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김규랑 ( Kyu Rang Kim ),박기준 ( Ki Jun Park ),이혜림 ( Hye Rim Lee ),김미진 ( Mi Jin Kim ),최영진 ( Young Jean Choi ),오재원 ( Jae Won Oh ) 한국농림기상학회 2012 한국농림기상학회지 Vol.14 No.4
There are increasing number of allergic patients due to the increasing outdoor activities and allergenic pollens by local climate changes. Korea Meteorological Administration provides daily forecasts for pollen allergy warnings on the Internet. The forecast models are composed of pollen concentration models and risk grade levels. The accuracy of the models was determined in terms of risk grade. Pollen concentration models were developed using the observed data during from 2001 to 2006 and accuracy was validated against the data during from 2010 to 2011. The accuracy was different from location to location. The accuracy for most tree species was higher in April than that in May. The accuracy for weed species was higher in October than in September. Our result suggest that the models presented in this study can be used to estimate daily number and risk grade of pollens.
임윤규(Yun-Kyu Lim),김규랑(Kyu Rang Kim),조창범(Changbum Cho),김미진(Mijin Kim),최호성(Ho-seong Choi),한매자(Mae Ja Han),오인보(Inbo Oh),김백조(Baek-Jo Kim) 한국기상학회 2015 대기 Vol.25 No.2
Pollen is closely related to health issues such as allergenic rhinitis and asthma as well as intensifying atopic syndrome. Information on current and future spatio-temporal distribution of allergenic pollen is needed to address such issues. In this study, the Community Multiscale Air Quality Modeling (CMAQ) was utilized as a base modeling system to forecast pollen dispersal from oak trees. Pollen emission is one of the most important parts in the dispersal modeling system. Areal emission factor was determined from gridded areal fraction of oak trees, which was produced by the analysis of the tree type maps (1:5000) obtained from the Korea Forest Service. Daily total pollen production was estimated by a robust multiple regression model of weather conditions and pollen concentration. Hourly emission factor was determined from wind speed and friction velocity. Hourly pollen emission was then calculated by multiplying areal emission factor, daily total pollen production, and hourly emission factor. Forecast data from the KMA UM LDAPS (Korea Meteorological Administration Unified Model Local Data Assimilation and Prediction System) was utilized as input. For the verification of the model, daily observed pollen concentration from 12 sites in Korea during the pollen season of 2014. Although the model showed a tendency of over-estimation in terms of the seasonal and daily mean concentrations, overall concentration was similar to the observation. Comparison at the hourly output showed distinctive delay of the peak hours by the model at the ‘Pocheon’ site. It was speculated that the constant release of hourly number of pollen in the modeling framework caused the delay.
Glucose oxidase/Cellulose 나노멤브레인을 이용한 Glucose 응답형 Patch 센서의 전기화학적 특성
김규오,김건진,Kim, Kyu Oh,Kim, Geon Jin 한국섬유공학회 2018 한국섬유공학회지 Vol.55 No.1
Highly selective and efficient electrochemical non-invasive epidermal glucose sensors were fabricated using electrospun cellulose-immobilized glucose oxidase (cellulose/GOx) nanofiber membranes. CA nanofiber membranes displayed homogeneous, smooth, and strongly interconnected nanofibers with fiber diameter of $0.21{\pm}0.1{\mu}m$ after treatment with 0.05 NaOH aqueous solution. The electrochemical oxidation of glucose was chosen for the detection of glucose and was achieved through the fabricated nanofiber membranes. Furthermore, the fabricated nanofiber membrane exhibited good selectivity, high stability, and high reproducibility, and hence, it can be used in wearable noninvasive epidermal glucose sensors.
신규 프탈로시아닌계 염료를 이용한 면직물의 염색 및 견뢰도 특성
박승희,김규오,이정진,Park, Seung Hee,Kim, Kyu Oh,Lee, Jung Jin 한국섬유공학회 2017 한국섬유공학회지 Vol.54 No.2
Dyes for military uniforms are required to have high color, light, wash, and rubbing fastness properties along with a combined visual and infrared camouflage. Some phthalocyanine chromogens can absorb light in the near infrared (NIR) region. Thus, phthalocyanine dyes can be used for military uniforms requiring infrared (IR) camouflage. In this study, direct and reactive copper-phthalocyanine dyes were synthesized and applied on cotton fabrics for IR-camouflaging. The absorption maxima and the molar extinction coefficients of the synthesized dyes in water were 666-668 nm and $50,100-63,900Lmol^{-1}cm^{-1}$, respectively. The synthesized dyes, 1-4, exhibited good build-up properties on the cotton fabrics with dye 4 showing the best result. The cotton fabrics dyed with dyes 1-4 showed moderate light fastness, good color fastness, and very good wash and rubbing fastness. The NIR reflectance of the cotton fabrics with dyes 1, 3, and 4 was within 15-80% in the range of 700-1050 nm satisfying the South Korea Military Standards.
피부 온도변화가 UV에 의한 급성 피부 반응에 미치는 영향
권오상 ( Oh Sang Kwon ),황은주 ( Eun Ju Hwang ),이태성 ( Tae Sung Lee ),박정민 ( Jung Min Park ),김규한 ( Kyu Han Kim ),정진호 ( Jin Ho Chung ) 대한피부과학회 2003 대한피부과학회지 Vol.41 No.3
Background:Skin temperature at UV radiation exposure influences acute skin reaction such as erythema and pigmentation. As most biochemical systems are affected by temperature, thermal change preceding or following UV exposure could influence the responses
Poly(MAn-co-VAc)를 이용한 면섬유의 반응성 염색에 대한 방염효과
윤기종,김규오,서영삼,Yoon, Kee-Jong,Kim, Kyu-Oh,Seo, Young-Sam 한국섬유공학회 2009 한국섬유공학회지 Vol.46 No.3
Poly(maleic anhydride-co-vinyl acetate) copolymers were prepared by copolymerization in toluene, using AIBN as initiator. Cotton knit fabric was treated with poly(MAn-co-VAc) and the changes in the dye resist property with molecular weight, concentration and curing time was studied. The dye resist ability was evaluated by colorimetric analysis. Higher molecular weight copolymers were more efficient in blocking the dye. This appears to be due to the preferential reaction of the copolymer on the surface of cotton fabric, where the longer chains are more efficient in blocking the penetration of the dye into the fiber, due to the hydrophobic nature of the vinyl acetate comonomer. The blocking effect increased with concentration of the blocking agent padding bath, but yellowing occurred at concentrations above 30 wt%. Although dye resist effect was best when curing time of poly(MAn-co-VAc) was 2 min 30 see, the cotton fabric turned yellowish. Therefore, curing time should be less than 2 min 15 sec in order to avoid yellowing effect and obtain good dye resist property.
미토콘드리아 DNA D-loop Region 의 PCR - RFLP 를 이용한 한우 , 제주 재래한우와 타 품종과의 유전적 관계 분석
이성수,고서봉,오운용,양영훈,김규일,조병욱 ( Sung Soo Lee,Seo Bong Ko,Woon Yong Oh,Young Hoon Yang,Kyu Il Kim,Byung Wook Cho ) 한국축산학회 1998 한국축산학회지 Vol.40 No.4
This study was conducted to determine molecular genetic differences between Korean native cattle and Cheju native cattle and also investigated phylogenetic relatiqnships to other cattle breeds using PCR-RFLP analysis of mtDNA D-loop region. The cable breeds investigated were Korean native cattle, Cheju native black cattle, Cheju native yellow cattle, Aberdeen Angus, Charolais, Hereford and Holstein. Seventy DNA samples from 7 breeds (10 samples/breed) were examined at 29 sites restricted by 10 enzymes, of which 8 enzymes showed polymorphism when the D-loop region was digested. The 8 enzymes were Msp I, Rsa I, BstX I, Hsp92II, Mbo I, Hxm, Ava II and Hinc II, and on the other hand the two enzymes, Hha I and BamH I, showed no polymorphism. Restriction types and polymorphic sites were used to construct a phylogenetic tree, where Korean native cattle was more closely clustered with Cheju native yellow cattle than the other breeds.
이혜림 ( Hye Rim Lee ),김규랑 ( Kyu Rang Kim ),최영진 ( Young Jeanchoi ),오재원 ( Jae Won Oh ) 한국농림기상학회 2012 한국농림기상학회지 Vol.14 No.3
There has been increasing number of patients with asthma, rhinitis, and conjunctivitis due to the atmospheric pollution and global warming. In this study, we investigated daily observed number of pollens to establish a standardized method for the impact analysis of the climate changes on the number of daily pollens in Korea. Daily observed allergenic pollens of trees, weeds, and pine were analyzed during the period of 1998 to 2010(except 2006) in Seoul, Busan, Daegu, Gwangiu, Gangneung, and Jeju. They increased in large cities including Seoul during the last 12 years and the long-term trend may continue in the future. Daily concentration or amount of pollens was highly correlated with weather variables. Positive correlation was found between air temperature and the pollens although different relationships existed for different locations. Chill days were utilized to estimate the length of the pollen season in the future.
김동원(Dong Won Kim),오준규(Jun Kyu Oh),김규한(Kyu Han Kim),박경찬(Kyoung Chan Park),이환종(Hoan Jong Lee) 대한피부과학회 1993 대한피부과학회지 Vol.31 No.5
Chronic mucocutaneous randidiasis is a clinical syndrome characte ized by chronic and reccurent superficial candidal infection of the skin, mucous membranes, and nails. This syndrome is frequently associated with immune deficiency or endocrinopathy, especially hypopar; thyroidism. We report a case of chrcinic mucocutaneous candidiasis associated with hypoparathyroidism in a 8- year-old girl. (Kor J Dermatal 1993;31(5):755-759)