Abstract.For a long time, conference rooms have served as vital workplaces where indoor air quality directly impacts the physical and mental well-being as well as work efficiency of occupants. Therefore, selecting a ventilation method that simultaneously meets human comfort and indoor air quality requirements while achieving energy-saving objectives is particularly crucial. This paper employs Fluent software and computational fluid dynamics (CFD) analysis to simulate and analyze the velocity field distribution within different ventilation configurations for conference rooms, providing a theoretical … Read more →

Abstract.Soil infiltration system is a low-cost and high-efficiency decentralized wastewater treatment technology based on soil-microorganism-plant complex ecological effects. It can effectively remove pollutants such as organic matter (COD), suspended solids (SS), nitrogen, phosphorus and pathogenic microorganisms in wastewater mainly through synergistic mechanisms such as physical filtration, chemical adsorption and biodegradation. The system includes slow infiltration, rapid infiltration, surface overflow and underground infiltration. It can be flexibly applied to many fields such as rural domestic … Read more →

Abstract.This paper provides a systematic review of the application progress of ethical leadership in construction project management. The article first elucidates the background and development trajectory of ethical leadership theory introduced into this field, highlighting its significant response to industry ethical misconduct and sustainable development needs. The core section emphasizes five key roles of ethical leadership: enhancing safety performance, curbing misconduct and corruption, strengthening team cohesion and trust, stimulating employee suggestions and innovation, and ultimately … Read more →

Abstract.The integration of CuFeMn-Layered Double Hydroxide (LDH) with graphitic carbon nitride (g-C3N4), designated as CFM/CN, was identified as a potential strategy to enhance the photogeneration of hydrogen peroxide (H2O2) and improve the photoelectrocatalytic performance within a Bio-Electro-Fenton (BEF) system. The CFM/CN-BEF system is anticipated to broaden the applicable pH range and augment the overall efficiency of the BEF process, thereby facilitating more effective removal of antibiotics from wastewater. This investigation will systematically evaluate the removal efficiency of tetracycline … Read more →

Abstract.To address the issue of heating energy consumption in winter, this paper takes a public building in Zhengzhou City as an example and utilizes DEST simulation to analyze its energy consumption during winter heating. The simulated building energy consumption results indicate that compared to the baseline building, the designed building achieves a comprehensive energy saving rate of 38.53% and a heating energy saving rate of 37.35%. Read more →

Abstract.This paper systematically analyzes the pollution sources, environmental impacts, and prevention strategies of thallium-containing wastewater. It focuses on the physicochemical properties and environmental behavior of thallium, analyzes domestic and international pollution control policies and standards, and reviews the migration and emission characteristics of thallium in typical industrial processes such as lead-zinc smelting, iron and steel, and sulfuric acid production. The article also summarizes the principles, effectiveness, and limitations of thallium removal technologies, including … Read more →

Abstract.To investigate the distribution and pollution characteristics of microplastics in China's aquatic environments, this study focused on the Dasha River in Jiaozuo City. Microplastic abundance and morphological features were analyzed using stereomicroscopy, while polymer composition was determined through Fourier-transform infrared spectroscopy. The results showed that microplastic abundance in the Dasha River ranged from 1.05 to 8.5 n/L, with an average concentration of 4.91 n/L. The majority of microplastics, representing 72.9% of the total, had a particle size below 1 mm, Fiber-shaped … Read more →

Abstract.With the emergence of self-driving vehicles, the Autonomous Emergency Braking System (AEB) has become a crucial element in preventing traffic collisions. When comes to public trust and road safety, AEB needs to be really reliable and working well. In this paper, a series of testing and evaluation methods are introduced about AEB system using some typical and key scenarios that reflect the real world driving scenario. Do research starting from having the basic structure for all kind of test scenario like CCR (car-to-car rear stationary), CCRm(car-to-car rear moving), CCRb(car-to-car rear … Read more →

Abstract.This paper uses the CRITIC-VIKOR method to comprehensively evaluate Jiaozuo City, a typical coal resource depleted city, from four dimensions: environmental, economic, social and resource. By analyzing the relevant data from 2009 to 2023, this paper analyzes the transformation effects of each subsystem, aiming to provide theoretical basis and practical reference for the transformation and development of coal resource depleted cities.The results revealed that Jiaozuo achieved its lowest score of 0.36 in 2020, indicating a "relatively good" transformation status (Level IV) and the most effective … Read more →

Abstract.This paper compares and analyzes ear-based electroencephalography (Ear-EEG) and scalp-based electroencephalography (Scalp-EEG) in wearable brain-computer interfaces (BCIs) to examine how signal fidelity, robustness, and usability are balanced. The study evaluates signal quality (event-related potentials ERP, signal-to-noise ratio SNR), resistance to motion artifacts, comfort, wearability, and practical applicability. The results indicate that, despite moderate signal attenuation (amplitude loss of 21% to 44% compared to optimized Scalp-EEG) and limited spatial coverage (1–6 channels), Ear-EEG … Read more →

Abstract.The pervasive integration of Artificial Intelligence (AI) into the educational landscape has precipitated a profound paradigm shift, compelling a systematic re-evaluation of pedagogical methodologies and educator roles across various disciplines. This paper focuses on the field of International Chinese Language Education (ICLE), a domain characterized by its unique intercultural and linguistic complexities. It posits that the advent of AI is not merely an introduction of new tools but a catalyst for a fundamental transformation of the ICLE teacher's identity and professional responsibilities. … Read more →

Abstract.Knowledge sharing is the foundation of EPC consortium cooperation, this paper focuses on the problem of knowledge sharing strategy selection of EPC consortium members, constructs the EPC consortium knowledge sharing game model based on fairness perception, and analyzes the factors influencing the decision-making of EPC consortium's knowledge sharing behavior through data simulation. The research results show that: the size of the initial probability of knowledge sharing of the gamers has a certain relationship with the system evolution; the evolution of knowledge sharing behavior is positively … Read more →

Abstract.To enhance the structural safety of pure electric vehicles under collision conditions, this paper constructs a finite element model of the entire vehicle side pillar collision that complies with the EURO NCAP regulations. A detailed analysis of structural safety during the collision process is conducted. The research focuses on key areas such as the B-pillar and the battery pack, quantifying the intrusion amount and acceleration variation characteristics by arranging spring elements and acceleration measurement points in the model. The results indicate that the acceleration peak at the … Read more →

Abstract.Microplastics, as pollutants that are difficult to biodegrade in the environment, are widely distributed in soil, water bodies, and the atmosphere. They form complex pollution by adsorbing heavy metals and hydrophobic organic pollutants. Photodegradation, as an environmentally friendly degradation method, has attracted much attention. Photodegradation of microplastics includes direct photodegradation and indirect photodegradation. In direct photodegradation, photons directly act on the microplastic substrate, such as PE and PP, which absorb energy in the 270-300nm ultraviolet band, causing … Read more →

Abstract.This article reviews the development of Natural Language Processing (NLP) models from early statistical approaches to modern large language models (LLMs). Beginning with probability-based n-gram models, it outlines their limitations in data sparsity and long-term dependency. It then introduces neural network-based models, including word embeddings, logistic regression, multi-layer perceptrons, and Word2Vec, followed by sequential models such as RNNs and LSTMs that capture temporal dependencies. The shift to pre-trained models, marked by Word2Vec and the Transformer architecture, enabled … Read more →

Abstract.Infrastructure monitoring represents a critical challenge for ensuring public safety and operational efficiency in modern urban environments, where traditional wired monitoring systems face significant limitations in terms of cost, scalability, and deployment complexity. To fulfill this demand, this paper introduces a complete wireless sensor network (WSN) framework used for infrastructure project environmental condition monitoring, including multi-parameter sensing, a suite of big data applications, and a high-speed data communication protocol with ultra-low power. The designed system is … Read more →

Abstract.To promote independent technological advancement in chips and break through the technical blockade faced by China's sensor industry, this work has developed a novel process. This process utilizes the solid porous 3D microstructure of Broussonetia papyrifera to achieve microscale thermal isolation, while proposing the use of thin-film layered structures of Broussonetia papyrifera to optimize and improve existing thermal MEMS devices. Breakthroughs in process preparation technology enable the production of precision MEMS sensors. Currently, this product achieves a micron-level process grade and … Read more →