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포틀랜드 시멘트 클린커 광물조성의 X선구절에 의한 정량분석
장세경,이전,한기성,Chang, Se-Kyung,Rhee, Jhun,Han, Ki-Sung 한국세라믹학회 1986 한국세라믹학회지 Vol.23 No.2
In this investigation x-ray diffraction method was mainly studied for quantitative analysis of clinker mineral composition. And also optical microscopic observation and Bogue calculation method were applied to compare with the x-ray diffraction method. In the procedure of x-ray diffraction analysis graphite monochromator automatic divergence slit and spinner for sample holder were used for minimizing the error due to the operation of the equipment. Especially the separation of overlapped peaks were proceeded by micro-processor automatically. The results of x-ray diffraction method for synthesized clinker were consistent with the Bogue value and the results of optical microscopic observation. However the results of quantitative analysis of mineral composition or commercial clinker containing solid solution of minor component were different from the Bogue value. On the other hand they agreed reasonably well with results of the optical mic-roscopic observation.
김영호(Young Ho Kim),김세헌(Se Heon Kim),이창걸(Chang Geol Lee),장세경(Sei Kyung Chang),박희철(Hee Chul Park),김귀언(Gwi Eon Kim),오영택(Young Taek Oh),이원상(Won Sang Lee),홍원표(Won Pyo Hong),금기창(Ki Chang Keum) 대한두경부종양학회 1996 대한두경부 종양학회지 Vol.12 No.2
Four cases of sphenoid sinus carcinoma have been observed for last 10 years and we reviewed English literatures about sphenoid sinus carcinoma. The sphenoid sinus carcinoma is rare and the diagnosis is difficult. In the early stage, the non-specific deep constant headache is the only symptom but if the sinus wall is penetrated, the neuro-ophthalmologic symptoms and signs may appear. The extension of lesion is identified by radiologic imaging and the diagnosis requires direct biopsy. In case of deep constant headache combined with neuro-ophthalmologic symptoms and signs the sphenoid sinus carcinoma should be considered. Our small data reveals that the radiation treatment offers a possibility of relatively good outcome, although most of the cases are advanced already on initial diagnosis.
위장관 ( 胃腸管 ) : 에탄올에 의한 흰쥐의 위점막 손상에서 위점막 항 산화 효소에 대한 D - Methyl Prostaglandin E1 의 영향
김종숙(Jong Suk Kim),이일남(Il Nam Lee),임종찬(Jong chan Lim),장세경(Se Kyung Chang),조현덕(Hyon Dug Cho) 대한소화기학회 1990 대한소화기학회지 Vol.22 No.4
N/A To clarify the mechanism of ethanol induced gastric mucosal damage and protective effect of d-methyl prostaglandin (PG) E against the gastric mucosal damage, the activiteis of superoxide (SOD), catalase, glutathione peroxidase of rat stomach were measured after topical application of ethanol in stomach of rats with or woitout d-methyl PGE pretreatment.Variable doses of d-methy1 PGE were given intragastrically at 30mins before the administration of 75% ethanol.The results were summarized as follows;1) The SOD, catalase, glutathion peroxedase activities increase with different concentration of ethanol.2) The each eazyme actinity also shwed dose dependent decrease in the d-methyl PGE pretreatment group than only 75% ethanol application group. According to our experimint it was suggested that superoxide radical may play a role on ehtnol-indeced gastric damage in rats.
박실무(Sill Moo Park),유병철(Byung Chul Yoo),이상재(Sang Jae lee),장세경(Se Kyung Chang),정혁(Hyeok Jeong),정우식(Woo Sik Jeong),손창재(Chang Jae Son),이효랑(Hyo Rang Lee),박중원(Chung Won Park) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.6
N/A Recently, colorectal cancer is one of the major public health problems and the annual incidence has been increased in Korea. We reviewed 175 cases of primary colorectal cancer who were diagnosed at Chungang University Hospital during a 10 year period from January 1982 to December 1991. The ratio of male to female was 1.2:1 and the peak incidence occured in the seventh decade (29.3 %) The location of cancer occurence were rectum (28. 6%), sigmoid colon (26.3%), ascending colon (25. 1%), transverse colon (6.9%), cecum (6.3%) and descending colon (5.7%) in the order of frequency. The most frequent symptoms were abdominal pain in the right sided colon lesions, bowel habit change in the left side colon and rectal lesions. The accuracy of preoperative diagnosis among barium enema (95.4%), sigmoidoscopy or colonoscopy (95. 9%) and computerized tomography (89.6%) was similar. Operation was performed in 86.8% and surgical resection of primary cancer was possible in 88.1% of operation cases. The most common histopathologic type was well differentiated adenocarcinorna(42.3%) and the prevalence of synchronous polyp was 15.4%. According to Dukes' classfication, the distribution was as follows; class A: 1.3%, class B: 48.1%, class C: 35.7%, class D: 14.9%
장세경 漢陽大學校 人文科學大學 1986 人文論叢 Vol.11 No.-
There are many proper nouns in the Sam-Kuk Saki and Sam-Kuk Yusa. But many of the same names are differently written in Chinese characters within two books. This paper studies only those persons names that are differently written within the two books, particulary treating, firstly, the part written in the Chinese characters with the same sound and similar form, and secondly, the rewritten part or names mistakenly written because of the similarity of the characters in shape, and thirdly, the names that are absolutely different, and fourthly, all others. Judging from these, we can recognize that characters with the same sound or similar appearance were in common use in their time periods, and further, the reason for such differing characters in written names must result from the different reference of the two authors.