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您的检索式：作者名="Jin Changlei"
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| 1 | Catalytic performance of Pt/HY-β in n-octane hydroisomerization显示文摘A bifunctional catalyst Pt/HY-β was prepared from a bimicroporous composite zeolite Y-β. Characterization results showed that the specific surface area,pore volume,and acid amount of the catalyst Pt/HY-β all decreased compared to the original zeolite.The catalytic performance of this catalyst in n-octane hydroisomerization was investigated in a fixed bed stainless steel tubular reactor.The results showed that at a hydrogen/n-octane volume ratio of 1000,pressure of 0.6 MPa,temperature of 230°C and LHSV of 3 h-1,the conversion of n-octane,yield of liquid,hydrocracking rate and yield of iso-octane were 52.32%,88.66%,12.60%,39.51%,respectively. | Jin Changlei MA Bo Zhang Xiwen Ling Fengxiang Zhang Zhizhi Qin Bo | 2009 | Petroleum Science2009，6，3： | 1 |
| 2 | Design and Grasping Force Modeling for a Soft Robotic Gripper with Multi-stem Twining显示文摘To improve the grasping power of soft robots,inspired by the scene of intertwined and interdependent vine branches safely clinging to habitats in a violent storm and the phenomenon of large grasping force after being entangled by aquatic plants,this paper proposes a soft robotic gripper with multi-stem twining.The proposed robotic gripper can realize a larger contact area of surrounding or containing object and more layers of a twining object than the current twining gripping methods.It not only retains the adaptive advantages of twining grasping but also improves the grasping force.First,based on the mechanical characteristics of the multi-stem twining of the gripper,the twining grasping model is developed.Then,the force on the fiber is deduced by using the twining theory,and the axial force of the gripper is analyzed based on the equivalent model of the rubber ring.Finally,the torsion experiments of fibers and the grasping experiments of the gripper are designed and conducted.The torsion experiment of fibers verifies the influence of a different number of fiber ropes and fiber torque on the grasping force,and the grasping experiment reflects the large load of the gripper and the high adaptability and practicability under different tasks. | Yu Shan Yanzhi Zhao Hongnian Yu Changlei Pei Zhaopeng Jin Yue Sun | 2023 | Journal of Bionic Engineering2023，20，5： | 0 |
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