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| 1 | PE-C增韧PVC防水卷材的性能研究显示文摘为改善聚氯乙烯(PVC)防水卷材的性能,用不同组分的氯化聚乙烯(PE-C)与PVC共混,并用邻苯二甲酸二辛酯(DOP)作为增塑剂进行改性。结果表明,随着PE-C、DOP含量的增加,PVC防水卷材的拉伸强度、硬度单调减小,其中拉伸强度最低减小47.6%,硬度最低减小9.8%;断裂伸长率和熔体流动速率单调增加,最大增加值分别为62%、644%。比较不同组分试样的拉伸曲线发现,DOP含量为20g,PVC、PE-C配比为70/30时,其拉伸曲线有屈服现象产生;但PE-C含量对拉伸曲线的形态无影响,无屈服现象。扫描电子显微镜照片从微观形态上验证了实验结果的合理性。 | 杨美玲 解小玲 Peng Yiyan 李海梅 | 2010 | 工程塑料应用2010，38，10： | 6 |
| 2 | MPC-based Torque Distribution for Planar Motion of Four-wheel Independently Driven Electric Vehicles:Considering Motor Models and Iron Losses显示文摘The most critical obstacle for four-wheel independently driven electric vehicles(4WID-EVs)is the driving range.Being the actuators of 4WID-EVs,motors account for its major power consumption.In this sense,by properly distributing torques to minimize the power consumption,the driving range of 4WID-EV can be effectively improved.This paper proposes a model predictive control(MPC)-based torque distribution scheme,which minimizes the power consumption of 4WID-EVs while guaranteeing its tracking performance of planar motions.By incorporating the motor model considering iron losses,the optimal torque distribution can be achieved without an additional torque controller.Also,for this reason,the proposed control scheme is computationally efficient,since the power consumption term to be optimized,which is expressed as the product of the motor voltages and currents,is much simpler than that derived from the efficiency map.With reasonable simplification and linearization,the MPC problem is converted to a quadratic programming problem,which can be solved efficiently.The simulation results in MATLAB and CarSim co-simulation environments demonstrate that the proposed scheme effectively reduces power consumption with guaranteed tracking performance. | Yiyan Su Deliang Liang Peng Kou | 2023 | CES Transactions on Electrical Machines and Systems2023，7，1： | 1 |
| 3 | Microalgae-material hybrid for enhanced photosynthetic energy conversion:a promising path towards carbon neutrality显示文摘Photosynthetic energy conversion for high-energy chemicals generation is one of the most viable solutions in the quest for sustainable energy towards carbon neutrality.Microalgae are fascinating photosynthetic organisms,which can directly convert solar energy into chemical energy and electrical energy.However,microalgal photosynthetic energy has not yet been applied on a large scale due to the limitation of their own characteristics.Researchers have been inspired to couple microalgae with synthetic materials via biomimetic assembly and the resulting microalgae-material hybrids have become more robust and even perform new functions.In the past decade,great progress has been made in microalgae-material hybrids,such as photosynthetic carbon dioxide fixation,photosynthetic hydrogen production,photo electrochemical energy conversion and even biochemical energy conversion for biomedical therapy.The microalgae-material hybrid offers opportunities to promote artificially enhanced photosynthesis research and synchronously inspires investigation of biotic-abiotic interface manipulation.This review summarizes current construction methods of microalgae-material hybrids and highlights their implication in energy and health.Moreover,we discuss the current problems and future challenges for microalgae-material hybrids and the outlook for their development and applications.This review will provide inspiration for the rational design of the microalgae-based semi-natural biohybrid and further promote the disciplinary fusion of material science and biological science. | Wei Xiong Yiyan Peng Weimin Ma Xurong Xu Yueqi Zhao Jinhui Wu Ruikang Tang | 2023 | National Science Review2023，10，10： | 0 |
| 4 | The Degradation Rate of Polyanhydride (Poly(sebacic acid), diacetoxy terminated, PSADT)显示文摘The in vitro degradation rate of polyanhydride (poly(sebacic acid), diacetoxy terminated), also known as PSADT, was investigated. PSADT tablets with a circular cross-section were formed using a compression molding device, and then immersed into phosphate buffer saline (PBS) for in vitro degradation experiments. The mechanisms of degradation and the degradation rate were characterized by the change in molecular weight and reduction in specimen mass. In addition, the effects of processing temperature and the geometry of the formed PSADT tablets on the rate of degradation were studied. The surface morphology at different degradation times was observed by scanning electron microscopy (SEM). The experimental results showed that PSADT exhibited surface erosion due to the fact that near zero-order degradation kinetics was observed during its degradation process. Moreover, it is found that the geometry of tablets played an important role on the rate of degradation, while the processing temperature had no significant effect on the PSADT degradation rate. | 崔志香 PENG Yiyan LI Ke PENG Jun ZHAO Haibin TURNG Lih-Sheng SHEN Changyu | 2013 | Journal of Wuhan University of Technology(Materials Science)2013，28，4： | 0 |
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