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수지근에서 Neural Communication 의 전기생리학적 연구
이상암,김광국,이명종 울산대학교 의과대학 1993 울산의대학술지 Vol.2 No.2
It is well known that variations of the innervation in intrinsic hand muscles are common, A detailed anatomic study revealed that Riche -Cannieu anastomosis, a neutral anastomosis between the recurrent branch of the median nerve and the deep branch of the ulnar nerve, was in 77% of cadaveric dissections. Few electrophysiologic study of such anastomosis, however, has been done in a large population. The first group studied consisted of 88 limbs of 44 unselected subjects without Martin-Gruber anastomosis(MGA). The compound muscle action potentials(CMAP) were recorded by surface electrodes placed over the abductor pollicis brevis(APB), first dorsal interosseous(FDI), and abductor digiti quinti(ADQ) muscles with the stimulation at the wrist. The innervation of FDI by the median nerve was detected in 81(92.1%) of 88 limbs, and the innervation of APB by the ulnar nerve in 77(87.5% ). In no case, innervation of ADQ by the median nerve was found. The mean median nerve innervation ratio(MNIR) of FDI was 8.8%, and mean ulnar nerve innervation ratio(UNIR) of APB 23.5%. The second group, 37 MGA -detected limbs of 27 subjects, was also studied in order to evaluate the contribution of MGA to the innervation in intrinsic hand muscles. There was no significant difference in the incidence of anomalous innervation of each muscle in both groups.
대퇴근막 및 두개골 골막과 늑골 이식을 이용한 성장성 두개골 골절의 치험 1례
이명종,정우창,김동현,조을제,장석주,황용순 고신대학교 의학부 1996 高神大學校 醫學部 論文集 Vol.11 No.1-2
Most skull fracture occurred in infancy and childhood heal without difficulty. But, rarely, a fracture may enlarge progressively with pulsating mass in these age group. These were reported since the early 1800's, but, their exact anatomy, pathology, and natural history were controversial. The term "Growing skull fracture" was used by Pia and To¨nnis in 1953. Clinically, they have the history of head trauma and skull fracture and show pulsating soft mass with underlying bony defect. Clinical course is benign, mostly. Early and aggressive operation is strongly recommended in young children. We experienced the treatment of the growing skull fracture of left parietal bone. Here, the clinical findings and management of the growing skull fracture are discussed, and a review of the relevant literature is presented.
이명종,Li, Ching-Yan,Jr, Kermit Cromack 강원대학교 삼림과학연구소 2000 Journal of Forest Science Vol.16 No.-
많은 산림의 임상에는 특유의 분해과정에 있는 목질의 도복고사목이 존재하며, 이는 식물, 동물의 서식처가 되고 미생물의 다양성을 제공한다. 분해급 III-V의 Douglus-fir의 목질부 시료를 넣은 리치튜브에 물오리나무(Alus hirsuta)와 루브라오리나무(A. rubra)를 파종하고 온실에서 재배 실험한 결과, 두 수종 모두 근류가 형성되어 분해중인 도복고사목에 감염성 Frankia가 존재함을 시사하였다. 압열멸균한 시료에선 생육이 매우 불량하였고 근류가 형성되지 않았다. 도복고사목 내의 Frankia의 존재로 목질 유기물이 공생 질소고정 균의 근원이 됨을 알 수 있었다. 이러한 결과는 산림생태계 내의 목질 유기물이 산림이 장기 생산력에 기여하는 系의 구조적 다양성과 생물적 다양성을 창조하고 유지시킨다는 것을 시사한다. Fallen and decomposing woody debris are conspicuous features of the forest floor in many natural forests. They provide habitats for plants, animals, and a diversity of microorganism. Seeds of Alus hirsuta and Alus rubra were sown in leach tubes containing Douglas-fir woody debris of decay class III-V. In greenhouse studies, wood samples induced effective nodule formation in Alus hirsuta and A. rubra, indicating that the fallen trees contained infections and effective Frankia. Alder on sterilized wood substrates grew poorly and did not nodulate. The preserve of infective Frankia in dead, fallen trees suggests that woody debris is a source of symbiotic nitrogen-fixing organism. The results suggest that coarse woody debris create and maintain structural and biological diversity that contributes to forest long-term productivity. Key words : woody debris, Alus hirsute, A. rubra, Frankia, biological diversity long-term productivity
李明鍾 건국대학교 1985 學術誌 Vol.29 No.2
Redundancies in computing the DFT are analyzed and a modified algorithm to reduce these redundancies are proposed. An amended FFT FORTRAN program adopting The proposed algorithm showed that the time necessary for DFT computation is decreased.
韓相燮,許南鎭,朴完根,李明鐘 江原大學校 森林科學硏究所 1999 Journal of Forest Science Vol.15 No.-
이 연구는 우리나라 주요 산채 수종인 두릅나무에 대하여 기건 보관한 종자와 냉장 보관(4℃)한 종자의 발아율 특성을 여러 광 조건(상대조도 0%, 30%, 50%, 70%, 100%)하에서 비교하였다. 조사 결과 모든 처리구에서 발아율이 70% 이상으로 나타났으며, 상대조도 0%에서 기건보관한 종자가 88%, 냉장보관한 종자가 82%로 가장 높은 발아율을 나타냈다. 그러나 발아된 종자 중 유근의 생존율은 각각 16%와 21%로 낮은 반면, 상대조도 100%의 처리구에서는 기건보관종자가 90%, 냉장보관한 종자가 99%로 높은 생존율을 보였다. This study was carried out in various light treatments(relative light intensity 0%, 30%, 50% , 70% and 100%) to compare the characteristics of germination of Aralia elata seeds that were kept under room air temperature and refrigerator storage (4℃) . The germination percentage was equal to or more than 70% in all light treatments. The maximum germination percentage of seeds stored in room air temperature and refrigerator were 88% and 82% at the dark condition, respectively. The survival rates of radicle of the germinated seeds were 16% and 21% at the dark condition but were 90% and 99% at the 100% light condition.