입제의 수면처리에 의한 주요수도해충의 동시방제

최승윤,배상희,송유한,Choi Seung Yoon,Bae Sang Hee,Song Yoo Han 한국응용곤충학회 1970 한국식물보호학회지 Vol.9 No.1

본 시험은 유기인계 살충제인 Terracur P입제 및 Lebaycid 입제와 유기염소계 살충제인 상감마입제$(\gamma-BHC 입제)$를 수면시용 하였을때 수도요해충인 이화명충, 끝 동매미충, 애멸구 및 흰둥멸구에 대한 동시방제가능성과 방제적기를 구명하고 약제간의 방제효과를 비교코저 실시하였다. 얻어진 시험결과는 다음과 같다. 1) 약제처리후 부화직후 이화명충 접종 시험에 있어서 상감마와 Terracur P는 높은 살충율을 보였으나 Lebaycid의 살충율은 낮았다. 約 $50\%$ 살충력 잔효일수에 있어서 상감마는 8-14日이었고 Terracur P는 6일간이었다. 2) 당초 계획된 방제적기에 관한 정보는 얻을 수 없었다. 즉 주어진 일간격이 좁아 유의한 차를 얻을 수 없었다. 3) 1,2화기 이화명충에 대한 방제효과는 Terracur P=상감마>Lebaycid의 순이었다. 4) Terracur P와 Lebaycid 입제의 처리는 끝동매미충의 방제효과가 좋았으나 상감마$(\gamma-BHC 입제)$의 방제효과는 기대할 수 없었다. 끝동매미충에 대한 Terracur P와 Lebaycid입제의 잔효력은 30일 이상이었다. 5) 애멸구와 흰등별구에 대한 시험은 충의 서식밀도가 낮기 때문에 약제간 방제효과를 얻을 수 없었다. 6) 공시약제중 Terracur P와 Lebaycidd입제는 이화명충과 끌동매미충의 동시방제제로서 사용할 수 있을 것 같다. This experiment was conducted to find out the simultaneous control effect of granulated insecticides on the several major rice insect pests in Korea. The granulated insecticides used were Terracur P$5\%$ (one of the phosphoric insecticides), Lebaycid $5\%$, and Sang-gamma (gamma-BHC) $6\%$. Those insecticides were broadcasted by hand on the paddy field at the ratio of 3kg. in June and 4kg. in August per 10 a, and the date of insecticidal application was based on the maximum moth occurrence of the rice stem borer in 1969. The rice insect pests tested in this study were rice stem borer (Chilo suppressalis W.), green rice leafhopper (Nephotettix bipunctatus cincticeps U.), smiller brown planthopper (Laodelphax striatellus F.), and white back planthopper (Sogotella furcifera H.). For the study of residual effectiveness of the insecticides, the rice stem borer larvae just hatched from the eggs were installed on the sheath of rice plants collected from the paddy field after insecticidal treatment, and the mortality was made at 48 hours after installation. High mortality was observed in Terracur P and Sang-gamma treatments and low mortality in Lebaycid treatment. The duration of residual effects giving about 50% mortality was about 14 days in Sang-gamma and about 6 days in Terracur P treatments. The study on the effectiveness of the insecticides to the rice stem borer in the paddy field was made by the number of dead blades and white heads of the rice plants injured by the larvae, and the number of survival larvae in the straws after crop harvest. The order of insecticidal effectiveness to the rice stem borer was Terracur P=Sang-gamm>Lebaycid. The study on the effectiveness of the insecticides to the leafhoppers and planthoppers in the paddy field was made by the population density by sweeping (5 times) at the given day intervals after treatments. Terracur P was highly effective for the control of the green rice leafhoppers and Lebaycid was moderately effective, but Sang-gamma seemed not to be effective. The effectiveness of the insecticides tested to the planthoppers was not clear, and it seemed to related with the low insect population density. Study on the determination of proper timing of insecticidal application was not also made clear, and it seemed to be short in the range of day intervals in the insecticidal application. For the study on the control effects of the rice insect pests, rice yield per 100 hills per plot was observed. There was no statistically significant difference among the treatments in rice yields, but the order of yield (Terracur P>Sang-gamma>Lebaycid>Control) was paralleled with the tends of control effects above mentioned. In a view point of simultaneous control of the rice stem borers and green rice leafhoppers by the application of granulated insecticides, Terracur P and Lebaycid were more effective than Sang-gamma which have been used.

슬라이딩 섹터에 근거한 제어기 설계

배상현,손영수,한종길 조선대학교 전자정보통신연구소 2001 電子情報通信硏究所論文誌 Vol.4 No.2

A sliding sector is defined as a subset the state space, inside which some norm of state decreases with zero control input. The variable structure controller with sliding sector is designed to transfer the system state from the outside to the inside of the sliding sector in a finite time and enable the system state stay inside the sliding sector, and the resulted VS control system is quadratically stable. The simulation results are its effectiveness.

전자상거래상의 도메인 네임 분쟁사례에 관한 연구

배정한,김상도 한국통상정보학회 2000 통상정보연구 Vol.2 No.1

전자상거래의 활성화에 더불어 도메인 네임의 중요성이 증대되어감에 따라 도메인 네임을 둘러싼 분쟁이 증가하고 있다. 본 연구에서는 기존의 법원을 통한 도메인 네임 분쟁사례와 최근 들어 또 다른 대안으로 등장한 ICANN의 UDRP와 그 규칙을 살펴보고 관련 분쟁해결기구들(Providers)을 통한 분쟁사례를 고찰하여 국제적인 도메인 네임 분쟁에 있어 시사점을 제시하고자 한다.

고능율 와이어컷 방전가공조건에 관한 실험적 고찰

배성한,정윤교 國立 昌原大學校 産業技術硏究所 1993 産技硏論文集 Vol.7 No.-

Wire-cut electric discharge machining is technique in the midst of development, and the factors of effect on working characteristic are various. Purpose of this study is to obtain efficient machining condition for metal mold of satisfactional quality from experimental study in wire-cut electric discharge machining with alloy tool steel STD11. In this study, the effect of peak discharge current[Ip], gap voltage[Vg], and spark cycle[T] on machining speed[F], kerf width[G], and surface roughness[Ra] in wire-cut electric discharge machining are discussed mainly. It is found that F is function of Ip, Vg, T and expressed ad F = {α*Ip*(V-Vg)+β}/T[mm/min]. Relationship between Ra and F can be written as Ra=γ*F+δ[μm]. G is proptioned to Ip and Vg but is not connected with T. If the average roughness of metal mold is, therefore, decided, the machining speed and efficient machining conditions can be calculated.

자일리톨 껌 저작에 의한 유치 우식증 예방효과 비교분석

한성근,최연희,손은영,송근배,김영진,남순현 大韓小兒齒科學會 2004 大韓小兒齒科學會誌 Vol.31 No.2

자일리톨 껌 저작에 의해 어린이들의 유치우식증 예방효과를 평가하기 위하여 3개 어린이집에서 만 5~6세 어린이 123명을 최종 선정하였다. 자일리톨 껌을 씹는 군(42명), 솔비톨 껌을 씹는 군(42명) 그리고 아무런 조치도 취하지 않은 대조군(39명)으로 나누어 12개월 동안 하루 5회씩 껌을 저작하게 한 다음 구강검사와 우식활성 검사를 통해 유치우식증 예방효과를 비교 분석 하였다. 12개월 동안 대조군 어린이들에서는 dfs index가 5.19개면 증가하였고 솔비톨 군에서는 2.96개면이 증가한 반면 자일리톨 군에서 2.62개면이 증가하여 대조군에 비해 자일리톨 군은 47.1%가 감소하였고 솔비톨 군에서는 43.6%가 감소한 것으로 나타났다. Dentocult-SM strip 검사 및 site strip 검사 결과 모두에서 대조군에 비해 자일리톨 껌과 솔비톨 껌을 씹은 군의 아동들에서 우식활성도가 공히 감소되었다. 따라서 본 연구와 같은 집중적인 자일리톨 껌의 저작 사업은 대상자들과 부모들의 사업에 대한 호응도가 높았고, 사업 시행이 다른 국책 구강보건사업에 비해 용이하였으며 특히 유치우식증 예방적인 측면에서 효과적인 것으로 나타났다. The effect of xylitol and sorbitol chewing gums on dental caries levels among 5-year old kindergarteners was investigated. Three kindergartens the operations of which were partly subsidized by municipal government of Daegu city, Korea, were chosen as the study sites. The child base of the kindergartens were considered demographically and ethnically similar, representing middle-income families. The subjects were examined at their own kindergarten by the two dentists. Participation in the program was voluntary. Over 12 months, 123 participants chewed xylitol chewjng gums(X group; 42 subjects), sorbitol chewing gum@ group; 42 subjects), or did not receive chewing gum as a control group(C group: 39 subjects). Consumption of xylitol and sorbitol was 4.5 to 5.0 g/day/subject, consumed in five daily chewing episodes of 5 min. Oral examination, Dentocult-SM test and interproximal dental plaque collection were completed at baseline and 12 months later. The dmfs of group C increased 59.2%. but group S increased 33.4% and group X increased only 31.3% during 12 months study period. The caries prevention ratio was 47.1% at group X and 43.6% at group S. There also appeared the reduction of caries activity at group X(1.39), group S(1.50) than control group(1.79). Compared with groups S and C, there was a statistically significant reduction of S. mutans in interproximal plaque in group X. The results suggest that xylitol chewing gum can prevent dental caries of deciduous dentition, and may be a little more effective than a sorbitol-containing product in controlling some caries-associated parameters in kmdergarten-age subjects.

Ammonium Sulfide Passivation를 이용한 Indium Tin Oxide / Indium Phosphide 위성용 태양전지

배성호,한교용,김현태,이영철 嶺南大學校 工業技術硏究所 1996 工業技術硏究所論文集 Vol.24 No.1

To improve efficiency, ITO/InP solar cells were firstly fabricated and characterized by employing ammonium sulfide passivation technique. Indium Tin Oxide was rf sputtered on the Zn doped (100) p-InP substrate. Our results showed that the short-circuit current was greatly increased and the open circuit voltage was also enhanced. Therefore, the expected performance improvement could be achieved.

설갑상선 : 1 예 보고 A Case Report

한기석,배일헌,차상훈,김성진,박길선 충북대학교 의과대학 충북대학교 의학연구소 2003 忠北醫大學術誌 Vol.13 No.2

갑상선 조직 전체가 설기저부에 발생한 이소성 설갑상선 증례를 경험하였기에 그 방사선학적 소견을 문헌고찰과 함께 보고하고자 한다. 증례는 59세 여자 환자로 40 일전부터 발생한 음성 변화를 주소로 내원하였다. 이학적 검사에서 설 기지부 중앙에 회백색의 격막에 둘러 쌓인 3 cm 가량의 종괴가 있었으며, 종괴는 내장으로 돌출하여 구인두를 막고 있었다. 경부 전산화 단층촬영 측면 정찰 촬영에서, 설 기저부에 후방으로 돌출하여 구인두를 막고 있는 경계가 분명한 연부조직 종괴가 보였으며, 전산화 단층촬영 동맥기와 정맥기에 주변의 혈관과 비슷한 강하고 균일한 조영증강을 보이는 장경 2.5 cm의 원형 종괴가 있었다. 또한 갑상선이 있어야 할 경부 전방 공간에서 정상 갑상선 조직은 전혀 보이지 않았다. 설 기저부의 종괴에서 생검을 시행하였으며 병리 검사에서 갑상선 조직으로 진단되어 설갑상선으로 확진되었다. The authors report a case of ectopic thyroid that whole thyroid tissue was replaced by lingual thyroid. A 59-year-old female presented with dysphonia duration of 40 days. On physical examination, there was a 3 cm sized well encapsulated whitish mass protruding to oral cavity in milline of tongue to base. Computerized tomography of neck revealed homogeneously enhancing well marginated 2.5 cm sized round mass in the cecum of tongue base on arterial and venous phase. And there was no normal thyroid gland in lower anterior neck.

엔드밀 형상에 따른 가공특성 분석을 이용한 형상설계 S/W 개발

한창규,고성림,유중학,서천석,김경배 한국공작기계학회 2004 한국공작기계학회 춘계학술대회논문집 Vol.2004 No.-

The tool geometry parameters and cutting process have complex relationships. Until now, various cutting test were needed to acquire optimal design of end mill for the purpose of high speed machining, due to the insufficient knowledge about cutting process in high speed machining. Using various tools with different geometry, relationships between tool geometry parameter (rake angle, clearance angle, length of cutter) and cutting process (cutting force, surface accuracy, surface roughness) have been studied. Acquired data can be used to design optimal tool for high speed machining and developed tool geometry design S/W.

三天池의 環境과 微生物의 多樣性

한상국,이종운,배소현,장무웅,김시균 嶺南大學校 環境問題硏究所 1993 環境硏究 Vol.13 No.1

경상북도 경산시에 위치하고 있는 삼천지에 대한 환경요인 및 미생물상에 관하여 조사하였다. 삼천지 수계의 환경요인 분석결과, 그 평균값은 기온이 25.8℃, pH6.77, 경도 117.94mg/ℓ, 부유물질 4.5mg/ℓ, 용존산소량 3.3mg/ℓ, 생물학적 산소요구량 6.6mg/ℓ, 화학적 산쇼요구량 7.2㎎/ℓ, 염소이온 17.56㎎/ℓ, 황산이온 7.14㎎/ℓ로 나타났고, 중금속류는 Mn과 Zn만이 소량 검출되었으나 전반적인 오염도가 높아 수질환경 기준 IV급수에 해당하였다. 총 세균수는 3.32-8.85×?? No. inds/㎖의 분포를 나타냈고, 식물플랑크톤의 종구성은 규조류 33종, 녹조류 26종, 남조류 8종, 유글레나 13종, 와편모조류 6종 등 86종이 확인되었다. 규조류중 띠돌말과에 속하는 Fragilaria capucina, Synedra acus, S. familiaris 가 우점종이였다. Environmental factors and microflora of Samchun-impoundment in Kyongsan, Kyongpook were studied. Average data of environmental factors analysis are as followings : air temperature 25.8℃, pH 6.77, total hardness 117.94mg/ℓ, SS 4.5mg/ℓ, DO 3.3mg/ℓ, BOD 6.6mg/ℓ, COD 7.2mg/ℓ, ?? 17.56mg/ℓ, ?? 7.14mg/ℓ, Mn 0.05mg/ℓ, Zn 0.04mg/ℓ. Total bacteria in 4 site were 3.32×?? No. inds/㎖. Distribution and species of phytoplankton and zooplankton were 86 species including 33 species of bacillariophyceae, 26 of chlorophyta, 8 of cyanophyceae, 13 of euglenaceae, 6 of dinophyceae. Fragilaria capucina, Synedra acus, S. familiaris were dominant species.

담도에 국한되어 증상을 유발한 석회쓸개즙 2 예

윤성우,이지영,하경호,이수경,한나,배효근,박선자 고신대학교 의과대학 2010 고신대학교 의과대학 학술지 Vol.25 No.2

Limy bile is a rare condition characterized by excessive precipitation of calcium carbonate in the gallbladder or bile duct. Recently we experienced two cases with obstructive jaundice in which limy bile in the common bile duct but not in the gallbladder for one case, and in the common bile duct and intra hepatic duct but not in the gallbladder for another case. The patients were treated by endoscopic sphincterotomy. Here, we report the cases and review the literature.