Kegang Li

ORCID: 0000-0002-6961-7258
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About
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Research Areas
  • Rock Mechanics and Modeling
  • Landslides and related hazards
  • Geoscience and Mining Technology
  • Geotechnical and Geomechanical Engineering
  • Geomechanics and Mining Engineering
  • Geotechnical Engineering and Analysis
  • Tunneling and Rock Mechanics
  • Plant Gene Expression Analysis
  • Plant biochemistry and biosynthesis
  • Structural Response to Dynamic Loads
  • High-Velocity Impact and Material Behavior
  • Geotechnical Engineering and Underground Structures
  • Grey System Theory Applications
  • Geophysical Methods and Applications
  • Fermentation and Sensory Analysis
  • Extenics and Innovation Methods
  • Drilling and Well Engineering
  • Plant Diversity and Evolution
  • Biochemical and biochemical processes
  • Energy Load and Power Forecasting
  • Horticultural and Viticultural Research
  • Blasting Impact and Analysis
  • Diverse Interdisciplinary Research Innovations
  • Evaluation and Optimization Models
  • Dam Engineering and Safety

Kunming University of Science and Technology
2015-2024

Jiangsu Normal University
2023

Jishou University
2012-2022

Yueyang Hospital
2012

Shanghai University of Traditional Chinese Medicine
2012

Kunming University
2008

The main reason for CO2 enhanced coalbed methane recovery is the competitive adsorption of and CH4 on coal. Therefore, it necessary to study equilibrium CO2, their mixed gases coal over a wide range pressures. This work investigates mechanism CO2/CH4 by thermodynamics. findings indicate that demonstrates greater increase in Gibbs free energy larger decrease entropy loss related CH4, indicating process more occur spontaneously. In gas system, amount adsorbed different ratios (yCO2:yCH4 = 1:3;...

10.1016/j.aej.2024.04.010 article EN cc-by-nc-nd Alexandria Engineering Journal 2024-04-16

Intelligent prediction of rock bursts has great significance in mechanics research and a high value engineering applications. An intelligent rockburst method based on Bayes-optimized convolutional neural network (BOCNN) was proposed. First, an exploratory analysis data conducted using joint distribution diagrams the heat map correlation matrix to establish high-quality set cases parameter system for prediction. Second, six models were built by combining machine learning algorithms, such as...

10.1061/ijgnai.gmeng-8213 article EN International Journal of Geomechanics 2023-03-02

10.1016/j.jrmge.2024.11.048 article EN cc-by-nc-nd Journal of Rock Mechanics and Geotechnical Engineering 2025-01-01

To accurately and reliably predict the occurrence of rockburst disasters, a intensity level prediction model based on FA-SSA-PNN is proposed. Crding to internal external factors occurrence, six influencing (σθ, σt, σc, σc/σt, σθ/σc, Wet) were selected build index system. Seventy-five sets typical case data at home abroad collected, original preprocessed factor analysis (FA), comprehensive indexes, CPI1, CPI2, CPI3, obtained after dimensionality reduction, used as input features SSA-PNN...

10.3390/en15145016 article EN cc-by Energies 2022-07-08

Beverages prepared by fermenting plants have a long history of use for medicinal, social, and ritualistic purposes around the world. Socio-linguistic groups throughout China traditionally used as fermentation starters (or koji) brewing traditional rice wine. The objective this study was to evaluate knowledge, diversity, values regarding glutinous wine in Dong communities Guizhou Province China, an area rich biological cultural diversity.Semi-structured interviews were administered collecting...

10.1186/s13002-019-0299-y article EN cc-by Journal of Ethnobiology and Ethnomedicine 2019-04-27

10.1007/s40996-023-01275-8 article EN Iranian Journal of Science and Technology Transactions of Civil Engineering 2023-11-03

In regard to goaf risk prediction, due the low accuracy and single prediction method, this study proposes a method that combines improved arithmetic optimization algorithm (IAOA) – support vector machines (SVM) with GoCAD–FLAC3D numerical simulation. Thus, is comprehensively predicted. From perspectives of geological engineering conditions, eight factors affect stability 176 sets sample data were determined. We utilized influencing such as rock mass structure, burial depth inputs, level...

10.1016/j.undsp.2023.07.003 article EN cc-by-nc-nd Underground Space 2023-10-12

Abstract Saxifraga L. is the largest genus in Saxifragaceae and a characteristic component of herbaceous flora temperate alpine mountains Northern Hemisphere. Section Irregulares small group 15–20 species, representing one early‐diverged lineages characterized with unique zygomorphic flowers. We used both nuclear internal transcribed spacer chloroplast DNA regions ( psbA‐trnH , trnL‐F matK ) to reconstruct its species relationships, estimate divergence times, infer historical biogeography....

10.1111/jse.12547 article EN Journal of Systematics and Evolution 2019-10-24

Vitis bellula is a new grape crop in southern China. Berries of this species are rich antioxidative anthocyanins and proanthocyanidins. This study reports cloning functional characterization cDNA encoding V. dihydroflavonol reductase (VbDFR) involved the biosynthesis A including 1014 bp was cloned from young leaves its open reading frame (ORF) deduced 337 amino acids, highly similar to vinifera DFR (VvDFR). Green florescence protein fusion confocal microscopy analysis determined cytosolic...

10.3390/molecules23040861 article EN cc-by Molecules 2018-04-10

This paper aims to avoid the tampering or leakage of sensitive data in a distance education platform. To this end, an intelligent identity authentication model was proposed realize continuous user authentication, and high security infrastruc-ture designed for platform based on model. The experimental evaluation shows that infrastructure pri-vate cloud can greatly improve Suf-fice it say research findings provide new insights into education.

10.3991/ijet.v13i10.9450 article EN International Journal of Emerging Technologies in Learning (iJET) 2018-10-26

Abstract The failure characteristics of rock subjected to impact disturbance under one-dimensional static axial compression are helpful for studying the problems pillar instability and burst in deep, high geostress surrounding blasting disturbances. Improved split Hopkinson pressure bar equipment was used dynamic–static combined tests deep-seated dolomite specimens levels 0, 12, 24, 36 MPa. experimental results demonstrate that exhibit strong brittleness. dynamic strength always maintains a...

10.1007/s40030-019-00424-5 article EN cc-by Journal of The Institution of Engineers (India) Series A 2019-12-31

Proanthocyanidins (PAs) are fundamental nutritional metabolites in different types of grape products consumed by human beings. Although the biosynthesis PAs berry Vitis vinifera has gained intensive investigations, understanding other species is limited. In this study, we report PA formation and characterization gene expression involved leaves V. bellula, a wild edible native to south south-west China. Leaves collected at five developmental stages defined sizes ranging from 0.5 5 cm length....

10.3390/metabo3010185 article EN cc-by Metabolites 2013-03-19

Fabrication of a post-synthesis imprint modification method for metal-organic frameworks in order to improve its selectivity the field separation and analysis is great interest. For this purpose, pinoresinol diglucoside (PDG) imprinted polymer was attempted graft on surface MIL-101 produce new composite material named MIPs@ED-MIL-101. This procedure monitored by using X-Ray Diffraction, fourier transforms infrared spectroscopy scanning electron microscopy crystal structure, chemical groups...

10.1080/01496395.2020.1869258 article EN Separation Science and Technology 2021-01-03

To investigate the geological hazards caused by action of drying-wetting cycle on rocks, we conducted a conventional triaxial compression test sandstone under high number repeated cycles.By using TAW-2000D microcomputer-controlled electro-hydraulic servo rock testing machine, this study investigated influences cycles deformation and strength characteristics sandstone.At same time, relationships among strength, elastic modulus, confining pressure were analyzed.The results show that, when are...

10.25103/jestr.093.10 article EN cc-by-nc Journal of Engineering Science and Technology Review 2016-06-01

Epimedium is the largest and one of most important herbaceous genera in Berberidiaceae, especially for section Diphyllon, which has a diversification center central China. Chromosome numbers karyomorphology 24 accessions were examined, representing 18 species, five counted here first time. A chromosome number 2n = 2x 12 was observed all taxa karyotypes Stebbins' 2A, except E. acuminatum, brevicornu, ilicifolium accession leptorrhizum, 3A. Their asymmetry index (AI) values vary from 1.71 to...

10.1080/00087114.2018.1499482 article EN Caryologia 2018-10-02
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