-
Article
Open AccessHigh-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...
-
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...
-
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...
-
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...
-
Article
Open AccessPrognosis 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...
-
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:
-
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...
-
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...
-
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 ...
-
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...
-
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...
-
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.
-
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...
-
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...
-
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...
-
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.
-
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...