Skip to main content

and
  1. Article

    Open Access

    High-speed train timetable optimization based on space–time network model and quantum simulator

    Timetable scheduling is a combinatorial optimization problem that presents formidable challenges for classical computers. This paper introduces a pioneering methodology for addressing the high-speed train time...

    Hui-Zhang Xu, Jun-Hua Chen, **ng-Chen Zhang, Te-Er Lu in Quantum Information Processing (2023)

  2. No Access

    Article

    Experimental Research on A New Type of Floating Breakwater for Wave-Absorbing and Energy-Capturing

    To avoid the damage caused by big wind and wave in cage culture, and to solve the problem of energy supply faced by automatic breeding equipment, a new type of floating breakwater, named as Savonius double buo...

    Fang-** Huang, Kai Gong, Zuo-shi Liu, Jun-hua Chen in China Ocean Engineering (2020)

  3. No Access

    Article

    Hydrodynamic Study on Energy Capturing Performance of Horizontal Axis Blades Under Sub-Low Speed Tidal Current

    The research on the hydrodynamics of blades is mainly focused on sea areas with high-speed current. However, the average velocity in most territorial waters of China is smaller than 1 m/s, and the lift type of...

    Ru-jun Gao, Jun-hua Chen, Jun-jie Zhang, Si-yu Zhou, Hua-fei Xu in China Ocean Engineering (2020)

  4. No Access

    Article

    Introduction and analysis of a strain-softening damage model for soil–structure interfaces considering shear thickness

    A damage strain softening model for predicting the shear behavior of soil–structure interfaces is presented. The damage model, which contains only four parameters (i.e., undamaged shear modulus G′, damage evoluti...

    Yao Long, Jun-hua Chen, Jia-sheng Zhang in KSCE Journal of Civil Engineering (2017)

  5. Article

    Open Access

    Prognosis of psychomotor and mental development in premature infants by early cranial ultrasound

    It is of high incidence of brain injuries in premature infants, so it is necessary to diagnose and treat the brain injury early for neonatal clinical practice. We are aimed to investigate the relationship betw...

    Yang Duan, Fu-qiang Sun, Yue-qin Li, Sheng-shun Que in Italian Journal of Pediatrics (2015)

  6. No Access

    Article

    On the entangled fractional squeezing transformation

    We propose an entangled fractional squeezing transformation (EFrST) generated by using two mutually conjugate entangled state representations with the following operator:

    Hong-Yi Fan, Jun-Hua Chen, Peng-Fei Zhang in Frontiers of Physics (2015)

  7. No Access

    Article

    On the core of the fractional Fourier transform and its role in composing complex fractional Fourier transformations and Fresnel transformations

    By a quantum mechanical analysis of the additive rule F α[F β[f]]=F α+β[f], which the fractional Fourier transformation (FrFT) F α[f] should satisfy...

    Hong-Yi Fan, Jun-Hua Chen in Frontiers of Physics (2015)

  8. No Access

    Article

    New Two-Mode Canonical Operator Realization of Angular Momentum and Generalized Fractional Fourier Transformation Obtained via Entangled State Representation

    By virtue of two mutually conjugate bipartite entangled state representations |η〉 and |ξ〉 (Fan and Klauder, Phys Rev A 49:704, 1994) we find new canonical operator realization (COR) of angular momentum. As its tw...

    Hong-yi Fan, Jun-hua Chen, Sen-yue Low in International Journal of Theoretical Physics (2014)

  9. No Access

    Article

    Evolution law of Wigner function in laser process

    Based on the density operator’s operator-sum representation recently obtained by Fan and Hu for a laser process (Opt. Commun., 2008, 281: 5571; Opt. Commun., 2009, 282: 932; Phys. Lett. B, 2008, 22: 2435), we ...

    Rui He, Jun-Hua Chen, Hong-Yi Fan in Frontiers of Physics (2013)

  10. No Access

    Article

    Entanglement Rule of Wigner Operators at a Beamsplitter

    It is known that beamsplitter can be used to produce quantum entanglement, in this paper we examine this topic from the point of view of Wigner operators. Using Weyl-ordering of the Wigner operator and the Wey...

    Jun-hua Chen, Hong-yi Fan, Xu-bing Tang in International Journal of Theoretical Physics (2012)

  11. No Access

    Article

    Virial Theorem for Angular Displacement and Torque

    The usual Virial theorem is expressed through the coordinate and the force, $2\langle T\rangle =\langle X\frac{dV}{dX}\rangle =-\langle XF\ran...

    Nian-quan Jiang, Hong-yi Fan, Shuai Wang in International Journal of Theoretical Physi… (2011)

  12. Article

    Derivatives of (phenylsulfonamido-methyl)nicotine and (phenylsulfonamido-methyl)thiazole as novel 11β-hydroxysteroid dehydrogenase type 1 inhibitors: synthesis and biological activities in vitro

    To design and synthese a novel class of 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) inhibitors, featuring the (phenylsulfonamido-methyl)pyridine and (phenylsulfonamido-methyl)thiazole framework.

    Xu Zhang, Yang Zhou, Yu Shen, Li-li Du, Jun-hua Chen in Acta Pharmacologica Sinica (2009)

  13. No Access

    Article

    Research in non-equalization machining method for spatial cam

    Many kinds of devices with cam have been widely used in various mechanical equipments. However, non-equalization machining for spatial cam trough remains to be a difficult problem. This paper focuses on the an...

    Jun-hua Chen, Yi-jie Wu in Journal of Zhejiang University-SCIENCE A (2008)

  14. No Access

    Article

    Analysis of 3D curve expansion of conical cam with oscillating tapered roller follower

    This paper focuses on the analysis of running conditions and machining processes of conical cam with oscillating follower. We point out the common errors existing in the design and machining of the widely used...

    Jun-hua Chen, Yi-jie Wu in Journal of Zhejiang University-SCIENCE A (2007)

  15. No Access

    Article

    Research on control method for machining non-cylinder pin hole of piston

    The control method for machining non-cylinder pin hole of piston was studied systematically. A new method was presented by embedding giant magnetostrictive material (GMM) into the tool bar proper position. The...

    Yi-jie Wu, Hong-bin Leng, Zhang-rong Zhao in Journal of Zhejiang University-SCIENCE A (2006)

  16. Article

    Swietenia mahagony extract shows agonistic activity to PPAR γ and gives ameliorative effects on diabetic db/db mice

    To search the peroxisome proliferator-activated receptor γ (PPARγ) agonists from Swietenia mahagony extract (SmE) and observe the possible ameliorative effects of SmE on diabetic db/db mice.

    Dan-dan Li, Jun-hua Chen, Qing Chen, Guo-wei Li, **g Chen in Acta Pharmacologica Sinica (2005)

  17. No Access

    Article

    Study of techniques of identifying the earthquake precursory anomalies in terms of mathematical modeling

    This paper deals mainly with the key technique of identifying the anomalous signals without distortion, which might be the precursors associated with earthquakes, from the real time series of observations that...

    Zun-guo Yan, Jia-dong Qian, Jun-hua Chen, Sheng-le Li in Acta Seismologica Sinica (2000)