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  • Control Valve Testing During Operation
    11-18
    Views:
    92

    The most commonly used control technology in building engineering is mixing. The purpose of the measurement is to find out what effects have the different control valve position combinations on the system. How the mixing efficiency changes in these cases.

  • Investigation of Information and Communication Technologies (ICT) Usage in the Business Relations of the Agri-Food Econ
    21-29
    Views:
    120

    Small and medium-sized enterprises are the engines of Europe's economy. This is demonstrated by the European Small Enterprises Charta, adopted in 2000, and by the fact that this sector employs more than 90 million people. Appropriate information and communication technology is essential to maintain their ability to function effectively and competitively. They need to know how to use these technologies for their smoot growth in productivity. The purpose of our study is to assess the regional ICT penetration of the Hungarian SME sector and compare this to that of the EU Member States.

  • Effect of the Changes in Bulk Density and Granulometric Properties on the Strength Properties of the Moulding Sand Mixtures
    116-122
    Views:
    156

    Foundry technology uses a lot of several natural materials. Sands use for preparing mixtures whereby making moulds or cores. Sand is defined as a granular, refractory major portion of mixture (90 – 98% in dependence on used binder). Sand properties depend on it has chemical and mineralogical composition; mainly particle size distribution and shape of grains and its size and sand surface texture. A comparative measurement of two quartz sand with different surface quality was carried out. Greensand mixtures were prepared to measure their permeability, compressive strength and wet tensile strength. The strength of sand mixtures has two main components. One of them is the cohesion of the binder; the other one is the adhesion between the binder and the foundry sand. The aim of this research is to determine the ratio of cohesion and adhesion within the strength values.

  • Exploring the Role of Emotions and Moods in Decision Making: Study on the Use of Structured Decision Approach and Intuition
    140-149
    Views:
    359

    Emotions and moods can play a significant role in the decision making. The present paper contest this point by providing evidence on the two important approaches used in decision making that is structured decision approach and intuition. For this purpose data was gathered from 150 respondents in two different groups. Chi square test, independent sample t-test and logistic regression analysis were used to test the hypothesis. The results of the study reveal that individuals with positive and negative mood state vary significantly in their use of structured decision approach and intuition. The individuals with negative mood state are more likely to use all steps of structured decision approach as compared to the individuals in the positive mood state. The results of the study further reveal that the individual’s emotional state significantly predicted the use of structured approach and intuition in decision making.

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