• Title/Summary/Keyword: Attraction effects

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Attraction Effects of LED Trap to Spodoptera exigua Adults in the Greenhouse (시설재배지에서 LED 트랩을 이용한 파밤나방(Spodoptera exigua) 성충의 유인효과)

  • Kim, Min-Gi;Lee, Hoi-Seon
    • Journal of Applied Biological Chemistry
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    • v.55 no.4
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    • pp.273-275
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    • 2012
  • The attraction effects of light emitting diode (LED) trap to Spodoptera exigua adults were evaluated in greenhouse and compared with those of no light trap and black-light trap, which is typical used in commercial trap. 7 days later, white LED trap ($83.0{\pm}0.7$) was 2.4 times more attractive than black-light trap ($34.0{\pm}2.6$), whereas the no light trap was little attractive to S. exigua. These results suggest that white LED traps could be used for environmental insect control.

Effects of Hydrolysates from Aquatic By-Product on Feeding Attraction and Growth of Sea Cultured Fish (수산 가공부산물 가수분해물에 의한 해산 양식어의 섭식 유인 및 성장에 미치는 효과)

  • 강동수;배태진
    • Journal of Life Science
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    • v.10 no.5
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    • pp.436-446
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    • 2000
  • This study was conducted to investigate the effects of different dietary enzymatic hydrolysates using squid and mackerel by-product on feed efficiency, growth and chemical composition in Korean rockfish (Sebastes schlegeli) after a eight weeks feeding experiment. Effects on the weight gain and feed efficiency in the enzymatic hydrolysates added groups were very effective. Weight gain were significantly higher in the squid hydrolysates whole added group than in the other groups. Moisture and crude ash contents of muscle were not significantly affected by hydrolysates supplementation in all groups. Crude protein and lipid contents of muscle were increased after eight weeks feeding trial. Amino acid contents of muscle were higher in squid hydrolysates whole added group than in the other groups. Amino acids were not affected by hydrolysates supplementation in all groups. Fatty acid contents of muscle were increased after eight weeks growth trial. Fatty acids were not significantly different in the dietary groups.

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Optimization of Design Parameters of a EPPR Valve Solenoid using Artificial Neural Network (인공 신경회로망을 이용한 전자비례 감압밸브의 솔레노이드 형상 최적화)

  • Yoon, Ju Ho;Nguyen, Minh Nhat;Lee, Hyun Su;Youn, Jang Won;Kim, Dang Ju;Lee, Dong Won;Ahn, Kyoung Kwan
    • Journal of Drive and Control
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    • v.13 no.2
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    • pp.34-41
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    • 2016
  • Unlike the commonly used On/Off solenoid, constant attraction force which is independent of plunger displacement is a considerably important characteristic to proportional solenoid of the EPPR Valve. Attraction force uniformity is mainly affected by the internal shape design parameters. Due to a number of shape design parameters, the optimal parameter values are very complex and time consuming to find by trial and error method. Much research has been conducted or are still in progress to find the optimal parameter values by applying various optimization techniques like Genetic Algorithm, Evolution Strategy, Simulated Annealing, or the Taguchi method. In this paper, the design parameters which have primary effects on the attraction force uniformity and the average attraction force are decided by main effects analysis of Design of Experiments. Optimal parameter values are derived using finite-element analysis and a neural network model.

The Effect of Individuals' Vulnerability to the Different Sex's Physical Attractions on Their Own Acceptance of Extramarital Relationship and Intentions of Open Marriage (이성의 신체적 매력에 대한 취약성이 본인의 혼외관계 수용성 및 개방결혼의도에 미치는 영향)

  • Lee, Hee-Jin
    • Journal of Korea Entertainment Industry Association
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    • v.14 no.7
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    • pp.203-216
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    • 2020
  • The purpose of this study is to reveal the effects of the VDSPA(Vulnerability to the Different Sex's Physical Attraction) on IOM(the intention of open marriages), the mediating effect of the SAEMR(Self Acceptance of Extra-Marital Relationship) and the moderating effect of gender. This is an empirical research based on data analysis obtained by surveying 655. The notable findings are as follow: First, respondents' perceptions of their own extramarital affairs(M=2.284) and open marriages(M=2.175) are generally negative, but women were more negative than men. Second, both men and women were vulnerable to the physical attraction of the opposite sex(M=3.569), especially men than women. Third, the more vulnerable to the physical attraction of the opposite sex, the more receptive to their own infidelity. The more receptive to their own extramarital affair, the more clear their intention to open marriage. Lastly, in the case of women, it is confirmed that the vulnerability of the physical attraction of the opposite sex has a significant effect on the intention of an open marriage, with the acceptability of the one's own infidelity as a mediator. In the case of men, there is no mediating effect of accepting their own extramarital affairs, which proved to be a moderating effect by gender. Unlike men, in the case of women, it is concluded that 'accepting their own extramaritality is a critical factor that directly or indirectly has a significant effects on their intention to open marriage.

A study on the Region Marketing Influencing on the Businesses Attraction (지역마케팅이 기업유치에 미치는 영향요인에 관한 연구)

  • Lee, Seung-Hee;Lee, Hong-Hee;Nam, Yoo-Chin;Kim, Young-Soo;Do, Jae-Hong
    • Journal of Digital Convergence
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    • v.8 no.3
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    • pp.63-77
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    • 2010
  • The purpose of this study is to determine potential effects of region marketing activities on attraction of domestic or overseas business. In order to meet the goal, this study set a research model and hypotheses on the basis of preceding reference literatures and case studies. This study identifies management environment, life environment, marketability, investment supporting environment as the variables of investment decision and urban attitude. As a result, it was found that marketability and investment supporting environment had positive effects on urban attitudes and investment decision, and urban attitudes had positive effects on investment decision as well.

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The Effects of Intramolecular Interactions of Random Copolymers on the Phase Behavior of Polymer Mixtures

  • Kim, M. J.;J. E. Yoo;Park, H. K.;Kim, C. K.
    • Macromolecular Research
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    • v.10 no.2
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    • pp.91-96
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    • 2002
  • To explore the effects of intramolecular interactions within the copolymer on the phase separation behavior of polymer blends, copolymers having two different types of intramolecular interactions, i.e., intramolecular repulsion and intramolecular attraction were prepared . In this study, poly(styrene-co-methylmethacrylate) (P(S-MMA)) having intramolecular repulsion caused by positive interaction between styrene and MMA and poly(styrene-co-ethyl-methacrylate) (P(S-EMA)) and poly(styrene-co-cyclohexylmethacrylate) (P(S-CHMA)) having intramolecular attraction caused by negative interaction between styrene and methacrylate were blended with tetramethyl poly-carbonate (TMPC). The phase behavior of blends was examined as a function of copolymer composition and blend composition. TMPC formed miscible blends with styrenic copolymers containing less than certain amount of methacrylate. The phase separation temperature of TMPC blends with copolymer such as P(S-MMA) and P(S-EMA), first increases with methacrylate content, goes through a maximum and then decreases just prior to the limiting content of methacrylate for miscibility, while that of TMPC blends with P(S-CHMA) always decreases. The calculated interaction energy for TMPC-P(S-EMA) pair is negative and monotonically increases with EMA content of the copolymer. Such behavior contradicted the general notion that systems with more favorable energetic interactions have higher LCST, The detailed inspection of the lattice-fluid theory related to the phase behavior was performed to explain such behavior.

Effects of Electronic Security Service Quality Satisfaction and Customer Satisfaction on Switching Barrier and Customer Loyalty (기계경비 서비스품질만족과 고객만족이 전환장벽 및 고객충성도에 미치는 영향)

  • Kim, Chang-Ho;Yoon, Jong-Dae;Jung, Chul-Kyu;Lee, Bong-Keun
    • Korean Security Journal
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    • no.36
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    • pp.111-137
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    • 2013
  • The purpose of this study is to examine the effects of electronic security service quality satisfaction and customer satisfaction on switching barrier and customer loyalty. Survey questionnaires were distributed to business owners in Seoul that are using electronic security system and the total of 500 copies were used as research data except 60 copies with insufficient responses. The results are as follow. First, as for the effects of electronic security service quality satisfaction on electronic security customer satisfaction, it indicates that the higher electronic security service quality satisfaction achieves, the more it has positive effects on electronic security customer satisfaction. Second, as for the effects of electronic security service quality satisfaction on switching cost, it indicates that the higher electronic security service quality satisfaction achieves, the more it has positive effects on switching cost. As for the effects of electronic security service quality satisfaction on human relations, it indicates that the higher electronic security service quality satisfaction achieves, the more it has positive effects on human relations. It indicates that the effects of electronic security service quality satisfaction on alternative attraction was not meaningful. Third, as for the effects of electronic security customer satisfaction on switching cost, it indicates that the higher electronic security customer satisfaction achieves, the more it has positive effects on switching cost. As for the effects of electronic security customer satisfaction on human relations, it indicates that the higher electronic security customer satisfaction achieves, the more it has positive effects on human relations. But, it indicates that the effects of electronic security customer satisfaction on alternative attraction was not meaningful. Fourth, As for the effects of electronic security service quality satisfaction and electronic security customer satisfaction on customer loyalty, it indicates that the higher electronic security service quality satisfaction achieves, the more it has positive effects on customer loyalty. As for the effects of switching cost on customer loyalty, it indicates that the higher switching cost achieves, the more it has positive effects on customer loyalty. As for the effects of alternative attraction on customer loyalty, it indicates that there is no meaningful relation between alternative attraction and customer loyalty. But, effects of human relations on customer loyalty, it indicates that there is no meaningful relation between human relations and customer loyalty. Based on the above results, it is noticeable that in the effects of electronic security service quality satisfaction and electronic security customer satisfaction on switching barrier, all of them had meaningful effects except for alternative attractiveness. This signifies that switching barrier factor can increase when the service quality of electronic security and customer satisfaction increase. In other words, it can be said that increased awareness of electronic security service quality satisfaction and electronic security customer satisfaction by electronic security users can lead to high customer loyalty by establishing switching barrier through such increased awareness.

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Behavioral analysis of Pacific abalone, Haliotis discus hannai, reveals its feeding preference and attraction potential for brown alga, Sargassum horneri

  • Chae-Eun Yu;Yeo-Reum Kim;Gyeong-Eon Noh;Jong-Myoung Kim
    • Fisheries and Aquatic Sciences
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    • v.26 no.5
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    • pp.355-365
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    • 2023
  • The Pacific abalone, Haliotis discus hannai, is a highly valued and industrially important aquaculture species with growing demands of the expanding abalone aquaculture industry. To explore the feasibility of using the brown alga, Sargassum horneri, as a potential substitute for abalone feed, it is important to identify the feed preference and attractant effect of S. horneri on Pacific abalone. Our experiments indicated that the feeding-associated movement of abalone could be detected using a video tracking system under indirect illumination with dim red light. To further analyze the attraction potentials of various test materials, preference analysis was performed using Avicel-coated glass plates with ground powders of various seaweeds (e.g., S. horneri, Saccharina japonica, and Undaria pinnatifida) and commercial abalone feed, together with coffee waste. Heat map analysis indicated greater attraction by the kelp S. japonica than by S. horneri and commercial feed, which showed similar preference levels. Feeding preference based on the area of Avicel eaten by abalone showed a significant preference for U. pinnatifida over S. horneri (feeding area: 68.6 ± 20.1% vs. 37.5 ± 22.4%, p < 0.05). Additionally, the feeding area was significantly greater for plates with S. japonica than for plates with S. horneri (44.0 ± 16.6% vs. 22.6 ± 15.4%, p < 0.05). There was no significant difference in feeding area between commercial feed and S. horneri (31.7 ± 11.6% vs. 31.6 ± 20.2%, p > 0.05). The methanol extracts attracted abalone in the following order: U. pinnatifida > S. horneri > S. japonica > commercial feed > coffee waste. To determine the attractive effects of the components of methanol extracts, mixtures of methanol extracts of commercial feed with increasing amounts of S. horneri were examined. The results showed a significant increase in feeding preference upon addition of S. horneri up to 50% and 75%, suggesting its potential for use as an appetite-enhancing feed additive. This study identified conditions that can be successfully used to monitor the movement of Pacific abalone; the results of preference analysis confirmed that abalone exhibited similar attraction and feeding preference for S. horneri, compared with commercial feed.

The Effect of Set Configuration on the Choice of Brand - Focusing on the Moderating Effects of Promotion Type - (선택구조가 브랜드선택에 미치는 영향 - 프로모션 유형의 조절효과를 중심으로 -)

  • Kim, Yong-Ho;Kim, Sook-Hee;Song, Kyung-Soo
    • Management & Information Systems Review
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    • v.34 no.2
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    • pp.97-111
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    • 2015
  • A preliminary study on the existing attraction effect and compromise effect was started on the experiment studies about product or service and conducted on the empirical studies on things, research trips, staff recruitment process in the research and the actual US presidential election. However most studies have been limited in the theories of the frequency range and no research about combining compromise effect and attraction effect with the types of promotion. The purpose of this study verifies that how attraction effect and compromise effect in the choice option of the choice process for brand varies according to the types of promotion. This study compares the difference of choice of brand between the influence of the attraction effect and compromise effect. The independent variables among the manipulated variables are as follows : (1) Brand choice (attraction effect and compromise effect), (2) Promotion Type (price promotion/non-price promotion). This study was manipulated in between-subjects design and within-subjects design. The results of this study will be able to see the implications for the positioning strategy of offering several new products such as practical dimensions of promotion strategy because the entry of new brands rather increases market share of similar existing brands.

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A Study of the Visual Evaluation by Variation in the Location of the Waistband of the One-Piece Dress (원피스 드레스의 허리 밴드 위치 변화에 따른 시각적 평가)

  • Lee Jung-Jin;Lee Jung-Soon;Han Gyong-Hee
    • The Research Journal of the Costume Culture
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    • v.13 no.6 s.59
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    • pp.1011-1022
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    • 2005
  • The purpose of this study is to evaluate the differences of visual evaluatations by variations in the location of the waistband of the one-piece dress. The stimuli are 13 samples. The data has been obtained from 30 fashion design majors. The data has analyzed by Factor Analysis, Anova, Duncan's Test and Correlation. The results of the study are as follows. The visual effects by the location of the waistband are composed of 3 factors: the length of the body, the width of the body, the flexuosity of the lower body. The visual image by the location of the waistband are composed of 4 factors: attraction, maturity, attention, elegance. The visual effects by the location of the waistband have significant differnces all factors. (N.W.+6), (N.W.+8) have the best visual effect in the factor of the length of the body, (N.W.+4) in the factor of the width of the body, and (N.W.-12) in the factor of the flexuosity of the lower body. The visual image by the location of the waistband have significant differnces all factors. The higher the band goes, the more positive visual image comes in maturity, attraction, elegance. However, in attention, the lower the band goes toward the hips, the better visual image comes.

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