• The Transactions of The Korean Institute of Electrical Engineers
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• v.64 no.2
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• pp.349-352
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• 2015

This paper estimates electrical fire damage cost-effect to analyze electrical safety efficiency by applying a cost-benefit analysis method for analyzing the efficiency of a business public interest. Electrical fire loss statistics data was presented as direct costs and casualties, including deaths due to an electrical fire, this paper adds overhead "Incidental Cost of Accidents to the Employer" by W. H. Heinrich was applied to estimate the cost of economic loss. Also wounded, including the loss of human deaths by referring to the car accident insurance claims costs and human development estimated the losses caused by an electrical fire. And to perform a cost-benefit analysis of the electrical safety as a result of future work. In this paper, the economic effect of the electric field of safety and public interest work to systematically presented.

• The Bulletin of The Korean Astronomical Society
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• v.35 no.2
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• pp.72.1-72.1
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• 2010

We present infrared and millimeter observations of the active star-forming complex W51. A $1.25\;deg\times1.00\;deg$ region that includes the W51 complex was covered in the J = 2 - 1 transition of the $^{12}CO$ and $^{13}CO$ molecules with the University of Arizona Heinrich Hertz Submillimeter Telescope. We use a statistical equilibrium code to estimate physical properties of the molecular gas. Using Spitzer data we identify young stellar objects (YSOs) and fit model spectral energy distributions to these sources and constrain their physical properties. We compare the molecular cloud morphology with the distribution of infrared and radio continuum sources and find associations between molecular clouds and YSOs. We estimate that about 1% of the cloud mass is currently in YSOs.

• Journal of Korean Society of Disaster and Security
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• v.7 no.1
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• pp.1-8
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• 2014

This research has been studied through the actual conditional investigation about street monitoring from January to December of 2013 in Seoul city primally. As the result of this research, it has been performed aleady the Seoul city's BIS (Balanced Index Score) goal of 2013. The 18,490 cases were reported through the street monitoring activities. Despite of increasing drastically for 1,151 cases's record of 2012, Street monitoring activity appeared wide variations in the region, ages, vocation and gender. Also it depended on 25 outstanding persons of merely 3.9%. They reported 13,880 cases that run to 75.1%. On the basis of Herbert W. Heinrich's Domino theory and law of 1:29:300, the dead of 54, seriously and the slightly injured of 1,573 and the latent injured of 16,275 were decreased by eliminating unsafe state. It respected and protected the 17,903 Seoul citizen's life. This study suggested a effective improvemental method of monitoring activity by dawing a problem through Seoul and Gangdong-gu street monitor comparative analysis.

• Korean Journal of Weed Science
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• v.17 no.1
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• pp.44-51
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• 1997

Glyphosate had no effect on 5-enolpyruvylshikimate-3-phosphate synthase(EPSP-synthase) biosynthesis per se. But it inhibited clealy the activity of EPSP-synthase. EPSP-synthase seemed to be synthesized as a higher molecular weight(54 kDa) presusor protein and to be transported into plastid. The apparent molecular weight of mature EPSP-synthase in plastid is 45 kDa. Thus, the molecular size of transit peptide appeared to be about 9 kDa. The etiolation for 48 h after glyphosate application did not exhibit the inhibition of translocating level of EPSP-synthase across chloroplast envelope in actively growing meristematic leaves. But even when the plants were etiolated 2 hr after glyphosate treatment, a complete inhibition did not occur at least within 12 hr, i.e. 2 hr after beginning light period, suggesting that EPSP-synthase biosynthesis appeared to be not completely light dependent and the level of EPSP-synthase translocation to chloroplast could be controlled by an unknown regulatory mechanism of light dependent herbicidal effect of glyphosate.

• Korean Security Journal
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• no.16
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• pp.321-338
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• 2008

Soongrae-Mun Fire shows safety problem in Korea intimately. People have pressed for the responsibility of persons in charge and have asked for improvement measure whenever Fire accident occur, but similar accidents occur again without any improvement. This research is to provide improvement. measure on the base of the analysis of the cause of Soongrae-Mun fire to prevent similar accident, also to help private security company do effective security job. This research is approached from a security point of view. A lot of accidents occur by direct cause such as people's unsafe action and unsafe condition. but it is very difficult to remove the facts of direct cause, so the facts of indirect cause should be analyzed together. Drew-up of security related legislation should be included when the establishment of fire fighting related legislation is examined, also technical improvement should be examined with legislation. security company should be concerned about securing of expertise and reinvestment for the improvement of expertise to overcome limitations of private security such as job boundary, capability and responsibility. Also private security company should try to service for public benefit and to examine practical compensation for loss occurred by mistake of security company.