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Big Data Geo Analysis for Ancient Historical Places
우종욱 바른역사학술원 2022 역사와융합 Vol.- No.13
Information Technology (IT) has been moving quickly while computer and Internet technologies have been developed drastically and adopted in all areas such as business, science, communication, etc. History is one of the best areas to use IT because it has massive amounts of historical data, including text and media. The paper introduces the latest technologies that have been used or can be in the area of history. A tempo-spatial analysis is presented as an example to locate ancient historical places. Then, it shows the spots of Gija tomb using Baidu and Google, which is the location mentioned by Du Yu around AD 260.
당뇨병환자에서 동맥경화증의 병인에 관여하는 내피세포 및 혈소판의 기능에 관한 연구
우종욱(Chong Wook Woo),김현수(Hyun Soo Kim),홍대식(Dae Sik Hong),박희숙(Hee Sook Park),유명희(Myung Hi Yoo),김극배(Guk Bae Kim) 대한내과학회 1989 대한내과학회지 Vol.37 No.1
N/A Atherosclerosis is well known as a major complication in diabetes. To investigate the role of platelet function, Factor VIII: vWF and prostacyclin in the pathogenesis of atherosclerosis in diabetes, we performed a platelet function test and measured PGF 1 which is a metabolite of prostacylin, Factor VIII: vWF and thromboxande B2 in 15 patients with diabetes and 10 normal controls. The platelet function test showed that ADP-induced platelet aggregation was significantly enhanced in diabetic patients with retinopathy (80.6±11. 45% vs 42.6±8.71%, p<0.05) compared with normal controls, but collagen induced platelet aggregation or platelet adhesiveness showed no significant difference between diabetic patients and normal controls. The plasma Factor VIII R: Ag level in diabetic patients as not signficantly different from normal controls while plasma Factor VIII: vWF in diabetic patients was significantly increased compared with normal controls (51.33±5.33% vs 27.50±6.71%, p<0.05) The prostaglandin F1α level was signficantly decrease in diabetic patients (2.01±0.32 pg/tube vs 3. 17±0.48pg/tube, p<0.05), while the plasma thromboxane B2 level showed no signficant difference between diabetic patients and normal controls. Our data showed that the increase plasma Factor VIII: vWF level and decrease PGF1α level as well as abnormal platelet function may contribute to the mechanism of atherosclerosis in diabetic patients.
For the Modified Discrete Fourier Series of Absolutely Summable Sequences
Rhee,Jung-Soo,Woo,Jong-Wook 부산 외국어 대학교 2001 外大論叢 Vol.23 No.1
기존의 L2-space상에서의 Fourier Series의 표현 가능성을 확장하여 L1(Rn)상의 function을 수정된 courier 형태의 급수로 나타내고, 이 이론을 근거로 Modified Discrete Series로 재구성하여, 이의 응용으로 자동차 모형의 일부분의 점만으로도 전체모형을 나타낼 수 있음을 목적으로 한다. In the spectral analysis, Fourier coefficients is very important to give an information for the original signal f on the finite domain, since it recovers f. Also Fourier analysis has extension to wavelet analysis for the whole space R(See [1], [2], [3], [4], [5], [7], [11]). Various kinds of reconstruction theorems are main subject to analyze signal functions in L2(R) (See [6], [9], [10], [13], [14], [15], [16]). By recovering f properly, there are many applications in Digital Signal Processing and Image Processing. It is natural to consider reconstruction theorem in L1(Rn) using the known Fourier coefficient which is called a Modified Fourier Series expansion. See Theorem 2.2. and Theorem 2.3. in section II(Also see [17], [18]). In this paper, we will design a simple Model of automobile using the Modified Fourier Series expansion. See section III. Application.
자동차제조회사 근로자 1865명에 대한 위내시경적 집단검진 소견
최인영,우종욱,안영락 대한소화기내시경학회 1993 Clinical Endoscopy Vol.13 No.2
Background: Stomach cancer is the most commonly diagnosed malignant tumor in Korea. Early detection by mass screening very important to increase survival rate of stomach cancer, because the prognosis of early gastric cancer is excellent, and specific symptoms and physical findings are rare with early gastric cancer. Methed: 1865 car manufacturing company employees were examinined by gastrofiberscopy at a dispensary of the company from May 6, l992 to July 13, 1992. Results: 1. Number of cases with normal finding was 1262(67.7%), gastritis 422(22.6%), gastric ulcer 47(2.5%), gasrtric cancer 4(0.2%), duodenitis 39(2.1%), duodenal ulcer 63(3.4%), combined ulcer(gastric & duodenal) 2(0.1%,), post operative state 6(0.3%), and others 4(0.3%) in total 1865 examinees. 2. Of 422 cases with gastritis, cases with superficial gastritis were 171 (9.2%), atrophic gastritis 138(7.4%), erosive gastritis 94(5.0%) and hemorrhagic gastritis 19(1.0%). 3. Of 4 cases with stomach cancer, 1 case was advanced stomach cancer and 3 cases were early gastric cancer(two cases of IIc and one case of IIc+III) by macroscopic classification. Conclusion: Mass screening provides an excellent opportunity to detect gastric cancer in populations without symytoms or with nonspecific symptoms. It should be recommended to undergo screening exam for high risk group of stomach cancer.