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Lithium Tantalate 적외선 센서의 광전특성에 관한 연구
송재용,장충근,김석원 경북대학교 센서기술연구소 1990 센서技術學術大會論文集 Vol.1 No.1
스퍼터링(sputtering)으로 실리콘 기판위에 LiTaO_(3) 박막을 성장시켜서 비정질 적외선 센서를 제작하고, Crystal Technology회사에서 제공한 LiTaO_(3) 단결정으로 적외선 센서를 제작하여 그 특성을 비교하였다. 센서들의 출력신호, 잡음 및 검지도 등을 조사하여 본 결과 비정질 박막센서의 잡음은 두께가 얇을 수록 적었으며 단결정센서의 잡음 보다 적었다. 그러나 검지도는 단결정센서가 더 높았으며 전반적으로는 비정질 박막센서의 광전특성은 단결정 센서 보다 저조하였다. Amorphus LiTaO_(3) infrared sensors are fabricated with the thin film deposited by RF sputtering technique on silicon wafers, and single crystal infrared sensors were fabricated with the commerical LiTaO_(3) single crystal offered by Crystal Technology Ltd. The signal, the noise and the detectivity are measured, respectively. the noise of the thin film sensors decreases as the thickness decreases and it is smaller than that of the crystal sensors. But the detectivity of the single crystal sensors are higher and the overall photoelectric characteristics of the amorphous thin film sensors were inferior to those of the single crystal sensors.
송정호,김남수,이용섭,김영중,송재모,이재선 한국유전학회 2002 Genes & Genomics Vol.24 No.2
Quercus variabilis is one of the most important tree species in both utilization of forest resources and management of forest ecosystem in Korea. To obtain the basic information for the establishment of breeding strategy and efficient management of genetic resources, five populations of Q. variabilis from 89 selected plus trees were studied using POPGENE and AMOVA analysis based on DNA markers focussing on the genetic diversity and variation among populations. The overall polymorphic amplicons were 78.6% and levels of genetic diversity within 5 populations were similar each other (Shannon's Index : 0.289∼0.423 [mean 0.366]). The values of total genetic diversity (H_t) and average gene diversity within population (H_S) were 0.265 and 0.239, respectively. The degree of genetic differentiation (G_st : 0.098) was relatively high compared with those of other tree species. Based on the cluster analysis of UPGMA, genetic relationships among 5 populations were not coincided with the pattern of geographic distribution.
宋寶鉉,金龍斗,李在根 順天大學校 1985 論文集 Vol.4 No.1
매실의 野生酵母를 발효 실험을 통하여 酵母의 同定, 酒精, Fusel oil 및 香氣 成分을 分析한 結果는 다음과 같다. 매실에서 발견된 野生酵母는 Saccharomyce cervisiaeSP. 5종 Pichti속 3종. Torulopsis 2종을 同定하였다. 酒精 生成力은 일발연 1호가 16%였으며 野生 酵母Ⅰ,Ⅱ.Ⅲ,Ⅳ는 각각 15.2%, 14.1%, 7.64% 및 13.5%였다. Fusel oil 生命力은 일발연 1호가 2.7%, 396호가 2.6%였으며 野生 酵母 Ⅰ,Ⅱ,Ⅲ,Ⅳ는 각각 0.5%, 0.3%, 0.3% 및 0.5%로 나타 香氣 成分은 일반연1호, 396호, 野生 酵母Ⅰ은 비슷하였으며 野生 酵母Ⅱ, Ⅲ, Ⅳ는 香氣 成分이 많은 것으로 나타났다. This study was conducted to evaluate the alcohols and flavors through fermentational using the wild yeast isolated in Mume(prunus mume s.e.t.z.)and the wild yeasts were identified, concurrently. The alcohols and flavors were analyzed by chromatography. 5 species(Sacch,cerevisiae sp.), 3 species(Pichia genus)and 2 spcecies(Torulopsis sp.)were identified. In the alcohol yielding ability test of yeasts, the yielding ability was 16% in Sacch cerevisiae, and 15.2%, 14.1%, 7.6%and 13.5% in the wild yeasts(#1,2,3,4), respectively, while in the fusel, the percentage of fusel oil was 2.7% in Sacch. cerevisiae, 2.6% in sacch. formosensis, and 0.5%, 0.3%, 0.3%and 0.8% in the wild yeasts(#1,2,3,4,)respectively. The amount of flavors made by yeasts such as Sacch cervisiae, Sacch. formosensis and wild yeast #1 was similar in each case but that of the wild yearst #2,3,4 was much more than above 3 species yeasts.
식물생장조절제 Seaweed extracts(GA14)의 수도 품종간 생육 및 수량에 미치는 효과
송재영,김용일,박보영,정재영,최현구,정종태,이희봉 충남대학교 농업과학연구소 2004 농업과학연구 Vol.31 No.1
This study was carried out to identify the effects of seaweed extracts(GA14) on growth of two rice cultivars, Junambyo and Donganbyo. Seedling qualities of two cultivars were better in all items including heading dates at early stage treated at seedling plus 2-3 leaf stages than at single treatment of seedling. Ripening ratio of Junambyo in paddy field was increased 0.3% by seaweed extracts(GA14) treatment, but that of Donganbyo decreased 0.5%. 1,000 grain weight of Junambyo and Donanbyo by seaweed extracts(GA14) treatment was two to four grams higher and the yield of two cultivars was also higher by three to four percent. Appearance characters of two rice cultivars was high in head, while damaged, chalky and crack rate were low at seaweed extracts(GA14) treatment. Protein, moisture and amylose characteristics related to table quality of Junambyo were not different by seaweed extracts treatment, but table values was high in only treatment. Donganbyo was also similar to Junambyo, but table quality was slightly high at non-treatment.
송무건,백재용,신관수,유송민 한국공작기계학회 2001 한국공작기계학회 춘계학술대회논문집 Vol.2001 No.-
In this study a vision system with image processing method have been introduced to find the edge radius of curvature. It was applied to inspect the edge quality of the de burring process product with brush grinding. Size of data was found to be critical in calculating the radius of curvature. Results using laser measurement system were compared.
낭성법랑모세포종, 함치성낭, 치성각화낭의 방사선소견과 Ki-67, PCNA, Cytokeratin 발현과의 연관성에 관한 연구
송만용,이삼선,이진구,이원진,허민석,이재일,민병무,최순철 대한구강악안면방사선학회 2004 Imaging Science in Dentistry Vol.34 No.2
Purpose : To compare the proliferation potential of the epithelial cells between unicystic ameloblastoma (UA), dentigerous cyst (DC), and odontogenic keratocyst (OKC) and to correlate this proliferation potential with the radiographic features of these three pathoses. Materials and Methods : Immunohistochemical expression of PCNA, Ki-67, and cytokeratin as a proliferation marker were assessed for 15 cases of UA, 15 cases of DC, and 15 cases of OKC. The degree of immunochemical expression of three proliferation markers were correlated with the radiographic features, especially cortical expansion (negative and positive) and shape of border (scalloped and round). Results : Using PCNA and Ki-67, OKC showed the highest proliferation potential and UA the lowest. Statistically significant differences were found between the OKC and the UA (p.0.05). However, no statistically significant difference was present according to the radiographic features in all pathoses. Using cytokeratin, there was no significant differences of proliferation potential among three pathoses. Conclusions : OKC epithelium has the most intense proliferation potential, followed by the dentigeous cyst and then unicystic ameloblastoma. There is no significant relation between the radiographic features and the proliferation potential of epithelium of these three pathoses.
여성생식계 상피세포에서 Glutathione S-Transferase 출현도에 관한 면역조직화학적 관찰
송계용,김석중,김미경,박용욱,유재형,박상철 중앙대학교 의과대학 의과학연구소 1991 中央醫大誌 Vol.16 No.2
Both placental form (GST-Pi) and basic form (GST-L) of glutathione S-transferase were studied in the epithelium of normal, tumor and tumor like lesions of female genital system. The results obtained were as follows : 1. Staining reaction of GST-Pi were moderate in normal cytotrophoblasts, mild in syncytiotrophoblasts, strong in corpus luteum, moderate to strong in salpingeal mucosa and in proliferative glands, moderate in secretory glands of indometrium and moderate in superficial squamous epithelium of cervix 2. Staining reaction of GST-L were mild in cytotrophoblasts and in syncytiotrophoblasts, of chorionic villi in corpus luteum, negative in salpingeal mucosa, very weak in proliferative glands, mild in secretory, glands of endometrium and in superficial squamous epithelium of cervix. 3. Staining reaction of GST-L were mild in cytotrophoblast and syncytiotrophoblast of choriocarcinoma, moderate in cytotrophoblasts, mild in syncytiotrophoblasts of hydatidiform mole, negative in mucinous epithelium of cust adenoma, in hyperplastia and adenocarcinoma, and mild in adenocarcinoma of cervix. 4. Staining reaction of GST-L were very weak in cytotrophoblasts and syncytiotrophoblasts of choriocarcinoma and in hydatidiform mole, negative in mucinous epithelium of cust adenoma, very weak in serous eptiethlium, negative to mild in hyperplastic and adenocarcinoma, mild in squamous cell carcinoma and adenocarcinoma of cervix. Therefore, staining reaction and distribution of GST-Pi and L isoengumes were different in normal and neoplastic cell of trophoblasts, salpinx, endometrin and cervix
송재훈,정기석,강문원,김도진,배현주,서지영,심태선,안중현,안철민,우준희,이남용,이동건,이미숙,이상무,이영선,이혁민,정두련,지역사회획득 폐렴 치료지침 제정위원회 대한감염학회 2009 감염과 화학요법 Vol.41 No.3
A successful therapy of community-acquired pneumonia requires appropriate empirical antimicrobial therapy. Etiology and antimicrobial susceptibility of major pathogens of pneumonia can differ by country. Therefore, an ideal treatment guideline of community-acquired pneumonia should be based on the studies performed in each country. We developed a treatment guideline for community-acquired pneumonia in immunocompetent adults in Korea. This guideline was developed by the joint committee of the Korean Society for Chemotherapy, the Korean Society of Infectious Diseases, and the Korean Academy of Tuberculosis and Respiratory diseases.