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Global Endeavor to Read the Black Hole—The Working Mechanisms of Event Horizon Telescope 全球解读黑洞的努力——视界望远镜的工作机制
Biomedical engineering advances Pub Date : 2023-09-08 DOI: 10.26855/ea.2023.08.009
Zirui Yu
{"title":"Global Endeavor to Read the Black Hole—The Working Mechanisms of Event Horizon Telescope","authors":"Zirui Yu","doi":"10.26855/ea.2023.08.009","DOIUrl":"https://doi.org/10.26855/ea.2023.08.009","url":null,"abstract":"For centuries, human beings cooperated to make endeavors to reach for the full image of the galaxy. This dream has finally come real in the past decades—by constructing the Event Horizon Telescope. On May 12 th , 2022, the image of Sa-gittarius A* is first observed and reveals the existence of a super massive black hole. This is the “masterpiece” of EHT. The most unique characteristic of this momentous engineering is the span of the project: over 8 countries engaged in data processing and image capturing jobs, just for obtaining valuable information about black holes from outer space. To uncover the secret of high-resolution pic-ture-capturing ability and telecommunicating technology, getting familiar with optical interferometry and information processing is indispensable. From the basic concept of resolving images—Rayleigh Criterion—to the Fourier transform of electromagnetic wave, immense knowledge is involved in taking a picture of the black hole. This is why low-pass filters can sift out the higher frequencies out of the band.","PeriodicalId":72384,"journal":{"name":"Biomedical engineering advances","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136363818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on Freon Compressor Design 氟利昂压缩机设计研究
Biomedical engineering advances Pub Date : 2023-09-08 DOI: 10.26855/ea.2023.08.014
Haoyu Liu
{"title":"Research on Freon Compressor Design","authors":"Haoyu Liu","doi":"10.26855/ea.2023.08.014","DOIUrl":"https://doi.org/10.26855/ea.2023.08.014","url":null,"abstract":"This paper presents a concise yet comprehensive overview of recent advancements in Freon compressor design, focusing on its applications in cooling and refrigeration. The study delves into several vital facets that significantly influence compressor performance. It emphasizes the crucial role of compressor geometry, refrigerant selection, lubrication systems, and control strategies in achieving optimal efficiency and operational effectiveness. Given the evolving landscape of environmental concerns and regulations, the paper also examines the challenges posed by the need to adhere to stringent guidelines for refrigerant usage. Furthermore, the article highlights emerging trends such as the integration of advanced materials, variable-speed technology, and intelligent control systems, which collectively contribute to enhancing the overall efficiency of Freon compressors. In pursuing efficient and dependable compressor designs, the paper underscores the synergy between computational fluid dynamics (CFD) simulations and experimental validation techniques. These methods are valuable tools for accurately predicting compressor behaviour, performance, and reliability. In conclusion, this review encapsulates the ongoing endeavours in Freon compressor design, where a delicate equilibrium between performance optimization, environmental considerations, and regulatory compliance is consistently sought. As the field continues to evolve, the paper sets the stage for future innovations by synthesizing the current state of knowledge in this critical area of research.","PeriodicalId":72384,"journal":{"name":"Biomedical engineering advances","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136363813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Theoretical Framework and Practical Exploration: Application and Development of QHSE Management System in Changqing Oilfield 理论框架与实践探索:QHSE管理体系在长庆油田的应用与发展
Biomedical engineering advances Pub Date : 2023-09-08 DOI: 10.26855/ea.2023.08.013
Zhenjia Wang, Pei Li, Zhanyou He, Xiaorong Ren, Lei Gao
{"title":"Theoretical Framework and Practical Exploration: Application and Development of QHSE Management System in Changqing Oilfield","authors":"Zhenjia Wang, Pei Li, Zhanyou He, Xiaorong Ren, Lei Gao","doi":"10.26855/ea.2023.08.013","DOIUrl":"https://doi.org/10.26855/ea.2023.08.013","url":null,"abstract":"Safety production in petroleum enterprises is extremely important. Since the 18th National Congress, the construction of oil production safety has been behind the pace of economic construction, and the applicability of QHSE management sys-tem has been widely criticized. A large number of studies have shown that the current QHSE management system has problems such as large gap with actual production, difficulty in theoretical guidance and practice, and poor correlation of system components. In order to break out of this, Changqing Oilfield takes \"4S\" theory as the underlying logic and computer technology as the guarantee, realizing all-round data acquisition, multi-dimensional management of hidden dangers, sustainable development of resources, structured driving of functions and innovative creation of advantages, enriching the QHSE theoretical system and contributing to the global energy governance. It has enriched the theoretical system of QHSE, contributed \"Chinese wisdom\" to global energy governance, and provided \"Changqing thinking\" for the management of the petroleum industry.","PeriodicalId":72384,"journal":{"name":"Biomedical engineering advances","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136363814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring the Integration Practice of Traditional Architectural Decoration and Modern Interior Design 探索传统建筑装饰与现代室内设计的融合实践
Biomedical engineering advances Pub Date : 2023-09-08 DOI: 10.26855/ea.2023.08.007
Zili Zhao, Husaini Yaacob
{"title":"Exploring the Integration Practice of Traditional Architectural Decoration and Modern Interior Design","authors":"Zili Zhao, Husaini Yaacob","doi":"10.26855/ea.2023.08.007","DOIUrl":"https://doi.org/10.26855/ea.2023.08.007","url":null,"abstract":"Under the background of the continuous development of China's social economy, the improvement of the integration efficiency of cultural system essentially promotes the overall development efficiency of culture, among which the integration of traditional culture and modern culture is the most obvious. In the construction industry, how to effectively integrate the traditional architectural decoration and the modern interior design has gradually become one of the main factors affecting the beauty and scientific rationality of the architectural interior design. Therefore, in order to further improve the development quality of modern interior design industry, and to fully meet people's indoor living environment requirements. In this process, designers should correctly realize the integration value between traditional architectural decoration and modern interior design and on the basis of clarifying the characteristics of both, the integration of traditional architectural decoration and modern interior design is strictly into practice. Based on this, the research conducts a comprehensive study on the integration of traditional architectural de-coration and modern interior design, hoping to assist the development of related work.","PeriodicalId":72384,"journal":{"name":"Biomedical engineering advances","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136363820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Understanding of Pebbled Sandstone Reservoir Development 含砾砂岩储层开发新认识
Biomedical engineering advances Pub Date : 2023-09-08 DOI: 10.26855/ea.2023.08.011
Jie Zhong, Jing Shen, Yan Xia
{"title":"New Understanding of Pebbled Sandstone Reservoir Development","authors":"Jie Zhong, Jing Shen, Yan Xia","doi":"10.26855/ea.2023.08.011","DOIUrl":"https://doi.org/10.26855/ea.2023.08.011","url":null,"abstract":"The X22 fault block in the study area belongs to a layered fault block structural oil reservoir surrounded by faults and structurally fractured. The main oil bearing series is the Lower Sha si Member of the Shahejie Formation in the Lower Tertiary, which is divided into three oil formations: V, VI, and VII. This reservoir has the characteristics of significant differences in physical properties between horizontal and vertical reservoirs, as well as significant differences in production conditions. The fault block has been explored for more than thirty years. The multiple oil layer extraction has been jointly produced for many years. In recent years, the complex situations due to Multi-layer mining appeared frequently. This article focuses on the new understanding of the development of the VII oil formation in the gravel sandstone reservoir. Starting from the analysis of the remaining oil and oil-water interface, targeted measures are taken to improve the recovery rate of the VII oil formation and achieve the redevelopment of the gravel sandstone reservoir.","PeriodicalId":72384,"journal":{"name":"Biomedical engineering advances","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136363815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Talking about the Meteorological wind Direction and Speed of the high Plateau Airport Equipment Anti-icing Precautions 浅谈高原机场设备的气象风向和风速防冰措施
Biomedical engineering advances Pub Date : 2023-09-08 DOI: 10.26855/ea.2023.08.016
Shunde Yan, Xingping Xue, Haipeng Wang
{"title":"Talking about the Meteorological wind Direction and Speed of the high Plateau Airport Equipment Anti-icing Precautions","authors":"Shunde Yan, Xingping Xue, Haipeng Wang","doi":"10.26855/ea.2023.08.016","DOIUrl":"https://doi.org/10.26855/ea.2023.08.016","url":null,"abstract":"Qinghai is located in the Qinghai-Tibet Plateau. Winter is cold and snowy. The average temperature in winter is minus 8°C, and the lowest temperature can reach minus 30°C. The most snowfall days reach more than 40 days, the least can reach more than 20 days; Meteorological requirements have accurate measurement of wind direction and wind speed sensor equipment, and winter low temperature snow, precipitation caused by wind speed sensor equipment ice or snow, resulting in wind direction and wind speed sensor can not work normally, directly resulting in wind direction and wind speed parameters may be abnormal, often snowfall or other weather phenomena, easy to lead to runway surface pollution. According to the requirements of the Air Traffic Management Rules of Civil Aviation, in the case of runway pollution (snow, water, frost, ice, wet), it is not allowed to take off and land downwind, and when the controller refers to the wrong meteorological wind direction and speed, the aircraft is prone to deviate from the runway and un-safe incidents occur.","PeriodicalId":72384,"journal":{"name":"Biomedical engineering advances","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136363811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cargo Operations of Express Air 快运航空货运业务
Biomedical engineering advances Pub Date : 2023-09-08 DOI: 10.26855/ea.2023.08.012
Kexin Wu, Jiarong Chen
{"title":"Cargo Operations of Express Air","authors":"Kexin Wu, Jiarong Chen","doi":"10.26855/ea.2023.08.012","DOIUrl":"https://doi.org/10.26855/ea.2023.08.012","url":null,"abstract":"This report focuses on solving the cargo transportation problem for Express Air, an air express company operating among three airports. The objective is to minimize costs while meeting the daily demand for cargo transportation between each origin-destination airport. A minimum cost optimization model is employed to find the optimal schedule. Sensibility checks are performed, and the results are analyzed, including various scenarios using the developed models. The mathematical model includes variables representing cargo amounts, repositioning aircraft, staying aircraft, and cargo left on the ground. The objective function aims to minimize the total cost of cargo left on the ground and repositioning aircraft. Constraints ensure the balance of aircraft and cargo flows and account for demand and cargo left from previous days. The optimal solution yields a total cost of 17,925, with repositioning aircraft accounting for 84.38% of the cost. Increasing the fleet size reduces costs, and the model can be applied to supply chain systems and on-line shopping logistics.","PeriodicalId":72384,"journal":{"name":"Biomedical engineering advances","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136363817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of the Interior Design of a Waterfront Villa 某滨水别墅室内设计分析
Biomedical engineering advances Pub Date : 2023-09-08 DOI: 10.26855/ea.2023.08.010
Yongtao Xu, Jie Zhang, Ke Xie
{"title":"Analysis of the Interior Design of a Waterfront Villa","authors":"Yongtao Xu, Jie Zhang, Ke Xie","doi":"10.26855/ea.2023.08.010","DOIUrl":"https://doi.org/10.26855/ea.2023.08.010","url":null,"abstract":"In the traditional sense, \"organic architecture\" can be classified as a member of the modernist architectonic array, represented by a group of American architects including Sullivan and Wright. This movement believes that architectural form and composition can be inspired by nature, starting from the inner elements rather than simply imitating biological nature. The meaning of \"organic architecture\" emphasizes more on drawing living forms from nature and forming a concept that can penetrate every detail of the building, according to the unique functions and conditions of the space, making the building an interdependent and inseparable entity. This article provides a brief overview of the background of Wright's representative work, the Fallingwater house, and analyzes the interior space design of the Fal-lingwater house from three aspects: spatial organization, interface design, and furniture layout. It concludes and summarizes the characteristics of the Falling-water house, hoping to provide reference examples for contemporary architectural design and urban environmental art design.","PeriodicalId":72384,"journal":{"name":"Biomedical engineering advances","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136363816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Construct the Domain-specific Communication Procedures of Chinese Mechanical Engineering Students in the Double Degree Program 构建中国机械工程专业双学位学生的专业交流程序
Biomedical engineering advances Pub Date : 2023-09-08 DOI: 10.26855/ea.2023.08.008
Yu Zheng, Beibei Liu
{"title":"Construct the Domain-specific Communication Procedures of Chinese Mechanical Engineering Students in the Double Degree Program","authors":"Yu Zheng, Beibei Liu","doi":"10.26855/ea.2023.08.008","DOIUrl":"https://doi.org/10.26855/ea.2023.08.008","url":null,"abstract":"In engineering scientific communication, technical language serves as the carrier of information. Technical languages are linguistic tools for communication in specific field, enabling mutual understanding. This study examines four module handbooks of the Bachelor's program in Mechanical Engineering in the German-Chinese double degree program. The focus is on the compulsory technical modules, which contain the important specialized courses. Firstly, the study analyzes competence descriptions of these courses in the four module handbooks, from which communication procedures can be derived. Based on this analysis, specific communication procedures and typical linguistic resources for successful technical communication are identified. Statistics and analysis demonstrate that students need to be proficient in various areas of technical language such as \"explaining\", \"describing\", \"evaluating\" and \"analyzing\", as they are elementary for technical communication in the mechanical engineering course. Based on these findings, specialized language courses should be specifically designed to impart the necessary communicative skills to students in relation to these communication procedures. It is important to develop both oral and written communication skills in order to explain complex matters, analyze systems, weigh advantages and disadvantages, and make evaluations.","PeriodicalId":72384,"journal":{"name":"Biomedical engineering advances","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136363819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on the Construction of Construction Safety Hazard Investigation and Management System for Municipal Engineering 市政工程施工安全隐患调查与管理体系的构建研究
Biomedical engineering advances Pub Date : 2023-09-08 DOI: 10.26855/ea.2023.08.015
Zhongnuo Li, Hao Zhang
{"title":"Research on the Construction of Construction Safety Hazard Investigation and Management System for Municipal Engineering","authors":"Zhongnuo Li, Hao Zhang","doi":"10.26855/ea.2023.08.015","DOIUrl":"https://doi.org/10.26855/ea.2023.08.015","url":null,"abstract":"The investigation and treatment of safety hazards is an inevitable requirement to reduce the number of municipal engineering accidents and to guarantee the safety of municipal engineering construction. Ministry of Housing and Construction statement: sound control system, investigation of safety hazards, pay close attention to the hidden danger rectification as a key task. Safety hazards are manifested in all walks of life, among which engineering construction is a prominent representative. At the present stage, the way to solve safety hazards is not perfect. In order to solve the above-mentioned problems, this paper starts from the theoretical basis of safety hazards and constructs a system for the investigation and management of safety hazards in municipal engineering. The research of this paper can promote the progress and development of safety hazard investigation and management. On the one hand, it can deal with relevant construction problems scientifically and reasonably, effectively avoid the emergence of construction risks and ensure the construction quality and construction safety, on the other hand, it can also bring more economic and social benefits to the construction unit and bring more social and economic benefits to the construction of municipal engineering in China.","PeriodicalId":72384,"journal":{"name":"Biomedical engineering advances","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136363812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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