Abstract.The European energy crisis revealed the fragility between energy markets and the financial system. The Russia–Ukraine conflict and supply cuts drove extreme volatility in natural gas prices, with Germany, the most dependent on Russian gas, facing severe shocks. Uniper, the country’s largest gas importer, suffered soaring procurement costs while price controls limited revenues, leading to a liquidity crisis and eventual state takeover. This study reviews the causes of the crisis and applies a modified Z-score model with Monte Carlo simulation to Uniper’s financial data from 2019–2023 to assess … Read more →

Abstract.The research on “Aquatic Animal Behavior and Environmentally Friendly Fishing Techniques” aims to achieve sustainable fisheries development by understanding the behavioral patterns of aquatic animals during fishing operations and designing fishing gear and methods with high selectivity and minimal environmental impact. This research, grounded in fish behavioral responses to external stimuli like sound, light, and electricity, has been pursued internationally for decades. Advances in observation technology have led to the development of various devices (e.g., TEDs, BRDs) that reduce bycatch and … Read more →

Abstract.This study developed a systematic measurement framework to evaluate the high-quality development of urban gas enterprises. Drawing on the current status of China’s gas industry and guided by five development principles-innovation-driven, coordinated, green, open, and inclusive development-a comprehensive and multi-dimensional indicator system is constructed. The CRITIC–entropy combined weighting method is employed to determine indicator weights objectively, and the TOPSIS model is used to assess the overall development level of enterprises. The results indicate a steady upward trend in … Read more →

Abstract.To address the developmental challenges hindering the revival of Chinese women's football, this study employs documentary analysis and interviews to investigate the underlying factors from an institutional perspective. The findings reveal that the core issues stem from the dual failure of the state-led "whole-nation system" and the market mechanism. These are manifested through four institutional dilemmas: ambiguous division of responsibilities among governance bodies, a fractured youth training system, a pseudo-professional league structure, and inadequate athlete support mechanisms. These … Read more →

Abstract.The living will system, which safeguards patients' dignity and medical freedom, has received increasing attention from the public. Many people are calling for the protection of their medical freedom and right to die under the regulation of legal systems. The first part of this article introduces the connotation of the advance directive system and traces its origin and development; the second part discusses the legislative basis of the advance directive system in our country; the third part provides a detailed overview of the current situation of the advance directive system in our country; the … Read more →

Abstract.To achieve efficient and precise classification of nematode community distribution in tea garden soils of the Qinba Mountains, this study integrated a backpropagation neural network (BP-NN) with a convolutional neural network (CNN) to construct a BP-CNN model, which was applied to assess soil health in tea gardens within this region. Multiple gradient sampling points were established in typical tea gardens across the Qinba Mountains. Samples were collected at varying altitudes and soil types to obtain nematode community species composition, abundance, and environmental factor data. Using … Read more →

Abstract.People's health is related to the health of the nation and social stability, and health is one of the ultimate goals pursued by all humanity. The study of medical geography is closely linked with the development of the living environment and is a core aspect of human geography in exploring the human-environment relationship. Currently, academia considers the history of medicine as part of environmental research and temporarily divides the study of medical and health history into four main categories: first, exploring the spatial and temporal distribution and evolutionary mechanisms of diseases … Read more →

Abstract.This study examines seismic activity, volcanoes, tsunamis, and related hazards over a 20-year period in order to assess the economic effects of geologic hazards on the regional development trajectories of the Pacific Ring of Fire. Based on empirical data, the region's GDP losses range from 0.5 to 5.9%, contingent on the hazard's characteristics, volume, and potential for local recovery. The analysis shows how initial impacts are multiplied by cross-border spillovers and supply chain disruption cascading effects. Recovery pathways show considerable variation, with insurance density, mitigating … Read more →

Abstract.High-quality county-level economic development is an inevitable requirement for achieving Chinese modernization. This study argues that national audit, serving as the “immune system” of county-level governance, should strengthen the foundation of digital auditing, foster high-caliber audit professionals, promote research-oriented auditing, and integrate various types of national audit. Through full coverage audit  and the establishment of a national audit closed loop, the functions of national audit can be fully leveraged to create value and safeguard the modernization of county-level economic … Read more →

Abstract.In this paper, the regulatory effect of soil microbial diversity on the stability of farmland ecosystem under different agricultural management measures was systematically discussed through comparative experimental design. Select typical intensive farmland in major grain producing areas in China, and set up four treatments: conventional management (CON), organic agriculture (ORG), ecological enhancement (ECO), and natural restoration (NAT). Continuously monitor soil physical and chemical properties, microbial community structure, and ecosystem stability indicators. The results showed that ORG … Read more →

Abstract.Against the backdrop of an increasingly aging population, the construction of accessible environments has become an important issue for social development. At present, research on accessible design in China is still in its infancy and urgently needs systematic and specialized promotion. This study is based on field research on the construction of barrier free facilities, proposing barrier free planning strategies for indoor and outdoor spaces in buildings, and further exploring the integration of barrier free design concepts into spatial design courses in the training program for environmental … Read more →

Abstract.In parallel with the notable contributions of high-performance computing (HPC) to advancements in research, industry, and digital infrastructure, its surging energy demands and associated carbon footprint have emerged as pressing environmental concerns. Recent projections suggest that, without appropriate intervention, global electricity usage by data centers could surge by up to 160% by 2030, posing a major obstacle to achieving carbon neutrality. To confront this issue, this paper introduces a quantitative and layered assessment framework that evaluates the carbon emissions of HPC systems, … Read more →

Abstract.This study aims to explore the interactive relationship between pre-competition state anxiety and peer support among college athlete-students, using Zhaoqing University as a case for empirical analysis. A questionnaire survey was conducted among 286 athletes from 12 sports teams at Zhaoqing University, using the Competitive State Anxiety Inventory-2 (CSAI-2) and the Athlete Peer Support Scale. Semi-structured interviews were also conducted to deepen the quantitative results. The findings indicate that: (1) the overall pre-competition state anxiety among athletes at Zhaoqing University is above … Read more →

Abstract.Water scarcity in the arid northwest region of China, coupled with agricultural non-point source pollution, particularly nitrogen loss via farmland runoff, has become a critical issue threatening regional water environment security. Compared to traditional engineering measures, ecological interception technologies utilizing plant-microbe combined systems show great potential. Alfalfa (Medicago sativa L.), as an important leguminous forage, possesses unique advantages in controlling nitrogen loss due to its strong nitrogen fixation capacity and ecological adaptability. This review aims to … Read more →

Abstract.This paper investigates the application of Artificial Intelligence and Building Energy Management Systems (AI-BEMS) to advance low-carbon urban development goals. An extensive 18-month experimental campaign conducted on 27 different case studies has addressed energy, CO2 savings, economic feasibility and operational reliability. The results indicate that the AI-BEMS system successfully realize energy usages reductions, ranging from averaged 28.3% for all types of buildings, to maximum reduction with 31.3% for the residential buildings. Reductions in carbon emissions averaged 32.1%, … Read more →

Abstract.Under the Paris Climate Accord, China has pledged to reduce carbon emissions by 2030 to help limit global temperature rise within 2°C. Using panel data for 2011–2019 and system GMM estimation, this study examines the Environmental Kuznets Curve (EKC) in the Chinese context and identifies both the direct and moderating effects of the digital economy. The results show that (i) the digital economy exerts a direct mitigating effect on carbon emissions, yet its interaction with GDP per capita is positive, indicating that in more digitalized regions the marginal impact of economic growth on … Read more →

Abstract.The slow-paced ancient town tourism has become an important choice for tourists to relax and unwind. As a national 4A-level tourist attraction and a key tourism resource town in Yibin City, Hengjiang Ancient Town faces contradictions between tourism space and residents' slow-paced living space amidst rapid tourism development. This paper, framed by spatial production theory, explores the dynamic process of tourism spatial production and the interactive relationships among four main actors – indigenous residents, businesses, tourists, and the government – in Hengjiang Ancient Town. The study … Read more →

Abstract.This study focuses on the current corrosion situation of a gas gathering station in northern Shaanxi. Multiple experimental methods are used to conduct a systematic analysis and evaluation of corrosion coupons, aiming to clarify the corrosion behaviors and laws at different positions of the gas gathering station. By analyzing the main corrosion factors and combining the corrosion characteristics of the system, in-depth investigations of the corrosion details at each stage are carried out with the help of methods such as weight loss, scanning electron microscope (SEM), energy dispersive … Read more →