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金石萬 梨花女子大學校 韓國生活科學硏究院 1979 韓國生活科學硏究院 論叢 Vol.23 No.-
정유의 큰 결점은 용해도이다. 정유는 물에 난용성으로 극미량이 물에 포함될 뿐 임의로 필요한 농도로 가용화가 어려워 사용면에 지장이 많다. 이런 점을 감안하여 정유와 물만으로는 필요한 농도로 가용화가 곤란하므로 제3자인 비어온성 계면활성제를 사용하여 정유의 용해를 촉진 증가하고자 본 실험을 했다. 정유는 terpen계와 지방족계2동이 있어 우리 terpen계와 지방족계 2종이 있어 우선 terpene계의 박하율(pepeprmint oil)와 지방족계의 methyl salieylate를 선정하여 실험하기로 하고 계면활성제는 sorbitol화합물인 tween 20과 tween 80을 가용화제로 사용했다. 그 결과 박하유는 tween 80이 양호했으며, tween류의 농도를 증가함에 따라 정유를 고노동로 가용화할 수 있음을 확인했다. Essential oils can not be dissolved in satisfactory concentrations owing to their very slight solubility in water. We determined to dissolue freely them by use of nonionlisurfactants in water. peppermint and methyl salicylate were used as essential oils and tween systems were used as surfactants. Consequently, we observed that tween20 is more suitable to pepperimint than to tween 80, and tween 80 is more suitable to methyl subeylate than to tween 20. then, essential oil can be dissolved at high concentration by increasing subfastants.
金石萬 梨花女子大學校 韓國生活科學硏究院 1972 韓國生活科學硏究院 論叢 Vol.9 No.-
It is very important to study the hemolytic property and the action of the parenteral solutions. Although there are several methods for the calculation of hemolytic degree, we determined to review the method of optical absorption studied by Okano ee and tested 7 kinds of drug solutions. Upon inspectise, it is noted that there are two groups of drugs, according to their modes of action. One is a grop of drugs which are not hemolytic in isotonic solutions, but are more or less hemolytic in more dilute solutions. The other is a group of drugs which have specific hemolytic activity in spite of the concentration of solutions.
Anionics의 Sulfate鹽과 Sulfonate鹽의 洗淨力, 浸透力, 起泡力 및 硬水性等에 關한 硏究
金石萬 梨花女子大學校 韓國生活科學硏究院 1974 韓國生活科學硏究院 論叢 Vol.13 No.-
This study is a comparison experiment on the powers of detergent, foaming, permeation and hardness of Sulfonate salt and Sulfate esters which are active agents, and also is a comparison experiment of the two cases, one is a combination use of nonionics and the other is the use of anionics only. The obtained results are as follows: As a result of the research, Sulfonates was found to be good for solubility, and among Sulfate esters, lauryl system seemed to be good. But in hardness Sulfonates were better than the Sulfate esters, and in the powers of foaming and detergent among Sulfate esters, especially, the Sulfate ester conducted amide radical to coconut oil has the excellent foaming power, and has durability of foaming with excellent detergent power. Especially, it was good compared with the other in the detergent of animal oil with good permeation.
라우릴황산에스텔과 라우릴아마이드의 알킬롤황산에스텔과의 活性能에 관한 比較詩驗
金石萬,崔英淑 梨花女子大學校 韓國生活科學硏究院 1979 韓國生活科學硏究院 論叢 Vol.24 No.-
음이온성활성제는 고급지방산 또는 고급 알코올은 황상 easter型 또 sulornate 型 등 다양하며, 본 실험에서는 고급지방산에 직접 황상을 결합시킨 황상 ester과 간접으로 amide를 결합시킨 다음 황상 ester로 한 활성제의 활성능을 비교 시험한 결과 세정력, 경수성은 황상 ester가 약간 우수하고 침투력, 내산성을 amide 결합 황상 ester가 약간 우수하였다. A study of the comparative test of Sodium lauryl sufate and Sodium alkylol sulfate of laurylamide in their activities. The activities of Former are better in detergent power and hard water properties than the latter, but the latter is better in penetration and acidity.
S.Pietro교회의 평면계획을 위한 기하학적인 구성체제에 관한 연구 - Michelangelo의 계획을 중심으로 -
김석만 한국건축역사학회 1996 건축역사연구 Vol.5 No.1
This study is to analyze the geometrical composition system for the plan of S. Pietro by Michelangelo. In the result of study, the plan is based on the geometrical elements of circle square cross, and shaped to symbolize the Universe which consists of the Heaven the Earth the Man. The plan is constituted of the conception of composition into hierarchy and repetition intersecting 45 degree the same sized square with inscribed square in a circle. Such the geometrical composition system can be found out a large number of example to the geometrical composition of architecture and city planning from Vitruvius to Bramante and Da Vinci. This plan is disposed in balance as the regularly proportional system of 1:1, 1:2, 1:3, which is formed the principal space. And the interior space is constituted of the organic space system, expanding to the direction of horizontal, vertical(ascension), development for primary space and secondary space with center in the geometric composition system of altar.
金石萬 梨花女子大學校 韓國生活科學硏究院 1975 韓國生活科學硏究院 論叢 Vol.15 No.-
The Hemolytic action of Parenteral solution is closely related to the concentratian of drug solution, Therefore isotonic solution generally decrcases the hemolytic degree. In such a view point, the hemolytic degree of each blood form (A.B.O.AB) was tested under the same condition by 5 kinds of drug solution usually used. We found that there are some differenus of Hemolytic degree according to each blood form. Upon practise, it is noted that there are two groups of drugs, one is a group of drugs which are not hemolysis in isotonic solution, but the other is a group of drugs which have specific hemolys is in spite of isotonic sotution. Calcium chloride, sod. citrate, sod. bicarbonate, and calcium gluconate belong to the former category, and V.B_1, in the latter. We determined to review the method of optical absorption studying by OKano.