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Song-lin Zhou,Min Wang,Huan-ge Zhao,Yong-hao Huang,Ying-ying Lin,Guang-hong Tan,Shung-lin Chen 대한약학회 2016 Archives of Pharmacal Research Vol.39 No.12
Two azaphilonidal derivatives [penicilazaphilonesB (1) and C (2)], have been isolated from thefermented products of marine fungus strain Penicilliumsclerotiorum M-22, penicilazaphilones C was a new compound. The compound’s structures were identified by theanalysis of spectroscopic data including 1D and 2D NMRtechniques (1H-NMR, 13C-NMR, COSY, HMQC, andHMBC). Biological evaluation revealed that penicilazaphilonesB and C showed selective cytotoxicity againstmelanoma cells B-16 and human gastric cancer cells SGC-7901 with IC50 values of 0.291, 0.449 and 0.065,0.720 mM, respectively, while exhibiting no significanttoxicity to normal mammary epithelial cells M10 at thesame concentration. Moreover, penicilazaphilones C alsoexhibited strong antibacterial activity against Staphylococcusaureus, Pseudomonas aeruginosa, Klebsiellapneumonia and Escherichia coli with MIC values0.037–0.150 mM, while penicilazaphilones B’s bacteriostaticaction was weaker.
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Song Xinrong,Song Kunyang,Ding Sha,Chen Yaping,Lin Yuanbin 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.2
Poly[N,N0-(2-amino-5-carboxybutyl-1,3-phenylenedimethylene)-2,20-diamino-4,40-bithiazole] was synthesized and characterized with Fourier transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM). Anhydrous electrorheological (ER) fluids were prepared using the polymer particles as disperse phase and bromodiphenylmethane as a disperse medium. Rheological measurements were carried out via a rotational rheometer to investigate the effects of electric field strength and the polymer particle content on the ER properties. Results indicate that suspensions of the polymer particles containing amino and carboxybutyl groups in bromodiphenylmethane exhibit a substantial ER effect.
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Song Ping Hu,Ying Zhou,Lin Zhang,Xu Dong Zhu,Zheng Gong Wang,Lin Li,Li Jun Luo,Qing Ming Zhou 한국유전학회 2009 Genes & Genomics Vol.31 No.2
Three floral traits, spikelet number per panicle (SNP), percentage of single exserted stigma (PSES) and dual exserted stigma (PDES) of a RI population with 185 lines under water stress and non-stress conditions for two years were investigated in a drought tolerance screening facility. ANOVA results showed high significance between years, lines, and water stress treatments, together with interactions among them in pairs. High phenotypic correlation was found between PSES and PDES (r=0.5424***). Based on a linkage map of 203 SSR markers, when under well-watered condition, six QTLs (qSNP-3b, qSNP-4, qSNP-11 qSNP-2, qSNP-5 and qSNP-9) were detected for SNP. Half of them had significant Q×E interactions. Three QTLs (qPSES-1, qPSES-2, qPSES-5) were found to influence PSES, including one locus (qPSES-2) having Q×E interaction. And three QTLs (qPDES-2, qPDES-5 and qPDES-8) were also detected to influence PDES. qPDES-5 was found to have Q×E interaction. The contribution rate of a single QTL varied from 0.80% to 8.83% for additive effect, and 1.86% to 15.25% for Q×E interactions. Under drought stress, six QTLs (qSNP-3a, qSNP-4, qSNP-7a, qSNP-7b, qSNP-8 and qSNP-9) were associated with SNP, including qSNP-3a and qSNP-4 with Q×E interaction. Three QTLs (qPSES-1, qPSES-10 and qPSES-12) were located on rice chromosome 1, 10 and 12 for PSES. Four QTLs (qPDES-1a, qPDES-1b, qPDES-4 and qPDES-9) were detected for PDES, including qPDES-9 with Q×E interaction. The additive effect of single QTL can only explain 1.16% to 5.84% of total variance while Q×E interaction of four loci can explain 4.25% to 11.54% of total variance for each locus. There were one to nine pairs of epistatic QTLs influencing SNP and stigma exsertion. The contribution rates of additive and epistatic effects seemed to be in a low magnitude for most cases (0.76%~9.92%) while a few QTLs or QTL pairs explained more than 10% of total variance. Some main effect QTL and epistasis were commonly detected among PSES and PDES, explaining the high positive correlation between them. Few QTLs were detected under both water stress and non-stress conditions, indicating that drought had severe impact on the genetic behaviors of both spikelet number and stigma exsertion.
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Song-Lin Hu,Jin-Liang Liu,Zhao-Ping Du 제어·로봇·시스템학회 2011 International Journal of Control, Automation, and Vol.9 No.6
This paper is concerned with the stabilization problem of discrete-time networked control systems with partly known transmission delay. Considering the random property of the networked-induced delay, the original system is transformed into a new delay model with stochastic parameter matrices by introducing a novel state augmentation technique. Based on the new model, a new delay-distribution-dependent criterion for the mean square stability of the closed-loop system is derived by using the Lyapunov-Krasovskii functional approach and linear matrix inequality technique. The solvability of the derived criterion depends on not only the size of the delay, but also the probability distribution of the delay taking value in a finite set. Finally, two numerical examples are given to demonstrate the effectiveness of the proposed method.
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Lin, Chao,Shinde, Sambhaji S.,Jiang, Zheng,Song, Xiaokai,Sun, Yu,Guo, Linli,Zhang, Hao,Jung, Jin-Young,Li, Xiaopeng,Lee, Jung-Ho The Royal Society of Chemistry 2017 Journal of materials chemistry. A, Materials for e Vol.5 No.27
<▼1><P>A “three birds one stone” strategy for preparing 1D N-doped porous carbon nanotubes embedded with Co@CoOx nanoparticles results in the unprecedentedly high-rate Zn–air batteries.</P></▼1><▼2><P>In this work, we demonstrate a “three birds one stone” strategy for preparing 1D N-doped porous carbon nanotubes embedded with core–shell Co@CoOx nanoparticles (Co@CoOx/NCNTs) from bimetallic ZnO@Zn/Co-ZIF nanowires. The ZnO nanowires played three roles: (i) ZnO acted as a template for 1D metal–organic framework (MOF) growth, (ii) <I>in situ</I> evaporation of Zn during pyrolysis prevented the aggregation of the carbon framework and benefited the formation of hierarchical pores, and (iii) the excess oxygen species released from ZnO <I>in situ</I> reacted with metallic cobalt nanoparticles during pyrolysis, leading to the configuration of a Co@CoOx core–shell structure. The as-prepared 1D Co@CoOx/NCNTs exhibited excellent oxygen reduction reaction performance, including a high kinetic current (4.6 times better compared to 20 wt% Pt/C at 0.7 V), a low Tafel slope of 80 mV dec<SUP>−1</SUP>, outstanding stability, and strong tolerance to CH3OH crossover. The assembled Zn–air batteries with Co@CoOx/NCNTs yielded high open-circuit voltage (1.52 V), superior stability (over 100 h of operation), and unprecedented rate performance that ranged from 1 to 500 mA cm<SUP>−2</SUP>, while existing batteries have never achieved a galvanostatic discharge current density larger than 300 mA cm<SUP>−2</SUP>. Such exceptional rate capability was ascribed to the formation of a uniform interconnected nanotube network, facilitated electron transport, and an enlarged electrochemically accessible surface area in the unique 1D porous tubular structure.</P></▼2>
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The Textual Research on Qidiaoshi School
( Song Li-lin ) 성균관대학교 유교문화연구소 2011 儒敎文化硏究(中文版) Vol.0 No.15
孔子之后, “儒分爲八”, “漆雕氏之儒”爲其中之一。由于史料有限, 對漆雕氏之儒的硏究不多且存在諸多問題。通過綜合排比史料, 可知漆雕氏之儒的開創者乃孔子弟子漆雕開。漆雕開, 是魯人而非蔡人, 少孔子11 歲而非小孔子41 歲, 爲孔子早年弟子非晩期弟子。《漢志》著錄《漆雕子》, 所注“漆雕啓后”之“后”字當爲衍文, 不過這部作品可以視爲漆雕氏之儒的學派集體著作, 而學者將《呂氏春秋》中的《忠廉》、《當務》等十幾篇文獻視爲該派作品, 多屬臆測, 難以信從。《儒行》篇當是漆雕氏之儒所“傳述”的孔子言論, 而非漆雕氏之儒的“著作”。學者將北宮黝、宓子贱等劃爲漆雕氏之儒的做法是不可取的。漆雕氏之儒的思想特征, 可歸納爲:(1)傳習《尙書》;(2)不樂仕;(3)人性有善有惡說;(4)尙勇。學界流行的將漆雕氏之儒視爲“任侠派”的觀点同樣是不成立的。 After Confucius, the Confucian was divided into eight schools. One of them was Qidiaoshi school (漆雕氏之儒). As historical material is limited, the research of the Qidiaoshi school is sparse and there are many problems. Through the comprehensive historical material, we know the Master of the Qidiaoshi school is Qidiaokai (漆雕开). He was born in the state of Lu (鲁国) but not the state of Cai (蔡国). He was 11 years younger than Confucius, rather than 41 years. So he was one of the students of Confucius in the early stage. The book of Qidiaozi (漆雕子) could be regarded as collective works of the Qidiaoshi school. But I do not think it is credible that some literature in Lvshichunqiu (吕氏春秋), such as Zhonglian (忠廉) and Dangwu (当务) etc, is looked as the works of the Qidiaoshi school. The literature of Ruxing (儒行) should be the saying and thought of Confucius recorded and narrated by the Qidiaoshi school. It is inadvisable that put Beigongyou (北宫黝) and Fuzijian (宓子贱) as members of the Qidiaoshi school. The popular view that Qidiaoshi school belongs to the knight-errant school is not untenable. [Article in Chinese]
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Electric Field Intensity Factors for Conducting Paths in Anisotropic Dielectric Bimaterials
Song Lin,범현규,Cheng Bin Cui 한국정밀공학회 2013 International Journal of Precision Engineering and Vol.14 No.3
Conducting paths in an anisotropic dielectric bimaterial as well as in a homogeneous anisotropic material subjected to electric loading are investigated. The conducting path problems are formulated by using a linear transformation method. Electric field intensity factors are obtained for conducting paths emanating from a surface electrode in an orthotropic material. The asymptotic problem of a kinked conducting path in dissimilar anisotropic dielectric materials is considered. The electric field intensity factor for the asymptotic problem is obtained in the infinite product form. To ascertain validity of the solution obtained from the linear transform method, numerical computations are carried out by using finite element method. The electric field intensity factor for a conducting path emanating from the vertex of a bimaterial wedge with a tilt boundary is also obtained in the closed form.
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A New Application of Human Visual Simulated Images in Optometry Services
Lin-Song Chang,Bo-Wen Wu 한국광학회 2013 Current Optics and Photonics Vol.17 No.4
Due to the rapid advancement of auto-refractor technology, most optometry shops provide refraction services. Despite their speed and convenience, the measurement values provided by auto-refractors include a significant degree of error due to psychological and physical factors. Therefore, there is a need for repetitive testing to obtain a smaller mean error value. However, even repetitive testing itself might not be sufficient to ensure accurate measurements. Therefore, research on a method of measurement that can complement auto-refractor measurements and provide confirmation of refraction results needs to be conducted. The customized optometry model described herein can satisfy the above requirements. With existing technologies, using human eye measurement devices to obtain relevant individual optical feature parameters is no longer difficult, and these parameters allow us to construct an optometry model for individual eyeballs. They also allow us to compute visual images produced from the optometry model using the CODE V macro programming language before recognizing the diffraction effects visual images with the neural network algorithm to obtain the accurate refractive diopter. This study attempts to combine the optometry model with the back-propagation neural network and achieve a double check recognition effect by complementing the auto-refractor. Results show that the accuracy achieved was above 98% and that this application could significantly enhance the service quality of refraction.
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