scholarly journals Packaging based on polymeric materials

2005 ◽  
Vol 59 (11-12) ◽  
pp. 293-310
Author(s):  
Slobodan Jovanovic ◽  
Predrag Zivkovic ◽  
Dragoslav Stoiljkovic

In the past two years the consumption of common in the developed countries world wide (high tonnage) polymers for packaging has approached a value of 50 wt.%. In the same period more than 50% of the packaging units on the world market were made of polymeric materials despite the fact that polymeric materials present 17 wt.% of all packaging materials. The basic properties of polymeric materials and their environmental and economical advantages, providing them such a position among packaging materials, are presented in this article. Recycling methods, as well as the development trends of polymeric packaging materials are also presented.

Author(s):  
K B L Wadhwa

This paper traces the steps taken by the Research Designs and Standards Organisation (RDSO) of Indian Railways in the past to improve the metre gauge bogie design, which resulted in crossing the age-old speed barrier of 75 km/h, initially in 1977, when the Pink City Express was introduced at a maximum permissible speed of 100 km/h. The ‘Sperling ride index’ achieved at that time at the 110 km/h test speed was nearing 3.2 in the lateral mode and 3.33 in the vertical mode. Major design modifications are described that were carried out in the conventional metre gauge bogie/body, using indigenous technology, while designing high-tech metre gauge (MG) coaches. These are suitable for running on Indian Railways' track at a maximum permissible speed of 120 km/h and at the same time provide superior riding characteristics (with sperling ride index restricted to 2.75) comparable to those available on the main line coaches of 1000 mm gauge in the developed countries of the world.


2020 ◽  
Vol 8 (4) ◽  
pp. 51-59
Author(s):  
Milorad Pušara

This paper presents the current condition of the insurance market by creating an unpretentious review and pointing to the current deficiency of the insurance system in Serbia. It outlines some ideas that might solve certain issues and improve the current situation. Referred innovations that were introduced last year in the world market are very useful and can also serve as a good standard for joining the global insurance. Last but not least, the paper addresses the segment of insurance frauds as alarming incidences in need of attention. If we consider the "Basic Elements of Insurance", risk, premium, and indemnity, and if we follow the development of the insurance throughout the world, we recognize that technology development and reduced business costs imply greater risks, a growing range of new products, decreased premium, and stimulating increase of the Indemnity. This leads us to the conclusion that we must enter the race with the developed countries and accept the way of their business management by following the latest innovations in the insurance market in order to be competitive and competent.


2019 ◽  
Vol 1 (9(39)) ◽  
pp. 38-43
Author(s):  
Oleg M. Chechel

The article examines the issues related to state regulation of the economy during the crisis, considered the problems of determining the feasibility and effects of state regulation in times of crisis, proved that the market economy, due to its inherent weaknesses, is prone to causing the crisis. This process is objective and cyclical. In the past decade, the number of crises, including the world, has increased significantly, which is associated with the growth of the financial sector. Permanent repetition of negative developments in the financial system and has a direct impact on the economy, which proves the need to strengthen state regulation in this sphere. The methods that can be used by different countries, in order to overcome the crisis in the economy was analyzed. It is proved that the administrative methods of crisis management, as a rule, are used in countries where market laws are not effective enough. In turn, in the economically more developed countries are used market-based instruments of crisis management. The features of state regulation of economy in some countries during the recent global economic crisis was investigated. It was found that, in spite of such a list of measures to counter the crisis in the developed countries, they have some differences, primarily related to the specific characteristics and structure of the economy. It was determined that in all the years of independence, the national economy has repeatedly been in crisis, at the same time, even though the experience gained so far has not created an effective mechanism to counter these negative phenomena.


Author(s):  
A. M. Levina

Research objective — to create model of obtaining competitive advantages the hi-tech companies. The method of the qualitative and comparative analysis which allows to receive a set of successful and unsuccessful configurations – combinations of factors which bring is chosen or don't lead to desirable result. The model is urged to promote formation of steady competitive advantage — a stable fast conclusion of a large number of qualitative and demanded innovations to the world market. Two successful scenarios for the sector companies "Electronics and technical providing" are revealed. If the company functions in various branches, it needs to concentrate on increase of liquidity and business combination by acquisition affiliated and creations of joint ventures in the macroregion. Managers of the hi-tech companies of the developed countries can use the developed model during the developing and correction of strategy, and also at adoption of administrative decisions. The separate specified factors and were considered earlier in literature, their association in the specified scenario models for obtaining competitive advantages is new development.


2000 ◽  
Vol 122 (12) ◽  
pp. 46-51
Author(s):  
Henry Petroski

This article highlights the pervasiveness of the products and processes of engineering in having improved the quality of life in the developed countries of the world. The airplane and its associated infrastructure of airports and ticketing schemes have come a long way since the Wright Brothers’ first flight in 1903, and the ensemble that goes under the rubric ‘airplane’ certainly warrants recognition as achievement. All the engineering achievements that have been identified as among the greatest of the past century leave room for improvement. Air conditioning and refrigeration are among the more domestic achievements of 20th century engineering, but at exactly what stage they became so is hard to say. Refrigerators especially came a long way in the second half of the century. Well-controlled air conditioning, for all the technological progress made in the field since air was fanned over a block of ice, seems to remain one of the great open problems of mechanical engineering. All achievements, engineering and otherwise, are relative to their time and circumstances.


The Eye ◽  
2019 ◽  
Vol 21 (128) ◽  
pp. 19-22
Author(s):  
Gregory DeNaeyer

The world-wide use of scleral contact lenses has dramatically increased over the past 10 year and has changed the way that we manage patients with corneal irregularity. Successfully fitting them can be challenging especially for eyes that have significant asymmetries of the cornea or sclera. The future of scleral lens fitting is utilizing corneo-scleral topography to accurately measure the anterior ocular surface and then using software to design lenses that identically match the scleral surface and evenly vault the cornea. This process allows the practitioner to efficiently fit a customized scleral lens that successfully provides the patient with comfortable wear and improved vision.


1997 ◽  
Vol 14 (2) ◽  
pp. 172-187
Author(s):  
Arif Sultan

Within a short span of time a number of economic blocs have emergedon the world horizon. In this race, all countriedeveloped, developingand underdeveloped-are included. Members of the North America FreeTrade Agreement (NAITA) and the European Economic Community(EEC) are primarily of the developed countries, while the EconomicCooperation Organization (ECO) and the Association of South EastAsian Nations (ASEAN) are of the developing and underdevelopedAsian countries.The developed countries are scrambling to create hegemonies throughthe General Agreement on Tariff and Trade (GATT). In these circumstances,economic cooperation among Muslim countries should be onthe top of their agenda.Muslim countries today constitute about one-third of the membershipof the United Nations. There are around 56 independentMuslim states with a population of around 800 million coveringabout 20 percent of the land area of the world. Stretchingbetween Atlantic and the Pacific Oceans, the Muslim Worldstraddles from North Africa to Indonesia, in two major Islamicblocs, they are concentrated in the heart of Africa to Indonesia,in two major blocs, they are concentrated in the heart of Africaand Asia and a smaller group in South and Southeast Asia.'GATT is a multilateral agreement on tariffs and trade establishing thecode of rules, regulations, and modalities regulating and operating internationaltrade. It also serves as a forum for discussions and negotiations ...


2010 ◽  
Vol 27 (4) ◽  
pp. 23-44
Author(s):  
Ruzita Mohd. Amin

The World Trade Organization (WTO), established on 1 January 1995 as a successor to the General Agreement on Tariffs and Trade (GATT), has played an important role in promoting global free trade. The implementation of its agreements, however, has not been smooth and easy. In fact this has been particularly difficult for developing countries, since they are expected to be on a level playing field with the developed countries. After more than a decade of existence, it is worth looking at the WTO’s impact on developing countries, particularly Muslim countries. This paper focuses mainly on the performance of merchandise trade of Muslim countries after they joined the WTO. I first analyze their participation in world merchandise trade and highlight their trade characteristics in general. This is then followed by a short discussion on the implications of WTO agreements on Muslim countries and some recommendations on how to face this challenge.


Author(s):  
Viktoriya Bondarenko

The level of economic development of entrepreneurship in any country in the world is crucial in increasing the competitiveness of the national economy in the world market of goods and services. The activities of economic entities are the driving force for the sustainable development of regions and their suburban areas, and they also impact the welfare of population. The article dwells on the analysis of scientific approaches to the regulation of economic development of enterprises in suburban areas of the region. The article analyzes the scientific approaches to the regulation of economic development of enterprises in suburban areas of the region. According to the well-known classics of the fundamental economic theory of entrepreneurship development (A. Smith, D. Ricardo, V. Laungard, A. Loria) the peculiarities of economic development of entrepreneurship in suburban territories of the region are determined by the possibility of distribution of surplus production, minimum production costs per unit of production, availability of labor resources. In modern economic theory (M. Weber, A. Pre, S.M. Kimelberg, E. Williams, C. Vlachou, O. Iakovidou, J. van Dijk, P. Pellenbarg) the development of entrepreneurship in suburban areas of the region can be determined by institutional, innovation, technological, social, ecological and other features of the economy at the regional, state or world levels. The complex and comprehensive generalization of the features of economic development of entrepreneurship in suburban areas is proposed. There are (1) the type of decision taken by an enterprise to carry out business activities in the relevant suburban area of the region, and (2) the influence of internal and external factors on economic activity. The article argues that large enterprises are guided by more objective decision-making reasons, attaching the most importance to the physical and innovative environment. Medium and small enterprises are mainly focused on getting benefits for the entrepreneur in the short-term time period and location in the nearest geographic area. The attention was paid to the tools of ensuring economic development of entrepreneurship in suburban areas of the region, taking into account institutional changes in the national economy and the experience of developed countries of the world.


1999 ◽  
Vol 40 (1) ◽  
pp. 97-104
Author(s):  
Susan Brady

Over the past decade academic and research libraries throughout the world have taken advantage of the enormous developments in communication technology to improve services to their users. Through the Internet and the World Wide Web researchers now have convenient electronic access to library catalogs, indexes, subject bibliographies, descriptions of manuscript and archival collections, and other resources. This brief overview illustrates how libraries are facilitating performing arts research in new ways.


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