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Knowledge Practical Attitude of Health Professionals on Breast Cancer at the Hospital of the District of the Commune IV of Bamako
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作者 Moussa Samaké Souleymane B. Dembelé +14 位作者 Sirama Diarra Yely Dianessy Abdou Guiré Dorcas Laurel Sodjiné Yede Amaguiré Saye Brahima Dembele Birama Traoré Thierno Nadio Ibrahima Maiga Mahamane Dicko Modibo Diarra Siaka Konaté Amadou Maiga Bakary Tientigui Dembele Adégné Togo 《Surgical Science》 2024年第5期342-356,共15页
Introduction: The level of knowledge and attitude of health professionals about breast cancer are important determinants. General objective: To study the knowledge, attitude and practice of health professionals of the... Introduction: The level of knowledge and attitude of health professionals about breast cancer are important determinants. General objective: To study the knowledge, attitude and practice of health professionals of the hospital of the district of the commune IV on breast cancer. Methodology: This was a cross-sectional, prospective, descriptive, qualitative and quantitative study. The study period was from 01 October 2022 to December 2022. Results: In one week of survey, 110 health workers (intern, obstetrician nurse, general practitioners and specialists) received the survey sheet, 80 health workers informed it, a participation rate of 73%. The male sex was most represented at 63.75% with a sex ratio of 1.76. The average age was 39.59 years with extremes of 22 and 61 years. The clinical signs evoked by the participants were: breast nodule (81.25%), followed by breast discharge (48.75%). In relation to risk factors: interns and obstetrician nurses had no good knowledge, 51.72% of general practitioners had good knowledge, 43.48% of specialist doctors had good knowledge, and 5.88% of the wise had good knowledge. Conclusion: Breast cancer is a common pathology around the world, health professionals are at the forefront of the fight against breast cancer, and this fight cannot be effective without trained personnel. 展开更多
关键词 KNOWLEDGE ATTITUDE practice Health Personnel Breast Cancer
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PDOL-Based Solid Electrolyte Toward Practical Application:Opportunities and Challenges
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作者 Hua Yang Maoxiang Jing +3 位作者 Li Wang Hong Xu Xiaohong Yan Xiangming He 《Nano-Micro Letters》 SCIE EI CAS CSCD 2024年第7期109-141,共33页
Polymer solid-state lithium batteries(SSLB)are regarded as a promising energy storage technology to meet growing demand due to their high energy density and safety.Ion conductivity,interface stability and battery asse... Polymer solid-state lithium batteries(SSLB)are regarded as a promising energy storage technology to meet growing demand due to their high energy density and safety.Ion conductivity,interface stability and battery assembly process are still the main challenges to hurdle the commercialization of SSLB.As the main component of SSLB,poly(1,3-dioxolane)(PDOL)-based solid polymer electrolytes polymerized in-situ are becoming a promising candidate solid elec-trolyte,for their high ion conductivity at room temperature,good battery elec-trochemical performances,and simple assembly process.This review analyzes opportunities and challenges of PDOL electrolytes toward practical application for polymer SSLB.The focuses include exploring the polymerization mechanism of DOL,the performance of PDOL composite electrolytes,and the application of PDOL.Furthermore,we provide a perspective on future research directions that need to be emphasized for commercialization of PDOL-based electrolytes in SSLB.The exploration of these schemes facilitates a comprehensive and profound understanding of PDOL-based polymer electrolyte and provides new research ideas to boost them toward practical application in solid-state batteries. 展开更多
关键词 Poly(1 3-dioxolane) Solid electrolyte Polymerization mechanism Composite electrolyte practical application
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Practical effect of different teaching modes in teaching gastrointestinal surgery nursing
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作者 Xiao-Juan Rong Zhen Ning 《World Journal of Gastrointestinal Surgery》 SCIE 2024年第1期166-172,共7页
BACKGROUND With the continuous development and progress of medical technology,the position of surgical nursing in the field of clinical medicine is becoming in-creasingly prominent.As an important branch of the surgic... BACKGROUND With the continuous development and progress of medical technology,the position of surgical nursing in the field of clinical medicine is becoming in-creasingly prominent.As an important branch of the surgical field,the nursing requirements and difficulty of gastrointestinal surgery are also increasing.In order to improve the teaching quality of nursing care in gastrointestinal surgery,many educators and researchers are actively exploring new teaching methods.Among them,the teaching method case-based learning(CBL),scene-simulated learning(SSL),task-based learning(TBL),combining self-evaluation and training mode is considered as an effective method.This method aims to help students to better master knowledge and skills and improve their comprehensive quality by cultivating their self-evaluation ability.AIM To explore the practical effect of CBL-SSL-TBL combined with training mode and student self-assessment in nursing teaching of gastrointestinal surgery.METHODS Seventy-one nursing interns in our hospital from December 2020 to December 2021 were selected.According to different teaching modes,they were divided into observation group CBL-SSL-TBL combined with training mode combined with student self-assessment and control group(conventional teaching mode),of which 36 were in observation group and 35 were in control group.The results of operational skills,theoretical knowledge,nursing students'satisfaction,learning effectiveness questionnaire and teaching effect were compared between the two groups.RESULTS Compared between the two groups,the operational skills and theoretical knowledge scores of the observation group were higher than those of the control group,and the difference was statistically significant(P<0.05).Compared between the two groups,the total satisfaction ratio of the observation group was higher than that of the control group,the difference was statistically significant(P<0.05).Compared between the two groups,the observation group was lower than the control group in the questionnaire results of learning efficacy,and the difference was statistically significant(P<0.05).Compared between the two groups,the proportion of thinking ability,subjective initiative and understanding of theoretical knowledge in the observation group was higher than that in the control group,the difference was statistically significant(P<0.05).CONCLUSION The use of CBL-SSL-TBL combined with training mode and student self-assessment in gastrointestinal surgery nursing teaching can improve the operational skills of nursing interns,theoretical knowledge and satisfaction scores of nursing students,improve the results of learning efficiency questionnaire and teaching effect,which can be popularized in clinical teaching. 展开更多
关键词 Gastrointestinal surgery Nursing teaching Teaching model practical effect Learning ability
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Practical Research on Promoting the Reform of“One Field for One Household”in Guoyang County
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作者 HOU Limin 《Journal of Landscape Research》 2024年第1期83-85,90,共4页
In recent years,the problem of farmland fragmentation has become a major obstacle to the development of modern agriculture,and the reform of“one field for one household”can effectively sort out cultivated land resou... In recent years,the problem of farmland fragmentation has become a major obstacle to the development of modern agriculture,and the reform of“one field for one household”can effectively sort out cultivated land resources,increase contracted land area,improve land utilization rate,and effectively solve the problems of contracted land dispersion and farmland fragmentation in rural areas.This paper systematically anatomized the practice and effects of“one household,one field”reform in Guoyang County,analyzed the problems existing in the implementation process,and put forward corresponding suggestions and countermeasures,in order to provide experience and reference for the reform of one field in other regions. 展开更多
关键词 One field for each household Reform practice Guoyang County
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Experiences of Practical Nurses in Promoting the Rehabilitation of the Elderly and Their Education - A Secondary Publication
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作者 Maria Korvola Sinikka Lotvonen +2 位作者 Heidi Siira Helvi Kyngäs Kaisa-Mari Saarela 《Journal of Clinical and Nursing Research》 2024年第4期340-352,共13页
The significance of rehabilitation-promoting nursing care is emphasized in aging Finland. According to studies, rehabilitation-promoting nursing care enhances the functional capacity of the elderly. The Elderly Servic... The significance of rehabilitation-promoting nursing care is emphasized in aging Finland. According to studies, rehabilitation-promoting nursing care enhances the functional capacity of the elderly. The Elderly Services Act obliges municipalities to create a plan to support the elderly population, emphasizing home care and rehabilitation measures. A large portion of graduated practical nurses will be working with the elderly, so the education of practical nurses must meet the needs of the workforce. The study aimed to produce new information on the implementation of rehabilitation- promoting nursing care in the elderly service system and on the education of rehabilitation-promoting nursing care for the elderly in vocational institutions. The research data was collected in the autumn of 2020 through individual thematic interviews with practical nurse students (n = 8). The data was analyzed using inductive content analysis. Practical nurse students’ experiences of rehabilitation-promoting nursing care for the elderly were related to nurses’ time management, organizational practices, nursing competence, nurses’ attitudes, nurses’ practices, organizational development, implementation and development of practical education, factors affecting the use of aids, and technological aspects of aids in the future. In conclusion, it can be stated that the content of education and practical work life do not align. It is essential to increase competence in rehabilitation-promoting nursing care and to develop organizational practices. 展开更多
关键词 Rehabilitation-promoting nursing care Elderly service system practical nurse education Organizational practices Functional capacity
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Reform of Practical Teaching of “Linux Operating System Fundamentals” Under the Background of Emerging Engineering Education
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作者 Zhenhua Wang Chunli Chen Yuzhu Wang 《Journal of Contemporary Educational Research》 2024年第3期19-26,共8页
With the advancement of the construction of emerging engineering education,the reform of practical teaching has become an important task of higher engineering education.This article takes the course“Linux Operating S... With the advancement of the construction of emerging engineering education,the reform of practical teaching has become an important task of higher engineering education.This article takes the course“Linux Operating System Fundamentals”as an example to explore practical teaching reform in the context of emerging engineering education.By analyzing the current situation and problems in course practical teaching,we proposed practical teaching reforms such as online experiments,practical content updates,project-based engineering practices,and diversified evaluation models,and designed corresponding implementation plans.Practice has proved that this reform can improve students’learning interest and engineering practical skills,and cultivate outstanding engineers with innovative spirit and practical skills. 展开更多
关键词 Emerging engineering education practical teaching reform Project practice Virtual experiments
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Practical guide:Glucagon-like peptide-1 and dual glucosedependent insulinotropic polypeptide and glucagon-like peptide-1 receptor agonists in diabetes mellitus
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作者 Saleh Fahad Alqifari Omar Alkomi +13 位作者 Abdullah Esmail Khadijeh Alkhawami Shahd Yousri Mohamad Ayham Muqresh Nawwarah Alharbi Abdullah A Khojah Ahmed Aljabri Abdulrahman Allahham Kousalya Prabahar Hanan Alshareef Mohammed Aldhaeefi Tariq Alrasheed Ali Alrabiah Laila A AlBishi 《World Journal of Diabetes》 SCIE 2024年第3期331-347,共17页
Practical guide:Glucagon-like peptide-1 and dual glucosedependent insulinotropic polypeptide and glucagon-like peptide-1 receptor agonists in diabetes mellitus common second-line choice after metformin for treating T2... Practical guide:Glucagon-like peptide-1 and dual glucosedependent insulinotropic polypeptide and glucagon-like peptide-1 receptor agonists in diabetes mellitus common second-line choice after metformin for treating T2DM.Various considerations can make selecting and switching between different GLP-1 RAs challenging.Our study aims to provide a comprehensive guide for the usage of GLP-1 RAs and dual GIP and GLP-1 RAs for the management of T2DM. 展开更多
关键词 Glucagon-like peptide-1 receptor agonist Diabetes mellitus Metabolic syndrome Dual glucose-dependent insulinotropic polypeptide and glucagon-like peptide-1 receptor agonist Clinical practice ENDOCRINOLOGY
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Practical English Oral Expression and Communication Skills
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作者 Jiaxin Li 《Journal of Educational Theory and Management》 2024年第1期13-17,共5页
In this era of globalization,English has become the universal language for international communication.Whether it’s business negotiations,studying abroad,or daily communication,fluent English oral expression is cruci... In this era of globalization,English has become the universal language for international communication.Whether it’s business negotiations,studying abroad,or daily communication,fluent English oral expression is crucial.For studying abroad,good English oral expression skills can not only help you better adapt to the new environment,but also allow you to have a deeper understanding of the local culture.In daily life,being able to express your thoughts fluently in English can help you better communicate with foreign friends and expand your social circle.Therefore,improving English oral expression ability is very important for everyone.Below,the author will share some practical English oral expression and communication skills to help you improve your English speaking skills and communicate more confidently with others.By mastering these practical English oral expression and communication skills,your English oral proficiency will improve and you will be more confident in communicating with others. 展开更多
关键词 practical English SPEAKING EXPRESSION Communication skills
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Exploration of Practical English Teaching Strategies and Methods
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作者 Jiaxin Li 《Review of Educational Theory》 2024年第1期15-19,共5页
With the accelerated development of globalization,the importance of English as an international language is self-evident.However,traditional English teaching often focuses on grammar and vocabulary,while neglecting pr... With the accelerated development of globalization,the importance of English as an international language is self-evident.However,traditional English teaching often focuses on grammar and vocabulary,while neglecting practical applications.In order to cultivate students who can use English fluently and confidently,we need to conduct in-depth discussions on English teaching strategies and methods.In terms of speaking,teachers can arrange classroom discussions,role-playing,and other activities to encourage students to speak English boldly.Through continuous practice,students can gradually overcome shyness and nervousness,improve their fluency and confidence in oral expression.This teaching method can not only help students better understand the English language,but also broaden their horizons and improve their cross-cultural communication skills.This article will illustrate the necessity of practical English teaching through examples and case studies,and explore effective teaching strategies and methods. 展开更多
关键词 practical English Teaching strategies Teaching method
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Teaching Reform and Exploration of Practical Courses Based on Programmable Control
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作者 Hang Xu 《Journal of Contemporary Educational Research》 2024年第6期211-215,共5页
As the country continues to promote the development of intelligent manufacturing,all industries are carrying out enterprise automation upgrading,the Pearl River Delta Intelligent Manufacturing Conference held in March... As the country continues to promote the development of intelligent manufacturing,all industries are carrying out enterprise automation upgrading,the Pearl River Delta Intelligent Manufacturing Conference held in March 2024 provides a direction guide for each enterprise on how to integrate the intelligent manufacturing technology into each link and provide direction guidance for enterprises to create new models and new business formats.College teachers,in focusing on the teaching process,should closely match the enterprise and social needs and cultivate excellent students.As the core controller of automation control,the application of programmable controllers in teaching is particularly important.In practical classes,by setting progressive difficulty,project guidance,team collaboration,and other links,students can master the automation equipment design of programmable control in repeated practice. 展开更多
关键词 Programmable controller practical course Project guidelines TEAMWORK
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Research Status,Practical Dilemmas,and Optimization Strategies of Blended Teaching in Universities
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作者 Zhiying Zhu Yinxia Wei 《Journal of Contemporary Educational Research》 2024年第7期210-215,共6页
Blended teaching has emerged as a prominent subject in the recent reform and innovation of higher education.It has become imperative and guiding for colleges and universities to embrace a mixed teaching approach that ... Blended teaching has emerged as a prominent subject in the recent reform and innovation of higher education.It has become imperative and guiding for colleges and universities to embrace a mixed teaching approach that aligns with the evolving needs of education and teaching in the new era.This paper aims to provide a comprehensive overview of the research status surrounding blended teaching,encompassing fundamental issues,teaching design,practical guidance,teaching effectiveness,and evaluation.By critically examining the current challenges associated with blended teaching,this study proposes optimization strategies including enhancing student participation and interaction,promoting deep learning,improving teachers’preparedness,teaching technologies,and curriculum design capabilities,strengthening top-level design,and perfecting evaluation and incentive mechanisms.These strategies provide new directions for the reform of blended teaching. 展开更多
关键词 Blended teaching Research status practical dilemma Optimization strategy
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Research on the Reform of Practical Teaching of Internet of Things Engineering in the Context of New Engineering
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作者 Kongduo Xing Ling Pan 《Journal of Electronic Research and Application》 2024年第2期74-78,共5页
The emergence of new engineering disciplines has resulted in the growing trend of cross-discipline,and the enhancement of students’technical application ability has become the main teaching objective of engineering d... The emergence of new engineering disciplines has resulted in the growing trend of cross-discipline,and the enhancement of students’technical application ability has become the main teaching objective of engineering disciplines.For this reason,the Internet of Things(IoT)engineering program should be actively reformed,providing students with sufficient opportunities to improve their practical skills.This paper identifies the challenges within practical teaching of IoT engineering,delves into effective strategies for practical IoT teaching within the context of emerging engineering disciplines,and presents practical teaching experiences from the School of Information Engineering at Hainan University of Science and Technology as a case study.The aim is to offer guidance and insights to educators in this field. 展开更多
关键词 New engineering background Internet of Things engineering major practice teaching
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Reform of the Comprehensive Practical Course System for Mechanical and Electronic Engineering Majors Under the Background of New Engineering
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作者 Yali Yu Keyi Wang Yong Yang 《Journal of Contemporary Educational Research》 2024年第2期85-90,共6页
Under the background of new engineering,the reform of the comprehensive practical course system for mechanical and electronic engineering majors actively responds to the challenges posed by the new round of technologi... Under the background of new engineering,the reform of the comprehensive practical course system for mechanical and electronic engineering majors actively responds to the challenges posed by the new round of technological revolution and industrial transformation to higher education,cultivating top-notch innovative intellectuals with comprehensive engineering qualities,meeting the requirements of being able to solve complex engineering problems rather than just cognitive capabilities,forming two core courses through reconstructing and reshaping the core courses of the major.The core courses include Drive,Measurement,and Control I and Drive,Measurement,and Control II,which highlight the comprehensive framework of mechanical and electronic engineering professional knowledge,continuing the comprehensive practical course system based on the unity of knowledge and practice,following the trend of new engineering,highlighting the practicality of professional innovation,assisting engineering education reform,and promoting high-quality development of new engineering professionals cultivation. 展开更多
关键词 Comprehensive engineering quality Mechanical and Electronic Engineering practical course system New engineering
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A Brief Discussion on the Construction of Practical Teaching System for the Traditional Chinese Medicine Resources and Development Major
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作者 Jiangwei Tian 《Journal of Contemporary Educational Research》 2024年第2期57-61,共5页
China’s traditional medicine,science,and technology industry has great development potential.However,there is a problem of insufficient practitioners in the current industrial development.At the same time,the capabil... China’s traditional medicine,science,and technology industry has great development potential.However,there is a problem of insufficient practitioners in the current industrial development.At the same time,the capabilities of existing practitioners do not match the demand standards.Therefore,it is necessary to actively promote the education of resources and development in Central Asia.As an institution for cultivating talents,colleges and universities must establish a practical teaching system for cultivating talents.Based on the requirements put forward by China in education,this article studies the development status of the traditional Chinese medicine resources and development major,determines the talent training goals,starts from the practical teaching aspect,and locates the industry’s requirements for the capabilities of personnel in the field of traditional Chinese medicine.It also puts forward the overall idea of the construction of the practical teaching system,summarizes the reform content of the practical teaching system,and lastly provides the specific path of the reform. 展开更多
关键词 Traditional Chinese medicine resources and development practical teaching Teaching resources
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Research on Practical Teaching of Ideological and Political Courses in Colleges and Universities and Collaborative Education in the Second Classroom
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作者 Luhua Xiao Pingping Liu Zimeng Li 《Journal of Contemporary Educational Research》 2024年第1期214-220,共7页
In today’s society,the need for talent training is of utmost importance due to rapid development.To achieve high-quality talent training,we need to focus on building a collaborative education mechanism.Practical teac... In today’s society,the need for talent training is of utmost importance due to rapid development.To achieve high-quality talent training,we need to focus on building a collaborative education mechanism.Practical teaching and the second classroom,which serve as important carriers of educational talents,must align their educational goals and complement each other.This article explores the collaborative education mechanism of the second classroom and practical teaching for the ideological and political courses in colleges and universities.It proposes reasonable construction measures to provide some guidelines for teaching work. 展开更多
关键词 Colleges and universities Ideological and political courses practical teaching Second classroom Collaborative education
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Practical evaluation of prelithiation strategies for next-generation lithium-ion batteries 被引量:3
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作者 Shiming Chen Zhen Wang +6 位作者 Meng Zhang Xiaoze Shi Lu Wang Weifeng An Zikun Li Feng Pan Luyi Yang 《Carbon Energy》 SCIE CSCD 2023年第8期55-77,共23页
With the increasing market demand for high-performance lithium-ion batteries with high-capacity electrode materials,reducing the irreversible capacity loss in the initial cycle and compensating for the active lithium ... With the increasing market demand for high-performance lithium-ion batteries with high-capacity electrode materials,reducing the irreversible capacity loss in the initial cycle and compensating for the active lithium loss during the cycling process are critical challenges.In recent years,various prelithiation strategies have been developed to overcome these issues.Since these approaches are carried out under a wide range of conditions,it is essential to evaluate their suitability for large-scale commercial applications.In this review,these strategies are categorized based on different battery assembling stages that they are implemented in,including active material synthesis,the slurry mixing process,electrode pretreatment,and battery fabrication.Furthermore,their advantages and disadvantages in commercial production are discussed from the perspective of thermodynamics and kinetics.This review aims to provide guidance for the future development of prelithiation strategies toward commercialization,which will potentially promote the practical application of next-generation high-energy-density lithium-ion batteries. 展开更多
关键词 high-energy-density irreversible capacity loss lithium-ion batteries practical application prelithiation
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Practical bipartite consensus for multi-agent systems:A barrier function-based adaptive sliding-mode control approach 被引量:3
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作者 Boda Ning Qing-Long Han Xiaohua Ge 《Journal of Automation and Intelligence》 2023年第1期14-19,共6页
This paper is concerned with bipartite consensus tracking for multi-agent systems with unknown disturbances.A barrier function-based adaptive sliding-mode control(SMC)approach is proposed such that the bipartite stead... This paper is concerned with bipartite consensus tracking for multi-agent systems with unknown disturbances.A barrier function-based adaptive sliding-mode control(SMC)approach is proposed such that the bipartite steady-state error is converged to a predefined region of zero in finite time.Specifically,based on an error auxiliary taking neighboring antagonistic interactions into account,an SMC law is designed with an adaptive gain.The gain can switch to a positive semi-definite barrier function to ensure that the error auxiliary is constrained to a predefined neighborhood of zero,which in turn guarantees practical bipartite consensus tracking.A distinguished feature of the proposed controller is its independence on the bound of disturbances,while the input chattering phenomenon is alleviated.Finally,a numerical example is provided to verify the effectiveness of the proposed controller. 展开更多
关键词 Barrier functions practical bipartite consensus Multi-agent systems Signed graphs Sliding-mode control
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The Practical Enlightenment of Chinese Modernization to the Modernization of Ideological and Political Education in Universities 被引量:1
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作者 Zhuli Feng 《Open Journal of Applied Sciences》 CAS 2023年第5期636-642,共7页
The report approved on The 20th National Congress of The Communist Party of China (CPC) explained deep meaning of Chinese modernization, which provided practical enlightenment and value guidance for the modernization ... The report approved on The 20th National Congress of The Communist Party of China (CPC) explained deep meaning of Chinese modernization, which provided practical enlightenment and value guidance for the modernization of ideological and political education in universities. The five distinctive characteristics of Chinese modernization, including “huge population”,“common prosperity for all”, “harmony between material and spiritual civilization”, “harmony between humanity and nature”, “following the path of peaceful development”, guided universities to build a more targeted ideological and political education system. In this way, universities can cultivate more talents for modernization cause. 展开更多
关键词 Chinese Modernization UNIVERSITIES Ideological and Political Education practical Enlightenment
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Incorporation ofκ-carrageenan improves the practical features of agar/konjac glucomannan/κ-carrageenan ternary system 被引量:1
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作者 Dongling Qiao Hao Li +3 位作者 Fatang Jiang Siming Zhao Sheng Chen Binjia Zhang 《Food Science and Human Wellness》 SCIE CSCD 2023年第2期512-519,共8页
Three materials(agar,konjac glucomannan(KGM)andκ-carrageenan)were used to prepare ternary systems,i.e.,sol-gels and their dried composites conditioned at varied relative humidity(RH)(33%,54%and 75%).Combined methods,... Three materials(agar,konjac glucomannan(KGM)andκ-carrageenan)were used to prepare ternary systems,i.e.,sol-gels and their dried composites conditioned at varied relative humidity(RH)(33%,54%and 75%).Combined methods,e.g.,scanning electron microscopy,small-angle X-ray scattering,infrared spectroscopy(IR)and X-ray diffraction(XRD),were used to disclose howκ-carrageenan addition tailors the features of agar/KGM/κ-carrageenan ternary system.As affirmed by IR and XRD,the ternary systems withκ-carrageenan below 25%(agar/KGM/carrageenan,50:25:25,m/m)displayed proper component interactions,which increased the sol-gel transition temperature and the hardness of obtained gels.For instance,the ternary composites could show hardness about 3 to 4 times higher than that for binary counterpart.These gels were dehydrated to acquire ternary composites.Compared to agar/KGM composite,the ternary composites showed fewer crystallites and nanoscale orders,and newly-formed nanoscale structures from chain assembly.Such multi-scale structures,for composites withκ-carrageenan below 25%,showed weaker changes with RH,as revealed by especially morphologic and crystalline features.Consequently,the ternary composites with lessκ-carrageenan(below 25%)exhibited stabilized elongation at break and hydrophilicity at different RHs.This hints to us that agar/KGM/κ-carrageenan composite systems can display series applications with improved features,e.g.,increased sol-gel transition point. 展开更多
关键词 Agar/konjac glucomannan/κ-carrageenan ternary system Component interaction Multi-scale structure practical features
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Practical prescribed-time tracking control for uncertain strict-feedback systems with guaranteed performance under unknown control directions 被引量:1
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作者 Zhou Yang Yujuan Wang Frank L.Lewis 《Journal of Automation and Intelligence》 2023年第2期99-104,共6页
In this paper,we consider the practical prescribed-time performance guaranteed tracking control problem for a class of uncertain strict-feedback systems subject to unknown control direction.Due to the existence of unk... In this paper,we consider the practical prescribed-time performance guaranteed tracking control problem for a class of uncertain strict-feedback systems subject to unknown control direction.Due to the existence of unknown nonlinearities and uncertainties,it is challenging to design a controller that can ensure the stability of closed-loop system within a predetermined finite time while maintaining the specified transient performance.The underlying problem becomes further complex as the control directions are unknown.To deal with the above problems,a special translation function as well as Nussbaum type function are introduced in the prescribed performance control(PPC)framework.Finally,a PPC as well as preset finite time tracking control scheme is designed,and its effectiveness is confirmed by both theoretical analysis and numerical simulation. 展开更多
关键词 Strict-feedback systems practical prescribed-time control Prescribed performance control Unknown control direction
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