Shirui Zhang
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View article: Excavation-induced fracturing mechanisms in deep hard rock: A hierarchical block model
Excavation-induced fracturing mechanisms in deep hard rock: A hierarchical block model Open
View article: Vortex-antivortex dynamics and singularity splitting in engineered composite vortex beams
Vortex-antivortex dynamics and singularity splitting in engineered composite vortex beams Open
We present a comprehensive investigation into the intricate dynamics of vortex-antivortex (V-AV) pairs and the phenomenon of singularity splitting within composite vortex beams (CVBs) engineered by the coaxial superposition of two single-r…
View article: Environmentally friendly NaLuF<sub>4</sub>:Pr@NaYF<sub>4</sub> nanocrystal scintillators for X-ray flexible three-dimensional detection
Environmentally friendly NaLuF<sub>4</sub>:Pr@NaYF<sub>4</sub> nanocrystal scintillators for X-ray flexible three-dimensional detection Open
View article: Transcriptome and Co-Expression Network Analyses of Resistant and Susceptible Rice Cultivars in Response to Meloidogyne graminicola
Transcriptome and Co-Expression Network Analyses of Resistant and Susceptible Rice Cultivars in Response to Meloidogyne graminicola Open
Meloidogyne graminicola represents a significant pathogen of rice, with considerable variability in nematode resistance observed across rice germplasms. However, the gene regulatory networks and molecular mechanisms underlying the differen…
View article: Second-harmonic generation of perfect vortex beams and their transformation characteristics during propagation
Second-harmonic generation of perfect vortex beams and their transformation characteristics during propagation Open
The systematic and comprehensive research on the single-pass second harmonic generation (SHG) of the perfect vortex beam (PVB) under low fundamental wave depletion is reported. Based on Fourier transformation of the Bessel-Gaussian vortex …
View article: The impact of microplastic and sulfanilamide co-exposure on soil microbiota
The impact of microplastic and sulfanilamide co-exposure on soil microbiota Open
Microplastics, as emerging contaminants, can absorb antibiotics, and their coexistence in soil ecosystems poses serious threats to soil health. While previous studies have primarily focused on the individual effects of microplastics or ant…
View article: On three-dimensional system of rational difference equations with second-order
On three-dimensional system of rational difference equations with second-order Open
This work deals with the dynamical features of the system for three-dimensional difference equations \begin{document}$ \left\{ \begin{array}{ll} u_{n+1} = \alpha+\frac{u_{n-1}^q}{v_n^q},& \\ &\\ v_{n+1} = \alpha+\frac{v_{n-1}^q}{w_n^q},& n…
View article: Multi-Band Light Absorption Hydrogel with Adjustable Light Transmission for Smart Window
Multi-Band Light Absorption Hydrogel with Adjustable Light Transmission for Smart Window Open
View article: An Extended Method Based on the Geometric Position of Salient Image Features: Solving the Dataset Imbalance Problem in Greenhouse Tomato Growing Scenarios
An Extended Method Based on the Geometric Position of Salient Image Features: Solving the Dataset Imbalance Problem in Greenhouse Tomato Growing Scenarios Open
Machine vision has significant advantages in a wide range of agricultural applications; however, acquiring a large number of high-quality image resources is often challenging in actual agricultural production due to environmental and equip…
View article: Estimation of Maize Water Requirements Based on the Low-Cost Image Acquisition Methods and the Meteorological Parameters
Estimation of Maize Water Requirements Based on the Low-Cost Image Acquisition Methods and the Meteorological Parameters Open
This study aims to enhance maize water demand calculation. We calculate crop evapotranspiration (ETc) through mobile phone photography and meteorological parameters. In terms of crop coefficient (Kc) calculation, we utilize the mobile phon…
View article: A Watt-Level, High-Quality LG0,±1 Vortex Beam made from a Nd:YVO4 Laser Pumped by an Annular Beam
A Watt-Level, High-Quality LG0,±1 Vortex Beam made from a Nd:YVO4 Laser Pumped by an Annular Beam Open
In this work, we demonstrate a Watt-level, high-quality Laguerre–Gaussian (LG) LG0±1 vortex mode directly output from an end-pumped Nd:YVO4 laser by using an axicon-based annular pump beam. A theoretical model for the annular beam end-pump…
View article: Investigation of stress-induced progressive failure of mine pillars using a Voronoi grain-based breakable block model
Investigation of stress-induced progressive failure of mine pillars using a Voronoi grain-based breakable block model Open
The Voronoi grain-based breakable block model (VGBBM) based on the combined finite-discrete element method (FDEM) was proposed to explicitly characterize the failure mechanism and predict the deformation behavior of hard-rock mine pillars.…
View article: The development of variable system-based internet of things for the solar greenhouse and its application in lettuce
The development of variable system-based internet of things for the solar greenhouse and its application in lettuce Open
The east-west ridge orientation has recently become an important agronomic method to improve mechanization in solar greenhouses. However, these ridge orientation changes shape differences between different ridges in crop water consumption,…
View article: Second-Harmonic Generation of Perfect Vortex Beams and Their Propagation Dynamics
Second-Harmonic Generation of Perfect Vortex Beams and Their Propagation Dynamics Open
View article: Second-Harmonic Generation of Perfect Vortex Beams and Their Propagation Dynamics
Second-Harmonic Generation of Perfect Vortex Beams and Their Propagation Dynamics Open
View article: Generation of Perfect Vortex Beams with Complete Control over the Ring Radius and Ring Width
Generation of Perfect Vortex Beams with Complete Control over the Ring Radius and Ring Width Open
We have experimentally created perfect vortex beams (PVBs) by Fourier transformation of Bessel–Gaussian vortex beams, which are generated by modulating the fundamental Gaussian beam with the spiral phase plates and the axicons, respectivel…
View article: A Hybrid Prediction Model for CatBoost Tomato Transpiration Rate Based on Feature Extraction
A Hybrid Prediction Model for CatBoost Tomato Transpiration Rate Based on Feature Extraction Open
The growth and yield of crops are highly dependent on irrigation. Implementing irrigation plans that are tailored to the specific water requirements of crops can enhance crop yield and improve the quality of tomatoes. The mastery and predi…
View article: Broad bean wilt virus 2 in commelina communis L. in China
Broad bean wilt virus 2 in commelina communis L. in China Open
In the present study transcriptone sequencing and RT-PCR detection of leaf sample of Commelina communis L. were investigated. A diseased leaf sample was selected for transcriptome sequencing and two contigs with lengths of 5845 and 3450 nu…
View article: Broad bean wilt virus 2 in commelina communis L. in China
Broad bean wilt virus 2 in commelina communis L. in China Open
In the present study transcriptone sequencing and RT-PCR detection of leaf sample of Commelina communis L. were investigated. A diseased leaf sample was selected for transcriptome sequencing and two contigs with lengths of 5845 and 3450 nu…
View article: Second-Harmonic Generation of the Vortex Beams with Integer and Fractional Topological Charges
Second-Harmonic Generation of the Vortex Beams with Integer and Fractional Topological Charges Open
The single-pass second-harmonic generation (SHG) of a vortex beam under low fundamental wave depletion is systematically studied. Vortex modes at 1064 nm with integer topological charges from ±1 to ±9 and fractional ones at ±0.75 are gener…
View article: Nonlinear deformation effect of unloading rate on hard rock under different confining pressures
Nonlinear deformation effect of unloading rate on hard rock under different confining pressures Open
In this paper, triaxial loading and unloading tests under different loading and unloading conditions are carried out to explore the deformation and failure characteristics of hard rock marble, and the acoustic emission (AE) information of …
View article: Reducing Emitter Clogging in Drip Fertigation Systems by Magnetization Technology
Reducing Emitter Clogging in Drip Fertigation Systems by Magnetization Technology Open
The issue of emitter clogging is a common phenomenon in drip fertigation systems, which causes uneven irrigation and fertilization. However, efficient and environmentally friendly methods are scarcely available for alleviating clogging. In…
View article: Hexagonal optical lattices formed by coherent interference among three fundamental Gaussian beams with oblique incidence
Hexagonal optical lattices formed by coherent interference among three fundamental Gaussian beams with oblique incidence Open
Hexagonal optical lattices (HOLs) are formed when three beams with oblique incidence coherently interfere with each other. Theoretical model considering the orientation of three fundamental Gaussian beams is established to describe all kin…
View article: Theoretical Analysis of Continuous-Wave Mid-Infrared Optical Vortex Source Generated by Singly Resonant Optical Parametric Oscillator
Theoretical Analysis of Continuous-Wave Mid-Infrared Optical Vortex Source Generated by Singly Resonant Optical Parametric Oscillator Open
Due to the important application in the study of vibrational circular dichroism and helical dichroism of chiral molecules, the tunable vortex beam at mid-infrared region has attracted increasing attention. Based on orbital angular momentum…
View article: Effects of Light Conversion Film on the Growth of Leafy Vegetables in Facilities under Haze Weather
Effects of Light Conversion Film on the Growth of Leafy Vegetables in Facilities under Haze Weather Open
The light intensity is low in haze weather, and the facility is in a weak light environment for a long time. As a functional film, light conversion film (LCF) can improve the light conversion performance and is conducive to regulating the …
View article: Generation and Detection of Optical Vortices with Multiple Cascaded Spiral Phase Plates
Generation and Detection of Optical Vortices with Multiple Cascaded Spiral Phase Plates Open
Spiral phase plate (SPP) is the widely used method in the generation of vortex beam (VB) with fixed topological charges (TCs) for specific wavelength. Although VB with large TCs can be directly generated by using the SPP with high vortex o…
View article: Amplification effect of near-field ground motion around deep tunnels based on finite fracturing seismic source model
Amplification effect of near-field ground motion around deep tunnels based on finite fracturing seismic source model Open
Dynamic failure of rock masses around deep tunnels, such as fault-slip rockburst and seismic-induced collapse, can pose a significant threat to tunnel construction safety. One of the most significant factors that control the accuracy of it…
View article: Influence of the Seismic Wave Velocity of the Damage Zone on Near-Field Ground Motions
Influence of the Seismic Wave Velocity of the Damage Zone on Near-Field Ground Motions Open
In burst-prone deep underground engineering, seismic waves generated from a near-field ground motion event may play a critical role in causing localized rockburst damage. Accurate estimation of near-field ground motions around excavations …
View article: Investigation of Damage Evolution in Heterogeneous Rock Based on the Grain-Based Finite-Discrete Element Model
Investigation of Damage Evolution in Heterogeneous Rock Based on the Grain-Based Finite-Discrete Element Model Open
Granite exhibits obvious meso-geometric heterogeneity. To study the influence of grain size and preferred grain orientation on the damage evolution and mechanical properties of granite, as well as to reveal the inner link between grain siz…
View article: CSD 1954669: Experimental Crystal Structure Determination
CSD 1954669: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…