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金永琪,金又寬 慶北大學校 1971 論文集 Vol.15 No.-
The area around Naktong river Basin may be divided into two hydrogeologic provinces on the basis of hydrolic boundary analysis. The hydrogeologic provinces are named as Naktong and Silra hydrogeologic provinces by the writers. The Naktong hydrogeologic province locates at the west and north west side of Naktong River, whereas silra hydrogeologic province locates at the east side of Naktong River. The Naktong hydrogeologic provinces consists of upper-Naktong river, Naesungcheon, Songyacheon, yungcheon, Namcheon, Kamcheoon, Baekcheon, Hecheon, Hwangcheon, and Namgang Groud water system. The silra hydrogeologics province consist of Banbyencheon, Micheon, Uicheon, Suensan, Kumhogang, Changnyeng, milyangcheon, and under Naktong river Ground water systems. This paper entitled "The Hydrogeologic Study of Naktong River Basin" emphasizes the ground water movement within kamcheon and Sangjoo Namcheon river basin Ground water System. The studied system consists hydrogeologically of the consolidated rocks and unconsolidated deposits. The groundwater within the consolidated rocks (Granite and Gneissose rock) is Neglible for us to use it. Accordingly, The writers mainly study groundwater within the unconsolidated deposits. The unconsolidated deposits consists in some detail of Sedentary and Alluvium deposits. The coefficient of permeability in the Sedentary deposits is so neglible that the writers again exclude it from ground water category in the system. The writers finally limit their detailed study to the Alluvium deposits. The boring data from Aquifier and detailed geology within the Alluvium deposit were carefully discussed and studied at the stand point of Ground water movement and concluded as the followings: (1) The amount of under ground water is not dependent on the depth of each layer but on its permeability coefficient. (2) The sedentary deposits of Granitic rocks are the most favorable reservoir of nderground water among the wide sedentary deposits. (3) The classification of the layers according to the size of their materials is very useful for the calculation of permeability coefficient. (4) The practically applicable radius of influence circle of the study area is nearly equal the half to that of their formula. (5) The seven ground water areas within kamcheon river basin groundwaters system from grownd water dome, and ground water basin. However, the ground water over the whole system is considered to be closer to Artesian water rather than ground water. (6) The speed of ground water flow range 1.4㎝/H to 190.57㎝/H. The average would be 25㎝/H. The ground water flows so slowly that it would take considerable time before the water gathers after discharge.
金永琪,金又寬 慶北大學校 1970 論文集 Vol.14 No.-
According to the study of the Sangjoo-Namcheon River Basin it may be concluded as followings; 1. The amount of underground water is not dependent on the depth of each layer but on its permeability coefficient. 2. The sedentary deposits of granitic rocks are the most favorable reservoir of underground water among the wide sedentary deposits. 3. The classification of the layers according to the size of their materials is very useful for the calculation of permeability coefficient. 4. The practically applicable radius of influence circle of the study area is nearly equal the half to that of their formula. This may be due to the permeability coefficient.
Characterization of the Vertical Position of the Trapped Charge in Charge-trap Flash Memory
Kim, Seunghyun,Kwon, Dae Woong,Lee, Sang-Ho,Park, Sang-Ku,Kim, Youngmin,Kim, Hyungmin,Kim, Young Goan,Cho, Seongjae,Park, Byung-Gook The Institute of Electronics and Information Engin 2017 Journal of semiconductor technology and science Vol.17 No.2
In this paper, the characterization of the vertical position of trapped charges in the charge-trap flash (CTF) memory is performed in the novel CTF memory cell with gate-all-around structure using technology computer-aided design (TCAD) simulation. In the CTF memories, injected charges are not stored in the conductive poly-crystalline silicon layer in the trapping layer such as silicon nitride. Thus, a reliable technique for exactly locating the trapped charges is required for making up an accurate macro-models for CTF memory cells. When a programming operation is performed initially, the injected charges are trapped near the interface between tunneling oxide and trapping nitride layers. However, as the program voltage gets higher and a larger threshold voltage shift is resulted, additional charges are trapped near the blocking oxide interface. Intrinsic properties of nitride including trap density and effective capture cross-sectional area substantially affect the position of charge centroid. By exactly locating the charge centroid from the charge distribution in programmed cells under various operation conditions, the relation between charge centroid and program operation condition is closely investigated.
옥상녹화를 위한 저관리ㆍ경량형 B.A 경량식생블럭 생산 및 시공 매뉴얼 개발 연구
김진관(Kim, Jin-Goan),오재훈(Oh, Jae-Hun),허영기(Huh, Young-Ki),문종욱(Moon, Jong-Wook),안영철(Ahn, Young-Chull) 대한건축학회 2014 大韓建築學會論文集 : 構造系 Vol.30 No.12
Korea has been promoting green-roof related industry with a great efforts, which leads many researchers to study and develop technology of economical and lightweight green-roof system. In this study, the industrial waste of ‘Bottom Ash’ produced inevitably from thermal power generation was researched in order to examine the possibility of using it as material for lightweight vegetative block for an economical and lightweight green-roof system. A production manual of the block containing material selection and delivery, mixing, maintenance; and a construction manual of the system are also proposed. From a study of two test-beds of the system, it was revealed material cost as well as maintenance efforts could be saved. Moreover, the system is believed to be a very environment friendly since the system is utilizing industrial waste. Findings from the study will be a great interest of the industry. This study will also be beneficial for those performing related studies.
휠체어 농구선수들의 호흡순환기능과 혈관탄성에 관한 연구
김영준(Young Jun Kim),한경희(Gyung Hee Han),김주홍(Ju Hong Kim),이은희(Eun Hee Lee),문성진(Sung Jin Moon),최진관(Jin Goan Choi),장성동(Song Dong Chang),홍명엽(Myeng Yob Hong) 한국사회체육학회 2007 한국사회체육학회지 Vol.0 No.31
This study was purpose to investigate effect of after maximal exercise on cardiorepiratory function and vascular compliance with wheelchair basketball athletes and normal athletes and sedentary. The subjects consisted of spinal cord injured(N=10), basketball athletes(N=10), controls(N=10) that used arm ergometer 30W(watt) loading after warm-up from 0W to all out per 15W. The groups analyzed systolic and diastolic blood pressure, measured on K4b2 through Monark cycle ergometer, vascular compliance through pulse wave velocity. The results were as follows : 1. Cardiorespiratory increased significantly in basketball athletes than spinal cord injured and controls. 2. Vascular compliance was increased in basketball athletes but not significantly. The results suggest that wheelchair athletes was enhanced on cardiorespiratory through basketball. Thus, wheelchair basketball was thought on effected exercise that increased blood volume, pressure, and affirmative effect in sympathetic system.
Characterization of the Vertical Position of the Trapped Charge in Charge-trap Flash Memory
Seunghyun Kim,Dae Woong Kwon,Sang-Ho Lee,Sang-Ku Park,Youngmin Kim,Hyungmin Kim,Young Goan Kim,Seongjae Cho,Byung-Gook Park 대한전자공학회 2017 Journal of semiconductor technology and science Vol.17 No.2
In this paper, the characterization of the vertical position of trapped charges in the charge-trap flash (CTF) memory is performed in the novel CTF memory cell with gate-all-around structure using technology computer-aided design (TCAD) simulation. In the CTF memories, injected charges are not stored in the conductive poly-crystalline silicon layer in the trapping layer such as silicon nitride. Thus, a reliable technique for exactly locating the trapped charges is required for making up an accurate macro-models for CTF memory cells. When a programming operation is performed initially, the injected charges are trapped near the interface between tunneling oxide and trapping nitride layers. However, as the program voltage gets higher and a larger threshold voltage shift is resulted, additional charges are trapped near the blocking oxide interface. Intrinsic properties of nitride including trap density and effective capture cross-sectional area substantially affect the position of charge centroid. By exactly locating the charge centroid from the charge distribution in programmed cells under various operation conditions, the relation between charge centroid and program operation condition is closely investigated.
이상룡,오경석,이건호,설상영,변상준,윤혜경,고원규,김오길,전진숙,김학준,안용준,하준호,김순관,전인선,김 형 대한소화기내시경학회 1999 Clinical Endoscopy Vol.19 No.1
A 69-year-old male was admitted to the neurosurgery department for traumatic intracra-nial hemorrhage in both frontal lobes. After 2 months, he complained of epigastric dis-comfort, nausea, vomiting, and loose stools. The gastric endoscopic examination found acute hemorrhagic gastritis and there were rhabditoid nematode larvae in the gastric fluid and biopsy sections. The filariform larvae of Strongyloides sp. were discovered from a fecal culture. The patient was treated with albendazole (200 mg, po bid, for 4 weeks). The epigastric discomfort disappeared and endoscopic findings improved after treatment.