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S.M. Pawar,A.V. Moholkar,I.K. Kim,신승욱,J.H. Moon,J.I. Rhee,김진혁 한국물리학회 2010 Current Applied Physics Vol.10 No.2
The polycrystalline Cu2ZnSnS4 (CZTS) thin films have been prepared by pulsed laser deposition (PLD)method at room temperature. The laser incident energy was varied from 1.0 at the interval of 0.5–3.0 J/㎠. The effect of laser incident energy on the structural, morphological and optical properties of CZTS thin films was studied by means of X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and optical absorption. The studies reveal that an improvement in the structural, morphological and optical properties of CZTS thin films with increasing laser incident energy up to 2.5 J/㎠. However, when the laser incident energy was further increased to 3.0 J/㎠, leads to degrade the structural,morphological and optical properties of the CZTS thin films.
항균제 내성 대장균의 생태적 분포 Ⅲ. : Rifampicin, nalidixic acid, oxolinic acid와 sulfa 제제에 관하여
이광호,차창룡,국윤호,최명식,김익상,장우현,이승훈,신정식 대한화학요법학회 1983 대한화학요법학회지 Vol.1 No.1
We studied the differences in the MIC distribution of E. coli isolates, from a doctorless remote arwqwang Won. Do province+WD), a leprosarium (So Rock Do=SRD) and Seoul National University Gospital (SNUH> against rifampicin. nalidixic acid, oxolinic acid &a sulfa drags including co-trinoxawle. . So the widespread and prolonged- use of antimicrobial agents is presumed to facilitate the increase of drng-resistapt strains among the normal flora of the residents in a comunity that .the isolates from SNUH- were further divided into two groups, SNUH in-patient (IP) and SNUH out-patient(OP) and the isolates f p m SRD into DDS (isolates. from.leprosy patients.who are taking DDS only) and R f (isolates from leprosy patients who are taking rifampicin-.and DQS) grougs. Nnmber of, E. coli isolates studied were 93 st;ains from SNUH patients (SNUH-IP, 46; SNUF-OP, 43, 150 strains from SRD patients (SRD-DDS, 102; SRD-Rf,' 48) and 119 strains from 'KWD residents. DisLribntion of E. mli- strains a.mording to thir respective MTC's shows that E. coli possesses not only an intrinsic component in resistance (or susceptibility) to the drugs (rif-ampicin, 2-32 pg/ml; nafii%Xic a,cid, 1-16 pg/d; oxolinic acid, * 0.13-2 pg/ml; DDS, 32-1024 pg/ml; sulfadiazine, 2-256 pg/d, sulfamera&& 4-256 pg/ml; sulfadimethoxine, .16~1024 pg/ml; sdfamonornethoxine, ~-12~,pg&d; sulfamethoxazde, 2-128 pg/m&. trimetk0p-Irim, 0.06-2 pg/fnl; co-trimoxwole, 0,. 25-4 pg/ml) but also distinct MIC values of acquired resistance quite different from the intrinsic ones. The .carriage rate of rifampicin resistant strains in the SRD-Rf patients was the higheest among the study:groups while t m e , of SNUH patients and of the KWD residents were equally negligible, as expectediy. Drug-resistant E. coli strains against nalidixic acid and oxolinic acid were uncommon i n the SNUH, SRD and KWD isolates. However, resistance to sulfa drugs were prevalent in the SNUH, SRD and KWD isolates in the decreasing order. Taken together, these results strongly suggest that drug resistznce in Korea is a localized problem in some community under a high selection pressure of antimicrobial agents rather than a nation-wide one. Trimethoprim resistance gave rise to the high-level resistance 'to co-trimoxazde while the sulfamethoxazole resistance t o the low level resistance against the co-trimoxazole.
이장로,이용호,신용돌,노태환,강일구 숙명여자대학교 자연과학연구소 1993 자연과학논문집 Vol.- No.4
단일박대형의 연자성 시료의 2 kHz까지의 자심손실을 간편하게 측정하는 장치를 제작하였다. 손실을 측정하는 전력계는 애너로그 곱셈기를 사용하였으며, 시료를 포함하는 NFB 회로에 의하여 자속정현파의 조건을 성립시켰다. 수종의 metglas 시료에 대하여 측정한 결과는 적정한 자장 중 열처리 및 자속정현파의 양 조건하에서 공표치와 좋은 일치를 보였다. A core loss measurement system for single strip soft magnetic materials with frequency range of 2 kHz was built. The analog multiplier by monolithic operational amplifier was used for power loss measurement of samples. The sine flux condition was realized with negative feed back loop including the sample. The measurements were done for several metglas samples and the results showed good agreement with published data under the conditions of sine flux and appropriate annealing.
李正吉,宋豊鎬,金仁洪,鄭相燮,李哲雨 中央醫學社 1972 中央醫學 Vol.22 No.3
We have reported a rare case of occult intrasacral meningocele in a 54-year-old male with complaints of low back pain, radiating leg pain and urinary retention. Plain X-ray films of the sacrum revealed a shadow of dilatation of the sacral canal and the pantopaque myelogram showed communication between the spinal subarachnoid cul-de-sac and a large cavity within the sacrum. This intercommunication was interrupted by packing with a piece of muscle to eliminate further pressure effect on the cavity.. The symptoms have been completely relieved by surgery.
李正吉,宋豊鎬,金仁洪,정상섭,李哲雨 慶北大學校 醫科大學 1972 慶北醫大誌 Vol.13 No.1
A rare case of dermoid tumor of the thoracic spinal cord is reported and related literatures reviewed. Total surgical excision was performed and a good long-term relief of all neurological deficits obtained.
정신박약아 부모와 지체부자유아 부모의 양육태도에 대한 비교연구
이상춘,최영하,원명욱,전재일,박옥수,이재호 韓國社會社業大學特殊敎育硏究所 1972 特殊敎育硏究 Vol.3 No.-
본연구에서는 대구 보명학교 아동의 부모 100명(정박군)과 대구보건학교 부모 62명(지체부자유군)의 아동에 대한 부모의 태도를 검사하여 CR 검증을 하였고 다이아그래프로 도시하여 고찰하였다. 본연구에서 나타난 결과를 요약하면 다음과 같다. A. 정박군, 지체구자유군의 양육태도의 차이는 소극적 거부형, 익애형, 맹종향, 불일치형의 4개 유형에서 001의 수준으로 매우 의의있는 차이가 나타나며 적극적거부형은 01수준에서 퍽 의의있는 차이로 나타나고 있어 이 5개의 유형 모두가 정박군이 더 위험 수준에 있다. B) 지체부자유에 대한 부와 모의 태도에는 의의있는 차이가 없고 부모공히 위험영역에 있다.
변인수,정혁인,조수호,이정길,김인홍 대한신경외과학회 1977 Journal of Korean neurosurgical society Vol.6 No.1
Cysticerocosis in the nervous system is well known and has been reported by several authors worldwide. An intramedullary thoracic cysticercosis case recorded here is extremely rare. It was characterized by urinary retention, abdominal distension, paraplegia with anesthesia below T4-dermatome for 4 years in a 49-year-old male farmer. We have surgically removed the intramedullary cyst. Two other our cases of ventricular cysticercosis are also added to our previous reports.