Search results for "source"
showing 10 items of 6139 documents
The nexus between big data and sustainability: an analysis of current trends and developments
2021
[EN] With the development of technological innovations, Big Data is transforming the socioeconomic world, impacting almost every organization and person. The transformations associated with the development of Big Data have important consequences for the sustainability of organizations, regions, and the society as a whole, and as such, they have been specifically addressed by the academic literature focusing on sustainability. Despite its importance, and perhaps because of its rapid emergence, there is a lack of studies dealing with the analysis of this body of literature and its trends. The current research attempts to fill this gap. The study develops a bibliometric and visualization analy…
Benthic foodweb structure in a large shallow lake studied by stable isotope analysis
2014
The benthic foodweb structure of Lake Võrtsjärv, a large (270 km2), shallow, and turbid Estonian lake, was evaluated based on C and N stable-isotope signatures (δ13C, δ15N). Variation in δ13C between sampling sites was not related to site proximity to the littoral zone or the more vegetated southern part of the lake, but rather appeared to be influenced by in-situ site peculiarities. δ13C was stable temporally and between functional feeding groups, a result implying that the whole benthic food web of the lake relies largely on the same C source admixture, essentially particulate organic matter (POM). Thus, the foodweb composition of Lake Võrtsjärv is remarkably homogeneous given the lake’s …
Tunnetyön kuormittavuus terveydenhuoltoalalla : palvelumotivaatio ja transformationaalinen johtajuus puskuroivina voimavaroina
2015
Tämän pro gradu -tutkielman tavoitteena oli kartoittaa tunnetyön kuormittavuutta suomalaisella terveydenhuoltoalalla. Työn vaatimusten ja voimavarojen mallia (JD-R) hyödyntäen tutkimme, kuinka tunnetyön kuormittavuus työn vaatimustekijänä ja transformationaalinen johtajuus sekä palvelumotivaatio työn voimavaratekijöinä ovat yhteydessä työuupumukseen. Tutkimusaineistoon valikoitui 1450 hoitotyöntekijää, joiden tunnetyön kuormittavuutta (mitattuna emotionaalisella dissonanssilla), palvelumotivaatioita, koettua transformationaalista johtajuutta ja työuupumusta (mitattuna uupumusasteisena väsymyksenä) kartoitettiin kyselylomakkeen avulla. Tutkimushypoteeseina oli, että tunnetyön kuormittavuus o…
Safety Evaluation of Turbo-Roundabouts with and without Internal Traffic Separations Considering Autonomous Vehicles Operation
2021
The paper presents a microsimulation approach for assessing the safety performance of turbo-roundabouts where Cooperative Autonomous Vehicles “CAVs” have been introduced into the traffic mix alongside conventional vehicles “CVs”. Based on the analysis of vehicle trajectories from VISSIM and subsequent analysis of traffic conflicts through the Surrogate Safety Assessment Model (SSAM), the research aims to evaluate the safety benefits of turbo-roundabouts where the lanes are physically separated by raised curbs, compared to roundabouts without such curbs. The paper will then describe the methodological path followed to build VISSIM models of turbo-roundabouts with and without raised curbs in …
Staying connected and feeling less exhausted : The autonomy benefits of after‐hour connectivity
2023
This study investigates the longitudinal relationship between after-hour connectivity, autonomy and exhaustion. In doing so, we seek to illuminate the role of individuals' connectivity to work in relation to their autonomy and well-being. We juxtapose different effective directions of the relationship between connectivity and autonomy to shed light on whether and how connectivity and autonomy are related to employees' well-being. This is important because research has both often problematized after-hour connectivity and suggested that connectivity is an inherent feature of contemporary workplaces that may benefit employees. In this study, we hypothesize that after-hour connectivity increase…
The EU Human Resource Strategy for Researchers and the working conditions of Finnish fixed-term re-searchers
2015
The Charter and Code incorporating the Human Resource Strategy for Researchers (HRS4R) is a European Commissions initiative to make researchers’ careers more attractive, and increase, and support the mobility of researchers by standardizing the researchers’ careers in EU area. The reputation of the quality of the working life in Finland has been fairly good. However, the university employees’ working conditions are often very precarious. In this article, we study the discrepancy between HRS4R action plans of ten Finnish universities and the survey data dealing the fixed term -researchers working conditions. peerReviewed
Posting and agency work in British construction and hospitality: the role of regulation in differentiating the experiences of migrants
2017
This article engages with IHRM debates on the transnational regulation of labour, exploring how migration policy and work fragmentation affect employment dynamics in multi-employer settings. It dra...
Electrooxidation of diesel fuel in alkaline electrolyte
2016
In recent decades the demand of energy has increased significantly.Providing more and more energy is an essential task of today’s energetic industry. In the last few years, addition to traditional methods of energy production, alternative energy sources have been developing fast.One of these sources is fuel cell, mainly due to their high efficiency. Generally fuel cells are powered by hydrogen. However, problems with the storage of hydrogen are the reason for the search of new fuels for fuel cells. Moreover, fuel cells can provide an additional/emergency electricity source in energy systems using combustion engines. So, it is important using the main fuel for powering the fuel cell. One of …
Pulsed flow-through cultivation of Margaritifera margaritifera : effects of water source and food quantity on the survival and growth of juveniles
2020
AbstractConservation of the endangered freshwater pearl mussel (FPM) includes artificially rearing juveniles, but the pulsed flow-through (PFT) method, enabling the continuous renewal of water and food in culture containers, has not been applied to FPM. This study tested the PFT method in culture of FPM juveniles, and the effect of water source (tap vs well water) and food concentration (mixture of commercial phytoplankton products) on the survival and growth of juveniles. Beaker-specific survival rates varied from 0 to 100% (mean: 34%) and from 0 to 58% (mean: 16%) in the 1st (2-week) and 2nd (10-week) experiment, respectively. In the 1st experiment, juveniles attained statistically signif…
Parte I cap I I principi del diritto agrario contemporaneo e le fonti
2021
The chapter aims to provide the main indications about the current principles of agricultural law and their implementation through the various national and supranational regulatory sources.