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      • KCI등재

        섬유 및 혼화제를 이용한 황토 모르타르의 수축균열 제어

        문주현(Mun Ju-Hyun),양근혁(Yang Keun-Hyeok),전중규(Jeon Joong-Kyu),황혜주(Hwang Hye-Zoo) 대한건축학회 2012 大韓建築學會論文集 : 構造系 Vol.28 No.8

        A total of 8 hwang-toh mortar mixes with no cement were tested to evaluate the effect of different fibers and admixtures on the control of shrinkage cracks of such mortars. The fiber types added were Lyocell, Poly-Amid and PVA, while, CSA and organic polymer were selected as the admixture. The shrinkage crack resistance of hwang-toh mortar were examined from the unrestrained drying shrinkage strain, restrained drying shrinkage and plastic shrinkage. Test results revealed that the unrestrained drying shrinkage strain of hwang-toh mortar sharply increased at an early age showing approximately 2.5 times higher values than predictions obtained from ACI 209, regardless of the addition of fibers and admixtures. In addition, cracks owing to the restrained drying shrinkage developed at the only age of 1.6 days in all test mixes; as a result, the cracking grade of hwang-toh mortar was evaluated to be high. On the other hand, the addition of fibers required a value of fiber spacing above 0.0003 in order to enhance the tensile resistance capacity of hwang-toh mortar under the restrained drying shrinkage and reduce the cracking area under the plastic shrinkage. Overall, it could be concluded that moist curing at an early age and the addition of fiber with fiber spacing above 0.0003 are practically effective in reducing shrinkage crack of hwang-toh mortar.

      • A Study on the Establishment of Destination Image through Mass Media

        Hwang,Kyu-sung,Baik,Yu-kyung,Moon,Hye-young 세계문화관광학회 2007 Conference Proceedings Vol.8 No.0

        As the products of mass media, such as drama, movies, and commercial advertisements have grown and entertained us, they induced people to visit the locations where they were filmed. However, little has been known what effects in movies or television-induced locations on tourism. The purpose of this study is to investigate the effects of the products of mass media on tourism through locations induced by dramas, movies, and commercial advertisements. More specially, this study examined the relationships between the perceptions of movies or television-induced affective response, the perceptions of movies or television-induced attributes and movies or television-induced destination images on tourism. Findings suggest that if audiences enjoy delightful movies, they will feel destination images with fun and delightfulness when they visit the location scene. Also, the results suggest that if dramas and movies gain in public favor, the location where they are filmed will become a new and fantastic destination to people.

      • KCI등재

        Whole-genome resequencing analysis of 20 Micro-pigs

        Da‑Hye Son,Nam‑Hyun Hwang,Won‑Hyong Chung,Ha‑Seung Seong,Hyungbum Lim,Eun‑Seok Cho,Jung‑Woo Choi,Kyung‑Soo Kang,Yong‑Min Kim 한국유전학회 2020 Genes & Genomics Vol.42 No.3

        Background Miniature pigs have been increasingly used as mammalian model animals for biomedical research because of their similarity to human beings in terms of their metabolic features and proportional organ sizes. However, despite their importance, there is a severe lack of genome-wide studies on miniature pigs. Objective In this study, we performed whole-genome sequencing analysis of 20 Micro-pigs obtained from Medi Kinetics to elucidate their genomic characteristics. Results Approximately 595 gigabase pairs (Gb) of sequence reads were generated to be mapped to the swine reference genome assembly (Sus scrofa 10.2); on average, the sequence reads covered 99.15% of the reference genome at an average of 9.6-fold coverage. We detected a total of 19,518,548 SNPs, of which 8.7% were found to be novel. With further annotation of all of the SNPs, we retrieved 144,507 nonsynonymous SNPs (nsSNPs); of these, 5968 were found in all 20 individuals used in this study. SIFT prediction for these SNPs identified that 812 nsSNPs in 402 genes were deleterious. Among these 402 genes, we identified some genes that could potentially affect traits of interest in Micro-pigs, such as RHEB and FRAS1. Furthermore, we performed runs of homozygosity analysis to locate potential selection signatures in the genome, detecting several loci that might be involved in phenotypic characteristics in Micro-pigs, such as MSTN, GDF5, and GDF11. Conclusion In this study, we identified numerous nsSNPs that could be used as candidate genetic markers with involvement in traits of interest. Furthermore, we detected putative selection footprints that might be associated with recent selection applied to miniature pigs.

      • 퍼지 추론을 이용한 분류 벡터 양자화기의 성능 개선

        황병하,김혜숙,서재성,박민식,곽훈성 全北大學校 1994 論文集 Vol.37 No.-

        In Classified Vector Quantization(CVQ) for image coding, the block classification pondering the block characteristics will be the most important procedure if we consider system performance. But it does not take effect because classification of conventional CVQ followed act on a heuristic and statistics method. In order to solve the problem of conventional methods, i.e, for block classification effectively we propose a fuzzy inferencing algorithm to improve its performance. To do this, fuzzy rules must be generated in the first. Our rules are based on energy distribution in transform domain with respect to spatial variation. Ultimately fuzzy inferencing of this paper apply these fuzzy rules for efficient block classification on a input image. As a result of efficient classification, our proposed method shows that blocking effect is decreased and PSNR(peak to peak signal to noise ratio) is increased by about 1 ∼ 2 dB for 0.2 ∼ 0.6 bpp range, when the performance is compared with Aizawa's scheme^[9].

      • 부모-자녀관계와 자녀 인성에 관한 최근 연구 동향 개관

        황혜자,김지영 동아대학교 학생생활연구소 2001 學生硏究 Vol.29 No.-

        This study aimed to review the recent in the parent-child interaction and the children's personality. The traditional many researchers have documented the positive effects on children raised by parents who are warm affectionate and who set consisten, reasonable rules for their children as opposed to those that behave in a purnitive aloof manner, Still there findings may fit to the many comme children and general the context. However in the review of recent changing developmental approaches, parent-child relation should be considered based on the many complex variables(e.g. the parent's personality, the types of temperament of children, the role of father, family structure, social supports and so fourth)Namely, it is considered to the parent0child relation and the children's personality with multidimensional framework parent's child rearing attitude or the styles of parenting is not caused to the children's social and emotional development. Therefore the good parent's child relation is not accomplished from the parenting styles and still more variable social context. Maybe the variable about the children have a effect to parent-child relation and parent-child relation have an important effect upon the children's personality. Specifically, the mother's perception of children's personality and the satisfaction. Therefore, One of the main points of good parent-child relation for reasonable children's personality is the objectivity to the many children's character. The one of variable for parent0child relation and the children's personality is the family structure. In today's society, there are many different types of "non-traditional families" and the family system is highly explained to the quality of parent-child relation and the child's personality.

      • 가정폭력 피해자에 대한 해결중심 가족치료적용사례

        황혜숙,신선인 대구대학교 사회복지연구소 2002 社會福祉硏究 Vol.23 No.-

        가정폭력 피해여성들은 자신의 문제를 스스로 해결할 능력을 잃고 무기력에 빠져있으므로 학대받는 상황에서 벗어나기 힘든 경우가 많다. 이런 경우, 상담자는 내담자의 문제 해결능력에 대한 확고한 신념을 지니고 피해자가 자신의 상황을 객관적으로 바라보며 문제해결책을 스스로 찾아낼 힘을 갖도록 돕는 것에 치료의 역점을 두어야 한다. 치료목표 또한 내담자가 찾아내고 설정하도록 도와야하는데 이를 위해서는 내담자의 지각을 수용, 인정하고 따라감을 통해, 그들의 강점을 찾아내고, 예외상황을 기반으로 해결구축을 위한 질문들을 마련·적응하며 이 과정에서 내담자 스스로가 미래의 가능성을 확장하도록 돕는 해결 중심적 가족치료 접근이 매우 유용한 것으로 본다. 그러나, 가정폭력 피해자의 경우, 법적 대응 외에는 피해자의 안전이 확보되기 힘든 특수한 상황하에서는 이러한 접근 방법의 적용에 실패하는 경우가 있는데, 이때 상담자는 해결중심 가족치료접근을 중도에 포기하고 내담자가 원하는 것과 상관없이 혹은 내담자의 결정보다 앞서서 그를 유도해 나가게 되는 것이다. 본 고에서는 이런 경우에도 어떻게 내담자가 원하는 것에 충실하게 초점을 맞추어 따라가고, 그 스스로가 문제해결책을 결정하도록 힘을 부여할 수 있는지에 관한 해결중심 접근방법의 적용 요령을 사례를 통하여 모색해보고자 한다. In helping battered wives, we often witness cases where, due to their helplessness cultured under their seemingly inescapable situation, the battered wives end up going back to their battering husband. In such cases, it is important for the therapist to be able to empower their clients to acquire enough self-reliance to make decisions on their own, overcoming their helplessness. To this end, it is important to ensure that the primary objective of the therapy should be set not by the therapists but by the clients. The solution-focused family therapy approaches is certainly one of the better alternative for such situation. Unfortunately, however, many therapists using solution-focused approach, often gives up their not-knowing posture and resort to imposing quick solutions due to the pressing situation such as when the clients face serious threat to their safety. In this paper, through a careful examination of a counseling case, we seek to find ways to keep up the solution-focused approach even under such serious pressure.

      • 입력 설계기법을 이용한 유연구조물의 다중모드 제어기법 연구

        황재혁,권오훈,이혜진 한국항공대학교 항공우주산업기술연구소 2002 航空宇宙産業技術硏究所 硏究誌 Vol.12 No.-

        본 논문에서는 유연 구조물의 전류 진동을 제거하기 위한 방법으로 다중모드를 고려하여 제어하는 방법을 연구하고 실험을 하였다. 시간 영역에서의 ZVD-ZVD방법과 주파수 영역에서 근사 시간지연 기법을 시스템의 2차 모드까지 고려하여 입력을 설계하고, 그 설계된 입력을 실험에 적용하여 그 결과를 1차 모드만을 고려하였을 때와 비교하였다. 실험장치는 AC서보 모터에 허브를 달고, 그 허브에 유연한 구조물을 부착하여 구성하였다. 실험에 앞서 시뮬레이션을 위해 실험을 하고자 하는 모델을 모델링하고 운동방정식을 유도한 후, 그 구조물의 회전 시 발생하는 잔류진동을 제거하기 위해 다중모드를 고려하여 입력설계를 하였다. 그리고 시뮬레이션을 통해 얻어진 설계된 입력을 실제 실험장치를 통해 적용을 하였다. 제어 알고리즘은 C언어 프로그램을 이용하여 제작하였고, 실험장치에서 나온 결과값은 스트레인 게이지를 통해 얻어 그 결과를 나타내었다. 본 연구에서는 다중모드를 고려하여 입력을 설계한 경우, 1차 모드만을 제어하였을 때보다 유연구조물에 발생하는 잔류진동을 억제하는데 있어서 더 효과적인 방법임을 시뮬레이션과 실험을 통해 확인하였다. This paper includes our research and experiment on control method in consideration of multi mode to attenuate residual vibration of flexible structure. At first, Input has been shaped taking 2nd mode of system into consideration suing ZVD-ZVD method in a time domain and user selected Time-delay method in a frequency domain. Then, The Result has been obtained by appling the shaped input to the testing equipment. The comparison was made between the above acquired result and the result made when only 1st mode was considered. This paper confirms by simulation and experiment that application of the input shaped by taking multi mode into consideration is more effective method to attenuate residual vibration of flexible structure than when only 1st mode is controlled and No controlled.

      • 불임주부의 스트레스·디스트레스와 결혼 만족도에 관한 연구

        황기아,정혜선 東亞大學校 附設 生活科學硏究所 2002 생활과학연구 논문집 Vol.10 No.-

        The purpose of this study is to investigate the level of stress·distress that infertilizable housewives recognize and to do the levels effect on the marital satisfaction of them. The analyses of the data used SPSS PC+ program. The major results can be summarized as follows: 1. The average score of the level of stress of infertilizable housewives is 2.62(middle level). The levels of stress on infertilizable housewives are significantly different according to husband's age, marriage years, housewives education, husband's job, amount of family income, housewives' religion, cause of infertility, duration of infertility remedy, delivery experience. 2. The average score of the level of infertilizable housewives in 2.71, so that the level of distress is more higher then that of stress. The average score of the level of infertilizable housewives are significantly different according to husband' age, housewives' education, husband's job, amount of family income, abortion experience, cause of infertility. 3. Marital satisfaction of infetilizable housewives are significantly different according to education, husband's job, amount of family income, religion, cause of Infertility, duration of infertility. 4. The level of housewives' stress higher as the level of marital satisfaction lower. 5. The level of housewives' distress higher as the level of marital satisfaction lower. 6. The effect level of stress·distress as variables effect on the marital satisfaction of infertilizable housewives are distress(β=35), and stress(β=23), respectively The total variance effect on marital satisfaction is 25%, In consequence, the level of housewives' stress and distress are significant variable effecting on the housewives' marital satisfaction

      • 포괄수가지불제도 적용에 따른 산부인과 진료수입의 변화

        황태연,유병철,정귀언,정수진,김성준,배기택,손혜숙,이종태,전진호,엄상화 인제대학교 2001 仁濟醫學 Vol.22 No.1

        Objectives: Under the fee-for-service system, Korean hospitals have been suffering from the worsening profitability caused by law medical care fees. To overcome the difficulties, they have maximized the quantity of medical services and made relatively large investment in developing new medical services using high-priced medical equipment, medicines and medical supplies which were not covered by medical insurance system rather than reduced running costs. Materials and Methods: This study was made to analyze and forecast the revenue change of the department of Obstetrics and gynecology of an university hospital in Seoul, expecting the implementation of DRG system in 2000. Results: The results were as follows : 1.During the first two days of hospitalization. 41% of total medical service fee was occurred, which was thought that most of the check-ups and operations were made during this period. After two days of hospitalization, the new occurrence of medical service fee tended to reduce. 2.Out of total medical service fee, 67% of admission fee was occurred after 5 days of hospitalization. This was because medical service fees in obstetrics and gynecology department occurred during the first 5 days of hospitalization. 3.Out of fees for operation, treatment, medical supplies and blood transfusion. 71% was occurred during the first two days. 4. In case of fees for examination, 50% was occurred during the first two days. 5.A total of 53% of fees for medication and injection was occurred during the first 5 days. Conclusions: By the implementation of the DRG system, the income is forecast to increase by 800 won to 310,000 won by the disease group of obstetrics and gynecology department. To increase hospital income with the implementation of DRG system, the results of this study suggest that examinations should be done at out-patient departments before the hospitalization of patient, the discharge of patient should be noticed in advance to reduce the period of hospitalization, and admission appointment system should be implemented for the immediate operation and delivery.

      • 兒童의 正常的인 發達에 要求되는 母-子關係의 質

        黃惠子 東亞大學校 敎育大學院 1987 敎育大學院 論文集 Vol.13 No.-

        This study investigated the quality of mother-child relations required for the child's noral development with emphasis on the babygoold. Bowlby's maternal deprivaton theory and the follow-up studies were compared to bear on this topic. The study showed that the quality of attachment was improtant and that the child with swecure attachment showed various desirable behavioral characteristics and secure attachment was nourished by good mothering based on warm affection. Good mothering is characterized as follows. firstly, the mother's response to the baby's needs is important during the first year after his of her birth. That is, it is important that the motehr show sensitive and appropriate response to the baby's crying and that she meet his or her biological and emotional needs quickly and properly. Secondly, the mother's receptive attitude and adequate skinship is required in order to overcome the child's seperation anxiety and to encourage his or her independence. Slow and steady seperation in accordance wiht the child's devellopmental stages can be instrumental to his or her independence without imparing the mother-child tie and attachment. Thirdly, emotional interactions through sensory stimulus are essential. In other words, it is necessary that the development of the child's sensoryneural system be promoted by stimulating the child's behaviors such as smile, babbling, eye-meeting and gestures. When a child is trusted to the care of the substitute mother, her mothering counts. It seems that steady and affectionate mothering lends no harm to the child's normal development.

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