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이숙영,박미정,최애진 중앙대학교 생활과학연구소 2001 생활과학논집 Vol.14 No.-
The effects of the different mixing ratios(10:0, 7:3, or 5:5) of Jinpum soybean milk to defatted soybean meal milk and the different enzyme treatments with α -chymotrypsin or trypsin on the yields, physicochemical and textural properties, and sensory characteristics of soybean cheeses were studied. The effects of the different replacement amounts(15, 30, or 45%) of defatted soybean meal on the physicochemical and sensory characteristics of sponge cake were also studied. In the results of yield, pH, lightness, hardness, mouthfeel and overall quality of sensory characteristics, the mixing ratio of 7:3 and the trypsin treatment were recommended for better manufacturing of high-quality soybean cheese. In the results of moisture contents, specific gravity, and overall quality of sensory characteristics, there were no significant differences between control and the sample of 15% replacement with untreated defatted soybean meal, and also between control and that of 30% replacement with trypsin-treated. The trypsin treatment of defatted soybean meal resulted in similar texture to control, the decrease in beany flavor, softer mouthfeel, and better moistness.
마이크로파 여기 플라즈마광 생성을 위한 도파관 시스템 설계에 관한 연구
전상재,전후동,송창현,하석영,이승혁,이태호,박의준 금오공과대학교 2005 論文集 Vol.26 No.-
In this paper, the plasma lighting system(PLS) excited by the commercial high power magnetron is developed. The design concepts are based on maximizing the huninous efficacy in conjunction with the miniaturization of waveguide system Furthermore the fine tuning is simplified by using only one stub, and the impedance matching is maximized by introducing the tapering technique. The experimental results show that the luminous efficacy can be dramatically improved by the proposed design method.
Molecular phylogenetic correlations of Brucella canis isolates in South Korea
Jin-Ju Lee(Jin-Ju Lee),Seong-Yeob Kim(Seong-Yeob Kim),Si-Chul Kim(Si-Chul Kim),Eun-Ji Yum(Eun-Ji Yum),Yoon-Jeong Seo(Yoon-Jeong Seo),Jeong-Soo Choi(Jeong-Soo Choi),Soon-Seek Yoon(Soon-Seek Yoon) 한국예방수의학회 2022 한국예방수의학회 학술대회자료집 Vol.2022 No.-
농식품 환경 분야(PF) : PF-11 ; 인체 혈시료 중 잔류 농약 biomonitoring 주요 현황
이현숙 ( Hyun Sook Lee ),경예나 ( Yena Kyung ),이동석 ( Dong Suk Lee ),이상목 ( Sang Mok Lee ),정지윤 ( Ji Yun Jung ),장문익 ( Moon Ik Chang ),이은주 ( Eun Ju Lee ),이규식 ( Gyu Seek Rhee ) 한국환경농학회 2014 한국환경농학회 학술대회집 Vol.2014 No.-
Biomonitoring using sample derived from human has been conducted in several countries. Most researches have traced organochloride insecticides which were banned since 1970s as endocrine distributor. Recently, researchers has conducted biomonitoring using urine and blood in human. Urine sample is difficult to calculate quantitative amount of pesticide because of metabolism in the kidney. It is also influenced by intake of waters or other factors. Blood is a regulated fluid and its volume does not vary virtually with water intake or other factors. Pesticides in the blood measured at a specified time interval after exposure will remain the same as long as the absorbed amounts are constant. Blood measurement provide and estimation of the dose available for the target site, allowing for prediction of dose-responserelationships. Blood concentrations of the pesticides are usually at a maximum directly after exposure, so if exposure events are known, the preferred time range for sampling may be clearer than with urine. But It has disadvantage also, when we sampling the human blood, it is needed to venipuncture. The amount of blood is influenced by collector’s techniques. In this study, we indicated that the results of biomonitoring researches and its methods using human blood. We also compared abroad and domestic research and its methods. It will contribute to improve domestic researches of residual amounts of pesticides in biomonitoring using human blood.
소병재,진영화,이상직,이은동,이경기,황의경,이상경,김재훈,박최규,윤순식,김기석,문운경,신명균,이성식 한국수의공중보건학회 2002 예방수의학회지 Vol.26 No.2
This study was conducted to investigate the current status of rabies in wild animals and to elucidate the wild animal transmitting rabies to domestic animals in the Republic of Korea. Through epidemiological survey of rabies near the Demilitarized Zone(DMZ) in Kyonggi and Kangwon Provinces, we found that raccoon dogs( Nyctereutes procyonoides) transmitted rabies to domestic animals in the infected area.To do this we tested the sera or/and brain tissue collected from 8 kinds of wild animals( Nyctereutes procyonoides, Meles meles, Lepus coreanus, Apodemus agrarius, Eothenomys regulus, Felis catus, Mutela sibirica coreana, Martes flavigula aterrima). Only raccoon dogs showed positive reaction in fluorescent antibody test. Naturally acquired antibodies against rabies virus could not be detected in other animals as well as raccoon dogs captured in the rabies infected and non-infected area in Korea. Antibodies against rabies virus could not be detected even raccoon dogs diagnosed with rabies. Therefore, it is considered that raccoon dogs would die before forming antibodies against rabies virus, if infected.
Lee, Seung-Youl,Son, Eunjung,Kang, Jin-Young,Lee, Hee-Seok,Shin, Min-Ki,Nam, Hye-Seon,Kim, Sang-Yub,Jang, Young-Mi,Rhee, Gyu-Seek Korean Chemical Society 2013 Bulletin of the Korean Chemical Society Vol.34 No.4
Parabens, the esters of p-hydroxybenzoic acid, have been widely used as antimicrobial preservatives in cosmetic products, drugs, and processed foods and beverages. However, some parabens have been shown to have weak estrogenic effects through in vivo and in vitro studies. Because such widespread use has raised concerns about the potential human health risks associated with exposure to parabens, we developed a simultaneous analytical method to quantify 4 parabens (methyl, ethyl, propyl, and butyl) in human urine, by using solid-phase extraction and high-performance liquid chromatography coupled with triple quadrupole mass spectrometry. This method showed good specificity, linearity ($R^2$ > 0.999), accuracy (92.2-112.4%), precision (0.9-9.6%, CV), and recovery (95.7-102.0%). The LOQs for the 4 parabens were 1.0, 0.5, 0.2, and 0.5 ng/mL, respectively. This method could be used for quick and accurate analysis of a large number of human samples in epidemiological studies to assess the prevalence of human exposure to parabens.