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Jae-Min Park,Na-Ri Kim,Kyeong-Ho Han3,Ji-Hyeong Han,Maeng-Hyun Son,Jae-Kwon Cho 한국발생생물학회 2014 발생과 생식 Vol.18 No.4
Hyphessobrycon eques is a famous fish for ornamental fish market and aquarium. They are inhabit in regions of Amazon and Paraguay River basin. Serpae fishs were investigated 2–3 males are chased to female, and then males attempted to simulate the females abdomen. After fertilization, eggs were kept in incubators at 28oC. The fertilized eggs had adhesive and demesal characteristics and had a mean diameter of 0.92 ± 0.01 mm. Larvae hatched at 16 hrs post fertilization. The hatched larvae averaged 2.90 ± 0.16 mm in total length (LT). Complete yolk sac resorption and mouth opening occurred on the third day post hatching. At 45 days post hatching, the larvae were 12.5 ± 1.60 mm LT and had reached the juvenile stage.
서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)
김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1
In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.
大邱市 山格洞 一帶 流行한 豚Cholera의 調査 報告
孫濟英,趙漢喆 慶北大學校 1958 論文集 Vol.3 No.-
Hog cholera paevalence of a small which occured in Sankyek Dong, Taegu, Korea in August, 1957 was investigated by its incidence, anamnesis, clinical symptoms, pathological findings, bacteriological examinations of the affected hogs and animal inoculation with infected tissue. The obtained results were as follows. 1) This hog cholera prevalence was of a small scale and took generally chronic or subacute course, It apperently differ from past great outbreak of hog cholera in Korea. 2) Hog cholera vaccination which is applied now for the prevention of hog cholera in Korea, is supposed to give solid immunty, but it can not prevent all prevalence of hog cholera by means of regular vaccinations in spring and autumn, because the pigs which are delivered in that time, can not be vaccinated.
홍재표,윤명한,조영기,손현 경북대학교 공과대학 1987 工大硏究誌 Vol.16 No.-
The analysis of microstrip slot antenna fed by a strip transmission line can be obtained by applying transmission line theory with a discontinuity by the slot. To minimize reactance components of the slot, a p oper stripline length is selceted by measuring transmission coefficient. The array pattern is obtained by multiplication array factor to the element pattern and compared with the experimental results. m r
朴在弘,孫廣翼,韓健淵 경북대학교 산업기술연구소 1993 産業技術硏究誌 Vol.21 No.-
Unsteady flow in a natural river which meanders through a wide flood plain is complicated by large differences in hydraulic resistance and cross sectional geometry of the river channel and the floodplain. The unsteady flow is further complicated by the tendency for a portion of the flow to short-circuit along the more direct route afforded by the flood plain rather than following the longer route along the meandering channel. A mathmetical model for routing floods in meandering river with floodplains is presented. The one-dimensional equations modified such that the flow in the meandering channel and floodplain are identified separately. The floodplain model has been used to simulate flow in an idealized meandering river with a flood plain. Flood peak attenuation and travel time are found to increase as flood-plain roughness and width increase and as channel sinuosity decrease. Attenuation increase and travel time decreases as the flood plain flow increases.
최병재,한효정,이제호,김성오,손흥규 大韓小兒齒科學會 2006 大韓小兒齒科學會誌 Vol.33 No.1
과잉치란 치배 형성기 이상으로 유치열기와 영구치열기에 정상보다 많이 발생하게 된 치아를 말한다. 유치 과잉치의 빈도는 0.03~1.9%로 상악 유측절치 부위에 호발하고 대부분은 정상 치아 형태로 맹출하며 정상 시기에 탈락하므로 보호자들이 인식하지 못하는 경우가 많다. 과잉치의 발생에 대해서는 현재 치판의 과활성으로 인해 제 3의 치배가 발생한다는 가설이 널리 받아들여지고 있고 유치과잉치가 발생할 경우 영구치열기에는 정상 또는 비정상적인 형태의 계승 과잉치가 존대한다고 보고된 바 있다. 유치 과잉치의 약 75%는 정상적으로 맹출하고 탈락하기 때문에 특별한 처치는 필요하지 않지만 계승 영구치 맹출에 영향을 주는지를 관찰하기 위하여 정기적인 구강 및 방선학적 검사가 필요하다. 본 두 증례의 경우 정상 치아 형태의 유치 과잉치가 유전치부 발육 공간을 이용하여 상악 유측절치 부위에 맹출하였고 방사선 사진 검사 결과 유치 과잉치 하방에 매복된 계승 과잉치가 관찰되었으므로 이에 보고하는 바이다. Most supernumerary primary teeth erupt in the primary lateral incisor region and are reported to occur in 0.03 to 1.9% in the primary dentition. Most parents fail to recognize them because of their normal shape, eruption and exfoliation. Several theories have been proposed for the etiology of hyperdontia and the dental lamina hyperactivity theory is most widely accepted. When a supernumerary primary tooth develops. it is reported that there also exists a supplemental or rudimentary form of a succedaneous supernumerary tooth. Supernumerary primary teeth do not need specific treatment as 75% of them erupt and exfoliate normally. Only periodic radiographic exams are necessary to find out whether there is any problem with the eruption of the succedaneous tooth. In the following two cases, a supplemental supernumerary primary tooth with a loss of the anterior developmental space was observed at the maxillary lateral incisor region. Radiographic examination revealed an impacted succedaneous supernumerary tooth at the palatal side of the supernumerary primary tooth.
열공형과 비열공형 피질하 혈관성 치매에서 위험인자의 차이에 관한 비교 연구
배희준,정지향,유경호,나덕렬,김상윤,최경규,양동원,손의주,이상도,김재우,박경원,김응규,이재홍,박미영,한일우,함동석,최문성,하충건,최성혜,이애영,이병철,한설희 대한치매학회 2003 Dementia and Neurocognitive Disorders Vol.2 No.2
Backgrounds and Objectives: Vascular dementia is a group of dementing disoders arising from various stroke syndrome. Among these. subcortical ischemic vascular dementia (SIVD) is regarded as a relatively distinct clinical entity. However, MRI patterns of SIVD are not homogenous. In some patients, lacunes are dominant, and in others, subcortical white matter changes are. This study was designed to compare risk factor profiles between SIVD with and without multiple lacunes. Methods: We divided 47 subjects (22 males, mean age. 68 years) recruited from VADAPET (Multicenter Trial For Evaluation Of The Changes In the PET Images Of Subcortical Vascular Dementia Patient) study into two groups one with more than 5 lacunes in deep gray matter (lacune group) and the other with 5 or less(non-lacune group) Clinical characteristics and laboratory findings of two groups were compared. Results: Nineteen of 47 patients (40%) belonged to the lacune group. The lacune and non-lacune groups d d not differ in the following variables: age, hypertension, diabetes mellitus, hyperlipidemia heart disease, history of stroke or TIA, history of trauma or major surgery, family history of hypertension stroke, or dementia, age at diagnosis of dementia, body mass index, white blood cell count, ESR, CRP, fibrinogen, hemoglobin A1C, total cholesterol. LDL cholesterol creatinine, proteinuria, glucosuria, and microhematuria. However, male sex, smoking alcohol. hemoglobin, and HDL cholesterol were possibly associated more with lacune group SIVD than with non-lacune group (p<0 1) Multivariate analyses revealed that smoking, hemoglobin, and HDL cholesterol were independent predictors of SIVD with multiple lacunes Conclusion: Our study suggests that SIVD with multiple lacunes may be significantly different in smoking habits hemoglobin, and HDL cholesterol from SIVD without multiple lacunes.
Son, Jae Sung,Park, Kunsu,Han, Mi‐,Kyung,Kang, Chanyoung,Park, Sung‐,Geun,Kim, Jae‐,Hee,Kim, Woochul,Kim, Sung‐,Jin,Hyeon, Taeghwan WILEY‐VCH Verlag 2011 Angewandte Chemie Vol.123 No.6
<P><B>Gepresste Bi‐Nanokristalle</B>, die durch eine einfache Kolloidmethode erhalten wurden, zeigten sehr hohe elektrische Leitfähigkeiten von 10<SUP>4</SUP>–10<SUP>5</SUP> S m<SUP>−1</SUP> bei einer extrem niedrigen thermischen Leitfähigkeit von 0.35 W m<SUP>−1</SUP> K<SUP>−1</SUP>. Die Synthesemethode kann für die kostengünstige Herstellung von hoch effizienten thermoelektrischen Materialien durch gezielten Größenzuschnitt der Nanokristalle genutzt werden (siehe Bild; Skalierung 50 nm; <I>ZT</I>=Gütezahl).</P>