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Wyświetlanie 1-15 z 2485
Tytuł:
‘Time’ in tourism: ‘individual time’ and ‘social time’
Autorzy:
Bonneau, Michel
Sobolewska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/627622.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
individual time
social time
family time
Opis:
The author does a review of the research into tourist activity and concludes that the particular character of tourist behaviour is reflected best in the study of time budgets. He proposes Max Weber's ideal-type method to be used in the analysis. In the conclusions to the article the author presents typical examples of qualitative time (recreation, holidays, tourism).
Źródło:
Turyzm; 2009, 19, 1-2; 13-16
0867-5856
2080-6922
Pojawia się w:
Turyzm
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Time perspective and place of residence: An empirical study
Autorzy:
SENYK, OKSANA M.
Powiązania:
https://bibliotekanauki.pl/articles/628446.pdf
Data publikacji:
2013
Wydawca:
Fundacja Pro Scientia Publica
Tematy:
time perspective, time orientation, Zimbardo Time Perspective Inventory, place of residence
Opis:
The article focuses on relationship between time perspective and place of residen-ce. Five hundred and eleven Ukrainian participants completed the Zimbardo Time Per-spective Inventory [Ukrainian language version by Oksana Senyk (Senyk, 2012)] and a questionnaire that included the question about participants’ current place of residence and their place of residence in childhood. Answers to the questionnaire made it possible to consider in the research respondents’ change of residential place and its relation to the formation of different time orientations. The results have shown that the individu-al’s time perspective is influenced not by the specific life situation represented by his past or current place of residence, but upon his whole life story that includes changing different residential settlements. The research has also indicated that among all types of settlements rural settlements most significantly contribute to the development of time orientation towards a positive past.
Źródło:
Journal of Education Culture and Society; 2013, 4, 2; 137-147
2081-1640
Pojawia się w:
Journal of Education Culture and Society
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Time Value and Values Delivered By Marketing
Autorzy:
Awdziej, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/417275.pdf
Data publikacji:
2014
Wydawca:
Akademia Leona Koźmińskiego w Warszawie
Tematy:
time
time value
consumer behavior
Opis:
Purpose: The aim of the study is to discuss the problems related to consumer time valuation and its implications. This domain remains relatively unexplored in marketing literature. Methodology: The author approached the time valuation problem in a synthetic and interdisciplinary way. To facilitate the analysis of time characteristics as a consumer resource and temporal decisions, the comparison with money was applied, which is an approach well established in the literature. Findings: Time can be a source of value only to selected consumers, as not all perceive time as scarce. Mental accounting for time is difficult; hence consumers tend to use heuristics to arrive at their temporal decisions and prefer immediate discounting of temporal benefits. Contrary to a popular adage, time is not money, at least in the context of the majority of consumers’ decisions. Research limitations/implications: Despite growth in the number of publications, knowledge of temporal aspects in consumer behavior is limited and fragmented. Less is known about how to turn the perceived value of time into customer value. Further investigation is needed to identify consumer groups that truly value time. Practical implications: The knowledge of temporal aspects of consumer behavior, and how consumers value time, would be of particular use in the service industry, where the “when” of customer value is usually provided in the form of “convenience”. Originality: This study sheds light on research gaps in the literature in an under- investigated subject, examining the link between the perceived value of time and possibilities to generate value based on temporal benefits.
Źródło:
Management and Business Administration. Central Europe; 2014, 22, 4; 95-108
2084-3356
Pojawia się w:
Management and Business Administration. Central Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Standardization of complementary work time in timber harvesting processes
Autorzy:
Kamiński, Krzysztof
Szewczyk, Grzegorz
Kocel, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/2041484.pdf
Data publikacji:
2020
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
logging
working time modelling of work time
classification
complementary time of work
Opis:
One of the essential elements of work technology assessment is task performance time. In the working day structure, production times are crucial; however, under certain conditions, complementary work times can have a share of up to 30%. Accurate determination of the time structure of a work shift is very time consuming and requires time measurements using the methods of cumulative timing or snapshot observations. For this reason, the overall share of complementary work times in a work shift is usually estimated roughly, equally for all timber harvesting conditions. The aim of this study was to determine the impact of selected working environment factors on the share of complementary work times in a work shift, in technologies on the manual-machine and the machine levels. The analyses were carried out in 33 forest districts of the Regional Directorate of State Forests in Wrocław. Among forest contractors, surveys were carried out to analyse the time structure of a working day. For each forest district, analyses of environmental factors potentially relevant to the share of complementary work times in a work shift were carried out; these included field features, dispersion of stands, features of timber, area accessibility. The total share of complementary work times in the machine-level technology variant amounted to approx. 40% and was higher than the manual-machine technological variant, where this share amounted to approx. 35%. The models developed for standardization of the share of variability of complementary work times, in the case of the manual-machine technology level, took into account the share of timber assortments with the length of over 2.5 m as well as the share of upland and mountain sites. In the case of timber harvesting at the machine technology level, the standardization model included as significant the factors such as the share of coniferous forest sites, the number of forest complexes with an area of over 100 hectares, and the total length of roads. Therefore, the above features could be selected as decisive for the share of the complementary work time category out of the full set of environmental variables taken into consideration in the estimation of the time-consumption of timber harvesting processes.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2020, 62, 4; 258-269
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Brief History of UTC Leap Second
Autorzy:
Lewandowski, Włodzimierz
Marszalec, Michał
Powiązania:
https://bibliotekanauki.pl/articles/27312947.pdf
Data publikacji:
2023
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
atomic time
GNSS time scales
leap second
time in digital systems
UTC
Opis:
Since 1972 , a leap second has been added, approximately once a year, into UTC, the world’s atomic time scale used for civilian purposes, to keep it in phase with the Earth’s rotation. Leap seconds ensure that the Sun remains over the Greenwich meridian at noon, with the accuracy of approximately 1 s. The issue of adding the leap second has been debated since 2000 by different working groups of various international organizations, especially ITU-R WP 7A. The main question remains whether the need for the leap second still exists, as its introduction is associated with numerous technical inconveniences. An overwhelming opinion that prevails in those groups is that it would be more beneficial to let the atomic time run its course and accept that the world’s civilian time scale is bound to slowly diverge from the rotation of the Earth. The National Institute of Telecommunications has become, in recent years, one of the leaders of this process. This article provides a brief history of the current UTC-related practices and outlines various potential solutions to the problem.
Źródło:
Journal of Telecommunications and Information Technology; 2023, 4; 117--122
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The standard milling time of flat surfaces without outline restrictions
Autorzy:
Skoczylas, L.
Skoczylas, K.
Wydrzyński, D.
Powiązania:
https://bibliotekanauki.pl/articles/101959.pdf
Data publikacji:
2016
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
machining time
concentric milling
bidirectional milling
cutting time
additional time
Opis:
Knowing the standard operating times of technological operations is essential element in the business operations of every production enterprise. It is the basis for establishing the production capacity, planning the production schedule, or even calculating costs. The article presents a variety of methods used in the calculation of standard worktime of technological operations. An especially important distinction was made between calculating the total machining time and the actual cutting time. Through the examination of various machined flat surfaces, the results of worktime calculations from CATIA and the authored mathematical model are presented
Źródło:
Advances in Science and Technology. Research Journal; 2016, 10, 31; 229-234
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Newtonian and Bergsonian time in technical diagnostics
Autorzy:
Borowczyk, H.
Lindstedt, P.
Manerowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/247474.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
technical diagnostics
reliability
Newtonian time
Bergsonian time
Opis:
Testing and reasoning are two main closely related diagnostic activities. Diagnostic testing is realized in Newtonian (short) time while diagnostic reasoning - in (long) Bergsonian time. Both sort of time are used to analyze different kinds of problems in diagnostics and reliability of technical objects. Newtonian and Bersonian time differentiation needs some expert knowledge. In this paper, considerations are based on observation that Newtonian time of diagnostic testing is related to object maintenance (adjustment) and Bergsonian time is related to object is reliability. A significant change of the object’s technical condition (signals or parameters of the state) causes changes of its regulation state (quality indicators change) and the characteristics of reliability. As it is required for the operation and reliability to be always appropriate and permanent, the control should be adjusted to functional needs of the object, and the use should be adapted to the current characteristics of reliability. Therefore, change of the settings of the control device (made during the handling of the object) represents the change of technical condition and state of reliability. It is presumed that, during the operation of a technical object, the selection of the control settings for damaged object is impossible. This fact, when predicted, becomes the basis for the prediction of the object reliability.
Źródło:
Journal of KONES; 2012, 19, 2; 61-66
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stability of discrete-time fractional linear systems with delays
Autorzy:
Ruszewski, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/229245.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
fractional
discrete-time
stability
time-delay
Opis:
The stability analysis for discrete-time fractional linear systems with delays is presented. The state-space model with a time shift in the difference is considered. Necessary and sufficient conditions for practical stability and for asymptotic stability have been established. The systems with only one matrix occurring in the state equation at a delayed moment have been also considered. In this case analytical conditions for asymptotic stability have been given. Moreover parametric descriptions of the boundary of practical stability and asymptotic stability regions have been presented.
Źródło:
Archives of Control Sciences; 2019, 29, 3; 549-567
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The time of “crisis” and the “crisis” of time. Prolegomenon to security as the politics of time
Autorzy:
Rossa, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/34555616.pdf
Data publikacji:
2024-02-05
Wydawca:
Akademia im. Jakuba z Paradyża w Gorzowie Wielkopolskim
Tematy:
crisis
social time
politics of time
semantic of time
pattern of time
ideology of time
vicious circle of fear and providence
Opis:
The essay faces up to the topic of “crisis” from the perspective of historical and sociological semantics. Troublesomeness of the crisis is a permanent fixture in any philosophy of historical time. An author sees a social reality as flows of social practices with their symbolic and material effects and assumptions, in the same breath. The subject of his considerations are selected representative theories and ideologies of “crisis” with their assumptions pertinent to philosophies of time and time politics. Considerations of the author refer to the semantic struggles in the field of “crisis” sociology. Conclusions are also referred to the epistemic standpoint of the sociology of security and its subjects matter, the vicious circle of fear, anxiety, and secular Providences in political projects of the future time.
Źródło:
Studia Administracji i Bezpieczeństwa; 2023, 15(15); 21-46
2543-6961
Pojawia się w:
Studia Administracji i Bezpieczeństwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Perspective orientation and time dimension in student motivation
Autorzy:
Pavelková, Isabella
Havlíčková, Radka
Powiązania:
https://bibliotekanauki.pl/articles/628333.pdf
Data publikacji:
2013
Wydawca:
Fundacja Pro Scientia Publica
Tematy:
Time perspective, perspective orientation, motivation, time perspective diagnostic
Opis:
Orientating oneself to time and work for the future is considered a substantive compo-nent of the autoregulative process. It is also important to students ́ mental regulation, which is closely related to academic success. The factor of time in human life has been approached in psychology in a variety of ways. We will focus primarily on those concepts which study time and detect time patterns in motivational dynamics of personality. The concepts of Joel O. Ray-nor, Torgrim Gjesme, Joseph R. Nuttin and Philip G. Zimbardo will be mentioned. Of Czech authors, the “perspective orientation” by Isabella Pavelková is presented. We will discuss diagnostic methods used in the measurement of time perspective, especially the Motivation Induction Method (MIM – J.R. Nuttin). Secondly, we will present selected researches that have been carried out in this fi eld in the Czech Republic. These studies are focused primarily on issues related to the identifi cation, development, and opportunities of internal assump-tions conditioning the character and quality of an individual ́s future.
Źródło:
Journal of Education Culture and Society; 2013, 4, 1; 177-189
2081-1640
Pojawia się w:
Journal of Education Culture and Society
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Clustering companies listed on the Warsaw Stock Exchange according to time-varying beta
Autorzy:
Szczepocki, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/424953.pdf
Data publikacji:
2019
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
time series clustering
cluster analysis
time-varying beta
Opis:
The beta parameter is a popular tool for the evaluation of portfolio performance. The Sharpe single-index model is a simple regression model in which the stock’s returns are regressed against the returns of a broader index. The beta parameter is a measure of the strength of this relation. Extensive recent research has proved that the beta is not constant in time and should be modelled as a time-variant coefficient. One of the most popular methods of the estimation of a time-varying beta is the Kalman filter. As the output of the Kalman filter, one obtains a sequence of the estimates of a time-varying beta. This sequence shows the historical dynamics of sensitivity of a company’s returns to the variations of market returns. The article proposes a method of clustering companies listed on the Warsaw Stock Exchange according to time-varying betas.
Źródło:
Econometrics. Ekonometria. Advances in Applied Data Analytics; 2019, 23, 2; 63-79
1507-3866
Pojawia się w:
Econometrics. Ekonometria. Advances in Applied Data Analytics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A study of the effect of temperature changes on the interpolating time counter
Autorzy:
Sondej, D.
Szplet, R.
Powiązania:
https://bibliotekanauki.pl/articles/114363.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
time interval measurement
time-to-digital conversion
two-stage interpolation
time counter
Opis:
This paper presents an analysis of the impact of ambient temperature changes on main parameters of the interpolating time counter. The performed tests reveal that a relatively small change in the ambient temperature of 1°C causes a measurement error of the counter as large as 3.5 ps. The thorough research of two stages of interpolation of the counter allowed determining the main sources of the error. One of them is the temperature drift of widths of four-phase clock (FPC) segments in the first interpolation stage (FIS). It equals 2.5 ps/°C. The widths of FPC phases directly influence the active range of the second interpolation stage (SIS) and its offset. The test results also show that the temperature drift of the offset has a greater impact on the measurement accuracy than the temperature-driven changes of quantization steps in SIS. The presented conclusions are the first step to develop a new method for reducing the impact of changes in the ambient temperature on the measurement accuracy of the interpolating time counter.
Źródło:
Measurement Automation Monitoring; 2015, 61, 7; 302-304
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of approximation methods of positive stable continuous-time linear systems by positive stable discrete-time systems
Autorzy:
Kaczorek, T.
Powiązania:
https://bibliotekanauki.pl/articles/140634.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
approximation
continuous-time
discrete-time
positive system
Opis:
The positive asymptotically stable continuous-time linear systems are approximated by corresponding asymptotically stable discrete-time linear systems. Two methods of the approximation are presented and the comparison of the methods is addressed. The considerations are illustrated by three numerical examples and an example of positive electrical circuit.
Źródło:
Archives of Electrical Engineering; 2013, 62, 2; 345-355
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of time availability of the selected rescue service of a large city. A case study of Warsaw
Autorzy:
Sitek, Katarzyna
Pokojski, Wojciech
Gołębiowska, Izabela
Powiązania:
https://bibliotekanauki.pl/articles/1191759.pdf
Data publikacji:
2020
Wydawca:
Oddział Kartograficzny Polskiego Towarzystwa Geograficznego
Tematy:
time availability
emergency service
time isolines
Warsaw
Opis:
This article presents the GIS analysis of time availability of the Voivodship Emergency Ambulance and Sanitary Transport Station operates an Independent Public Health Care Facility “Meditrans” in Warsaw. The research focuses on determining the level of service for residents in each district with the emergency service station. In addition, an attempt was made to improve accessibility on the example of three selected districts. The authors attempt to select methodology of planning the location of the emergency service station in order to optimize the level of service for residents.
Źródło:
Polish Cartographical Review; 2020, 52, 4; 176-186
2450-6974
Pojawia się w:
Polish Cartographical Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A time interval generator with the STM32 microcontroller
Autorzy:
Sawicki, M.
Różyc, K.
Powiązania:
https://bibliotekanauki.pl/articles/114557.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
microcontroller
time delay
time-to-digital converter
Opis:
The paper presents a concept of utilization of counter-timer circuits built in popular microcontrollers for generating precise time intervals. The main aim was to generate pulses START and STOP wholly in hardware without using a core of the microcontroller. This enables minimizing the value of time jitter of the generated time intervals and allows the use of remaining resources of the microcontroller freely. The introduced method of generation exploits the possibility of simultaneous synchronization of TIM2 and TIM3 timers from an overloaded TIM1 timer. Dependent timers work in One Pulse Mode. START and STOP signals are generated by PWM channels of individual timers. PWM channels can be configured independently which gives the possibility to generate START and STOP pulses of different polarity and width. Generation of a time interval can be triggered automatically (TIM1) or through one of the inputs of the microcontroller. The implemented generator is characterized by the generated range of time interval from 0 to 100 s and the resolution of 40 ns. The jitter of 100 ps was obtained. The concept is suitable to apply in any microcontroller of the STM32 family. It allows the generation of precise and adjustable delays in the application without the need to significantly expand a hardware part of the device.
Źródło:
Measurement Automation Monitoring; 2015, 61, 7; 296-298
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 2485

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