• Title/Summary/Keyword: 오니

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A Method to Determine Amount of Adsorbed Oil in Hair Washing Using Absorption Spectroscopy (흡수 분광법을 이용한 세정 과정에서 흡착된 오일의 평가)

  • Song, Sang-Hun;Kim, Hyun young;Son, Seong Gil
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.45 no.2
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    • pp.105-116
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    • 2019

  • Oil adsorption during hair or body washing is responsible for the hair conditioning. In this study, we established a method to extract oil from a substrate, and to determine amount of adsorbed oil upon substrate using a conventional absorption spectroscopy. We controlled the mole fraction of a surfactant in a mixture of anionic and amphoteric surfactants because that it induces the coacervate that regulates amount of adsorbed oil through the alteration of oil viscosity. Based on this, we established the optimized condition for adsorption and extraction for oil. UV absorbance were employed to estimate the amount of adsorbed oil using optical absorbance after extraction via adsorption. The estimation was confirmed by comparing with a mass analysis in HPLC and an adhesive energy in AFM. It has been proved that this method can be applied to all cases of oil adsorption from the results with various cationic polymers and a complex system of the polymers which regulate the oil adsorption.

  • https://doi.org/10.15230/SCSK.2019.45.2.105 인용 PDF KSCI HTML

Studies on the Activated Sludge of Food Industries for Animal Feed - Part2. Nutritive Value of Brewery's Activated Sludge - (맥주공장(麥酒工場) Sludge의 사료적(飼料的) 가치(價値)에 관하여 - 제2보(第二報) 식품공장 활성오니(活性汚泥)의 사료화에 관한 연구 -)

  • Ki, Woo-Kyung;Ahn, Byung-Hong;Park, Tack-Kyu
    • Korean Journal of Food Science and Technology
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    • v.11 no.1
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    • pp.1-7
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    • 1979

  • This experiment was carried out to investigate the nutritive value of brewery's activated sludge on the performance and nutrients utilization of egg type chicken of babcock fed the different levels of sludge. The chemical composition, content of amino acids and mineral in brewery's activated sludge were also analyzed. 3,6,9 and 12% of brewery's activated sludge were supplemented with basal ration as a substituted ingredient to soybean oil meal in experimental ration. The results obtained were as follow: 1. Chemical composition analysis 1) Brewery's activated sludge had 42.50% of crude protein on the air dried basis, and had 15,69% of crude ash, and had 2,060 kcal of metabolizable energy per kg of sludge. 2) Total amino acid content of brewery's activated sludge was 42.50% and 99% crude protein of brewery's activated sludge was a true amino acid, and brewery's activated sludge contained especially more methionine and threonine that those of soybean oil meal. 3) In case of mineral content of brewery's activated sludge, phosphorus, magnesium, copper and iron were plentifully included. However, calcium content in brewery's activated sludge was very low. 2. Feeding trial 1) Body gain of chicken fed the different levels of sludge was decreased in proportion to increasing level of sludge was decreased in proportion to increasing level of sludge. However, no statistical differences were found out between treatments. 2) Diet intake of chicken fed the different levels of sludge was significantly (p<0.05) increased as the supplementation level of sludge in ration increased. 3) Feed conversion of chicken fed the different levels of sludge was high in proportion to increasing level of sludge in ration. However, there were no significant differences between treatments. 3. Digestion trial 1) Utilization of dry matter of chicken fed the different levels of sludge was decreased as the level of sludge in ration increased. However, no statistical differences were found out between treatments. 2) Utilization of crude protein of chicken fed the different levels of sludge was significantly (p<0.01) increased as the level of sludge was higher. Utilization of crude protein of control treatment and of sludge 3% treatment was higher than that of other treatments. 3) Utilization of crude ash of chicken fed the different levels of sludge was significantly (p<0.05) decreased in proportion to increasing level of sludge in ration. 4) Utilization of NFE of chicken fed the different levels of sludge was slightly decreased in proportion to increasing level of sludge in ration. However, no statistical differences were found out between treatments. Therefore according to this experiment, it may be concluded that brewery's activated sludge can be supplemented with chicken ration by $6{\sim}9%$.

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여성 감염인의 유일한 쉴곳, 새빛공동체

  • 알레스
    • RED RIBBON
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    • s.63
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    • pp.6-7
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    • 2005

  • 여성쉼터에 온 모든 사람들은 기대나 희망을 가지고 있다. 최근에 감염사실을 알게 되었거나, 병이 진행되어 기운이 없거나, 퇴원하고 갈 데가 없어 오는 사람이 있다. 아니면 임신 때문에 오는 사람들도 있다.

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