• 제목/요약/키워드: Human study

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미국가계의 인적자본에 대한 투자 (Human Capital Investment Expenditures: A Comparison of Female-Headed and Married-Couple Households)

  • 이윤금
    • 대한가정학회지
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    • 제35권4호
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    • pp.229-242
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    • 1997
  • the purpose of this study is to investigate the effect of household type on human capital enhancement expenditures and to compare the difference in these expenditures between female-hemale-headed and married-couple households. Data for this study were from the 1990-91 Consumer Expenditure Survey(CES) and consisted of a sample of 7,225 married-couple and 1,391 female-headed households with children under age 18. The dependent variable to measure human capital expenditures was the sum of four sub-components-education reading leisure and health care expenditures. Tobit analysis with a dummy variable for household type was used to identify the effect of household type on the dollars spent on human capital expenditures. The effect of household type was significant in human capital expenditures indicating that female-headed households spent significantly less for this category than did married-couple household holding other factors constant. the findings of this study suggested that income from a public assistance program was associated with lesser expenditures on human capital while social security income source was associated with greater human capital expenditures, It was also found that the addition of family members between ages of 6 and 17 positively affected human capital expenditures. Understanding these factors is useful for family resource management professionals who work with female-headed households.

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분뇨수집 및 운반에 관한 적정방안 연구 (A Study on Proper Strategies regarding Collection and Transport of Human Feces)

  • 유대현;이용훈;이장훈;강선홍
    • 상하수도학회지
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    • 제27권1호
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    • pp.91-99
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    • 2013
  • In this study, a current condition of human feces-collecting and transporting business of local government was investigated using statistical data to efficiently derive proper systematic management plan for human feces-collecting and transporting business. According to the data for human feces-collecting and transporting business from 2006 to 2010, it turned out that the number of people working in this field and the amount of human feces produced and processed were decreased. They were decreased by 292 places, 1,077 employees, $904m^3/day$, and $121m^3/day$, respectively. In addition, the number of human feces-collecting and transporting business has been decreased causing an extra amount of manpower and the number of employees working in the field decreased. In this study, the reasons for financial difficulties of human feces-collecting and transporting business were analyzed. Finally the alternative plans were suggested to replace currently closed business due to management deterioration.

과학기술과 결합된 패션디자인의 기능성에 관한 연구 (A Study on Functionality of Fashion Design Combined with Technology)

  • 권기영
    • 한국의류학회지
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    • 제28권1호
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    • pp.88-99
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    • 2004
  • The purpose of this study is to observe the significance and symbolic meaning of fashion design which is combined with machines, and to develop excellent designs in aesthetic aspects. The method of this study analyzed the related documents and journal, fashion magazines. The results is as follows. The cyborg discourse and virtual human body in virtual world predict the existence of new human. In present times, up-to-date equipments such as wearable computer have begun to be built-in clothing based on technology, and these dress and ornaments influence on human's life gradually in practicality and ability. These equipments are divided as military affairs, medical treatment equipment, leisure, information access and communication, guard, and business assistance. And according to the kind of item, they are divided by headwear, clothing and accessory. The significance of clothing combined with machine is practical viewpoint, economical viewpoint and aesthetic viewpoint. And the symbolic meaning of these fashion combined machine with technology is dis-identity in digital society, dis-borderness between human and machine and the uncertainty of human being. Like this, the clothing which is combined with high-technology shapes its own unique and individual system. But, this must escape from the limit of medium system itself that is technology to become a future clothing for human, suggest new agenda about human and society, and confirm the human being's existence and identity continually.

고속철도 운전직무의 휴먼에러 감축방안을 위한 실증적 연구 (An Empirical Study on method to Reduce of Human Error of High-Speed Train Drivers)

  • 주창훈;김태길;임정운;강경식
    • 대한안전경영과학회지
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    • 제16권2호
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    • pp.1-9
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    • 2014
  • This study tried to propose plan to prevent human error of railroad driver among human error of railroad worker which takes great share in railroad accident. For this, in order to maintain correlation between the accident actually occurred after the opening of high-speed railroad and experience of accident that did not happened, survey on respondent was analyzed by conducting survey on KTX captain who is working in driving work of high-speed railroad, and instruction management team manager who manages KTX captain and captain. This thesis classified the factors by human factor, job factor, environment factor, organization factor, and established human error management model by comparing and analyzing how each factors have spatial interrelations with a railroad accident. The purpose of this study is to contribute to make safe railroad, and reliable railroad by preventing human error accident by minimizing human error of high-speed railroad drivers, and improving driving workers to cope accurately and fast with irregularities through various institutional improvement, improvement of driving facilities, improvement of operating room environment, and improvement of education system.

Global Value Chain Formation and Human Capital: Case of Korea and ASEAN

  • Li, Jia-En;Choi, Young-Jun
    • Journal of Korea Trade
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    • 제25권6호
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    • pp.126-142
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    • 2021
  • Purpose - This study discusses the effects of human capital in the formation of GVC linkages. We also investigate GVC intensity between Korea and ASEAN. Design/methodology - To solve the doubling-counting problem in evaluating comparative advantage, RCA has been re-computed using domestic value-added (henceforth RCA_VA) at the country-sector level instead of value of trade. The impact of human capital on GVC intensity was empirically analyzed by establishing a panel data set with four industries (ISIC Rev. 4) in eight ASEAN countries from 2005 to 2015 from OECD-TiVA and WDI. Findings - The empirical results show that human capital has a negative effect on GVC intensity in the agriculture and manufacture industries, while it has a positive effect in the service and information industries. The results do not mean that low human capital is a barrier and inefficient to GVC linkages. Low Value-added activities may be more profitable to some emerging countries. These findings suggest that it is important to accurately identify the competitive elements to increase gains from trade under the GVC. Also, it shows that comparative advantages can be misled by an RCA index evaluated in trade volume under the GVC. Originality/value - This study highlights the importance of human capital as a factor for the efficient formation of Global Value Chain (GVC). This study has different from the literature in analyzing the role of human capital in formation of linkage of the GVC. And we clarify the changing patterns of trade by removing the double-counting problem under the GVC.

AHP 방법을 통한 헬리콥터 다빈도 사고의인적오류 위험도 분석에 관한 연구 (A Study on Human Error Risk Analysis of Helicopter Frequent Accidents through AHP Method)

  • 유태정
    • 한국항공운항학회지
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    • 제31권2호
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    • pp.46-54
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    • 2023
  • Helicopter pilots are required to perform many visual workloads in topographical avoidance, flight path modification and navigation, because helicopters operate at very low altitudes. The helicopter-specific instability also require the pilot to have precise perception and control. This has caused frequent human error in helicopter accidents. In Korea, two to three cases have occurred annually on average over the past 10 years, and this trend has not decreased. The purpose of this study was to identify human error risks in advance to prevent helicopter accidents and to help develop measures for missions and mission phases with high risk of human error. Through the study, the tasks and mission phases where accidents occur frequently were classified and the risk of human error was calculated for each mission phases. To this end, the task of frequent accidents during helicopter missions was first identified, detailed steps were classified, and the number of accidents was analyzed. Next, the AHP survey program was developed to measure the pilot's risk of human error and the survey was conducted on the pilots. Finally, the risk of human error by helicopter mission and by mission phases calculated and compared with the actual number of accidents.

육군 홍보 및 모병 방향에 관한 연구 -미 육군의 홍보 및 모병 전략을 중심으로- (A Study on Direction of Promote and Acquisition Program of Human Strength(Focus on US Army))

  • 이정훈
    • 융합보안논문지
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    • 제13권2호
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    • pp.165-173
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    • 2013
  • 국방개혁과 안보환경의 변화, 저출산으로 인한 병역자원 부족 등으로 우리도 병역체계 변화를 준비해야 할 시기가 도래하고 있다. 이에 선진국의 병역체계를 연구하여 우리의 실정에 맞는 제도를 갖춰 나가는 것이 바람직한 방법이다. 미 육군의 경우는 통합된 입대절차를 보장하기 위해 교육사 예하에 입대사령부를 창설하였으며, 그 예하에 모병사령부, 후보생사령부, 육군훈련소를 두고 있으며, 한국 육군은 인사사령부를 창설하여 현행 인사관리와 병력 획득업무를 총괄하고 있다. 한국도 미국이 시행착오를 범하면서 지나온 과정을 겪고 있다. 현재 우리는 사회적 정치적 이슈의 변화와 신세대의 요구 등에서 모병환경이 변하고 있다. 최근의 변화요소들 중에 모병에 유리할 것은 청년인구와 젊은이들이 공무원이나 안정된 직업을 원하고 있다는 것과 실업률 증가, 대학 학기상승과 관련한 재정적인 부담, 아프가니스탄 및 이라크 등 전쟁관련 국민의 관심 증대, 다양한 군복무 지원정책의 개발 등이 있다. 미 육군의 모병업무는 기본적으로 경영학적 모델을 연구하여 적용하고 있으며, 모병 홍보전략을 풍부한 재정적 뒷받침 하에 수립하고, 연방정부로부터 각종 통계자료와 D/B를 제공받아 활용하면서 많은 대학, 연구소들과 연계된 프로그램을 개발하고 타군과도 긴밀히 관계를 유지하며 적극적으로 모병업무를 수행하고 있다. 우리도 과학적인 체계를 구축하여 통합된 모병을 해야하는 시점에 와 있다.

얼굴의 진단적인 가치에 대한 기초적 연구 (A basic study on the diagnostic values of facial color and shape)

  • 김경철;이정원
    • 대한한의진단학회지
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    • 제22권1호
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    • pp.19-31
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    • 2018
  • For the purpose of the basic educated-establishment on the diagnostic methods of "facial color and shape which reflect human's spiritual essence and personality", we study on the diagnostic value and application of the human face. The study's domain is divided the form and color of human face. And the form and color of human face is respectively observed the diagnostic value and contents. The form of human face reflect plenty the information of the mankind, and the observation of the face is applied to the "Physiognomie" refering to the external features of humans. Therefore the diagnosis on the form of human face is the primary factor in the grouping of five-element human, the discrimination of the Sasang constitution, and the classification of Hyunsang type. The color of human face reflect the physical information of internal organs and the pathological change of disease, therefore we examine the region, character and grade of disease by the inspection of complexion including the changes of color and luster of the facial skin. The inspection on the color is also the primary factor in the grouping of five-element human, the classification of Hyunsang and the differentiation of syndromes. The value of the inspection of complexion including the changes of color and form of the face is widely known. In the future, we think, we need to study more about the theory of the diagnostic value and application of the human face.

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Tentative identification of 20(S)-protopanaxadiol metabolites in human plasma and urine using ultra-performance liquid chromatography coupled with triple quadrupole time-of-flight mass spectrometry

  • Ling, Jin;Yu, Yingjia;Long, Jiakun;Li, Yan;Jiang, Jiebing;Wang, Liping;Xu, Changjiang;Duan, Gengli
    • Journal of Ginseng Research
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    • 제43권4호
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    • pp.539-549
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    • 2019
  • Background: 20(S)-Protopanaxadiol (PPD), the aglycone part of 20(S)-protopanaxadiol ginsenosides, possesses antidepressant activity among many other pharmacological activities. It is currently undergoing clinical trial in China as an antidepressant. Methods: In this study, an ultra-performance liquid chromatography coupled with triple quadrupole time-of-flight mass tandem mass spectrometry method was established to identify the metabolites of PPD in human plasma and urine following oral administration in phase IIa clinical trial. Results: A total of 40 metabolites in human plasma and urine were identified using this method. Four metabolites identified were isolated from rat feces, and two of them were analyzed by NMR to elucidate the exact structures. The structures of isolated compounds were confirmed as (20S,24S)-epoxydammarane-12,23,25-triol-3-one and (20S,24S)-epoxydammarane-3,12,23,25-tetrol. Both compounds were found as metabolites in human for the first time. Upon comparing our findings with the findings of the in vitro study of PPD metabolism in human liver microsomes and human hepatocytes, metabolites with m/z 475.3783 and phase II metabolites were not found in our study whereas metabolites with m/z 505.3530, 523.3641, and 525.3788 were exclusively detected in our experiments. Conclusion: The metabolites identified using ultra-performance liquid chromatography coupled with triple quadrupole time-of-flight mass spectrometry in our study were mostly hydroxylated metabolites. This indicated that PPD was metabolized in human body mainly through phase I hepatic metabolism. The main metabolites are in 20,24-oxide form with multiple hydroxylation sites. Finally, the metabolic pathways of PPD in vivo (human) were proposed based on structural analysis.

반도체산업에서의 인적오류제어방법 및 연구 (A method and analysis of human-error management of a semiconductor industry)

  • 윤용구;박범
    • 대한안전경영과학회지
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    • 제8권1호
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    • pp.17-26
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    • 2006
  • Basis frame-work's base in a semiconductor industry have gas, chemical, electricity and various facilities in bring to it. That it is a foundation by fire, power failure, blast, spill of toxicant huge by large size accident human and physical loss and damage because it can bring this efficient, connect with each kind mechanical, physical thing to prevent usefully need that control finding achievement factor of human factor of human action. Large size accident in a semiconductor industry to machine and human and it is involved that present, in system by safety interlock defect of machine is conclusion for error of behaviour. What is not construing in this study, do safety in a semiconductor industry to do improvement. Control human error analyzes in human control with and considers mechanical element and several elements. Also, apply achievement factor using O'conner Model by control method of human error. In analyze by failure mode effect using actuality example.