scholarly journals Safety Concern of Nanomaterials

2019 ◽  
Vol 27 (44) ◽  
pp. 121-128
Author(s):  
Alica Bartošová ◽  
Tatyana Nikolaevna Ivanova
Keyword(s):  
21St Century ◽  
Safety Assessment ◽  
Safety Concern ◽  
Present Review ◽  
Safety Issues ◽  
Current State ◽  
The Impact

Abstract Nanomaterials are sure to take an important part in shaping the 21st century. Nevertheless, their increasing application in many fields of the industry also turns attention to the impact on health and environment. To achieve this goal, it is necessary to fully understand the influence of nanoparticles on the environment and the relevant safety issues. The aim of the present review is to characterise the current state of regulation and legislation of nanomaterials, as well as the factors of safety assessment and their toxicity.

scholarly journals INFRASTRUCTURE OF LOGISTIC WALKING FLOWS IN THE CONTEXT OF THE PUSH I PULL CONCEPT

2021 ◽  
Author(s):  
Lubov Lipych ◽  
Oksana Khilukha ◽  
Myroslava Kushnir
Keyword(s):  
Personal Space ◽  
Group Behavior ◽  
Transport Processes ◽  
Social Characteristics ◽  
Cultural Norms ◽  
Pull System ◽  
Safety Issues ◽  
Current State ◽  
Pedestrian Traffic ◽  
The Impact

Due to the limited safety of pedestrians, as well as the ability to direct their movement according to the established infrastructure, the analysis of the impact of factors consistent with the concept of push/pull, seems justified and useful. The aim of the article is to try to apply the concepts of push / pull in terms of the impact of logistics infrastructure on the nature of pedestrian traffic. The components of the logistics infrastructure related to the movement of the population are public roads, roads of cities and other settlements, departmental (technological) roads, roads in private areas, providing access to external and internal vehicles and passengers. The nature of pedestrian traffic is determined by the decision-making process of a certain person when moving along a certain route. It is proved that the form and result of this process are influenced by psychological and social mechanisms. It is established the main psychological and social characteristics of pedestrian traffic: maintaining personal space, as a result of which people prefer to «move for», keeping a distance of ten or several tens of centimeters; avoidance of direct impact of discomfort (psychological and physical), ie «movement from» different intensities, depending on the scale of the projected threat; minimization of efforts that cause «movement against» the shortest way; conformism (tendency to succumb to group behavior and attitude to novelty, different levels of which determine belonging to groups of innovators, early followers, early majority, late majority and conservatives); cultural norms (modification of behavior based on the influence of learned principles). The article presents models of simple situations of pedestrian traffic, which in practice demonstrate the influence of determinants of push/pull factors. It is substantiated that simulation of pedestrian traffic allows to increase its safety. Pedestrian safety issues are particularly important due to the high risk of accidents and their impact on other transport processes. However, the current state of knowledge about the determinants of the push / pull system does not yet allow such a free and comprehensive modeling.

scholarly journals Explaining Consumers’ Intention for Traceable Pork regarding Animal Disease: The Role of Food Safety Concern, Risk Perception, Trust, and Habit

2020 ◽  
Vol 2020 ◽  
pp. 1-13
Author(s):  
Huy Duc Dang ◽  
Giang Thanh Tran
Keyword(s):  
Food Safety ◽  
Perceived Risk ◽  
Purchase Intention ◽  
Structural Equation ◽  
Safety Concern ◽  
African Swine Fever ◽  
Animal Disease ◽  
Safety Issues ◽  
Tpb Model ◽  
The Impact

Purpose. The aim of this paper is to explain a consumers’ intention for traceable food in the context of the African Swine Fever (ASF) outbreak, in order to provide scientific knowledge for the government’s intervention to mitigate the perceived risk and to promote the development of traceable food. Methodology. This research employed an extended theory of planned behavior (TPB) model in predicting purchase intention/attitude toward traceable pork. The structural equation analysis (SEM) was used on a sample of 230 students in Vietnam. Findings. The current context of food safety issues, as well as animal disease outbreak, is beneficial to direct consumption toward traceable products. Heterogeneous impacts of trust were confirmed on how consumers perceived risks associated with the ASF outbreak. Consumers’ habits of shopping places and looking for the product origin incite the positive attitude toward traceable pork. Food safety concerns also promoted a positive purchase attitude. Originality/Value. The study’s objective is first to equip knowledge regarding the consumers’ intention toward traceable food under the impact of animal disease, particularly in the context of food safety issues in Vietnam. Extended knowledge promotes tailored policies to regain consumers’ confidence and facilitate the development of traceable food.

Another Dodecade: A Dialectic Model of the Decentred Universe of Jeremiah Studies 1996—2008

2009 ◽  
Vol 8 (2) ◽  
pp. 162-182
Author(s):  
Claire E. Carroll
Keyword(s):  
Biblical Interpretation ◽  
Biblical Studies ◽  
Present Review ◽  
Paradigm Shifts ◽  
Historical Criticism ◽  
Current State ◽  
Literary Theories ◽  
Ways Of Thinking ◽  
The Impact ◽  
Dominant Paradigm

In the years since the publication of Robert Carroll’s ‘Surplus Meaning and the Conflict of Interpretations: A Dodecade of Jeremiah Studies (1984—95)’, in Currents 4 in 1996, major paradigm shifts in biblical studies have resulted in an unprecedented level of innovation. Increased engagements with the element of chaos in the text and the resultant innovative encounters with this problematic scriptural material include influential contributions from philosophy, cultural and literary theories. The present review surveys the current state of the field of Jeremiah studies by tracing the impact of post-structuralist methodologies of decentring on ways of thinking about and engaging with Jeremiah. It argues that in the aftermath of the widely acknowledged end of the hegemony of historical-criticism as the dominant paradigm of biblical interpretation articulated by Perdue as ‘the collapse of history’, Jeremiah studies has taken on the shape and nature of a dialectic between the principles of order and chaos.

The Development of Agritourism in the Podkarpackie Voivodeship in the Light of International and National Conditions

2017 ◽  
Vol 13 ◽  
pp. 244-261
Author(s):  
Mariola Tracz ◽  
Małgorzata Bajgier-Kowalska ◽  
Radosław Uliszak
Keyword(s):  
Development Strategy ◽  
Current State ◽  
Central Statistical ◽  
Central Statistical Office ◽  
Tourism Resources ◽  
The One ◽  
The Impact ◽  
District Offices ◽  
Socio Economic Factors

Podkarpackie Voivodeship is one of the regions of Poland in which the number of agritourism entities is very high. Therefore tourism plays a significant role in its development strategy. The aim of the paper is to identify the current state of agritourism and the changes that have occurred in the region in the years 2000–2016. Specific objectives are to determine the distribution of agritourism farms and their offer, together with a comprehensive analysis of the environmental and socio-economic factors, as well as the impact of the Slovak-Ukrainian border. The report was developed on the statistical materials from the Polish Central Statistical Office, Podkarpackie Agricultural Advisory Centre in Boguchwała and data collected from municipalities and district offices that is published on their websites, as well as through interviews with 100 owners of agritourism farms in the Podkarpackie Voivodeship. The research has shown, on the one hand, the decline in the number of farms in the region and, on the other hand, the increase in the diversity of the tourist offer of these entities. Distribution of agritourism farms is closely linked to the attractiveness of natural environment and quality of secondary tourism resources. Traditional agritourism has not yet fully used its countryside, as well as cross-border advantages of its location.

Artificial Intelligence and Inequality in the Middle East

2020 ◽  
pp. 624-649 ◽  
Author(s):  
Nagla Rizk
Keyword(s):  
Artificial Intelligence ◽  
Human Resources ◽  
Young Population ◽  
Mena Region ◽  
Poor Countries ◽  
Current State ◽  
Resource Poor ◽  
Youth Entrepreneurship ◽  
The Arab Spring ◽  
The Impact

This chapter looks at the challenges, opportunities, and tensions facing the equitable development of artificial intelligence (AI) in the MENA region in the aftermath of the Arab Spring. While diverse in their natural and human resource endowments, countries of the region share a commonality in the predominance of a youthful population amid complex political and economic contexts. Rampant unemployment—especially among a growing young population—together with informality, gender, and digital inequalities, will likely shape the impact of AI technologies, especially in the region’s labor-abundant resource-poor countries. The chapter then analyzes issues related to data, legislative environment, infrastructure, and human resources as key inputs to AI technologies which in their current state may exacerbate existing inequalities. Ultimately, the promise for AI technologies for inclusion and helping mitigate inequalities lies in harnessing grounds-up youth entrepreneurship and innovation initiatives driven by data and AI, with a few hopeful signs coming from national policies.

scholarly journals Smoothing additive manufactured parts using ns-pulsed laser radiation

2021 ◽  
Author(s):  
Florian Kuisat ◽  
Fernando Lasagni ◽  
Andrés Fabián Lasagni
Keyword(s):  
Surface Roughness ◽  
Mechanical Performance ◽  
State Of The Art ◽  
Pulsed Laser ◽  
Industrial Applications ◽  
Laser Source ◽  
Pulsed Laser Radiation ◽  
Current State ◽  
The Impact

AbstractIt is well known that the surface topography of a part can affect its mechanical performance, which is typical in additive manufacturing. In this context, we report about the surface modification of additive manufactured components made of Titanium 64 (Ti64) and Scalmalloy®, using a pulsed laser, with the aim of reducing their surface roughness. In our experiments, a nanosecond-pulsed infrared laser source with variable pulse durations between 8 and 200 ns was applied. The impact of varying a large number of parameters on the surface quality of the smoothed areas was investigated. The results demonstrated a reduction of surface roughness Sa by more than 80% for Titanium 64 and by 65% for Scalmalloy® samples. This allows to extend the applicability of additive manufactured components beyond the current state of the art and break new ground for the application in various industrial applications such as in aerospace.

scholarly journals A Model-Based Tool for Assessing the Impact of Land Use Change Scenarios on Flood Risk in Small-Scale River Systems—Part 1: Pre-Processing of Scenario Based Flood Characteristics for the Current State of Land Use

Hydrology ◽  
2021 ◽  
Vol 8 (3) ◽  
pp. 102
Author(s):  
Frauke Kachholz ◽  
Jens Tränckner
Keyword(s):  
Land Use ◽  
River Flow ◽  
Land Use Changes ◽  
Small Rivers ◽  
Small Scale ◽  
Model Parameters ◽  
Ungauged Catchments ◽  
Model Based ◽  
Current State ◽  
The Impact

Land use changes influence the water balance and often increase surface runoff. The resulting impacts on river flow, water level, and flood should be identified beforehand in the phase of spatial planning. In two consecutive papers, we develop a model-based decision support system for quantifying the hydrological and stream hydraulic impacts of land use changes. Part 1 presents the semi-automatic set-up of physically based hydrological and hydraulic models on the basis of geodata analysis for the current state. Appropriate hydrological model parameters for ungauged catchments are derived by a transfer from a calibrated model. In the regarded lowland river basins, parameters of surface and groundwater inflow turned out to be particularly important. While the calibration delivers very good to good model results for flow (Evol =2.4%, R = 0.84, NSE = 0.84), the model performance is good to satisfactory (Evol = −9.6%, R = 0.88, NSE = 0.59) in a different river system parametrized with the transfer procedure. After transferring the concept to a larger area with various small rivers, the current state is analyzed by running simulations based on statistical rainfall scenarios. Results include watercourse section-specific capacities and excess volumes in case of flooding. The developed approach can relatively quickly generate physically reliable and spatially high-resolution results. Part 2 builds on the data generated in part 1 and presents the subsequent approach to assess hydrologic/hydrodynamic impacts of potential land use changes.

Of numbers, narratives and challenges: Data as evidence in 21st century policy-making

2020 ◽  
Vol 36 (4) ◽  
pp. 1043-1055
Author(s):  
Gaby Umbach
Keyword(s):  
21St Century ◽  
Policy Making ◽  
Evidence Use ◽  
The Third ◽  
Use Of Data ◽  
Science Advice ◽  
Governance Tools ◽  
The Impact

This article1 offers reflections on the use of data as evidence in 21st century policy-making. It discusses the concept of evidence-informed policy-making (EIPM) as well as the governance and knowledge effects of data as evidence. With this focus, it interlinks the analysis of statistics and politics. The paper first introduces the concept of EIPM and the impact of evidence use. Here it focusses on science and knowledge as resources in policy-making, on the institutionalisation of science advice and on the translation of information and knowledge into evidence. The second part of the article reflects on data as evidence. This part concentrates on abstract and concrete functions of data as governance tools in policy-making, on data as a robust form of evidence and on the effects of data on knowledge and governance. The third part highlights challenges for data as evidence in policy-making, among them, politicisation, transparency, and diversity as well as objectivity and contestation. Finally, the last part draws conclusions on the production and use of data as evidence in EIPM. Throughout the second part of the reflections, reference is made to Walter Radermacher’s 2019 matrix of actors and activities related to data, facts, and policy published in this journal.

scholarly journals Neuroimaging at Term Equivalent Age: Is There Value for the Preterm Infant? A Narrative Summary

Children ◽  
2021 ◽  
Vol 8 (3) ◽  
pp. 227
Author(s):  
Rudaina Banihani ◽  
Judy Seesahai ◽  
Elizabeth Asztalos ◽  
Paige Terrien Church
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Preterm Infant ◽  
Resonance Imaging ◽  
Long Term Outcomes ◽  
Equivalent Age ◽  
Current State ◽  
Patterns Of Injury ◽  
The Impact

Advances in neuroimaging of the preterm infant have enhanced the ability to detect brain injury. This added information has been a blessing and a curse. Neuroimaging, particularly with magnetic resonance imaging, has provided greater insight into the patterns of injury and specific vulnerabilities. It has also provided a better understanding of the microscopic and functional impacts of subtle and significant injuries. While the ability to detect injury is important and irresistible, the evidence for how these injuries link to specific long-term outcomes is less clear. In addition, the impact on parents can be profound. This narrative summary will review the history and current state of brain imaging, focusing on magnetic resonance imaging in the preterm population and the current state of the evidence for how these patterns relate to long-term outcomes.

scholarly journals Reducing Loneliness: The Impact of Mindfulness, Social Cognitions, and Coping

2021 ◽  
pp. 003329412199777
Author(s):  
Robin Besse ◽  
Whitney K. Whitaker ◽  
Laura A. Brannon
Keyword(s):  
Young Adults ◽  
Social Cognitions ◽  
Age Group ◽  
Coping Behaviors ◽  
Current Health ◽  
Current State ◽  
And Coping ◽  
Study Participants ◽  
The Impact ◽  
At Home

While many facets of loneliness have been explored, research examining the efficacy of loneliness interventions has been overlooked among young adults. The study of loneliness among young adults has become increasingly important considering the current state of isolation and stay-at-home orders issued to prevent the spread of COVID-19. Preliminary reports suggest an increase in loneliness as a result of the current health pandemic, especially among young adults, who have reported feeling lonelier than any other age group. Such findings warrant the study of ways to help reduce loneliness among young adults. The current study examined the efficacy of strategies that might be used to help young adults manage feelings of loneliness. Two hundred and seventy-eight young adults completed the study. Participants read one of four messages: mindfulness, social cognitions, coping behaviors, or a control. Participants in the mindfulness condition felt better equipped to manage future instances of loneliness and held better attitudes toward this intervention. The current research helps to advance understanding of effective ways of helping young adults cope with loneliness.

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