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Sim, Chae-Kyung,Kim, Sang-Joon,Kim, Joo-Hyeon,Seo, Haing-Ja,Jung, Ae-Ran,Kim, Ji-Hyun The Korean Astronomical Society 2008 Journal of The Korean Astronomical Society Vol.41 No.3
We have investigated the optical properties of the global haze on Titan from spectra recorded between 7100 and $9200{\AA}$, where $CH_4$ absorption bands of various intensities occur. The Titan spectra were obtained on Feb. 23, 2005 (UT), near the times of the Cassini T3 flyby and Huygens probe, using an optical echelle spectrograph (BOES) on the 1.8-m telescope at Bohyunsan Observatory in Korea. In order to derive the optical properties of the haze as a function of altitude, we developed an inversion radiative-transfer program using an atmospheric model of Titan and laboratory $CH_4$ absorption coefficients available from the literature. The derived extinction coefficients of the haze increase toward the surface, and the coefficients at shorter wavelengths are greater than those at longer wavelengths for the 30 - 120 km altitude range, indicating that the Titanian haze becomes optically thin toward the longer wavelength range. Total optical depths of the haze are estimated to be 1.4 and 1.2 for the 7270 - $7360{\AA}$ and 8940 - $9150{\AA}$ ranges, respectively. Based on the Huygens/DISR data set, Tomasko et al. (2005) reported total optical depths of 2.5 - 3.5 at $8290{\AA}$, depending on the assumed fractal aggregate particle model. The total optical depths based on our results are smaller than those of Tomasko et al., but they partially overlap with their results if we consider a large uncertainty from possible variations of the $CH_4$ mixing ratio over Titan's disk. We also derived the single scattering albedo of the haze particles as a function of altitude: it is less than 0.5 at altitudes higher than ${\sim}150\;km$, and approaches 1.0 toward the surface. This behavior suggests that, at altitudes above ${\sim}150\;km$, the average particle radius is smaller than the wavelengths, whereas near the surface, it becomes comparable or greater.
진소연,심기현,이은지,구혜진,김명현,한영실,박정수,김용훈,Jin, So-Yeon,Sim, Ki Hyeon,Lee, Eun Ji,Gu, Hae Jin,Kim, Myung Hyun,Han, Young Sil,Park, Jung Su,Kim, Yong-Hoon 한국식품영양학회 2014 韓國食品營養學會誌 Vol.27 No.6
$20^{\circ}C$에서 15일 동안 저장기간별 사과의 변화를 살펴본 결과는 다음과 같다. 사과의 중량과 수분은 저장기간 경과에 따라 점차적으로 감소하는 결과를 보였으며, 사과의 저장 중 가용성 고형물 함량은 저장 4일차까지 최고치로 증가하였다가 서서히 낮아지는 경향을 나타냈다. 사과의 저장 중 유기산 산도는 저장 5일차에 급격히 감소하다가 완만히 감소하였으며, pH는 저장기간에 따라 완만히 증가하는 경향을 나타내었다. 저장 중 사과 껍질의 색상을 측정한 결과, L값은 저장기간에 따라 서서히 증가하였으며, a값은 저장 3일까지 감소하였고, 저장 5일에 증가되었다가 그 이후 점진적으로 감소하였다. b값은 저장 6일에 최저치를 보인 후 서서히 증가하는 경향을 보였다. 사과의 조직감을 측정한 결과, 저장기간이 증가됨에 따라 사과의 경도는 전반적으로 감소하였다. 저장 기간에 따른 사과의 총 페놀과 총 플라보노이드 함량을 측정한 결과, 총 페놀 함량은 저장 기간이 길어질수록 감소하는 경향이 나타났으며, 저장 3일차에서 저장 4일차에 큰 폭 감소하였다. 총 플라보노이드의 변화 결과, 1일차에 비교적 크게 감소하였고, 실험 7일차에서 8일차 사이에 급격히 감소하였다. 저장 기간에 따른 사과의 DPPH 전자공여능 측정결과, 저장기간이 증가할수록 DPPH 전자공여능은 감소하였으며, Vit. C 함량의 경우 저장 기간이 길어질수록 감소하였는데, 특히 저장 4일차에 비교적 크게 감소하였다. 사과의 관능평가 수행 결과, 저장기간이 경과함에 따라 외관의 좋은 정도는 0일차에 6.75에서 15일차 2.83으로 크게 감소하였으며, 신맛의 좋은 정도는 저장 기간에 따라 유의적인 차이를 보이지 않았으나, 전반적으로 감소하는 경향이었다. 단맛의 좋은 정도와 아삭함의 좋은 정도에서는 0일차에 각 6.25, 5.33으로 가장 높았으며, 15일차에 각 3.92, 2.83으로 유의적으로 감소하였다. 종합적인 기호도에서는 7일차와 8일차 사이에 5.00에서 3.50으로 비교적 큰 폭 감소하였으며, 15일차에 2.00으로 저장 기간에 지남에 따라 유의적으로 감소하였다. 이상의 실험결과, 사과 저장 시 3~4일차에 유의적인 차이를 보였으며, 저장 8일 이후에는 모든 항목에 있어 측정감이 크게 변화하는 경향을 나타내었다. 따라서 $0{\sim}1^{\circ}C$에서 장기 저장한 사과를 $20^{\circ}C$ 전후에서 저장 및 판매할 경우, 최고의 품질을 위해서는 3일 내에 판매할 것을 권장하며, 8일 이내에 재고를 소진할 수 있도록 유통 기간을 조정하는 것이 바람직할 것으로 사료된다. This study was performed in order to compare the changes in Korean apples' qualities and antioxidant activity when stored at room temperature, $20^{\circ}C$, for fifteen days. The results showed that the weight, moisture content, soluble solid content, acidity, and hardness levels decreased as the storage period increased. However, pH and color value L increased as the storage period increased. Total phenol contents, total flavonoids contents, DPPH free radical scavenging activity, and vit. C contents of apples significantly decreased with increased storage period. Sensory parameters, such as appearance, sweetness, sourness, crunchiness, and overall acceptability of apples, also decreased as the storage period increased. Based on these results, if, the apple are being stored around $20^{\circ}C$, then, to have the highest quality, the apples should be sold within three days, We also suggested that it is desirable not to store the apples fore more than eight days.
항암화학요법 관련 오심과 구토 완화를 위한 비약물요법에 관한 연구동향
소향숙,최자윤,조인숙,김영재,김지영,김애숙,김옥미,김춘심,김현오,설영애,안정옥,이애리,이영자 성인간호학회 2003 성인간호학회지 Vol.15 No.3
Purpose: Purposes of this study were to understand the current trends on complementary therapy in relieving chemotherapy-induced nausea and vomiting and to suggest the future research direction. Method: Subjects were selected on CINAHL, MEDLINE, Korean Academy Data Base from 1980 to 2001 which used nausea, vomiting, chemotherapy and complementary therapy as key words in experimental studies. Eight korean articles and twenty-one international articles were analyzed in terms of general characteristics, research methods, and types of complementary therapy. Data were analyzed by using descriptive statistical methods. Result: Since 2000, researchers have more actively used complementary therapy. In subject characteristics, mean age was 35.5 years old, 45% of the researchers were performed with high level of incidence of chemotherapy induced vomiting, 14% of them set limit of consecutive cycle during research, and 65% of them did not comment the selecting criteria of sample. About 60% of them were designed post-test only control group: 35% used INV by Rhodes, 31% used Likert scale, and 24% used VAS for dependent variable. Muscle relaxation therapy was mostly applied for relief of nausea and vomiting. Conclusion: Further studies will be needed to control extrinsic variables affecting nausea and vomiting in research design and to accumulate evidence with studies applying various complementary therapies.
Ji Sim JUNG,Youngsoo PARK,Ji Sim JUNG,Do Young KIM,Hans S. CHO,Huasiang YIN,권장연,Kyung Bae PARK,Takashi NOGUCHI,Wenxu XIANYU 한국물리학회 2004 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.45 No.3
In this study, silicon dioxide (SiO2) lms were deposited at temperatures below 200C by using the inductivity coupled plasma chemical vapor deposition (ICP CVD) technique. The breakdown electric eld of as-deposited SiO2 lm by using this method shows values as high as 8.6 MV/cm. Additionally the eects of post-metallization annealing on SiO2 were investigated. After 400C annealing, the capacitance-voltage (C-V) characteristics such as at-band voltage, and interface trap density are improved considerably. In TFTs fabricated on single crystal SOI substrates at low temperatures below 400C by using this gate dielectric, a sharp gate voltage swing of 85 mV/dec. with high electron mobility was obtained. ICP CVD, by using high density plasma, can realize an excellent SiO2 lm and is expected to be applicable for the gate oxide in high performance Si TFT on plastic as well as on glass substrate.
Treatment of Hidradenitis Suppurativa Patient with Klinefelter Syndrome by Adalimumab
( Ji Yeoun Shin ),( Jung Yeon Hong ),( Ho Jung Lee ),( Chang Yoon Sim ),( Young Lip Park ),( Jong Suk Lee ),( Sung Yul Lee ),( Jung Eun Kim ) 대한피부과학회 2019 Annals of Dermatology Vol.31 No.4
Hidradenitis suppurativa (HS) is a chronic, inflammatory and painful skin disease with recurrent nodules and tracts involving the intertriginous regions. It is known that the patient with HS shows an increased risk of metabolic disorders such as diabetes, metabolic syndrome and autoimmune diseases. Klinefelter syndrome (KS) is a sex chromosomal disorder occurring in males due to an abnormality of sexual differentiation, characterized by 47, XXY karyotype. Also, KS is related with somatic comorbidities such as metabolic syndrome, autoimmune and rheumatologic disorders as HS is. We report a HS patient with KS who shows a big improvement while on tumor necrosis factor-alpha inhibitor treatment. (Ann Dermatol 31(4) 446∼449, 2019)
A Large Grain Pentacene by Vapour Phase Deposition
Ji Sim Jung,Kyu Sik Cho,Jin Jang 한국물리학회 2003 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.42 No.III
We studied the deposition of a well-ordered pentacene film by vapour phase deposition. The optimizations of the growth of pentacene are carried out by varying the gas pressure in the reactor and substrate temperature. We found that the grain size depends strongly on the gas pressure in the reactor. The grain size of 20 $\mu$m has been obtained at the gas pressure of 200 Torr. The film was found to be strongly (001) oriented and its grain size decreases with decreasing the gas pressure.
특발성 과호산구 증후군에서 스테로이드 투약 중 진행한 폐침윤 1례
박지영 ( Ji Young Park ),최주영 ( Ju Young Choi ),정지민 ( Ji Min Jung ),심윤수 ( Yun Su Sim ),변건우 ( Gun Woo Pyun ),나윤주 ( Youn Ju Na ),강민정 ( Min Jung Kang ),강인숙 ( In Sook Kang ),이시내 ( Si Nae Lee ),김유경 ( Yoo Kyung 대한결핵 및 호흡기학회 2005 Tuberculosis and Respiratory Diseases Vol.59 No.1
Yoon, Jung Ho,Han, Jeong Hwan,Jung, Ji Sim,Jeon, Woojin,Kim, Gun Hwan,Song, Seul Ji,Seok, Jun Yeong,Yoon, Kyung Jean,Lee, Min Hwan,Hwang, Cheol Seong WILEY‐VCH Verlag 2013 Advanced Materials Vol.25 No.14
<P><B>Limiting the location where electron injection occurs at the cathode interface</B> to a narrower region is the key factor for achieving a highly improved RS performance, which can be achieved by including Ru Nanodots. The development of a memory cell structure truly at the nanoscale with such a limiting factor for the electric‐field distribution can solve the non‐uniformity issue of future ReRAM.</P>