• 한국식품위생안전성학회지
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• 제3권4호
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• pp.193-202
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• 1988

농작물중 농약 잔류량조사 계획의 일환으로 전국주요시설 재배지에서 채취한 딸기와 오이 각 50점과 서울시 소재 5개 슈퍼마켓에서 시판되는 딸기를 수집, 농약 잔류량을 조사하였다. 딸기에서는 일부 시료에서 procymidone, chlorothalonil. captan, diazinon, ${\alpha}-endosulfan$ 등이 미량으로 검출되었으나 조사최대치의 경우에도 잔류허용기준의 1/79~1/2 에 불과하였다. Malathion, Fenitrothion, parthion 등 유기인계 살충제는 전시료에서 불검출되었으며 시판 딸기에서도 이와 비슷한 경향이었다. 오이에서는 유기인계 살충제가 전시료에서 불검출되었으며 기타 살균제의 검출빈도는 딸기와 비슷하였으나 잔류수준은 다소 낮은 경향이었다. 딸기와 오이 중 검출 빈도와 잔류수준이 비교적 높았던 농약은 procymidone과 chlorothalonil로서 이들의 조사최대치도 잔류허용기준에 크게 미달되고 있어 현재로서는 별 문제가 없는 것으로 판단되고 있다. 수일에 의한 딸기중 잔류농약의 경감효과는 38~95%로서 상당부분이 제거 되었다. 딸기 잿빛 곰팡이병 방제약으로 현재 많이 사용되고 있는 procymidone이나 dichloflanid에 대한 농약잔류향조사는 국내에서는 처음으로 시도되었으며, 아울러 본 조사연구는 금후 이들 농약에 대한 잔류허용기준설정에 기초자료가 될 것이다.

• 한국신재생에너지학회:학술대회논문집
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• 한국신재생에너지학회 2010년도 추계학술대회 초록집
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• pp.160-160
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• 2010

ELVs (End-of-Vehicles) in Korea incrasease continusely because of increase of used car. Automobile Shredder Residue (ASR) is final product of ELVs (End-of-Vehicles) after recycling. Automobile Shredder Residue are composed of light and heavy fluffs and soil/dust. In this study, 5 ton/day pilot plant of shaft type has been designed and constructed and 15 times of test run were performed. For the stable operation, operation conditions such as the amount of fed ASR and cokes, air flow and temperature in the gasification melting system have been changed and the composition of the produced gas such as $H_2$, CO and $CH_4$ and air pollution compound including dioxin discharged from the stack have been analyzed.

• 대한수학회보
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• 제55권3호
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• pp.921-935
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• 2018

In this study we determine the structure of m-adic residue codes over the non-chain ring $F_q[v]/(v^2-v)$ and present some promising examples of such codes that have optimal parameters with respect to Griesmer Bound. Further, we show that the generators of m-adic residue codes serve as a natural and suitable application for generating reversible DNA codes via a special automorphism and sets over $F_{4^{2k}}[v]/(v^2-v)$.

• Journal of Nutrition and Health
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• 제28권9호
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• pp.834-845
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• 1995

This study was conducted in order to establish an in vitro method simulating the physiological function of fibers along the large intestine of humans. Commercial fibers including guar gum, apple pectin, citrus pectin, CM-cellulose, alginic acid and $\alpha$-cellulose, and dietary fiber residues obtained from rice bran, barley, soybean, Korea cabbage, apple, tangerine and sea mustard were employed to determine the water-holding capacity, weight of hydrated residue and fiber content after anaerobic fermentation using human fecal inoculum for 24 hours, followed by dialysis under osmotic suction pressure. The weight of hydrated residue in commercial fibers was in the decreasing order of CM-cellulose > alginic acid, $\alpha$-cellulose > apple pectin, citrus pectin > guar gum and that in food fiber residues was in the decreasing order of rice bran, sea mustard > soybean > tangerine, Korean cabbage > barley > apple. It was demonstrated that the larger the weight of hydrated residue was, the more the weight of human stool increased. Consequently this in vitro method can be used as a preceeding test before undertaking animal or human experiment to predict the physiological effects of fiber residues from diverse food samples as well as commercially refined fibers.

• Journal of Ginseng Research
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• 제20권1호
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• pp.60-64
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• 1996

In this study, we investigated the appropriate conditions to extract acidic polysaccharide and to prepare red ginseng extract being rich in acidic polysaccharide from red tail ginseng marc produced after manufacturing alcoholic extract from red tail ginseng. Amount of acidic polysaccharide in red tail ginseng marc was about 11%. The best condition for the extraction of acidic polysaccharide from the marc was using of 3~5 mg of $\alpha$-amylase/g residue/15 ml of distilled water, and the amount of acidic polysaccharide in water extract of the residue treated with $\alpha$-amylase was about 27%. So, it is possible to manufacture red ginseng extract being rich in acidic polysaccharide using water extract of red tail ginseng alcoholic residue as extraction solvent. From the above results, we suggest that red tail ginseng residue produced by manufacturing alcoholic extract of red tail ginseng has high potencies in the utilization of waste material.

• 보존과학회지
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• 제36권4호
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• pp.244-254
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• 2020

This study investigates prehistoric human subsistence and pottery use on the Korean peninsula through the organic residue analysis of archaeological potsherds. Ancient human subsistence is one of the core topics in Korean archaeology. However, due to the high acidity of sediments, which prevents the long-term preservation of organic remains, archaeologists have been short of critical information on how these early prehistoric dwellers lived. Ceramic vessels can contain well-preserved lipids originating from past culinary practices. For a better understanding of human subsistence on the prehistoric Korean peninsula, food-processing behaviors were reconstructed by analyzing ancient lipids extracted from a pottery matrix. The potsherd samples used in the analysis in this paper were collected from major prehistoric habitation sites. The results show that subsistence strategies differed according to both location and time period and reveal how organic residue analysis can contribute to a better understanding of prehistoric human subsistence strategies.

• 공업화학
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• 제10권6호
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• pp.907-912
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• 1999

본 연구는 유기산염 및 알칼리 원료를 사용해 야채 및 과일등에 잔류되어 있는 농약 및 유성오염의 제거효과를 GC와 세정력 측정장치를 사용해 조사했다. 일반적으로 잔류농약 등의 유성 오염원을 제거하기 위해서는 합성세제, 유기용제 등의 여러 방법이 있지만 본 연구에서는 특별히 식품첨가물 원료만 사용했다. 알칼리 수용액상에서 trisodium citrate를 사용했을때 가장 우수한 결과를 나타냈는데, 기존의 화학 합성세제와 비교했을 때 우수한 농약제거력이 나타났다.

• 한국전기전자재료학회:학술대회논문집
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• 한국전기전자재료학회 1999년도 춘계학술대회 논문집
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• pp.501-504
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• 1999

In the shallow trench isolation(STI) chemical mechanical polishing(CMP) process, the key issues are the optimized thickness control within- wafer-non-uniformity, and the possible defects such as nitride residue and pad oxide damage. These defects after STI CMP process were discussed to accomplish its optimum process condition. To understand its optimum process condition, overall STI related processes including reverse moat etch, trench etch, STI filling and STI CMP were discussed. It is represented that the nitride residue can be occurred in the condition of high post CMP thickness and low trench depth. In addition there are remaining oxide on the moat surface after reverse moat etch. It means that reverse moat etching process can be the main source of nitride residue. Pad oxide damage can be caused by over-polishing and high trench depth.

• 혜화의학회지
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• 제22권1호
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• pp.129-143
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• 2013

This study was conducted to investigate the residue amount of pesticide on the 41 medicinal herbs in Daejeon area. This study was carried out to monitor the current status of pesticide residues in commercial medicinal herbs for sale of food use in 2012. It was performed using GC/ECD, GC/NPD, HPLC to analyze pesticides residues. Residues of 283 pesticides were analyzed by a simultaneous multiresidue method in 41 medicinal herbs being on sale in Daejeon. The medicinal herbs detected pesticides in 10 of 41 cases, showed a detection rate of 24.39%. The medicinal herbs which exceed the maximum residue limit were five cases as Cnidii Rhizoma, Osterici Radix, Artemisiae Capillaris Herba, Zizyphi Fructus and Alismatis Rhizoma. And pesticide residue of Cnidii Rhizoma and Alismatis Rhizoma exceeds the limit standard presented in only medicine use of KFDA. The residual pesticides which had the high detection rate were Chlopyrifos, Tebuconazole and Endosulfan in the detection of medicinal herbs. For further research, standards of Pesticide Residues in medicinal herbs should be added and more research of pesticide residues in medicinal herbs required. And standards of pesticide residues in medicinal herbs should be applied equally as medicines and food.

• 한국가금학회지
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• 제28권3호
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• pp.259-266
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• 2001

본 연구의 목적은 고온스트레스하에서 한방부산물의 첨가가 산란계의 생산성 및 난각특성에 미치는 영향을 조사하고자 실시하였다. 사양시험은 41주령 ISA brown 갈색계 144수를 공시하였으며, 처리구로는 옥수수-대두박 위주의 사료(Con; 기초사료), 기초사료에 한방부산물을 1.0% 첨가한 구(KMHR1.0; 기초사료+1.0% 한방부산물), 기초사료에 한방부산물을 2.0% 첨가한 구(KMHR2.0; 기초사료+2.0% 한방부산물)로 3개 처리로 구성되었다. 총 28일간의 사양시험기간 동안, 산란율에 있어 KMHR1.0 처리구가 다른 처리구와 비교하여 유의적으로 높게 평가되었다. (quadratic effect, p<0.01). 산란계 사료내 한방부산물을 첨가할 경우 난중 및 난각강도에는 영향을 미치지 못하는 것으로 평가되었다 (P>0.05). 난각두께는 둔단부, 예단부 그리고 중앙부에서 한방부산물 첨가구가 감소하는 경향을 보였으나 처리구간에 통계적으로 유의적인 차이는 보이지 않았다 (P>0.05). 난황색은 대조구와 비교하여 한방부산물의 첨가 수준이 증가함에 따라 높아지는 경향을 보였으나 통계적으로 유의적인 차이는 보이지 않았다 (P>0.05). 또한, 난황계수에 있어서도 대조구와 처리구간에 유의적인 차이를 보이지 않았다 (P>0.05). 혈청내 총 콜레스테롤, 중성지질, HDL-콜레스테롤과 LDL+VLDL-콜레스테롤 함량에 있어서는 대조구와 비교하여 한방부산물의 첨가 수준이 증가함에 높아지는 경 향을 보였으나 유의적인 차이는 보이지 않았다(P>0.05). 결론적으로, 고온 스트레스에 노출된 산란계에 있어 1.0% 수준의 한방부산물 첨가는 산란율을 증가시키는 것으로 사료된다.