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김명철,장석진,이교영,김남중,변홍섭,박명호 충남대학교 수의과대학 동물의과학연구소 1995 動物醫科學硏究誌 Vol.3 No.-
Three dogs which show clinical signs of cystic calculi with anorexia, hematuria, stranguria, dribbling of urine, and pain in posterior abdomen, were referred, and diagnosed as cystic calculi by radiography and ultrasonography. Removal of urinary cystic calculi was performed by urinary cystotomy. Calculi, removed surgically, were analyzed chemically and microscolically. Calculi from three patient dogs were calcium carbonate in all. After the removal of calculi recurrence of urolith were not observed up to nowadays for about 4-10 months.
동절기 근권부 온도가 비모란 생장 및 품질에 미치는 영향
정명일,정봉남,김재영 한국화훼연구회 2002 화훼연구 Vol.10 No.1
접목선인장의 동계재배를 위하여 근권의 온도를 15, 20, 25, 30, 35℃로 조절한 처리구와 조절하지 않은 대조구를 두어 비모란 Sun, Pink품종을 재배하였다. 처리 6개월 후 구경, 생체중, 건물중에 있어서 Sun품종은 25℃, Pink품종은 20℃에서 가장 좋았다. 특히 비모란의 구경과 구중은 15℃ 처리와 온도처리를 하지 않은 대조구에서 낮은 경향을 보여 근권부 저온이 생육에 저해요인으로 작용하는 것으로 보였다. 대목으로 이용한 삼각주의 뿌리 생육은 25℃ 처리에서 생체중과 건물중이 높았고 15℃에서는 아주 불량하였으며, 뿌리의 활력은 20℃에서 높았다. 구색에 있어서는 Sun품종은 유의성이 인정되지 않았으며 Pink품종은 온도가 높을수록 황색화 되었다. 적색의 betacyanins 색소 함량은 온도가 높아질수록 증가하는 경향을 보였다. 상품의 생산율은 Sun품종은 25℃, Pink 품종은 20℃에서 높았으며 그 이상과 이하에서는 낮았다. 이상의 결과로 볼 때 정식초기에는 25℃로 관리하여 발근을 촉진시킨 후 출하기까지 20℃로 관리하면 생육을 촉진시킬 수 있으며 겨울철에도 정상적인 생산이 가능할 것으로 판단된다. Abstract. In order to observe the possibility of winter season production of G. mihanovichii cvs., Sun and Pink were cultivated under temperatures of 15, 20, 25, 30 and 35℃, and under conventional cultivation method for comparison. Increasement of the diameter, fresh and dry weight of globes was best at 25℃ in cv. Sun, and at 20℃ in cv. Pink. Especially, globe diameter and fresh weight were bad at 15℃ and in conventional cultivation method. From the results it was determined that low temperature around root-zone greatly affect the growth of globes. Root fresh and dry weight of Heoylocereus trigonus used for stock plants showed good at 25℃ and bad at 15℃, but its activity was highest at 20℃. Color did not show any statistical significance in various temperature, but 'Pink' showed tendency of turning yellow by increasing the temperature. Quality and productivity was good at 20℃ and 25℃, and was bad at below those temperature. From the results it was concluded that if G. mihanovichii were cultivated for rooting at 25℃ in early planting period and were maintained to activating growth at 20℃ until marketing time, regular production of G. mihanovichii in winter season would be possible.
최명수,박형준,박남철,김경호,이성로 목포대학교 정보산업연구소 2000 情報産業硏究誌 Vol.8 No.-
In this paper, we first define 4th-generation multimedia systems that play an important role in 21C information society. Nest, we investigate and analyze the international trend of the related research and then predict the evolutionary model for 155Mbps wireless mobile multimedia systems.
박남철,이철형,최명수,김경호,이성로 木浦大學校 應用科學硏究院 2001 應用科學硏究誌 Vol.1 No.-
We can improve encryption speed at the home networking which transmit high density information. In this paper, We applicate DES encryption algorithm in the proposed encryption chip which dose operation that encrypts with block of 64 bits. And we improved key problems about transmitting external key by the conditional contact algorithm which solves the problem about periodical refresh in the symmetric algorithm with public key structure.
최명수,박남철,박형준,김경호,이성로 목포대학교 정보산업연구소 2000 情報産業硏究誌 Vol.8 No.-
The use of the Internet is much increased and the multimedia data such as voice and image should be processed in the Internet. The required characteristics of the communication networks for the 21-st century Internet are the fusion between communications and broadcasting, high speed, large capacity, high intelligence, and personalization. In realizing the characteristics mentioned above, the ATM is the only technique that can practically guarantee QoS and is the core technique in super high-speed service networks. In this paper, we will investigate the international study of the high-speed the satellite communication and then research plans for developing and providing optimum application services.
박남철,최명수,박형준,김경호,이성로 목포대학교 정보산업연구소 2000 情報産業硏究誌 Vol.8 No.-
The Location-Informing service is based on the GPS data from the satellite. Until now, the service has been free. However, it may become charged. Therefore, we research the methods that can find the location-information using the antennas in future mobile communication systems and investigate the signal arrival direction estimation methods with considering practical environments.
X선 촬영인자의 변화에 따른 영상의 주관적인 화질 평가
권덕문,박명환,김성환,박종삼,이준일,남효덕 대구보건대학 2001 대구보건대학 論文集 Vol.21 No.-
In this study, visual recognition of X-ray images were estimated using hawlet charts. The resolution has achieved excellent result when densities of film were 1.0~1.5. The more thickness of object was increase, the more the resolution was decrease, because scattered X-ray were increased. The more distance of object to film was increase, the more the resolution was decrease, because groedel effect. The more focal spot size was increase, the more resolution was decrease, because unsharpness was increase. The more field size was increase and grid ratio was decrease, the more resolution was decrease, because scattered X-ray were increase. As a result, we could to improve image quality by determination of resolution according to Radiography parameters. And, we proved that hawlet charts were useful for estimate of image quality and set up x-ray radiography.