18 Result(s)
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Article
High spectral efficiency 4-mode 400-km transmission using hybrid probabilistically and geometrically shaped 128QAM
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Article
Open AccessA 3D-printed microhemispherical shell resonator with electrostatic tuning for a Coriolis vibratory gyroscope
The emergence of microhemispherical resonant gyroscopes, which integrate the advantages of exceptional stability and long lifetime with miniaturization, has afforded new possibilities for the development of wh...
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Article
Ground settlement caused by pipe-roof pre-construction method: Effect of the sequence of jacking pipe groups
Based on the Taiyuan Railway Station underpass tunnel project, the influence of construction process of closed pipe-roof pre-construction structures on the ground settlement was investigated. Numerical simulat...
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Article
Study on stability mechanism and control techniques of surrounding rock in gob-side entry retaining with flexible formwork concrete wall
Gob-side entry retaining (GER) is a technique in non-pillar mining, which maintains the original mining roadway along the edge of gob and retains it as a mining roadway for the subsequent working face. This te...
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Article
Photovoltaic, thermoelectric and electromagnetic generation technologies applied in power systems for mobile unmanned systems
Unmanned systems are increasingly adopted in various fields, becoming an indispensable technology in daily life. Power systems are the lifeblood of unmanned systems, and affect the working time and task comple...
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Article
Mechanical properties of deep sandstones under loading rate effect
The advance speed of the working face in coal mines can significantly affect the fluctuation frequency of abutment pressure in front of the coal body. Moreover, it has a certain correlation with the change of ...
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Article
High-performance spherical LiVPO4F/C cathode enabled by facile spray pyrolysis
LiVPO4F suffers problems of difficulty in synthesis and poor conductivity. To solve these, herein sub-micro spherical LiVPO4F/C is synthesized from a highly-reactive hollow VPO4/C sphere that is derived from a fa...
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Article
Intelligent and connected vehicles: Current status and future perspectives
Intelligent connected vehicles (ICVs) are believed to change people’s life in the near future by making the transportation safer, cleaner and more comfortable. Although many prototypes of ICVs have been develo...
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Article
Multi-functional stretchable and flexible sensor array to determine the location, shape, and pressure: Application in a smart robot
The rapid increase in the aging population prompts the development of wearable devices and sophisticated robots. With their ability to collect complex information about their surroundings via e-skins, robots c...
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Article
A simulation system to hide dynamic objects selectively at visible wavelengths
Currently, invisibility devices are increasingly approaching practical application requirements, such as using easily obtained materials for construction and hiding dynamic objects. Here, using phase retrieval...
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Article
Mimicking natural paragenetic semiconducting minerals MoS2/sphalerite: A simple method to fabricate visible-light photocatalyst
Natural paragenetic semiconducting minerals give important hints for fabricating stable and effective photocatalysts, which can be widely used in solar energy harvest and pollution control. To enhance the phot...
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Article
Nodeless pairing in superconducting copper-oxide monolayer films on Bi2Sr2CaCu2O8+δ
The pairing mechanism of high-temperature superconductivity in cuprates remains the biggest unresolved mystery in condensed matter physics. To solve the problem, one of the most effective approaches is to inv...
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Article
Corrosion behavior of 907 steel under thin electrolyte layers of artificial seawater
The corrosion behavior of 907 steel under thin electrolyte layer (TEL) has been investigated by means of cathodic polarization curve measurement, electrochemical impedance spectroscopy (EIS) and scanning elect...
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Article
Open AccessThe effect of nanohybrid materials on the pour-point and viscosity depressing of waxy crude oil
The pipeline transportation of waxy crude oil is a problem both at home and abroad. In this paper, a novel nanohybrid pour-point depressant (PPD) was used to decrease the pour point and viscosity of waxy crude...
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Article
Anisotropic plastic deformation behavior of as-extruded ZK60 magnesium alloy at room temperature
The anisotropic plastic deformation behavior of as-extruded ZK60 magnesium alloy at room temperature (RT) was investigated by compressive and tensile testing in different directions, i.e. the loading axis orie...
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Article
N-terminal of L protein of vesicular stomatitis virus contains a new signal sequence
The L protein (241 kD) of vesicular stomatitis virus (VSV) is the most important subunit of the replication complex. The existence of specific localization signal in the L protein was investigated by making re...
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Article
Optical heterodyne-Zeeman modulation magnetic rotation spectroscopic technique
Optical heterodyne detection using 500 MHz phase modulation was combined with the Zeeman modulation-magnetic rotation spectroscopy (ZM-MRS) to form a new spectroscopic technique, which effectively reduced the ...
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Article
Shear-wave splitting and anisotropy in crust of Dabieshan orogenic belt
The shear-wave splitting was analyzed on the deep seismic sounding profile crossing the Dabieshan area. The direction difference between Sg and SmS fast wave polarization indicates that the modem regional tect...
