• 한국노년학
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• 제32권2호
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• pp.631-647
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• 2012

본 연구는 갱년기 여성들의 발달현상에 대한 태도와 폐경증상이 삶의 의미에 미치는 영향을 살펴봄으로써 갱년기 여성의 삶의 질 향상에 필요한 기초자료를 제공하고자 하였다. 이러한 연구목적을 달성하기 위해 D광역시와 C시, 그리고 기타 지역에 거주하는 40-60세의 갱년기 여성 313명을 대상으로 하였다. 설문조사 대상은 비확률 표집방법 중 편의표집 방법을 이용하여 표집 하였으며, 수집된 자료는 SPSS 프로그램을 이용하여 분석하였다. 본 연구의 주요 연구결과는 다음과 같다. 첫째, 갱년기 여성들은 발달현상에 대해 그다지 긍정적인 태도를 보이지 않았으며, 폐경증상은 가끔 심하였고, 삶의 의미 수준은 그다지 높지 않았다. 둘째, 갱년기 여성들은 발달현상에 대한 태도가 긍정적일수록 삶의 의미 수준이 높았고, 폐경증상이 심할수록 삶의 의미 수준이 낮았다. 셋째, 갱년기 여성의 삶의 의미에는 발달 현상에 대한 태도와 폐경증상이 영향을 미쳤으며, 특히 폐경에 대한 태도와 정신적 증상이 큰 영향을 미쳤다. 이러한 연구결과를 볼 때, 갱년기 여성들의 삶의 의미를 높여주기 위해서는 폐경증상과 관련한 신체적 건강과 발달현상에 대한 태도와 관련된 심리적 건강 향상을 위한 사회복지적 개입이 이루어져야 할 것이다. 또한 정책적 차원에서 갱년기 여성들이 건강한 삶을 유지할 수 있도록 지역 내 복지시설의 개방하고, 갱년기 준비를 위한 교육이 실시될 필요가 있으며, 다양한 차원에서 사회복지 상담 서비스의 실천이 요구된다.

• 한국발생생물학회지:발생과생식
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• 제19권1호
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• pp.53-60
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• 2015

Environmental conditions during early mammalian embryo development are critical and some adaptational phenomena are observed. However, the mechanisms underlying them remain largely masked. Previously, we reported that AQP5 expression is modified by the environmental condition without losing the developmental potency. In this study, AQP11 was examined instead. To compare expression pattern between in vivo and in vitro, we conducted quantitative RT-PCR and analyzed localization of the AQP11 by whole mount immunofluorescence. When the fertilized embryos were developed in the maternal tracts, the level of Aqp11 transcripts was decreased dramatically until 2-cell stage. Its level increased after 2-cell stage and peaked at 4-cell stage, but decreased again dramatically until morula stage. Its transcript level increased again at blastocyst stage. In contrast, the levels of Aqp11 transcript in embryos cultured in vitro were as follows. The patterns of expression were similar but the overall levels were low compared with those of embryos grown in the maternal tracts. AQP11 proteins were localized in submembrane cytoplasm of embryos collected from maternal reproductive tracts. The immune-reactive signals were detected in both trophectoderm and inner cell mass. However, its localization was altered in in vitro culture condition. It was localized mainly in the plasma membrane of the blastocysts contacting with external environment. The present study suggests that early stage embryo can develop successfully by themselves adapting to their environmental condition through modulation of the expression level and localization of specific genes like AQP11.

• 한국비블리아학회지
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• 제19권2호
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• pp.107-128
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• 2008

이 연구는 정신적 장애의 일종인 발달장애아를 둔 가족의 정보빈곤 양상을 묘사하고자 한 사례연구이다. 일반적으로 장애인들은 가족에 대한 의존이 높다. 발달장애와 같은 정신적 장애인의 경우는 생활의 모든 것을 절대적, 배타적으로 가족에게 의존한다. 정보의 관점에서 볼 때에도 본인의 정보요구에 대한 정확한 인지가 없고 정보활용능력이 부족한 정신적 장애인은 정보중개자로서의 가족의 역할에 지대한 영향을 받는다. 따라서 가족은 일상 속에서 장애아의 교육과 치료를 위한 정보적 도움을 절실하게 필요로 한다. 이러한 배경에서 이 연구는 발달장애아를 둔 가족의 삶 속에서 나타나는 일상적 고민과 정보요구 그리고 그에 대한 대처 양상을 통해 정보추구행태에 나타나는 특성을 살펴보았다. 또한 그 과정에서 그들에게 노정되어 있는 정보빈곤의 양상과 그러한 정보빈곤을 만들어낸 내 외적 요인을 파악하고자 하였다.

• 한국초등과학교육학회지:초등과학교육
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• 제19권2호
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• pp.57-74
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• 2000

Students' concepts of scientific phenomena have become a point of focus in science education research. This study investigated into developmental process and mechanism of the students' respiration concept through a cross-age study. This study utilized the 1st, 3rd, 6th grade elementary students to find out changes in student's understanding of the concept of respiration. The 1st and 3rd grade level students were interviewed what the respiration mean and whether each of living things respires, etc. The 6th grade students were interviewed and tested. Respiration is a word that students come across often in everyday life. It was found that they were more likely to associate respiration with its more common concept of breathing or gas exchange as opposed to its more scientific definition as the process in which nutrients are oxidized to provide energy. This trend didn't improve as they advanced grade. This is an indication that the knowledge system of student is split into a generic knowledge system and scientific knowledge system. Understanding of concept increased and differentiated across grade levels but that understanding was limited. They overcome their tendency to base their understanding of respiration on their understanding of human phenomena and learn to integrate their understanding of biological phenomena through a one organ - one role type of logic. They also intuitively explain everything based on their own experience.

• Nuclear Engineering and Technology
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• 제36권5호
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• pp.388-402
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• 2004

A phenomena identification and ranking table(PIRT) was developed for a main steam line break (MSLB) event for the Advanced Power Reactor-1400 (APR-1400). The selectee event was a double-ended steam line break at full power, with the reactor coolant pump running. The developmental panel selected the fuel performance as the primary safety criterion during the ranking process. The plant design data, the results of the APR-1400 safety analysis, and the results of an additional best-estimate analysis by the MARS computer code were used in the development of the PIRT. The period of the transient was composed of three phases: pre-trip, rapid cool-down, and safety injection. Based on the relative importance to the primary evaluation criterion, the ranking of each system, component, and phenomenon/process was performed for each time phase. Finally, the knowledge-level for each important process for certain components was ranked in terms of existing knowledge. The PIRT can be used as a guide for planning cost-effective experimental programs and for code development efforts, especially for the quantification of those processes and/or phenomena that are highly important, but not well understood.

• 아동학회지
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• 제29권5호
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• pp.243-269
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• 2008

The role of domain-specific causal mechanism information and domain-general conditional probability in young children's causal reasoning on physics and psychology was investigated with the participation of 121 3-year-olds and 121 4-year-olds recruited from seven child care centers in Seoul, Kyonggi Province, and Busan. Children watched moving pictures on physical and psychological phenomena, and were asked to choose an appropriate cause and justify their choice. Results showed that young children's causal reasoning differed depending on domain-specific mechanism. In addition, their causal reasoning on physics and psychology differed by the developmental level of causal mechanism. The interaction of domain-specific mechanism and domain-general conditional probability influenced children's causal reasoning : evident conditional probability between domain-appropriate cause and effect helped children make more inferences based on domain-specific causal mechanism.

• 한국발생생물학회지:발생과생식
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• 제16권4호
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• pp.235-251
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• 2012

The reproductive activity in male mammals is well known to be regulated by the hypothalamus-pituitary-gonad axis. The hypothalamic neurons secreting gonadotropin releasing hormone (GnRH) govern the reproductive neuroendocrine system by integrating all the exogenous information impinging on themselves. The GnRH synthesized and released from the hypothalamus arrives at the anterior pituitary through the portal vessels, provoking the production of the gonadotropins(follicle-stimulating hormone (FSH) and luteinizing hormone (LH)) at the same time. The gonadotropins affect the gonads to promote spermatogenesis and to secret testosterone. Testosterone acts on the GnRH neurons by a feedback loop through the circulatory system, resulting in the balance of all the hormones by regulating reproductive activities. These hormones exert their effects by acting on their own receptors, which are included in the signal transduction pathways as well. Unexpected aberrants are arised during this course of action of each hormone. This review summarizes these abnormal phenomena, including various mutations of molecules and their actions related to the reproductive function.

• 한국발생생물학회지:발생과생식
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• 제17권3호
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• pp.149-177
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• 2013

Living beings are surrounded by various changes exhibiting periodical rhythms in environment. The environmental changes are imprinted in organisms in various pattern. The phenomena are believed to match the external signal with organisms in order to increase their survival rate. The signals are categorized into circadian, seasonal, and annual cycles. Among the cycles, the circadian rhythm is regarded as the most important factor because its periodicity is in harmony with the levels of melatonin secreted from pineal gland. Melatonin is produced by the absence of light and its presence displays darkness. Melatonin plays various roles in creatures. Therefore, this review is to introduce the diverse potential ability of melatonin in manifold aspects in living organism.

• 한국IT서비스학회지
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• 제11권4호
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• pp.309-333
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• 2012

Recently, emergence of smart-phones and Social Networking Service(SNS) would offer the market environment changes and the opportunities for new business. For the case analysis comprehensive survey were implemented. And those data were analyzed along the research framework. The late-comer firms offered differential services, maintained creative and opened corporate culture, shoed learning capabilities which means absorption and organization of external knowledge, innovative efforts to control the insurgents than early-mover firms. When we analyze these phenomena along the developmental stages of late-comer, we can perceive that the stage of late-comers firms were moving from the "tracing the path" stage to "jumping the path" stage which means the creating capabilities were more or less enhanced and the firms become more stable in terms of business operation. In business model, early-mover firms showed clear definition for each business element, especially the revenue structure, while late-mover firms seemed unstable or unclear revenue structure.

• 한국사회복지학
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• 제61권1호
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• pp.33-55
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• 2009

본 연구는 1980년 이후 사회복지조직의 효과성 연구를 다룬 논문 20편의 연구경향을 파악함으로써 사회복지조직의 조직현상에 대한 이해 도모, 조직관리에의 실천적 함의 제공 및 향후 사회복지조직의 조직효과성 연구에 대한 제언을 하고자 하였다. 분석결과, 대부분의 연구가 사회복지관과 생활시설을 대상으로 이루어졌으며, 조직효과성의 이론적 기반으로 내부과정접근모델이 가장 많이 적용되고 있어, 향후 사회복지조직의 성장과 외부의 요구에 부응하기 위해서는 다양한 조직과 지표 및 연구방법론의 활용이 필요한 것으로 파악되었다. 조직관리 측면에서 조직효과성에 긍정적인 영향을 주는 집단적 개발적 조직문화, 분권적 조직구조, 변혁적 리더십, 외부와의 개방적 관계 활용을 제안하였다.