• Korean Journal of Fisheries and Aquatic Sciences
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• v.39 no.spc1
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• pp.203-213
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• 2006

The spatial patterns of meiobenthic communities in deep-sea sediment were examined. Sediment samples for analyzing of meiobenthic community structure were collected using a remote operated vehicle (ROV), multiple corer TV grab at 20 stations at five sites. In all, 15 meiofauna groups were recorded. Nematodes were the most abundant taxon. Benthic foraminiferans, harpacticoid copepods, polychaetes, and crustacean naupii were also dominant groups at all sites. The total meiofauna density at the study sites varied from 49 to 419 ind./$10cm^2$. The maximum density was recorded at a site located in Challenger Deep in the Mariana trench where simple benthic foraminifera with organic walls flourish. These distinctive taxa seem to be characteristic of the deepest ocean depths. Active hydrothermal sediments contain up to 150 harpacticoid copepods per $10cm^2$ of sediment. In a inactive ridge sediments, devoid of macrofaunal organisms:, the abundance of harpacticoid copepods never exceeded 15 ind./$10cm^2$. Multivariate analysis (multidimensional scaling) revealed significant differences in community structure among the three regions; near an active hydrothermal vent, in the deepest ocean depths and at typical deep-sea bed sites.

• Journal of Korean Society on Water Environment
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• v.20 no.6
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• pp.631-640
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• 2004

This research was conducted to understand the magnitude and nature of the stormwater emissions with the goal of quantifying stormwater pollutant concentrations and mass emission rates of pollutants. Eight highway sites in Southern California area were monitored for three years with collecting of grab and flow-weighted composite samples, rainfall and runoff flow. Generally the EMCs cannot be determined by simple statistical averaging of measured pollutant concentrations because of random characteristics of runoff quality and quantity. Therefore, this manuscripts will show a new EMC determination method. The EMC ranges of 95% confidence intervals are 102.78-216.37mg/L for TSS, 104.53-251.79mg/L for COD, 5.42-10.58mg/L for oil & grease and 2.42-10.18mg/L for TKN. The ranges of washed-off mass loading are determined to $0.06g/m^2-17.27g/m^2$ for TSS and $0.1-3.23g/m^2$for COD.

• Journal of The Korean Society of Integrative Medicine
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• v.3 no.1
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• pp.41-51
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• 2015

Purpose: The purpose of this study was to investigate the effects of personalized residential environment improvement on occupational performance satisfaction and activities of daily living(ADL) in stroke patients, and desire to use as the basis for presenting an effective method for improving the residential environment of the disabled patients. Method: This study has been carried out with 3 stroke patients undergoing therapy for rehabilitation at the S hospital from August 2014 to January 2015. Residential environment improvement was conducted based on the desired space. Occupational performance, satisfaction and ADL assessed by modified COPM, K-MBI. Intervention has provided grab bar and aids fit to the environment of each person. Result: After residential environment improvement, ADL score was improved, but improved scores for specific items only. In occupational performance and satisfaction, there was a significant difference. Conclusion: The results of this study were to find out that there is a positive effect of personalized residential environment improvement on occupational performance satisfaction and activities of daily living in stroke patients, could be used as a basis for presenting an effective way to residential environment improvement of the disabled patients.

• Journal of Soil and Groundwater Environment
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• v.16 no.6
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• pp.1-9
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• 2011

A bibliographical review of Gy sampling theory for particulate materials was conducted to provide readers with useful means to reduce errors in soil contamination investigation. According to the Gy theory, the errors caused by the heterogeneous nature of soil include; the fundamental error (FE) caused by physical and chemical constitutional heterogeneity, the grouping and segregation error (GE) aroused from gravitational force, long-range heterogeneous fluctuation error ($CE_2$), the periodic heterogeneity fluctuation error ($CE_3$), and the materialization error (ME) generated during physical process of sample treatment. However, the accurate estimation of $CE_2$ and $CE_3$ cannot be estimated easily and only increasing sampling locations can reduce the magnitude of the errors. In addition, incremental sampling is the only method to reduce GE while grab sampling should be avoided as it introduces uncertainty and errors to the sampling process. Correct preparation and operation of sampling tools are important factors in reducing the incremental delimitation error (DE) and extraction error (EE) which are resulted from physical processes in the sampling. Therefore, Gy sampling theory can be used efficiently in planning a strategy for soil investigations of non-volatile and non-reactive samples.

• Economic and Environmental Geology
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• v.29 no.4
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• pp.429-437
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• 1996

The purpose of this study is to correct the nodule abundance of FFG (Free Fall Grab) sampler on KODOS (Korea Deep Ocean Study) area in North-East Pacific Ocean. The image analysis of sea-floor photography was carried out for correcting the abundance of nodules, and the image enhancement techniques and edge detection method were used to discriminate between nodules and sediments. The trace of nodules on sediments was detected to reduce the fractionation effect in calculating the coverage of nodules. The three methods, using the coverage of nodules, using the volume density, and using corrected volume density, were utilized for the correction of the nodule abundance. The method using the coverage of nodules was more convenient and available for the correction of nodule abundance than the other two methods. The method using the corrected volume density had the highest confidence level compared with the other methods.

• Transactions of the Korean Society of Automotive Engineers
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• v.15 no.4
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• pp.33-40
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• 2007

Crashworthiness design is of special interest in automotive industry and in the transportation safety field to ensure the vehicle structural integrity and more importantly the occupant safety in the event of the crash. Front side assembly is one of the most important energy absorbing components in relating to the crashworthiness design of vehicle. The structure and shape of the front side assemblies are different depending on auto-makers and size of vehicles. Thus, it is not easy to grab an insight on designer's intention when you glance at a new front side member without experiences. In this paper, we have performed the explicit nonlinear dynamic finite element analysis on the front side assembly of passenger cars to identify the mechanical roles of major parts in relation to collapse modes from the viewpoint of reverse engineering. To do this, we have performed crash FE analysis for the two different assemblies of small car and heavy passenger car and have compared dynamic behaviors of the two.

• Journal of The Korean Digital Architecture Interior Association
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• v.12 no.4
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• pp.39-48
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• 2012

Generally, rural housing in Korea have had target of people who are in good physical health rather than the disabled. Therefore, it is difficult to offer high quality residential environment for the elderly and the disabled. The purpose of this study is to present the remodeling of rural house for the disabled. this study divides the a rural house into 7 sectors : a passage to entrance, an entrance hall, a livingroom, a bedroom, a bathroom, a kitchen, and etc. this study propose the following renovation plan that rural housing to be barrier free space. First, in passage to entrance of the house, people with disabilities should not experience difficulties in walking, so installing ramps to remove the stepped slope grade without slip so that the floor finish should be. Second, install grab handle on the wall inside the housing so that the disabled can lean on the handle. Third, placing the furniture in the bedroom that wheelchair can be rotated, and make to lower the height of the switchs. Forth, install a non-slip floor tile to prevent accidents in the bathroom.

• Journal of Haehwa Medicine
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• v.20 no.2
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• pp.141-153
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• 2012

Nowadays, the humankind's lives are affluent enough and the modern medical cure systems have made the humans' lives much longer. In spite of the modern medical development, the chronic & regressive diseases are rapidly increasing ironically. In this regards, many countries endeavoring to rely on the traditional or CAM instead of Conventional and Modern Medicines. The late Steve Jobs who sought for the natural therapy for his pancreatic cancer was one representative example. Every countries are investing huge amount of money to become the leader in the CAM market. Moreover, by preoccupying the world-wide standards, each country is trying to grab the market monopoliy. In this thesis, I examined several coutries' CAM markets and their CAM development strategies. These strategies should be considered for the KTM development Strategy. Fortunately, KTM has doing the main role in the Korean CAM development strategy. But to become the world leader in CAM market, the governmental committee should be established and the Financial Investment and Aid Program should be followed. It is very important to obtain the world standards. To do so, the R&D capability should be enhanced also. The world trends in CAM should be scrutinized and the Government Agency - Scholartic Group - Research institute have to cooperate for the same target.

• Journal of The Korea Institute of Healthcare Architecture
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• v.15 no.4
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• pp.13-21
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• 2009

Healthcare design is always challenged to come up with the rapid changes in healthcare system and industry as well as complicated planning requirements. This thesis aims to grab good instructions from Louis I Kahn who designed more than 15 healthcare projects during his entire life, from the winning project of the student competition in 1920 to Ayub hospital in Dhaka, Bangladesh after his death. His many hospital projects are deeply related to his famous projects such as Yale Art gallery, Philips Exeter Library, and Sher-E-Bangla Nagar national capital of assembly hall. But, it is not easy to find the researches about his hospital projects among many books and theses about him. Thus, this thesis investigates them and their contextual and historical relationships in order to find the way to apply his knowledge and philosophy about healthcare design to the modern hospital projects. We expect that it will promote more following researches for his healthcare projects.

• Progress in Medical Physics
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• v.13 no.3
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• pp.176-180
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• 2002

The demand for a better immobilization device has been increased in the radiation oncology field. Especially, it is essential to have a reliable and practical immobilization tool for the whole body radio-surgery and the IMRT(intensity modulated radiation therapy). A new method to immobilize the abdomen for the external beam radiation treatment was developed. The air-injected balloon blanket (AIBB) was designed as an immobilization device. As the air was injected into the AIBB, it pressed down the patient's abdomen and fixed the patient. The AIBB played a useful role to grab the patients' motion. Displacement of the abdomen in the anterior-posterior direction, which showed moving most during the respiration, reduced by more than 5 mm. Patients' movements from the breathing were reduced. The experimental results revealed that the AIBB could be used for the clinic.