Zhang Yuan-yua
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View article: Vulnerability characteristics and adaptation strategies of public health systems in different regions of China
Vulnerability characteristics and adaptation strategies of public health systems in different regions of China Open
Global climate change, urbanization, and environmental pollution have significantly altered the ecosystem and socio-economic structure, while also promoting a new disease risk pattern that has markedly affected human physical and mental he…
View article: Preliminary study on the time-correlation changes in brain neurotransmitters of mice exposed to mushroom toxin ibotenic acid
Preliminary study on the time-correlation changes in brain neurotransmitters of mice exposed to mushroom toxin ibotenic acid Open
Background Mushroom poisoning represents a significant food safety issue globally, particularly neurotoxic mushroom poisoning, which raises considerable concern due to its potential to induce central nervous system symptoms. Ibotenic acid …
View article: Cooperative regulation of hazardous chemicals in electric power sector based on CA-ResNet model
Cooperative regulation of hazardous chemicals in electric power sector based on CA-ResNet model Open
With the advancement of industrialization, the amount of hazardous chemicals in the power industry is constantly increasing, resulting in frequent safety hazards such as leaks, explosions, and other accidents. The main objective of this re…
View article: Convergent Sixth-order Compact Finite Difference Method for Variable-Coefficient Elliptic PDEs in Curved Domains
Convergent Sixth-order Compact Finite Difference Method for Variable-Coefficient Elliptic PDEs in Curved Domains Open
Finite difference methods (FDMs) are widely used for solving partial differential equations (PDEs) due to their relatively simple implementation. However, they face significant challenges when applied to non-rectangular domains and in esta…
View article: A Novel Method for Short-Circuit Current Suppression Based on Instant System Reconstruction
A Novel Method for Short-Circuit Current Suppression Based on Instant System Reconstruction Open
With the continuous development of the smart energy systems for carbon reduction and energy saving, the problem of short-circuit current exceeding the standard has become increasingly prominent. While adjusting the system operating mode an…
View article: Fully Decoupled Branch Energy Balancing Control Method for Modular Multilevel Matrix Converter Based on Sequence Circulating Components
Fully Decoupled Branch Energy Balancing Control Method for Modular Multilevel Matrix Converter Based on Sequence Circulating Components Open
The modular multilevel matrix converter (M3C) is a potential frequency converter for low-frequency AC transmission. However, capacitor voltage control of high-voltage and large-capacity M3C is more difficult, especially for voltage balanci…
View article: The Inspiration of the Expansion History of the European Integrated Market for Electricity for China
The Inspiration of the Expansion History of the European Integrated Market for Electricity for China Open
The construction and expansion history of the European integrated energy market is similar to the situation faced by China’s electricity market establishment. This paper summarized the experience from the European market as well as the spe…
View article: Fly Ash and Slag as Partial Replacement of Cement for the Synthesis of Low Carbon Cementitious Materials
Fly Ash and Slag as Partial Replacement of Cement for the Synthesis of Low Carbon Cementitious Materials Open
Tailings known as solid waste are generated by the mining industry. The development of tailings as wet shotcrete aggregates has significant economic and environmental benefits. The fine particle size of the tailings results in a large cons…
View article: A Modeling Method for Predicting the Strength of Cemented Paste Backfill Based on a Combination of Aggregate Gradation Optimization and LSTM
A Modeling Method for Predicting the Strength of Cemented Paste Backfill Based on a Combination of Aggregate Gradation Optimization and LSTM Open
Cemented paste backfill (CPB) is a sustainable mining technology that is widely used in mines and helps to improve the mine environment. To investigate the relationship between aggregate grading and different affecting factors and the unia…
View article: GIS vibration principal analysis and modeling
GIS vibration principal analysis and modeling Open
Based on the most basic electromagnetic theorem, this paper analyses the most basic principle of GIS vibration formation. The characteristic formulas of magnetostriction and Ampere force vibration are deduced, and the characteristic freque…
View article: Analysis and application of GIS vibration principle in power system
Analysis and application of GIS vibration principle in power system Open
Firstly, the basic principle and characteristics of GIS vibration are analyzed and studied. It is pointed out that electromagnetic force and magnetostriction are two basic forms of GIS vibration, and both of them take 100Hz as the characte…
View article: Research on Key Technical Parameters of 1100kV Live Tank Circuit Breaker for UHVDC Converter Station
Research on Key Technical Parameters of 1100kV Live Tank Circuit Breaker for UHVDC Converter Station Open
Many of UHVDC transmission projects planned and under construction are hierarchical connected to 500kV and 1000kV AC grid in China. Live tank circuit breakers are selected for switching 1000kV filters. During the development of 1100kV live…
View article: Study on the characteristics of half-wavelength transmission line with digital simulation and dynamic simulation
Study on the characteristics of half-wavelength transmission line with digital simulation and dynamic simulation Open
AC Half-Wavelength transmission in UHV stage is an alternate for the long distance and large capacity power transmission, because of its unique characteristics. The characteristics half-wavelength transmission lines and conventional transm…
View article: Simulation and Test Study on Very Fast Transient Overvoltage in 1000kV GIS Substation
Simulation and Test Study on Very Fast Transient Overvoltage in 1000kV GIS Substation Open
Disconnector switching in gas insulated switchgear (GIS) generates very fast transient overvoltage (VFTO). VFTO may damage the insulation of GIS equipment. This paper studies the VFTO of a 1000kV GIS substation. The simulation models are o…
View article: The Construction and Practice of Classified Talent Cultivation System Combining with Professional Certification
The Construction and Practice of Classified Talent Cultivation System Combining with Professional Certification Open
According to the idea of CDIO engineering education, this paper, combing with professional certification, makes training plan of Urban Rail Transit Vehicles Engineering direction in our school on the basis of research on universities at ho…