• Proceedings of the Korean Society of Soil and Groundwater Environment Conference
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• 2004.09a
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• pp.159-163
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• 2004

This study was conducted to calculate the permeability coefficient in a single fracture while taking the true fracture geometry into consideration. The fracture geometry was measured using the confocal laser scanning microscope (CLSM). The CLSM geometry data were used to reconstruct a fracture model for numerical analysis using a homogenization analysis (HA) method. The HA is a new type of perturbation theory developed to characterize the behavior of a micro-inhomogeneous material that involves periodic microstructures. The HA permeability was calculated based on the local geometry and local material properties (water viscosity in this case). The results show that the permeability coefficients do not follow the theoretical relationship of the cubic law.

• THE INTERNATIONAL COMMERCE & LAW REVIEW
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• v.40
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• pp.147-167
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• 2008

This paper investigates changing business transaction under the e-commerce environment and their implications on freight transport industry with some case studies. It shows that an efficient and reliable delivery system is essential for e-commerce as business industries are faced with the stricter and more diversified demands of customer. In addition, many aspects of business practices such as small batch, customized production and just-in-time distribution in the e-commerce environment, in turn, bring about a number of changes in the volume and service patterns of freight transport. E-commerce requires longer transport distances and often higher delivery frequencies. It also entails to a certain extent a modal shift towards truck and air freight transport modes. On the one hand, the logistical requirements of e-commerce goods may stimulate greater complexity in existing supply chain management, causing higher costs. However it is true that the increased visibility of goods through more efficient information flow allows more efficient and effective transport management in the logistics system.

• THE INTERNATIONAL COMMERCE & LAW REVIEW
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• v.63
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• pp.245-260
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• 2014

This study is aimed to summarize a tense situation of Risk management for Kaesong Industrial Business Enterprise in 2013 and to investigate trade insurance of K-sure. Now we have to find a new way to protect Kaesong Industrial Business Enterprises from uncertain environment and also need to prevent a recurrence of parallel cases in the domain of South-North economic cooperation in Korean peninsula. There are two method to protect Kaesong Industrial Business Enterprises. First they rely on the Korea government for protection. Second they need to effect trade insurance of K-sure. such as Export Credit Guaranty or Short-term Export Insurance. They shall create a wise predictable environment to protect Kaesong Industrial Business Enterprises themselves without resort to Korea government. Of course there are many things left behind to consider I hope it will be helpful to those who prepare South-North economic cooperation especially in Kaesong Industrial Complex.

• Journal of the Korean Society of Marine Environment & Safety
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• v.4 no.2
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• pp.53-62
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• 1998

International Maritime Organizatin(IMO) has been chosen some of agreements for regulating the international stability criteria of fishing vessels and recommended that each goverment adopts theirs into the domestic law. As a result, 77/93 Fishing Safety Agreement was ratified. Among the above agreement, contents of stability was not only applied to domestic law, but also strenghten considerably compared with existing stability criteria. And even if the calculation guide of stability with recommendations was regualted, Analysis of stability on domestic fishing vessels never have been used according to such a caculation method. Moreover, the caculation of stability criteria caused by strong wind, rolling effect and deck inflow was not considered in the existing basic design program. Therefore, the development of stability criteria program available for such a caculation has been of vital impotance. This research has developed a stability criteria program under 77/93 Fishing Safety Agreement. Also through development of stability criteria program, the stability performance of fishing vessel with 69ton stow-nesting was evaluated.

• THE INTERNATIONAL COMMERCE & LAW REVIEW
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• v.35
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• pp.179-219
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• 2007

Cross-border supply chains undergone complexity in the global trade process, unpredictability and continually evolving regulations and information requirements. Under these circumstances, longer lead time inhibiting quick response to market demands, unanticipated supply chain costs eroding product cost savings, compliance and documentation errors causing delays and fines are challenging global trade companies when they execute global business. These problems are mainly caused by unautomated, unintegrated process which lead to longer and more unpredictable lead times, slower cash flow, cost overruns, and ultimately lower profits and less satisfied customers. Complex and unpredictable global trade environment requires global trade companies of global trade management functions to automate and control this complex environment for driving out cost, time and risk from their business. Global trade management allows cost savings, supply chain efficiencies and improved compliance through improving global supply chain visibility, facilitating cash flow by supply chain financing, enhancing supply chain security and risk management.

• Journal of Korean Society of Occupational and Environmental Hygiene
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• v.22 no.1
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• pp.26-31
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• 2012

Objectives: To review the occurrence of cancer cluster in S Electronics semiconductor factories, process of epidemiological researches and lawsuit for industrial accident compensation. Methods: Occupational Safety and Heatlh Research Institute (OSHRI) epidemiological research report, Seoul National University (SNU) field survey report and Seoul Administrative Court ruling were investigated. Result:: OSHRI denied the association between working environment and outbreak of cancers, but SNU survey team reported that carcinogens do exist in workplace and the workers are exposed to them. Seoul Administrative Court ruled that 2 victims got cancer due to hazardous chemicals in working environment and be compensated but 3 victims were not acknowledged. Conclusions: Procedure of current OSHRI epidemiological research should be reassessed by the purpose of Occupational Accident Compensation Insurance Law.

• Journal of Environmental Health Sciences
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• v.41 no.1
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• pp.11-16
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• 2015

Objectives: This study assessed the impact of the smoke-free law on secondhand smoke exposure in computer game rooms by measuring concentrations of particulate matter smaller than $2.5{\mu}m$($PM_{2.5}$). Methods: Indoor $PM_{2.5}$ concentrations were measured in 56 (during the smoke-free guidance period) and 118 computer game rooms (after the law went into effect) in four cities (Seoul, Cheonan, Daegu and Kunsan) in Korea. The number of smokers in the computer game rooms was also counted every five minutes. Results: Although a smoking ban had been implemented nationally, smoking was observed in 47% of the computer game rooms. Smoking density decreased from 1.62 persons per $100m^3$ during the guidance period to 0.32 persons per $100m^3$ after the smoke-free law. There is no statistically significant difference of $PM_{2.5}$ concentrations before and after the smoking ban. The $PM_{2.5}$ concentration was two times higher than the US NAAQS of $35{\mu}g/m^3$. The $PM_{2.5}$ concentration in computer game rooms without smokers was two times higher than the outdoor concentration. Conclusion: The smoke-free law in computer game rooms was complied with, even after the guidance period, in Korea. Indoor $PM_{2.5}$ concentration after smoke-free law implementation was high due to this non-compliance. High $PM_{2.5}$ concentration in computer game rooms without smokers might be due to smoking booths. The complete prohibition of smoking in computer game rooms should be implemented to protect patrons from secondhand smoke exposure.

• THE INTERNATIONAL COMMERCE & LAW REVIEW
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• v.21
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• pp.129-151
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• 2003

Nowadays even if environment of international commercial transaction is changing quickly municipal law could not meet with such change accordingly. So far, however, efforts towards unification have prevailingly taken the form of binding instruments, such as non-national or supranational legislation, international conventions or international model laws. Among them, the UNIDROIT Principles with parties' autonomous and yet non-binding character do not only meet the substantive requirements of a true law merchant. In addition they also counter some of the main points of criticism against the modern lex mercatoria. As such the Principles constitute a cornerstone in the lex mercatoria debate and may become the heart of the new lex mercatoria. The purpose of this article is to ask whether there could be applied the Principles in international commerce. For the purpose it is to investigate when the Principles are applied in international commerce and how effectively the Principles are applied for the decision in international commercial disputes. Even though the Principles are used for reference by parties involved for the voluntary regulation of their contract, it is sufficiently expected that the Principles are to be a stepstone of uniform contract law in international commerce. Until now cases of appling the Principles are not satisfied with its expectation as a source of non-legislative means of unification or harmonization of law. Given the party's autonomy in the contract, this is among other things because business parties are strongly tend to observe their national laws in their international commerce. And also, even though there are a number of neutral and uniform regulations for international commercial contracts, parties do not often recognize their usefulness with being up to expectation. In order to explore the applicability of the Principles a number of cases of ICC International Court of Arbitration and others are quoted.

• The Korean Journal of Air & Space Law and Policy
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• v.32 no.2
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• pp.67-100
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• 2017

Throughout the history of the aviation industry, from its origins in the $20^{th}$century to the present, accidents have always occurred. This paper deals with the legal liability of air traffic controllers, who represent one of the human factors causing these accidents. Though controller negligence turns out to be a main cause of the accident, Korea does not have additional judical case, since it was firstly declared that controller negligence was accountable for the air traffic accident in 1971. As such, we examine the liability of air traffic controllers as public officers. This paper looks not only at the role of air traffic controllers and pilots in accidents, but also at the applicability of controller liability in the context of Korean law. We determine that despite the high-stress environment, air traffic controllers must share in the responsibility to provide safe air navigation. Therefore, they cannot avoid legal liability.

• Proceedings of KOSOMES biannual meeting
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• 2017.04a
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• pp.138-138
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• 2017