• Journal of Ginseng Research
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• v.5 no.1
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• pp.1-7
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• 1981

A study was designed to study the sorption characteristics of powder-type products of red ginseng such as red ginseng tea, red ginseng powder and spray 4ried powder of red ginseng extract The sorption rates and equilibrium moisture contents on these products were calculated at ova. a range of relative himidities and two different temperatures ($25^{\circ}C$ and 38$^{\circ}C$). Significant differences between these three products were found in water activities, sorption rates and the relationship between the ratio of %H2O/RH and moisture content The red ginseng tea required the most excessive drying to reach aw=0.4, followed by red ginseng power and spray dried powder of red ginseng extract Attempt was made to obtain equations which can predict sorption rate and moisture content of red ginseng products at given relative humidity and temperature after certain period of storage.

• YAKHAK HOEJI
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• v.29 no.6
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• pp.375-379
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• 1985

The gas chromatographic behavior of optically active N-(N-benzoyl-L-valyl)-anilide used as stationary phase is described. N-(N-benzoyl-L-valyl)-anilide has been synthesized with good yield under mild condition via Schotten-Bauman process and coated on the Chromosorb W AW (80-100mesh) for the purpose of enantiomer separation. The behavior of this compound as optically active stationary phase for the separation of the enantiomers of N-TFA-D, L-amino acid isopropyl esters has been examined with respect to the correlation between the separation factors and column temperatures. All amino acid enantiomers examined were eluted within one hour and the elution pattern showed retention times increasing in the order of alanine, valine, leucine, threonine, proline and methionine.

• Food Science of Animal Resources
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• v.18 no.1
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• pp.75-80
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• 1998

pH in sausages with 0.5% and 2% pyroligneous liquor was lowered rapidly respectively. Sausage with 2% pyroligneous liquor showed the lowest Aw. Antioxidant activity of 0.02% and 0.5% pyroligneous liquor was negligible but rancidity was inhibited in the sausages with 2% pyroligneous liquor and 0.02% BHA/BHT(1:1) Sensory tests showed that sausages treated with pyrolignesous liquor had lower score. The growth of lactic acid bacteria was not affected by pyroligneous liquor. But enterobacteria was not detected after 10 days fermentation of the sausages wit 0.02% BHA/ BHT 8 days in the 0.5% pyroligneous liquor and 6 days in the 2% pyroligneous liquor.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2011.06a
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• pp.87-88
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• 2011

다기능 선박조종시뮬레이터(Full-mission Shiphandling Simulator)를 이용한 사고분석 방법을 한국해양수산연수원이 보유한 DNV(Det Norske Veritas)선급에서 "Integrated Simulator System, NAUT AW(SIM), DYNPOS-AUT(SIM), HSC, TUG, ICE" Class로 인정하고, STCW 협약 Regulation I/12를 충족한 Russia TRANSAS사의 "NAVI-TRAINER PROFESSIONAL 5000 NTPRO 5000" Full-mission Shiphandling Simulator를 이용하여 시행하였다.

• Proceedings of the Korea Information Processing Society Conference
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• 2016.04a
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• pp.38-41
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• 2016

최근 IT기술 및 웹기술의 발달로 웹서비스 소요의 폭발적인 증가는 신규 사업 및 사업 확장에 초기 투자비용 증가를 가지고 왔다. 이에 가상화 기술을 바탕으로 초기 투자비용 없이 사용한 만큼만 인프라를 빌려오는 AWS같은 IaaS가 제안되었지만 이는 인터넷이 연결되지 않은 인트라넷이나 이미 구축되어 있는 기존자원 활용이 불가능하다는 점, 그리고 사용량을 미리, 정확하게 예측해야 예산낭비를 줄일 수 있다는 점에서 제한사항이 있다. 본 논문에서는 인터넷이 연결되어 있지 않은 인트라넷에서 기존의 장비들을 모아 가상화 데이터 센터를 구축을 제안 및 오토 스케일링 기법을 적용한 데이터센터 운용 방안을 제시함으로 써 현재 자원의 효율 극대화 방안에 대해 논의한다.

• Electronics and Telecommunications Trends
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• v.24 no.4
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• pp.79-88
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• 2009

클라우드 컴퓨팅은 인터넷 기술을 활용하여 IT 자원을 서비스로 제공하는 컴퓨팅으로 최근 많은 관심을 받고 있다. 클라우드 컴퓨팅이 널리 사용되기 위해서 해결해야 할 첫번째 문제는 보안인 것으로 조사된 바 있다. 클라우드 컴퓨팅의 보안은 사용자의 영역에 따라 개인 사용자와 기업 사용자 분야로 나눌 수 있으며, 개인 사용자는 익명성에 관심을 두고 있고, 기업 사용자는 컴플라이언스에 관심을 두고 있다. 클라우드 컴퓨팅은 플랫폼, 스토리지, 네트워크, 단말로 구성되어 있고, 각각의 위치에서 필요한 보안기능이 따로 존재한다. 본 고에서는 클라우드 컴퓨팅 보안의 기술들에 대해서 알아보고, 현재 클라우드 컴퓨팅의 대표적인 서비스 중의 하나인 아마존 AWS의 보안 기능에 대하여 살펴보고자 한다.

• The Korean Journal of Ecology
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• v.15 no.1
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• pp.47-58
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• 1992

This study is to investigate the change of the seasonal patterns of relative water relations parameters by the pressure-volume curves in pinus koraiensis needles. The osmotic potentials at full water saturated(Ψ0, sat) and at incipient plasmolysis(Ψ0, tlp) increased in growing season, while decreased in non-growing season. The maximum bulk modulus of elasticity(Emax), relative water content(RWCTLP), and relativefree water content(FWCtlp) at incipient plasmolysis in non-growing season were higher than these of growing season. The maximum pressure potential(Ψp, max) varied from 1.16 to 2.18MPa, torgor index(TI) varied from 3.1 to 4.7. The osmole number(Ns/dw) and symplastic water (Vo/DW) were variable seasonally. The maximum water content(Vt/DW) and apoplastic water(AW) were relatively high in early growing stage, and then decreased to needle aging. The pressure potential(Ψp) and water potential(Ψ) in winter needles were rapidly decreased with decreasing of relative water content. The matric potential occupied over 10 percent of water potential with less than-2.0 MPa.

• Smart Media Journal
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• v.5 no.1
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• pp.69-77
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• 2016

This paper proposes a software defined storaging method to converge the network virtualization technique and the RAID of distributed storage environment. The proposed method designs software based storage which it apply a flexible control and maintenance of storages. In addition, the method overcomes the restricted of physical storage capacity and cut costs of data recovery. The proposed failover recovery technique based on Software-Defined RAID has been tested the substantial verification and the performance using public AWS and Google Storage.

• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 2007.06a
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• pp.446-447
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• 2007

Aluminisum-doped zinc oxide (AZO) films are attractive materials as transparent conductive electrode because they are inexpensive, nontoxic and abundant element compared with indium tin oxide (ITO). In our paper, AZO films have been deposited on glass (coming 1737) substrates by RF magnetron sputtering. The AZO film was post-annealed at $600^{\circ}C$, $800^{\circ}C$ for 2 hr with $N_2$ atmosphere, respectively. We investigated that the electric properties and qualitative analysis of AZO films, which measured using the methods of Hall effect, X-ray photoelectron spectroscopy (XPS).

• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 2007.06a
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• pp.133-134
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• 2007

We have studied the structural and electrical, optical properties of Al doped ZnO(AW) thin films which were fabricated by If reactive magnetron sputtering method with various heat treatment conditions. The heat temperatures of specimen fabrication were comning 7059 glass is $200{\sim}500^{\circ}C$ and Polyimide films are $200{\sim}350^{\circ}C$ respectively. The variations of the electrical and optical properties with heat treatment temperature and ambient were studied.