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排序方式: 共有1079条查询结果,搜索用时 15 毫秒
981.
Shogo Uesaka Ryohei Yamaoka Toshiki Sasaki Akihiro Chida Susumu Kawashima Toshiyuki Isa Satoshi Seo Yoshiharu Hirakata Shota Yatsuzuka Takayuki Ohide Masataka Nakada Shunpei Yamazaki Manabu Niboshi Yoshiyuki Isomura Yuto Tsukamoto Shinichi Kawato Katsuhiro Kikuchi Seiichi Mitsui 《Journal of the Society for Information Display》2014,22(12):603-612
In this study, the device structure of a white tandem organic light‐emitting diode (OLED) was changed to control the emission area and thereby achieve less luminance decay. A long‐life 13.5‐inch 4 K flexible c‐axis‐aligned crystal oxide semiconductor (CAAC‐OS) active‐matrix OLED with less color shift and high resolution was fabricated using this long‐life white OLED, transfer technology, and a CAAC‐OS field‐effect transistor. 相似文献
982.
Yoshiyuki Hattori Natsuko Noguchi Hidekazu Touhara Shigenori Utsumi Hirofumi Kanoh 《Carbon》2007,45(7):1391-1395
Fluorinated activated carbon fibers (F-ACFs) were prepared by direct thermal fluorination of pristine activated carbon fibers. By the pyrolysis of F-ACFs at 1073 K under nitrogen gas flow, fluorine was subsequently eliminated and the sp2-bonded ACF structures were recovered. The micropore widths were 1.1 and 0.8 nm, and the isosteric heats of adsorption of nitrogen were 11.3 and 12.8 kJ/mol for pristine and defluorinated ACFs, respectively. These results strongly suggest that changes occurred in the structural properties of micropores in defluorinated ACFs. The hydrogen adsorption isotherms showed that the defluorinated ACFs adsorbed more hydrogen gas than pristine ACFs at 77 K, suggesting that the potential for interaction between hydrogen molecules and the defluorinated slit nanospaces was increased due to the changes in the pore structural properties and/or to the induced polarization of the pore walls making up the modified π-electron systems. 相似文献
983.
This paper presents interactive techniques to design 3D garments conveniently and precisely with constrained contour curves and style curves. Contour curves, including silhouette curves and cross section curves, are used for garment surface modeling. Style curves, including seam lines, dart lines, notch lines and grain lines, are introduced for designing patterns on the triangular garment surfaces. Contour curves are extracted automatically from the boundaries of garment sub-meshes. The definitions and resolving rules of various constraints are introduced for editing the contour curves conveniently. Style curves are generated by projecting control points onto 3D garment triangular surfaces. In order to draw the style curves validly, some constraints are also introduced according to the craft requirements of pattern design. Furthermore, the effects of style curves in pattern flattening are analyzed, which can guide the designer to draw style curves more reasonably and enhance the pattern design quality. Finally, some examples are given to show that our methods can make the 3D garment design more flexible and friendly, and style curves can be applied into design patterns on 3D triangular surface for shoes, toys and so on. 相似文献
984.
Hirofumi Ohashi Yoshitomo Inaba Tetsuo Nishihara Tetsuaki Takeda Koji Hayashi Shoji Takada Yoshiyuki Inagaki 《Nuclear Engineering and Design》2006,236(13):1396-1410
The Japan Atomic Energy Agency has been planning the demonstration test of hydrogen production with the High Temperature Engineering Test Reactor (HTTR). In a HTTR hydrogen production system (HTTR-H2), it is required to control a primary helium temperature within an allowable value at a reactor inlet to prevent a reactor scram. A cooling system for a secondary helium with a steam generator (SG) and a radiator is installed at the downstream of a chemical rector in a secondary helium loop in order to mitigate the thermal disturbance caused by the hydrogen production system. Prior to HTTR-H2, the simulation test with a mock-up test facility has been carried out to establish the controllability on the helium temperature using the cooling system against the loss of chemical reaction. It was confirmed that the fluctuations of the helium temperature at chemical reactor outlet, more than 200 K, at the loss of chemical reaction could be successfully mitigated within the target of ±10 K at SG outlet. A dynamic simulation code of the cooling system for HTTR-H2 was verified with the obtained test data. 相似文献
985.
986.
Haiqiong Xie Zhong Zeng Liangqi Zhang Yuui Yokota Yoshiyuki Kawazoe Akira Yoshikawa 《Microgravity science and technology》2016,28(1):67-77
A hybrid two-phase model, incorporating lattice Boltzmann method (LBM) and finite difference method (FDM), was developed to investigate the coalescence of two drops during their thermocapillary migration. The lattice Boltzmann method with a multi-relaxation-time (MRT) collision model was applied to solve the flow field for incompressible binary fluids, and the method was implemented in an axisymmetric form. The deformation of the drop interface was captured with the phase-field theory, and the continuum surface force model (CSF) was adopted to introduce the surface tension, which depends on the temperature. Both phase-field equation and the energy equation were solved with the finite difference method. The effects of Marangoni number and Capillary numbers on the drop’s motion and coalescence were investigated. 相似文献
987.
Sumio Utsunomiya Satoshi Inoue Tatsuya Shimoda 《Journal of the Society for Information Display》2002,10(1):69-73
A novel technology that makes it possible to transfer electronic devices from an original substrate to another substrate is introduced. Because laser irradiation is utilized during the transfer process, this technology was named SUFTLA® (surface free technology by laser ablation/annealing). Low‐temperature poly‐Si TFTs first manufactured on a quartz substrate were transferred onto a PES substrate without any damage or characteristic degradation. A trial TFT‐LCD device with peripheral integrated driver circuits was also transferred onto the PES substrate and their operation was observed under typical conditions. These results indicate that the SUFTLA technology is one of the leading candidates for fine‐patterned high‐performance electronic‐device manufacturing on flexible substrate. 相似文献
988.
Satoshi Inoue Mutsumi Kimura Tatsuya Shimoda 《Journal of the Society for Information Display》2002,10(1):75-80
We investigated hot‐carrier degradation in low‐temperature (≤425° C) polycrystalline‐silicon thin‐film transistors (poly‐Si TFTs). When the appropriate stress is applied to the TFTs, a decrease in on‐current and an increase in off‐current are induced by the drain avalanche hot carriers (DAHC). The extent of the degradation is quite large, however, when the ac stress is applied to the drain (drain ac stress). Moreover, the degradation is accelerated by an increase in the frequency of the drain ac stress. We found that the pulse number of the drain ac stress dominated this degradation. It is well known that hot carriers are generated by impact ionization, and the impact ionization rate increases with an increase in the carrier density and the electric field in the channel. When the dc stress is supplied to the drain (drain dc stress), the electric field near the drain is high, while the electron density near the drain is low because of the formation of a pinch‐off region. On the other hand, for the case of drain AC stress, both the electric field and electron density near the drain become high during the transition when the voltage of the stress pulse changes from low to high. The impact ionization rate increases at this point. As this cycle is repeated, it is thought that the degradation of TFTs is accelerated. 相似文献
989.
990.
S Shimoda J Van de Water A Ansari M Nakamura H Ishibashi RL Coppel J Lake EB Keeffe TE Roche ME Gershwin 《Canadian Metallurgical Quarterly》1998,102(10):1831-1840
The immunodominant antimitochondrial antibody response in patients with primary biliary cirrhosis (PBC) is directed against the E2 component of the pyruvate dehydrogenase complex (PDC-E2). Based on our earlier observations regarding peripheral blood mononuclear cell (PBMC) T cell epitopes, we reasoned that a comparative analysis of the precursor frequencies of PDC-E2 163-176-specific T cells isolated from PBMC, regional hepatic lymph nodes, and from the liver of PBC patients would provide insight regarding the role of T cells in PBC. Results showed a disease-specific 100-150-fold increase in the precursor frequency of PDC-E2 163-176-specific T cells in the hilar lymph nodes and liver when compared with PBMC from PBC patients. Interestingly, autoreactive T cells and autoantibodies from PBC patients both recognize the same dominant epitope. In addition, we demonstrated cross-reactivity of PDC-E2 peptide 163-176-specific T cell clones with PDC-E2 peptide 36-49 and OGDC-E2 peptide 100-113 thereby identifying a common T cell epitope "motif" ExETDK. The peptide 163-176-specific T cell clones also reacted with purified native PDC-E2, suggesting that this epitope is not a cryptic determinant. These data provide evidence for a major role for PDC-E2 peptide 163-176 and/or peptides bearing a similar motif in the pathogenesis of PBC. 相似文献