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Klingstedt, Miia,Miyasaka, Keiichi,Kimura, Kosuke,Gu, Dong,Wan, Ying,Zhao, Dongyuan,Terasaki, Osamu Royal Society of Chemistry 2011 Journal of materials chemistry Vol.21 No.35
<P>We present a comprehensive analysis for pore structures of cage-type ordered mesoporous carbons (OMCs) using various electron microscopy techniques in addition to conventional nitrogen adsorption isotherm studies. The benefits and drawbacks of these techniques are evaluated, and it is shown that they are complementary to each other. Knowledge of the structural properties, pore sizes, and connectivity gives insight into the synthesis strategies and how they are affecting the material properties that are useful within the possible applications. Herein, focus is put on the two OMCs with <I>Im</I>3̄<I>m</I> and <I>Fm</I>3̄<I>m</I> symmetries specified by FDU-16 and FDU-18. The central techniques used in this study are high resolution scanning electron microscopy combined with cross-section polisher and three-dimensional reconstruction methods (electron tomography and electron crystallography) based on transmission electron microscopy observations.</P> <P>Graphic Abstract</P><P>Quantification of pore size and shape irregularity for mesoporous materials is demonstrated based on SEM/TEM observations including three-dimensional reconstructions. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c1jm11789k'> </P>
Aono, Hideshi,Hosozawa, Osamu,Shinozaki, Yozo,Kimura, Yuichi Council on Tall Building and Urban Habitat Korea 2016 International journal of high-rise buildings Vol.5 No.3
Along the subduction-zone of the western Japanese islands, large earthquakes are expected occur around the middle of this century, and long-period ground motions will reach major urban areas, shaking high-rise buildings violently. Since some old high-rise buildings were designed without considering long-period ground motions, reinforcing such buildings is an important issue. An effective method to reinforce existing high-rise buildings is installing additional dampers. However, a problem with ordinary dampers is that they require reinforcement of surrounding columns and girders to support large reaction forces generated during earthquake ground motion. To solve this problem, a deformation-dependent oil damper was developed. The most attractive feature of this damper is to reduce the damping force at the moment when the frame deformation comes close to its maximum value. Due to this feature, the reinforcement of columns, girders, and foundations are no longer required. The authors applied seismic retrofitting with a deformation-dependent oil damper to an existing 54-story office building (Shinjuku Center Building) located in Shinjuku ward, Tokyo, in 2009 to suppress vibration under the long period earthquake ground motions. The seismic responses were observed in the 2011 Tohoku Earthquake, and it is clarified that the damping ratio was higher and the response lower by 20% as compared to the building without dampers.
Eiji Kondo,Tsutomu Tabata,Nao Suzuki,Daisuke Aoki,Hideaki Yahata,Yoshio Kotera,Osamu Tokuyama,Keiichi Fujiwara,Eizo Kimura,Fumitoshi Terauchi,Toshiyuki Sumi,Aikou Okamoto,Nobuo Yaegashi,Takayuki Enomo 대한부인종양학회 2020 Journal of Gynecologic Oncology Vol.31 No.6
Objective: In this study we sought to investigate the clinical factors that affect post progression survival (PPS) in patients with recurrent or persistent clear cell carcinoma (CCC). We utilized the JGOG3017/Gynecological Cancer InterGroup data to compare paclitaxel pluscarboplatin (TC) and irinotecan plus cisplatin (CPT-P) in the treatment of stages I to IV CCC. Methods: We enrolled 166 patients with recurrent or persistent CCC and assessed the impactof variables, including platinum sensitivity, treatment arm, crossover chemotherapy, primarystage, residual tumor at primary surgery, performance status, ethnicity, and tumor reductionsurgery at recurrence on the median of PPS in patients with recurrent or persistent CCC. Results: A total of 77 patients received TC, and 89 patients received CPT-P. The median PPSfor patients with platinum-resistant disease was 10.9 months, compared with 18.8 monthsfor patients with platinum-sensitive disease (hazard ratio [HR]=1.88; 95% confidence interval[CI]=1.30–2.72; log-rank p<0.001). In the multivariate analysis, the platinum sensitivity(resistant vs. sensitivity; HR=1.60; p=0.027) and primary stage (p=0.009) were identified asindependent predictors of prognosis factors for PPS in recurrent or persistent CCC. Conclusions: Our findings revealed that platinum sensitivity and primary stage are clinicalfactors that significantly affect PPS in patients with recurrent or persistent CCC as well as other histologic subtypes of ovarian cancer. PPS in patients with recurrent CCC shouldestablish the basis for future clinical trials in this population.