• 영재교육연구
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• 제17권1호
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• pp.193-213
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• 2007

물리교육에서의 창의성에 대한 서양적 중심 사상인 생산성과 동양적 중심 사상인 깨달음을 조합하여 무아래 무늬를 이용한 창의성 신장 과학탐구 프로그램(PEPC)을 개발하였다. 무아래 무늬를 활용한 PEPC(Program for Enlightened and Productive Creativity)는 5단계 나선형 과학탐구과정으로 구성되어 있고, 각 단계마다 창의성을 신장시킬 수 있는 기본 요소를 제시하였다. 그리고 이 프로그램을 과학영재, 물리교사, 일반학생들에게 적용한 결과 과학영재반 학생들이 확장성과 직관력에서 일반학생들보다 높게 나타났다. 특히 직관력과 종합성은 교사반이 과학영재반 학생들보다도 낮게 나타났다. 그리고 창의성의 10개 요소 중 분석력은 모든 집단에서 낮게 나타났다.

• 농촌지도와개발
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• 제3권1호
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• pp.1-16
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• 1996

The purpose of this study was to interpret the transformation of Cooperative Groups for Agricultural Production(CGAP) with the change of the Agricultural Productive Force. The specific objectives were; 1) To investigate the change of agricultural labour-power, 2) To investigate the change of agricultural mechanization and arable land, 3) To interpret the transformation and content of CLAP. The population of farmhouseholds has decreased continuously since the late 1960s. Especially, with the move-outs of youth ages of twenties to forties, the condition of agricultural labour-power has been more serious. The processing of agricultural mechanization was a small scale step in the 1970s, but after the 1980s there was a spread of middle-large machines. However the usage rate of agricultural machines was constrained by the bad conditions of arable land. From the 1970s to now, the CGAP have bean processed by many kinds of patterns. In the 1970s, the lack of labour-power caused the creation of the Co-Working Team. After the late of 1970s, the wage of agricultural employees was raised, because the working population of agriculture was cut down. Also, the induction of agricultural machine was promoted. As a result, in the 1980s, the Machine-Using Team occurred due to these conditions of agricultural productive force. In the late of 1980s, the population decreased more rapidly, and the use of large machines were spread. Than farmhouseholds laking labour-power gave a trust to other farmhouseholds and Teams which had machines. In 1990, Given-Trust Cooperations were enacted by law, and in order to overcome the lack of labour-power, and solve the problem of the successors of agriculture, Cooperative Organizations were also enacted by law. Finally, in Korea from the 1970s to now, as the agricultural productive force has barn changed, the Co-Working Team was transformed into the Machine-Using Team, and the Machine-Using Team was transformed into the Given-Trust Cooperation, and the Cooperative Organization.

• 한국가족복지학
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• 제53호
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• pp.7-44
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• 2016

본 연구에서는 중년여성과 노년여성의 생산적 활동의 특성을 비교해보고, 중년여성과 노년여성이 참여하고 있는 생산적 활동의 양상에 따라, 이들이 느끼는 삶의 질에 대한 만족도에는 어떤 차이가 있는지를 살펴보고자 하였다. 이를 위해 제 3차 고령화연구패널 자료를 네트워크 분석, 통계 분석 방법을 활용하여 분석하였다. 네트워크 분석 결과, 중년여성과 노년여성의 생산적 활동 참여 양상에서 차이점이 발견되었으며, 학력, 건강상태, 거주 지역에 따라서도 서로 다른 특징이 나타났다. 다중회귀분석 결과에서는 중년여성은 자원봉사활동 참여 여부와 배우자 유무, 거주지역, 가구소득, 학력이, 노년여성은 가족간병 여부와 연령, 종교, 거주 지역, 가구소득, 학력이 삶의 질 만족도에 영향을 미치는 유의미한 변수로 확인되었다. 이와 같은 결과를 토대로, 향후 중년여성과 노년여성의 생산적 활동 증진을 위한 방안과 시사점을 모색하였다.

• 한국노년학
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• 제40권3호
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• pp.443-458
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• 2020

본 연구는 한국 남녀 노인의 여가활동과 인지기능 간 관계를 탐구하는데 그 목적이 있다. 연구의 목적을 위해 국내 지역사회에 거주하고 있는 65세 이상 노인에 대한 대표성 있는 자료인 노인실태조사 자료를 활용하여 주요변수에 대한 결측값이 없는 10,055명에 대해 로지스틱 회귀분석을 실시하였다. 여가활동은 생산적 및 소비적 여가활동, 미분류 활동의 세 가지 유형으로 구분하였으며 치매선별용 한국어판 간이정신상태검사(Mini Mental Status Examination for Dementia Screening)의 연령, 성별, 교육수준별 기준 점수에 미달하는 경우 인지기능 장애가 있는 것으로 보았다. 연구결과 여가활동 유형 중에서 생산적 여가활동이 유일하게 남녀 한국 노인의 인지기능 장애 관련 요인으로 나타났으며 소비적 여가활동과 미분류 활동은 유의한 관계를 확인할 수 없었다. 생산적 여가활동 외에 연령, 교육수준, 경제활동 참여, 주관적인 청각 장애 및 우울감이 유의한 관련변수로 나타났다. 본 연구결과를 통해 향후 노인 여가정책에 대한 방향을 제시하였다.

• Asian-Australasian Journal of Animal Sciences
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• 제29권9호
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• pp.1222-1228
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• 2016

The objective of this research was to estimate genetic parameters and trends for length of productive life (LPL), lifetime number of piglets born alive (LBA), lifetime number of piglets weaned (LPW), lifetime litter birth weight (LBW), and lifetime litter weaning weight (LWW) in a commercial swine farm in Northern Thailand. Data were gathered during a 24-year period from July 1989 to August 2013. A total of 3,109 phenotypic records from 2,271 Landrace (L) and 838 Yorkshire sows (Y) were analyzed. Variance and covariance components, heritabilities and correlations were estimated using an Average Information Restricted Maximum Likelihood (AIREML) procedure. The 5-trait animal model contained the fixed effects of first farrowing year-season, breed group, and age at first farrowing. Random effects were sow and residual. Estimates of heritabilities were medium for all five traits ($0.17{\pm}0.04$ for LPL and LBA to $0.20{\pm}0.04$ for LPW). Genetic correlations among these traits were high, positive, and favorable (p<0.05), ranging from $0.93{\pm}0.02$ (LPL-LWW) to $0.99{\pm}0.02$ (LPL-LPW). Sow genetic trends were non-significant for LPL and all lifetime production traits. Sire genetic trends were negative and significant for LPL ($-2.54{\pm}0.65d/yr$; p = 0.0007), LBA ($-0.12{\pm}0.04piglets/yr$; p = 0.0073), LPW ($-0.14{\pm}0.04piglets/yr$; p = 0.0037), LBW ($-0.13{\pm}0.06kg/yr$; p = 0.0487), and LWW ($-0.69{\pm}0.31kg/yr$; p = 0.0365). Dam genetic trends were positive, small and significant for all traits ($1.04{\pm}0.42d/yr$ for LPL, p = 0.0217; $0.16{\pm}0.03piglets/yr$ for LBA, p<0.0001; $0.12{\pm}0.03piglets/yr$ for LPW, p = 0.0002; $0.29{\pm}0.04kg/yr$ for LBW, p<0.0001 and $1.23{\pm}0.19kg/yr$ for LWW, p<0.0001). Thus, the selection program in this commercial herd managed to improve both LPL and lifetime productive traits in sires and dams. It was ineffective to improve LPL and lifetime productive traits in sows.

• 한국가금학회지
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• 제35권1호
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• pp.39-55
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• 2008

Like the other herpesviruses, the virion of MDV consists of an envelope, which surrounds an amorphous tegument. Within the tegument, and icosahedral capsid encloses a linear double-stranded DNA core. Although the genome structure of MDV indicates that it is an ${\alpha}-herpesvirus$ like herpes simplex and varicella-zoster viruses, biological properties indicate MDV is more akin to the ${\gamma}-herpesvirus$ group, which includes Epstein-Barr and Kaposi's sarcoma herpesviruses. These herpesviruses replicate lytically in lymphocytes, epithelial and fibroblastic cells, and persist in lymphoblastoid cells. MDV has a complex life cycle and uses two means of replication, productive and non-productive, to exist and propagate. The method of reproduction changes according to a defined pattern depending on changes in virus-cell interactions at different stages of the disease, and in different tissues. Productive (lytic) interactions involve active invasion and take-over of the host cell, resulting in the production of infectious progeny virions. However, some herpesviruses, including MDV, can also establish a non-productive (abortive) infection in certain cell types, resulting in production of cell-associated progeny virus. Non-productive interactions represent persistent infection, in which the viral genome is present but gene expression is limited, there is no structural or regulatory gene translation, no replication, no release of progeny virions and no cell death. Reactivation of the virus is rare, and usually the infectious virus can be re-isolated only after cultivation in vitro. MDV establishes latency in lymphoid cells, some of which are subsequently transformed. In this review article, recent knowledges of the pathogenesis mechanisms followed by MDV infection to sensitive cells and chickens are discussed precisely.

• 한국노년학
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• 제25권2호
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• pp.155-170
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• 2005

본 연구의 목적은 첫째, 한국노인과 캐나다노인의 생산활동참여수준을 비교,분석하는 것이고, 둘째, 한국노인과 캐나다노인의 생산활동참여와 관계가 있는 요소들을 규명, 비교하는 것이다. 본 연구에서는 비교문화적 연구를 위해 두 가지 자료가 사용되었다: 하나는 한국통계청의 1999년 생활시간조사 자료이고, 또 하나는 캐나다통계청의 시간사용조사 자료이다. 연구목적을 달성하기 위해 55세 이상 84세 이하의 총 17,730명의 한국노인과 2,729명의 캐나다노인의 자료가 분석에 사용되었다. 주요연구결과는 다음과 같다. 첫째, 일반적인 생산활동수준 측면에서 볼 때, 한국노인의 총활동시간이 캐나다노인보다 하루 2시간 정도 더 많았으며, 활동유형별로 나누어 보면, 유급활동시간은 한국노인이 더 많았고, 무급활동시간은 캐나다노인이 더 많았다. 둘째, 본 연구에서 사용된 독립변수 중 가장 강력한 예측변수는 은퇴여부였다. 한국노인의 무급활동시간과의 관계를 제외하고는 모든 표본 집단에서 유의한 관계를 보였는데, 전체적으로 은퇴한 노인들의 무급활동시간은 증가하였고, 무급활동시간은 감소하였다. 본 연구의 결과는 국적과 성별을 불문하고 노인들이 여전히 생산활동에 종사하고 있음을 나타내고 있으며, 이는 특히 활동의 정의가 무급활동을 포함하는 범위까지 확대되는 경우에 그러하다. 즉 유급활동의 끝이 생산적인 삶의 끝은 아님을 알 수 있었다.

• 가정과삶의질연구
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• 제23권3호
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• pp.53-62
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• 2005

In this study, we challenge recent apocalyptic rhetoric about idle, burdensome, and dependent older people. Our primary objective is to examine and compare the productive activities of older adults in both Korea and Canada using a broader definition of productivity that included household work. Another objective is to identify and compare the factors related to the participation of household work of older adults in both countries. In order to conduct a comparative culture study two data sets were used; one was the 1999 Survey of Time Use collected by Korean Statistics Office and the other was 1998 Survey of Time Use collected by Canadian Statistics Office. Many countries have been collected a time use survey and used to study labor, welfare, and culture. Total number of 17,730 Korean and 2,729 Canadian between when and 84 were included to analyze the data. It is clear from the results that older people engage in productive behaviors, particularly when the definition of activities is broadened to include unpaid work. However, it is also clear the productive contributions in terms of household work ale lower among older Koreans than among older Canadians.

• Molecules and Cells
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• 제37권7호
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• pp.518-525
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• 2014

Gammaherpesvirus (${\gamma}HV$) infection of the central nervous system (CNS) has been implicated in diverse neurological diseases, and murine ${\gamma}HV$-68 (MHV-68) is known to persist in the brain after cerebral infection. The underlying molecular mechanisms of persistency of virus in the brain are poorly understood. Here, we characterized a unique pattern of MHV-68 persistent infection in neuroblastoma cells. On infection with MHV-68, both murine and human neuroblastoma cells expressed viral lytic proteins and produced virions. However, the infected cells survived productive infection and could be cultured for multiple passages without affecting their cellular growth. Latent infection as well as productive replication was established in these prolonged cultures, and lytic replication was further increased by treatment with lytic inducers. Our results provide a novel system to study persistent infection of ${\gamma}HVs$ in vitro following de novo infection and suggest application of MHV-68 as a potential gene transfer vector to the brain.

• 기술사
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• 제39권1호
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• pp.70-73
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• 2006

New human sense of value in Knowledge Society of 21th Century is reestablished by that it demanded new thinking for changed today's stage. Reestablishment of new human sense of value is considered by tradition and custom, and now then today's social standard due to focus. Productive human sense of value do to recreate for all round human relations and fertility human life demand it. Korea National Statistical Office(http://www.nso.go.kr-Dec 20. 2005) was officially announced it. that Korean Life Table(2003) presented the reminder of human life and roughly equation model of 'the reminder of human life' is 'Korean average longevity of human life-Present Korean age=About the reminder of human life' on the basic 2003 year. And then we will live a life worth living for our remaining day