Since healed microcracks in quartz grain of grantic rocks within the same mass have identical preferred orientations, the oreintations of granitic cores may be determined if the distinctive feature of healed microcracks can be used.In this study, the possibility of determining orientations of granitic cores using healed microcrack orientations were examined using samples from the borehole drilled to 200 m in depth at the Hongcheon. Eight sections whose core recoveries are 100% were selected. Two to six samples were collected in each section and orientations of healed microcracks in each sample were measured. Healed microcracks in samples from each section show almost identical orientations. The error range for sections with only one preferred orientations is within $\pm$5$^{\circ}$, indicating that correct orientations of core can be determined. However, orientations of cores in sections which have 2 or more healed microcrack orientations should be determined using orientations as well as distribution of peaks of orientations. The error range for this case is lager than former one and is within $\pm$15$^{\circ}$. The orientations of joint which is very impontant factor for designing tunnel and slope stability can be determined using healed microcrack orientation in cores.
The narration of "Donguibogam" is focused on humans whilst medical books before it focused on diseases. This is shown from the first subtitle of External Body(身形門) chapter, [The Origin of Hyung-Ki(形氣之始)]. The contents of [The Origin of Hyung-Ki] explains that the human body is composed of 'Hyung(形)' and 'Ki(氣)' This perspective is shown throughout "Donguibogam". First, in the aspect of construction, the viewpoint is shown from the JipRye(集例). It divides the body into inside and outside, which is a result of Hyung-Ki perspective. This continues in the table of contents. Naegyeongpyeon(內景) and Oehyeongpyeon(外形) describes the inside and outside of the body, in other words 'Hyung-Ki'. Japbyeongpyeon(雜病) describes complex illnesses with mixed insides and outsides. Tangaekpyeon(湯液) and Chimgupyeon(鍼灸) can be understood as division of treatment methods into inside and outside. When we look at the contents, the human body is created on the basis of the essence and vital energy of the world. Cheon-Ki becomes the 'Ki' that forms the functions of the body, while Ji-Ki becomes the 'Hyung' that constructs the bodily structure. It is considered that 'Hyung' is composed of SaDae(the body essence, vital energy, mentality and blood), and 'Ki' is composed of OSang(the five Jang organs and six Bu organs). 'Hyung' and 'Ki' show various appearances according to physiology and pathology. 'Hyung' is especially shown by obesity or thinness, 'Ki' by color. The obese may have Ki deficiency, coldness, dampness or phlegm. The thin could have blood deficiency, heat, fire or dryness. The color could show the pathology of the five Jang organs by the five colors, but it can simply be divided into black and white, where black means Eum deficiency, and white means Yang deficiency. It is said that the distinctive feature of traditional Korean medicine is that it is a constitutional medicine. In this perspective, further study on 'Hyung-Ki' is of value. If "Donguibogam" was the foundation of the Sasang Constitutional Medicine(四象醫學), study on 'Hyung-Ki' means searching for the origin of the Sasang Constitutional Medicine. Also, the study on Sasang Constitutional Medicine and Hyungsang medicine(形象醫學) will show the modern image of "Donguibogam". Hence, interchange study between "Donguibogam", Sasang Constitutional Medicine and Hyungsang medicine through the term 'Hyung-Ki' could hopefully lead to academic progression.
During the period of 4 years from August 1975 to August 1979 one hundred and forty seven cases of lung cancer were seen at Paik Foundation Hospital in Seoul, Korea. Among these 147 cases, 104 patients had primary carcinoma of the lung and the remainder was metastatic carcinoma to the lung. Among these 104 primary carcinoma patients, 73 cases were proven histologically as primary carcinoma of the lung. There were three cases of alveolar cell carcinoma [Table 1 ]. This clinical observation is based on those 73 cases including three case reports of the alveolar cell carcinoma. 1. Peak incidence was observed in the 5th decade of life. Male to female ratio was 2 to 1 [Fig. 1]. 2. Pathological classifications were as follows: epidermoid carcinoma, 24 cases [32.9%]; undifferentiated carcinoma, 20 cases [27.4%]; adenocarcinoma, 15 cases [20.5%]; bronchioloalveolar carcinoma [5.5%] and positive cytology, 10 cases [13.7%] [Fig. 2]. 3. Evidence of inoperability was observed in 55 patients [75% of the 73 cases] [Table 3]. 4. Among those 73 cases, operability was evaluated in 18 patients or 25%. One patient refused operation and 17 patients [23.6%] were explored. In 11 [15%] out of 17 patients, thoracotomies were performed. Six cases were pneumonectomies and 5 cases were lobectomies or bilobectomies [Fig. 3]. 5. First case of alveolar cell carcinoma was a 46 year-old housewife complaining of cough and hemoptysis for one year. The plain chest X-ray and bronchogram showed characteristic pictures as Figures 4 and 5. A pneumonectomy was carried out. Histologically, a beautiful alveolar carcinoma consisted of the characteristic tall columnar epithelial cells, which were lining the alveolar spaces as seen in Figures 6, 7, 8, and 20. 6. In the second case of 41 year old male, predominant clinical feature was single, well defined mass in the right lower lobe [Fig. 10 and 11] on chest X-ray. Bilobectomized specimen showed fragile, soft and hard tissue containing mucoid secretions and focal yellowish necrosis with pigmentation on cut surface [Fig. 12]. Slides showed tumor cells lined up along the alveolar septa with papillary projections [Fig. 13 and 14]. 7. Third case of alveolar cell carcinoma was a 50-year-old housewife with hemoptysis. An outstanding clinical picture was a round to lobulated mass in the right upper lobe [Fig. 16]. She is living now, 2 years and 1 month post-operatively, but has arrived at terminal stage with military nodular disseminations to the contralateral lung [Fig. 19].
Kang, Won Sik;Cheon, Kyong Whoon;Son, Byeong Hee;Kim, Sung Won
Clinical and Experimental Pediatrics
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v.45
no.4
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pp.512-518
/
2002
Purpose : Cerebral palsies are the most common and severe motor disabilities in childhood. There is currently increased interest in their occurrence and patterns of likely cause for a variety of reasons. Therefore, a retrospective study was carried out to understand the clinical features of cerebral palsy. Methods : A retrospective chart review was conducted of all children with cerebral palsy who were diagnosed at St. Benedict Hospital between March 1999 and March 2001. Results : Cerebral palsy patients were classified into 6 major groups. Of six groups, spastic diplegia is the most common type of cerebral palsy(55.3%). The risk factors of cerebral palsy were placenta previa(1 case), placenta abruption(1 case), cytomegalovirus infection(1 case), prematurity (53 cases), neonatal asphyxia(12 cases), dystocia(2 cases), breech delivery(1 case), multiple birth(5 cases), head trauma(3 cases), meningitis(2 cases) and unknown(26 cases). Among the 59 in the preterm group, 37 patients showed MR or CT images of periventricular leukomalacia. Among the 44 in the term group, 15 patients showed MR or CT images of atrophy. Among 103 patients, 29 patients(28.2%) had a seizure disorder. Conclusion : It is very importent to understand the clinical features and risk factors of cerebral palsy for physicians to diagnose and manage cerebral palsy patient.
In Web environment, a flood of spam causes serious social problems such as personal information leak, monetary loss from fishing and distribution of harmful contents. Moreover, types and techniques of spam distribution which must be controlled are varying as days go by. The learning based spam classification method using Bag-of-Words model is the most widely used method until now. However, this method is vulnerable to anti-spam avoidance techniques, which recent spams commonly have, because it classifies spam documents utilizing only keyword occurrence information from classification model training process. In this paper, we propose a spam document detection method using a characteristic of repeating words occurring in spam documents as a solution of anti-spam avoidance techniques. Recently, most spam documents have a trend of repeating key phrases that are designed to spread, and this trend can be used as a measure in classifying spam documents. In this paper, we define six variables, which represent a characteristic of word repetition, and use those variables as a feature set for constructing a classification model. The effectiveness of proposed method is evaluated by an experiment with blog posts and E-mail data. The result of experiment shows that the proposed method outperforms other approaches.
Digital Mammography is an efficient imaging technique for the detection and diagnosis of breast pathological disorders. Six mammographic criteria such as number of cluster, number, size, extent and morphologic shape of microcalcification, and presence of mass, were reviewed and correlation with pathologic diagnosis were evaluated. It is very important to find breast cancer early when treatment can reduce deaths from breast cancer and breast incision. In screening breast cancer, mammography is typically used to view the internal organization. Clusterig microcalcifications on mammography represent an important feature of breast mass, especially that of intraductal carcinoma. Because microcalcification has high correlation with breast cancer, a cluster of a microcalcification can be very helpful for the clinical doctor to predict breast cancer. For this study, three steps of quantitative evaluation are proposed : DoG filter, adaptive thresholding, Expectation maximization. Through the proposed algorithm, each cluster in the distribution of microcalcification was able to measure the number calcification and length of cluster also can be used to automatically diagnose breast cancer as indicators of the primary diagnosis.
In this study, I have looked though the Sijo made by Sowol and Jiyoung who were the frontiers of the Korean modern poetry. Through this study, I've tried to research the relationship between the free verse and their versifying Sijo. Sowol made the eight Sijo : six Sijo made in his early days. and the others made in later days. Sowol's early free verse tended to show the regular form. Although his 6 Sijo maintained the traditional form, he tried to make the formal changes. But the subject of those were in the way of view points of old Sijo. But the rest two Sijo strongly showed the problem of reality. Jiyoung made the 9 Sijo in his early days. But Jiyoung's is different from Sowol's. Jiyoung tried to make a new way of expressing the poetic images while Sowol was focused on the formal changes. Also, his final work 'Eun' had the feature of fixed form of verse. Through the research mentioned above, I confirmed that their tries to make the fixed form of verse were the background of developing and pioneering their free verse.
The objective of this study is to develop an analytic framework to code systematically the gamer's behaviour in MMO(Massively Multi-player Online) gameplay experience, to explore their gameplay as a problem solving procedure empirically. Previous studies about model human processor, content based protocol, and procedure based protocol are reviewed in order to build the outline of the analytic framework related to MMO gameplay. The specific gameplay actions and contents were derived by using concurrent protocol analysis method through the empirical experiment executed in MMORPG gameplay. Consequently, gameplay are divided into six actions : kinematics, perception, function, representation, simulation, and rule (heuristics, following, and transcedence). The analytic framework suitable for MMO gameplay was built. As a result of this study, we found three rule spaces in the problem solving domain of gameplay that are an heuristics, a following of the rule, and a transcendence of the rule. 'Heuristics' denotes the rule action that discovers the rule of game through trial-and-error. 'Following' indicates the rule action that follows the rule of game embedded in game by game designers. 'Transcendence' presents the rule action that transcends that. The new discovered rule spaces where 'Following' and 'Transcendence' actions occur and the gameplay pattern in them is provided with the key basis to determine the level design elements of MMO game, such as terrain feature, monster attribute, item, and skill et cetera. Therefore, this study is concludes with key implications to support game design to improve the quality of MMO game product.
Seo, Yeon Kyong;Jung, Yu Jin;Kim, Joon Sik;Kim, Heung Sik;Park, Woo Hyun;Choi, Soon Ok;Lee, Byung Yook;Kwon, Kun Young
Clinical and Experimental Pediatrics
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v.46
no.11
/
pp.1107-1111
/
2003
Purpose : Neuroblastoma is a malignant neoplasm which arises from primitive sympathetic neuroblasts, and occasionally can matured from a malignant neuroblastoma into a benign ganglioneuroma. It has the highest rate of spontaneous regression of any pediatric tumor. We performed a retrospective study of pathologic features after combination therapy in advanced neuroblastoma. Prognostic effects of the individual morphologic feature and prognostic groupings according to modified Shimada classification systems were analyzed. Methods : The treatment results for six patients with neuroblastoma seen at Keimyung University from Jan. 1991 to June 2000 were analyzed. Patients were treated with a combination of chemotherapy, radiation therapy, and surgery, and classified by two major prognostic criteria based on morphological features of neuroblastoma, such as modified Shimada classification and histologic grading. Results : Three cases were classified to a good histologic group; among them, two cases survived, but one case was lost in follow-up. There were three cases classified in a poor histologic group. All of these patients expired due to sepsis and hemorrhagic pancreatitis. Conclusion : Prognostic classification due to pathologic findings had significant value in evaluating the survival rate of neuroblastoma patients.
Petrological and chemical studies of Precambrian dikes in the southern Lake Superior region were conducted with the objects of evaluating magma source and constraining models for the paleo-tectonic environment. Forty-six samples were analyzed for major, trace, and rare earth elements. Chemical data of the studied dikes are typical of continental tholeiites and showing iron-enrichment fractionation trend. With wallrock contamination carefully evaluated, a series of tectonic discriminating methods utilizing immobile trace elements indicate that the source magma was a high-Ti tholeiitic basalt similar to present-day T-type MORB. Effect of chemical contamination from wallrock assimilation accmulates with increasing differentiation. Evolved rocks show LREE enriched patterns and have enhanced levels of LIL elements (e.g., Rb, K, Ba, Th), but low levels of high field strength elements (e.g., Nb, P, Ti) with respect to their neighboring elements. It is suggested from this study that this enrichment possibly due to a combination of a feature inherited from the subcontinental lithosphere and crustal contamination. Geochemical signatures of these rocks are distinctively different from those of arc-related volcanics. Comparisons with chemistries of modern magmas show a pattern of overlap between Within-plate and ocean-floor characteristics, and chemical signatures of these rocks favor a model of intrusion into a crustal environment undergoing lithospheric attenuation.
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