bluuebunny/crossref_metadata_2025 huggingface dataset:
High performance P-based argyrodite sulfide electrolytes enabled by Sb-based argyrodite doping for all-solid-state lithium metal batteries
Authors: Ma Zhihui , Li Ping , Shi Jie , Sun Feng , Fu Yidi , Wang Zhen , Fang Yixing , Han Junmei , Qu Xuanhui
Published: September 2024

An ingenious yet effective strategy was applied to prepare P-based Li-argyrodites with Sb-based Li-argyrodite doping. The incorporation of Sn, Sb and I endows the novel ternary-doped Li6PS5Cl electrolyte with much enhanced integrated performance.
Preparation of supercapacitor electrode materials from e-waste: eco-friendly Cu recovery from printed circuit board waste using reduced graphene oxide and upcycling to Cu/CuO@C
Authors: Mathaiyan Rajendran , Nechikott Aneesh Anand , Babu M. K. Sajith , Nayak Prasant Kumar , Kancharla Srinivasarao
Published: September 2024

Copper (Cu) was recovered from e-waste using reduced graphene oxide (rGO), and the recovered material was further upcycled into Cu/CuO@C. This upcycled material was then evaluated for its potential as an electrode material in supercapacitors.
Enzyme-mimicking redox-active vitamin B12 functionalized MWCNT catalyst for nearly 100% faradaic efficiency in electrochemical CO2 reduction
Authors: Yesudas K. Yashly , Balamurugan Mani , Nam Ki Tae , Gopal Buvaneswari , Senthil Kumar Annamalai
Published: September 2024

Development of highly functional and green electrocatalyst which mimics the natural enzymes for 100% efficiency, selectivity and low-over potential based facile operation is the ultimate aim for the success of the future electrochemical CO2 reduction based carbon net-zero technologies.
Boosting Lewis acidic sites via SMSI to enrich oxygen vacancies on Pt–CeO2 catalysts: enhancing efficiency of CO promoted toluene catalysis
Authors: Zhou Xiaoying , Zhang Mingyuan , Mao Peiqi , Pang Jiaxuan , Wang Jiayi , Wang Liping , Hou Chentao , Ye Daiqi
Published: September 2024

Intuitively regulating reductive SMSI can optimize the acid sites and oxygen vacancies on Pt/CeO2 catalysts. It is realized that the presence of CO on Pt/CeO2 catalysts can promote toluene combustion.
A universal descriptor for two-dimensional carbon nitride-based single-atom electrocatalysts towards the nitrogen reduction reaction
Authors: Xu Mengmeng , Ji Yujin , Qin Yuyang , Dong Huilong , Li Youyong
Published: September 2024

A universal descriptor was constructed by combining DFT calculations and machine learning to predict highly active NRR electrocatalysts based on transition metal atom anchored 2D carbon nitrides with varied C/N ratios (TM@CNx).
Low-temperature ionothermal polymerization of phenazine-based small molecules towards ultrastable and high-capacity anodes of aqueous alkaline sodium-ion batteries
Authors: Yan Xiaorong , Hu Mingjun , Zhao Guoqing , Wu Chuanguang , Li Rui , Wang Xinyu , Yu Haiping , Wang Zhihui , Wang Bei , Hao Yuxin , Liu Jingru , Wu Yilan , Yang Jun
Published: September 2024

A simple and green molten salt method was proposed for the dehydrogenation polymerization of electron-deficient phenazine-based small-molecule compounds, which effectively enhanced their capacity and cycle stability in aqueous sodium-ion batteries.
Indazole-based deep-blue-emitting hot exciton material: conjugated polycyclic aromaticity molecular design
Authors: Tian Xiangbin , Wang Long , Shi Mingkai , Deng Qianqian , Lu Lu , Shi Xiaomei , Miao Yanqin , Zhu Jun , Wang Hua
Published: September 2024

We propose a new hot exciton material design based on conjugated polycyclic aromaticity. A novel indazole-based deep-blue-emitting hot exciton material is successfully developed and applied to OLED devices.
Delafossite CuGaO2 nanomaterial-based room temperature H2S selective gas sensor
Authors: Kumar Amit , Barala Suraj , Ganaie Mubashir Mushtaq , Kumar Mahesh
Published: September 2024

To minimize harmful gas exposure and enable early disease diagnoses in low-resource settings, it is crucial to create an H2S gas sensor that can detect low ppb levels at room temperature (RT).
Efficient solution-processed narrowband green-emitting organic light emitting diodes sensitized by a thermally activated delayed fluorescence polymer
Authors: Yan Libing , Chen Bitian , Wang Dong , Su Ning , Zhao Lei , Wang Shumeng , Ding Junqiao
Published: September 2024

Solution-processed TADF polymer sensitized MR-TADF OLEDs demonstrate EQE of 15.7% with a narrow FWHM of 48 nm.
Laccase-mediated degradation of emerging contaminants: unveiling a sustainable solution
Authors: Thathola Pooja , Melchor-Martínez Elda M. , Adhikari Priyanka , Hernández Martínez Saúl Antonio , Pandey Anita , Parra-Saldívar Roberto
Published: September 2024

Source of contaminants in the environment and their removal using lacasse.
JADES NIRSpec initial data release for the Hubble Ultra Deep Field
Authors: Bunker Andrew J. , Cameron Alex J. , Curtis-Lake Emma , Jakobsen Peter , Carniani Stefano , Curti Mirko , Witstok Joris , Maiolino Roberto , D’Eugenio Francesco , Looser Tobias J. , Willott Chris , Bonaventura Nina , Hainline Kevin , Übler Hannah , Willmer Christopher N. A. , Saxena Aayush , Smit Renske , Alberts Stacey , Arribas Santiago , Baker William M. , Baum Stefi , Bhatawdekar Rachana , Bowler Rebecca A. A. , Boyett Kristan , Charlot Stephane , Chen Zuyi , Chevallard Jacopo , Circosta Chiara , DeCoursey Christa , de Graaff Anna , Egami Eiichi , Eisenstein Daniel J. , Endsley Ryan , Ferruit Pierre , Giardino Giovanna , Hausen Ryan , Helton Jakob M. , Hviding Raphael E. , Ji Zhiyuan , Johnson Benjamin D. , Jones Gareth C. , Kumari Nimisha , Laseter Isaac , Lützgendorf Nora , Maseda Michael V. , Nelson Erica , Parlanti Eleonora , Perna Michele , Rauscher Bernard J. , Rawle Tim , Rix Hans-Walter , Rieke Marcia , Robertson Brant , Rodríguez Del Pino Bruno , Sandles Lester , Scholtz Jan , Sharpe Katherine , Skarbinski Maya , Stark Daniel P. , Sun Fengwu , Tacchella Sandro , Topping Michael W. , Villanueva Natalia C. , Wallace Imaan E. B. , Williams Christina C. , Woodrum Charity
Published: September 2024

We describe the NIRSpec component of the JWST Deep Extragalactic Survey (JADES), and provide deep spectroscopy of 253 sources targeted with the NIRSpec micro-shutter assembly in the Hubble Ultra Deep Field and surrounding GOODS-South. The multi-object spectra presented here are the deepest so far obtained with JWST, amounting to up to 28 hours in the low-dispersion (R~30–300) prism, and up to 7 hours in each of the three medium-resolution R ≈ 1000 gratings and one high-dispersion grating, G395H (R ≈ 2700). Our low-dispersion and medium-dispersion spectra cover the wavelength range 0.6–5.3 μm. We describe the selection of the spectroscopic targets, the strategy for the allocation of targets to micro-shutters, and the design of the observations. We present the public release of the reduced 2D and 1D spectra, and a description of the reduction and calibration process. We measure spectroscopic redshifts for 178 of the objects targeted extending up to z = 13.2. We present a catalogue of all emission lines detected at S/N > 5, and our redshift determinations for the targets. Combined with the first JADES NIRCam data release, these public JADES spectroscopic and imaging datasets provide a new foundation for discoveries of the infrared universe by the worldwide scientific community.
Practice and Reflection on Active Fault Monitoring in Haikou Area
Authors: Liu Qiong , Huang Zhuoxiong , Yang Jianxin , Yang Yongchang
Published: September 2024

The project takes active faults in Haikou area as the monitoring object, through three monitoring means of GNSS monitoring, level measurement and fault escape radon measurement, and utilizes big data, cloud computing and other advanced technologies to build an Internet of Things monitoring platform, to carry out cyclic monitoring of active faults in Haikou area, so as to provide scientific basis for the analysis and prediction of earthquakes and the construction of Haikou area's urban planning and major projects.
Application and analysis of cool storage device in emergency situation of high-speed trains
Authors: Wang Hongyu , Liu Chao
Published: September 2024

The article introduces the plan of emergency cold storage measures, analysis of fresh air volume, and simulation of the entire vehicle. It also analyzes the advantages and disadvantages of emergency cold storage measures from aspects such as vehicle transformation, use and maintenance, and cost. Based on the comparative analysis results of emergency cold storage measures, the application of cooling storage technology in emergency situations of Multiple unit has greater advantages, and has higher research and reference value. In addition, it can ensure the comfort in the vehicle within the emergency ventilation time by adjusting the existing emergency ventilation mode. The article introduces the scheme of emergency cold storage measures and the analysis of fresh air volume. The focus is on the simulation analysis of the application of phase change cold storage technology in emergency situations of high-speed trains. Theoretically, the application of cold storage technology in emergency situations of high-speed trains has significant advantages and has high research and reference value. In addition, with the adjustment of existing emergency ventilation modes, the comfort inside the train can be ensured during emergency ventilation time.
Research on the non-use value of rammed earth buildings in Shaxi Ancient Town based on CVM
Authors: Wang Zixuan , Wan Li
Published: September 2024

Architectural cultural heritage not only enriches the cultural landscape but also drives economic activity, although its value is often underestimated by the market. This article uses the rammed earth buildings of Shaxi Ancient Town as a case study, quantifying their non-use value through the contingent valuation method, and explores factors influencing public willingness to pay using correlation analysis and binary logistic regression models. The results show that respondents have a high support rate (72.9%) and willingness to pay (26.23 RMB per person) for the conservation and development of rammed earth buildings. The total non-use value reached approximately 29.79 million RMB, demonstrating the significant economic potential of these structures as architectural heritage. This provides critical insights for the conservation and development of rammed earth architecture in China and calls for enhanced recognition and protection efforts from all sectors of society.
Study on the Path of Coupled and Coordinated Development of New Urbanization and Ecological Environment in Ya’an City
Authors: Ding Xueru , Tao Yutong , Zhu Jiawen , Liu Shijia , Xie Yuhang
Published: September 2024

Rapid urbanisation in Ya’an City, Sichuan Province, has caused environmental pollution and energy depletion in all districts, and the situation of coupled coordinated development is critical. In this study, with the help of PSR model, indicators are established and analysed from two aspects, namely, new urbanization and ecological environment, and a coupled coordinated development evaluation model is constructed. Finally, based on the calculation results, it is concluded that there are large gaps in the coupled and coordinated development of the eight districts and counties, and the problem of unbalanced and insufficient development is prominent. This study puts forward relevant path analyses and suggestions.
Refactoring and Rebirth of traditional residential buildings based on the reconstruction of Yi Minority Country
Authors: Gu Ruiping , Lan Shuwei , Ding Ning , Qiu Ling , Li Xiaoran
Published: September 2024

The protection and renewal of traditional residential buildings help to enhance the functionality and adaptability of the buildings, pass on the traditional architectural culture, promote the sustainable development of traditional buildings, and contribute to rural revitalization. This article proposes some practical strategies for the protection and renovation of traditional residential buildings, and elaborates in detail on the long-term development of the reconstruction and renovation of traditional Yi ethnic villages’ residential buildings in Damoyu Village, Kunming City and Dabudong Village, Luoping County. It can provide methodological references for the renovation and reuse of traditional residential buildings.
Strategic analysis for the effective management of interior design projects
Authors: Ni Bing , Mustapha Arniatul Aiza , Noorhani Nur Maizura Ahmad
Published: September 2024

With the progress of science and technology and the improvement of the living environment, people are concerned not only about the design effect and the quality of the project; project management has become an essential part of interior design. However, interior designers do not have a comprehensive knowledge of project management, interior design management, or the interior design project delivery of the quality of the vital role. This article discusses the meaning of project management and management of the impact and the importance of a detailed analysis description.
Application of BIM + vision technology in complex deep foundation pit
Authors: Wang Tao , Cao Wei , Shi Lei , Liu Zhixin , Tu Yi , Jiang Wei
Published: September 2024

In recent years, the combination of building information model (BuildingInformationModeling, BIM) and vision technology has been widely used in the field of engineering construction, especially in the application of complex foundation pit engineering has shown great potential. Due to the complexity of the underground environment and the difficulty of construction, the complex foundation pit engineering puts forward higher requirements for the design, construction and management. This paper mainly discusses the engineering, aiming to improve the construction efficiency, improve the engineering quality and ensure the construction safety.
Identification of key risk factors for resident evacuation based on BC-FRAM
Authors: Hu Jinqiu , Shi Jiancheng , Lu Ziqi , Xiao Shangrui
Published: September 2024

The community evacuation process is a complex system, coupled and linked by multiple interactions, and traditional safety engineering methods are unable to explain how multiple causes can lead to an incident. By introducing the concept of mediated centrality and constructing the BC-FRAM critical risk factor identification model for residential evacuation, the Betweeness Centrality- Functional Resonance Accident Model (BC-FRAM) solves the problem that traditional functional resonance methods can ignore risk modules with low performance fluctuations but high impact levels in complex networks. The ability of the BC-FRAM model to identify key risk factors in community evacuation is improved by a factor of 1 and the ability to identify failed functional connections is improved by 44.4% over the traditional FRAM model.
Analysis on Emergency Management of Urban Public Safety in the Era of Big Data
Authors: Han MiJie
Published: September 2024

With the continuous development of computer technology and Internet technology, the world has entered the era of big data. The advent of the era of big data has brought opportunities and challenges to the development of all walks of life in China, and it is also true for urban emergency management, which not only helps the government to improve the efficiency of emergency management, but also effectively solves the adverse social consequences caused by the government’s lack of corresponding early warning capabilities. Of course, as the so-called opportunities and challenges coexist, the era of big data brings opportunities to the development of urban emergency management, but it also brings great challenges to relevant departments. This paper aims to comprehensively analyze the development of urban emergency management in the era of big data by consulting relevant literature and investigating a large number of actual cases of urban emergency management, so as to provide reference for relevant workers.
Wuhan Fashion City Brand Image Shaping in the Context of Yangtze River Culture
Authors: Li Qianwen
Published: September 2024

Fashion is the symbol of civilization and progress, but also the pursuit of a better life. The purpose of this study is to explore the elements of Wuhan Fashion City brand image construction under the background of Yangtze River culture, so as to integrate the Yangtze River culture elements, enhance the impact of Wuhan City image, and promote the sustainable development of fashion industry, to promote the cultural heritage and development of the Yangtze River.
Research on the Setting Scheme of Heavy or Bulky Freight Transportation markings in China Based on International Experience
Authors: Feng Shuzhen
Published: September 2024

Due to the characteristics of oversized size and weight, slow driving speed and other characteristics, heavy or bulky freight transportation(HBRFT) brings potential hazards to road transportation safety. It’s very helpful for other vehicles identifying HBRFT vehicles on the road by setting clear markings. Referring to European experience and combining with China’s actual situation, the paper proposed some considerations on the setting scheme of HBRFT markings. Firstly, the paper analyzed several parts of the HBRFT markings in Europe which conclude the front sign and markings, rear markings, side markings and projection markings. Then the paper provided the setting scheme of markings in china. Finally, the paper proposed relevant policy recommendations for the promotion and application of HBRFT markings. The paper has important reference for improving the safety and standardized operation of HBRFT in China.
Research On Quality Performance Evaluation Method of Nuclear Power Programconstruction
Authors: Lu Xingguo , Bai Ting
Published: September 2024

Nuclear power project construction adopts the general contracting model, which covers four aspects: design, procurement, construction and commissioning. The evaluation of project quality performance in the construction process affects the quality decision of the project. Project quality performance evaluation is to grasp the key factors affecting the quality in the complex management process, and carry on the quantitative analysis of the construction quality. The analytic hierarchy process (AHP) is a scientific method for quantitative analysis of qualitative problems. This paper puts forward an evaluation method for the quality performance of nuclear engineering projects.
Analysis of Profit Points for XiaoTie Shared Intelligent Storage Cabinets
Authors: Yang Ningning , Yin Yuejia , Peng Xin , You Mingyang
Published: September 2024

The emergence of lockers has provided convenience for the public, but the rapid development of the Internet has greatly improved the quality of life of the masses, and people are no longer satisfied with the services provided by ordinary lockers. With the rapid development of logistics and express delivery, shared lockers have also come into being, and among many shared locker brands, XiaoTie smart lockers stand out. Although XiaoTie smart lockers are more convenient than ordinary lockers, there are still problems such as a small number of storage cabinets, imperfect storage services, high charges due to the high cost of express lockers, insufficient security and high competitive pressure. In order to enhance the competitiveness of the XiaoTie brand, strengthen the professional ability of XiaoTie smart lockers, and ultimately aim to improve the revenue and market share of XiaoTie smart lockers, this paper puts forward targeted suggestions such as broadening financing channels, developing business models, and cultivating professional talents.
Application of improved axis theory based on spatial syntax in the planning of Xi’an urban rail transit network
Authors: Zhang Xinxin
Published: September 2024

This article mainly analyzes the Xi’an rail transit network by improving the axis theory. Through analysis, it can be found that the Xi’an rail transit network in three different stages has gradually developed from a chain and tree structure to a circular structure, and the rail transit has gradually improved. The passenger flow is basically proportional to the average integration degree of stations. From the perspective of average integration degree, the average integration degree of transfer stations is generally high, which plays an effective role in dispersing passenger flow. I hope that this study can provide some reference for the planning and development of rail transit in the future.
Research on Hydrogen Energy Application Prospects and Safety Countermeasures in Ports
Authors: Xia Qing , Zou Lin , Gao Ruichu
Published: September 2024

Ports are significant application scenarios and targets for hydrogen energy, with their locational advantages and infrastructure strengths providing favorable conditions for the production, storage, transportation, and utilization of hydrogen. This paper investigates the current status of hydrogen energy applications in ports, their planning objectives, and existing safety issues, and proposes recommendations for safety countermeasures. The study finds that in China’s ports, typical near-term applications mainly involve replacing various loading and unloading machinery and horizontal transport equipment with hydrogenpowered alternatives; mid-term applications include the use of hydrogen-powered vessels and hydrogen shore power sources; and long-term applications encompass hydrogen-fueled vessel transport terminals. In these scenarios, there exist legal compliance, safety concerns in the storage, handling, refueling, transportation, and use of hydrogen within the port area. The research suggests that to further enhance the inherent safety level of hydrogen energy applications in ports, it is necessary to optimize the regulatory mechanisms and systems for hydrogen energy infrastructure, develop a safety technical standard system, elevate the awareness of risk control, and strengthen the capacity building for emergency response involving hydrogen energy.
Integrating BIM to Enhance Stakeholder Collaboration and Economic Efficiency in Architecture and Construction Projects
Authors: Jin Shengfei
Published: September 2024

Building Information Modeling (BIM) has significantly influenced the involvement of stakeholders and economic value in the architecture, engineering, and construction (AEC) domain. This study investigates BIM’s impact on communication, cost savings, budget adherence, error reduction, and project timelines through a qualitative case study of three major projects in China: Shanghai Tower, Shanghai Disneyland Resort, and Beijing Daxing International Airport. The study shows that BIM helps in improving stakeholder communication and coordination due to centralization of data and real-time updates hence; eliminating potential misunderstandings. In economic terms, aspects such as precise modeling and control of resources leads to considerable reduction of costs hence avoiding project blowouts while improving sustainability. Also, BIM enhances project delivery efficiency in pre-construction phasing, decimating its time consumption, and lessening decision-making delays. The paper demonstrates the theoretical basis of BIM using Systems Theory and Information Theory and shows that BIM aims at establishing an integrated, information-driven workflow. Despite the threats including high initial costs and resistance to change, the research establishes that BIM has a significant positive impact in improving efficiency, cutting costs and encouraging sustainability. It is suggested that resources should be devoted to staff development, increase consistency in BIM practices, and incorporate new technology to fully leverage BIM regardless of project size and complexity. It is crucial for future studies to increase the sample number and study the positive effects of BIM on the sustainability of constructions.
Sustainable Urban Planning and Genius Loci: A LDA-Based Analysis of Recreational Landscape Imagery in Hangzhou’s Qiaoxi Historic District
Authors: Zhao Yu , Ren Hongsheng
Published: September 2024

Amidst the impacts of urbanization and commercialization, the cultural and historical essence of neighborhoods is undermined, paralleled by the diminishing Genius Loci. This research explores the previously under-researched area of how urban leisure districts’ spatial design influences tourists’ experiential imagery perceptions and the Genius Loci, aiming to elucidate their dialectical relationship. Leveraging LDA topic modeling and TF-IDF text analysis, we distill behavioral and cognitive imageries from tourist reviews to forge a perception framework of the Genius Loci, bifurcated into spiritual and directional imagery dimensions. Secondary dimensions emerge through TF-IDF keyword extraction. GIS technology further analyzes the spatial distribution of emotional imageries and the spatiotemporal dynamics of emotions, highlighting its significance in sustainable urban development. The findings reveal the multidimensional experiential imageries of tourists in leisure neighborhoods and their impact and feedback on the Genius Loci, offering a new perspective on the interaction between tourists’ emotional spatial experiences and the Genius Loci. It is discovered that tourist perceptions mainly concentrate on “environmental psychological perception dimension” and “spatial orientation perception dimension” with the spatial distribution of tourists’ emotional experiences showing significant temporal dynamics. These results underline a complex interaction between tourists’ experiential imagery and the Genius Loci, suggesting that tourists’ feedback could play a critical role in shaping the evolution of these cultural spaces, emphasizing the need for integrated approaches in urban planning and heritage conservation.
On the issue of shipping finished products in mining of non-metallic mineral raw materials
Authors: Cherniaiev Oleksii , Anisimov Oleg , Saik Pavlo , Dychkovskyi Roman , Lozynskyi Vasyl
Published: September 2024

Mining of non-metallic raw materials is an extremely important process, since the production of building materials is one of the priority directions for state industry and society development. The production of building materials consists of a large chain of technological processes, of which the shipment of finished products to consumers is one of the main ones. This paper examines design solutions for finished product transhipment storehouses in non-metallic quarries of solid minerals, which are expedient to apply in technological schemes of cyclic-flow processing-transport equipment complexes of the specified quarries. The scope of their application has been determined by the criterion of specific energy intensity of processes and operations when shipping products from stacks of surface storehouses in standard quarries. The results obtained are recommended for implementation when designing technology for mining non-metallic fields and processing of raw materials to produce building materials with shipment of finished products to consumers.
The practical use of UAV systems in mine excavations and inspection works at LW “Bogdanka” S.A.
Authors: Szadziul Michał , Nowicka Maria Magdalena , Bojarczuk Sławomir , Kubera Natalia
Published: September 2024

This publication presents the application of the Elios 3 caged drone in underground geodetic measurements at the LW “Bogdanka” coal mine. Traditional surveying methods are increasingly being replaced by modern technologies such as laser scanners and unmanned aerial vehicles (UAV). LW “Bogdanka” mine has wide experience in the use of drones in surface surveys, which has enabled the implementation of these devices also in underground mine excavations. The Elios 3 aircraft, equipped with a 4K camera, thermal imaging camera, distance sensor and LiDAR technology, provides precise scanning of the environment and creating high-density point clouds. The SLAM stabilization system ensures the accuracy of measurements even in difficult conditions. This article focuses on the practical applications of the Elios 3 drone in the mine, such as inspections of coal storage tanks, assessment of the technical condition of dewatering roadways and measurements in hard-to-reach areas. The use of UAV significantly improves operational efficiency, reduces survey time and minimizes risks to employees. Thanks to LiDAR technology, Elios 3 accurately represents the details of the object being measured, which is crucial for maintaining and improving the mine’s infrastructure. The introduction of a drone for surveying at the LW “Bogdanka” mine brings numerous benefits, including increased workplace safety and advanced measurement capabilities in hard-to-reach and dangerous areas.
Improving the efficiency of the maintenance and monitoring system for mine degassing pipelines
Authors: Yehorchenko Rostyslav , Shyrin Leonid , Stasevych Rishard , Shavarskyi Iaroslav
Published: September 2024

Degassing pipelines in mine workings frequently change position, causing leaks and joint failures due to geomechanical processes and floor rock heaving, which lead to fatigue and corrosion. This paper reviews maintenance and renovation methods for these pipelines, aiming to develop innovative solutions to enhance operational performance. Research focuses on assessing current maintenance techniques, improving reliability, and implementing new technical solutions under real mine conditions. The proposed technological complex aims to enhance the safety and quality of pipeline maintenance and renovation. Typical production scenarios and monitoring methods for effective control of the technical state of mine degassing systems are considered. Continuous control of degassing wells and pipelines using structural modules of the Automated Mine Degassing Control System (AMDCS) is emphasized. Implementing these modules allows for automatic monitoring of the methane-air mixture and measurement of pressure drops, absolute pressure, temperature, and gas flow volume, thereby providing critical data to operational personnel.
Ensuring sustainability of the power supply system of mining enterprises in the conditions of war risks
Authors: Pivnyak Gennadiy , Papaika Yurii , Aziukovskyi Оleksandr , Lysenko Oleksandra , Dluhopolskyi Oleksandr
Published: September 2024

In the work, a study of the conditions of normal operation of the power supply system of mining enterprises with limited capacity of the power system was carried out. Based on complex studies, conclusions were drawn about the structure of electrical loads in coal mines, which are characterized by a non-linear and non-symmetric nature. The problem of higher harmonics and interharmonics with limited short-circuit power, which is characteristic of an autonomous power supply system, is highlighted. Stable operation of the power supply system and main consumers is achieved by matching the mode of the generator set with the mode parameters of the load. New dependencies of regime parameters were obtained, which evaluate energy efficiency in complex situations caused by military risks. Experimental studies of voltage quality indicators and energy efficiency in the conditions of power supply systems of coal mines of Ukraine confirmed the adequacy of the proposed analytical models.
Challenges and effectiveness of IT tools used in mining for forecasting production parameters
Authors: Kulpa Jarosław , Jekiełek Michał , Malinowski Leszek
Published: September 2024

The research examines the challenges and effectiveness of IT tools used in the mining industry for forecasting production parameters, a crucial aspect as mining operations become increasingly complex. Accurate forecasting is essential not only for optimizing efficiency, safety, and profitability but also for managing the high risks associated with the construction and operation of mining plants, which require long-term financial security and flexible production management. The study explores various IT solutions, such as advanced data analytics, machine learning algorithms, and simulation models, employed to predict key production parameters like ore quality, equipment performance, and resource availability. However, significant challenges, such as data quality issues, the integration of diverse data sources, and the need for specialized expertise, pose obstacles to the effective use of these tools. Despite these challenges, the research finds that IT tools can lead to more accurate forecasting, improved decision-making, and enhanced operational planning, provided that technical and organizational hurdles are addressed. The paper also highlights the importance of modern IT tools in mining production scheduling, demonstrating their advantages over older tools like MS Excel. By presenting examples from coal and copper ore deposits, the study shows that these modern tools not only increase the accuracy of production forecasts but also enable the creation of multiple scenarios and the rapid modification of schedules, which are key to maintaining the competitiveness and liquidity of mining companies.
Imperatives to improve the efficiency of the energy security system of Ukraine
Authors: Pavlova Olena , Pavlov Kostiantyn , Matiichuk Liubomyr , Kotsan Igor , Perevozova Iryna
Published: September 2024

The increasing volatility of external and internal factors, emergence of new risks in the global energy market (implementation of sustainable development principles and spread of the green economy), aggravation of political challenges, and intensification of integration processes point to the need to review and supplement existing methods for assessing the levels of energy security of states. Forming a single European energy space increases the requirements for ensuring an uninterrupted sustainable energy supply and efficient energy management that protects the interests of all market participants. In the process of substantiating approaches and creating new models of energy security, national and supranational issues of developing a joint energy base that will form the economic basis for the strategic competitiveness of European national economies are becoming essential. A necessary condition for organizing this process is to ensure adequacy and transparency of energy governance, which should consider the current state and trends of joint and national energy security indicators.
Reduction of ore losses on the footwall by improving ore breaking
Authors: Kalinichenko Vsevolod , Pysmennyi Serhii , Peremetchyk Andrii , Yazhynskyi Ivan
Published: September 2024

When mining steep deposits of Kryvyi Rih iron ore basin (Ukraine), a significant part of the reserves is lost in the “triangle” of the footwall. Complete extraction of reserves requires increased costs for mining ore. At present, there are options for mining reserves from the “triangle” of the footwall. However, all the proposed options lead to an increase in the cost of mining or increased ore losses and the reduced iron content in the mined ore mass. To reduce the cost of mining, an option is proposed with concentrated charges to break ore located between the footwall and the caved massif. In order to improve indicators of reserve extraction from the “triangle” of the footwall in the massif, it is advisable to place inclined concentrated charges at an angle of 58 – 78 degrees. To reduce broken ore dilution with waste rocks on the boundary, it is advisable to create an overcompacted layer of the broken ore mass by reducing the calculated value of the line of least resistance by a factor of 0.5 – 0.75. Application of this method of mining reserves from the block increases the content of iron in the mined ore mass by 1.2%, reduces discounted costs for driving workings and for drilling and blasting. Thus, due to application of the bulk level caving system with improved ore breaking by the use of concentrated charges located in the “triangle” of the footwall, the expected economic effect of mining of 718.2 kt makes 5.20 k USD.
Qualitätssicherung bei nuklearkardiologischer Diagnostik
Authors: Rischpler Christoph , Goetz Christian , Schäfer Wolfgang
Published: September 2024

Die Qualitätssicherung in der Nuklearmedizin wird vor allem durch die ärztlichen Stellen sichergestellt. Daneben gibt es zahlreiche Zertifizierungen, die durch Auszeichnung von Zentren bzw. Experten die Qualität medizinischer Leistungen gewährleisten und verbessern sollen. Auf dem Gebiet der kardiovaskulären Bildgebung gibt es mittlerweile zahlreiche Zertifizierungen, wobei die meisten auf radiologische Bildgebungsverfahren wie kardiovaskuläre Computertomografie oder Magnetresonanztomografie abzielen. Für die nuklearkardiologische Bildgebung gab es bis vor Kurzem keine Zertifizierung in Deutschland. Dies hat sich seit Anfang des Jahres 2023 geändert, da seitdem die Deutsche Gesellschaft Nuklearmedizin (DGN) eine Zertifizierung zum nuklearkardiologischen Zentrum anbietet. In diesem Artikel wird das Ziel der Qualitätssicherung durch Zertifizierungen auf dem Gebiet der nuklearkardiologischen Diagnostik diskutiert.
Lower extremity injury and return to sports of elite taekwondo
athletes
Authors: Lee Jae-Yul , Park Ki Jun
Published: September 2024

Objective We attempted to analyze the characteristics of lower-extremity
injuries that occur during training based on the sex and weight class of elite
taekwondo (TKD) athletes and the effect of pain scores on the return to sports
periods (RTSP). Methods and Methods: We included 198 elite TKD athletes who
participated in January–December 2023 and were trained in Korea. Injury
incidence rates (IIR) were expressed as Poisson rates with 95% confidence
intervals per 1,000 h of training. One-way analysis of variance was conducted to
determine the pain score and RTSP according to sex, weight, and injury type. In
addition, we performed simple linear regression to determine the effects of pain
score on the RTSP.

Results The lower-extremities IIR was 2.45 injuries per 1000 training
hours, including 0.77 contact and 1.68 non-contact injuries. The IIR was lower
in male than in female athletes (p<0.001), the most common injuries occurred
in the ankle (0.78) and knee(0.53). In addition, the ligament (0.99) and muscle
(0.70) were the most common injury types. All athletes demonstrated significant
differences in pain scores (p<0.001) and RTSP (p<0.001) based on the
injury type. In addition, we observed a significant difference between the pain
score (p<0.001) and RTSP (p=0.004) based on sex. For every 1-point increase
in pain score, all athletes had a 1.43-day increase in RTSP.

Conclusion These results can be used as data to develop injury prevention
programs for TKD athletes and to determine their RTSP.
Epistaxis – Risikofaktoren und Management bei 707 ambulant und stationär geführten Patienten
Authors: Breyer Nikita , Mayer Benjamin , Lindemann Jörg , Hoffmann Thomas Karl , Hahn Janina
Published: September 2024

Epistaxis gehört zu den häufigsten Notfällen der Hals-Nasen-Ohrenheilkunde. Das Spektrum reicht von leichter Form bis zur lebensbedrohlichen Blutung. Je nach Schwere und Verlauf erfolgt eine ambulante Fallführung oder stationäre Überwachung, gegebenenfalls mit operativer Blutstillung.

Es erfolgte eine retrospektive systematische Auswertung aller ambulanten und stationären Patientendaten mit der Diagnose Epistaxis im Zeitraum von Januar bis Dezember 2021. Ausgeschlossen wurde Epistaxis bei Tumoren, Trauma und postoperative Epistaxis.

707 Patienten wurden eingeschlossen. Saisonal gesehen wurden im Monat Januar die meisten Patienten vorstellig. Eine rein ambulante Fallführung war bei 80,8% möglich, eine stationäre Aufnahme erfolgte bei 19,2%. Von den stationär behandelten Patienten war bei 15,4% eine operative Intervention indiziert. Innerhalb des gesamten Studienkollektivs lag der Anteil der männlichen Patienten bei 61,1%, bei exklusiver Auswertung der stationären Patienten mit operativer Therapie bestand eine noch höhere Dominanz (81,0%). Die Mehrzahl (73,1%) der stationär betreuten Patienten hatten mindestens ein gerinnungshemmendes Präparat in der Dauermedikation. Ein höheres Alter (p=0,044) und das Vorliegen einer posterioren Epistaxis (p<0,001) waren signifikant mit einer stationären Behandlung assoziiert. Kinder mussten nicht stationär versorgt werden.

Epistaxis ist ein typisches HNO-ärztliches Krankheitsbild mit einem hohen Anteil (älterer) männlicher Patienten und solcher mit gerinnungshemmender Medikation bei schweren Krankheitsverläufen im untersuchten Kollektiv. Eine operative Intervention in Vollnarkose zur Therapie der Epistaxis war nur selten erforderlich (3%).
Real-world evidence comparing early and late pancreatic stent placement to prevent post-ERCP pancreatitis
Authors: Wang Shaofei , Bai Bingqing , Huang Qiming , Fang Yuanyuan , Zhang Chenyu , Chen Xinwen , Hong Jianglong , Jie Lei , Ding Hao , Hu Cui , Li Hongye , Li Yang , Liu Xiaochang , Hong Rutao , Bao Junjun , Mei qiao
Published: September 2024

Background and study aims Pancreatic stenting effectively lowers the occurrence of post-ERCP pancreatitis (PEP) and reduces its severity. However, limited research has been conducted to determine the optimal timing for pancreatic stent placement. Our objective was to evaluate whether early pancreatic stent placement (EPSP) is more effective than late pancreatic stent placement (LPSP) in preventing PEP among patients with naive papilla.

Patients and methods We conducted a retrospective cohort study that analyzed 590 patients with difficult biliary cannulation using the pancreatic guidewire technique, who were divided into EPSP and LPSP groups. In the EPSP group, a pancreatic stent was placed immediately before/after endoscopic retrograde cholangiography (ERC) or endoscopic sphincterotomy (EST). Conversely, in the LPSP group, a pancreatic stent was placed after partial/all completion of major endoscopic procedures.

Results From November 2017 to May 2023, 385 patients were in the EPSP group and 205 in the LPSP group. EPSP was associated with a decreased PEP occurrence compared with LPSP (2.9% vs. 7.3%; P = 0.012). Similarly, hyperamylasemia was lower in the EPSP group (19.7% vs. 27.8%; P = 0.026). Furthermore, sensitivity analysis using multivariable analysis and propensity score–matched (PSM) analysis also validated these findings.

Conclusions Early pancreatic stent placement reduced the incidence of PEP and hyperamylasemia compared with late pancreatic stent placement. Our findings favor pancreatic stenting immediately before/after ERC or EST.
Endoscopic suturing for mucosal defect closure following endoscopic submucosal dissection: Systematic review and meta-analysis
Authors: Niu Chengu , Zhang Jing , Farooq Umer , Zahid Salman , Okolo Patrick I
Published: September 2024

Background and study aims: Endoscopic submucosal dissection (ESD) is a minimally invasive and effective treatment for gastrointestinal lesions. It carries potential risks such as bleeding and perforation. This meta-analysis was conducted to assess the safety, effectiveness, and feasibility of endoscopic suturing, a promising technique for closing mucosal defects post-ESD.

Methods: We reviewed several databases, including MEDLINE/PubMed, Cochrane Library, Web of Science, and Embase up to May 1,2023. We aimed at identifying original studies that provided insightful data on the use of endoscopic suturing in reducing complications post-ESD.

Results: In our study, we evaluated 426 publications and included 10 studies involving a total of 284 patients. The pooled technical success rate of endoscopic suturing was 92.6% (95% confidence interval [CI] 0.88–0.96). The pooled rate for sustained closure of mucosal defects post-endoscopic submucosal dissection (ESD) was estimated to be 80.7% (95% CI 0.71–0.88). The pooled mean time required to perform the endoscopic suturing procedure was calculated to be 31.11 minutes (95% CI 16.01–46.21). Among the studies reviewed for the incidence of delayed perforation post-ESD, a singular event of perforation was documented, suggesting a minimal occurrence. The overall rate of delayed bleeding was 5.3% (95% CI 0.30–0.10). Within the subset of patients using antithrombotic drugs, our subgroup analysis identified a delayed bleeding event rate of 6.7% (95% CI 0.02–0.25).

Conclusions: Our results underscore the potential of endoscopic suturing as a viable and efficient technique in managing mucosal defects following ESD, highlighting the need for further large, prospective research to corroborate these findings and concentrate on establishing standard methodologies.
Accessing a Medicinal-Chemistry-Relevant Chemical Space with sp2–sp3 Hybrid Heterocyclic Fragments
Authors: Lefebvre Quentin , Mato Raquel , Bournez Colin
Published: September 2024

Target-first drug discovery relies heavily on protein structure information, which severely limits its application. In recent years, fragment-based drug Design (FBDD) has been identified as an alternative solution, where screening of smaller molecules for lower affinity allowed the use of focused libraries with a higher hit rate. It is shown that coupling an sp2-rich heteroaromatic group with a monofunctional sp3-rich core gives fragments (186 examples) with advantageous physical-chemical properties, covering a chemical space often neglected in traditional libraries.
Solvatochromic Dyes Track a Homeopathic Preparation through Water-Stream Systems in a Program to Control Tick Infestation at a Wild Animal Rehabilitation Center in Brazil
Authors: de Medeiros Nathalia Salles Scortegagna , Pinto Andréia Adelaide G. , Frana Sérgio , Souza Mônica Filomena , Suffredini Ivana Barbosa , Cartwright Steven John , Bonamin Leoni Villano
Published: September 2024

Introduction In 2021, the area of CRAS (Centro de Reabilitação de Animais Selvagens – Wild Animal Rehabilitation Center), located in a state park in Campo Grande City, Mato Grosso do Sul, Brazil, was suffering from a tick infestation affecting wild animals that inhabit the area and humans that visited its trails. Following a formal technical–scientific cooperation agreement between IMASUL, an institute for the environment in Mato Grosso do Sul state, and SIGO Homeopatia, a formulated homeopathic complex (Formula Parques Urbanos, FPU) was designed and prepared specifically to treat the animals. This environmental intervention used specially designed slow-release water biodegradable devices. Tracking the FPU signal in water was necessary to monitor and manage the intervention.

Aims Our aims were (1) to evaluate, among six previously standardized solvatochromic dyes, which would serve as a marker for the homeopathic complex under study; and (2) to evaluate whether the chosen solvatochromic dye could map the propagation of the homeopathic complex activity throughout the stream system from water samples harvested at different locations over time.

Method Water samples were harvested from each point at different times, filtered, frozen, and sent to the laboratory, where they were prepared at 1cH potency for analysis using 30% ethanol as the vehicle. Solvatochromic dyes were used to analyze the samples since they alter their absorbance when in contact with homeopathic potencies. Of the six dyes tested, Coumarin 7 was found to be the most suitable for tracking the FPU complex. A static and average unidirectional magnetic field of 2,400 Gauss (240 mT), generated by a neodymium magnet, was applied to the samples immediately before reading.

Results There were significant differences in the delta absorbance of dyes when adding treated/potentized water samples, making it possible to map the propagation of the FPU signal throughout the park over time. The signals were identifiable at the same point 1 minute and 32 days after the insertion of the device into the water. These signals were also identifiable after 75 minutes and 8 days at a point far from the insertion place.

Conclusion Coumarin 7 was the best marker for the homeopathic complex (FPU) used to treat the wild animals living in the park. The microplates/enzyme-linked immunosorbent assay reader method and the application of a magnetic field to samples were shown to be effective in tracing homeopathic signals by changes in dye absorbance (p ≤ 0.02) in a real-life situation, with large volumes of water, involving many environmental variables, and over large distances.