Abstract.With the growing global energy crisis and environmental pollution, developing sustainable energy technologies is urgent. Hydrogen, a clean energy source with high energy density and water as its only byproduct, is a promising alternative to fossil fuels. Electrolytic water splitting is a green hydrogen production method, but its efficiency is limited by the slow kinetics of the oxygen evolution reaction (OER). Developing efficient OER catalysts is crucial to improving this process. This article reviews the principles of electrolytic water splitting, in-cluding HER and OER mechanisms, and key … Read more →

Abstract.Liquefied Natural Gas (LNG) cold energy utilization has emerged as a promising technology for enhancing energy efficiency and reducing environmental impact. This paper reviews the current status of LNG cold energy utilization, identifies key challenges, and explores future prospects. The analysis covers various applications, including power generation, air liquefaction, seawater desalination, and food freezing. The potential for further integration of LNG cold energy into multi-generation systems is also discussed, highlighting the need for comprehensive approaches to maximize efficiency and … Read more →

Abstract.This paper constructs a theoretical framework for new quality productive forces. It explores the connotation of new quality productive forces from the perspectives of labor, production factors, and technological innovation. Using statistical methods such as the entropy method and the Dagum Gini coefficient method, it quantitatively evaluates the new quality productive forces levels of 30 provinces in China from 2012 to 2022. The study reveals that, overall, the new quality productive forces levels of these provinces have witnessed a significant increase. However, there are notable disparities … Read more →

Abstract.Manganese-based oxides with diverse oxidation states, are promising electrochemical catalysts. In this work, we fabricated a novel hybrid electrocatalyst by integrating Mn2O3 and α-MnO2 on carbon paper (CP) using a two-step electrodeposition process, followed by annealing treatments at various temperatures. Notably, the hybrid electrocatalyst demonstrated significant performance enhancements compared to individual manganese oxides. In 1 M KOH electrolyte, the hybrid electrocatalyst displayed superior oxygen evolution reaction (OER) performance, requiring only a low overpotential of 290 mV to … Read more →

Abstract.This paper summarises the current state of research on oil-water two-phase flow, covering flow pattern classification, experimental studies, and model calculations. Common flow patterns and their influencing factors are introduced, and the conversion of different flow types is analyzed. The characteristics and results of various experimental devices and methods are presented, as well as the application of multiphase flow models and solution methods in practical calculations. The applications and challenges of oil-water two-phase flow in the petroleum industry and other fields are discussed for … Read more →

Abstract.A set of green finance and ecological efficiency evaluation system was constructed based on panel data of three major regions, provinces and cities in China, and the overall national level from 2014 to 2023. The current status of green finance in China was analyzed, and ecological efficiency was evaluated.By establishing a coupling degree model, the degree of coupling between the two was analyzed, revealing the complex relationship between them.Analysis shows that there is a relatively small gap in the development level of green finance among different regions in China, while there are … Read more →

Abstract.Water electrolysis, as a green hydrogen production technology, involves both the oxygen evolution reaction (OER) and the hydrogen evolution reaction (HER). Researchers have been dedicated to developing high-activity, low-cost electrocatalytic materials for water electrolysis. Among these, ruthenium (Ru)-based OER materials stand out due to their exceptional catalytic activity, universality, and relatively low cost within the precious metal family, making them highly promising for future development. This paper provides a comprehensive review of recent advances in Ru-based catalytic materials, … Read more →

Abstract.The in-situ repair of heavy metals in contaminated soil is to change the status of the presence of heavy metals in soil by applying some active passivation repair materials to the soil, and by dissolving precipitation, ion exchange adsorption, redox, organic convergence and other reactions, reducing the effective concentration, migration and biological effectiveness of heavy metals in the soil. This method is low-cost, simple to operate, fast-acting and suitable for large-scale promotion, and plays an irreplaceable role in the restoration of heavy metal contaminated soil. This paper summarizes … Read more →

Abstract.This paper will deeply analyze the direct and indirect effects of digital inclusive finance in broadening the sources of funds, increasing cooperation, enriching the content of activities and reducing the threshold of loans, and then describe the innovation activity from the four dimensions of technological innovation, institutional innovation, activity innovation and open innovation, so as to fully reflect the relationship between digital inclusive finance and innovation activity. The research results are helpful to promote the development of digital inclusive finance and enterprise … Read more →

Abstract.Firstly, the application prospect of electrolytic water reaction is introduced, and then the relevant mechanisms of hydrogen evolution reaction and oxygen evolution reaction of electrolytic water are described. The research status of catalysts for hydrogen and oxygen evolution from electrolyzed water, mainly acid oxygen evolution catalyst and basic hydrogen evolution catalyst, was introduced. Finally, a summary and prospect of the water electrolysis catalyst are given. Read more →

Abstract.With the rapid development of smart home, smart products are rapidly popularized, and users' dependence on smart home applications continues to increase. However, interface design and usability problems may lead to increased cognitive load of users, resulting in cognitive dissonance in psychological conflicts of users, and affect user experience. Based on the special environment and culture in Anhui Province, China, this study aims to explore the negative factors that trigger cognitive dissonance among users in smart home applications. Taking Mijia APP as an example, data was collected through … Read more →

Abstract.As an important part of rural characteristic industry, the evaluation of local specialty products is of great significance for improving product quality, optimizing industrial layout and helping rural revitalization. This paper summarizes the common evaluation methods of native products, including single evaluation method and comprehensive evaluation method, and discusses the characteristics and application scope of these methods, which provides a reference for the scientific evaluation of native products. Read more →

Abstract.Hydrogen energy, a highly efficient and clean alternative to fossil fuels, is produced via electrochemical water splitting through the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). However, OER's slow kinetics hinder efficiency. This article focuses on two technologies: proton exchange membrane (PEM) electrolysis and alkaline electrolysis. PEM electrolysis, using precious metal catalysts, offers high efficiency but at a high cost. In contrast, alkaline electrolysis employs cost-effective and mature nickel-based catalysts. Seawater electrolysis, abundant in resources, … Read more →

Abstract.The main grain producing areas are the "ballast stone" of China's grain production, and their stable production is very important to ensure the national grain supply. The main grain sales area is the main market for grain consumption, and the role of stimulating the demand for grain cannot be ignored. However, the current imbalance in the distribution of economic benefits between production and marketing areas has affected the healthy development of the grain industry to a certain extent. This paper expounds the intrinsic requirements of inter-provincial horizontal interest compensation in … Read more →

Abstract.With the rapid development of society, English ability has become an indispensable skill for citizens. English key competence is focused to cultivate students’ English ability. However, there still exits various problems in English teaching. Many teachers still pay attention to the explanation of words, phrases and sentences. Students are lack of systematic reading skills and methods and strategies. Group text reading is an effective teaching approach to strengthen students’ English reading skills and key competence. In order to cultivate students’ deep thinking and help students build reading … Read more →

Abstract.The withdrawal system of homesteads under the background of "three rights separation" is of great significance as it is the key link to safeguard the rights and interests of homesteads of farmers and release the value of rural land. However, under the traditional right structure of the residential base, the residential base withdrawal system inevitably faces many challenges in practice, such as the legal system of residential base withdrawal needs to be perfected, and the compensation mechanism of interests lacks rationality, etc. In this paper, we will focus on these problems in practice. … Read more →