본 연구는 「축산물의 가공기준 및 성분규격」에 기준 규격은 설정되어 있지 않으나, 국제 기준과의 조화를 위해 콜린의 분석법을 마련하고자 수행하였다. 조제유류에 함유된 콜린 함량 분석을 위해 IC를 이용한 분석법을 확립하고 시중에 유통 중인 제품을 대상으로 적용성을 검토 하였다. 콜린 표준품을 이용하여 IC를 이용한 기기분석조건을 확립하고 시료중의 콜린을 추출하여 분석하였다. 분석법 검증은 특이성, 직선성, 검출한계 및 정량한계, 정확성, 정밀성에 대해 수행되었다. 0.5~10 mg/L의 농도범위에서 R2= 0.999 이상의 우수한 직선성을 확인할 수 있었으며, LOD와 LOQ는 각각 0.14, 0.43 mg/L였다. CRM (NISTSRM 1849a) 및 표준물질 첨가법을 이용하여 정확성을 검토하였으며, CRM에서 95%, 조제분유에서 90~91%, 조제 우유에서 81~98%의 회수율을 확인할 수 있었다. 정밀성을 검토한 결과 시료 채취량에 따른 반복성은 RSD값이 조제 분유 0.4~2.0%, 조제우유 0.5~1.5%, 영아용조제식 0.6~1.0%, 성장기용조제식 0.8~2.7%,로 확인하였으며, 실험일자에 따른 재현성은 조제분유 3.1%, 조제우유 2.5%, 영아용조제식 4.8%, 성장기용조제식 2.7%로 확인하였다. 본 연구에서 확립된 분석법을 적용하여 조제분유 11건, 조제우유 2 건, 성장기용조제분유 9건, 영아용조제식 2건, 성장기용조 제식 8건 등 국내 유통 중인 조제유류 및 영아용·성장 기용조제식 등 32건에 대해 적용성 검토를 실시한 결과 전체 시료에서 분석이 용이하였으며, 모두 표시기준에 적합함을 확인하였다.

This study investigated the drag coefficient and lift coefficient of thirteen kinds of knotless nettings used for large purse seine gear. By comparing the hydrodynamic characteristics with nets of the previous study, the characteristics of this study were derived as a purse seine gear. Thirteen kinds of nettings with different length of bar () and diameter () were used in the experiment, out of which six kinds used the 30 mm in mesh size and three kinds with 40 mm. The drag coefficient ( ) also increased with increasing . It can be expressed as        at a current speed 0.4 m/s and        at a current speed 0.5 m/s. Compared with previous studies, drag coefficient values were similar to knotless net of similar  and smaller than drag coefficient of knot net. Therefore, using knotless net in a purse seine has the advantage of reducing the resistance acting on the purse seine gear.

목적: 본 연구에서는 3종의 소프트콘택트렌즈에 침착시켰을 때 리퀴드 아이라이너에 함유된 산화철 성분에 따라 소프트콘택트렌즈의 착색 정도 및 세척 가능 여부의 차이를 알아보았다. 방법: 적색산화철, 황색산화철, 흑색산화철이 각각 함유되어 있는 리퀴드 아이라이너 3종과 두 가지 혹은 세 가지의 산화철이 혼합되어 있는 리퀴드 아이라이너 3종을 식염수에 희석 시킨 후에 somofilcon A, nesofilcon A, galyfilcon A, etafilcon A 렌즈에 1시간 동안 담가 둔 후와 다목적 용액으로 세척 후의 착색 정도 변화를 육안 관찰 및 가시광선투과도 측정을 하였다. 결과: Etafilcon A 와 somofilcon A 렌즈는 흑색산화철이 함유된 아이라이너에 침착되었을 때 착색 정도가 가장 컸으며, nesofilcon A 렌즈는 황색산화철이 함유된 아이라이너에 침착 되었을 때 착색정도가 가장 컸다. Galyfilcon A 렌즈는 적색산화철, 적색산화철과 황색산화 철이 함유된 아이라이너에서 착색정도가 가장 컸다. 황색산화철이 함유된 아이라이너에 침착된 nesofilcon A 렌즈의 경우 다목적용액으로 세척 후에도 착색이 가장 많이 남아있는 것으로 나타났다. 결론: 본 연구를 통해 리퀴드 아이라이너에 의해 소프트콘택트렌즈가 착색되며, 리퀴드 아이라이너에 함유된 산화철 성분에 따라서는 특정 재질의 렌즈에서 비가역적인 착색을 유발하여 다목적 용액을 이용한 세척에도 원상복귀가 되지 않음을 확인하였다. 따라서 소프트콘 택트렌즈 착용자에게 착색이 유발되는 화장품에 대한 사전 교육이 필요할 것으로 보인다.

The renewable energy sources can be thought of one of the major measures to reduce greenhouse gas emissions in the industries. However, the utilization technology for those sources is approaching in the different matters. One of them, thermoelectric generation might be applicable to fishing industry. A various of internal combustion engines are used in a wide range of fisheries. After the ignition process, the heat passed out from the exhaust outlet. Recycling the heat could be not only an energy source but also reduction of green gas emission. Therefore, this study was designed to verify the feasibility of generation from wasted exhaust gas and analyze the performance. The designed experiment devices were connected with a data logger and an electric loader to quantify the currency and voltage. The devices were installed in a coastal fishing vessel for a gillnet fishery. During the whole fishing trips, the amount of generation was measured by engine rpm and the fishing operation procedures including vessel operations. At the maximum 1,500 rpm in the practical range, the generation amount was 113.6 W. The amount difference in relation to connection method was within 5 W: serial connection was 111.4 W and parallel connection was 115.8 W.

본 연구는 플라즈마-촉매 및 오존 처리공정을 이용하여‘홍로’사과 저장과정에서 발생되는 에틸렌 을 제거하고자 하였다.‘홍로’사과는 저장온도가 증가할수록 호흡속도가 빨라져 산소농도는 급격히 감소하고 이산화탄소와 에틸렌 농도는 증가하였다. 특히, 저장온도 20℃에서 90시간 저장 후 산소가 모두 소모되었으며, 이산화탄소 농도는 약 20%로 증가하였다. 플라즈마-촉매와 오존 처리는 에틸렌 제거에 효과적인 것으로 나타났으나, 오존 처리의 경우 사과표면에 반점이 생기는 문제가 발생하였 다.‘홍로’사과의 품질 분석결과 가용성 고형분과 산도는 무 처리군에서 다소 높게 나타났으며, 경도 는 플라즈마-촉매 처리군와 오존 처리군에서 다소 높게 분석되었다. 하지만 유의적 차이는 나타내지 않았다.

The concern on the greenhouse gas emissions is increasing globally. Especially, the greenhouse gas emission from fisheries is an important issue due to Cancun Agreements Mexico in 1992 and the Kyoto protocol in 2005. Furthermore, the Korean government has a plan to reduce the GHG emissions as 5.2% compared to the BAU in fisheries until 2020. However, the investigation on the GHG emissions from Korean fisheries has not been executed much. Therefore, the quantitative analysis of GHG emissions from Korean fishery industry is needed as the first step to find a relevant way to reduce GHG emissions from fisheries. The purpose of this research is to investigate which degree of GHG emitted from the major coastal fisheries such as coastal gillnet fishery, coastal dual purpose fishery, coastal pots fishery and coastal small scale stow net fishery. Here, we calculated the GHG emission from the fisheries using the LCA (Life Cycle Assessment) method. The system boundary and input parameters for each process level are defined for LCA analysis. The fuel use coefficients of the fisheries are also calculated according to the fuel type. The GHG emissions from sea activities by the fisheries will be dealt with. Furthermore, the GHG emissions for the unit weight of fishes are also calculated with consideration to the different consuming areas. The results will be helpful to understand the circumstances of GHG emissions from Korean fisheries.

In the current study, oxidative decomposition of a volatile organic compound was investigated at room temperature and pressure. The experiment was carried out in lower ethylene concentration and with various higher gas flow rates. The reactor has 7 different compartments in which the reaction takes place independently. Plasma was generated inside each compartment by the application of alternating current (AC) voltage. 5 wt% manganese loaded and 5 wt% silver loaded 13X zeolite were used as catalysts. Bare zeolite showed higher ethylene decomposition efficiency than Ag loaded and Mn loaded zeolite. Ozone concentration was increased slightly while increasing the SIE, reached a maximum and started decreasing. Ag loaded zeolite also showed similar decomposition efficiency, but the concentration of ozone was greatly lowered.

본 연구에서는 소셜 비디오 플랫폼 환경에서 동영상 기반 커뮤니케이션을 통해 동영상을 시청하는 사용자와 타인 들 간의 관계가 사용자의 긍정적 감정과 사회적 소속감에 어떠한 영향을 미치는지 살펴보았다. 해당 연구에서는 사 회 충격 이론(Social Impact Theory)과 자기 점검 이론(Self-Monitoring Theory)이라는 심리학 이론을 토대로 동영상 기반의 새로운 상호작용 수단을 활용한 대안을 검증하기 위해 실제 동영상 기반의 소셜 비디오 플랫폼 환경을 구축 하여 실험 연구를 진행하였다. ANOVA 분석 결과, 동영상을 보는 환경에서 타인의 모습이 실시간으로 보일 때, 또는 나 자신의 얼굴이 화면에 함께 제시될 때, 그렇지 않을 때 보다 사용자는 긍정적인 감정과 사회적 소속감을 더 크게 느끼는 것을 확인할 수 있었다. 또한 위의 두 조건이 동시에 제공될 때가 그렇지 않을 때보다 사용자들이 느끼는 긍정적 감정의 증가 폭이 더 컸다. 본 연구 결과를 통해 궁극적으로 새로운 소셜 비디오 플랫폼의 형태에 대한 통찰을 얻을 수 있을 것이라 기대한다.

The purpose of this study is to create knit ruffles that represent the aesthetic and artistic values of painted works of art that rhythmically express flower petals and add an artistic impression on the knit ruffle designs. This study is based on the artistic life of Georgia O’Keeffe and changes in her artistic background, and the world of paintings. The relevant data was gathered from domestic and foreign references, academic journals, and the internet. The characteristics of Georgia O’Keeffe paintings were examined. Her paintings typically include a series of various motifs, symmetry, balance, and harmony of detailed realistic expressions and abstract elements, repetition, and the principles of contrast and emphasis in shaping. The decoration techniques used on fabrics were applied using the knitting machine which controls the tension to develop a variety of textures, apart from the previous standardized knit textures, through various knitting techniques. A gradation effect was then applied by piece-dyeing the knitted materials in various colors to express asimilarity to the original colors in O’Keeffe’s works with delicate color expressions. After the piece-dyeing, the decorative knitted materials were trimmed on a model to re-create the natural curves of flower petals. This study aims to converge works of art with fashion designs to develop various creative knitted fashion and to impart an artistic sense in the fashion design industry.

This study investigates the development of an automatic lightening buoy that can indicate an aquaculture cage at night or in rough weather. The energy for the light is generated by the linear motion of a magnet along with a coil inside the buoy as the waves cause the buoy to oscillate up and down. The principle of the magnet motion is different between the magnet and body of the buoy because the movement of the latter is dependent on the surface wave, while the former is affected by the damper. To obtain a quantitative performance of the buoy, the voltage as well as up and down motion produced by several waves were measured in the wave tank. A shorter wave period, i.e., faster motion, of the magnet produced a brighter light. It is expected that this study can aid in deciding the optimum design of a buoy capable of producing a bright light at any aquaculture site affected by sea or fresh water waves.

Twenty four covered barley cultivars of Korea and subsequently produced malts were evaluated for quality characteristics, diastatic power (DP), and enzymatic actvity. Protein, amylase, starch and β-glucan content of covered barley cultivars were 8.2-12.8%, 4.2-19.1%, 47.9-59.7%, and 4.1-7.4%, respectively. The DP of malt during malting showed a maximum value in Day 4, when the bud length was 2.0-2.5 times longer than the length of the grain itself. α-Amylase activity was very low but increased significantly after Day 4, showing greatest activity on Day 6 (185.5-206.1 unit/g). β-Amylase activity increased as the malting progressed and a considerable amount was detected in barley grain on Day 6 (898.6-1591.6 unit/g). The potential diastatic power (PDP) of various cultivar grains ranged from 89.7 °L to 169.3 °L. The PDP of raw barley had strong correlation with β-amylase of raw barley (r=0.977, p<0.001) while the DP of malted barley was also correlated with the β-amylase activity of raw barley (r=0.654, p<0.001). Since the PDP of raw barley and the DP of malted barley are correlated (r=0.644, p<0.001), the PDP and β-amylase activity of raw barley are useful factors in predicting the DP of malted barley.

The purpose of this thesis is to contribute in establishing the objectives of government policies through an empirical analysis on the relational characteristics surrounding the self-employed creative enterprises under the current circumstances where the specific empirical studies on the self-employed creative enterprises haven't been performed. According to the result of verification, the social capitals such as reliability, reciprocity and network are necessary due to the characteristics possessed by the self-employed creative enterprises while the reliability between cooperative enterprises is created and the cooperative relationship continues when the enterprises are faithful to their intrinsic activities such as the improvement of productivity rather than the entrepreneur spirit. Such win-win cooperation was eventually shown as having a positive effect on the performance of enterprises.

1. 국내에서 수집한 수수의 성숙기 간장이 250 cm 이상되는자원은 5 종으로 전체 62 수집종의 8.1 %를 차지하였다. 2. 수형 특성 조사에서는 3개 분얼수를 가지는 자원은 전체수집종의 56.6%를 나타낸 것으로 보아, 평균 분얼수는 3개 인것으로 나타났다. 3. 잎의 특성조사에서 엽장이 90 cm 이상되는 자원은 14.5%로 분류되었다. 4. 분얼형에 있어서는 반밀수타원형이 전체 수수 수집종의32.3%를 차지하였다. 5. 전체 수집종 수장의 평균값은 29.2 cm로 나타났다.

중앙아시아에서 수집한 꽃피는 마늘 A. longicuspis의 주아와 주아를 도입해서 생산한 1년생 통구를 각각 노지에 재배하여 우리나라에서 주아재배를 통한 종구(통구)생산과 통구재배를 통한 마늘생산 가능성을 검토하였다. 평균 월동율은 주아재배에서 77.3%, 통구재배에서는 100%로서 우리나라의 대표적인 재래종인 단양마늘이나 의성마늘에 비하여 훨씬 높아서꽃피는 마늘의 주아와 통구를 중부지방에서 재배함에 있어서월동성은 큰 문제가 되지 않을 것으로 사료되었다. 주아재배에서 월동한 모든 개체가 통구 수확이 가능하였고 통구 형성율은 모든 자원이 100%이었다. 통구재배에서 추대율이 100%이었으며, 재래종 대비 화경장이 길고 주아 수가 많았다. 구크기는 대부분이 재래종에 비하여 작았지만 K248215 자원은구중이 40 g으로서 단양마늘과 비슷하였으며 구당 쪽수는 재래종에 비하여 대부분의 자원이 많았고 화기에 꽃과 주아가동시에 존재하였으며 주아를 제거하지 않은 상태에서는 종자가 맺히지 않았다.

Morotoge shrimp Pandalopsis japonica is caught by pot and others in the eastern coastal waters of Korea. Comparative fishing experiments were carried out in the eastern coast of Korea, using the dome–shaped pots with different five mesh sizes (17.1, 24.8, 35.3, 39.8, and 48.3 mm) in order to estimate the mesh selectivity of the pot for the morotoge shrimp, Pandalopsis japonica. The SELECT (Share Each Length’s Catch Total) analysis method was applied to the catch data. The master selection curve of the pot for the shrimp was estimated to be s(R) = exp(15.770R–10.573)/[1+exp(15.770R–10.753)], where R is the ratio of carapace length to mesh size. From the selection curves, the carapace lengths of 50% retention were 11.6, 17.0, 23.9, and 34.1 mm for 17, 25, 35, and 50 mm mesh–size pot, respectively. It means that the pots of larger mesh size allow more shrimp of small size to escape.

A series of field tests to estimate the size selectivity of monofilament and multifilament gill net for marbled sole, Pleuronectes yokohamae, were carried out 12 times with five different mesh sizes (86.6, 101.0, 121.2, 137.7 and 151.5mm) in the western sea of Korea from 2007 to 2009. The master selection curve was estimated by the extended Kitahara’s method. The total number of catch species was 23 and that of catch was 1,688 in the field tests. Marbled sole of total catch was 1,150 with 68.1 percent. In the monofilament trammel net, the optimum value of total length (TL) per mesh size (m) for 1.0 of retention probability was estimated 0.280 and the values of TL/m were estimated to be 0.187, 0.201, 0.210, 0.218 and 0.226 when the retention probability were 0.1, 0.2, 0.3, 0.4 and 0.5, respectively. In the multifilament trammel net, the optimum value of TL/m for 1.0 of retention probability was estimated 0.307 and the values of TL/m were estimated to be 0.195, 0.211, 0.222, 0.232 and 0.241 when the retention probability were 0.1, 0.2, 0.3, 0.4 and 0.5, respectively.