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The Performance Measurement in the construction industry is more important recently. Various researches about PMS (Performance Measurement Systems), such as the government-oriented PMS in U.K. have been done. As growing concern at new vision and target in the Korean construction industry, it is needed to manage the growth of the construction industry using performance measurement. The purpose of this study is to recommend the framework for development of PI(Performance Index) and KPIs(Key Performance Indicators) focusing on the Korean construction industry. First, the framework for development of PI is suggested through literature survey and studying cases performed in the U.K. Second, KPls are suggested through analyzing limitations and problems appeared in the existing researches, questionnaire survey, and interviews to verify and supplement limitations and problems. Finally, the validity of the proposed KPIs are validated by three case studies. This study also suggests the expected effects and further research fields.
The purpose of this study is to increase the operational efficiency of Tact Planning and Scheduling through effective labor control based on fairly reasonable creation of work area. The main result of the study are as follows: 1) Specific section of work area for electric work lead to no division of zone between internal residence area and bathroom. And designate the work area of each floor so that it would manage labor control effectively. 2) When it comes to equipment work. It set up work area according to "floor" taking account into more frequent unit work comparatively than floor work. The study recommends that. As a future research, eventually aims at establishment of integrated system of labor control Tact Planning and Scheduling by combining respectively divided system into one.
Kyung-Rai Yeom(염경래),Soo-Hun Kim(김수훈),Hyung-Ji Song(송현지),Ye-Jin Kim(김예진),Chang-Jun Sung(성창준),Hye-Min Jung(정혜민),Yun-Goo Kang(강윤규),Ji-Sun Lim(임지선),Jae-Han Lee(이재한),Taek-Keun Oh(오택근) 한국토양비료학회 2017 한국토양비료학회 학술발표회 초록집 Vol.2017 No.10
Besides cost and quality, time is an important management point in the construction projects. It may be considered a competitive power as well as a cost reduction effect that a contractor shortens as possible the construction duration with keeping the requirement. But in case of investigation into the actual data of construction projects, it is especially highlighted that finishing work duration of domestic construction projects is much longer than that of in other advanced construction industry. Through reviewing the existing literature related to the schedule management and performing the questionnaire survey and the expert interview, this study proposes a process model to manage the finishing work of building construction effectively and also to reduce the required duration of the finishing work. The model consists of three steps. The first step is a basic planning process, the second step is a detail planning process, and the last step is a operation and maintenance process.
A different type of hepatitis B vaccine was prepared by purification of HBsAg from a pool of plasma containing surface antigen. After purification, the HBsAg was inactivated by double-heat treatment, 2 minutes 40 secs at 102℃ and 10 hours at 65℃. The heat-inactivated HBsAg was absorbed to aluminum phosphate. One dose of vaccine containing 3ug HBsAg absorbed to 0.6mg AIPO₄. The final product met the guideline recommended by WHO and KNIH(Korean National Institute of Health). After establishing the safety and immunogenicity of vaccine in chimpanzee and human volunteers, fifty children were administered at the intervals of one month with three intramuscular injections of a dose of vaccine containing 1.5ug or 3ug of HBsAg. Thirty five out of thirty seven children injected by a dose of vaccine containing 1.5ug of HBsAg and twelve out of thirteen children injected by a dose of vaccine containing 3ug of HBsAg have formed anti-HBs in two months after last vaccination.
Bleomycin is used clinically against various tumors, but diffuse interstitial pulmonary fibrosis has been recognized as a severe complication. Ferrous iron and bleomycin in the presence of reducing agents stimulate DNA degradation. This process causes the reduction of oxygen and the production of toxic oxygen metabolites, which may play a role in the ability of this drug to break down DNA. We studied the effect of bleomycin on superoxide production, as well as enzyme activities related to toxic oxygen metabolites in lung submitochondrial particles and the mitochondria of rats, respectively. The results were as follows; 1) In the saline-pretreated group, the amount of superoxide produced and the ratio of superoxide production to NADH consumption increased by 12.5% and 76.6% compared with basal levels at 2㎍/㎖ and 5㎍/㎖ of the added bleomycin concentration, respectively. 2) In the bleomycin-pretreated group, the amount of superoxide produced and the ratio of superoxide produaction to NAHD consumption increased by 18.2% and 238.7% compared with basal levels at 2㎍/㎖ and 10㎍/㎖ of the added bleomycin concentration, respectively. 3) Superoxide production in the bleomycin-pretreated group was elevated by 37.5% at basal level, and by 44. 4% at 2㎍/㎖ of the added bleomycin concentrations compared with the saline-pretreated group. 4) The cytosolic enzyme activities of superoxide dismutase, catalase, and peroxidase in the lung of bleomycin-pretreated rats increased by 125%(p<0.001), 54%(p<0.01) and 78%(p<0.01) compared with the saline-pretreated groups, respectively. Of the mitochondrial enzyme activities, superoxide dismutase increased by 203%(p<0.001), catalase decreased by 17%(p<0.01) and peroxidase increased by 7% compared with the saline-pretreated groups, respectively. The above findings suggest that superoxide production is stimulated by bleomycin administration in the mitochondria of rat lungs.