Science Talks最新文献_第4页

The development of interprofessional training tools in shared decision-making; a shared journey 共同决策的跨专业培训工具的开发；共同的旅程

Science Talks

Pub Date : 2025-05-14 DOI: 10.1016/j.sctalk.2025.100464

Alice T. Bakker , Loes J. Peters , Janita Bakker , Dirk T. Ubbink

The implementation program of Shared Decision Making (SDM) in medical and nursing curricula was part of the national program Uitkomstgerichte Zorg (UZ) (Outcome-Oriented Care) in the Netherlands. This initiative was embedded in evolving policies aiming to restructure care. Together with the Netherlands Patients Federation, Netherlands Federation of University Medical Centres, Dutch Federation of Medical Specialists, and the Dutch Professional Nurse Practitioner Organisation, the project was successfully completed in 2023. The result is a comprehensive educational package with support materials to help educators integrate SDM into national curricula.

An evaluation among stakeholders and research in three hospitals revealed challenges in implementing SDM in clinical practice. Although healthcare providers report proficiency in SDM, its application, measured with the OPTION-5 instrument, remains limited. Interprofessional collaboration is critical, but role division is often unclear. Nurses, in particular, express uncertainty about their role and see opportunities for improvement. Continuing education on SDM is scarce, with healthcare providers primarily acquiring these skills informally through colleagues or experiential learning.

This program highlights the need for clear role definitions and structured training to embed SDM into clinical practice effectively, bridging the gap between self-reported competence and observed implementation.

共同决策（SDM）在医学和护理课程中的实施方案是荷兰国家方案Uitkomstgerichte Zorg（结果导向护理）的一部分。这一举措被纳入旨在调整医疗结构的不断演变的政策中。该项目与荷兰患者联合会、荷兰大学医疗中心联合会、荷兰医学专家联合会和荷兰专业护士执业组织一道，于2023年成功完成。其结果是一个全面的教育包和支持材料，以帮助教育工作者将可持续发展管理纳入国家课程。利益相关者之间的评估和三家医院的研究揭示了在临床实践中实施SDM的挑战。尽管医疗保健提供者报告了SDM的熟练程度，但其应用（用OPTION-5仪器测量）仍然有限。跨专业合作至关重要，但角色划分往往不明确。尤其是护士，他们对自己的角色表示不确定，并看到了改进的机会。关于SDM的继续教育很少，医疗保健提供者主要通过同事或体验式学习非正式地获得这些技能。该项目强调需要明确的角色定义和结构化的培训，将SDM有效地嵌入临床实践，弥合自我报告能力和观察执行之间的差距。

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引用次数: 0

Effects of diets using fruit and vegetables by-products and fishmeal, on the proximate and fatty acid composition of edible insect powder 果蔬副产物和鱼粉对食用昆虫粉脂肪酸和脂肪酸组成的影响

Science Talks

Pub Date : 2025-05-14 DOI: 10.1016/j.sctalk.2025.100463

João Reis , Margarida Oliveira , Ana Neves , Marta Abreu , Rafaela Andrade , Cristina Ramos , Cristina Roseiro , Ana Partidário , Manuela Vida , Gonçalo Costa , Raphael Lucas , Nuno Alvarenga , Igor Dias

SPIN-Sustainable Protein project, funded by RRF, aims to explore sustainable protein production from alternate sources and incorporate them into the Mediterranean Diet. One such source are insects, appealing for their potential to eat food byproducts. The insect model is the common house cricket, Acheta domesticus. Since the insect's diet can determine the product's characteristics, this study tested two feed formulations: 1) chicken feed and vegetable byproducts (50:50); 2) fishmeal from Silurus glanis, vegetable byproducts and chicken feed (25:53:22). After 55-day growth period, the crickets were processed and analysed (proximate composition, microbiologically and lipid content). Formulation 1 resulted in 64 % protein, 14 % lipids, 9 % fibre, 4 % water, 4 % ashes and 4 % hydrocarbons, while formulation 2 resulted in 68 % protein, 14 % lipids, 9 % fibre, 3 % water, 5 % ashes and 1 % hydrocarbons. Lipids were mainly linoleic, oleic and palmitic acids. Microbiologically, both samples meet the EU requirements and microbial safety indicators, except for the presence of Enterococcus and sulphite-reducing Clostridia in formulation 2's powder, requiring a heating step when used. Due to the use of fishmeal, the second formulation produced a cricket powder richer in protein and with a distinct lipid profile.

This study contributes to sustainable development goals 2, 12 and 13.

由RRF资助的自旋可持续蛋白质项目旨在探索可替代来源的可持续蛋白质生产，并将其纳入地中海饮食。其中一个来源是昆虫，因为它们有吃食物副产品的潜力。昆虫模型是常见的家蟋蟀，家蟋蟀。由于昆虫的饮食可以决定产品的特性，本研究测试了两种饲料配方：1)鸡饲料和蔬菜副产品（50:50）；2)青鱼鱼粉，蔬菜副产品和鸡饲料（25:53:22）。在55天的生长期后，对蟋蟀进行加工和分析（近似组成，微生物和脂质含量）。配方1为64%蛋白质、14%脂类、9%纤维、4%水、4%灰和4%碳氢化合物，而配方2为68%蛋白质、14%脂类、9%纤维、3%水、5%灰和1%碳氢化合物。脂质主要为亚油酸、油酸和棕榈酸。在微生物学方面，两种样品均符合欧盟要求和微生物安全指标，但配方2的粉末中存在肠球菌和亚硫酸盐还原梭菌，使用时需要加热步骤。由于使用了鱼粉，第二种配方产生了富含蛋白质和具有独特脂质特征的蟋蟀粉。这项研究有助于实现可持续发展目标2、12和13。

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引用次数: 0

Improving the adaptive capacity of NSW land use planning 提高新州土地利用规划的适应能力

Science Talks

Pub Date : 2025-05-08 DOI: 10.1016/j.sctalk.2025.100462

Ian McNicol

Australian communities are increasingly threatened by climate change. Land use planning as a system that anticipates and manages local spatial change is widely recognised as a climate adaptation solution. Climate problems will affect whole communities so effective adaptive responses will require planning that is both spatial and social in scope.

The planning system of NSW is used as a case study to establish how the planning system can guide local community adaptation. The problem of increasing local adaptive capacity draws in theories of planning, organisational learning, systems, adaptation, and adaptive and anticipatory governance. The emergent conceptual solution is a planning institution that enables recursive and adaptive learning. Transformative change is required to make the NSW planning system adaptive. Transformative changes would restructure planning as a self-learning system at all administrative levels which raises practical administration and maladaptation issues. Rather than focus adaptive change on land use planning, an optimal solution may be that NSW as an administrative and institutional system becomes an adaptation pathway.

澳大利亚社区正日益受到气候变化的威胁。土地利用规划作为一种预测和管理地方空间变化的系统，被广泛认为是一种气候适应解决方案。气候问题将影响到整个社区，因此有效的适应性反应将需要在空间和社会范围内进行规划。以新南威尔士州的规划体系为例，探讨规划体系如何引导当地社区适应环境。提高地方适应能力的问题涉及规划、组织学习、系统、适应以及适应性和预见性治理等理论。涌现的概念性解决方案是一个能够实现递归和适应性学习的规划机构。要使新南威尔士州的规划系统具有适应性，就需要进行变革。变革性的变革将把规划改组为所有行政级别的自学系统，这会引起实际的行政和适应不良问题。与其将适应性变化的焦点放在土地利用规划上，不如将新南威尔士州作为一个行政和制度系统，成为一个适应路径。

引用次数: 0

Diversification dynamics: Gold Coast's tourism industry in economic development perspective 多元化动态：经济发展视角下的黄金海岸旅游业

Science Talks

Pub Date : 2025-04-29 DOI: 10.1016/j.sctalk.2025.100461

Safdar Ullah Khan, Alexandra Bec

The post-COVID landscape poses significant challenges and opportunities for the tourism sector in Gold Coast, prompting a reevaluation of policies and strategies to ensure sustainable recovery and future growth. This study examines the impact of tourism loss on a regional economy, focusing on mitigating upheavals through economic expansion in a portfolio framework. Utilizing modern portfolio investment strategies and economic development perspectives, we determine an optimal balance of high returns and low risk for the entire economy. Each sub-sector of tourism is analysed to understand its role in risk minimization, diversification, and long-term economic growth, integral to the Gold Coast's economic plan. Additionally, we explore how tourism intersects with other high-value industries. Initial findings suggest tourism could outpace overall economic growth and currently reduces 90 % of total risk in a fully diversified economy. Using the modern portfolio investment framework, we identify significant intersections between tourism and other sectors. This framework aids policymakers in devising effective sector development initiatives for stable long-term growth.

新冠疫情后的形势给黄金海岸的旅游业带来了重大挑战和机遇，促使人们重新评估政策和战略，以确保可持续的复苏和未来的增长。本研究考察了旅游损失对区域经济的影响，重点是在投资组合框架下通过经济扩张来缓解动荡。利用现代证券投资策略和经济发展观点，我们确定了整个经济的高回报和低风险的最佳平衡。对旅游的每个子部门进行分析，以了解其在风险最小化，多样化和长期经济增长中的作用，这是黄金海岸经济计划不可或缺的一部分。此外，我们还探讨了旅游业与其他高价值产业的交叉。初步调查结果表明，旅游业的增长速度可能超过整体经济增长速度，目前在完全多元化的经济中，旅游业可以减少90%的总风险。利用现代证券投资框架，我们确定了旅游业与其他行业之间的重要交叉点。这一框架有助于决策者制定有效的部门发展举措，以实现稳定的长期增长。

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引用次数: 0

Peer patient round table: FNP student evaluation of clinical performance 同侪病人圆桌会议：FNP学生临床表现评估

Science Talks

Pub Date : 2025-04-29 DOI: 10.1016/j.sctalk.2025.100460

Marjorie Young, Carey Cole, Eunyoung Lee

Backgrounds

Clinical performance is a crucial part of evaluation in FNP education and has traditionally been accomplished through faculty site visits. The evolution of distance learning, online programs, and the COVID-19 pandemic have further complicated the difficulty of completing site visits, requiring innovation in education. The Peer Patient Round Table (PPRT) was developed as the alternative evaluation method of student performance. In the PPRT method, students are involved in the shared role-play of three roles a patient, a nurse practitioner student, and a preceptor in individual scenarios.

Purpose

This project evaluated the PPRT experiences of students and faculty.

Methods

A mixed-method post-intervention pilot study was conducted using a qualitative and quantitative survey, among 14 NP students and 4 faculty who participated in the PPRT sessions during the COVID-19 pandemic.

Results/conclusions

Both students and faculty reported that the PPRT evaluation method effectively measures students' clinical performance, comparable to traditional site visits. Several positive aspects of PPRT were highlighted: the dynamic peer interaction, the evolution of thought processes through three different viewpoints/roles, and students challenging themselves to think out of the box based on each role, along with greater responsibility and independence to complete the patient visit. Limitations and recommendations were discussed.

临床表现是FNP教育评估的重要组成部分，传统上是通过教师实地考察来完成的。远程教育、在线课程的发展和新冠肺炎疫情进一步加大了实地考察的难度，需要在教育方面进行创新。同伴病人圆桌会议（PPRT）被开发作为学生表现的替代评估方法。在PPRT方法中，学生参与到三个角色的共同角色扮演中：病人、执业护士学生和个别场景中的导师。目的本项目评估学生和教师的PPRT体验。方法采用定性和定量调查的方法，对新冠肺炎大流行期间参加PPRT会议的14名NP学生和4名教师进行混合方法干预后试点研究。结果/结论学生和教师都报告说，PPRT评估方法有效地衡量了学生的临床表现，可与传统的实地考察相媲美。强调了PPRT的几个积极方面：动态的同伴互动，通过三个不同的观点/角色的思维过程的演变，学生挑战自己，根据每个角色跳出框框思考，以及更大的责任和独立性来完成病人的访问。讨论了局限性和建议。

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引用次数: 0

Trust yourself and trust the students! Lessons learned from ditching straight lecturing and using arts-based strategies in the classroom 相信自己，相信学生！在课堂上摒弃直接说教，采用以艺术为基础的策略

Science Talks

Pub Date : 2025-04-23 DOI: 10.1016/j.sctalk.2025.100459

Sharon Martinelli, Michelle Camilleri

In today's digital world, where information is literally out there at a click of a button, the approach to teaching and learning needs to change. Through our study unit on personal and professional growth and development, we transitioned from disruptors to innovators. We accomplished this by adopting a radically new approach to our teaching and learning processes using an arts-based lens so as to impact their growth and development as student nurses. Participation in the study was entirely voluntary. We designed a web-based survey of Likert scales and open-ended questions to explore students' perspectives on the approach to teaching and learning adopted. Data was also collected from students' reflective writing excerpts. Data from ourselves as educators was captured through ongoing conversations. Data was analysed using simple descriptive statistics for the quantitative data as well as thematic analysis for the text data. The findings show that the teaching and learning approach was well received as it was found to be situational, dynamic, engaging, active and above all relevant.

Similarly, as educators we observed significant growth and development in our students throughout the study unit, which was captured through the changing nature of the discussions, the engagement in the activities as well as changes to the writing overtime. There are wide ranging implications of our findings. Educators need to make a shift from imparting knowledge to the co-creation and generation of new knowledge or new understandings. Students will engage if the learning is meaningful to them, and when this is done in a collaborative manner.

在今天的数字世界里，只要点击一下按钮，信息就会在那里，教学和学习的方法需要改变。通过我们关于个人和职业成长与发展的学习单元，我们从颠覆者转变为创新者。我们通过采用一种全新的教学方法来实现这一目标，以艺术为基础的视角来影响学生护士的成长和发展。参与这项研究完全是自愿的。我们设计了一项基于网络的李克特量表调查和开放式问题，以探索学生对所采用的教学方法的看法。数据也从学生的反思性写作节选中收集。我们作为教育者的数据是通过持续的对话获取的。数据分析使用简单的描述性统计的定量数据和专题分析的文本数据。调查结果表明，教学方法很受欢迎，因为它被发现是情境化的、动态的、引人入胜的、积极的，最重要的是相关的。同样，作为教育工作者，我们在整个学习单元中观察到学生的显著成长和发展，这是通过讨论性质的变化、活动的参与以及写作的变化来捕捉的。我们的发现有广泛的含义。教育工作者需要从传授知识转向共同创造和产生新知识或新理解。如果学习对他们有意义，并且以合作的方式完成，学生就会参与其中。

{"title":"Trust yourself and trust the students! Lessons learned from ditching straight lecturing and using arts-based strategies in the classroom","authors":"Sharon Martinelli, Michelle Camilleri","doi":"10.1016/j.sctalk.2025.100459","DOIUrl":"10.1016/j.sctalk.2025.100459","url":null,"abstract":"<div><div>In today's digital world, where information is literally out there at a click of a button, the approach to teaching and learning needs to change. Through our study unit on personal and professional growth and development, we transitioned from disruptors to innovators. We accomplished this by adopting a radically new approach to our teaching and learning processes using an arts-based lens so as to impact their growth and development as student nurses. Participation in the study was entirely voluntary. We designed a web-based survey of Likert scales and open-ended questions to explore students' perspectives on the approach to teaching and learning adopted. Data was also collected from students' reflective writing excerpts. Data from ourselves as educators was captured through ongoing conversations. Data was analysed using simple descriptive statistics for the quantitative data as well as thematic analysis for the text data. The findings show that the teaching and learning approach was well received as it was found to be situational, dynamic, engaging, active and above all relevant.</div><div>Similarly, as educators we observed significant growth and development in our students throughout the study unit, which was captured through the changing nature of the discussions, the engagement in the activities as well as changes to the writing overtime. There are wide ranging implications of our findings. Educators need to make a shift from imparting knowledge to the co-creation and generation of new knowledge or new understandings. Students will engage if the learning is meaningful to them, and when this is done in a collaborative manner.</div></div>","PeriodicalId":101148,"journal":{"name":"Science Talks","volume":"14 ","pages":"Article 100459"},"PeriodicalIF":0.0,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144106107","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

The role of theatre visits in authentic content development: A case from academic writing class 戏剧参观在真实内容发展中的作用：以学术写作课为例

Science Talks

Pub Date : 2025-04-11 DOI: 10.1016/j.sctalk.2025.100458

Tamilla Mammadova

Aim

This tutorial aims to demonstrate the integration of authentic art, specifically theatre visitations, into the academic writing and information literacy course curriculum. It positions this approach as an innovative tool to prevent academic misconduct and boost student motivation.

Background

The incorporation of visual art into course programs fosters critical thinking, broadens students' contextual understanding, and significantly reduces instances of plagiarism. We emphasize the transformative impact of authentic theatre plays, arguing that they enhance imagination, encourage self-reflection, and promote skills like argumentation and critique. These competencies are essential for success not only in academic writing and information literacy (AW & IL) courses but also in broader academic and professional contexts.

Description

The study employs a qualitative methodology to analyze students' perceptions of their theatre visitations as reflected in their written assignments. Follow-up reflections are also examined to provide deeper insights into the observed outcomes.

Results

The analysis identified several key themes emerging from students' reflections. Among the reported benefits of theatre visitations were increased engagement, enhanced critical thinking, and a deeper understanding of course content. Additionally, students expressed a strong interest in incorporating task-based projects into the academic writing curriculum.

Conclusion

This tutorial provides valuable insights for academic writing and information literacy instructors seeking to develop innovative strategies for integrating authentic activities, such as theatre visitations, into their curricula. Such activities offer opportunities to rethink grading rubrics and address challenges related to academic misconduct, including the misuse of artificial intelligence in graded assignments. Furthermore, the tutorial offers practical recommendations and highlights new directions for enhancing student engagement and integrity in academic coursework.

本教程旨在展示如何将真实艺术，特别是剧院参观，融入学术写作和信息素养课程。背景将视觉艺术融入课程项目可以培养学生的批判性思维，拓宽学生的语境理解能力，并显著减少抄袭现象。我们强调真实戏剧的变革性影响，认为它们能增强想象力，鼓励自我反思，促进论证和评论等技能。这些能力不仅对学术写作和信息素养（AW & IL）课程的成功至关重要，而且对更广泛的学术和专业背景也至关重要。结果分析从学生的反思中发现了几个关键主题。据报告，剧场参观的益处包括提高了参与度、增强了批判性思维以及加深了对课程内容的理解。此外，学生们对将基于任务的项目纳入学术写作课程表示出浓厚的兴趣。结论本教程为学术写作和信息扫盲教师提供了宝贵的见解，帮助他们制定创新策略，将真实的活动（如剧场参观）纳入课程。这些活动为重新思考评分标准和应对与学术不端行为有关的挑战（包括在评分作业中滥用人工智能）提供了机会。此外，教程还提供了实用建议，并强调了在学术课程作业中提高学生参与度和诚信度的新方向。

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引用次数: 0

Hydrothermal carbonization of digested sludge from wastewater treatment plants: Processes, potential and key challenges 废水处理厂消化污泥的水热碳化：工艺、潜力和关键挑战

Science Talks

Pub Date : 2025-04-03 DOI: 10.1016/j.sctalk.2025.100457

Nina Kossińska , Renata Krzyżyńska , Heba Ghazal , Hussam Jouhara , Marzena Kwapińska , Witold Kwapiński

The presentation reviews hydrothermal carbonization of digested sludge as a complementary technology for sludge management at wastewater treatment plants. The motivation for expanding the knowledge of hydrothermal carbonization is the challenges of wastewater treatment plants: the increasing volume of sludge, high moisture content, the presence of organic and inorganic contaminants, rising disposal costs, and legislative amendments. Hydrothermal carbonization makes it possible to convert wet sludge under conditions (160–250 °C,10–30 bar) into hydrophobic hydrochars, but also liquids and gases, eliminating the need for drying. The process also offers heat recovery and integration into existing wastewater treatment plant infrastructure. A key aspect of implementing hydrothermal carbonization is understanding the impact of individual process parameters and their interactions on chemical reaction pathways, and optimizing operating conditions for specific applications. The presentation discusses two pathways for hydrochar utilization: as soil additives or as fuels in thermal processes, assessing their environmental and legal potential. Process liquids were evaluated as a source of valuable resources that can be recovered or used in situ. Despite the compatibility of hydrothermal carbonization with Green Deal policies, challenges related to energy efficiency, legislative compliance, public acceptance, and high investment costs for integrated thermal technologies still need to be addressed. Overcoming these barriers will enable the implementation of hydrothermal carbonization as a sustainable technology in a circular economy.

本报告回顾了消化污泥的水热碳化作为污水处理厂污泥管理的补充技术。扩大水热碳化知识的动机是废水处理厂面临的挑战：污泥体积增加，水分含量高，有机和无机污染物的存在，处理成本上升，以及立法修正案。水热碳化可以将湿污泥在160-250°C， 10-30 bar的条件下转化为疏水水炭，也可以转化为液体和气体，从而消除了干燥的需要。该工艺还提供热回收和集成到现有的污水处理厂基础设施。实现水热碳化的一个关键方面是了解各个工艺参数及其相互作用对化学反应途径的影响，并为特定应用优化操作条件。本报告讨论了碳氢化合物利用的两种途径：作为土壤添加剂或作为热过程中的燃料，并评估了它们的环境和法律潜力。工艺液体被评价为可就地回收或利用的宝贵资源来源。尽管热液碳化符合绿色协议政策，但仍需要解决与能源效率、立法合规性、公众接受度和综合热技术高投资成本相关的挑战。克服这些障碍将使热液碳化作为循环经济中的可持续技术得以实施。

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引用次数: 0

Perceived food saltiness vs actual NaCl content – An inspiration for innovation of reduced-salt foods 感知到的食物咸度与实际的NaCl含量——对低盐食品创新的启发

Science Talks

Pub Date : 2025-04-01 DOI: 10.1016/j.sctalk.2025.100456

Sara R. Jaeger , Hanna Johannesson , Josefin Svensson , Madeleine Jönsson , Anna Calvén , Karin Wendin

Globally, dietary salt intake significantly exceeds the WHO's recommendations of 5 g/day. A high salt intake can lead to high blood pressure which increases the risk of serious diseases such as cardiovascular diseases and stroke. It is known that some foods are perceived as saltier than their actual salt content. Such foods may have a “salt substitution potential” to be used in product development of food that are perceived saltier than their actual salt content.

The aim was 1) to quantify perception of saltiness in a broad range of foods as perceived by consumers; 2) to identify foods that have a high “salt substitution potential”.

318 participants answered an online survey on perceived saltiness of 59 common foods. By comparing actual salt content with perceived saltiness, a “salt substitution index” was calculated for each of the food items.

Results showed that balsamic vinegar, followed by tomato puree and cheese pufs had the high salt substitution potential. Perception of a higher salinity than the actual salt content may be explained by the distribution of salt. It may also be explained by associations to saltiness, preferences and sensitivity. This may help guide reduced-salt product innovation efforts and contribute to improved dietary health.

在全球范围内，膳食盐摄入量大大超过了世界卫生组织建议的每天5克。高盐摄入会导致高血压，从而增加患心血管疾病和中风等严重疾病的风险。众所周知，有些食物被认为比实际含盐量更咸。这类食品可能具有“替代盐的潜力”，可用于食品产品开发，使人们认为其含盐量高于实际含盐量。目的是1)量化消费者对各种食品中咸度的感知；2)识别具有高“盐替代潜力”的食物。318名参与者回答了一项关于59种常见食物的咸度感知的在线调查。通过比较实际含盐量和感知咸度，计算出每种食物的“盐替代指数”。结果表明，香醋、番茄酱和奶酪泡芙具有较高的盐替代潜力。感觉盐度高于实际含盐量可以用盐的分布来解释。这也可以解释为与咸味、偏好和敏感性有关。这可能有助于指导低盐产品的创新努力，并有助于改善饮食健康。

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引用次数: 0

Background noise in acoustic-based non-intrusive condition monitoring of steam traps 基于声学的非侵入式蒸汽疏水阀状态监测中的背景噪声

Science Talks

Pub Date : 2025-03-28 DOI: 10.1016/j.sctalk.2025.100455

Vitaliy Sechenyh, Sean Swift, Piyush Lakhani, Julien Porré

Environmental impact from operation of steam and condensate systems can be reduced by an introduction of condition monitoring. Benefits of condition monitoring include reduction of downtime and repair costs, maintenance schedules optimisation, and potential reduction of safety risks. The use of acoustic-based monitoring provides an advanced approach which is non-intrusive to steam traps operation. However, acoustic signals in an industrial environment can be affected by background noise from neighboring operating equipment which poses a challenge in a development of condition monitoring methods. Acoustic-based methods are sensitive to noise emitted by condensate pumps, blowdown valves, maintenance works, leaking isolation valves, pressure reducing valves, pressure maintaining valves, etc. This study is aiming to highlight the importance of distinguishing operational regimes of monitored steam traps from various background noise sources. This study includes a review with demonstration of different cases of background noise in steam and condensate systems with outcomes of condition monitoring based on analysis of acoustic signals recorded at various manufacturing facilities. This study showed that background noise emitted by pressure maintaining valves and nearby steam traps reduces accuracy of condition monitoring the most. While short events and periodic noise only affect steam leakage rate estimations.

通过引入状态监测，可以减少蒸汽和冷凝水系统运行对环境的影响。状态监测的好处包括减少停机时间和维修成本，优化维护计划，并降低潜在的安全风险。声波监测的使用提供了一种先进的方法，对蒸汽疏水阀的操作没有干扰。然而，工业环境中的声信号可能受到邻近操作设备的背景噪声的影响，这对状态监测方法的发展提出了挑战。基于声学的方法对冷凝泵、排污阀、维修工程、泄漏隔离阀、减压阀、保压阀等发出的噪声很敏感。本研究旨在强调从各种背景噪声源中区分被监测蒸汽疏水阀的运行机制的重要性。本研究包括回顾和演示蒸汽和冷凝水系统中不同的背景噪声案例，以及基于在不同制造设施中记录的声学信号分析的状态监测结果。研究表明，保压阀及其附近疏水阀所产生的背景噪声对状态监测的准确性影响最大。而短事件和周期性噪声只影响蒸汽泄漏率的估计。

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引用次数: 0