scholarly journals Economic Factors of Vacuum Rail’s Competitiveness in Poland Compared to Alternative Solutions

2020 ◽  
Vol 3 (1) ◽  
pp. 439-449
Author(s):  
Małgorzata Białas ◽  
Joanna Duda ◽  
Anna Surowiec
Keyword(s):  
Comparative Analysis ◽  
Competitive Advantage ◽  
Time Frame ◽  
Economic Factors ◽  
Key Factors ◽  
Price Changes ◽  
Long Time ◽  
Time Of Travel ◽  
Alternative Solutions

Abstract A comparative analysis of factors of vacuum rail’s competitiveness in Poland relative to other means of transport is presented. Only such determinants of competitiveness as price and time of travel are focussed on and compared with alternative solutions on selected routes. Impact of price changes on effectiveness of vacuum rail construction is additionally analysed. Investment effectiveness in the case of vacuum rail is considered in the long time-frame, given the time of infrastructure depreciation and of due return on sources of committed financing. The analysis helps to identify key factors which may decide competitive advantage of vacuum rail in Poland over other means of transport.

scholarly journals Analysis of rail yard and terminal performances

2014 ◽  
Vol 8 (2) ◽  
pp. 178-200 ◽  
Author(s):  
Marin Marinov ◽  
Leonardo Di Giovanni ◽  
Giulia Bellisai ◽  
Julian Clevermann ◽  
Anastasia Mastellou ◽  
...  
Keyword(s):  
Comparative Analysis ◽  
Critical Points ◽  
Network Performance ◽  
Logical Consequence ◽  
Time Frame ◽  
Key Factors ◽  
Railway Network ◽  
Rail Infrastructure ◽  
Different Types ◽  
Junction Points

One of the latest trends in the transport field is the increasing interest for the rejuvenation of the railway. It is considered to be a logical consequence of the gradual switch towards a more sustainable future in transports. Terminals and stations are considered to be the junction points between the various lines that constitute the railway network and can simply be described as points of arrival, departure and interchange of passengers or commodities. The most commonly used indicators that measure the level of their performance are time and cost. This study aims at exploring possible improvements that could be implemented to the infrastructure and the operation of terminals and stations in order to increase the efficiency level. Firstly, drawing upon grounded theory about rail infrastructure and terminals, a description is conducted, followed by a comparative analysis of the different types of existing terminals and stations. Secondly, the suggested improvements are presented in accordance with their time frame completion. The main contribution of this study is to illustrate the high significance of terminals, stations and yards, acknowledging them as crucial parts of the railway network, because as characterized and demonstrated in this study, their performance are key factors to the whole network performance, making the identification of their critical points and respective possible solutions, the final objective of this paper. In addition to this, emphasis is given to the need of improving and developing the existing terminal infrastructure and operations.

“YOUTH BULGES” IN EUROPE AND ASIA: HISTORICAL PERSPECTIVE AND ECONOMIC FACTORS OF RISK ACTIVATION

2020 ◽  
Vol 1 (6) ◽  
pp. 214-224
Author(s):  
Yu. V ZIN’KINA ◽  
Keyword(s):  
Population Structure ◽  
Historical Perspective ◽  
Scientific Literature ◽  
Political Stability ◽  
Economic Factors ◽  
Key Factors ◽  
Political Demography ◽  
Economic Nature

The article considers the phenomenon of “youth bulges” - the appearance in the population structure of numerous youth cohorts. The connection between the emergence of a “youth bulges” in society and the risks of political destabilization, which attracted the attention of a number of experts in the field of political demography, is analyzed and confirmed by examples from countries of two regions - Europe and Asia, where, unlike Europe, the influence of the phenomenon of “youth bulges” on political stability was not previously considered systematically. A significant layer of scientific literature has been analyzed and systematized, considering economic factors that increase the risk of political destabilization against the backdrop of a “youth bulges”; the key factors of an economic nature and their relationship with each other are highlighted.

scholarly journals Overview of Safety Measures at Selected Airports during the COVID-19 Pandemic

2021 ◽  
Vol 13 (15) ◽  
pp. 8499
Author(s):  
Monika Blišťanová ◽  
Michaela Tirpáková ◽  
Ľubomíra Brůnová
Keyword(s):  
Time Frame ◽  
Organizational Changes ◽  
Rt Pcr ◽  
Final Phase ◽  
Chain Reaction ◽  
Scoring Method ◽  
Safety Measures ◽  
Long Time ◽  
Polymerase Chain ◽  
Cleaning And Disinfection

The year 2020 was very challenging for the whole world, given the outbreak of the ongoing coronavirus-related pandemic, and was marked in particular by overcoming new hitherto unknown obstacles. For air transport, in particular, airlines stopped flying altogether and were forced to ground hundreds of planes worldwide involuntarily. Airports had to close their terminals for a long time, wholly suspend operations, and its resumption required significant organizational changes. This article summarizes the measures related to the COVID-19 pandemic adopted by airports to minimize the risk of spreading the disease. The article focuses on countermeasures and their implementation at selected airports in a specific time frame and airports’ behavior during a pandemic which varies depending on country and time of the year. The results demonstrated that steps being taken at airports include the use of face coverings or masks, social distance, enhanced cleaning and disinfection, or temperature checks and/or symptoms (fever, loss of smell, chills, cough, shortness of breath), RT-PCR (reverse transcription-polymerase chain reaction) screening and data collection with health declaration. These measures have now become an essential standard for the operation of airports and can, therefore, be used to assess the level of airport safety achieved. In the final phase, the article evaluates the level of achieved airport safety based on the proposed scoring method.

A “Natural” Proposal for Addressing Climate Change

2014 ◽  
Vol 28 (3) ◽  
pp. 359-363 ◽  
Author(s):  
Thomas E. Lovejoy
Keyword(s):  
Climate Change ◽  
Greenhouse Gases ◽  
Ethical Issues ◽  
Time Lag ◽  
Radiant Heat ◽  
Time Frame ◽  
Future Generations ◽  
Considerable Time ◽  
Long Time

One of the fundamental challenges of climate change is that we contribute to it increment by increment, and experience it increment by increment after a considerable time lag. As a consequence, it is very difficult to see what we are doing to ourselves, to future generations, and to the living planet as a whole. There are monumental ethical issues involved, but they are obscured by the incremental nature of the process and the long time frame before reaching the concentration of greenhouse gases and the ensuing accumulation of radiant heat—and consequent climate change—that ensues.

scholarly journals The measurement of competitiveness of forest green food industry in Yunnan Province

PLoS ONE ◽  
2021 ◽  
Vol 16 (12) ◽  
pp. e0261133
Author(s):  
Zhongming Li ◽  
Wei Fu ◽  
Thomas Bilaliib Udimal ◽  
Mingcan Luo ◽  
Jiancheng Chen
Keyword(s):  
Competitive Advantage ◽  
Food Industry ◽  
Yunnan Province ◽  
Evaluation Method ◽  
Full Potential ◽  
Fuzzy Evaluation ◽  
Key Factors ◽  
Green Food ◽  
Medium Level ◽  
Development And Utilization

Improvement in living standards has led to the development and utilization of forest green foods. The study seeks to examine the foundation and potential of forest green food industry in Yunnan Province. By constructing the industrial competitive advantage model, this paper measured and analyzed the competitiveness of forest green food industry in Yunnan Province from 2016 to 2020 by using fuzzy evaluation method and AHP. The conclusions were as follows: (1) The competitiveness of forest green food industry in Yunnan Province was at a medium level with competitiveness index of 83.98. (2) The competitive advantage of forest green food industry in Yunnan Province mainly depended on key factors such as natural endowment and education level. The area is however not having comparative advantage in general factors and important factors. Therefore, there is the need to put in place measures to realise the full potential of forest green food industry in the area by providing players in the sector with requisite skills.

scholarly journals A Review of Hybrid Electric Architectures in Construction, Handling and Agriculture Machines

2021 ◽  
Author(s):  
Francesco Mocera ◽  
Aurelio Somà
Keyword(s):  
Pollutant Emissions ◽  
Valuable Alternative ◽  
Specific Field ◽  
Current State ◽  
Long Time ◽  
Hybrid Electric ◽  
Application Fields ◽  
Work Done ◽  
Aftertreatment Systems ◽  
Alternative Solutions

Recent regulations on pollutant emissions have pushed working machines manufacturers towards research and development efforts to meet the strict limits imposed. For a long time, the use of gas aftertreatment systems have been the most widely accepted solution to reduce the amount of pollutants produced per unit of work done. However, lower emissions limits lead to larger systems and consequently higher difficulties in vehicle integration. Thus, alternative solutions have been studied in the last years to solve the emissions problem using wisely the on-board space. Hybrid electric technologies represent a valuable alternative in this direction. In this work, a review of the current state of the art in the adoption of hybrid and electric technologies on working vehicles is proposed. Due to the high amount of application fields and concepts for special applications, the analysis focused on the three major fields which however includes most of the working machines: Construction, Handling and Agriculture. This work highlights how the requirements of each specific field, strongly affects the design of an optimal hybrid electric architectures.

scholarly journals Development of a mathematical model for the process of modernization of a melon cleaning machine

2021 ◽  
Vol 3 (11 (111)) ◽  
pp. 88-95
Author(s):  
Marzhan Kizatova ◽  
Alibek Baikenov ◽  
Nurzhan Muslimov ◽  
Kadyrbek Baigenzhinov ◽  
Zhazira Yessimova
Keyword(s):  
Time Frame ◽  
Key Factors ◽  
Average Force ◽  
Operation Rules ◽  
Individual Unit ◽  
Equipment Modernization ◽  
Cleaning Machine ◽  
Cutting Knife ◽  
Production Automation ◽  
Competitive Products

The paper is devoted to the problem of increasing the efficiency of melon processing under limited production automation. Measures for equipment modernization should be carried out in accordance with the operation rules of each individual unit. In production conditions, all equipment, without exception, undergoes this process, while the corresponding documentation is drawn up, confirming the implementation of modernization within a certain time frame. In a competitive market environment, product quality is a causal factor for the sharp increase in risks for food industry enterprises. To produce quality and competitive products, you need equipment that helps to reduce costs. The disadvantages of most melon peeling designs are size instability in the thickness of the rind. The paper presents a solution to this drawback. This was achieved by changing the sharpening angle of the rind cutting knife. Research has been carried out to study the texture properties of “Mirzachulskaya” and “Raduzhnaya” melons. And also experiments on melon peeling based on the planning matrix of mathematical modeling. Based on the experiments, a model of the peeling process was constructed. The key factors to limit peeling waste were optimized. Calculations of the optimized parameters yielded the cutting knife sharpening angle of 40 degrees, a roller gap of 9 mm, as well as an average force applied of 1,375 N∙m. The data obtained can be used as a basis for the modernization of this machine for other melon varieties

scholarly journals US INVESTMENTS IN PRIORITY SECTORS OF THE ECONOMY OF KAZAKHSTAN

THE BULLETIN ◽  
2020 ◽  
Vol 5 (387) ◽  
pp. 199-207
Author(s):  
G. Т. Shakulikova ◽  
◽  
Zh. K. Yerzhanova ◽  
Zh. Zh. Gabbassova ◽  
R. A. Karabassov ◽  
...  
Keyword(s):  
Comparative Analysis ◽  
Stock Market ◽  
Foreign Investment ◽  
Mining Industry ◽  
Raw Material ◽  
Key Factors ◽  
Investment Funds ◽  
The Public ◽  
Advantages And Disadvantages ◽  
Returns On Investment

In the conditions of self-isolation, a small and medium business suffered as a result of a pandemic, however, large business remained afloat due to large “long money”. Large business in Kazakhstan is mainly a raw material business, i.e., the mining industry, as a priority, has not suspended its activities. The tasks in the field of attracting investment remained the same. For Kazakhstan, in the direction of attracting foreign investment, firstly, it is worth identifying competitive sectors of the economy. Secondly, clearly understand the key factors in the development of these industries. Thirdly, to conduct a comparative analysis and assess the advantages and disadvantages in relation to other countries, which will be the main competitors in this industry. Fourth, identify potential investors. Fifth, optimize the activities of the coordinating agency or body that is responsible for investments in Kazakhstan. For US investors, the stock market in Kazakhstan is very small. It presents mainly companies in the mining and financial sectors of the economy, as well as the public sector. The limited financing opportunities in the stock market do not allow providing higher returns on investment funds, and this in turn negatively affects the influx of potential investors and investors.

Non-Urban Societies of the Crimea and Their Response to Changes in the External World

2020 ◽  
Vol 26 (1) ◽  
pp. 26-82
Author(s):  
Valentina I. Mordvintseva
Keyword(s):  
Comparative Analysis ◽  
Material Culture ◽  
External World ◽  
Time Span ◽  
The Political ◽  
Political Sphere ◽  
Social Elites ◽  
The Crimea ◽  
Long Time ◽  
External Relationships

Abstract The paper presents a comparative analysis of burial assemblages of ‘barbarian’ élites located on the territory of the Crimea between Chersonesos Taurica and the Bosporan kingdom dating from the 3rd century BC to the mid-3rd century AD. The main goal of the research is to define indications of self-identities of the Crimean non-urban societies represented by their élites and to outline their networking inside and outside the peninsula as well as their changes during four chronological periods. The research is based on the precondition that networking in the political sphere is closely connected to the exchange of symbols of power and status. In material culture, such symbols might be represented by the so-called ‘prestige objects’. Changes in the assortment of these items observed over a long time-span are helping to visualize the development of internal and external relationships of social élites.

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