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신생아의 두뇌 초음파검사상 뇌실주위 고반향음영에 관한 연구
최영칠,이태용,조영채,이동배 충남대학교 의과대학 지역사회의학연구소 1998 충남의대잡지 Vol.25 No.1
Neurosonography is an excellent modality for imaging a wide array of intracranial pathology of the infant and the newborn. Periventricular high echos were prominent for the premature infant, but there are some difficulties in differentiate normal periventricular high echo from periventricular leukomalacia. White matter indices on neurosonography of 152 healthy newborn babies were measured and analized, with their gestational age, method of delivery, birth weight, APGAR score(1 min and 5 min), diagnosis and labaratory data. The gestational age of babies at birth (p=0.0001) and the delivery with Caesarian section (p=0.0263) were related statistcally to high white matter index. The babies with metabolic disease had higher white matter index than other disease group or normal control group. On the basis of these results, We speculate that in addition to gestational age of infants, delivery method and their disease status may play an additional role in presenting ldgh periventricular echo on neurosonography. It is possible to predict the size of non pathologic periventricular high echo and to give more information for further study plan.
전방 십자인대의 파열시의 자기공명영상:직접소견의 중요성
신현준,이창희,최영칠,전혜정,박정희,김동헌 건국대학교 의과학연구소 2001 건국의과학학술지 Vol.11 No.-
It is Important to know the normal size, shape, and signal intensity of anterior cruciate ligament in the evaluation of knee injury Many studies have reported findings of tear or rupture as well as normal anatomy of these structure, especially with MR images. To our knowledge, there are few studies about normal structures of anterior cruciate ligament in MR images. The purpose of this study is to compare normal finding with tear of anterior cruciate ligament on MRI. Twenty-three cases with rupture of anterior cruciate ligament were evaluated on MRI, measuring the length, thickness, width of anterior cruciate ligament, and angles of anterior and posterior cruciate ligaments. Mean length, thickness, and width of anterior cruciate ligament in patients with rupture were 37.7±4.8mm, 9.0±1.2mm, 8.0±0.8mm, and mean angles of anterior cruciate ligament, and posterior cruciate ligament were 48.1±9.6˚, 118.8±13.1˚. Curvature ratio of posterior cruciate ligament was 0.25±0.09. The results showed significant differences between normal persons and patients with complete or partial rupture, and the mean angle and curvature ratio of posterior cruciate ligament which are known to related with indirect sign in tear of anterior cruciate ligament showed significant differences between ours and that of western countries. These results will be useful in the evaluation of patient wish rupture of anterior cruciate ligament, especially on MRI.
벼 담수산파 재배시 파종량·질소분시·물관리 방법의 차이가 생육 및 수량성에 미치는 영향
권영립,권석주,조승현,최동철 원광대학교 2005 論文集 Vol.35 No.-
This study was carried out to investigate in connection with seeding rate according to the fertilizer application method and water management in direct seeding on flooded paddy surface. The total nitrogen and chlorophyll contents was decreased as increasing amount of seeding. The total nitrogen and chlorophyll contents were high in the strong drainage methods than the custom water management. LAI and dry mater recording where the seeding amount will increase to the fertilizer application method it increases consequently were low tendency from the site which omits the omitted the top dressing at tillering stage. The number of panicles per square metre was increased according to amount of seeding, but the number of spikelets per panicle was decreased. When omitted the top dressing at tillering stage and increasing the amount of seeding, the rice yield was high and amount of seeding was 89 kg per hectare. The results indicate that increasing of seeding rate and omission of fertilizer application with strong drainage at tillering stage was to reduce field lodging degree, to economy of water culture and to save labor for fertilization.
권석주,송영은,권영립,이덕렬,조승현,최동철 원광대학교 2005 論文集 Vol.35 No.-
Increasing concern about a rice quality, it is considered postharvest technology as well as cultivation management as an important factor. Therefore it is necessary to find optimal drying, storage method that did not affected a rice quality. In order to find the optimum storage period of rice, the rice quality was investigated during storage period. The temperature and humidity of storage bin were greatly changed but those of rice were a little do. The germination rate was slowly decreased as the storage period is long. The content of moisture was affected by a room temperature, it was increased at stored rice in rainy season(10-Jul~20-Jul). As storage period is long, the content of amylose, fatty acidity were a just Little changed but did not showed a constant tendency to it. The content of protein was increased and mechanic palatability value was decreased during storage period. The chromaticity of milled rice showed a range of lightness(L); 75.15~71.75, redness(a); 0.21~0.91, yellowness(b); 16.78~19.28 during storage period.