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| 1 | The enhanced X-ray Timing and Polarimetry mission—eXTP显示文摘In this paper we present the enhanced X-ray Timing and Polarimetry mission—eXTP. eXTP is a space science mission designed to study fundamental physics under extreme conditions of density, gravity and magnetism. The mission aims at determining the equation of state of matter at supra-nuclear density, measuring effects of QED, and understanding the dynamics of matter in strong-field gravity. In addition to investigating fundamental physics, eXTP will be a very powerful observatory for astrophysics that will provide observations of unprecedented quality on a variety of galactic and extragalactic objects. In particular, its wide field monitoring capabilities will be highly instrumental to detect the electro-magnetic counterparts of gravitational wave sources.The paper provides a detailed description of:(1) the technological and technical aspects, and the expected performance of the instruments of the scientific payload;(2) the elements and functions of the mission, from the spacecraft to the ground segment. | ShuangNan Zhang Andrea Santangelo Marco Feroci YuPeng Xu FangJun Lu Yong Chen Hua Feng Shu Zhang Sφren Brandt Margarita Hernanz Luca Baldini Enrico Bozzo Riccardo Campana Alessandra De Rosa YongWei Dong Yuri Evangelista Vladimir Karas Norbert Meidinger Aline Meuris Kirpal Nandra Teng Pan Giovanni Pareschi Piotr Orleanski QiuShi Huang Stephane Schanne Giorgia Sironi Daniele Spiga Jiri Svoboda Gianpiero Tagliaferri Christoph Tenzer Andrea Vacchi Silvia Zane Dave Walton ZhanShan Wang Berend Winter Xin Wu Jean J.M.in't Zand Mahdi Ahangarianabhari Giovanni Ambrosi Filippo Ambrosino Marco Barbera Stefano Basso Jörg Bayer Ronaldo Bellazzini Pierluigi Bellutti Bruna Bertucci Giuseppe Bertuccio Giacomo Borghi XueLei Cao Franck Cadoux Francesco Ceraudo TianXiang Chen Yu Peng Chen Jerome Chevenez Marta Civitani Wei Cui WeiWei Cui Thomas Dauser Ettore Del Monte Sergio Di Cosimo Sebastian Diebold Victor Doroshenko Michal Dovciak YuanYuan Du Lorenzo Ducci QingMei Fan Yannick Favre Fabio Fuschino JoséLuis Ga'lvez Min Gao MingYu Ge Olivier Gevin Marco Grassi QuanYing Gu YuDong Gu DaWei Han Bin Hong Wei Hu Long Ji ShuMei Jia WeiChun Jiang Thomas Kennedy Ingo Kreykenbohm Irfan Kuvvetli Claudio Labanti Luca Latronico Gang Li MaoShun Li Xian Li Wei Li ZhengWei Li Olivier Limousin HongWei Liu XiaoJing Liu Bo Lu Tao Luo Daniele Macera Piero Malcovati Adrian Martindale Malgorzata Michalska Bin Meng Massimo Minuti Alfredo Morbidini Fabio Muleri Stephane Paltani Emanuele Perinati Antonino Picciotto Claudio Piemonte JinLu Qu Alexandre Rachevski Irina Rashevskaya Jerome Rodriguez Thomas Schanz ZhengXiang Shen LiZhi Sheng JiangBo Song LiMing Song Carmelo Sgro Liang Sun Ying Tan Phil Uttley Bo Wang DianLong Wang GuoFeng Wang Juan Wang LangPing Wang YuSa Wang Anna L.Watts XiangYang Wen Jörn Wilms ShaoLin Xiong JiaWei Yang Sheng Yang YanJi Yang Nian Yu WenDa Zhang Gianluigi Zampa Nicola Zampa Andrzej A.Zdziarski AiMei Zhang ChengMo Zhang Fan Zhang Long Zhang Tong Zhang Yi Zhang XiaoLi Zhang ZiLiang Zhang BaoSheng Zhao ShiJie Zheng Yu Peng Zhou Nicola Zorzi J.Frans Zwart | 2019 | Science China(Physics,Mechanics & Astronomy)2019，62，2： | 11 |
| 2 | Dynamic characteristics of an intestine capsule robot with variable diameter显示文摘This paper proposes an intestine capsule robot with variable diameter. It is driven by external rotating magnetic field and has the function of automatic radial clearance compensation. An external magnetic field generating device and a capsule robot with variable diameter are developed. Radial dynamic balance equation and kinematics equation of the capsule robot traveling inside flexible elasto-wall environment are established, and dynamic characteristics of the capsule robot inside flexible elasto-wall pipe and rigid wall pipe environments are analyzed and compared. Simulations and experiment results show that its dynamic characteristics in both pipes are almost the same. Under the action of radial clearance compensation, fluid dynamic pressure around outer surface of the capsule robot and its propulsion, as well as its adaptability to diameter change range, are significantly improved. Its propulsion and moving speed are controlled by adjusting rotating angular speed of the rotating magnetic field. This innovative capsule robot with radial clearance compensation has a promising prospect for inside intricate gastrointestinal (GI) tract in non-invasive therapy applications. | ZHANG YongShun JIANG ShengYuan ZHANG XueWen YU HongHai WANG DianLong GUO DongMing | 2010 | Chinese Science Bulletin2010，55，17： | 11 |
| 3 | THEORY AND EXPERIMENTAL INVESTIGAION OF FLEXURAL WAVE PROPAGATION IN THIN RECTANGULAR PLATE WITH PERIODIC STRUCTURE显示文摘With the idea of the phononic crystals, a thin rectangular plate with two-dimensional peri-odic structure is designed. Flexural wave band structures of such a plate with infinite structure arecalculated with the plane-wave expansion (PWE) method, and directional band gaps are found in theΓX direction. The acceleration frequency response in the ΓX direction of such a plate with finitestructure is simulated with the finite element method and verified with a vibration experiment. Thefrequency ranges of sharp drops in the calculated and measured acceleration frequency responsecurves are in basic agreement with those in the band structures. Thin plate is a widely used componentin the engineering structures. The existence of band gaps in such periodic structures gives a new ideain vibration control of thin plates. | Wen Jihong Yu Dianlong Wang Gang Zhao Hongang Liu Yaozong | 2005 | Chinese Journal of Mechanical Engineering2005，18，3： | 4 |
| 4 | Characteristics of spatial magnetic torque of an intestine capsule micro robot with a variable diameter显示文摘A drive and control method is put forward for a variable diameter capsule micro robot to screw forward in intestine using magnetic coupling between an inner actuator inside the robot and the rotational magnetic field generated by a rotating outer actuator. The structures of the outer and inner actuators are magnet cylinders with multiple magnetic poles in tegular shape alternating with dissimilar radial magnetization. An universal mathematical model of magnetic torque at eccentric state is established based on the equivalent magnetic charge method, and the characteristics of magnetic torque with respect to structural parameters of actuators are theoretically studied. Experiments show that the driving method features advantages such as powerful magnetic torque, high safety, reliability, etc. The driving ability of the variable diameter capsule micro robot is greatly improved by its automatic radial clearance compensation. The magnetic drive system has a promising prospect of medical applications in intestine. | ZHANG YongShun YUE Ming GUO DongMing WANG DianLong YU HongHai JIANG ShengYuan ZHANG XueWen | 2009 | Science China(Technological Sciences)2009，52，7： | 2 |
| 5 | Study on the vibration band gap and vibration attenuation property of phononic crystals显示文摘Phononic crystals (PCs) are functional materials with periodic structures and elas- tic wave (vibration) band gaps, where propagation of vibrations with frequencies within band gaps is forbidden. PCs with finite periods can restrain the propagation of vibrations with frequencies in band gaps and thus has vibration attenuation property. Worldwide, many institutions and researchers are engaged in the re- search of PCs, however, studies on the vibration attenuation property of PCs are still limited. In this paper, we report our study of band gaps and vibration attenua- tion properties of 1) a simplified PC—periodic mass-spring structures, 2) longitu- dinal vibration of one-dimensional (1D-), 2D-, 3D-PCs, and 3) the flexural vibration of 1D- and 2D-PCs. These studies provide a foundation for the applications of PCs in vibration attenuation. | WEN JiHong WANG Gang YU DianLong ZHAO HongGang LIU YaoZong WEN XiSen | 2008 | Science China(Technological Sciences)2008，51，1： | 2 |
| 6 | Propagation of flexural wave in periodic beam on elastic foundations显示文摘 | Dianlong Yu Jihong Wen Huijie Shen Yong Xiao Xisen Wen | 2011 | Physics Letters A2011，，4： | 1 |
| 7 | Vibration reduction by using the idea of phononic crystals in a pipe-conveying fluid显示文摘 | YU Dianlong WEN Jihong ZHAO Honggang | 2008 | Journal of Sound and Vibration2008，318，25： | 1 |
| 8 | One-dimen sional phoronic crystals with locally resonant struc- tures显示文摘 | WAN(} Gang YU Dianlong WEN Jihong | 2004 | Physics Letters A2004，327，56： | 1 |
| 9 | One-dimensional phononic crystals with locally resonant structures显示文摘 | Wang Gang Yu Dianlong Wen Jihong | | 0，，5： | 1 |
| 10 | Theoretical study of two-dimensional phononic crystals with viscoelasticity based on fractional derivative mod- els显示文摘 | LIU Yaozong YU Dianlong ZHAO Honggang | 2008 | Journal of Physics: D Applied Physics2008，41，06： | 1 |
| 11 | One-dimensional phononic crystals with locally resonant structures显示文摘 | WANG Gang YU Dianlong WEN Jihong | 2004 | Physics Letter A2004，327，： | 1 |
| 12 | One-dimensional phononic crystals with locally resonant structures显示文摘 | Wang Gang Yu Dianlong Wen Jihong | 2004 | Phys Lett A2004，327，56： | 1 |
| 13 | One- di- mensional phononic crystals with locally resonant structures显示文摘 | WANG Gang YU Dianlong WEN Jihong | 2004 | Physics Letters A2004，327，56： | 1 |
| 14 | Onedimensional phononic crystals with locally resonant structures显示文摘 | WANG Gang YU Dianlong WEN Jihong | 2004 | Physics Letters A2004，327，56： | 1 |
| 15 | One-dimensional phononic crystals with locally resonant structures显示文摘 | Wang Gang Yu Dianlong Wen Jihong | | 0，，5： | 1 |
| 16 | One-dimensional phononic crystals with locally resonant structures显示文摘 | WANG Gang YU Dianlong WEN Jihong | 2004 | Physics Letters A2004，327，56： | 1 |
| 17 | One-dimensional phononic crystals with locally resonant structures显示文摘 | Wang Gang Yu Dianlong Wen Jihong | 2004 | Physics Letters A2004，327，56： | 1 |
| 18 | One-dimensional phononic crystals with locally resonant structures显示文摘 | WANG Gang YU Dianlong WEN Jihong | 2004 | Physics Letters A2004，327，56： | 1 |
| 19 | Complete flexural vibration band gaps in membrane-like lattice structures显示文摘 | YU Dianlong LIU Yaozong QIU Jing | 2006 | Physics LettersA2006，357，： | 1 |
| 20 | FLEXURAL VIBRATIONS BAND GAPS IN PERIODIC BEAMS INCLUDING ROTARY INERTIA AND SHEAR DEFORMATION EFFECTS显示文摘与 phononic 晶体的想法,有周期的结构的横梁被设计。通过由二种材料组成的如此的周期的横梁的曲折颤动被学习。强调在旋转惯性的效果上被生并且砍变丑。基于颤动方程,飞机波浪扩大方法被提供。有有限结构的如此的横梁的加速频率回答被有限元素方法模仿。在计算加速频率反应曲线的锋利的落下的频率范围在对在乐队结构的那些的好同意。调查结果将在周期的横梁的申请是重要的。 | YU Dianlong WEN Jihong LIU Yaozong QIU Jing WANG Gang | 2006 | Chinese Journal of Mechanical Engineering2006，19，1： | 1 |
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