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In this connection, investigations are also underway to find out possible mechanisms for improving cooling and lubricating properties of nanofluids. This paper presents a summary of published literature on the application of nano-enriched cutting fluid in various conventional metal removal processes, such as turning, milling, drilling and grinding. This paper also discusses the effects of different nano-enriched cutting fluids on various metal removal processes and factors influencing their process performance. Clean renewable electric power technologies are important in human life, a great number of thermal solar power plants with different configurations are being considered for deployment all over the world.

E-health technologies are accelerating health processes, improving their efficiency and increasing consumer commitment to health. EHealth technologies offer entirely new opportunities to consumers to observe and improve their health behaviours. During the examination of new health monitoring devices and applications that can be installed on smart devices, they found that their usage is not yet widespread, but consumers showed significant openness towards them.

Also consumers’ sensory investigations were made to study the judgement of four vegetable juices of different flavouring preserved with Hp treatment and marketed in the Czech republic. From https://patyicivil.hu/ among them the carrot juice proved to be a promising product also according to the Hungarian taste. It has also been stated that the consumers evaluated these products in general to be more natural and of fresher taste.

When metallic and non-metallic nanoparticles (less than 100 nm) are added to the base fluid, it is termed as a nanofluid. Due to excellent heat-carrying capacity, lubrication and rheological properties, nanofluids have gained immense importance for growing research activities. In the process, scientists are trying to develop new types of nano-cutting fluids, which are economic and eco-friendly.

REFLECTIONS ON THE RELATIONSHIP BETWEEN THE DECISION FRAMING AND CONSUMER BEHAVIOUR IN TOURISM

• In this work, CNTs were formed using black and white polystyrene plastics to demonstrate that off-the-shelf materials can be used as feedstock for growth of CNTs.
• The products in focus are emerging in tourism more often, frequently acting as foundations of tourist attractions built upon them, providing the receiving end with a unique and authentic force of attraction that follow the present trends.
• The discussion then focuses on two of the most suitable EC materials, WO 3 and NiO; we cover recent advances in basic physics and chemistry as well as the properties of flexible foil-type devices combining the two oxides.
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• Radial breathing modes from Raman spectroscopy indicate single walled CNTs (SWCNTs) with diameters ranging from 0.8 to 1.55 nm and this matches well with TEM observations of SWCNTs with 1.5 nm diameter.

The products in focus are emerging in tourism more often, frequently acting as foundations of tourist attractions built upon them, providing the receiving end with a unique and authentic force of attraction that follow the present trends. The aim of our study was to explore tourists’ needs for local products and the role of local food in regional tourism services. The region of our empirical research was the area of Baranya and Tolna counties in Southern Hungary where we analyzed local producers’ and their consumers’ attitudes towards local products. In metal removal processes, the role of cooling and lubricating fluid is very crucial for improving the performance of machining.

REFLECTIONS ON THE RELATIONSHIP BETWEEN THE DECISION FRAMING AND CONSUMER BEHAVIOUR IN TOURISM

Temperature-dependent electrical measurements show that conduction is dominated by fluctuation-assisted tunneling, and introduction of KAuBr4 significantly reduces the tunneling barrier between individual nanotubes. Ultimately, the concomitant doping and densification process leads to closer packed CNTs and a reduced charge transfer barrier, resulting in enhanced bulk electrical conductivity. This work presents a continuously operating (24-hour), energy-neutral, radiative cooling system, to harvest water from the air. The prospect of large scale light-driven water splitting on hematite (Fe2O3) is currently hampered by the high electrochemical potential required to initiate the water oxidation. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser.

Here, the historical development of the Z‐scheme photocatalytic system is summarized, from its first generation (liquid‐phase Z‐scheme photocatalytic system) to its current third generation (direct Z‐scheme photocatalyst). The advantages of direct Z‐scheme photocatalysts are also discussed against their predecessors, including conventional heterojunction, liquid‐phase Z‐scheme, and all‐solid‐state (ASS) Z‐scheme photocatalytic systems. Furthermore, characterization methods and applications of direct Z‐scheme photocatalysts are also summarized. Finally, conclusions and perspectives on the challenges of this emerging research direction are presented. We first introduce electrochromic (EC) device technology, which uses transparent conducting oxides as one of its critical components, and consider how this technology can be employed to obtain urgently needed energy savings for modern buildings. The discussion then focuses on two of the most suitable EC materials, WO 3 and NiO; we cover recent advances in basic physics and chemistry as well as the properties of flexible foil-type devices combining the two oxides.

The architecture of organic polymer solar cells including single layer, bilayer planar heterojunction, and bulk heterojunction (BHJ) are described. Moreover, designing conjugated polymers for photovoltaic applications and optimizations of highest occupied molecular orbital (HOMO)–lowest unoccupied molecular orbital (LUMO) energy levels are discussed. The global plastics crisis has recently focused scientists’ attention on finding technical solutions for the ever-increasing oversupply of plastic waste. Black plastic is one of the greatest contributors to landfill waste, because it cannot be sorted using industrial practices based on optical reflection. However, it can be readily upcycled into carbon nanotubes (CNTs) using a novel liquid injection reactor (LIR) chemical vapor deposition (CVD) method.

In this work, we propose a feasibility study of concentrated solar power plant to be set up in different sites of Algeria. Among the CSP technologies, we will emphasize on the Fresnel solar power plants at different areas of Algerian Sahara. These areas have been chosen for comparison by shifting the plant to different locations; namely Hassi R’mel, Tamanrasset, Beni-Abbes, and El Oued. Direct Normal Irradiance (DNI), solar field surface, block number, the block surface, block panels’ number, absorber surface, and finally thermal power losses in the absorber are the key parameters for optimization and performance evaluation. Indeed, the calculation of performance varies from one site to another with DNI mean values of 788.4, 698.7, 671.7, and 636 W/m 2 , respectively for Tamanrasset, Beni-Abbes, El Oued and Hassi R’mel sites. The surface of solar field, block number, absorber surface and power loss have been also evaluated for the same sites.

This provides evidence that food consumer preferences are reflected in decisions about domestic food. Due to the Hungarian relevance of the topic, the presentation of related international research and literature was gi… We report the use of face mask materials as a carbon precursor for the synthesis of multi- and single-walled carbon nanotubes (CNTs) in an open-loop chemical recycling process. Novel surgical mask precursors were suspended in toluene and injected into a chemical vapor deposition reactor previously optimized for CNT production using liquid injection. The CNTs were collected and characterized using resonant Raman spectroscopy, transmission electron microscopy (TEM) and scanning electron microscopy (SEM) before being turned into fibrils that were tested for electrical conductance. Once confirmed and repeated for statistical accuracy, a CNT-based Ethernet cable was manufactured and tested using iPerf3 for uplink and downlink speeds exceeding broadband standards worldwide.

Our investigations carried out in Central and eastern europe (six interviews) showed that the consumers were very uncertain related to the acceptance of these technologies. They needed more information about the principle of the technologies and their effects made on health and environment, about the properties of products preserved in this way and about the related expenses. As the provided information indicates apart from one or two exceptions, the consumers preferred preservation with high pressure as the traditional heat treatment. Despite the concerns expressed all respondees interviewed would test products prepared with both technologies if they were supplied to the market; however, they unanimously need an indication on the products referring to the technology used.

The study of consumer behaviour and consumer choices is also essential for understanding tourism processes and developing tourism. Within this topic, the aim of the study is to provide a general theoretical overview of the decision framework and consumer behaviour and to explore their relations in the field of tourism. The study is based on a secondary research method, a literature analysis, and thus attempts to summarise the relevant results of the national and international literature on the relevant topics. The fundamental insight of the work is that the study of decision framework and consumer behaviour can be linked, since the behaviour of potential consumers and thus their decision-making changes depending on different contexts, i.e., framing effects. By outlining the relationship between decision framing and consumer behaviour, we aim to identify research directions that point to how the decision framing can be translated and examined in relation to tourism consumer behaviour. Worldwide, the use of health services via the Internet and mobile technologies is spreading rapidly.

Of course, the degree of acceptance also presumes the existence of different consumer groups. The authors also examine the diffusion of applications and innovative electric devices that are used for health monitoring. In addition to the intrinsic value of the product, social, cultural and psychological factors also have a major influence on the consumer’s purchasing decision. They are also influenced by trends and tendencies such as globalisation, digitalisation and various economic and social crises. The main objective of the study’s primary research is to demonstrate that consumer groups, distinguishable by food consumption preferences, have differentiated perceptions of domestic food (price, quality, reliability).

Testing was done compared to commercial cables, with frequency response measurements performed for further objective testing. The results show performance is on par with commercial cables, and the CNTs being grown from waste plastics as a carbon source further adds to the value proposition, while also being envi… Thanks to the development of local businesses, communities and towns are also able to derive a number of economic, environmental, social and cultural advantage.

In this work, CNTs were formed using black and white polystyrene plastics to demonstrate that off-the-shelf materials can be used as feedstock for growth of CNTs. Scanning electron microscopy analysis suggests the CNTs from plastic sources improve diameter distribution homogeneity, with slightly increased diameters compared with control samples. Slight improvements in quality, as determined by Raman spectroscopy of the D and G peaks, suggest that plastics could lead to increased quality of CNTs. There remains untapped potential still when it comes to energy and data transmission, with our group having previously demonstrated a working ethernet cable composed of CNT fibers. Material composition, electrical resistance, and electrical capacitance all play a strong role in the making of high-quality microphone and headphone cables, and the work herein describes the formation of a proof-of-concept CNT audio cable.

Diffusion of the minimal processing technologies as well as their adaptation to different kinds of foodstuffs are time and cost demanding procedures. Learning from the earlier unfavourable experiences (e.g. Gm products) it is necessary to investigate consumers’ perception and acceptance as well as to develop the adequate communication strategies. Our investigations were carried out within the framework of the “novel processing methods for the production and Distribution of High Quality and Safe foods” (novelQ) eu fp6 Integrated project (Ip), Subproject related to consumers perception and acceptance. Under this subproject the consumers’ acceptance of foodstuffs treated with pulsing electric fields (pef) and high hydrostatic pressure (Hp) as well as the influencing factors are examined. Based on communications on the consumers’ acceptance related to various technologies, during the literature review we have established an easy-to-survey database.

The water-based DSSCs proposed herein are free from water permeation issues and these results will provide great insight into the development of less expensive and more environmental friendly DSSCs. In this review paper, we present a comprehensive summary of the different organic solar cell (OSC) families. The band structure, electronic properties, and charge separation process in conjugated polymers are briefly described. The applications of conductive polymers for organic light emitting diodes (OLEDs), organic field effect transistors (OFETs), and organic photovoltaics (OPVs) are explained thoroughly.

The final part of the paper provides a broader, more general overview of chromogenic materials. Application of drawing dies to radially densify sheets of carbon nanotubes (CNTs) into bulk wires has shown the ability to control electrical conductivity and wire density. Simultaneous use of KAuBr4 doping solution, during wire drawing, has led to an electrical conductivity in the CNT wire of 1.3×106 S/m.

Radial breathing modes from Raman spectroscopy indicate single walled CNTs (SWCNTs) with diameters ranging from 0.8 to 1.55 nm and this matches well with TEM observations of SWCNTs with 1.5 nm diameter. The effects of water-containing I − /I 3 − liquid electrolytes on the photovoltaic performance and long-term stability of ruthenium based complex Z907 dye was examined in dye-sensitized solar cells (DSSCs). Despite of high water content up to 60 vol% in organic solvent-based liquid electrolyte, the photovoltaic properties and long-term stability measured under the standard global (G) air-mass (AM) 1.5 solar irradiation were not significantly affected. The underlying correlation between the effects of water and the photovoltaic performances were identified by UV-visible spectroscopy and electrochemical impedance spectroscopy. We investigated the long-term stability of performance for DSSCs in conjunction with I − /I 3 − redox electrolytes in different water compositions. The findings revealed that the competitive photovoltaic performance and longterm stability of water-containing DSSCs mainly depends on the hydrophobicity of dye as well as the transport phenomena of I 3 − throughout the electrolytes.