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시스템 다이내믹스를 이용한 간호단위별 간호인력 산정에 관한 연구
김문실,성영희,권경자,김도형,김정아,신덕신,유인자,유재국,이현숙 병원간호사회 2006 임상간호연구 Vol.11 No.2
Purpose: The purpose of the study was to forecast manpower by building the nursing manpower-staffing model(surgical-medical nursing unite). Method: The system dynamics approach was adapted to build a simulation model for calculating medical-surgical nursing manpower-staffing. The model was built up on Venism 5.0b DSS. Result: The results in the basic circumstance are in following. The level of nursing service quality, patientsatisfaction, and nurse job satisfaction maintains higher at medical-surgical nursing unit of the tertiary hospitals with the ratio of bed to nurse 2.5:1-3.0:1 than at any other situations. The level of nursing service quality, patient satisfaction, and nurse job satisfaction maintains higher at madical nursing unit of the secontary hospotals with the ratio of bed to nurse 3.0:1 and at surgical nursing unit of the secondary hospitals with the ratio of bed to nurse 3.0:1-3.5:1 than at any other situations in the fundamental from. The results in the simulation circumstance are in following, As author raises the operating rate of bed into 95-100%, and cut skilled nursing staff down, the level of nursing-service quality, patient satisfaction, and nurse job satisfaction drops slightly. Conclusion: In terms of economic efficiency on tertiary hospotals, the ratio of bed to nurse for the best reasonable medical-surgical nursing manpower-staffing is 3.0:1. In terms of economic efficiency on secondary hospitals, the ratio of bed to nurse for the best reasonable medical nursing manpower-staffing is 3.0:1 and surgical nursing manpower-staffing is 3.5:1
Peak-to-average power control for multiple-antenna HIPERLAN/2 and IEEE802.11a systems
Moon, Joo-Hee,You, Young-Hwan,Jeon, Won-Gi,Kwon, Ki-Won,Song, Hyoung-Kyu IEEE 2003 IEEE TRANSACTIONS ON CONSUMER ELECTRONICS - Vol.49 No.4
A combination of multi-input multi-output (MIMO) signal processing with orthogonal frequency division multiplexing (OFDM) is regarded as a promising solution for enhancing the performance of next generation wireless local area network (WLAN) systems. This paper evaluates the peak-to-average power ratio (PAR) performance in a MIMO OFDM-based WLAN system using a space-time block code (STBC). The investigated PAR control schemes, which are originally based on the selective mapping (SLM) and partial transmit sequence (PTS) approaches, select the transmitted sequence with the lowest average PAR over all transmit antennas and retrieve the side information (SI) very accurately at the expense of a slight degradation of the PAR performance. The low probability of false SI can improve the overall detection performance of the MIMO-WLAN system encountered with erroneous SI compared to the ordinary SLM and PTS approaches, respectively.
Moon, Eun-Yi,Lee, Mi-Ran,Wang, Ai-Guo,Lee, Jun-Hee,Kim, Hyoung-Chin,Kim, Hwan-Mook,Kim, Jin-Man,Kwon, Byoung-Mog,Yu, Dae-Yeul Elsevier 2006 european journal of pharmacology Vol.530 No.3
<P><B>Abstract</B></P><P>Cinnamaldehyde from the bark of <I>Cinnamomum cassia</I> has been reported to have antitumor activity mediated by the inhibition of farnesyl transferase. We assessed in vivo the chemo-preventive effect of cinnamaldehydes on H-<I>ras</I>12V-induced hepatocellular carcinoma formation. A mouse model of hepatocellular carcinoma was established by using the transgene of mutated H-<I>ras</I>12V under the regulation of albumin enhancer/promoter. When treated with cinnamaldehyde for 10 weeks, hepatic tumor development was delayed with 2′-benzoyloxycinnamaldehyde (BCA) compared with control hepatocellular carcinoma formation. The effect of 2′-hydroxycinnamaldehyde (HCA) was comparable. The number of lesions and the size of each lesion were significantly reduced by BCA. Cell proliferation in the lesion was detected by incorporation of 5-bromo-2′-deoxyuridine (BrdU). BCA increased the number of splenocytes, concanavalin A-stimulated splenocyte proliferation and the infiltration of lymphocytes into liver. Data suggest that the delayed hepatic tumor development observed with BCA could be mediated by a long-term immunostimulating effect on T cells.</P>
Kwon, Jae-Taek,Eom, Seung-Hun,Moon, Byung-Seuk,Shin, Jin-Koog,Kim, Kyu-Sik,Lee, Soo-Hyoung,Lee, Youn-Sik Korean Chemical Society 2012 Bulletin of the Korean Chemical Society Vol.33 No.2
Three solvent systems, chlorobenzene (ink 1), chlorobenzene/o-dichlorobenzene (ink 2) and chlorobenzene/tetrahydronaphthalene (ink 3), were compared as printable inks for the fabrication of polymer light-emitting diodes (PLEDs) using poly[2-methoxy-5-(2-ethylhexyl-oxyl)-1,4-phenylenevinylene (MEH-PPV) as an emissive material and an inkjet printer (Fujifilm Dimatix DMP-2831). Ink 1 clogged the printer's nozzle and gave non-uniform film. Inks 2 and 3 were used to fabricate PLEDs with ITO/PEDOT:PSS/MEH-PPV/LiF/Al configurations. The best performance (turn-on voltage, 3.5 V; luminance efficiency, 0.17 cd/A; luminance, 1,800 cd/m) was obtained when ink 3 was used to form the emissive layer (thickness, 49 nm), attributable to the better morphology and suitable thickness of the MEH-PPV layer.
Complete Genome Analysis of Porcine Enterovirus B Isolated in Korea
Moon, Hyoung-Joon,Song, DaeSub,Seon, Bo Hyeon,Kim, Hye-Kwon,Park, Seong-Jun,An, Dong-Jun,Kim, Jong-Man,Kang, Bo-Kyu,Park, Bong-Kyun American Society for Microbiology 2012 Journal of virology Vol.86 No.18
<P>The complete genome sequence of porcine enterovirus B (PEV-B) from a Korean isolate was analyzed. The genome size was 7,393 bp. Previously, full genome sequences of PEV-B had been reported from the United Kingdom, Hungary, and China. The Korean PEV-B isolate presented polyprotein gene nucleotide sequence similarities of 77.9, 73.7, 78.9, and 80.3%, respectively, to PEV-B UKG/410/73, LP54, PEV15, and Chinese strains (Ch-ah-f1).</P>
차형기(Hyoung Gi Cha),문두찬(Doo Chan Moon),권경술(Kyung Sool Kwon),정태안(Tae Ahn Chung) 대한피부과학회 1993 大韓皮膚科學會誌 Vol.31 No.4
Background : Previous studies have suggested that pityrosporurr yeasts, normal resident flora of skin, may be important in the pathogenesis of dandruff seborrheic dermatitis and confluent and reticulated papillomatosis. Objective : We investigated the incidence and distribution of pityiosorum yeasts on clinically normal skin as a more reasonable method for providing the basic data or proving the relationship of pityrosporum and pathogenesi, of the diseases. Methods : A total of 350 subjects were studied. Skin scrapings were stained with 20% Parker ink-KOH(P-KOH) solution. The numbers of pityrosporum spores and hyphe per high power field( x 400) were counted and designated according to a new grading method using bacterial index(BI) of lepra bacilli. Results : The incidence rates of pityrosporum orbiculare(p. orbiculare) and pityrosporum ovale(p. ovale) were 60-70% and 20-50% of subjects respectively on seborrheic area., The incidence of p. orbicilare was highter than that of p. ovale on all examined sites except for the iterior scalp. And pityrosporal hyphae was present on anteriand posterior scalp and earwax in 24-25% of subjects respectively. The incidence of pityrosporum was higher in summer than other seasons The incidence rate of p. orbiculare and hyphae in the group aged below 9 (except neonates) and above 60, were lower than that of other age groups. The inciderice rates and distribution of grades of pityrosporum of neonates were lower than those of older subjects. Conclusion : The results of this study showed that the incidence and distribution of pityrosporum spores were similar to previoureports and hyphal forms were found 25% approximately on clinically normal skin of the scalp and carwax. The significance of the presenet of pityosporal hyphae and the relationship between normal skin and pityrosporal hyphae are to be firther elucidated. (Kor J Dermatol 1993;31(4):548-558)