Filtry
wszystkich: 1080
wybranych: 819
Wyniki wyszukiwania dla: ageining population
-
Experimental Evaluation of the Agent-Based Population Learning Algorithm for the Cluster-Based Instance Selection
Publikacja -
Population Modeling of Filgrastim PK-PD in Healthy Adults Following Intravenous and Subcutaneous Administrations
Publikacja -
Exposure to cadmium, lead and mercury in the adult population from Eastern Poland, 1990–2002
Publikacja -
Bistability in a One-Dimensional Model of a Two-Predators-One-Prey Population Dynamics System
PublikacjaIn this paper, we study a classical two-predators-one-prey model. The classical model described by a system of three ordinary differential equations can be reduced to a one-dimensional bimodalmap. We prove that this map has at most two stable periodic orbits. Besides, we describe the bifurcation structure of the map. Finally, we describe a mechanism that leads to bistable regimes. Taking this mechanism into account, one can easily...
-
Changes in the addiction prevalence in Polish population between 1990-2019: Review of available data
PublikacjaThe 1989 collapse of the socialist political system in Poland initiated an avalanche of modifications regarding healthcare policy resulting with new institutions and programs dedicated to monitoring and preventing addiction. In the current article, we look at the available data allowing to track changes in (1) the prevalence of exposure to addictive substances and behaviors, and (2) changes of addictions prevalence in Poland...
-
ERAP1 and HLA-C*06 are strongly associated with the risk of psoriasis in the population of northern Poland
Publikacja -
Diclofenac and atrazine restrict the growth of a synchronous Chlamydomonas reinhardtii population via various mechanisms
Publikacja -
Knowledge Regarding Influenza and Influenza Vaccination in General Population: Results of a National Survey in Poland
Publikacja -
Characteristics of olfactory function in a healthy geriatric population. Differences between physiological aging and pathology
Publikacja -
Heritability and other determinants of left ventricular diastolic function in the family-based population study
Publikacja -
Rearrangements of the nitrifiers population in an activated sludge system under decreasing solids retention times
PublikacjaDue to the key role of nitrite in novel nitrogen removal systems, nitrite oxidizing bacteria (NOB) have been receiving increasing attention. In this study, the coexistence and interactions of nitrifying bacteria were explored at decreasing solids retention times (SRTs). Four 5-week washout experiments were carried out in laboratory-scale (V=10 L) sequencing batch reactors (SBRs) with mixed liquor from two full-scale activated sludge...
-
Study on population dynamics for triple-linked food chain using a simulation-based approach
PublikacjaThe procedures based on simulation have become a feasible testing method that does not require investing valuable resources to create a concrete prototype, especially with the increasing computational power of computers. Thus, design changes can be adopted and design errors can be fixed before it is too late. Simulation turns to be a cheap, safe and often more acceptable from an ethical perspective. In our work we summarize the...
-
Modulation frequency constraints on wow and flutter determination
PublikacjaOpracowane wcześniej algorytmy do określania charakterystyki kołysania i drżenia dźwięku okazały się pomocne w rekonstrukcji rzeczywistych próbek dźwiękowych, jednakże przy ich opracowaniu nie określono przedziału częstotliwości modulujących, które mogą być przez nie śledzone. Prezentowany artykuł zawiera studium pozwalające wyznaczyć brakujące przedziały częstotliwości dla trzech algorytmów śledzących: przydźwięk sieciowy, pozostałość...
-
Influence of modulation detection threshold on speech intelligibility
Publikacja -
OFDM modulation and adaptive equalisation for underwater communications.
PublikacjaWłasności transmisyjne płytkiego kanału podwodnego są ograniczone ze względu na wielokrotne odbicia fal dźwiękowych od dna i powierzchni wody oraz ze względu na niestacionarność powodowaną głównie przez ruch powierzchni wody. W celu minimalizacji wpływu interferencji międzysymbolowych, powodowanych przez wielodrogową propagację fal dźwiękowych, w tradycyjnych wąskopasmowych modemach telekomunikacyjnych stosowane są złożone equalizery...
-
Mitochondrial DNA of Anisakis simplex S.S. as a Potential Tool for Differentiating Populations
Publikacja -
The expansion wave of an invasive predator leaves declining waterbird populations behind
Publikacja -
Spatiotemporal distribution of copepod populations in the Gulf of Gdansk (southern Baltic Sea)
Publikacja -
Aims and Challenges of the Creative Ageing Policy
Publikacja -
SELECTING A REPRESENTATIVE DATA SET OF THE REQUIRED SIZE USING THE AGENT-BASED POPULATION LEARNING ALGORITHM
Publikacja -
Method of determination of the reticulocyte age distribution from flow cytometry count by a structured-population model
Publikacja -
Static in vitro digestion model adapted to the general older adult population: an INFOGEST international consensus
PublikacjaUnderstanding the mechanisms of food digestion is of paramount importance to determine the effect foods have on human health. Significant knowledge on the fate of food during digestion has been generated in healthy adults due to the development of physiologically-relevant in vitro digestion models. However, it appears that the performance of the oro-gastrointestinal tract is affected by ageing and that a model simulating the digestive...
-
SARS-CoV-2 pandemic and the population with dementia. Recommendations under the auspices of the Polish Psychiatric Association
Publikacja -
Doppler indexes of left ventricular systolic and diastolic function in relation to the arterial stiffness in a general population
Publikacja -
Serial depletion of Baltic herring since the Viking Age revealed by ancient DNA and population genomics
Publikacja -
Ageing of Society — Local Disparities. Classification of the Pomorskie Voivodship Communes According to the Pace and Progress of Local Communities’ Ageing
PublikacjaThe 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,...
-
Noise effect on parameters of quiet sonar with code modulation
PublikacjaEarlier publications of the paper authors have shown that the use of code keying mixed with the CW FM sound signal allows the significant reduction in the distance measurement error, compared to classic silent CW FM sonar. In addition to the code modulation parameters, the magnitude of this error is influenced by the received input acoustic noise. The article shows the dependence of the input signal-to-noise ratio and the sound...
-
Linking habitat composition, local population densities and traffic characteristics to spatial patterns of ungulate‐train collisions
Publikacja -
The last meal: large insects predominate the diet of the European Roller Coracias garrulus prior to population extinction
Publikacja -
Occurrence of Breast Cancer in the Population of Peri- and Postmenopausal Women in the Aspect of Environmental Exposure to Airborne Dust Pollution
Publikacja -
Chosen single nucleotide polymorphisms (SNPs) of enamel formation genes and dental caries in a population of Polish children
Publikacja -
Replication study of estrogen receptor 1 XbaI polymorphism in adolescent idiopathic scoliosis (AIS) Caucasian population
Publikacja -
Effect of Nitrogen Fertilization in the Sour Cherry Orchard on Soil Enzymatic Activities, Microbial Population, and Fruit Quality
Publikacja -
Population-based case-control study of alpha 1-antitrypsin and SLC11A1 in Crohn's disease and ulcerative colitis.
PublikacjaBackground: Crohn’s disease (CD) and ulcerative colitis (UC) are chronic inflammatory diseases of the digestive tract. Genetic factors and an abnormal immune response to infections are suspected to be involved in inflammatory bowel diseases. Methods: In the present study 300 blood samples from CD patients (n 100), UC patients (n 100), and healthy controls (n 100) were taken from a population-based case-control study. PCR assays...
-
Principles, Governance, and Coproduction of the Creative Ageing Policy
Publikacja -
Pavement ageing influence on tyre/road noise
PublikacjaRoad surface should be constructed in a way that ensures safe and comfortable traffic conditions, not only when it is newly paved but also during its entire lifetime. An important factor in the asphalt mixture design process is also the expected pavement durability and stability of pavement properties over time. In many countries, road surface starts to play a significant role in traffic noise reduction actions. Selecting a particular...
-
Detection of the Direct Sequence Spread Spectrum Signals with BPSK Modulation
PublikacjaThis paper presents a method of the DS CDMA signals with BPSK modulation detection through the examination of the enhanced signal spectrum density. On the base of experiments carried out on the real radio communication signals the impact of a narrowband emission occurring in the examined frequency band on the detection process effectiveness was shown. The results of the experiment aimed at the detection of the satellite navigation...
-
Pulse-Width Modulation of Power Electronic DC–AC Converter
PublikacjaThe 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 in the industrial drive system, as well as their components, and control, current source inverter-based drives, PWM techniques for...
-
Modulation and multiplexing in ultra-broadband photonic internet: Part I
Publikacja -
Modulation and multiplexing in ultra-broadband photonic internet: Part II
Publikacja -
The Role of miRNA-7 in the Biology of Cancer and Modulation of Drug Resistance
Publikacja -
Hybrid Modulation for Modular Voltage Source Inverters with Coupled Reactors
PublikacjaThis paper proposes and discusses a concept of a hybrid modulation for the control of modular voltage source inverters with coupled reactors. The use of coupled reactors as the integrating elements leads to significant reduction in the size and weight of the circuit. The proposed modulation combines novel coarsely quantized pulse amplitude modulation (CQ-PAM) and innovative space-vector pulse width modulation (SVPWM). The former...
-
Investigation of the temperature modulation parameters on semiconductor gas sensor response
PublikacjaIn this work we present the results of the investigation of the sensing properties of semiconductor gas sensors with a sinusoidally modulated temperature in the presence of synthetic air (SA) and three volatile air pollutants, i.e. NH3, NO2 and SO2. The measurements were performed for different average sensor heater temperatures and the amplitude of the modulation signal. In addition, the extraction of features from the sensor...
-
Magnetic hyperfine modulation of charge photogeneration in solid films of Alq3.
PublikacjaZewnętrzne pole magnetyczne (B=100mT) zwiększa fotoprzewodnictwo w hydro-sychinolinowym kompleksie aluminium (Alq3) o 6%. W silniejszych polach magnetycznych (B>100mT) wielkość efektu osiąga stałą wartość. Zaobserwowane wyniki doświadczalne wyjaśniono biorąc pod uwagę magnetyczno-polową modulację oddziaływań nadsubtelnych singletowych i trypletowych par elektron-dziurawy tworzonych w procesie fotogeneracji ładunku.
-
Cadmium in edible plants from Silesia, Poland, and its implications for health risk in populations
Publikacja -
Expansion and population dynamics of a non-native invasive species: the 40-year history of American mink colonisation of Poland
Publikacja -
An Approach to Data Reduction for Learning from Big Datasets: Integrating Stacking, Rotation, and Agent Population Learning Techniques
Publikacja -
Rozpowszechnienie zaburzeń lipidowych w populacji wiejskiej -Program ''Kiełpino'' = Dyslipideamia prevalence in rural population - Kiełpino program
PublikacjaPodwyższony poziom cholesterolu odgrywa kluczową rolę w rozwoju miażdżycy i jej powikłań. Potwierdziły to liczne badania anatomopatologiczne, badania przekrojowe i prospektywne obserwacje epidemiologiczne. Wyniki badania Framingham wykazały, że wysokie stężenie cholesterolu całkowitego we krwi wiąże się ze zwiększonym ryzykiem wystąpienia zawału mięśnia sercowego i że ryzyko to rośnie proporcjonalnie wraz ze zwiększającym się...
-
Vitamin D Receptor Gene Polymorphism and Vitamin D Status in Population of Patients with Cardiovascular Disease—A Preliminary Study
Publikacja -
Population analysis to assess the influence of age and body weight on pharmacokinetics and pharmacodynamics of dexmedetomidine in New Zealand White rabbits
Publikacja