• Proceedings of the IEEK Conference
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• 2000.11b
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• pp.5-8
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• 2000

This paper shows the high performance as a photodetector of InGaP/GaAs HPT with 3-terminal caused by its inherent good electrical properties compared with AIGaAs/GaAs HPT. InGaP/GaAs HPT produced the high optical gain of about 61 where HPT is biased at Vc=3V, Iв=2${\mu}\textrm{A}$ with an input optical power of 1.23㎼. This is 2.5 times higher than that of AIGaAs/GaAs HPT. And we examined that the optical gain of HPTs becomes larger when operating in 3-terminal configuration rather than 2-terminal with the floating base. for a given base current of 2${\mu}\textrm{A}$, the optical gain is enhanced about 18% in the InGaP/GaAs HPT and about 27% in the AIGaAs/GaAs HPT over that of the 2-terminal device.

• BMB Reports
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• v.46 no.1
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• pp.53-58
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• 2013

We constructed deletion mutants and seven point mutants by polymerase chain reaction to investigate the specificity of feline foamy virus integrase functional domains. Complementation reactions were performed for three enzymatic activities such as 3'-end processing, strand transfer, and disintegration. The complementation reactions with deletion mutants showed several activities for 3'-end processing and strand transfer. The conserved central domain and the combination of the N-terminal or C-terminal domains increased disintegration activity significantly. In the complementation reactions between deletion and point mutants, the combination between D107V and deletion mutants revealed 3'-end processing activities, but the combination with others did not have any activity, including strand transfer activities. Disintegration activity increased evenly, except the combination with glutamic acid 200. These results suggest that an intact central domain mediates enzymatic activities but fails to show these activities in the absence of the N-terminal or C-terminal domains.

• Journal of Hospice and Palliative Care
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• v.24 no.4
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• pp.254-260
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• 2021

Continuous deep sedation (CDS) is an extreme form of palliative sedation to relieve refractory symptoms at the end of life. In this study, we shared our experiences with CDS and examined the clinical characteristics associated with survival in patients with terminal cancer who received CDS. We conducted a chart audit of 106 consecutive patients with terminal cancer who received CDS at a single hospice care unit between January 2014 and December 2016. Survival was defined as the first day of admission to the date of death. The associations between clinical characteristics and survival were presented as hazard ratios and 95% confidence intervals using a Cox proportional hazard model. The mean age of participants was 65.2 years, and 33.0% (n=35) were women. Diazepam was the most commonly administered drug, and haloperidol or lorazepam were also used if needed. One sedative was enough for a majority of the patients. Stepwise multivariate analysis identified poor functioning, a high Palliative Prognostic Index score, hyperbilirubinemia, high serum ferritin levels, and a low number of sedatives as independent poor prognostic factors. Our experiences and findings are expected to be helpful for shared decision-making and further research on palliative sedation.

• Journal of Biosystems Engineering
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• v.31 no.5 s.118
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• pp.416-422
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• 2006

Drying characteristics of green onion and onion during fluidized and fixed bed drying were investigated and compared. Sliced peen onion and onion were dried at drying air temperature of 45, 55, and $65^{\circ}C$. Drying air velocity during fluidized bed drying was adjusted with drying time at each drying temperature. Drying time to reach a given final moisture content was shorten in fluidized bed drying than in fixed bed drying - for drying temperature of 45, 55, and $65^{\circ}C$, the differences were 60, 60, and 50 min for green onion and 360, 180, and 60 min for onion. Drying constant (K) was greatly affected by drying method and drying temperature. Terminal velocity under fluidized bed drying was decreased exponentially for green onion and linearly (or onion with increase of drying temperature. Also, terminal velocity had linear relationship with moisture content for both green onion and onion.

• Asian Oncology Nursing
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• v.1 no.1
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• pp.65-74
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• 2001

This study was to investigate the degree of the nurses' burden and the attitude on the terminal cancer patients, as well as the relationship between two variables using questionnaire. The non-randomized convenient samples were 252 nurses with the experiences in caring the terminal cancer patients more than 1year in 5 university hospitals in Seoul and Inchon city. The cross-sectional one time survey was conduced by using the modified questionnaires on the burden and the attitude on the terminal cancer patients at October, 2000. n SPSS for Window, the demographic information and the degree of the burden and the attitude of subjects were analyzed with descriptive statistics. Pearson correlation coefficiency was used to investigate the relationship between the degree of the burden and the attitude from subjects. The additional analysis were performed to examine the differences the degree of the burden and the attitude by the general characteristics of the nurses using t-test and ANOVA. The result was as follow: 1) The degree of the nurses' burden on the terminal cancer patients was the mean of 2.91 ranged from 2.08 to 3.96. 2) The degree of the nurses' attitude on the terminal cancer patients was the mean of 3.52 ranged from 1.83 to 4.68. 3) There was no significant relationship between the degree of the burden and the attitude on the terminal cancer patients(r=.08, p=.23). However, the burden and. the nursing environment among 4 aspects of the attitude showed a significantly positive relationship each other (r=.16, p=.01). 4) The degree of the nurses' burden was different by the nursing specialties (F=2.79, p=.03) and the professional perspectives on nursing(F=3.52, p=.02). 5) The degree of the nurses' attitude was different by the age(F=5.33, p=.01), the married status(t=3.93, p=.05), nursing specialties (F=7.42, p=.00), the amount clinical experience(F=2.85, p=.04), the job satisfaction (F=10.58, p=.00) and, the professional perspectives on nursing (F=6.30, p=.01).

• Journal of Korea Port Economic Association
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• v.33 no.1
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• pp.31-46
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• 2017

With an increases in income levels and the establishment of a five-day workweek, the number of passengers using international passenger terminals around the world continues to grow every year. However, previous researches on port sector have focused on cargo, and neglected the study on the passenger attraction strategy of the international passenger terminal. Maximizing passenger attraction strategy of the international passenger terminal requires establishing and operating the port marketing strategy, which reflects port characteristics and the tourism marketing strategy, which reflects the hinterland characteristics in an integrated approach. Therefore, the study presents a marketing mix strategy for Daesan International Passenger Terminal based on existing literatures, and a tourism marketing strategy for Seosan city based on the "6A" factor. Recommendations for the Daesan Port include the grand image improvement strategy of Seosan city, utilization of marine tourism resources and development of various tourism products linked to the neighboring areas.

• Journal of The Geomorphological Association of Korea
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• v.23 no.3
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• pp.105-122
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• 2016

To evaluate the changes in the physical characteristics of open rainfall related to canopy effects and rainfall intensity in Korea, the terminal velocity of raindrops and drop size distributions(DSD) were continuously measured by an optical-laser disdrometer in an open site(Op) and in two forest stands(Th1: Larix leptolepis, Th2: Pinus koraiensis) during five rainfall events in 2008. The terminal velocity, DSD and two forms of kinetic energy(KE, $Jm^{-2}$ $mm^{-1}$; KER, $Jm^{-2}$ $h^{-1}$) of open rainfall drops were determined and were compared with those of throughfall drops under two different canopy heights. The effects of the canopy and rainfall intensity, together with wind speed, on the changes in drop size and kinetic energy of throughfall were evaluated. Throughfall drops were larger than open rainfall drops. The distribution of terminal velocities for the drop sizes measured at Th2 was lower than that at Op; however, at Th1 the distribution was similar to that at Op. The total kinetic energy of throughfall at Th1 and Th2 was higher than the total kinetic energy of open rainfall, and the kinetic energy distribution for the drop sizes wassimilar to the drop size distribution. The observed throughfall-KER at Th1 was lower than an estimate previously produced using a model. The overestimation from the modeled value at Th1 was likely to be due to overestimated values of a square root transformation of fall height and its coefficient in the model because the distributions of terminal velocity for the drop size measured at Th1 were similar to those of open rainfall.

• Journal of IKEEE
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• v.24 no.1
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• pp.72-80
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• 2020

This paper describes the design and fabrication of a BUC(Block Up-converter) which is a component of a FST (Flyaway Satellite Terminal), one of the ET(Earth Terminal) of the military satellite. BUC is physically composed of an up-converter module, a high power amplifier module, a receive band suppression filter, a housing, and a cable assembly. It was designed using simulator AWR to satisfy the electrical characteristics of BUC's such as maximum output power, gain, unwanted signal, and intermodulation. The maximum output power and gain characteristics were measured at 43.4dBm and 51.8dB, respectively. The unwanted wave and intermodulation characteristics were -73.5dBc and -31.9dBc, respectively. Of the electrical requirements of Table 1, not only the above four but also all of the items were confirmed to be satisfied.

• Journal of Korean Clinical Nursing Research
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• v.14 no.2
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• pp.103-114
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• 2008

Purpose: The purpose of this study was to investigate the level of QoL of the terminal cancer patients at home and to identify any influencing factors on QoL. Method: Subjects of this study consisted of 72 terminal cancer patients who were receiving home care nursing for more than 2 weeks in 6 general hospitals. Data were collected by a self-reporting questionnaire on QoL, pain, physical functioning, and symptom experience from Feb, 2006 to Dec, 2006. Data were analyzed by t-test, one way ANOVA, Pearson correlation coefficients, and multiple regression using SPSS Win 14.0. Results: Mean score of QoL was 98.6(230 in total). Except the level of family coping, general characteristics and disease related variables did not show significant difference in QoL. QoL was higher in the family with better coping, and QoL showed negative correlation with three types of pain, physical functioning, and symptom experiences. Least pain, physical functioning, and level of family coping explained QoL up to 26.7%. Conclusion: The QoL was closely related with pain, physical functioning, symptom experience, and family coping. And the least pain, physical functioning and level of family coping were important factors influencing on QoL of terminal cancer patients. However, some other variables influencing the QoL need to be investigated in the future.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2015.10a
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• pp.455-457
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• 2015

Since V-2, the first ballistic missile was developed during world war II, ballistic missile threat is increasing consistently due to science technology progress. United States is constructing and operating BMDS(Ballistic Missile Defense System) to defend homeland and allies. Various Interceptors will try intercept ballistic missile detected by sensors at boost phase, midcourse phase or terminal phase. THAAD(Terminal High Altitude Area Defense) is intercept system that intercept ballistic missile at high altitude of terminal phase. In this paper, concept of U.S. BMDS, and operational and technical characteristics of THAAD is surveyed and described.