• 대한물리의학회지
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• 제7권4호
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• pp.459-469
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• 2012

PURPOSE: The purpose of the present study was to examine changes caused by asymmetric bag carrying methods to carry the bag with one shoulder only to plantar pressure during walking. METHODS: Twenty three normal adults without any gait problem participated in the present study. Experimental conditions used consisted of walking without carrying any bag(condition 1), walking wearing a bag on both shouders (condition 2), and walking wearing a bag on the right shoulder(condition 3) and the weight of the bag was set to 15% of each subject's body weight. All the subjects were instructed to participate in all experiments under these three conditions and plantar pressures were measured from the subjects' right and left feet using an F-scan system while the subjects were walking under the three conditions. To analyze the measured plantar pressure, the sole was divided into seven areas (Hallux, Toe, Met1, Met23, Met45, Mid foot and Heel) and maximum plantar pressures in individual areas were measured. RESULTS: The results of measurement of plantar pressures under three walking conditions did not show significant changes in any areas of the left and right feet except for the mid foot area of the right food. The asymmetry between the left and right feet was examined and the results showed significant differences only in area Met23 under condition 2 and did not show significant differences in any other areas. CONCLUSION: On comprehensively considering the results of the present study, it could be seen that asymmetric bag carrying did not have large effects on changes in plantar pressure during walking compared to symmetric carrying. The reason for this is considered to be posture adjusting mechanisms against load positions.

• Genes and Genomics
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• 제40권12호
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• pp.1269-1277
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• 2018

Bcl2-associated athanogene 3 (BAG3) mutations have been reported to cause the myofibrillar myopathy (MFM) which shows progressive limb muscle weakness, respiratory failure, and cardiomyopathy. Myopathy patients with BAG3 mutation are very rare. We described a patient showing atypical phenotypes. We aimed to find the genetic cause of Korean patients with sensory motor polyneuropathy, myopathy and rigid spine. We performed whole exome sequencing (WES) with 423 patients with sensory motor polyneuropathy. We found BAG3 mutation in one patient with neuropathy, myopathy and rigid spine syndrome, and performed electrophysiological study, whole body MRI and muscle biopsy on the patient. A de novo heterozygous p.Pro209Leu (c.626C>T) mutation in BAG3 was identified in a female myopathy. She first noticed a gait disturbance and spinal rigidity at the age of 11, and serum creatine kinase levels were elevated ninefolds than normal. She showed an axonal sensory-motor polyneuropathy like Charcot-Marie-Tooth disease (CMT), myopathy, rigid spine and respiratory dysfunction; however, she did not show any cardiomyopathy, which is a common symptom in BAG3 mutation. Lower limb MRI and whole spine MRI showed bilateral symmetric fatty atrophy of muscles at the lower limb and paraspinal muscles. When we track traceable MRI 1 year later, the muscle damage progressed slowly. As far as our knowledge, this is the first Korean patient with BAG3 mutation. We described a BAG3 mutation patient with atypical phenotype of CMT and myopathy, and those are expected to broaden the clinical spectrum of the disease and help to diagnose it.

• 한국의상디자인학회지
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• 제16권3호
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• pp.87-99
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• 2014

This study aims to suggest a bag design focusing on the symbol of Bo patterns by developing a pattern-based textile which forms a Korean design with a modern sense of beauty as well as following the conventions of traditional cultures, a design which is based on the previous study on formative characteristics of Bo patterns. That is, seven pieces of motifs are considered as proper patterns that have a symbol suitable for the materials of bags, showing their individual beauty well. This includes Horomum (longevity and prosperity of desendants), Banjangmum (eternity and samsara), Jeonbomum (treasure and luck), Seobomum (innate good fortune), Bangseungmum (it means that things don't break in harmony with one another), Bomum (embroidered patches for royal family representing justice), and Seogakmum (blessed life). With these seven motifs, we developed textile patterns and printed them through DTP. Then, we created a fashion bag design with a high quality using durable canvas fabrics. Therefore, a fashion bag with the Bo patterns symbol has a propitious symbol designed with a propitious shape, not to mention its formative beauty. It is expected to have value as a fashion art item by being redesigned for benevolent patterns with a modern image.

• 분석과학
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• 제21권3호
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• pp.167-173
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• 2008

PCB (poly chlorinated biphenyl)의 재생성문제를 해결하기 위해 PCB가 재생성되지 않는 $220^{\circ}C$ 이내의 온도에서 PCB를 90% 이상 효과적으로 분해할 수 있는 저온활성이 우수한 촉매에 대해 연구 하였다. 기존의 백필터에 저온활성이 우수한 PCB 제거용 촉매를 코팅하여 분진 및 PCB를 동시에 제거 가능한 백필터 여과재를 얻고자 하였다. 촉매 반응 후 벤젠고리가 분해되어 PCB가 재생성될 수 없음을 확인하였다. 그리고 spray법에 의한 촉매코팅이 함침법에 의한 코팅보다 효과적이었으며, Pt-Co 촉매를 사용하였을 때가 PCB 제거율이 가장 높았다. 본 연구를 잘 활용한다면 기존의 소각로에서 사용되던 기존 백필터를 촉매 여과재로 교체만 하여도 분진과 PCB를 동시에 효율적으로 제거할 수 있을 것으로 판단된다.

• 한국기후변화학회지
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• 제9권1호
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• pp.59-67
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• 2018

In this study, the $N_2O$, emitted from combustion facility, were analyzed by using simulated gas and field samples to find out how long samples can be stored in Tedlar bag. According to the results of the experiment using simulated gases (1 ppm, 5 ppm, 10 ppm) in Tedlar bag, After 144hr, $N_2O$ concentration of simulated gases changed that 1 ppm is 5.3%, 5 ppm is 12.8%, and 10ppm is 10.5%. The higher initial concentration of simulated gas was, the larger rate of $N_2O$ concentration was changed. In case of high concentration samples, it need to be careful when it was analyzed after 144 hr. Stability evaluation in Tedlar bag was carried out through field samples such as combustion facility of bituminous coal, B-C oil and LNG. The concentration rate of field samples, which is under 1 ppm of average initial concentration, was evaluated using statistical method. As a result, $N_2O$ concentrations were changed to field samples in the bag even when 96 hr had passed. And after sampling, it is necessary that sample analysis should be quickly as soon as possible.

• 동력기계공학회지
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• 제12권3호
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• pp.55-59
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• 2008

In this paper, we have investigated on collection efficiency of fine particle of glass fiber-filter bag according to the surface treatment. The solution consisted of polytetrafluoroethylene(teflon), graphite powder, silicon resin and water was used as a basic surface treatment agent. Tensile strength of glass filter-bag increased with up to 3hrs and then decreased with surface treatment time. Tensile strength and initial modulus of the glass fiber-filter bag treated by iodine after basic surface treatment for 3hrs were lower than those of basic surface treatment for 3hrs, however collection efficiency and fracture strain were higher than those of basic surface treatment for 3hrs. Glass fiber-filter bag with lower initial modulus and more strain will be extend the durable period and the one treated by iodine after basic surface treatment 3or 3hrs is expected high collection efficiency of fine particle. This method makes it possible to manufacture glass fiber-filter bag of the optimum condition.

• 한국의류학회지
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• 제32권1호
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• pp.12-23
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• 2008

The purpose of this study is in planning clothing and bag design and VMD. For this purpose, the pret-a-porter fashion collection is divided into the following sectors: brands, years, and seasons, focusing on the design elements. The results of this study are as follows: 1. It is these three ways that determine the relevance of clothing and bag design planning. first, we have analyzed design properties analogously with one design element, like Louis Vuitton. Second, we considered design properties analogously with two design elements, like Chanel, Gucci, Prada. Third, we examined design properties analogously with three design elements, like Christian dior, Fendi, Etro. 2. The comparison of clothing and bag design properties year by year shows that they were mainly designed with an analogous aspect with pattern and decoration. 3. Clothing does well to match a bag between analogous design properties of design elements to express similarity coordination and between contrast design properties of design elements to express plus one coordination or crossover coordination. 4. The aspect of coordination of clothing and bags year by year is different period. This is because of clothing and bag design's change according fashion trend. 5. S/S coordination of clothing and bags is effective to present plus one coordination or crossover coordination. And F/W coordination of clothing and bags is effective to present similarity in coordination.

• 공업화학
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• 제20권2호
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• pp.218-222
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• 2009

국 내외 관련기술현황에서 파악한 바와 같이, 종래의 악취 및 먼지제거 기술은 처리방법이나 경제성 면에 있어서 만족스럽지 못한 측면이 있고, 먼지와 악취가 동시에 발생하는 작업장의 경우 이 두 시설을 별도로 설치해야 하는 것이 큰 문제점이었다. 기존의 Bag Filter와 ACF (활성탄섬유)의 이중필터 형식인, ACF장착 Bag Filter를 적용하여 하나의 시설로 분진 및 악취 동시제거용 복합 Bag Filter 시스템을 개발을 위한 기초자료를 검토하였다.

• 한국의상디자인학회지
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• 제19권2호
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• pp.1-14
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• 2017

The consumption trend of fashion in modern industrial society is developing from the rapid changes, and the lifespan of fashion products becomes shorter due to the various industrial wastes. Due to the attitude change caused by the ethical consumption consciousness and environment awareness, the up-cycle fashion products got to receive attention, and it is in the limelight as a new trend to realize the sustainable fashion products in the domestic and foreign fashion. The purpose of this study lies in drawing the expression characteristics by investigating and analyzing the cases of each type on the fashion bag products of up-cycle brand, and contributing to the diversification of product family fitting to the characteristics of fashion bag product of up-cycle brand, systematic strategies of up-cycle fashion products, and activation of up-cycle fashion market. In research methods, the theatrical researches were conducted centered the relevant domestic literature materials, preceding papers, etc., which ran paralleled with the actual case analysis study. Through the preceding research and websites related to selected products, websites of up-cycle companies, relevant books, related articles, etc., the expression characteristics of up-cycle fashion bag products were drawn. The results of this study are as follows: First, as it has the feature of historicality, the designs can be created by containing the designer's story, story of materials, and consumer's story. Second, since it has the characteristic of sustainability, the application of manufacturing process and materials, extension of product life, conversion of original material's function, etc. can be sustainable. Third, as it's a trait of scarcity, all products may be produced by hand, and it can have the specialty which the original materials have. Fourth, since it has an eco-friendly trait, even while saving the original materials, the aesthetic needs could be met according to the consumers' continuous demand.

• 한국산업보건학회지
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• 제18권2호
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• pp.149-160
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• 2008

Bag-filter system has been widely used in industrial field to remove the particulate matters from the exhaust gas. The cylindrical type of bag-filter has been generally used. But it has many shortcomings. The reattachment of separated particles on the surface of bags could result in high pressure drop of bag-filter system and subsequent decrease of air flow rate since the cylindrical type bag-filter system should have the upward flow pattern. In addition, the supply of very high pressure pulse air jet to remove particulate matters on the surface of filter could result in a frequent rupture of bags. To overcome these shortcomings of the cylindrical type, the rectangular type was developed in the developed countries and imported to Korea. But, there was not many design data available to understand the mechanisms. Thus, the fundamental experiments were conducted in this study to get some ideas about the pulse jet cleaning of rectangular type bag filter system. The experimental factors are as follows; pulse distance, pulse duration, pulse interval, pulse pressure and pulse nozzle type. Experiments followed the factorial design method. With the shorter pulse distance, the distribution of pressure drops was relatively not uniform while the particulate removal efficiency was higher. With the longer duration of pulsing and the more number of pulse nozzle, the removal efficiency was higher and the pressure drop distribution was more uniform.