Previous research has suggested that ethnicity and self-construals may play a role in shaping the utility and function of emotion expression. In a 10-day daily diary study, we examined the effects of positive and negative emotion expressivity on daily and trait intrapersonal and interpersonal functioning across Asian and European American college students. One hundred fifty-five Asian Americans and 74 European Americans completed questionnaires assessing daily affect and daily interactions. Results revealed no significant ethnic group differences in the tendency to express positive or negative emotions, nor in the relationship between positive emotion expressivity and intrapersonal functioning. However, ethnic group differences were apparent in the relation between negative emotion expressivity and functioning. Asian Americans high in negative emotion expressivity were more likely to report poorer daily and trait intrapersonal functioning, whereas these relationships were unrelated for European Americans. Among highly interdependent individuals, positive emotion expressivity was associated with greater daily positive mood, lower trait interpersonal problems, and lower depressive symptoms; however, this was not shown for low interdependence individuals. Our findings suggest that the valence of emotional expressions and culture needs to be considered in studying the adaptive function of emotion expression.
Tea tree is the general term for many species of melaleuca plants. The essential oil or liquid extracted from Australian tea tree can be added to cosmetics and care products. The experimental parameters of solvent extraction are the key factors influencing the antioxidant activity of Australian tea tree. This study used the orthogonal array of the Taguchi method to plan the experiment. The quality data obtained from experiment were analyzed by the factor effects of the Taguchi method to find the significant experimental parameters influencing the antioxidant activity of Australian tea tree, and obtain the optimal experimental parameter combination of solvent extraction for antioxidant activity. Finally, the reliability of the experiment was validated by a confirmation experiment. According to the experimental results, this method was applicable to the optimization problem of the experimental procedure. The optimization can be implemented for objective numerical analysis operation, saving on experimental consumables, time and cost.
Fabric defect detection and classification plays a very import role in automatic inspection for textile. With the use of wavelet transformation and gray-level co-occurrence matrix to extract feature value of nonwoven image, then grey relational analysis of grey theory is availed to conduct the classification of uniformity of nonwoven. Of these processes, they care carried out mainly to discover uneven images for nonwoven, and proceed with classification study. Grey relation analysis can be used to find out the relation with selection feature indicators upon each factor to be studied and analyzed through some images processing through random factor sequence, and the highest relation is followed to determine the uneven images for nonwoven.
Polyester fibre is the synthetic fiber made with man-made fibers. Its surface is smooth with the texture of fine linen. It has good flexibility and durability and is the best non-iron fibres. In order to promote the accuracy and reduce the quality deviation of melt spinning, the Taguchi method was adopted in the melt spinning process. The aim of the research is to enhance the optimization of the melt spinning process using the material polyester. First, the Taguchi method is applied to establish the design of experiment. An analysis of variance will be done to arrive at the significant factors that influence the melt spinning quality the most. Lastly, confirmation experiments verified the reproducibility of this experiment. Confirmed by the experiments, results showed that the obtained SN ratios were greater than the signal-to-noise ratio of nine orthogonal array experiments and this means the experiment is reliable.
Fused spinning method is the most commonly used method to manufacture man-made fiber and the most important physical property of as-spun fiber is tenacity, which is affected by process parameters including spinning nozzle temperature, cooling temperature, cooling wind speed and winding speed. First, we selected the appropriate orthogonal array for the experimental plan to conduct experiments. Coupled with signal-to-noise (SN) ratio and main effect analysis, we understood the impact of process parameters on quality and confirmed the reproducibility of the experiment, and furthermore obtained the optimal combination of process parameters.
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