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Thematische Bibliographien / Volume based maintenace / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Volume based maintenace“

Autor: Grafiati

Veröffentlicht am 24. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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Ouyang, Nan. "Comprehensive Operation Risk Assessment of a Highway Maintenance Area Based on Reliability." Sustainability 13, no. 16 (2021): 8744. http://dx.doi.org/10.3390/su13168744.

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To study the influence of various working conditions on traffic safety in the maintenance area of a mountain expressway, 675 groups of PTV VISSIM traffic simulation experiments were designed with various traffic organization modes, traffic volumes, traffic compositions, activity area lengths, and speed limit values. The results show that the activity area length of a closed lane, a compressed lane, and a borrowed opposite lane had no marked influence on the traffic conflicts. There was a significant positive correlation between the proportion of trucks and the number of traffic conflicts, and

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Chaipetch, Pawarotorn, Chisanu Amprayn, Paijit Pawan, and Vatanavongs Ratanavaraha. "A Multi-Criteria Decision Support System for Prioritizing Road Maintenance: Integrating AHP and TOPSIS with a Focus on Low-Volume Roads." IOP Conference Series: Earth and Environmental Science 1450, no. 1 (2025): 012004. https://doi.org/10.1088/1755-1315/1450/1/012004.

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Abstract The Department of Rural Roads (DRR) in Thailand manages an extensive network of over 48,974 kilometers of roads. Traditionally, budget allocation for road maintenance has been primarily based on traffic volume and the International Roughness Index (IRI), often neglecting low-volume roads crucial for rural connectivity and development. To address this limitation, a decision support system (DSS) was developed, integrating the Analytical Hierarchy Process (AHP) and the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS). AHP facilitated the determination of the relati

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Bankole-Oye, T., I. El-Thalji, and J. Zec. "Combined principal component analysis and proportional hazard model for optimizing condition-based maintenance." IOP Conference Series: Materials Science and Engineering 1201, no. 1 (2021): 012088. http://dx.doi.org/10.1088/1757-899x/1201/1/012088.

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Abstract Large companies are investing heavily in digitalization to be more competitive and economically viable. Hence, physical assets and maintenance operations have been digitally transformed to transmit a high volume of data, e.g., condition monitoring data. Such high-volume data can be useful to optimize maintenance operations and minimize maintenance and replacement costs. A tool to optimize maintenance using condition monitoring data is the Proportional hazard model (PHM). However, it is challenging to implement PHM for industrial complex systems that generate big data. Therefore, machi

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Bo, Wu, Zhendong Qian, Bo Yu, et al. "MILP-Based Approach for High-Altitude Region Pavement Maintenance Decision Optimization." Applied Sciences 14, no. 17 (2024): 7670. http://dx.doi.org/10.3390/app14177670.

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Affected by climatic factors (e.g., low temperature and intense ultraviolet radiation), high-altitude regions experience numerous pavement diseases, which compromise driving safety and negatively impact user travel experience. Timely planning and execution of pavement maintenance are particularly critical. In this paper, considering the characteristics of pavement maintenance in high-altitude regions (e.g., volatility of traffic volume, seasonality of maintenance timing, and fragility of the ecological environment), we aim to derive optimal monthly maintenance plans. We develop a multi-objecti

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Xu, Peng, Rengkui Liu, Quanxin Sun, and Futian Wang. "A Novel Short-Range Prediction Model for Railway Track Irregularity." Discrete Dynamics in Nature and Society 2012 (2012): 1–12. http://dx.doi.org/10.1155/2012/591490.

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In recent years, with axle loads, train loads, transport volume, and travel speed constantly increasing and railway network steadily lengthening, shortcomings of current maintenance strategies are getting to be noticed from an economical and safety perspective. To overcome the shortcomings, permanent-of-way departments throughout the world have given a considerable attention to an ideal maintenance strategy which is to carry out appropriate maintenances just in time on track locations really requiring maintenance. This strategy is simplified as the condition-based maintenance (CBM) which has a

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Hafez, Marwan, Khaled Ksaibati, and Rebecca A. Atadero. "Optimizing Expert-Based Decision-Making of Pavement Maintenance using Artificial Neural Networks with Pattern-Recognition Algorithms." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 11 (2019): 90–100. http://dx.doi.org/10.1177/0361198119851085.

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Light pavement rehabilitations and low-cost treatments are extensively employed among transportation agencies on roads with relatively low traffic volumes to optimize available resources. One concern with this approach entails the difficulties of determining the optimal timing for treatment application. Making the best use of limited resources requires improvements in maintenance decision-making for selecting treatments considering all affecting factors and previous experience. This paper presents a machine learning approach in the decision-making process for determining the most appropriate p

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Jung, Haekook, Yongjae Kim, Seungwon Kim, Cheolwoo Park, and Jeong-Hee Nam. "Life Extension of Aged Jointed Plain Concrete Pavement through Remodeling Index–Based Analysis." Materials 13, no. 13 (2020): 2982. http://dx.doi.org/10.3390/ma13132982.

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As jointed plain concrete pavements (JPCP) age in South Korea, the cost of pavement maintenance is increasing annually. To extend the life of jointed concrete pavements through preventive maintenance, this study used 2017 pavement management system data to analyze the effects of traffic volume, alkali–silica reaction (ASR) grade, age, smoothness, and damaged area on the remodeling index (RMI—a measure of expressway pavement condition). In addition, this study evaluates the final RMI as well as the corresponding pavement condition and change in RMI value after conducting preventive maintenance

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Kurose, Sumio, Hironori Moriwaki, Tadao Matsunaga, and Sang-Seok Lee. "Predicting Restroom Dirtiness Based on Water Droplet Volume Using the LightGBM Algorithm." Sensors 25, no. 7 (2025): 2186. https://doi.org/10.3390/s25072186.

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This study examines restroom cleanliness in public facilities, department stores, supermarkets, and schools by using water droplet volumes around washbowls as an indicator of usage. Rising cleaning costs due to labour shortages necessitate more efficient restroom maintenance. Quantifying water droplet accumulation and predicting cleaning schedules can help optimise cleaning frequency. To achieve this, water droplet volumes were measured at specific time intervals, with significant variations indicating increased restroom usage and potential dirt buildup. For real-world assessment, acrylic plat

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Nautiyal, Akhilesh, and Sunil Sharma. "Condition Based Maintenance Planning of low volume rural roads using GIS." Journal of Cleaner Production 312 (August 2021): 127649. http://dx.doi.org/10.1016/j.jclepro.2021.127649.

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Cabana, Guillermo, Gerard Liautaud, and Asif Faiz. "Areawide Performance-Based Rehabilitation and Maintenance Contracts for Low-Volume Roads." Transportation Research Record: Journal of the Transportation Research Board 1652, no. 1 (1999): 128–37. http://dx.doi.org/10.3141/1652-51.

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Sunitha, V., A. Veeraragavan, Karthik K. Srinivasan, and Samson Mathew. "Cluster-Based Pavement Deterioration Models for Low-Volume Rural Roads." ISRN Civil Engineering 2012 (October 21, 2012): 1–8. http://dx.doi.org/10.5402/2012/565948.

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The management of low-volume rural roads in developing countries presents a range of challenges to road designers and managers. Rural roads comprise over 85 percent of the road network in India. The present study aims at development of deterioration models for the optimum maintenance management of the rural roads under a rural road programme namely Pradhan Mantri Gram Sadak Yojana (PMGSY) in India. Visual condition survey along the selected low-volume rural roads considers parameters like condition of shoulders, drainage features, cross-drainage structures, and camber, and pavement distresses,

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Li, Ningyuan, Michel Huot, and Ralph Haas. "Cost-Effectiveness-Based Priority Programming of Standardized Pavement Maintenance." Transportation Research Record: Journal of the Transportation Research Board 1592, no. 1 (1997): 8–16. http://dx.doi.org/10.3141/1592-02.

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A new optimization model and priority programming for pavement network maintenance and rehabilitation management are described. The optimization formulation is directed to determining the most cost-effective treatment action plans for preserving the pavement network’s serviceability above a specified level. The priority programming is conducted on a year-by-year basis, whereas a comprehensive prediction model for pavement deterioration versus time is considered. It is governed by traffic volume, pavement performance, a set of designed standard treatment alternatives, and budget limitations for

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Jenab, K., K. Rashidi, and S. Moslehpour. "An Intelligence-Based Model for Condition Monitoring Using Artificial Neural Networks." International Journal of Enterprise Information Systems 9, no. 4 (2013): 43–62. http://dx.doi.org/10.4018/ijeis.2013100104.

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This paper reports a newly developed Condition-Based Maintenance (CBM) model based on Artificial Neural Networks (ANNs) which takes into account a feature (e.g., vibration signals) from a machine to classify the condition into normal or abnormal. The model can reduce equipment downtime, production loss, and maintenance cost based on a change in equipment condition (e.g., changes in vibration, power usage, operating performance, temperatures, noise levels, chemical composition, debris content, and volume of material). The model can effectively determine the maintenance/service time that leads t

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Bach, Patrick, Ulrich Frischknecht, Svenja Klinkowski, et al. "Higher Social Rejection Sensitivity in Opioid-Dependent Patients Is Related to Smaller Insula Gray Matter Volume: A Voxel-Based Morphometric Study." Social Cognitive and Affective Neuroscience 14, no. 11 (2019): 1187–95. http://dx.doi.org/10.1093/scan/nsz094.

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Abstract Opioid-dependent patients are highly sensitized to negative social feedback, and increased social rejection sensitivity was linked to adverse treatment outcome, but its neurobiological underpinnings have not been understood yet. The present study investigated gray matter (GM) volume differences between 19 opioid maintenance treatment (OMT) patients and 20 healthy controls using magnetic resonance imaging and voxel-based morphometry. Associations of GM volumes with subjective feelings of exclusion and inclusion during a social ostracism (Cyberball) paradigm, with rejection sensitivity,

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Patel, Deep, and Piyush Patel. "Review on Pavement Maintenance System for Low Volume Roads." SPU - Journal of Science, Technology and Management Research, Special Edition- -ICMAETM-24 (July 1, 2024): 1–7. https://doi.org/10.63766/spujstmr.24.000020.

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Road network serves as backbone of country as it provides support for development and growth of nation. If road condition is good and network is adequate it enables quick, safe and comfortable movement for goods and passengers between two places. Pavement maintenance plays quite important role in upkeeping service life of any road. After the introduction of PradhanMantri Gram SadakYojna significant improvement is there in village road development. There is need for maintenance system for these PMGSY roads as no systematical maintenance practices are followed by concerned agencies for these low

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Riordan, Matt M., and Sándor J. Kovács. "Elucidation of spatially distinct compensatory mechanisms in diastole: radial compensation for impaired longitudinal filling in left ventricular hypertrophy." Journal of Applied Physiology 104, no. 2 (2008): 513–20. http://dx.doi.org/10.1152/japplphysiol.00848.2007.

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Cardiac output maintenance is so fundamental that, when regional systolic function is impaired, as during ischemia, nonischemic segments compensate by becoming hypercontractile. By analogy, diastolic compensatory mechanisms that maintain filling volume must exist but remain to be fully elucidated. Viewing filling in spatially distinct (longitudinal, radial) mechanistic terms facilitates elucidation of diastolic compensatory mechanisms. Because impairment of longitudinal (long axis) diastolic function (DF) in left ventricular hypertrophy (LVH) is established, we hypothesized that to maintain fi

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Yogesh, Kumar, Md Mumtaz Sayed, and Ahmad Mustaq. "HPLC Principle and Maintenance with Application." International Journal of Trend in Scientific Research and Development 2, no. 5 (2018): 1618–26. https://doi.org/10.31142/ijtsrd17134.

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High performance liquid chromatography HPLC is a significant qualitative and quantitative technique, usually used for the estimation of pharmaceutical and biological samples. The chromatography term is derived from the Greek words namely chroma colour and graphein to write . The chromatography is very accepted technique and it is mostly used analytically. It is the most resourceful, safest, reliable and fastest chromatographic technique for the quality control of drug components. This technique involves 2 phases' stationary and mobile phases. There are different types of chromatographic te

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Piven, D. V., and I. S. Kitsul. "Prospects and possible options for the development of continuing medical education in Russia." Manager Zdravoochranenia, no. 7 (July 1, 2022): 4–9. http://dx.doi.org/10.21045/1811-0185-2022-7-4-9.

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The article analyzes the prospects and possible options for the development of continuous medical education (CME) in Russia. Currently, the most realistic and preferable option is the development of CME based on improving the quality and increasing the volume of implementation of additional professional medical education programs. It is noted that one of the most important factors of national security is the constant maintenance of a high professional level of medical workers, which can be ensured within the framework of the CME, first of all, by implementing additional professional programs o

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Huang, Huimin, Zuofeng Zhou, Mulong Liu, Qingquan Wu, Guoliang Hu, and Jianzhong Cao. "High-Precision Volume Measurement of Potholes in Pavement Maintenance." Mathematical Problems in Engineering 2022 (June 30, 2022): 1–9. http://dx.doi.org/10.1155/2022/9157849.

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Accurate three-dimensional measurement of potholes is a significant concern in road maintenance. However, the assessment of road potholes still relies heavily on human inspectors to make maintenance suggestions. To realize full-field measurement of pavement pothole automatically, a high-precision volume measurement method based on second-order Taylor expansion is proposed, where the second-order Taylor estimation of each point is converted into a convolution operation. On the one hand, this method discards the second-order fitting of the surface, which greatly reduces the computational complex

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Zwart, Koen, Michiel J. Zeeuw, Bertine L. Stehouwer, et al. "Subgroup analyses of the phase 3 CAIRO3 trial: Association of number and total volume of metastases on survival in patients with metastatic colorectal cancer based on a deep-learning automatic segmentation model." Journal of Clinical Oncology 42, no. 3_suppl (2024): 130. http://dx.doi.org/10.1200/jco.2024.42.3_suppl.130.

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130 Background: Maintenance treatment with capecitabine and bevacizumab after capecitabine, oxaliplatin, and bevacizumab therapy in metastatic colorectal cancer (mCRC) is shown to be effective with observation as an acceptable alternative. Metastatic burden might aid in shared decision-making and the aim of this exploratory analysis is to assess the prognostic and predictive value of number and total volume of metastases in mCRC patients included in the CAIRO3 study. Methods: Patients in the CAIRO3 study with liver and/or lung metastases were included. Every individual liver and lung metastasi

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Zhou, Dong, Xu Jia, Chuan Lv, and Le Kang. "Using the swept volume to verify maintenance space in virtual environment." Assembly Automation 34, no. 2 (2014): 192–203. http://dx.doi.org/10.1108/aa-04-2013-044.

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Purpose – Maintainability, as an intrinsic property that shows how well a product can be maintained, should be strictly controlled in the design stage. Maintenance space is an important aspect of maintainability and should be verified in the design stage. Methods to verify maintenance space based on expert knowledge or vision cone have been proposed. However, no proper quantitative solutions have been proposed yet to verify maintenance space in the design stage. This paper aims to provide a new method to evaluate quantitatively the maintenance space in a virtual environment by using the swept

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Huang, Fan, Niannian Wang, Hongyuan Fang, Hai Liu, and Gaozhao Pang. "Research on 3D Defect Information Management of Drainage Pipeline Based on BIM." Buildings 12, no. 2 (2022): 228. http://dx.doi.org/10.3390/buildings12020228.

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With the age of pipeline and increase in the volume of urban sewage, the pipeline has different degrees of defects, which can cause safety problems such as road collapse and urban flooding. The service life of drainage pipes is closely related to daily maintenance and inspection, so it is very important to inspect the defects and monitor the operation of drainage pipes regularly. However, the existing research lacks quantitative detection and intelligent management of pipeline defect information. Therefore, the depth camera is used as the sensor to quantitatively detect the volume and area of

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Fonville, L., V. Giampietro, S. C. R. Williams, A. Simmons, and K. Tchanturia. "Alterations in brain structure in adults with anorexia nervosa and the impact of illness duration." Psychological Medicine 44, no. 9 (2013): 1965–75. http://dx.doi.org/10.1017/s0033291713002389.

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BackgroundBrain structure alterations have been reported in anorexia nervosa, but findings have been inconsistent. This may be due to inadequate sample size, sample heterogeneity or differences in methodology.MethodHigh resolution magnetic resonance images were acquired of 33 adult participants with anorexia nervosa and 33 healthy participants, the largest study sample to date, in order to assess whole-brain volume, ventricular cerebrospinal fluid, white matter and grey matter volume. Voxel-based morphometry was conducted to assess regional grey matter volume. Levels of depression, anxiety, ob

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Tanasić, Nikola, Tim Blumenfeld, Rade Hajdin, and Frank Schiffmann. "A framework for management of transportation infrastructure based on key performance indicators." ce/papers 6, no. 5 (2023): 1214–20. http://dx.doi.org/10.1002/cepa.2134.

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AbstractTo facilitate decision‐making on optimal maintenance strategies for ageing traffic networks, a novel quantitative framework is presented. The framework comprises evaluation of the four KPI: reliability, safety for users and third parties, availability, and sustainability. The evolution of KPIs over time is subject to damaging processes and maintenance interventions. To characterize the impact of damaging processes and maintenance interventions, relevant performance indicators (PI) are selected that are used to estimate the key performance indicators (KPI). The native units of each KPI

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Haroun, Ahmed E. "Maintenance cost estimation: application of activity-based costing as a fair estimate method." Journal of Quality in Maintenance Engineering 21, no. 3 (2015): 258–70. http://dx.doi.org/10.1108/jqme-04-2015-0015.

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Purpose – The purpose of this paper is to present the use of activity-based costing (ABC) approach as an alternative option to the traditional cost accounting system. The contribution of this study is to demonstrate, through a simple example, the application of that costing system in a service (maintenance) industry, i.e. the paper intended to develop a procedure for a cost model that help in calculating any maintenance job cost, to a reasonable degree of accuracy, based on the actual activities performed. Design/methodology/approach – This research uses a simple example whereby hypothetical a

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Johnson, Patrick L., Bryant W. Oliphant, Jonathan E. Williams, et al. "Evaluation and Implication of Case Volume Variation in Level 1 and 2 Trauma Centers." Annals of Surgery Open 6, no. 2 (2025): e589. https://doi.org/10.1097/as9.0000000000000589.

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Objective: To evaluate variation in case volume and procedural volume across level 1 and 2 U.S. trauma centers. Background: When trauma center distribution does not fit regional needs, the longstanding volume-outcomes relationship in trauma care is at risk. Case volume variability has important implications for trauma center distribution, patient outcomes, and clinical skills maintenance. Methods: We placed trauma centers into quintiles based on average annual patient volume meeting American College of Surgery Trauma Quality Improvement Program (ACS TQIP) inclusion criteria from 2017 to 2021.

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Kim, Yoon, Seonghee Kim, Ji Young Lim, Chea Min Hwang, Myoung-Hwan Ko, and Ji Hye Hwang. "Home-Based Intermittent Pneumatic Compression Therapy: The Impact in Chronic Leg Lymphedema in Patients Treated for Gynecologic Cancer." Healthcare 10, no. 4 (2022): 638. http://dx.doi.org/10.3390/healthcare10040638.

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We conducted a prospective study of cancer patients to investigate the efficacy, quality of life, satisfaction, and safety of a home-based intermittent pneumatic compression (IPC) device during the maintenance phase of lower extremity lymphedema. This device has a unique mode designed to mimic the manual lymphatic drainage (MLD) technique and thereby gently facilitate lymphatic draining of proximal extremities. Thirty patients with stage 3 chronic secondary unilateral leg lymphedema in the maintenance phase underwent IPC and conventional compression therapy for 4 weeks at home. The participant

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Walters, Russell C., and Lifeng Li. "Maintenance of Hypertext-Based Specifications for State Highway Projects." Transportation Research Record: Journal of the Transportation Research Board 1861, no. 1 (2003): 132–39. http://dx.doi.org/10.3141/1861-14.

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The performance of construction projects heavily depends on how well information is managed. In Iowa the management of this information means locating details and tracking changes in several printed volumes that define design details, material specifications, construction methods, and testing procedures. The details of the development of an electronic reference library (ERL) that provides a virtual library for construction design and management of state highway projects in Iowa are provided. ERL is a large document containing more than 25,000 hyperlinks and is updated and distributed twice a y

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Upadhyay, Rupali, and Hemant Amhia. "LSTM-Based Approach for Remaining Useful Life Prediction of Air Craft Engines." ITM Web of Conferences 57 (2023): 03004. http://dx.doi.org/10.1051/itmconf/20235703004.

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Working machinery has a limited lifespan and occasionally breaks down due to obsolete functioning. A maintenance strategy must be used on the scheduled machinery system in order to prevent the worst scenario (failure) and learn more about the machine’s condition. The ideal maintenance technique is predictive maintenance. Predictive maintenance, whose major goal is to forecast hardware component failures by continually monitoring their status, emphasizes the importance of this requirement so that maintenance operations can be planned far in advance. These observations, which span the lifecycle

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Hao, Zhenzhen, Yang Xu, Jing Li, Li Guo, and Jiao Yao. "Study on the Effect of LEARNS Model in Self-Management of Patients with Maintenance Hemodialysis and Volume Overload." Cardiovascular Reviews 2, no. 4 (2025): 15–20. https://doi.org/10.26689/cr.v2i4.9352.

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Objective: To investigate the effect of the LEARNS model in the self-management of patients with maintenance hemodialysis and volume overload. Methods: Eighty patients with maintenance hemodialysis and volume overload admitted from September 2022 to May 2024 were selected as the main subjects of this experiment. They were divided into two groups based on the odd or even days of their admission, with 40 patients in each group. Patients admitted on odd days were included in the new group and received LEARNS model education, while patients admitted on even days were included in the traditional gr

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Herrera Galán, Michael. "Evidence-based asset management applied to maintenance function control." Journal of Quality in Maintenance Engineering 25, no. 4 (2019): 635–44. http://dx.doi.org/10.1108/jqme-05-2018-0045.

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Purpose Every day a large volume of information is generated in the maintenance department relating to its business assets whose detailed analysis has a direct impact on the effectiveness of the company. Taking into account the aforementioned, it is necessary to develop and implement a set of indicators that allow a practical evaluation of the maintenance function in any firm. Therefore, the purpose of this paper is to evaluate the maintenance function through a thorough analysis of historical data of a biotechnology sector firm. Design/methodology/approach The method used to evaluate the main

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Jonne, Gnagliga B., Doucoure Ibrahim, Laxmisha Rai, Qingguang Chen, and Fasheng Liu. "Development of Fault Diagnostics and Prognosis System Based on Digital Twin and Blockchain." ECS Transactions 107, no. 1 (2022): 13603–11. http://dx.doi.org/10.1149/10701.13603ecst.

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In this paper, a development of fault diagnostics and prognosis system based on digital twin and blockchain is demonstrated. The main focus is to provide cheaper solution for maintenance operations, data safety, and machines’ life control. Initially, various details of prerequisites required by an engineer to conduct machinery condition monitoring is discussed. This include concepts of instrumentation, signal processing techniques such as vibration monitoring, motor volume signature analysis, and thermography where debris analysis and detection techniques are discussed. Furthermore, principles

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Cummings, Brian M., Kanakaraju Kaliannan, Phoebe H. Yager, and Natan Noviski. "Effect of Transition From a Unit-Based Team to External Transport Team for a Pediatric Critical Care Unit." Journal of Intensive Care Medicine 32, no. 10 (2016): 597–602. http://dx.doi.org/10.1177/0885066616662815.

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Objective: Pediatric hospitals must consider staff, training, and direct costs required to maintain a pediatric specialized transport team, balanced with indirect potential benefits of marketing and referral volume. The effect of transitioning a unit-based transport team to an external service on the pediatric intensive care unit (PICU) is unknown, but information is needed as hospital systems focus on population management. We examined the impact on PICU transports after transition to an external transport vendor. Methods: Single-center retrospective review performed of PICU admissions, refer

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Zhao, Shiyu, Xiaolin Meng, Yan Bao, Liangliang Hu, and Jinpei Li. "Tail-End Evaluation Based on the Cost-Effectiveness of Bridge Life Cycles." Sustainability 16, no. 23 (2024): 10557. https://doi.org/10.3390/su162310557.

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The number of bridges in China is increasing year by year. The contradiction between the declining performance of bridge structures and the increasing traffic volume in China is becoming increasingly prominent, causing a concentrated upsurge in operation and maintenance needs during the service life of the bridges. In accordance with the goal and vision of the comprehensive construction of the Bridge Structural Health Monitoring (BSHM) system, the study of bridge cost-effectiveness now focuses on the installation, operation, and maintenance costs of the BSHM system, the renovation costs of bri

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St-Pierre, Jean. "Perspective—Oxygen-Based Fuel Cell and Reversible Systems for Heavy-Duty Motive and Stationary Applications." Journal of The Electrochemical Society 169, no. 4 (2022): 044506. http://dx.doi.org/10.1149/1945-7111/ac6093.

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The levelized cost of reversible fuel cells is used to identify benefits associated with oxygen use. For the same application, only three parameters influence the cost: roundtrip efficiency, total installation and operation/maintenance costs. The higher efficiency reversible solid oxide fuel cell is preferred. Volume considerations suggest oxygen use in heavy-duty proton exchange membrane fuel cells (PEMFCs). Oxygen differentially affects PEMFC degradation modes and limited data hamper the estimation of operation/maintenance costs. Comparative cost analyses and durability data are needed to en

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Da Cuña-Carrera, Iria, Mercedes Soto-González, Rocío Abalo-Núñez, and Eva M. Lantarón-Caeiro. "Is the Absence of Manual Lymphatic Drainage-Based Treatment in Lymphedema after Breast Cancer Harmful? A Randomized Crossover Study." Journal of Clinical Medicine 13, no. 2 (2024): 402. http://dx.doi.org/10.3390/jcm13020402.

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(1) Background: Manual lymphatic drainage (MLD), included within the complex decongestive therapy, as a therapy for the treatment of lymphedema has raised controversy about its benefits for lymphedema after breast cancer. The aim of this research is to test the effects of MLD on lymphedema after breast cancer during the treatment maintenance phase. (2) Methods: A randomized, single-blinded, controlled crossover trial was conducted to analyze the effects of a manual lymphatic drainage intervention compared to a control group without MLD intervention for the treatment of lymphedema. Arm volume m

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Lahame, Mouhcine, Hamid Outzguinrimt, Rajaa Oumghar, Boubkar Bahani, and Mohammed Chraygane. "A novel cost-effective power supply model for industrial appliances based on triangular magnetic shunt transformer design." Bulletin of Electrical Engineering and Informatics 13, no. 2 (2024): 762–73. http://dx.doi.org/10.11591/eei.v13i2.6459.

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This paper presents a new design of a magnetic shunt transformer for use in industrial microwave generators. The proposed transformer has a triangular shape and offers several advantages over existing transformer designs, including reduced volume and maintenance costs. We provide a detailed analysis of the transformer's dimensions and an equivalent model of the three-phase high voltage power supply system. The results of this study have significant implications for the field of industrial microwave generator design and could lead to the development of more efficient and costeffective systems.

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Makendran, C., R. Murugasan, and S. Velmurugan. "Performance Prediction Modelling for Flexible Pavement on Low Volume Roads Using Multiple Linear Regression Analysis." Journal of Applied Mathematics 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/192485.

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Prediction models for low volume village roads in India are developed to evaluate the progression of different types of distress such as roughness, cracking, and potholes. Even though the Government of India is investing huge quantum of money on road construction every year, poor control over the quality of road construction and its subsequent maintenance is leading to the faster road deterioration. In this regard, it is essential that scientific maintenance procedures are to be evolved on the basis of performance of low volume flexible pavements. Considering the above, an attempt has been mad

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Jermin Jeaunita, T. C., and V. Sarasvathi. "A Multi-Agent Reinforcement Learning-Based Optimized Routing for QoS in IoT." Cybernetics and Information Technologies 21, no. 4 (2021): 45–61. http://dx.doi.org/10.2478/cait-2021-0042.

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Abstract The Routing Protocol for Low power and lossy networks (RPL) is used as a routing protocol in IoT applications. In an endeavor to bring out an optimized approach for providing Quality of Service (QoS) routing for heavy volume IoT data transmissions this paper proposes a machine learning-based routing algorithm with a multi-agent environment. The overall routing process is divided into two phases: route discovery phase and route maintenance phase. The route discovery or path finding phase is performed using rank calculation and Q-routing. Q-routing is performed with Q-Learning reinforce

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Mudryk, Rostyslav, and Yevhen Orestov. "DIGITALIZATION OF WATER VENDING MACHINES." WATER AND WATER PURIFICATION TECHNOLOGIES. SCIENTIFIC AND TECHNICAL NEWS 37, no. 3 (2024): 28–39. http://dx.doi.org/10.20535/2218-930032023302842.

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Vending, the sale of goods and services through automated systems, has gained worldwide popularity as a convenient and low-maintenance method of commerce or service delivery. With its wide range of applications, vending can be used in almost all areas of commercial and social life. This article is dedicated to studying the impact of digitalization on the operation of water vending machines. These machines represent a modern way of obtaining safe and physiologically complete drinking water. Their advantage lies in autonomous operation without the constant presence of servicing personnel. This i

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Kan, Xuan, and Deli Cao. "The Application of Visual Sensors in the Artistic Design of College Campus Landscape." Journal of Sensors 2021 (November 23, 2021): 1–12. http://dx.doi.org/10.1155/2021/3803089.

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The research purpose is to solve the problems of low efficiency, low accuracy, and high cost of traditional environmental landscape mapping and landscape volume measurement methods in the artistic design of college campus landscape and make up the defects that the traditional campus monitoring is vulnerable to adverse weather, which results in low monitoring accuracy. Primarily, a binocular stereo vision measurement based on Scale Invariant Feature Transform (SIFT) matching algorithm is proposed, which can realize accurate collection of environmental spatial information and measurement of land

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Li, Lingyu, S. Ilgin Guler, and Eric T. Donnell. "Pavement Friction Degradation Based on Pennsylvania Field Test Data." Transportation Research Record: Journal of the Transportation Research Board 2639, no. 1 (2017): 11–19. http://dx.doi.org/10.3141/2639-02.

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Pavement surface–tire friction is a critical safety element associated with roadway design, construction, and maintenance practices. The skid resistance of pavements generally declines over time and increases the risk of skidding-related crashes. On horizontal curves, lateral friction may be associated with lane-departure incidents, particularly as the pavement ages and drivers demand more lateral friction than the pavement surface–tire interaction can supply. On tangent roadway sections, longitudinal friction affects braking distances. As the skid-resistance properties of a pavement surface d

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Wang, Liang. "Cloud-Based Next-Generation Data Center Design." Advanced Materials Research 1078 (December 2014): 439–43. http://dx.doi.org/10.4028/www.scientific.net/amr.1078.439.

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With the constant development of computer network technology, more and more enterprises have built their own data center in their networks, through which offers a variety of network applications and services. The increasing business volumes and rich types, as well as the amount and scale of data call for higher requirements in management and maintenance. Thus the traditional data center model can’t meet the demand obviously.

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Chen, Wenfeng, Pengpeng Ju, Xueyuan Wang, Dong Wang, and Feilong Liu. "Multi-stage Depressurization Analysis of Subsea Production System Based on LedaFlow Software." E3S Web of Conferences 329 (2021): 01019. http://dx.doi.org/10.1051/e3sconf/202132901019.

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This paper briefly summarizes that during the depressurization operation in subsea pipeline for maintenance or prevention of hydrate formation, because the flare knock-out drum pump is designed for ambient temperature, and cannot deal with the low temperature fluid in the depressurization process. Therefore, the low temperature fluid needs to be heated in the knock-out drum to meet the temperature requirement of pump. In order to avoid the volume of low temperature fluid exceeding the surge volume of the flare knock-out drum, the concept of multi stage depressurization is innovatively proposed

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Eom, Jin Ki, Kwang-Sub Lee, Jin Hong Min, and Ho-Chan Kwak. "Empirical study of daily link traffic volume forecasting based on a deep neural network." PLOS One 20, no. 7 (2025): e0327664. https://doi.org/10.1371/journal.pone.0327664.

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Forecasting the daily link traffic volume is critical in transportation demand analysis in feasibility studies for planning transportation facilities. The high purchase and maintenance cost of commercial transport planning software poses a challenge for several underdeveloped and developing countries. Therefore, there is a need for cost-effective methodology to forecast link traffic volume. This study proposes a data-driven approach for modeling traffic assignment and employs a deep neural network to forecast daily link volume derived from transport planning software. The main idea is that lin

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Qomaria, Adetanza. "ANALISIS PERILAKU BIAYA PEMELIHARAAN MESIN PADA PT MANDIRI MUKTI KEPAHIANG." Jurnal Ilmiah Raflesia Akuntansi 6, no. 1 (2020): 14–31. http://dx.doi.org/10.53494/jira.v6i1.38.

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This research to know behavior of machine maintenance cost at PT. SaranaMandiriMuktiKepahiang Regency in the Year 2017 s / d tahun2019 so it can know how the maintenance costs of the machine can change in line with changes in the volume of activities in the machine hours. So it can make it easier for companies to analyze the potential costs that will arise in the future and can assess the nominal fairness of costs that occur. The analysis used in this research is descriptive anaslisis method, that is by collecting, presenting, and analyzing data from PT. Sarana Mandiri Mukti based on fac

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Ochoa-García, Santiago A. "Aplicación de una metodología simplificada para estimar las curvas de capacidad de embalses." Revista de Teledetección, no. 58 (July 21, 2021): 105. http://dx.doi.org/10.4995/raet.2021.15303.

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<p>In the management of the regulation volumes of the water resource projected for a variety of benefits (hydroelectric uses, irrigation, drinking water, among others), it is essential to calculate the morphometric variables of the reservoirs to anticipate changes in their morphology and predict how these changes could affect projected achievement. In this document, taking into consideration the fundamental concepts of Integral Calculus, the development of an innovative methodology is presented to obtain the Cota-Volume and Cota-Area curves in reservoirs; the methodology was formulated i

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Virca, Ioan, Viorel Dascălu, and Constantin Grigoraş. "Research On Improving The Maintenance Activities For Military Vehicles." International conference KNOWLEDGE-BASED ORGANIZATION 21, no. 3 (2015): 896–903. http://dx.doi.org/10.1515/kbo-2015-0152.

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Abstract The current maintenance system, preventively planned and applied to the military equipment according to the necessities, involves the rigorous execution of maintenance operations, which results in high costs and volume of work. These causes generally determine the formality of planned repairs and maintenance, with detrimental effects for the availability of vehicles. Moreover, the constructive-functional level of the current technical systems leads to the reorientation of adopting maintenance strategies that correspond to the availability level of the constructive kits to computerized

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Obaidat, Mohammed Taleb, Turki I. Al-Suleiman, and Khalid A. Ghuzlan. "A stereometric knowledge-based system for maintenance of street networks." Canadian Journal of Civil Engineering 25, no. 2 (1998): 220–31. http://dx.doi.org/10.1139/l97-084.

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The main objective of this work was to investigate the potential of integrating a stereometric vision system, i.e., using digital stereo images, and a knowledge-based system for flexible pavement distress classification. Classification process includes distress type, severity level, and options for repair. A hybrid stereo vision and knowledge-based system (called K-PAVER) was developed. The system extracts distress measurements using a PC-based stereo vision system. Geometric surface measurements such as point locations, distances, areas, volumes, and surface areas could also be computed. The

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Sakakibara, Akiko, Junya Kusumoto, Shunsuke Sakakibara, et al. "Long-Term Effects on Volume Change in Musculocutaneous Flaps after Head and Neck Reconstruction." Journal of Reconstructive Microsurgery 35, no. 04 (2018): 235–43. http://dx.doi.org/10.1055/s-0038-1672134.

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Objective Musculocutaneous flap reconstruction surgery is one of the standard procedures following head and neck cancer resection. However, no previous studies have classified flaps in terms of muscle and fat or examined them after long-term follow-up. The purpose of this study was to estimate the fat and muscle volume changes in musculocutaneous flaps during long-term follow-up. Methods We conducted a retrospective analysis of 35 patients after musculocutaneous flap reconstruction. The total, fat, and muscle volumes of the musculocutaneous flaps were measured using 3-dimensional images. Chang

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