17 Result(s)
within
Zhi** Shi
Engineering, general
-
Article
Research on Dammann grating metasurface based on Moiré effect
Traditional metasurfaces, once designed and manufactured, are fixed in function and difficult to change. In order to realize the dynamically tunable metasurfaces, scientists have proposed different technical s...
-
Article
Plugging Mechanism of Upper and Lower Tip of Hydraulic Fracture in Tight Sandstone Reservoir
Plugging upper and lower tips of hydraulic fracture by forming artificial barrier with diverting agent is as an effective method to prevent hydraulic fracture height from extending excessively. This work, obta...
-
Article
In situ growth of NiS2 nanosheet array on Ni foil as cathode to improve the performance of lithium/sodium-sulfur batteries
The NiS2 nanosheet array on Ni foil (NiS2/NF) was prepared using an in situ growth strategy and sulfidation method and was used as the cathode of lithium sulfur battery. The unique nanostructure of the NiS2 nanos...
-
Article
Three-dimensional hierarchical Ca3Co4O9 hollow fiber network as high performance anode material for lithium-ion battery
Transition metal oxides have high specific capacity as anode materials for lithium-ion battery. But aggregation of particles and volume expansion during lithiation/delithiation restrict their application. In t...
-
Article
Effects of CO2 gassy-supercritical phase transition on corrosion behaviors of carbon steels in saturated vapor environment
Corrosion behaviors of P110 and N80 tubular steels in CO2 gas phase and supercritical (S-CO2) phase in a saturated water vapor environment were explored in corrosion weight loss experiments by SEM, EDS, XRD, XPS ...
-
Article
Three-dimensional graphene-wrapped porous carbon/sulfur composite for cathode of lithium–sulfur battery
Lithium–sulfur battery with high theoretical capacity becomes the subject of recent attention. Its commercial progress is impeded by its poor electrical conductivity and high dissolubility of intermediate prod...
-
Article
Open AccessA Rubik’s microfluidic cube
A Rubik’s cube as a reconfigurable microfluidic system is presented in this work. Composed of physically interlocking microfluidic blocks, the microfluidic cube enables the on-site design and configuration of ...
-
Article
Investigating Mg Biocorrosion In Vitro: Lessons Learned and Recommendations
Magnesium (Mg) alloys are achieving good clinical success in applications as temporary biodegradable medical implants. However, the study of the corrosion in medical environments (biocorrosion) is still ongoin...
-
Article
Propagation of an Airy-Gaussian beam in defected photonic lattices
We investigate numerically that a finite Airy-Gaussian (AiG) beam varies its trajectory and shape in defected photonic lattices. Propagation properties and beam self-bending are controlled with modulation dept...
-
Article
Continuous-wave mid-infrared photonic crystal light emitters at room temperature
Mid-infrared photonic crystal enhanced lead-salt light emitters operating under continuous-wave mode at room temperature were investigated in this work. For the device, an active region consisting of 9 pairs o...
-
Article
Open AccessElectrochemical performance of MCMB/(AC+LiFePO4) lithium-ion capacitors
Lithium-ion capacitors (LICs) were fabricated using mesocarbon microbeads (MCMB) as a negative electrode and a mixture of activated carbon (AC) and LiFePO4 as a positive electrode (abbreviated as LAC). The phase ...
-
Article
Synthesis of polycrystalline γ-AlON powders by novel wet chemical processing
The synthesis of polycrystalline aluminum oxynitride (AlON) powders was investigated by the carbothermal reduction and nitridation (CRN) of amorphous precursor obtained by wet chemical processing. Co-precipita...
-
Article
Plug-In Specimens for Measurement of the Corrosion Rate of Mg Alloys
Magnesium alloy corrosion is often nonlinear. The corrosion rate accelerates to steady state after an initial period of low corrosion. Plug-in specimens permit simultaneous measurement of the corrosion rate us...
-
Article
Phase boundary sliding model controlled by diffusionsolution zone in superplastic deformation
With scanning electron microscope (SEM), the surface morphology of phase boundary sliding (PBS) in superplastic deformation (SPD) of Zn-Al alloy and the diffusion behavior of Zn, Al interfaces in their powers’...
-
Article
Synthesis and antioxidative properties of polyphenol-fullerenes
Fullerene derivatives have exhibited fascinating properties in biological systems. Several antioxidative hindered phenol units were connected to C60 called radical sponge, resulting in its excellent solubility in...
-
Article
Monitoring and assessing method for blasting vibration on open-pit slope in Hainan Iron Mine
A type of velocity sensor CD-1, an auto-recording instrument on blasting vibration YBJ-1 and a random signal and vibration analysis system (CRAS) were used to monitor the particle vibration induced by blasting...
-
Article
Synthesis and magnetic property of a nitroxide based on C60
The compounds containing stable nitroxide radicals possess magnetic properties for the free radical have net magnetic moment. Oxidization of the [60]fulleropyrolidine obtained from the reaction of C60 with diketo...
