlenieniu okołoporodowym. Cześć 3. Hybrydowy system selektywnego chłodzenia mózgu noworodka

  Publikacja

  • E. Żmuda

  - Technika Chłodnicza i Klimatyzacyjna - Rok 2009

  Zapoczątkowane brakiem tlenu procesy biochemiczne mają zgubne skutki dla układu nerwowego, w szczególności rozwijającego się. Hipotermia, czyli stan oziębienia poniżej pewnych wartości temperatur, spowalnia znacznie lub całkowicie wyhamowuje poszczególne reakcje, i to leży u podstaw jej własności neuroprotekcyjnych. Powyższe twierdzenie poparte licznymi faktami naukowymi leży u podstaw koncepcji selektywnego chłodzenia mózgu i...

• Równolegle przebiegające procesy separacji pianowej jonów Al(III), Cu(II) i Zn(II) z roztworów ich mieszanin

  Publikacja

  • P. Rybarczyk

  - Rok 2015

  Metody flotacji jonowej i precypitacyjnej należą do procesów separacji pianowej, wykorzystujących zdolność selektywnej adsorpcji niektórych składników roztworu na powierzchni międzyfazowej gaz – ciecz. Do zalet separacji pianowej zalicza się m.in. niewysokie koszty inwestycyjne i eksploatacyjne oraz wysoką skuteczność w obróbce roztworów rozcieńczonych. Celem pracy jest ocena wpływu kluczowych parametrów na wydajność i przebieg...

• 15th Conference on Calorimetry and Thermal Analysis

  Wydarzenia

  08-09-2024 16:30 - 12-09-2024 13:30

  The 15th Conference on Calorimetry and Thermal Analysis (CCTA 15) is the successive one in the cycle events coorganized by the Polish Society of Calorimetry and Thermal Analysis (PTKAT) this time Faculty of Chemistry of Gdańsk University of Technology and Stanislaw Staszic Research Association  . The conference is devoted to application...

• BIOCHEMICAL PHARMACOLOGY

  Czasopisma

  ISSN: 0006-2952 , eISSN: 1873-2968

• Robert Bogdanowicz dr hab. inż.

  Osoby

  Katedra Metrologii i Optoelektroniki

  Robert Bogdanowicz received his Ph.D. degree with honours in Electronics from the Gdansk University of Technology. He worked as a post-doc researcher in Ernst-Moritz-Arndt-Universität Greifswald Institut für Physik. He has initiated optical emission imaging of muti-magnetron pulsed plasma and contributed to the development of antibacterial implant coatings deposited by high-power impulse magnetron sputtering. He moved back to...

• Inter Applied Chemistry Programme 6 A practical approach to novel industrial enzymes Dr Natasha Bozic

  Kursy Online

  • A. Głowacz-Różyńska
  • M. Tobiszewski
  • C. Jungnickel
  • P. Filipkowski

  Inter Applied Chemistry Programme 6 - A practical approach to novel industrial enzymes Dr Natasha Bozic The purpose of the course is to introduce students to the technologies of industrial enzymes discovery and manufacturing and to provide in depth insight about the advantages of using enzyme preparations in industry. Lectures will cover the common workflows of industrial enzymology including following topics: general enzyme...

• Random Processes 2022/2023

  Kursy Online

  • B. Czaplewski

  The e-learning course page for the purpose of the remote or hybrid learning for Random Processes.

• Random Processes 2023/2024

  Kursy Online

  • B. Czaplewski

  The e-learning course page for the purpose of the remote or hybrid learning for Random Processes.

• Journal of Human Kinetics

  Czasopisma

  ISSN: 1640-5544 , eISSN: 1899-7562

• BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS

  Czasopisma

  ISSN: 0006-291X , eISSN: 1090-2104

• Adaptive stochastic and hybrid nonlinear optimization algorithms for improving the effectiveness of the biological processes at WWTP

  Publikacja

  • R. Piotrowski
  • K. Milewski
  • B. Maciąg

  - BIOCHEMICAL ENGINEERING JOURNAL - Rok 2023

  Wastewater treatment plays an important factor in the modern world. Insufficient treatment may result in environmental pollution which can further lead to disasters and diseases. However, processes that take place inside wastewater treatment plants (WWTP) are highly complex in nature, therefore it is difficult to design an efficient, optimal control system. The problem regarding biochemical reactions inside Sequential Batch Reactor...

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• Kinematics and Kinetics of Taekwon-do Side Kick

  Publikacja

  • J. Wąsik

  - Journal of Human Kinetics - Rok 2011

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• Automatics and control of technical processes 2023

  Kursy Online

  • D. Dobrzyniewski
  • B. Szulczyński
  • S. S. Mousavi Khadem
  • T. Amibo
  • Z. Honarmandrad

  Automatics and control of technical processes for Green Technologies 2023

• KINETICS AND CATALYSIS

  Czasopisma

  ISSN: 0023-1584 , eISSN: 1608-3210

• BIOCHEMICAL ENGINEERING JOURNAL

  Czasopisma

  ISSN: 1369-703X , eISSN: 1873-295X

• Kinetics of the crosslinking reaction between genipin and chitosan solutions

  Publikacja

  • G. Gorczyca
  • R. Tylingo

  - Rok 2011

  The kinetics of the chitosan crosslinking reaction with genipin was examined. The strong relationship was found between crosslinking agent concentration, chitosan concentration, temperature and gelling time. Data obtained will be used in the proper selection of optimal genipin concentration for crosslinking chitosan solutions.

• Generalized temperature dependence model for anammox process kinetics

  Publikacja

  • D. Sobotka
  • J. Zhai
  • J. Mąkinia

  - SCIENCE OF THE TOTAL ENVIRONMENT - Rok 2021

  Temperature is a key operational factor influencing the anammox process kinetics. In particular, at temperatures below 15 °C, the specific anammox activity (SAA) considerably decreases. This study aimed to describe the temperature dependence of the anammox process kinetics in the temperature range from 10 to 55 °C, including the specific characteristics of“cold anammox”. The commonly used Arrhenius and extended and modifiedRatkowsky...

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• Water uptake kinetics and electrical transport in BaCe0.6Zr0.2Y0.1M0.1O3−δ (M = Tb, Pr, Fe) protonic conductors

  Publikacja

  • J. Budnik
  • A. D. Mielewczyk-Gryń
  • M. Gazda
  • T. Miruszewski

  - Journal of Materials Chemistry A - Rok 2023

  BaCe0.6Zr0.2Y0.1M0.1O3−d (M = Fe, Pr, Tb) is a mixed conducting oxide in which three mobile charge carriers – oxygen ion, electron/hole, and protonic defects – are present. These types of materials have gained much interest as electrode materials for protonic ceramic fuel cells (PCFCs) and protonic ceramic electrolysis cells (PCECs). In this study, the water uptake and oxygen transport properties of different BaCe0.6Zr0.2Y0.1M0.1O3−d...

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• Biochemical characteristic of biofilm of uropathogenic Escherichia coli Dr+ strains.

  Publikacja

  • B. Zalewska-Piątek
  • S. Wilkanowicz
  • P. Bruździak
  • R. Piątek
  • J. Kur

  - MICROBIOLOGICAL RESEARCH - Rok 2013

  Urinary tract infections caused by Escherichia coli are very common health problem in the developed countries. The virulence of the uropathogenic E. coli Dr+ IH11128 is determined by Dr fimbriae, which are homopolymeric structures composed of DraE subunits with the DraD protein capping the fiber. In this study, we have analyzed the structural and biochemical properties of biofilms developed by E. coli strains expressing Dr fimbriae...

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• Phototransformation of Amlodipine: Degradation Kinetics and Identification of Its Photoproducts

  Publikacja

  • A. Jakimska-Nagórska
  • M. Śliwka-Kaszyńska
  • P. Nagórski
  • J. Namieśnik
  • A. Kot-Wasik

  - PLOS ONE - Rok 2014

  Nowadays, monitoring focuses on the primary compounds and does not include degradation products formed during various biological and chemical processes. Transformation products may have the same effects to human health and the environment or sometimes they can be more toxic than the parent compound. Unfortunately, knowledge about the formation of degradation products is still limited, however, can be very important for the environmental...

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• BIOCHEMICAL GENETICS

  Czasopisma

  ISSN: 0006-2928 , eISSN: 1573-4927

• Cold-Active beta-Galactosidases: Sources, Biochemical Properties and Their Biotechnological Potential

  Publikacja

  • H. Cieśliński
  • M. Wanarska
  • A. Pawlak-Szukalska
  • E. Krajewska
  • M. Wicka-Grochocka
  • J. Kur

  - Rok 2016

  beta-D-Galactosidases have been studied extensively in terms of their application to a variety of industrial technologies. To date, considerable research efforts have been devoted to characterization of new cold-active beta-D-galactosidases which were isolated directly from selected species of bacteria and yeasts, as well as with the use of metagenomic approaches. This chapter will provide a review of current research towards cold-active...

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• Application of optical microsphere in fiber optic sensors for measurement of electrochemical processes

  Dane Badawcze

  open access

  • P. Listewnik

  investigation of the electrochemical processes using micro-sphere fiber-optic sensor with a zinc oxide (ZnO) coating applied by Atomic Layer Deposition method (ALD). The measurements were performed in 1M KNO3 during a decomposition of Bisphenol-A

• A study of the kinetics of bismuth telluride synthesis by an oxide reduction method

  Publikacja

  • B. J. Trawiński
  • B. Bochentyn
  • M. S. Łapiński
  • B. Kusz

  - THERMOCHIMICA ACTA - Rok 2020

  The kinetics of a reduction of bismuth and tellurium oxides in a hydrogen atmosphere, leading to the formation of thermoelectric bismuth telluride is investigated. The evaluation of the reaction kinetics was based on a thermogravimetric analysis performed in non-isothermal conditions. A non-parametric analysis method and the Friedman method were used for the evaluation of the data. Additionally, for a better understanding of the...

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• RecA Proteins from Deinococcus geothermalis and Deinococcus murrayi - Cloning, Purification and Biochemical Characterisation

  Publikacja

  • M. Wanarska
  • B. Krawczyk
  • P. Hildebrandt
  • J. Kur

  - BMC MOLECULAR BIOLOGY - Rok 2011

  Escherichia coli RecA plays a crucial role in recombinational processes, the induction of SOS response and mutagenic lesion bypasses. It has also been demonstrated that RecA protein is indispensable when it comes to the reassembly of shattered chromosomes in gamma-irradiated Deinococcus radiodurans, one of the most radiation-resistant organisms known. Moreover, some functional differences between E. coli and D. radiodurans RecA...

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• Reaction Kinetics Mechanisms and Catalysis

  Czasopisma

  ISSN: 1878-5190 , eISSN: 1878-5204

• Numerical solution of fractional neutron point kinetics in nuclear reactor

  Publikacja

  • T. Nowak
  • K. Duzinkiewicz
  • R. Piotrowski

  - Archives of Control Sciences - Rok 2014

  This paper presents results concerning solutions of the fractional neutron point kinetics model for a nuclear reactor. Proposed model consists of a bilinear system of fractional and ordinary differential equations. Three methods to solve the model are presented and compared. The first one entails application of discrete Grünwald-Letnikov definition of the fractional derivative in the model. Second involves building an analog scheme...

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• Kinetics of Intermetallic Phase Precipitation in Manual Metal Arc Welded Duplex Stainless Steels

  Publikacja

  • M. Orłowska
  • K. Pańcikiewicz
  • A. Świerczyńska
  • M. Landowski

  - Materials - Rok 2023

  The article presents the influence of heat treatment on the kinetics of transformations in lean duplex LDX2101 steel and a weld made of standard duplex 2209 material, which was welded by manual metal arc welding. Changes in the microstructure, hardness, and magnetic phase content were analyzed after heat treatment was conducted at a temperature of 800 °C for a period ranging from 15 to 1440 min. Light and scanning microscopy, Vickers...

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• Cure kinetics of epoxy/MWCNTs nanocomposites: Nonisothermal calorimetric and rheokinetic techniques

  Publikacja

  • M. Saeb
  • H. Rastin
  • M. Nonahal
  • M. Ghaffari
  • A. Jannesari
  • K. Formela

  - JOURNAL OF APPLIED POLYMER SCIENCE - Rok 2017

  Nonisothermal calorimetric and isothermal rheokinetic analyses were used to study cure kinetics of epoxy/anhydride systems containing very low concentration of pristine and amine-functionalized multiwalled carbon nanotubes (MWCNTs). Isoconversional methods were applied in calorimetric modeling of cure kinetics. Eα vs. α dependency and autocatalytic nature of curing were identified for both types of nanocomposites by isoconversional...

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• Genetic and biochemical characterization of yeasts isolated from Antarctic soil samples

  Publikacja

  • A. Białkowska
  • K. Szulczewska
  • J. Krysiak
  • T. Florczak
  • E. Gromek
  • H. Kassassir
  • J. Kur
  • M. Turkiewicz

  - POLAR BIOLOGY - Rok 2017

  The Polish Arctowski Station is situated in the maritime Antarctic on the western shore ot' Admiralty Bay and encompasses terrestrial habitats which are not perma-nently covered by ice, in contrast to morę than 90% of the island's surface area. Over the past several decades, stud-ies exploring the soils of those habitats have revealed a considerable diversity of bacteria, filamentous fungi, and, to a lesser extent, yeasts; however,...

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• Biomedical Human Kinetics

  Czasopisma

  eISSN: 2080-2234

• Fractional neutron point kinetics equations for nuclear reactor dynamics – Numerical solution investigations

  Publikacja

  • T. Nowak
  • K. Duzinkiewicz
  • R. Piotrowski

  - ANNALS OF NUCLEAR ENERGY - Rok 2014

  This paper presents results concerning numerical solutions to a fractional neutron point kinetics model for a nuclear reactor. The paper discusses and expands on results presented in (Espinosa-Paredes et al., 2011). The fractional neutron point kinetics model with six groups of delayed neutron precursors was developed and a numerical solution using the Edwards’ method was proposed (Edwards et al., 2002). The mathematical model...

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• BEHAVIOURAL PROCESSES

  Czasopisma

  ISSN: 0376-6357 , eISSN: 1872-8308

• Discourse Processes

  Czasopisma

  ISSN: 0163-853X , eISSN: 1532-6950

• Ecological Processes

  Czasopisma

  ISSN: 2192-1709

• Crystallization kinetics study of dynamically vulcanized PA6/NBR/HNTs nanocomposites by nonisothermal differential scanning calorimetry

  Publikacja

  • S. Paran
  • H. Vahabi
  • F. Ducos
  • K. Formela
  • P. Zarrintaj
  • A. Laachachi
  • J. Lopez
  • M. Saeb

  - JOURNAL OF APPLIED POLYMER SCIENCE - Rok 2018

  Investigation of crystallization behavior and kinetics of thermoplastic elastomer nanocomposites was the subject of limited works because of complexities associated with semiexperimental modeling of such phenomenon in a system containing components having completely different behavior in the molten state. Nonisothermal crystallization kinetics of dynamically vulcanized PA6/NBR/HNTs thermoplastic elastomer nanocomposites was mathematically...

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• Hardware-Software Implementation of Basic Principles Simulator of Nuclear Reactor Processes

  Publikacja

  • T. Karla
  • J. Tarnawski
  • K. Duzinkiewicz

  - Acta Energetica - Rok 2016

  The paper presents implementation process of basic principle simulators of a nuclear reactor processes. Simulators are based on point-models of processes: kinetics of neutrons, heat generation and exchange, poisoning and burning-up nuclear fuel. Reference simulator was developed in MATLAB/Simulink without taking into account real-time operation. Second simulator was built using the toolbox xPC with hard real-time requirements....

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• Special Issue on “Advanced Liquid Waste and Gas Waste Treatment Processes”

  Publikacja

  • P. Rybarczyk

  - Processes - Rok 2023

  The editorial contains a short review of the content of the Special Issue on waste gas and liquid streams treatment strategies.

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