Xingkai Zhang
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View article: Quantum Behavior of 10D Planck Unit: Stationary Electron, Compton Photon and Gravitational Field
Quantum Behavior of 10D Planck Unit: Stationary Electron, Compton Photon and Gravitational Field Open
This work focuses on the origin of electrons, Compton photons and a gravitational field. Based on the discovered 10D Planck units, the physical behavior of these units was further studied in isolated systems. Investigation shows that a 10D…
View article: Cobalt occurrence and enrichment of the Kendekeke cobalt-rich Fe skarn deposit in the East Kunlun orogenic belt, western China
Cobalt occurrence and enrichment of the Kendekeke cobalt-rich Fe skarn deposit in the East Kunlun orogenic belt, western China Open
View article: Comprehensive Analysis of 50 Edible Flowers From Yunnan Province: Active Components, Antioxidant Capacity, Tyrosinase Inhibition, and Antimicrobial Activity
Comprehensive Analysis of 50 Edible Flowers From Yunnan Province: Active Components, Antioxidant Capacity, Tyrosinase Inhibition, and Antimicrobial Activity Open
Edible flowers are widely consumed for their potential health benefits. This study assessed the active components and in vitro antioxidant properties of 50 edible flowers from Yunnan to explore their potential uses. A 70% ethanol extract w…
View article: Geochemistry of cassiterite and skarn minerals as indicators for formation mechanism and fluid evolution of the newly discovered Jinshui skarn tin deposit in the East Kunlun orogenic belt, NW China
Geochemistry of cassiterite and skarn minerals as indicators for formation mechanism and fluid evolution of the newly discovered Jinshui skarn tin deposit in the East Kunlun orogenic belt, NW China Open
View article: Research on Emergency Rescue Scheme Based on Multi-Objective Material Dispatching of Heavy-Haul Railway
Research on Emergency Rescue Scheme Based on Multi-Objective Material Dispatching of Heavy-Haul Railway Open
It is particularly important to improve the emergency rescue response ability of heavy-haul railways to ensure the safety of personnel and the efficiency of material transportation. The current research has achieved some results for multi-…
View article: Cobalt layer prepared on copper using galvanic replacement as an alternative to palladium for activating electroless Ni-P plating
Cobalt layer prepared on copper using galvanic replacement as an alternative to palladium for activating electroless Ni-P plating Open
Electroless nickel-phosphorus (Ni-P) plating is a widely used surface treatment method due to its excellent corrosion and wear resistance properties. However, the inertness of copper to hypophosphite oxidation necessitates a palladium acti…
View article: Experimental Evaluation of Anticorrosion of a Standard 20# Gathering Pipeline by Injecting Oxygen-Reduced Air into Simulated In-Service Wells
Experimental Evaluation of Anticorrosion of a Standard 20# Gathering Pipeline by Injecting Oxygen-Reduced Air into Simulated In-Service Wells Open
Oxygen-reduced air flooding (ORAF) can effectively improve oil recovery in low-permeability reservoirs, but oxygen corrosion and CO2 corrosion in downstream gathering pipelines are inevitable due to the existence of oxygen, which limits th…
View article: Comprehensive Analysis of 50 Edible Flowers in Yunnan Province, Emphasizing Their Active Components, Antioxidant Capacity, Tyrosinase Inhibition Activity and Antimicrobial Activity
Comprehensive Analysis of 50 Edible Flowers in Yunnan Province, Emphasizing Their Active Components, Antioxidant Capacity, Tyrosinase Inhibition Activity and Antimicrobial Activity Open
View article: A Novel Method for Determining the Void Fraction in Gas-Liquid Multi-Phase Systems Using a Dynamic Conductivity Probe
A Novel Method for Determining the Void Fraction in Gas-Liquid Multi-Phase Systems Using a Dynamic Conductivity Probe Open
Conventional conductivity methods for measuring the void fraction in gas-liquid multiphase systems are typically affected by accuracy problems due to the presence of fluid flow and salinity.This study presents a novel approach for determin…
View article: A New Device for Gas-Liquid Flow Measurements Relying on Forced Annular Flow
A New Device for Gas-Liquid Flow Measurements Relying on Forced Annular Flow Open
A new measurement device, consisting of swirling blades and capsule-shaped throttling elements, is proposed in this study to eliminate typical measurement errors caused by complex flow patterns in gas-liquid flow.The swirling blades are us…
View article: Construction of Low Li-Ion Transfer Tortuosity and Elastic Channels for Electrode-Electrolyte Gap in All-Solid-State Lithium-Sulfur Batteries
Construction of Low Li-Ion Transfer Tortuosity and Elastic Channels for Electrode-Electrolyte Gap in All-Solid-State Lithium-Sulfur Batteries Open
View article: Construction of Synergistic Elastic and Conductive Channels for Electrode-Electrolyte Interface In All-Solid-State Lithium–Sulfur Batteries
Construction of Synergistic Elastic and Conductive Channels for Electrode-Electrolyte Interface In All-Solid-State Lithium–Sulfur Batteries Open
View article: A revisit to the curve shortening flow
A revisit to the curve shortening flow Open
In this paper, we give an alternative proof for the longtime behavior of classical curve shortening flow by using support function to estimate the curvature of evolving curves after an area-preserving rescaling, and then showing the conver…
View article: A New Distribution Method for Wet Steam Injection Optimization
A New Distribution Method for Wet Steam Injection Optimization Open
A new approach and a new related distribution system are proposed to address the issue of uneven steam injection caused by the different suction capacities of the used wells during the application of steam "stimulation" methods for enhance…
View article: Numerical Investigation of the Influence of a Splitter Plate on Mixing Transfer in the Ducts of a Rotary Energy Recovery Device
Numerical Investigation of the Influence of a Splitter Plate on Mixing Transfer in the Ducts of a Rotary Energy Recovery Device Open
The rotary energy recovery device (RERD) is integral in reducing energy consumption in desalination processes. The absence of a physical piston in RERD ducts allows salinity transfer from the brine to the seawater stream, which reduces RER…
View article: Study on the Corrosion Mechanism of N80 Steel in Simulated Oxygen-Reduced Air Drive Production Wellbores
Study on the Corrosion Mechanism of N80 Steel in Simulated Oxygen-Reduced Air Drive Production Wellbores Open
In order to investigate the corrosion behavior of N80 steel in production wellbores of oxygen-reduced air drive, the main corrosion control factors are analyzed based on gray relational analysis. Taking reservoir simulation results as indo…
View article: Research on the evolution law of the seismic wave field based on the explosive source parameters
Research on the evolution law of the seismic wave field based on the explosive source parameters Open
We present a numerical model for blast-induced seismic waves. This model is based on the transformation mechanism of the seismic wave field, and the process of the seismic wave’s generation is divided into two stages. The first stage is th…
View article: An Integrated Quantitative Risk Assessment Method for Underground Engineering Fires
An Integrated Quantitative Risk Assessment Method for Underground Engineering Fires Open
Fires are one of the main disasters in underground engineering. In order to comprehensively describe and evaluate the risk of underground engineering fires, this study proposes a UEF risk assessment method based on EPB-FBN. Firstly, based …
View article: Physiological response and transcriptome profiling reveal phosphate-mediated amelioration of arsenic accumulation and toxicity in Panax notoginseng
Physiological response and transcriptome profiling reveal phosphate-mediated amelioration of arsenic accumulation and toxicity in Panax notoginseng Open
Panax notoginseng is an important medical plant and is widely used in clinical treatment in China. However, the arsenic (As) contamination in taproots of P. notoginseng has not been effectively solved in main planting areas that would be a…
View article: Experimental Analysis of the Flow Characteristics of an Adjustable Critical-Flow Venturi Nozzle
Experimental Analysis of the Flow Characteristics of an Adjustable Critical-Flow Venturi Nozzle Open
The response of an adjustable critical-flow Venturi nozzle is investigated through a set indoor experiments aimed to determine the related critical flow rate, critical pressure ratio, and discharge coefficient. The effect of a variation in…
View article: Experimental study on erosion and wear law of metal screen under spraying condition
Experimental study on erosion and wear law of metal screen under spraying condition Open
It is very important for the safe production of sand producing oil and gas wells to make clear the erosion law of sand control screen pipe. The experiment of erosion law of metal mesh under two working conditions of blockage and non-blocka…
View article: The impact of the spatio-temporal morphology of urban green infrastructure on urban building energy consumption: A case study in the hot-summer-cold-winter climate
The impact of the spatio-temporal morphology of urban green infrastructure on urban building energy consumption: A case study in the hot-summer-cold-winter climate Open
Studies have confirmed that urban green infrastructure (UGI) profoundly impacts urban building energy consumption by regulating urban microclimate, providing shading to buildings, and other mechanisms. This impact is largely dependent on t…
View article: Liquid/solid flow field in a centrifugal pump with different impeller blade types by PIV
Liquid/solid flow field in a centrifugal pump with different impeller blade types by PIV Open
In this study, a non-stirred Particle Image Velocimetry (PIV) testing device is developed to measure the flow field in a solid–liquid two-phase centrifugal pump. The pump casing and impeller are made of an organic glass material. Two types…
View article: Study on the Pressure Drop Variation and Prediction Model of Heavy Oil Gas-Liquid Two-Phase Flow
Study on the Pressure Drop Variation and Prediction Model of Heavy Oil Gas-Liquid Two-Phase Flow Open
To explore the pressure drop variation with the viscosity of heavy oil gas-liquid two-phase flow, experiments with different viscosity gas-liquid two-phase flows are carried out. The experimental results show that the total pressure drop i…
View article: Experimental Study on the Flow Characteristics of a Plate with a Mechanically Choked Orifice
Experimental Study on the Flow Characteristics of a Plate with a Mechanically Choked Orifice Open
The mechanically choked orifice plate (MCOP) is a new type of device for flow control by which choking conditions for incompressible fluids can be obtained with relatively small pressure losses. Given the lack of relevant results and data …
View article: PIV test of the flow field of a centrifugal pump with four types of impeller blades
PIV test of the flow field of a centrifugal pump with four types of impeller blades Open
Flow fields for various impellers were measured using water and a two-phase liquid–solid mixture with a particle image velocimetry system in a centrifugal rotating frame in controlled conditions. After measuring absolute velocity vectors i…
View article: Experimental study on energy consumption of mechanical vapor recompression evaporation method for recovery of water from oily wastewater
Experimental study on energy consumption of mechanical vapor recompression evaporation method for recovery of water from oily wastewater Open
View article: An Analysis of Optimum Thickness of Inverted Filter Layer Made by Manufactured Sand
An Analysis of Optimum Thickness of Inverted Filter Layer Made by Manufactured Sand Open
The soil stability problem caused by seepage is a hot issue in geotechnical engineering, which is widely existed in natural and artificial slope, embankment, earth-rock dam and other projects. The traditional seepage calculation only consi…
View article: Study on multi-arch tunnel leakage disease with influence of rainfall and groundwater change
Study on multi-arch tunnel leakage disease with influence of rainfall and groundwater change Open
It is known that the tunnel leakage is significantly affected by precipitation, for example the seasonal rainfall and the groundwater level change, which reduce the effective stress and the shear strength of the surrounding rocks, resultin…
View article: Influence of Logging Instrument Drag on Temperature Distribution inHorizontal Gas Wells
Influence of Logging Instrument Drag on Temperature Distribution inHorizontal Gas Wells Open
In order to clarify the influence of the instrument’s own drag on the temperature distribution in the horizontal gas wellbore in temperature logging. By constructing an indoor gas-liquid two-phase horizontal tube flow platform, the effects…