• 제목/요약/키워드: hand characteristics

검색결과 4,523건 처리시간 0.036초

Air-jet 직기 특성이 감성 교직물의 촉감에 미치는 영향 (Effects of the Air-Jet Loom Characteristics on the Hand Properties of the Sensitive Mixture Fabrics)

  • 김승진
    • 한국염색가공학회지
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    • 제20권6호
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    • pp.63-68
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    • 2008
  • The hand of the sensitive mixture fabrics was analysed and discussed with measured mechanical properties of two kinds of woven fabrics according to the characteristics of air-jet loom. The 16 mechanical properties such as tensile, bending, shear, compression and surface were measured using KES-FB system and their differences of the mechanical properties between domestic and foreign looms were analysed with the deviation according to the position of the specimen. And also these mechanical properties according to the domestic and Japan air-jet looms were analysed and discussed with warp and weft insertion tensions during weaving. This research is aiming to make a data base of fabric mechanical properties and, these analysed data are given to weaver as a basic research data related to the effects of loom characteristics to the sensitive mixture fabrics required from weaving fields.

객관적 수법에 의한 모직물의 태의 평가와 설계에의 응용 (Objective Hand Evaluation of Wool Fabrics and Application to Fabric Design)

  • 김덕리;김석근;박정환;박정우;김인현
    • 한국염색가공학회지
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    • 제7권1호
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    • pp.58-64
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    • 1995
  • In this study, we attempted to expect the mechanical characteristics of the wool fabrics by knowing the yarns. Moreover, we believe that we could apply these results to fabric design. We investigated the relationship between the mechanical characteristics of yarns and fabrics. As results, we have found that bending rigidity, bending hysteresis, compressional energy and compressional linearity between yarns and fabrics had correlated more than r=0.5. Also, the correlation between regression and experimental values is r=0.5 in stiffness while it is r=0.67 in fullness. And regression values were larger than experimental ones in stiffness, but were not in fullness. The correlation between regressional and experimental values had 0.63 in THV. According to the study, it is possible to apply it to fabric design when our predicting the primary hand and the total hand values of the fabrics from the mechanical characteristics of the yarns.

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와이어 방전가공에 의한 북현상에 관한 연구 (A Study on the Hand drum form of Wire-Cut Electric Discharge Machining)

  • 김원일;이재명;강종표
    • 한국안전학회지
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    • 제12권4호
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    • pp.9-14
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    • 1997
  • From the experimental study of wire-cut Electric Discharge Machining for alloyed steel and tungsten carbide, the characteristics such as hand drum form has been observed and evaluated for various conditions. Hand drum form can be improved when gap voltage and spark cycle become smaller, their thickness become thinner, wire tension become larger and number of cutting is done so many times. When wire-cut 60mm thickness tungsten carbide in normal condition, Hand drum form becomes larger due to the low conductivity inducing cobalt composite rising by electrolysis.

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영상처리를 이용한 생체인식 시스템 개발 (Development of the Human Body Recognition System Using Image Processing)

  • 어드게렐;하관용;김희식
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2004년도 학술대회 논문집 정보 및 제어부문
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    • pp.187-189
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    • 2004
  • This paper presents the system widely used for extraction of human body recognition system in the field of bio-metric identification. The Human body recognition system is used in many fields. This biological is appled to the human recognition in banking and the access control with security. The important algorithm of the identification software usese hand lines and hand shape geometry. We used the simple algorithm and recognizing the person by their hand image from the input camera. The geometrical characteristics in hand shape such as length of finger to whole hand length thickness of finger to length, etc are used.

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손동작에 따른 손체표 길이 변화를 적용한 장갑 설계 평가 (Evaluation of Glove Designs Applying Change in Hand Length Dimensions by Hand Motion)

  • 권오채;선미선;정기효;이민정;연수민;유희천;김희은
    • 대한인간공학회지
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    • 제24권4호
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    • pp.15-21
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    • 2005
  • Use of a glove made of materials with a low elasticity decreases the performance of the hand such as agility, dexterity, range of motion, and grip strength. The present study examined if the adverse effects of a low-elastic glove can be reduced by a design which accommodates the changes of hand surface lengths by hand motion. Two glove designs which provide patches of elastic cloth and pleats at the finger joints and knuckle were developed by considering the hand surface length changes, and then compared with two conditions(bare hand and conventional glove design that does not consider the dynamic characteristics of the hand dimensions) in terms of completion time in peg board insertion task, maximum grip strength, discomfort in hand motion, discomfort in force exertion, and overall discomfort by 24 right-handed participants. The test results confirmed that wearing of a glove significantly reduced the agility and grip strength capability of the hand and indicated that the novel designs were effective to lessen the performance decreases compared to the conventional design. Also, of the glove designs, the pleat glove design was found most preferred for both better hand performance and less subjective discomfort.

현대 니트웨어 특성에 관한 연구 (The Study on Characteristics of Contemporary Knit Wears)

  • 권진;임영자
    • 복식
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    • 제55권8호
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    • pp.127-143
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    • 2005
  • This study provides a classifying framework in the modern knit wears, helps to have better understandings of the comparative differences between hand-knit skill and machine-knit skill in terms of the intrinsically characteristic values, and grasps the tendency in their applied techniques based on the characteristics. The comparative characteristics in modern knit wears are produced according to the used skills. The work completeness with which the clothing can be sublimated into the level of artistic phase is given in craftmanship-knit techniques. This makes it possible to design a rare one, and therefore provides a wider range of availability in clothing. The technical traits in craftman-ship-knit are identified as disassembly, specialty, decorativeness and rarity, and the different skills are employed by the characteristics. On the other hand, the differences are not used in ma-chine-knit wears in the way the craftmanship-knit type utilizes by the trait and, instead, the ma-chine-woven fabrics with a machine tool are taken on the whole. In the flow of fashion modes, the characteristics of machine-knitted wears are found remarkably in the modernized contemporary designs seeking for activity and functionality with the use of materials, colors and details minimized. And those trails are characterized as formality, simplicity, functionality and popularity. The comparison in knitting techniques is made in such a way of disassembly and formality; specialty and simplicity; decorativeness and functionality; and rarity and popularity.

Hand Surgery Fellowship Selection Criteria: A National Fellowship Director Survey

  • Egro, Francesco M.;Vangala, Sai K.;Nguyen, Vu T.;Spiess, Alexander M.
    • Archives of Plastic Surgery
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    • 제44권5호
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    • pp.428-433
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    • 2017
  • Background Candidate characteristics for hand surgery fellowship training remains unknown, as very little data is available in the literature. This study aims to provide information on the criteria that are employed to select candidates for the hand surgery fellowship match. Methods A 38-question survey was sent in April 2015 to all Accreditation Council for Graduate Medical Education recognized hand surgery fellowship program directors (n=81) involved in the U.S. match. The survey investigated factors used for the selection of applicants, including medical school, residency training, research experience, fellowship interview, and candidate characteristics. A 5-point Likert scale was used to grade 33 factors from "not at all important" (1) to "essential in making my decision" (5); or for five controversial factors from "very negative impact" (1) to "very positive impact in making my decision" (5). Results A total of 52% (42 out of 81) of responses were received from hand surgery fellowship program directors. The most important influential factors were interactions with faculty during interview and visit ($4.6{\pm}0.6$), interpersonal skills ($4.6{\pm}0.5$), overall interview performance in the selection process ($4.6{\pm}0.6$), professionalism and ethics ($4.6{\pm}0.7$), and letters of recommendation from hand surgeons ($4.5{\pm}0.7$). Factors that have a negative impact on the selection process include visa requirement ($2.1{\pm}1.2$), graduate of non-plastic surgery residency program ($2.4{\pm}1.3$), and graduate of a foreign medical school ($2.4{\pm}1.1$). Conclusions This study provides data on hand surgery fellowship directors' perception on the criteria important for fellowship applicant selection, and showed that interview-related criteria and letters of recommendation are the important factors.

마직물의 태에 관한 연구;주관적 평가척도개발과 선호도를 중심으로 (The Study on the Hand of Bast Blended Fabrics -The development of subjective evaluation method and fabrics' preference-)

  • 박성혜;유효선
    • 한국의류학회지
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    • 제23권8호
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    • pp.1194-1205
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    • 1999
  • The hand characteristics of bast blended fabrics are studied by a subective evaluation method. To offer basic data for development of better hand of bast fiber fabrics customer's hand preference surveys are executed as well. IN this study 51 varieties of linen or ramie blended fabrics of various blending ratio density and thickness and Hansan ramie Chinese ramie and a Shingosen fabics of various blending ratio density and thickness and Hansan ramie Chinese ramie and a Shingosen farbic and used. To evaluate the hand of the fabrics subjectively nine ranks' semantic differential scale questions of 26 items are developed with adjective pairs. A seven ranks' scale is also developed to evaluate hand preferences in blouse and jacket cloths, Through subjective evaluation of bast blended fabrics the 26 items could be classified into seven kinds of hand classification : surface characteristics extensibility/drapability felling of heaviness stiffness resilience moisture property and feeling of density. The cumulative variance value explained by these seven factors is 67.18% According to the results of fabrics' preference by age groups no significant differences are found in blouse cloths but a few significant differences are found among different age groups in jacket clothes. However experts and non-experts show considerable differences on preference It can be concluded that fabrics' preference I more dependent on professionality than on age. In the survey experts. However more drapery cloths are preferred by experts and cloths with drier touch are preferred by non-experts. Experts prefer rougher less even less winding heavier and sparser fabrics but non-experts prefer rougher lighter thinner and stiffer fabrics as jacket cloths.

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청소년의 비만도에 따른 칫솔질 실천과 손씻기의 연관성 분석 (Correlation of toothbrushing and washing hands according to obesity in adolescents)

  • 김선일;남궁은정;김혜진
    • 한국학교ㆍ지역보건교육학회지
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    • 제19권2호
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    • pp.65-76
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    • 2018
  • Objectives: The purpose of this study was to investigate the hygiene behaviors according to obesity in adolescents and to provide basic data for school health project. Methods: The data from the 10th Korea Youth Risk Behavior Web-based Survey(KYRBWS) were analyzed by STATA 13.0 statistical packages. The demographic characteristics were analyzed by frequency analysis. The relationship between obesity and hygiene behaviors according to demographic characteristics were analyzed by chi-square test. Pearson's correlation coefficient was used for the correlation among the variables. Multivariate logistic regression analysis was performed to examine the effect of obesity on the hand washing and oral hygiene behaviors. The significance level for significance was set at 0.05. Results: Obesity, hand washing before eating and hand washing after using the bathroom were significant negative correlation. Hand washing before eating and hand washing after using the bathroom were significant positive correlation. Hand washing after using the bathroom were positive correlation with toothbrushing after lunch. Washing before eating was 1.079 times higher than that of obese people(p<0.05), and toothbrushing after lunch was higher by 1.298 times in Odds ratio than normal weight(p<0.001). Conclusions: There is a need to develop a school dental health program by collecting hygiene behaviors such as obesity, hand washing, and brushing after lunch.

손측정변수들 간의 연관성 분석을 통한 장갑설계의 중요변수 결정 및 치수체계 적용 (Determination and Application of Key Dimensions for a Sizing System of Glove by Analyzing the Relationshiops Between Hand Anthropometric Variables)

  • 권오채;정기효;선미선;유희천;김희은
    • 대한인간공학회지
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    • 제23권3호
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    • pp.25-38
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    • 2004
  • Selection of a key dimension (s) by considering the characteristics of hand dimensions is needed to design gloves and construct a sound sizing system for gloves The present study identified key dimensions of glove design by analyzing the relationships between hand dimensions and demonstrated the construction process of a glove sizing system. By conducting correlation and regression analyses on 70 hand dimensions including 3 key dimension candidates (hand length; hand circumference; hand breadth) with the 1988 US Army data, hand length and hand circumference were selected as key dimensions for glove design. Glove sizing systems were constructed for males and females by applying the selected key dimensions, 0.5 inch of sizing intervals, and 2% of presence rate criterion to the US Army data. This study suggests that glove sizing systems for males and females be very different from each other and a glove sizing system for males include more sizes than that for females.