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Holmium:YAG laser를 이용한 요관경하쇄석술의 초기 경험 : 기존의 쇄석술과의 결과 비교
구경완,노용수,김홍섭,양상국,나공찬 건국대학교 의과학연구소 2003 건국의과학학술지 Vol.13 No.-
Purpose: Holmium:YAG lasertripsy for the 33 patients with lower ureteral calculi compared the outcome with other results using Lithoclast and ultrasonic lithotripsy. Materials and Methods: Thirty-three patients with symptomatic urinary calculi underwent Holmium:YAG lasertripsy from March 1999 to December 2000. Twelve patients were treated with Ultrasonic lithotripsy and twenty-one patients with Lithoclast lithotripsy from April 1997 to October 1999. All calculi of the above patients were located in their lower ureters. The size of ureter stones was ranged from 3.5 mm to 12 mm (mean 6.54 mm). Results: The age of the patients ranged was from 19 to 62 years (me~n 35.7 years). After a single ureteroscopic lasertripsy calculi were conlpletely cleared in 83 % of the cases for the patients with lower ureter calculi. The immediate complications of lasertripsy were gross hematuria, fever, and flank pain. However in the long term follow up (up to 3 months after the procedures) there were no further complications, such as, vesicoureteral reflux or ureteral stricture. In other two lithotripsies Lithoclast and Ultrasonic lithotripsy accomplished calculi were completely cleared in 71 % and 74 % of cases respectively. But Holmium:Y AG lasertripsy is cleared in 94 % effectiveness. Holmium:Y AG lasertripsy is more effective than two other methods compared by stratified analysis that unmasking from confounding factors such as impacted situation. Conclusions: Lasertripsy with Holmium:Y AG laser is considered effective and safe procedure for the lower urinary calculi lithotripsy (Ultrasonic, Lithoclast).
구교성,이용태 동의대학교 한의학연구소 2002 동의한의연구 Vol.6 No.-
In terms of Yin and Yang theory, Man is Yang but Woman is Yin, in terms of Fire and Water, Man is Fire but Woman is Water, in terms of Heaven and Earth theory, Man is Heaven but Woman is Earth, in terms of Ki and Hyul theory, Man is Ki but Woman is Hyul, in terms of Jung and Hyul theory, Man is Jung but Woman is Hyul, in terms of Give and Take theory, Man is Giver but Woman is Taker, in terms of Right and Left theory, Man is Left but Woman is Right in terms of Upper and Lower sides theory, Man is the Upper side but Woman is the Lower side, in the theory of the Physiological changes of age, Man changes at a multiple of 8 but Woman changes at a multiple of 7. Because of the clinical treatment, the difference between the Man and Woman in physiological or pathological state is very impotent, so in Hyunsang Medicine, doctors observe the changes of the genital organs that menstruation, leucorrhea, pregnancy, delivery, and the breast.
질내투여 인정장(人精漿)의 인정자(人精子) 및 면양적혈구에 대한 면역반응 억제작용
이헌구,김용탁,하대유 大韓免疫學會 1987 大韓免疫學會誌 Vol.9 No.1
A number of evidence has been accumulated to show that human seminal plasma (HSP) can suppress the immune responeses in vitro and in vivo. Several immunosuppressive factors have been identified from HSP and it has been proposed that these factors play a critical role in preventing sensitization of females to spermantigens after insemination. The purpose of the present study is to answer the q question whether HSI' is able to suppress in vivo immune responses induced by some antigens such as human sperms and sheep red blood cells(SRBC) which are introduced into the vagina of females. In this study the author used an experimental model in which mice were immunized intravaginally with human sperms and SRBC, and delayed-type hypersensitivity reacion (DTH) to these antigens was eva- luated by footpad swelling reaction. Repeated simultaneous intravaginal administrations of HSP with human sperms or SRBC significantly suppressed the DTH but failed to suppress the antibody formation to these antigens. However, intravaginal administration of a high molecular weigt fraction(G― 200 F, greater than 200 KD) which was partially purified by ammonium sulfate precipitation, DEAE- cellulose and Sephadex G -200 chromatography from HSP resulted in a significant suppression of DTH as well as antibody formation to SRBC. Furthermore, when various concentrations of G―200 F were ad-ministered intraperitoneally, a dose-dependent suppression of both DTH and antibody formation to SR BC was observed. These results provide the evidence that in vivo immunosuppressive activity of HSP is mediated by a high molecular weight fraction of greater than 200 KD and strongly support the concept that HSP can prevent sensitization of females to sperm antigens after insemination.
차동-구동 이동 로보트에 대한 Cross-Coupling 동작 제어기의 설계
정용욱,정구섭 진주여자전문대학 1997 論文集 Vol.20 No.-
We describes the design and implementation of Cross-Coupling controller for differential-derive mobile robot. Controller directly minimizes the siginificant error by coordinating the motion the drive wheels. Robot motion error classified into internal and external errors. Cross-Coupling control method is used to compensate for the internal errors that can be detected by wheel encoders. Simulation are conducted to evaluate the control system and the results show improvements over conventiona1 controllers.
金容九,張仁植 群山大學校 法學硏究所 1997 法學硏究 Vol.1 No.-
Korean capital markets have made remarkable progress, due to the government policy on promoting the capital makets. Nowadays, many enterprises are urgently requested to give their public benifits to the public, while they fulfill their pursuit of profits and manage the products of a nation as well. In capitalism, for the purpose of the protection of the consumers' earnings, the enterprises' disclosure systems must be encouraged to be legislatively opened to the public. In other words, the details for the disclosure, the enactment of a law for the protection of consumers, the compensation procedures, the foundation of the organization for the consumers, etc. are urgently needed. This thesis aims to give the maximum benifits to the investors and the persons involved by opening the information of tile enteprises to the public. The enterprises' disclosure systems, which is based on the political, economic, social, and legal situations of a nation, need the many-sided investiga -tions for the reasonablity. To effectively use the systems to open the enterprises' information, including the transaction-oriented information as well as the past information, the reasonable disclosure systems will have to be drawn up.
황금배 品種의 單一品種 果園을 위한 콩배 受粉樹 移用에 관한 硏究
沈慶久,河有美,李俊馥,崔勇洵 성균관대학교 생명과학자원연구소 1994 生命資源科學硏究 Vol.1 No.1
Fauriei pear(Pyrus fauriei Nakai) potentially useful as pollenizers in single-cultivar `Hwangkuembae' orchard was evaluated for their flowering times and pollen germination(%). Their efficiency in the setting of fruits following controlled pollinations on 'Hwangkuembae' at Fruit Tree Research Institute in Suwon was also examined. The obtained results are as followes ; (1) Flowering times of SKK 1 was from April 21 and that of them corresponded to that of 'Hwangkuembae'. (2) Pollen germination (%) of SKK 1 using as pollenizer of 'Hwangkuembae' was over 90%. Therefore Based on these factors, folwering times and pollen germination, SKK 1 was found to be promising as pollenizer for single-cultivar 'Hwangkuembae' orchard. (3) Percentage of fruit setting in 'Hwangkuembae' pollinated with Fauriei pear showed 71.9%. And there was no statistically significant difference in the fruit diameter(cm), fruit height(cm), fruit index, fruit weight (g), soluble solid(˚BX), acidity(pH), and fruit hardness (kg/㎠) of 'Hwangkuembae' pollinated with Fauriei pear (4) Percentages of fruit setting in 'Hwangkuembae' pollnated with Fauriei pear corresponding to flowering times of 'Hwangkuembae', was 871.9% and no statistically significant difference in fruit quality. On the bases of flowering times, pollen germination(%), efficient fruit set(%), and no statistically significant difference in fruit quality, Fauriei pear(Pyrus fauriei Nakai) is promising as pollenizers for single-cultivar 'Hwangkuembae' orchard.