Browsing by Author "Ulay, G."

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The Analysis of The Relationship Between The Cultural Intelligence and The Feeling of Compassion in The Health Staff
(Yuzuncu Yil Universitesi Tip Fakultesi, 2022) Güner, Ş.I.; Karaaslan, S.; Güner, S.; Orhun, R.; Ulay, G.
In this study, we aim to analyze the relationship between the cultural intelligence and the feeling of compassion in the health staff. The universe of the research is composed of the health staff who service in a university hospital (n=925). The data of the research was collected with “Personal Information Form”, “The Cultural Intelligence Scale” and “The Compassion Scale”. Mann-Whitney U Test, Kruskal-Wallis Test and Spearman Correlation Analysis were used for the statistical analysis. The Cronbach’s alpha internal consistency coefficient was found to be 0.895 for the cultural intelligence scale and to be 0.876 for the compassion scale, respectively. Based on the study, it was determined that the age average of the health staff was 31.15±6.99 and the average service period was 7.83±6.06. It was found that among the health staff 83% performed their job with enjoyed, 65.4% considered their performance effective and 93.4% perceived themselves compassionate. 80.2% of the health staff believes that they had cultural intelligence. According to the cultural intelligence scale, the average score of the health staff was calculated to be 96.54±18.43. This number was found to be 88.61±14.96 in the compassion scale. It was determined that there was a strong positive relationship (r=0.74) between the cultural intelligence and the feeling of compassion in the health staff. We believe that the health staff that has a cultural intelligence would evaluate the patients considering cultural para meters and thus be less judgmental and show more compassion. © 2022, Yuzuncu Yil Universitesi Tip Fakultesi. All rights reserved.
Effect of Thermal Modification and Picture Varnish Application on Color Change of Scots Pine (Pinus Sylvestris L.) Wood
(Lukasiewicz Research Network - Poznan Institute of Technology, 2025) Peker, H.; Ayata, Ü.; Ulay, G.
Scots pine is one of the important tree species used by the wood processing industry in many countries for both interior and exterior applications. It is well known that thermal treatment alters the color of wood. To protect wood from outdoor environmental conditions, certain chemicals are applied to its surface. These protective chemicals also influence the color of thermally treated wood. In this study, the color-altering effect of picture varnish (refined linseed oil), commonly used as a protective chemical in the field of painting, was investigated on both thermally treated and untreated wood materials. Scots pine (Pinus sylvestris L.) wood samples were subjected to thermal treatment at 212 °C for 2 h. Following this, varnish made from refined linseed oil was applied to some of these samples and some untreated samples, with the remaining untreated samples used as controls. Color and whiteness index (WI*) values were analyzed on the resulting four different materials, and the results were compared. Analysis of variance showed significant effects for the factors of heat treatment, picture varnish application, and their interaction, on WI* (
The Effect of Weathering on Color and Glossiness Properties of Polyurethane-Modified Water-Based Varnish Layers Applied to Thermally Treated Ash Wood
(North Carolina State University, 2025) Ulay, G.; Akter, M.; Çakıcıer, N.; Peker, H.; Ayata, Ü.; Atılgan, A.; Çiftçi, S.
The effects of artificial weathering (168, 336, and 504 h) on the glossiness values and color parameters of varnished, polyurethane-modified ash wood were investigated. Samples included control samples without treatment and thermally treated samples under two different conditions (190 °C for 1.5 h and 212 °C for 2 h), all coated with a polyurethane-modified water-based varnish. In non-thermally treated and varnished samples, decreases in L* values were observed after weathering, while increases were noted in ho, C*, b*, and glossiness at 60° in both perpendicular and parallel directions to the fibers. After weathering, for samples thermally treated at 190 °C for 1.5 h and varnished, increases were observed in glossiness values at 20° and 60° in both directions, as well as in L*, b*, and ho values. Conversely, decreases were noted in a* and C* values. In samples thermally treated at 212 °C for 2 h and varnished, increases in a*, L*, ho, b*, and C* values were detected after weathering, whereas decreases were observed in glossiness at all angles (20° and 60°) in both directions. The ∆E* values showed a decreasing trend in non-thermally treated varnished samples after weathering, while an increase was observed in samples thermally treated at 212 °C for 2 h and varnished. © 2025, North Carolina State University. All rights reserved.
The Effects of Artificial Weathering on the Pendulum Hardness of Chestnut Wood Applied With Polyurethane Varnish After Heat Treatment
(DergiPark, 2023) Ulay, G.; Ayata, Ü.
The effects of artificial weathering (576 h) on the pendulum hardness values of Anatolian chestnut (Castanea sativa Mill.) wood applied with polyurethane varnish (PU) after heat treatment at 190°C for 1.5 h and at 212°C for 2 h were investigated. The results revealed that heat treatment, weathering period, and interaction were significant. The hardness values of the heat-treated materials were higher than those of the non-heat-treated test samples. The highest hardness value was determined in the un-weathered group of the test samples that were heat-treated at 190°C for 1.5 h while the lowest value was determined in the group that was heat-treated at 190°C for 1.5 h and weathered for 432 h. The highest reduction rates after weathering were obtained on samples that were heat-treated at 190°C for 1.5 h, followed by heat-treated at 212°C for 2 h and non-heat-treated. It was observed that the heat treatment application caused different pendulum hardness values in chestnut wood samples covered with polyurethane varnish. © 2023, DergiPark. All rights reserved.