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중소기업형 CIM시스템 구축을 위한 생산계획수립 및 실적파악 모듈
최후곤,신완선,장중순,서준성,여명구,안동근,김진봉 成均館大學校 科學技術硏究所 1996 論文集 Vol.47 No.2
This study Focuses on developing several modules involved in an integrated production information system for medium- or small-sized industries. The modules of order management, quality control, production scheduling, and shop management are executed for an example case industry. The potential values of this research includes that the major information modules to collect, analysis, and display production data and shop data for constructing the computer integrated manufacturing system(CIMS) are programmed with various features of medium- or small-sized industries
Shin, Myung-Geun,Levin, Barbara C.,Kim, Hyeoung-Joon,Kim, Hye-Ran,Lee, Il-Kwon,Cho, Duck,Jung Kee, Seung,Shin, Jong-Hee,Suh, Soon-Pal,Ryang, Dong-Wook WILEY-VCH Verlag 2006 Electrophoresis Vol.27 No.7
<P>The length heteroplasmies in the hypervariable (HV) regions of mitochondrial DNA (mtDNA) from blood cells were examined in 57 healthy Korean donors. Interestingly, all the healthy Korean subjects displayed length heteroplasmies in both the HV1 and HV2 regions. Closer examination of the HV2 length heteroplasmies indicated that most of these donors (84%) exhibited a minimal 303–315 homopolymeric C (poly-C) tract frameshift of 1 bp (mixture of one major and minor mtDNA type). Sixteen percent of the donors however had poly-C tract frameshifts of 2 bp or more. The donor group with major length variants (two or more frameshifts) had about a two-fold decrease in mtDNA copy number compared with the group exhibiting only a 1 bp frameshift. This result supports the possibility that a severe frameshift in the 303–315 poly-C tract may also cause the impairment of mtDNA replication in hematopoietic tissue.</P>
Shin Ju Hyeon,Kim Soo Hyun,Lee Dain,Lee Seung Yeob,Chun Sejong,Lee Jun Hyung,Won Eun Jeong,Choi Hyun Jung,Choi Hyun Woo,Kee Seung Jung,Shin Myung Geun,Shin Jong Hee 대한진단검사의학회 2021 Annals of Laboratory Medicine Vol.41 No.2
The correct identification of filamentous fungi is challenging. We evaluated the performance of the VITEK MS v3.0 system (bioMérieux, Marcy-l’Étoile, France) for the identification of a wide spectrum of clinically relevant filamentous fungi using a Korean collection. Strains that were added to the upgraded v3.2 database were additionally identified by the VITEK MS v3.2 system. Of the 105 tested isolates, including 37 Aspergillus (nine species), 41 dermatophytes (seven species), and 27 other molds (17 species), 43 (41.0%) showed “no identification” or “multiple species identification” results at the initial VITEK MS testing; these isolates were retested using the same method. Compared with sequence-based identification, the correct identification rate using VITEK MS for Aspergillus, dermatophytes, other molds, and total mold isolates was 67.6%, 56.1%, 48.1%, and 58.1% at the initial testing and 94.6%, 78.0%, 55.6%, and 78.1% with retesting, respectively. Following retesting, 19 (18.1%) and two (1.9%) isolates showed “no identification” and “misidentification” results, respectively. VITEK MS reliably identified various filamentous fungi recovered in Korea, with a very low rate of misidentification.
( Myung Ja Lee ),( Zhen Ling Zang ),( Eui Yul Choi ),( Hyun Kyung Shin ),( Geun Eog Ji ) 한국미생물 · 생명공학회 2002 Journal of microbiology and biotechnology Vol.12 No.3
Bifidobacteria have been previously shown to stimulate the immune functions and cytokine production in macrophages and T-lymphocytes. Accordingly, the RAW 264.7 murine macrophage cell line was used to assess the effects of Bifidobacterium on the proliferation and cytoskeleton reorganization of the cells. Cytokine production after exposure to Bifidobacterium was also monitored in both whole cells and cell-free extracts. When RAW 264.7 cells were cultured for 24 h in the presence of heat-killed Bifidobacterium bifidum BGN4, the proliferation of macrophages was slowed down in a dose-dependent manner and cell differentiation was observed by staining with the actin-specific fluorescent dye, rhodamin-conjugated phalloidin. Although EL-4 cells, a T-cell line, stimulated RAW 264.7 cells to produce TNF-α and IL-6, the stimulatory activity of B. bifidum BGN4 decreased as the EL-4 cell mumber increased. When disrupted and fractionated BGN4 was used, the whole cell fraction was more effective than the other fractions for the TNF-α production. In contrast, the cell-free extract exhibited the highest IL-6 production level among the fractions, which was evident even at a 1 μg/ml concentration. The current results demonstrate that Bifidobacterium induced differentiation of the macrophages from the fast proliferative stage and that the cytokine production was differentially induced by the whole cells and cell-free extracts. The in vitro approaches employed herein are expected to be useful in further characterization of the effects of bifidobacteria with regards to gastrointestinal and systemic immunity.
Shin, Hyun-Sang,Lee, Myung-Ho,Park, Geun-Sik,Lee, Chang-Woo Korean Nuclear Society 1999 Nuclear Engineering and Technology Vol.31 No.5
This work describes the adaptation of extractive scintillation by URAE $X^{TM}$ with a photon-electron rejecting alpha liquid scintillation (PERAL $S^{)}$ spectrometer to the analysis of uranium in aqueous samples. The extraction efficiency of the system was evaluated under varing chemical conditions including pH, and sample-cocktail volume ratio. Isotopic information from the (PERAL $S^{)}$ spectrum of natural uranium was obtained using a curve fitting routine. Comparisons of the result with that obtained from alpha spectrometry method using ion implanted silicon detector showed good agreement.t.