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김희진,위유민,박성규,홍성수,조태식,이상호 조선대학교 구강생물학연구소 2002 口腔生物學硏究 Vol.26 No.2
Dentinogenesis imperfecta is an inherited disorder of dentin formation, usually exhibiting an autosomal dominant mode of transmission. Type Ⅰdentinogenesis imperfects occurs in Patients afflicted with osteogenesis imperfecta. Type Ⅱdentinogenesis imperfecta is not associated with osteogenesis imperfects. Type Ⅲ dentinogenesis imperfecta (Brandywine type) occurs in a racial isolate area in the state of Maryland. Clinically, the color of teeth may range from a gray to brownish violet or yellowish brown with translucent or opalescent hue. The enamel often chips and fractures away, allowing speedy attrition of the remaining, poorly calcified. softer dentin. Roentgenographic features include pulpal obliteration, bulbous crowns and short and blunted roots. The cementum, periodontal membrane and the supporting bone appear normal
퍼지제어를 이용한 루프검지식 교통 신호등의 최적주기연구
김원규,박종국,홍유식 慶熙大學校 1994 論文集 Vol.23 No.-
This is a study of the electro sensitive traffic system which uses sensors to both extend the cycle if there are many vehicles waiting at a stop light, and reduces it, if there are only a few. It was determined that each vehicle which passes through the loop detector neither is the same length, nor weighs the same, nor is going the same speed. Therefore, the conventional traffic control method is an inadequate measure of traffic volume and can cause delays and increaes waiting time. This paper proposes the optimal traffic cycle using fuzzy control as a system which will reduce vehicle waiting time and will improve the average speed a vehicle travels.
Pbo-B₂O₃계 저융점유리에 코디어라트 Filler 첨가에 따른 특성에 관한 연구
강원호,이헌식,홍유식,이경희 明知大學校 産業技術硏究所 1989 産業技術硏究所論文集 Vol.8 No.-
On sealing glass for Joining with the ceramic substrate of which the coefficient of thermal(C.T.E) expansion is ??, the properties of sealing glass due to change the content and particle size of filler were studyed. Mother glass used PbO-B₂= 3 system glass and Ceramic filler used cordierite that have low dielectric constance and C.T.E. of ?? Optimum content of filler cordierite for matching C.T.E. withe ceramic substrate is 15 ∼ 17 wt.% and MOR in maximum at 15 wt.%. Sealing glass which prepared with coarse filler in average particle size have a good flowbility, but have a poor resistance to acid and high dielectric contance. The particle size range of cordierite in optimum properties is 270 - 400 mesh.
응집제 Ceramic-Zeolite type과 황토를 이용한 Microcystis aeruginosa 제거에 관한 연구
박홍기,정은영,이유정,정종문,최식영,홍용기 한국환경과학회 2002 한국환경과학회지 Vol.11 No.4
For the proposal of Microcystis aeruginosa control technique by coagulants, removal effects of coagulants were carried out using isolated strain and collected water bloom of M. aeruginosa on Downstream of the Nakdong River. Both of purified and field-collected M. aeruginosa were entirely sedimented by the addition of the coagulant Ceramic-Zeolite type Co 100 (1.5 mg/l) within 24 hr, but Yellow loess (10 mg/l) was less effective for the removal of M. aeruginosa within 24hr. Thus it was concluded that Ceramic-Zeolite type Co 100 was the most effective coagulant.
Wireless Traffic Light using Artificial Intelligence
Hong, You-Sik,Kim, Chong-Soo,Kim, Chang-Kyun Korean Institute of Intelligent Systems 2003 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.3 No.2
In this paper, we wish to construct a optimal traffic cycle using wire remote control. if police vehicle or ambulance suddenly enter the traffic Intersection, it will increase the traffic accident. In this paper, wireless traffic light use the radio traffic control signal and research about the hardware manufacture to check special detectors on urgency vehicles may safety and rapidly enter traffic intersection. Also, this paper present a traffic signal control conditions that analyzes different traffic intersection flows in cases of saturated flows, where the real traffic volume demand is large and the capacity constraints of bottlenecks have significant effects on the flow patterns. Through computer simulation this wireless traffic light has been proven to be much more safety and efficient than fixed traffic signal light which does not consider emergency vehicles for safety escort.
You-Sik Hong,Jin-Kyu Rhee,Han-Kyu Kim,Il-Ho Son,Woo-Sung Yoon,Nam-Kyu Lee,Do-Young Park,Keun-Ho Kim,Yong-Jin Kim,P. Khajidmaa,Sang-Suk Lee 한국자기학회 2014 Journal of Magnetics Vol.19 No.3
A portable clip-type pulsimeter equipped with a magnetic sensing Hall device has been developed to raise the accuracy of oriental disease diagnosis and therapy by convergence of magnetism and oriental medicine. To improve accuracy and reliability of conventional pulsimeter due to subjective analysis of the pulse wave and measuring position dependency of the arterial pulse sensor, the fuzzy algorithm was applied to analyze the strong- and weak-pulse wave symptom. Optimal time for electronic acupuncture was calculated using fuzzy rules and interference were drawn from objective data in view of pre-treatment. Moreover, the electrical characteristics of the pain parts that respond to acupuncture point were applied in view of post-treatment to propose the scientific pulse wave algorithm and simulation experiment.