scholarly journals Entropy and fractal nature

2020 ◽  
Vol 24 (3 Part B) ◽  
pp. 2203-2212
Author(s):  
Vojislav Mitic ◽  
Goran Lazovic ◽  
Jelena Manojlovic ◽  
Wen-Chieh Huang ◽  
Mladen Stojiljkovic ◽  
...  
Keyword(s):  
Point Of View ◽  
Experimental Results ◽  
Substantial Part ◽  
Fractal Nature ◽  
Fractal Structures ◽  
Meeting Point ◽  
Order And Disorder ◽  
Euclidian Geometry ◽  
Disorder Chaos

Existing, the biunivocal correspondents between the fractal nature and the nature discovered by fractals is the source and meeting point from those two aspects which are similar to the thermodynamically philosophical point of view. Sometimes we can begin from the end. We are substantial part of such fractals space nature. The mathematics fractal structures world have been inspired from nature and Euclidian geometry imagined shapes, and now it is coming back to nature serving it. All our analysis are based on several experimental results. The substance of the question regarding entropy and fractals could be analyzed on different ceramics and materials in general. We have reported the results based on consolidation BaTiO3- ceramics by the standard sintering technology, performed with BaTiO3 and different additives (MnCO3, CeO2, Bi2O3, Fe2O3, CaZrO3, Nb2O5, Er2O3, Yt2O3, Ho2O3). Thermodynamic principles are very important. Beside the energy and temperature, the entropy as a measure between the order and disorder (chaos) is very important parameter. In this paper, we establish the relation between the entropy and fractal that opens new frontiers with the goal to understand and establish the order-disorder relation.

Die intrinsische Systemreaktion des tribologisch beanspruchten Schmierfettes

2021 ◽  
Author(s):  
Erik Kuhn
Keyword(s):  
Driving Forces ◽  
Observation Point ◽  
Point Of View ◽  
Experimental Results ◽  
Research Paradigm ◽  
Lubricating Grease ◽  
New Research

This article deals with the observed reactions of a lubricating grease to tribological stress. An attempt is made to find the driving forces describe that are responsible for the intrinsic response. From these considerations, a new research paradigm is derived that leaves the traditional observation point of view. The investigations are illustrated with experimental results.

UNEXPECTED BEHAVIOR IN THE CROSSING OF MICROWAVE AND OPTICAL BEAMS

2005 ◽  
Vol 19 (27) ◽  
pp. 1403-1410 ◽  
Author(s):  
E. ALLARIA ◽  
R. MEUCCI ◽  
D. MUGNAI ◽  
A. RANFAGNI ◽  
C. RANFAGNI
Keyword(s):  
Lorentz Invariance ◽  
Point Of View ◽  
Experimental Results ◽  
Light Velocity ◽  
Broken Lorentz Invariance ◽  
Points Of View ◽  
Optical Beams ◽  
Definite Solution ◽  
Unexpected Behavior

The question of the superluminal speed of information was stopped at crossroads in the last few years. According to one point of view, this speed must be limited to the light velocity in vacuum, whereas a different point of view is more open in this respect and, under specific conditions, this limit is considered surmountable. Very recently, a third approach (based on the hypothesis of a local broken Lorentz-invariance) was proposed and, if confirmed, would go beyond the controversy of the two points of view mentioned above. It is therefore worthwhile to recall attention to this problem, which is far from having a definite solution. The present paper reports some experimental results (similar to those of Ref. 1) which can contribute to these discussions, and also considers the fact that they seem to give some support to the aforesaid third approach, although revised in terms of decaying waves.

scholarly journals Vector Representation for the Soil Erosion Model USLE,

1970 ◽  
Vol 66 (2) ◽  
Author(s):  
Petru CARDEI ◽  
Vasile HEREA ◽  
Vergil MURARU ◽  
Raluca SFARU
Keyword(s):  
Soil Erosion ◽  
Rainfall Event ◽  
Point Of View ◽  
Experimental Results ◽  
Vector Representation ◽  
Vector Form ◽  
Vector Graphics ◽  
Erosion Model ◽  
Daily Amount ◽  
Annual Period

This article presents a mathematical viewpoint as vector form on estimating the risk of erosion due to water action, starting from the original USLE. We started with a vector representation of pluviometric regime. Daily amount of rain during a year can be in the form vector graphics. This representation is equivalent to a vector. Starting from this representation is computed the factor of the rain erosivity. We found that other factors in the USLE formula allowed the same type of representation. These representations have been used in the daily calculating for the erosion. This point of view extends the USLE model using to the rainfall event erosivity assessment, similarly with the RUSLE models. This vision permit the comparison between the possible divisions of the annual period: month, weeks, days, hours, minutes or seconds. In this article the solution test are made by comparison of the result with experimental results obtained in the Valea Calugareasca vineyard.

scholarly journals FRACTALS, NATURAL DISASTERS AND ECOLOGICAL PROBLEMS OF MALDIVES

2018 ◽  
pp. 18-25
Author(s):  
Boyko Ranguelov ◽  
Fathimath Shadiya
Keyword(s):  
Local Population ◽  
Fractal Dimensions ◽  
Point Of View ◽  
Negative Consequences ◽  
Fractal Nature ◽  
Fractal Properties ◽  
Level Increase ◽  
Ocean Level ◽  
Ecological Problems ◽  
Negative Phenomena

A new idea about the fractal nature of Maldives archipelago is under investigation. The origin of this famous Maldivian islands’ country is still questionable from geodynamic point of view. The present study is focused to the assessment of the fractal properties and the coefficients of the nonlinearity (fractal dimensions) of the areal spatial distribution of the major atolls of the Maldives. This is the most vulnerable area in the world from point of view of the global warming and the possible negative consequences to the country and population from the ocean level increase. From another side the natural hazards (tsunamis, storms, etc.) are common negative phenomena attacking the country. The strongly developed tourism – more than 30% of the GDP and the increased urbanization is another factor creating ecological problems to the local population. The relationships between the fractal nature and the possible ways to avoid the pollution are also in the focus of this research.

scholarly journals The fractal nature as new frontier in microstructural characterization and relativization of scale sizes within space

2020 ◽  
Vol 34 (22) ◽  
pp. 2050421
Author(s):  
Vojislav V. Mitic ◽  
Goran Lazovic ◽  
Dragoljub Mirjanic ◽  
Hans Fecht ◽  
Branislav Vlahovic ◽  
...  
Keyword(s):  
Energy Storage ◽  
Fractal Analysis ◽  
Microstructural Characterization ◽  
Experimental Results ◽  
Fractal Nature ◽  
Advanced Ceramic ◽  
New Frontier

Today in the age of advanced ceramic civilization, there are a variety of applications for modern ceramics materials with specific properties. Our up-to date research recognizes that ceramics have a fractal configuration nature on the basis of different phenomena. The key property of fractals is their scale-independence. The practical value is that the fractal objects’ interaction and energy is possible at any reasonable scale of magnitude, including the nanoscale and may be even below. This is a consequence of fractal scale independence. This brings us to the conclusion that properties of fractals are valid on any scale (macro, micro, or nano). We also analyzed these questions with experimental results obtained from a comet, here 67P, and also from ceramic grain and pore morphologies on the microstructure level. Fractality, as a scale-independent morphology, provides significant variety of opportunities, for example for energy storage. From the viewpoint of scaling, the relation between large and small in fractal analysis is very important. An ideal fractal can be magnified endlessly but natural morphologies cannot, what is the new light in materials sciences and space.

Mechanistic Studies of Atomic Oxygen Reactions with Polymers and Combined Effects with Vacuum Ultraviolet Light

MRS Bulletin ◽  
2010 ◽  
Vol 35 (1) ◽  
pp. 35-40 ◽  
Author(s):  
Masahito Tagawa ◽  
Timothy K. Minton
Keyword(s):  
Atomic Oxygen ◽  
Vacuum Ultraviolet ◽  
Uv Light ◽  
Synergistic Effects ◽  
Low Earth Orbit ◽  
Point Of View ◽  
Experimental Results ◽  
Space Environment ◽  
Combined Effects ◽  
The Individual

AbstractThis article focuses on mechanistic aspects of hyperthermal atomic oxygen reactions with polymers, which are the major contributor to material degradation in low Earth orbit. Due to the importance of well-controlled experiments in the understanding of the reaction mechanisms, ground-based experimental results obtained by a hyperthermal atomic oxygen beam generated by laser detonation facilities are mainly surveyed. Combined effects of atomic oxygen and vacuum ultraviolet (VUV) light on fluorinated polymers are also described. Such combined effects of hyperthermal atomic oxygen and VUV light are important not only from a fundamental point of view but also for engineering purposes (i.e., methodology for ground-based space environmental simulation). The VUV-sensitive polymers, poly(methyl methacrylate), and Teflon fluorinated ethylene-propylene do not show significant synergistic effects. Instead, the effect of combining atomic oxygen and VUV light produces erosion of the polymer that is the sum of the erosion caused by atomic oxygen and UV light acting individually. The experimental results suggest that material erosion in a complicated space environment may be quantitatively predicted if the erosion yields caused by the individual action of atomic oxygen and VUV light are known.

Economic Impacts of the New European Banana Market Regime: The Case of Germany / Ökonomische Auswirkungen der neuen Bananenmarktordnung: Das Beispiel Deutschland

1999 ◽  
Vol 218 (1-2) ◽  
Author(s):  
Roland Herrmann
Keyword(s):  
Consumer Surplus ◽  
Import Demand ◽  
Point Of View ◽  
Substantial Part ◽  
Quota System ◽  
German Market ◽  
Economic Implications ◽  
Market Policy ◽  
The Eu ◽  
Banana Market

SummaryThe objectives of this paper are (i) to assess the actual economic implications of the new European banana policy on prices, consumption and trade in Germany within a theoretical and quantitative analysis; (ii) to elaborate the welfare implications of the European banana market policy on the German banana market from the national compared with the EU’s point of view. The new European banana market policy led to the introduction of a tariff quota system on the formerly unprotected German banana market. This caused a substantial increase in German import prices for bananas, e. g. in 1994 by 95 % compared with the hypothetical situation without trade protection. Further consequences were a strong reduction of import demand and clearly rising import expenditures, by 22 % and 53 % respectively in 1994. The new banana protection on the German market caused substantial losses in consumer surplus: 1039 mill. DM in 1994, as well as deadweight losses. The size of the deadweight losses was clearly higher from the German than from the EU’s point of view. High quota rents of European traders and budgetary gains at the EU level compensated a substantial part of German consumers’ welfare losses at the EU level. This is much less the case for Germany, given the allocation of import licences in the European banana trade and the common financial system in the EU. Strong and untargeted redistributive consequences were induced by the new European banana policy even within the EU.

A SELF-RECTIFYING BIPOLAR RRAM DEVICE BASED ON Ni/HfO2/n+-Si STRUCTURE

2014 ◽  
Vol 28 (04) ◽  
pp. 1450030
Author(s):  
YINGTAO LI ◽  
XINYU JIANG ◽  
CHUNLAN TAO
Keyword(s):  
Resistive Switching ◽  
High Density ◽  
Point Of View ◽  
The Self ◽  
Experimental Results ◽  
Schottky Junction ◽  
Conductive Filament ◽  
Switching Mechanism ◽  
Switching Characteristics

A bipolar RRAM device based on Ni / HfO 2/n+- Si structure with self-rectifying characteristics is demonstrated for high density cross-bar memory application. Experimental results indicate that Ni conductive filament generated at LRS plays an important role in resistive switching, resulting in the formation of a Schottky junction at the Ni -CF/n+- Si interface which determines the self-rectifying behavior at LRS. These results are very important from the point of view of understanding the self-rectifying switching mechanism and improving the resistive switching characteristics of self-rectifying RRAM devices.

STOCHASTIC BACKGROUND OF GRAVITATIONAL WAVES

2000 ◽  
Vol 09 (03) ◽  
pp. 361-368 ◽  
Author(s):  
PIA ASTONE ◽  
VALERIA FERRARI ◽  
MICHELE MAGGIORE ◽  
JOSEPH D. ROMANO
Keyword(s):  
Data Analysis ◽  
Gravitational Waves ◽  
Point Of View ◽  
Experimental Results ◽  
Stochastic Background ◽  
Theoretical Predictions ◽  
The Status

The search for a stochastic background of gravitational waves is very interesting, both from a cosmological and astrophysical point of view. We give here a brief summary of the status of theoretical predictions, experimental results and data analysis activities.

scholarly journals Eu Agrarian Policy Legal Framework as a Part of the Eu Development Practice / Právny Rámec Agrárnej Politiky Eú Ako Súčasť Eú Rozvojovej Praxe

2015 ◽  
Vol 4 (2) ◽  
pp. 15-18
Author(s):  
Tomáš Malatinec
Keyword(s):  
Agricultural Policy ◽  
Legal Framework ◽  
Point Of View ◽  
Substantial Part ◽  
Agrarian Policy ◽  
Eu Regions ◽  
Development Concept ◽  
Development Practice ◽  
The Eu

Abstract EU agrarian policy is one of the most extensive policies of the EU. The aim of this paper is to analyse the EU agrarian policy legal framework from the point of view of law & development concept. Final remarks are based on an analysis of three topics: (1st) law & development concept, (2nd) agrarian policies and development, and (3rd) EU concept of development. Results show position of the EU agrarian policy legal framework in the EU development practice. The EU agrarian policy legal framework might be labelled as “law in development”. Several instruments have been implemented, but their impact on development is not unequivocal. There is no doubt about role of law in development as well as that the EU agricultural policy is core policy for development of the EU regions. Based on interconnections and justification we can argue that the EU agrarian policy legal framework is a substantial part of internal EU development concept and practice.

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