• Title/Summary/Keyword: complex resistance

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Extraction of Substrate Resistance in MOSFET Through DC Base Resistance Measurement of Parasitic BJT (기생 BJT의 DC 베이스저항 측정을 통한 MOSFET의 기판저항 추출)

  • Jung, Dae-Hyoun;Cha, Jun-Young;Cha, Ji-Young;Lee, Seong-Hearn
    • Proceedings of the IEEK Conference
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    • 2008.06a
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    • pp.393-394
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    • 2008
  • This paper presents a new method to extract the substrate resistance by fitting current-dependent base resistance of parasitic BJT without a complex RF extraction method. The extracted substrate resistance values using the new method match well with those using the RF one, verifying the accuracy of the proposed DC technique.

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Nutritional Modulation of Resistance and Resilience to Gastrointestinal Nematode Infection - A Review

  • Walkden-Brown, Stephen W.;Kahn, Lewis P.
    • Asian-Australasian Journal of Animal Sciences
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    • v.15 no.6
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    • pp.912-924
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    • 2002
  • Disease susceptibility is linked to nutritional status for a wide range of human and animal diseases. Nutritional status can influence both resistance (ability to resist the pathogen) and resilience (ability to tolerate or ameliorate the effects of the pathogen). This review focuses on the nutritional modulation of gastro-intestinal nematode infection in domestic ruminants, primarily sheep. It highlights the duality of the adverse consequences of infection on host nutritional status and the adverse consequences of poor host nutritional status on resistance to infection. Central to both phenomena is the complex, gut-based immune response to gastrointestinal nematode infection. The potential for strategic nutritional supplementation to enhance host resistance and resilience is reviewed together with recent findings on responses to increased ME supply, and long term effects on host immunity of short term protein supplementation.

The Effects of Sintering Temperature of Organic Ag Complex on the Photoluminescence Characteristics of MEH-PPV (유기 은(Ag) 화합물의 소결 온도가 MEH-PPV의 PL특성에 미치는 영향)

  • Kang, Min-Ki;Moon, Dae-Gyu
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2009.06a
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    • pp.328-329
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    • 2009
  • This paper presents the effect of organic Ag complex sintering temperature on the MEH-PPV photoluminescence (PL) properties. MEH-PPV and organic Ag complex was coated on the glass substrate by spin coating method. The coated Ag complex was sintered in an air atmosphere. The sintering temperature was varied from 100 to $200^{\circ}C$ and sintering time was 5 min. The Ag film sintered at temperature higher than $120^{\circ}C$ shows very low sheet resistance less than $0.5\;{\Omega}{/\square}$. The coated MEH-PPV measure photoluminescence (PL) intensity at 580 nm. The PL peak was shifted to the higher wavelength with increasing the sintering temperature.

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Low Temperature Sintering Characteristics of Organic Ag Complex (유기 은 착화합물의 저온 소성 특성)

  • Kang, Min-Ki;Suh, Won-Gyu;Moon, Dae-Gyu
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2008.06a
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    • pp.431-432
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    • 2008
  • We have investigated low temperature sintering characteristics of organic Ag complex. Organic Ag complex was coated on the glass substrate by spin coating method. The coated Ag complex was sintered in an air atmosphere. The sintering temperature was varied from 100 to $300^{\circ}C$ and sintering time was varied from 1 to 4 min. The thickness of the coated film was significantly decreased as the film was sintered at the temperature between 110 and $120^{\circ}C$. The sintered Ag film at temperature higher than $115^{\circ}C$ shows very low sheet resistance less than 1 ${\Omega}{/\square}$.

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Structural Design of Nakanoshima Festival Tower

  • Okada, Ken;Yoshida, Satoshi
    • International Journal of High-Rise Buildings
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    • v.3 no.3
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    • pp.173-183
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    • 2014
  • Nakanoshima Festival Tower is a 200 m high-rise complex building which contains a renewed 2700-seat capacity concert hall known as "Festival Hall" and offices including headquarter of a news company. In order to build up an office tower on the hall which requires large open space, a giant truss system is employed. The giant trusses being composed of mega-trusses and belt-trusses support all the building weight above them and transfer the load to the outside of the hall. The building also requires high seismic resistance performance for a news company. Application of mid-story seismic isolation enables the building to satisfy high-level seismic resistance criteria.

Studies on the Mechanism of Resistance to and Mode of Action of Viomycin in Mycobacterium smegmatis (Mycobacterium smegmatis를 이용한 Viomycin의 내성 및 작용 기전에 관한 연구)

  • 최응칠
    • YAKHAK HOEJI
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    • v.24 no.1
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    • pp.1-10
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    • 1980
  • Viomycin inhibited polypeptide biosynthesis, initiation complex formation and translocation of peptidyl-tRNA on ribosomes derived from a sensitive strain of Mycobacterium smegmatis (R-15), but not significantly on ribosomes from viomycin-resistant mutants(R-31 and R-43). The inhibition of translocation was stronger than that of initiation complex formation in the sensitive strain. The binding of [$^{14}C$] tuberactinomycin O, a viomycin analog, to ribosomal particles was studied by Millipore filter method. The sensitive ribosome exhibited higher affinity for the antibiotic than the resistant ribosomes. The resistance was localized on the large ribosomal subunit in a mutant(R-31), and on the small subunit in another mutant(R-43). The binding of the drug to the sensitive ribosomal subunit was markedly reduced by combination with the resistant pair subunit, and the entire ribosome became resistant to the antibiotic.

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Synthesis of (N-docosyl pyridinium)-TCNQ (1:1) Complex and Negative Resistance Phenomena in Langmuir-Blodgett Ultra Thin Films ((N-docosyl pyridinium)-TCNQ(1:1) 착체의 합성과 Langmuir-Blodgett 초박막에서 부성저항현상)

  • Seo, T.S.;Choi, M.K.;Lee, W.J.;Shon, B.C.;Kwon, Y.S.;Kang, D.Y.
    • Proceedings of the KIEE Conference
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    • 1989.11a
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    • pp.105-108
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    • 1989
  • For the purpose of fabricating of LB Ultra Thin Films. (N-docosyl pyridinium)-TCNQ(l: 1) Complex is synthesized. This specimen is verified by U.V. I.R and elemental analyzer. In fabricated LB films with this, as a measurements of electrical conduction characteristics in perpendicular direction, this films have characteristics of insulator(about $10^{-14}S/cm$). And negative resistance phenomena are observed in I-V characteristics of this films.

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Evaluation of Maintenance Coating Materials for Steel Bridges

  • Lee, Chan-Young;Cheong, Haimoon;Kim, Ok-Sun
    • Corrosion Science and Technology
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    • v.4 no.5
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    • pp.207-210
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    • 2005
  • Coating performance of various coating systems including chlorinated rubber and epoxy/urethane used most for steel structures of highway in Korea, was evaluated by exposing test specimen to complex deterioration factors such as ultraviolet ray, moisture, freeze-thaw cycle and salt. Deteriorated specimens were evaluated by chalking and rust grades according to ASTM, and measurement of color differences and adhesion. In overall coating performances such as corrosion resistance, photochemical stability, and adhesion, ceramic/ urethane, moisture-curable urethane/ urethane, etc. were superior. As for other coating materials tested in this study, superior materials against certain deterioration factors may be inferior against other factors. Accordingly, in order to select suitable maintenance coating materials for the use, it is thought that investigation of suitability through experiment should precede selection of materials, especially for unusual coatings or paints.

Effect of Ionic Stress on the Stability of Bacterial Spores (세균 포자의 안정성에 미치는 이온 강도의 영향)

  • Rhee, Chong-Ouk
    • Applied Biological Chemistry
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    • v.19 no.2
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    • pp.75-81
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    • 1976
  • High ionic strength is expected to enhance dissociation of Ca-DPA from spores and to contribute to a detrimental effect on spore stability or on spore heat resistance with a combined treatment of gamma-radiation. From this study, this hypothesis has become apparent as as follows; 1) Ca-DPA dissociation contributes to loss of stability of bacterial spores with respect to heat resistance, survival during storage, and 2) the cytoplasmic membrane plays a role in maintaining the stability of DPA-Ca-spore complex, apparently by serving as a permeability barrier.

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Interconnecting Nanomaterials for Flexible Substrate and Direct Writing Process

  • Jwa, Yong-Ho
    • Proceedings of the Materials Research Society of Korea Conference
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    • 2012.05a
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    • pp.58.1-58.1
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    • 2012
  • Direct write technologies provide flexible and economic means to manufacture low-cost large-area electronics. In this regard inkjet printing has frequently been used for the fabrication of electronic devices. Full advantage of this method, which is capable of reliable direct patterning with line and space dimensions in the 10 to 100 um regime, is only made with all-solution based processing. Among these printable electronic materials, silver and copper nanoparticles have been used as interconnecting materials. Specially, solutions of organic-encapsulated silver and copper nanoparticles may be printed and subsequently annealed to form low-resistance conductor patterns. In this talk, we describe novel processes for forming silver nanoplates and copper ion complex which have unique properties, and discuss the optimization of the printing/annealing processes to demonstrate plastic-compatible low-resistance conductors. By optimizing both the interconnecting materials and the surface treatments of substrate, it is possible to produce particles that anneal at low-temperatures (< $200^{\circ}C$) to form continuous films having low resistivity and appropriate work function for formation of rectifying contacts.

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