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| 1 | Preparation and characterization of Cobalt Sulfophthalocyanine/TiO 2 /fly-ash cenospheres photocatalyst and study on degradation activity under visible light显示文摘 | Pengwei Huo Yongsheng Yan Songtian Li Huaming Li Weihong Huang | 2009 | Applied Surface Science2009，，15： | 1 |
| 2 | Preparation of Poly-o-Phenylenediamine/TiOJFly-Ash Cenospheres and Its Photo-Degradation Property on Antibiotics 显示文摘 | Huo Pengwei Yan Yongsheng Li Songtian | 2010 | Appl SurfSci2010，256，11： | 1 |
| 3 | Preparation and characterization of cobalt sulfophtha- locyanine/TiO2/fly-ash cenospheres photocatalyst and study on degradation activity under visible light 显示文摘 | Huo Pengwei Yan Yongsheng Li Songtian | 2009 | Appl SurfSci2009，255，15： | 1 |
| 4 | Simultaneous Localization and Mapping System Based on Labels显示文摘In this paper a label-based simultaneous localization and mapping( SLAM) system is proposed to provide localization to indoor autonomous robots. In the system quick response( QR) codes encoded with serial numbers are utilized as labels. These labels are captured by two webcams,then the distances and angles between the labels and webcams are computed. Motion estimated from the two rear wheel encoders is adjusted by observing QR codes. Our system uses the extended Kalman filter( EKF) for the back-end state estimation. The number of deployed labels controls the state estimation dimension. The label-based EKF-SLAM system eliminates complicated processes,such as data association and loop closure detection in traditional feature-based visual SLAM systems. Our experiments include software-simulation and robot-platform test in a real environment. Results demonstrate that the system has the capability of correcting accumulated errors of dead reckoning and therefore has the advantage of superior precision. | Tong Liu Panpan Liu Songtian Shang Yi Yang | 2017 | Journal of Beijing Institute of Technology2017，26，4： | 1 |
| 5 | Alive with Possibilities显示文摘China-Africa relations are intertwined and present exciting mutual beneficial opportunities going forward THR 19th National Congress of the Communist Party of China,held in Beijing on October 18-24,set out the guiding principles for China’s major-country diplomacy with Chinese characteristics at the top level.The congress put forward that China will | Lin Songtian | 2017 | ChinAfrica2017，9，12： | 0 |
| 6 | STUDY ON APPLICATION OF POTASSIUM TITANATE WHISKER MATERIALS IN PREPARATION OF PHOTOCATALYST显示文摘The K2Ti4O9 whiskers were chosen for the catalyst carrier, TiO2/potassium titanate photocatalyst was prepared by Sol-gel method. The product was characterated by X-ray diffraction and SEM. EDS shows that, the main peck included Ti, O, and K in potassium titanate whisker. The main peak of K disappeared and the peaks of Ti, O stayed after whisker was covered. It directed that the surface of sample was covered by TiO2. XRD shows that diffraction peak appeared, which was corresponded to the peak of anatase TiO2. In the reaction device of photochemistry, using middle-pressure mercury lamp as illumination, rhodamine B as simulant pollutant, the photocatalytic performance of TiO2/potassium titanate was studied. Under the same conditions, the lower pH, the larger illuminance, the higher temperature, the greater aeration quantum and the lower initial concentration of rhodamine B, the higher decoloration rate was got. Under our experiment conditions: pH 6, the illuminance of 250W, the temperature of 313K, and the aeration quantum of 2.0L/min. When the concentration of rhodamine B was 8mg/L The photocatalyst of TiO2/potassium titanate was 0.01g/L. The decoloration rate of TiO2/potassium titanate dealt with the rhodamine B reach over 95% in 160min, and compare with TiO2, the decoloration rate of rhodamine B was improved 0.50~1.91 multiple. TiO2/potassium titanate can be used to treatment of dye wastewater. | HUO Pengwei LI Songtian WU Chundu YAN Yongsheng WANG Lingling | 2007 | Chinese Journal of Reactive Polymers2007，16，1： | 0 |
| 7 | Five Fingers of One Hand显示文摘BRICS cooperation has become a major force in the modernization of international governance South Africa will host the 10th BRICS Summit in Johannesburg in July this year.The summit returns to South Africa after being hosted in Durban in 2013as BRICS enters its second decade as an infl uential group.BRICS cooperation was established as a response to the 2008 international fi nancial crisis.South Africa joined BRICS in 2010. | Lin Songtian | 2018 | Beijing Review2018，61，28： | 0 |
| 8 | A Sharing Mindset The China International Import Expo reiterates its commitment to shared market opportunities显示文摘As a pioneering step in the history of international trade, the China International Import Expo (CIUE)is the world’s first ever importthemed national-level expo.Chinese President Xi Jinping and leaders from governments, businesses, and international organizations from 172 | Lin Songtian | 2018 | ChinAfrica2018，10，12： | 0 |
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