• Title/Summary/Keyword: Rearing system

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A study on the tendency of Export & import in the korea machinery industry (우리나라 기계공업의 수ㆍ출입 동향에 대한 고찰)

  • 신용하
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.17 no.31
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    • pp.141-154
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    • 1994
  • This thesis looks out for the korean trade present condition of the korean machinery industry through time series data, analyze the problem about machinery industry by deepening the trade imbalance between JAPANESE and KOEA (The trabe balance of payment about machinery between JAPANESE and KOREA, US$7,750,000,000 in 1992, us$8,450,000 in 1993,US$9,500,000,000 in 1994 forecast), have shown a reform measure of the balance of payment with indicate the importance of rearing the machinery industry.

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Background and Present State of Swedish Child-care System (스웨덴 보육의 배경과 현황)

  • Kwon, Jeong Yoon;Han, You Me
    • Korean Journal of Child Studies
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    • v.26 no.2
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    • pp.175-191
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    • 2005
  • Sweden has one of the world's most progressive and comprehensive childcare systems; synonymous with quality, it is the envy of many other countries. The purpose of this study was to investigate background factors important to the development of the Swedish childcare system and the current childcare policy and system. This study found that underpinning the Swedish childcare system is not only the expectation that men and women will participate equally in the workforce, child rearing, and domestic life but also an awareness of the right of children to development and education. Implementation of the Swedish childcare policy has provided for easy access and affordable childcare centers following principles of childcare universalism. This provides practical suggestions for the Korean childcare policy and system.

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Studies on Ecological Environments and Indoor-rearing Conditions of the Common Grass Yellow Butterfly, Eurema hecabe (남방노랑나비(Eurema hecabe)의 생태환경 및 실내사육 조건에 관한 연구)

  • Lee, Sang-Hyun;Kim, Se-Gwon;Nam, Gyoung-Pil;Son, Jai-Duk;Lee, Jin-Gu;Park, Young-Kyu;Choi, Young-Cheol;Lee, Young-Bo
    • Journal of Sericultural and Entomological Science
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    • v.50 no.2
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    • pp.133-139
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    • 2012
  • The Aims of this study are to investigate ecological environments and indoor-rearing conditions of Eurema hecabe for artificial rearing. Two different nesting site, a open area nearby small river(A area; Daejin-ri, Gonyang-myeon, Sachun-si, Gyoungsangnam-do) and a foot of a hill area(B area; Noryang-ri, Seolcheon-myeon, Namhae-gun, Kyoungsangnam-do), selected for investigation of ecological habitat environment, and investigated two times per month, during six month, from June to November in 2010. In result, the number of butterflies, Eurema hecabe, at the hill area(B area) was 6 times more than the open area(A area). We observed the number of eggs, larvae and puapae in the B area more times compared to those in the A area. In the B area, Lespedeza cuneata was higher preference than the other host plant, Lespedeza pilosa and Albizia julibrissin. For development of indoor-rearing conditions, common grass yellow butterfly, Eurema hecabe, was reared in a room condition. As a result of oviposition preference experiment, 100-mated-female laid significantly higher number of eggs $104.9{\pm}19.6$ on Lespedeza cuneata plant, whereas the number of eggs was $12.7{\pm}4.5$ on Cassia obtusifolia plant. Moreover, the eggs hatched within $5.1{\pm}0.9$ days from the day of oviposition and procent of egg hatchability was 53.7% on host plant. The headwidth of each developmental larval stage were $0.36{\pm}0.02$(1st), $0.61{\pm}0.02$(2nd), $0.93{\pm}0.05$(3rd), $1.46{\pm}0.08$(4th), $2.25{\pm}0.11$(5th). The larval period was $12.1{\pm}0.9$ days under high temperature, long day condition($25^{\circ}C$, 16L : 8D), showing 81.0% pupal ratio. The pupal period was $6.9{\pm}0.7$ days, and the emergence rate was 79.6%. Based on above experiment, artificial rearing system of common grass yellow butterfly, Eurema hecabe was completed in indoor condition.

A Study for the System Light-Weighting Technology of Urban Railway Vehicle (도시철도차량의 시스템 경량화 기술에 관한 연구)

  • Park, Kwang-Bok;Jung, Hyun-Seung;Kim, Jong-Woon
    • Proceedings of the KSR Conference
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    • 2011.10a
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    • pp.2965-2972
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    • 2011
  • The 21th century is carried out a rearing activity of green industries as a part of friendly echo policy for preservation of earth environment. Korean government is spreaded on a whole country to setting up a goal to a sustainable growth power of national for low carbon green growth. The recently rolling stock is received the footlights as a best friendly echo transportation of transport system of automobile, airplane, ship etc., also that is playing a big role to reduction of $CO_2$ greenhouse gas and a discharge of air pollution. This study was carried out the investigation and analysis for technology trend of the system light-weighting of a recently urban railway vehicle on commercial operating in domestic and foreign countries. As the results are proposed a short-term development technology and a long-term development technology of the system light-weighting to be developed for reduction weight of urban railway vehicle.

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Growth and Survival Rate of Abalone, Sulculus aquatilis in a Closed Recirculating Sea Water System (폐쇄식 순환사육수조에서 오분자기, Sulculus aquatilis 치패의 체중별 성장 및 생존율)

  • 강경호;김재우;김용만;김병학
    • The Korean Journal of Malacology
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    • v.16 no.1_2
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    • pp.31-34
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    • 2000
  • A series of rearing experiments have been conducted to determine the growth and survival rate in accordance with body size in closed recirculating sea water system. The abalone, Sulculus aquatilis, spat of 10.24${\pm}$0.85 mm, 0.36${\pm}$0.l g and 24.9${\pm}$1.07 mm 2.07${\pm}$0.57 g in shell length and body weight were used in this study Ranges of water temperature and pH during the rearing period of 90 days were 10.0-24.2$^{\circ}C$ and 7.8-8.2, respectively. Dissolved oxygen during the experiment period was 6.13-7.21 ml/l and inorganic nitrate was 0.68-3.72 $\mu\textrm{m}$ in NH$_4$$\^$+/-N, 0.17-7.79 fm in NO$_2$-N and 0.4-11.52 $\mu\textrm{m}$ in NO $_2$-N, Growth in shell length and body weight of the spat in large group and small group at the end of the experiment were 30.80${\pm}$3.14 mm, 17.98${\pm}$2.61 mm and 3.20${\pm}$0.8 g, 0.36${\pm}$0.1 g, and survival rate of spat in large group and small group at the end of the rearing experiment were 96.0% and 90.0% , respectively.

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A Study of Rural Residential Space for Child-rearing Households (농촌 자녀양육 가구의 주거공간 실태조사 연구)

  • Lee, Yeun-Sook;Kim, Jin-Goo;Heo, Hye-Young
    • Journal of the Korean housing association
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    • v.27 no.2
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    • pp.21-31
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    • 2016
  • In recent rural areas, unlike the past, the young population is increasing with the growth of the agricultural industry and the quality of life-focused trend. Therefore, the rural areas need to more actively respond to the housing demands of the young generations. In this regard, this study aimed to research the housing conditions of the households with children and identify any problems. The study targeted 16 families with children in Deokpo-ri, Yeongwol-gun, Gangwon Province. The research was conducted based on the on-site case study, specifically face-to-face in-depth interview and on-site monitoring using the checklist by residential spaces. The research findings are as follows: The discovered issues include the storage size and safety issues in the movement space, failure to provide the space tailored to the characteristics of the children and the insufficient size and storage space in the living space and the size and safety issues in the sanitary space. Overall, it was identified that small and insufficient storage space in the house pointed out as the main issue in this research was getting the residents' life more uncomfortable and unreasonable, and the activities of the children made their parents do unnecessary behaviors and stressed out during the process of childrearing. Therefore, it is necessary to consider the space arrangement considering the organizing system, caring system and the behavioral characteristics of the children during the process of child-rearing.

Relation between brucellosis and husbandry practices in goats in Bangladesh

  • Uddin, Muhammad Jasim;Rahman, Md Siddiqur;Hossain, Mohammad Arif;Akter, Sayeda Hasina;Majumder, S.;Park, Jin-Ho;Song, Hee-Jong
    • Korean Journal of Veterinary Service
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    • v.30 no.2
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    • pp.259-267
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    • 2007
  • A study on the relation between some husbandry practices and brucellosis in goats in Bangladesh was conducted at selected areas of Mymensingh and Dhaka district, Bangladesh, from March 2005 to May 2006. Sera from 300 goats were tested by Rose bengal test (RBT), plate agglutination test (PAT), tube agglutination test (TAT) and mercaptoethanol test (MET). Out of the 300 goats, 1.670% (n=5) were positive to RBT and PAT respectively, and 2.0% (n=6) were positive to TAT and 2.33% (n=7) were positive to MET. The prevalence of brucellosis was bigger in goats reared collectively (n=2, 4%) than reared individually (n=5, 2%), and bigger in goats housed with concrete floor (n=2, 4%) than that of bare floor (n=5, 2%). The rate of brucellosis was higher in goats keep separately (n=6, 2.61%) than that of kept with other animals (n=1, 1.43%) especially with cattle. Out of 290 goats from free grazing, 7 were positive but no positive reactor(n=10) was found in non grazing goats. In conclusion, however, seroprevalence of brucellosis had no statistically significant association with rearing type, housing type and grazing or not.

Effect of Providing Marketing Information about the Nutritional Composition of Milk and Rearing System of Cows on the Overall Liking of Cheese (젖소 사육환경과 영양조성에 대한 마케팅 정보가 치즈 선호도에 미치는 영향)

  • Park, Seung-Yong;Favotto, Saida;Corazzin, Mirco
    • Journal of Dairy Science and Biotechnology
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    • v.40 no.1
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    • pp.35-47
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    • 2022
  • The taste preference for cheese is primarily dependent on an individual's habitual experience, such as personal memories since childhood. Cheese is not a traditional food in Korea, and therefore, the liking of cheese is acquired mainly through the exposure to European natural cheese by frequent travels rather than habitual experience. Although Korean dairy farms started the production of European style natural cheese because of surplus milk undulation, yet its demand has been consistently increasing in the last decade. Most of the mountain cheese variety in Europe are produced during the summer season on mountain pastures, especially in countries surrounded by the Alps. Nevertheless, not only consumers but also mountain cheese producers cannot comprehensively explain the differences in the nutritional properties of the milk from cows that grazed on mountain pasture and cows that were raised indoors. As the demand for cheese consumption is steadily increasing in Korea, it is necessary to study the effects of providing marketing information regarding the health conditions and rearing system of dairy cows in relation to the nutritional composition of cheese. In addition to the marketing focus on health-promoting unsaturated fatty acid composition of milk and cheese, the relationship between providing the marketing information on the raising environments of cows and the overall liking of mountain cheese were also investigated.

An Empirical Study on Influence Factors of Competency Based HRD System User Satisfaction (역량기반 기업 HRD 시스템 사용자 만족도의 영향요인에 관한 연구)

  • Jo, Nam-Jae;Jeong, Jin-Gwan;Kim, Jong-Gyu
    • Journal of Digital Convergence
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    • v.4 no.2
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    • pp.9-26
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    • 2006
  • Human resource development(HRD) is one of the important success factors in competitive business circumstance. So many companies are developing HRD system for role based competent person rearing to catch up with fast changing situations. And they are building professional and specific HRD systems, With these trends, this study analyze which are affecting user satisfaction in role based corporate HRD systems. Recognized profit, HRD support situation, and user experiences affect to user satisfaction significantly. And HRD support situation is the biggest affecting factor to user satisfaction.

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The Generation of Database for Cultural Assets Restitution using Geo-Spatial Information System (지형공간정보체계를 이용한 문화재 복원의 자료기반 구축)

  • Lee, Jae-Kee;Choi, Seok-Keun;Lee, Hyun-Jik
    • Journal of Korean Society for Geospatial Information Science
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    • v.2 no.2 s.4
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    • pp.55-65
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    • 1994
  • In this study, we have acquired the related data of the important culture assets in this country by using close range photogrammetry and GSIS. Also, we have generated database of curtural assets and we have been developing culture assets information system to manage the data effectively. As result of this study, we could facilely operate this system by converting dulistic management to unitary. Therefore, we will act of a part of rearing for effect of many important cultural properties and the domestic information industry from this study.

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