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前期加耶의 對外關係 : 釜山·金海勢力의 經濟的基盤과 對外關係를 中心으로
도동열,허재혁 동의공업대학 1999 論文集 Vol.25 No.1
There were many restrictions in the study about ancient Kaya located in southern area of Korea because of the political use of Japan and the shortage of historical materials. But new occasion came because of the archaelogical studies about the outcome of the excavations in downstream area of the NakDong-river(洛東江). Kaya can be divided into two periods -The first term and The preceding term) -and the changing point of time is analogized as 4∼5th century. The center of the first term of Kaya was located at Kimhae(金海). Kaya prospered through the production of iron and overseas trade. The evidence of prosperity can be searched on the cultural phenomenons of the ancient tombs at Daesung-dong(大成洞) that many remains bespeak mightly influence were excavated until the first half of the 5th century. But after that, preceding term kaya declined rapidity. This event can be connected with description of the southern expedition by Kokuryo(高句麗), recorded on the monument of the King Kwangeaeto(廣開土) The Great which is known as the most important material on the Korean ancient history. After that, A1a-kuk(阿羅國) at Haman(咸安) and Taekaya(大加耶) at Koryung(高靈) became new center of Kaya area located in southern Korea until the destruction.
문철,권혁도,이동근,박경옥,성길현,이재은 大韓顎顔面成形再建外科學會 1994 Maxillofacial Plastic Reconstructive Surgery Vol.16 No.1
Necrotizing fascitis is a severe soft tissue infection characterized by extensive necrosis of superficial fascia, suppurative fascitis, vascular thrombosis, widespread undermining of surrounding tissues. Accociated systemic problems are widespread undermining of surrounding tissues, Accociated systemic problems are common, with chronic alcoholism and diabetes being most prominent. Most commonly this disease presents in the extremities, trunk, and perineum. Necrotizing fascitis of dental origing is rare and its fulminating clinical course is not well documented in the dental literature. The present report is a case of necrotizing fascitis following vital extirpation of the pulp in a patient with uncontrolled diabetes mellitus and liver cirrhosis. Originally throught to be caused by hemolytic streptococcus organism or stphylococcus aureus, advances in anaerobic culturing have shown it to be a synergistic bacterial infection involving aerobic and ovligate anaerobes. it is relatively rare in relatively rare in haea and neck regions. If it was not diagnosed and treated in early stages, necrotizing fascitis can be potentially fetal, with a mortality rate approaching 40%. It's treatment requires early recognition, prompt and aggressive surgical debriment and proper supportive cares, such as, antibiotic therapy, fluid resuscitation and correction of metabolic and electrolyte disorder, resolving of the underlying systemic disease. Recently, we experienced two cases of necrotizing fascitis in cervicofacial region, One patient was 60 years old male with uncontrolled Diabetes Mellitus and other patient was 48 years old with steroid therapy during 30 years. Local surgical wound healing was successful but, patients were died after admission, because of lung abscess, gastrointestinal bleeding, septic shock and respiration hold.
A Non-binary C-R Hybrid DAC for 12 b 100 MS/s CMOS SAR ADCs with Fast Residue Settling
Jae-Geun Lim,Je-Min Jeon,Jun-Ho Boo,Yoon-Bin Im,Jae-Hyuk Lee,Sung-Han Do,Young-Jae Cho,Michael Choi,Gil-Cho Ahn,Seung-Hoon Lee 대한전자공학회 2021 Journal of semiconductor technology and science Vol.21 No.4
This work proposes two versions of a 12 b 100 MS/s successive-approximation register (SAR) ADC based on a non-binary C-R hybrid DAC. The proposed DAC applies a non-binary weighted capacitor array to the 7 MSBs to meet the settling requirement of the DAC output and determines the remaining 5 LSBs using the reference voltages generated from a simple resistor string to reduce the DAC area significantly. The Version 1 ADC in a 28 ㎚ CMOS adopts a synchronous SAR logic and a comparator with a tail capacitor and a reset switch to minimize power consumption. The Version 2 ADC in a 0.18 ㎛ CMOS employs an asynchronous SAR logic with simple meta-stability correction logic to achieve high-speed operation. The Version 1 ADC which has an active die area of 0.042 ㎟ shows a maximum signal-to-noise-and-distortion ratio (SNDR) and spurious-free dynamic range (SFDR) of 62.3 and 77.3 ㏈, respectively, consuming 1.3 ㎽ with a 1.0 V supply voltage. The Version 2 ADC is based on a similar analog circuit topology, showing a maximum SNDR and SFDR of 60.1 and 73.5 ㏈, respectively, with an active die area of 0.30 ㎟, operating at a 1.8 V supply voltage.
산발성 대장직장암에서 Microsatellite instability에 따른 임상병리학적 차이
도재혁 ( Jae Hyuk Do ),김형준 ( Hyung Joon Kim ),장세경 ( Sae Kyung Chang ) 대한소화기학회 2002 대한소화기학회 춘계학술대회 Vol.2002 No.-
<목적> Microsatellite instability(MSI)는 유전성 비용종성 대장암의 약 90%, 산발성 대장직장암의 약 10-17%에서 발견되는 것으로 알려져 있다. MSI는 DNA mismatch repair gene(MMR)의 이상으로 발생되는 것으로 알려져 있으며 현재까지 최소 6종류의 MMR이 보고되어 있다. 이 중 hMLH1, hMSH2 유전자의 이상이 MSI를 일으키는 원인의 대부분을 차지하는 것으로 보고되어 있다. 산발성 대장직장암