Search
Filters
total: 3923
filtered: 3632
-
Catalog
Chosen catalog filters
displaying 1000 best results Help
Search results for: WSKAŹNIK IMPACT FACTOR
-
Vascular endothelial growth factor C—a potent risk factor in childhood acute lymphoblastic leukaemia: an immunocytochemical approach
Publication -
Pozytywne doświadczenia zakupowe w kreowaniu lojalności nabywczej
PublicationDoświadczenie zakupowe to rodzaj mentalnej podróży, pozostawiającej niematerialne wrażenia, w postaci wiedzy i śladu emocjonalnego [69], będące kluczowym elementem w zrozumieniu zachowań konsumentów, jak również istotnych zmian zachodzących we współczesnym marketingu [10]. Cel: Celem głównym badań było ukazanie wpływu pozytywnych doświadczeń zakupowych na kształtowanie satysfakcji i lojalności nabywczej oraz sposobów budowania...
-
A 0.5 V Nanowatt Biquadratic Low-Pass Filter with Tunable Quality Factor for Electronic Cochlea Applications
PublicationA novel implementation of an analogue low-power, second-order, low-pass filter with tunable quality factor (Q) is presented and discussed. The filter feature is a relatively simple, buffer-based, circuit network consisting of eleven transistors operating in a subthreshold region. Q tuning is accomplished by injecting direct current into a network node, which changes the output resistance of the transistors and, as a result, modifies...
-
Scaling of signed residue numbers with mixed-radix conversion in FPGA with extended scaling factor selection
PublicationA scaling technique of signed residue numbers in FPGA is proposed. The technique is based on conversion of residue numbers to the Mixed-Radix System (MRS). The scaling factor is assumed to be a moduli product from the Residue Number System (RNS) base. Scaling is performed by scaling of MRS terms, the subsequent generation of residue representations of scaled terms, binary addition of these representations and generation of residues...
-
Behaviour of steel columns under impact
PublicationOne of import issues related to the idea of sustainable society is the safety of civil engineering structures. The safety and reliability of steel structures under impact loading is among a number of different aims during the design state. The aim of this paper is to present the results of investigation focused on dynamic behaviour of steel columns under impact loading. Modal and transient dynamic analyses using Finite Element...
-
Impact of high temperature drying process on beech wood containing tension wood
PublicationThe technology of high temperature drying has a great inuence on dimensional and selected physical changes in tension wood. Article is focused on the measurement properties such as moisture content, color changes and longitudinal warping. The quality of beech wood is determined based on structure and properties of wood, frequency of defects in wood material. The tension wood is considered as an important wood defect causing negative...
-
The analysis of the empathy factor in students of medical sciences
Publication -
CRH functions as a growth factor/cytokine in the skin
Publication -
Performance persistence of government bond factor premia
Publication -
Seasonality in government bond returns and factor premia
Publication -
Spending on Innovation as a Factor of Competitiveness of Market Economies
Publication -
Sectarianism as a Factor Shaping Persian Gulf Security
Publication -
Noise as a Factor of Green Areas Soundscape Creation
Publication -
A boost topology active power factor corrector.
PublicationPrzedstawiono układ analogowego aktywnego korektora zbudowanego na układzie scalonym kontrolera PWM oraz tranzystorem MOS jako okresowo przełączonym kluczem. Układ korektora zapewnia pobór prądu z sieci energetycznej w postaci przebiegu prawie sinusoidalnego o małych zniekształceniach i w fazie z sinusoidalnym napięciem sieci.
-
The impact of road network structure and mobility on the national traffic fatality rate
PublicationW pracy określono wpływ wybranych miar struktury sieci drogowej i mobilności mieszkańców na wskaźnik śmiertelności w wypadkach drogowych na bazie dostępnych danych z wielu krajów świata. Opracowano wieloczynnikowe modele nieliniowe pozwalające na określenie wpływu wielu istotnych czynników: ekonomicznych, systemowych, motoryzacyjnych i infrastrukturalnych na bezpieczeństwo ruchu drogowego mierzonego wskaźnikiem śmiertelności RFR.
-
The Impact of Wind Generation on the Transmission System
PublicationThis article has been published to investigate the im-pact of the wind power on the power system- this is a system dependent issue that requires to perform sys-tem specific impact study. This paper discusses the impact of power flow, short circuit current, power quali-ty, voltage stability and the power system during the connection of a wind farm into transmission system. W referacie omówiono wpływ farm wiatrowych na pracę systemu...
-
Angiopoietin-like growth factor-derived peptides as biological activators of adipose-derived mesenchymal stromal cells
PublicationAdipose-derived mesenchymal stromal cells (AD-MSCs) are an essential issue in modern medicine. Extensive preclinical and clinical studies have shown that mesenchymal stromal/stem cells, including AD-MSCs, have specific properties (ability to differentiate into other cells, recruitment to the site of injury) of particular importance in the regenerative process. Ongoing research aims to elucidate factors supporting AD-MSC culture...
-
Impact of selected drugs and their binary mixtures on the germination of Sorghum bicolor (sorgo) seeds
PublicationThe aim of this study was to assess the toxicological potential of binary drug mixtures and individual drugs under different pH conditions with different inorganic ion additions on the germination of Sorghum bicolor (sorgo) seeds. To assess whether the given drug mixtures were more phytotoxic than the individual compounds, concentration addition (CA) and independent action (IA) approaches were applied to estimate the predicted...
-
Wskaźnik siły nabywczej w zmieniającym się otoczeniu walutowym firm sektora MSP podejmujących międzynarodową działalność e-commerce
PublicationTechnologia E-Commerce znacząco ułatwiła firmom sektora MSP możliwość zaistnienia i prowadzenia działalności na rynkach zagranicznych. Stworzyło to nowe szanse, ale wprowadziło również nowe ryzyka do działalności, w tym w zakresie zmian koniunkturalnych oraz kursów walutowych. Niniejszy tekst przedstawia koncepcję prostych wskaźników walutowych, mających na celu szybką ocenę zmian atrakcyjności rynków zagranicznych wynikających...
-
The impact of equity pledge on inefficient investment: a perspective from family entrepreneurship
PublicationAs an efficient and convenient financing method, equity pledges may have a heterogeneous impact on the inefficient investment of family firms. In order to verify this point, this paper takes A-share listed family enterprises from 2010 to 2021 as a research sample. It conducts an empirical test on the impact of equity pledges on inefficient investment in family firms by constructing a panel regression model. The results show...
-
Preprzedsiębiorczość
PublicationKsiążka składa się z czterech rozdziałów, poprzedzonych wstępem i zwieńczonych częścią podsumowującą całość. Rozdział pierwszy nakreśla tło dla dalszych rozważań. W rozdziale tym wyodrębniono trzy zasadnicze ujęcia: ujęcie ekonomiczne, ujęcie psychologiczne oraz socjologiczno-kulturowe. W dalszej części tego rozdziału przeanalizowano związki między przedsiębiorczością a wzrostem gospodarczym. Wskazano także mniej znane kierunki...
-
The impact of ICTs on women’s economic empowerment
PublicationIt is widely argued that ICTs enable the inclusion of low-skilled and traditionally marginalized groups, such as women, people with disabilities, and workers at the base of the pyramid (BoP), in the labor market. In this paper, we investigate the determinants of female participation in the labor market in developing countries with a focus on the impact of the use of ICTs on female labor force participation. We conduct a panel study...
-
The Impact of ICTs on Women’s Economic Empowerment
PublicationIt is widely argued that ICTs enable the inclusion of low-skilled and traditionally marginalized groups, such as women, people with disabilities, and workers at the base of the pyramid (BoP), in the labor market. In this paper, we investigate the determinants of female participation in the labor market in developing countries with a focus on the impact of the use of ICTs on female labor force participation. We conduct a panel study...
-
The impact of domestic and foreign competition on sectoral growth: a cross-country analysis
PublicationThis paper examines the impact of competition on the total factor productivity (TFP) of 21 manufacturing sectors in eighteen OECD countries over the period of time 1990–2006. We assume that the source of TFP growth can be either domestic or foreign innovation or technology transfer from the technological frontier. Trade openness, R&D, and human capital can have two effects: a direct effect on TFP (e.g., through innovation) and...
-
Electron-impact dissociation of molecular hydrogen: benchmark cross sections
PublicationWe present a joint experimental and theoretical investigation of a fundamental process in atomic and molecular physics: electron impact excitation of molecular hydrogen’s (H2) most dominant transition (X1Σg+ → b3Σu+). Excitation of this state is by far the main channel that causes the dissociation of H2 into H + H atoms at low energies. The Convergent Close-Coupling (CCC) calculations predicted significant, more than factor of...
-
Impact of adverse winter weather on traffic flow
PublicationThe paper aims to analyse the impact of adverse weather in winter on traffic flow using data from a dual carriageway section of an express road located in Gdansk. For the purposes of the analysis, traffic and meteorological data were collected for a period of 15 months in 2014-2015 and aggregated to 5 minutes intervals. The impact of winter weather conditions on traffic flow was assessed by comparing aggregated traffic stream parameters...
-
Corrosion degradation impact on mechanical properties of structural steel
PublicationRecently, extensive research was conducted regarding the impact of corrosion degradation on the mechanical properties of structural steel. Studies show that at the material level, the microstructure is somewhat unchanged due to corrosion degradation. However, the corrosion causes pits and structural surface irregularities that consequently impact the mean stress-strain response of typical coupon specimens subjected to tensile loading....
-
The Impact of Decommissioning Cemeteries on the Urban Ecosystem
PublicationThe decommissioning of cemeteries noticeably transforms the urban fabric. The purpose of this article was to determine what impact the decommissioning of cemeteries has on the urban ecosystem. For this purpose, it was necessary to assess the value of cemeteries within the urban ecosystem. Cemeteries are classified as urban green spaces, and their value as preservers of flora and fauna in local ecosystems has been proven. However,...
-
Diagnostic Analysis of Exhaust Gas with A Quick-Changing Temperature from a Marine Diesel Engine Part II / Two Factor Analysis
PublicationThe article presents a continuation of research carried out to determine the effect of input parameters (changes in engine structure parameters) on selected output parameters (diagnostic measures), based on quickly changing exhaust gas temperature. A method of determining the simultaneous influence of two input factors (the structure parameter and the engine load) on one output factor was presented, as well as an evaluation...
-
Can mutations in the gene encoding transcription factor EKLF (Erythroid Krüppel-Like Factor) protect us against infectious and parasitic diseases?
Publication -
The impact of drying and steaming processes on surface color changes of tension ad normal beech wood
PublicationThe aim of the article is to present the influence of high temperature to selected properties of beech wood (Fagus sylvatica L.). The properties such as moisture content, color changes and longitudinal warping were analyzed. The quality of beech wood is determined based on structure and properties of wood, frequency of defects in wood material. The tension wood is considered as an important wood defect causing negative alterations...
-
Probability of flooding a compartment (the pi factor) - a critique and a proposal
PublicationArtykuł podaje krytyczny przegląd stanu wiedzy dot. obliczania prawdopodobirństwa zatopienia przedziału (mnożnika pi), ze szczególnym uwzględnieniem projektu badawczego ''Harder'' oraz podaje poprawne rozwiązanie dotyczące tego mnożnika. Kończy się propozycją przepisu do zamieszczenia w konwencji SOLAS.
-
The Influence of LED Lighting Sources on the Nature of Power Factor
Publication -
An Application of Factor Pricing Models to the Polish Stock Market
Publication -
Factor Analysis of the Polish Version of Godspeed Questionnaire (Gqs)
Publication -
Technological logistics HL as a factor in distribution network effectivness
PublicationPrzedstawiono podział kompetencyjny logistyki i wskazano na znaczenie logistyki technicznej HL (HardLogistics). Jako przykład wpływu logistyki HL na efektywność ekonomiczną systemu dystrybucji zamieszczono wyniki symulacji wyniku eksploatacji pojazdów samochodowych o różnym wyposażeniu w urządzenia przeładunkowe.
-
Application of dynamic factor models for inflation forecasting in Poland
Publication -
Estimating and Forecasting GDP in Poland with Dynamic Factor Model
Publication -
SERRATE: a key factor in coordinated RNA processing in plants
Publication -
Corrosion monitoring as a factor increasing the safety of hydrotechnical infrastructure
PublicationWater distribution systems at KGHM S.A. are of great importance for the efficient production of copper and environmental protection. For failures leading to perforation and leakage, the corrosion processes are responsible. This paper aims to assess corrosion on the basis of the analysis of the exposure of the Hydrotechnical Plant pipelines. To this end, the system of transfer and deposition of post-flotation waste as well as the...
-
The Impact of Weather on Traffic Speed in Urban Area
PublicationThe issue of the impact of weather conditions on trip speed of vehicles has been studied for a long time and it is still the subject of many scientific researches. The impact of atmospheric conditions on the speed with which drivers drive their vehicles seems to be obvious. Good weather conditions, sunny weather with good visibility surely provokes higher speed while rainfall, wind...
-
Eurozone or National Inflation Projections: Which has Greater Impact on Consumer Expectations?
PublicationWe compare the dependence of consumer inflation expectations on European Central Bank (ECB) inflation projections with that on national central bank (NCB) projections in four economies: Austria, Belgium, Finland, and Germany. We aim to assess whether the information published by central banks affects consumers, and whether inflation projections published by NCBs are more relevant to consumers than those published for the entire...
-
Impact of Work on the Well-Being of Police Officers and Firefighters
PublicationWork is one of the most important spheres of human functioning and has a significant impact on individual overall well-being. The purpose of this study is to assess the positive and negative impact of the work of police officers and firefighters on their well-being in different spheres of life. In particular, the study examines the relationship between the type of occupation and the elements that generate a feeling of well-being,...
-
The impact of the distribution network reconfiguration on active power losses: Selected issues of UPGRID project realization
PublicationThe dynamic development of smart grids allows the use of remote controllable switches to change the configuration of the distribution network. The paper discusses the impact of the distribution system reconfiguration on active power losses, taking into account the typical daily load profiles. Based on modified IEEE 33-bus test distribution system the article presents the method of selection the appropriate sensitivity factor and...
-
Result of the 6-min walk test is an independent prognostic factor of surgically treated non-small-cell lung cancer
PublicationPathological tumour, node and metastasis (TNM) stage remains the most significant prognostic factor of non-small-cell lung cancer (NSCLC). Meanwhile, age, gender, pulmonary function tests, the extent of surgical resection and the presence of concomitant diseases are commonly used to complete the prognostic profile of the patient with early stage of NSCLC. The aim of this study is to assess how the result of a 6-min walk test (6MWT)...
-
Explicit Size-Reduction of Circularly Polarized Antennas through Constrained Optimization with Penalty Factor Adjustment
PublicationModern communication systems of high data capacity incorporate circular polarization (CP) as the preferred antenna radiation field configuration. In many applications, integration of the system circuitry with antennas imposes size limitations on CP radiators, which makes their development process a challenging endeavor. This can be mitigated by means of simulation-driven design, specifically, constrained numerical optimization....
-
Impact of an unsecured excavation on an underground pipeline
PublicationThe paper presents a numerical analysis of the impact of an unsecured excavation on an underground pipeline in selected soil conditions. The research was inspired by a real-life failure of a water pipeline which was caused by a nearby unsecured excavation (Sikora et al. 2015). The failure was triggered by displacement of soil mass in the vicinity of the pipeline. The study conducted in the framework of Finite Element...
-
Impact resistance of plain and twill fabric in GFRP measured by active thermography
PublicationThis paper discusses the impact resistance of glass-fibre reinforced polymer (GFRP) composites depending on the type of reinforcement – plain or twill weave. The values of impact energy were: 3J, 10J and 15J. Specimens featuring twill weave transferred higher force during the impact as compared with plain weave specimens. It was observed that an increase of impact energy was accompanied by an increase of the disproportion in...
-
The Impact of Micro-Sources on Voltage Distortions in a Power Grid
PublicationThe increase in the number of photovoltaic (PV) systems integrated with low voltage (LV) grids has led to a great need to analyse the impact of these systems on the quality of electricity and the reliability of its supply. This paper presents and compares the energy quality requirements imposed by various countries on photovoltaic plants. Then, based on real object tests and simulation in DIgSILENT PowerFactory, the impact has...
-
IMPACT-TOUGHNESS INVESTIGATIONS OF DUPLEX STAINLESS STEELS
PublicationDuplex stainless steels are very attractive constructional materials for use in aggressive environments because of their several advantages over austenitic stainless steels. Duplex steels have excellent pitting and crevice corrosion resistance, are highly resistant to chloride stress-corrosion cracking and are about twice as strong as common austenitic steels. Better properties are associated with their microstructures consisting...