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Journal articles on the topic 'Built-in repair analysis'

Author: Grafiati
Published: 5 June 2025
Last updated: 2 August 2025

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1

Lee, Hayoung, Donghyun Han, Seungtaek Lee, and Sungho Kang. "Dynamic Built-In Redundancy Analysis for Memory Repair." IEEE Transactions on Very Large Scale Integration (VLSI) Systems 27, no. 10 (2019): 2365–74. http://dx.doi.org/10.1109/tvlsi.2019.2920999.

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Moon, Seang Hyen, and Dai Whan An. "Measuring Displacement before and after Repair on Korean Wooden Built Heritage: Records for Authenticity and Sustainability." Sustainability 16, no. 3 (2024): 1101. http://dx.doi.org/10.3390/su16031101.

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Korean wooden built heritage is periodically repaired due to inherent material characteristics that necessitate inevitable changes. This study delves into a detailed point-by-point displacement analysis of Korean wooden built heritage, both pre- and post-repair. Specifically, this study examines the displacement of key points before repair, immediately after repair, and after a four-year interval, focusing on the Sungryeoljeon Shrine in Namhansanseong, a designated World Heritage Site. While substantial changes were observed before and immediately after repairs were made, this study revealed m
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Yang, Myung-Hoon, Hyungjun Cho, Wooheon Kang, and Sungho Kang. "EOF: Efficient Built-In Redundancy Analysis Methodology With Optimal Repair Rate." IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 29, no. 7 (2010): 1130–35. http://dx.doi.org/10.1109/tcad.2010.2044846.

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4

Sontakke, Vijay, and Delsikreo Atchina. "Memory built-in self-repair and correction for improving yield: a review." International Journal of Electrical and Computer Engineering (IJECE) 14, no. 1 (2024): 140. http://dx.doi.org/10.11591/ijece.v14i1.pp140-156.

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Nanometer memories are highly prone to defects due to dense structure, necessitating memory built-in self-repair as a must-have feature to improve yield. Today’s system-on-chips contain memories occupying an area as high as 90% of the chip area. Shrinking technology uses stricter design rules for memories, making them more prone to manufacturing defects. Further, using 3D-stacked memories makes the system vulnerable to newer defects such as those coming from through-silicon-vias (TSV) and micro bumps. The increased memory size is also resulting in an increase in soft errors during system opera
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Chen, Ting-Ju, Jin-Fu Li, and Tsu-Wei Tseng. "Cost-Efficient Built-In Redundancy Analysis With Optimal Repair Rate for RAMs." IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 31, no. 6 (2012): 930–40. http://dx.doi.org/10.1109/tcad.2011.2181510.

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Kalabukhin, Yuri, Igor Martynov, Alena Trufanova, and Stanislav Martynov. "ANALYSIS OF THE INDICATORS OF THE DEPOT REPAIR OF PASSENGER CARS." Collection of Scientific Works of the Ukrainian State University of Railway Transport, no. 209 (October 25, 2024): 43–55. http://dx.doi.org/10.18664/1994-7852.209.2024.314443.

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The article presents the results of the analysis of the technical characteristics of passenger cars and the main indicators of depot repairs of passenger cars. The indicators of depot repairs of passenger cars on the Southern Railway by types and manufacturers of cars for the period from 2015 to 2020 were studied. The data analysis indicates that in the overall structure of the volume of depot repairs of passenger cars by type, compartment cars predominate, while interregional passenger cars have the smallest share. In the overall structure of the volume of passenger cars depot repairs by manu
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Alnatheer, Suleman, and Mohammed Altaf Ahmed. "Optimal Method for Test and Repair Memories Using Redundancy Mechanism for SoC." Micromachines 12, no. 7 (2021): 811. http://dx.doi.org/10.3390/mi12070811.

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The current system-on-chip (SoC)-based devices uses embedded memories of enormous size. Most of these systems’ area is dense with memories and promotes different types of faults appearance in memory. The memory faults become a severe issue when they affect the yield of the product. A memory-test and -repair scheme is an attractive solution to tackle this kind of problem. The built-in self-repair (BISR) scheme is a prominent method to handle this issue. The BISR scheme is widely used to repair the defective memories for an SoC-based system. It uses a built-in redundancy analysis (BIRA) circuit
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Sabnani, Aman Kumar, and Balwinder Singh. "Area, Delay and Power Analysis of Built in Self Repair Using 2-D Redundancy." International Journal of VLSI Design & Communication Systems 6, no. 5 (2015): 37–44. http://dx.doi.org/10.5121/vlsic.2015.6503.

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Ahmed, Mohammed Altaf, and Suleman Alnatheer. "Deep Q-Learning with Bit-Swapping-Based Linear Feedback Shift Register fostered Built-In Self-Test and Built-In Self-Repair for SRAM." Micromachines 13, no. 6 (2022): 971. http://dx.doi.org/10.3390/mi13060971.

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Including redundancy is popular and widely used in a fault-tolerant method for memories. Effective fault-tolerant methods are a demand of today’s large-size memories. Recently, system-on-chips (SOCs) have been developed in nanotechnology, with most of the chip area occupied by memories. Generally, memories in SOCs contain various sizes with poor accessibility. Thus, it is not easy to repair these memories with the conventional external equipment test method. For this reason, memory designers commonly use the redundancy method for replacing rows–columns with spare ones mainly to improve the yie
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G., Sathesh Kumar*1 &. V. Saminadan2. "A NOVAL BISR APPROACH FOR EMBEDDED MEMORY SELF REPAIR." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES 5, no. 9 (2018): 267–74. https://doi.org/10.5281/zenodo.1441095.

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As the density of embedded memory increases, manufacturing yields of integrated circuits can reach unacceptable limits. Normal memory testing operations require BIST to effectively deal with problems such as limited access and "at speed" testing. Built-in self-repair (BISR) techniques are widely used for the repair of embedded memories. One of the key components of a BISR circuit is the built-in redundancy-analysis (BIRA) module, which allocates redundancies according to the designed redundancy analysis algorithm. This project proposes a BIRA scheme for RAMs, which can provide the op
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KUZMIN, V. N. "ORGANIZATION OF REPAIR AND RESTORATION TECHNOLOGIES OF MACHINE PARTS IN THE AGRO-INDUSTRIAL COMPLEX." Tekhnicheskiy servis mashin 62, no. 3 (2024): 33–39. http://dx.doi.org/10.22314/2618-8287-2024-62-3-33-39.

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The volume of agricultural products depends on the technical readiness of equipment, repair and maintenance facilities. The emergence of new technologies can change the very process of organizing repairs. (Research purpose) The research purpose is analyzing in historical perspective the mutual relationship of the fleet of machines, the organization and technology of repair and restoration of parts of agricultural machinery. (Materials and methods) Used statistical data, scientific papers of researchers, authors' own observations. We applied the general scientific method, analysis, generalizati
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Pundir, Aditya Kumar Singh. "Novel modified memory built in self‐repair (MMBISR) for SRAM using hybrid redundancy‐analysis technique." IET Circuits, Devices & Systems 13, no. 6 (2019): 836–42. http://dx.doi.org/10.1049/iet-cds.2018.5218.

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Voroshilov, Aleksandr, and Polina Buyvol. "Application of intelligent analysis to identify defective vehicle components." MATEC Web of Conferences 341 (2021): 00027. http://dx.doi.org/10.1051/matecconf/202134100027.

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The article shows the possibility of using intelligent analysis in a vehicle service when assessing the vehicle reliability. It was hypothesized that the use of association rules in diagnostics can increase the speed of repairs and the quality of customer service, allowing to identify the nodes that are highly likely to be faulty at the same time. For this, a knowledge base was built from the patterns obtained by applying association rules to the vehicle failure statistics. An application was implemented, which, on its basis, issues recommendations to the repair worker to check certain nodes b
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Moore, Robert J., Sungeun An, and Olivia H. Marrese. "Understanding is a Two-Way Street: User-Initiated Repair on Agent Responses and Hearing in Conversational Interfaces." Proceedings of the ACM on Human-Computer Interaction 8, CSCW1 (2024): 1–26. http://dx.doi.org/10.1145/3641026.

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Although methods for repairing prior turns in natural conversation are critical for enabling mutual understanding, or successful communication, these methods are seldom built into conversational user interfaces systematically. Chatbots and voice assistants tend to ask users to paraphrase what they said if it was not understood, but users cannot do the same if they encounter trouble in understanding what the agent said. Understanding is a one-way street in most (intent-based) conversation-like interfaces. An exception to this is Moore and Arar (2019), who demonstrate nine types of user-initiate
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Ignatov, V. I., V. S. Gerasimov, Z. N. Mishina, and D. V. Andreeva. "Analysis of the state of agricultural equipment in the agroindustrial complex." Sel'skohozjajstvennaja tehnika: obsluzhivanie i remont (Agricultural Machinery: Service and Repair), no. 8 (August 1, 2020): 7–22. http://dx.doi.org/10.33920/sel-10-2008-01.

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The article presents the results of studies aimed at determining the criterion for the further use of agricultural machinery that has reached the limit state: to carry out major repairs or dispose of it, as much as possible to save material resources, as required by the principles of the circular economy. Analysis and review of the works of domestic and foreign scientists, as well as the results of studies to identify the reasons for the lack of an effective mechanism for determining the limit state of a particular agricultural machine and the criterion for the onset of this condition. To solv
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Xu, Feng, and Shu Sheng Zhang. "Research on Semantic SOA Framework Construction Oriented with Aviation Manufacturing." Applied Mechanics and Materials 365-366 (August 2013): 532–35. http://dx.doi.org/10.4028/www.scientific.net/amm.365-366.532.

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With the background of the Aviation repair service industry, based on the analysis of the disadvantages of the past information technology solutions used in aviation repair management system, combined with the product lifecycle management concept, an aviation repair system structure based on the semantic service oriented architecture was built, which includes resource layer, basic structure layer, implementation layer and application layer. Finally, we discussed business process collaboration between enterprises.
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Seo, Hyunjae, Kyuhwan Oh, Jongyong Lee, Jiang Bo, Byoungil Kim, and Sangkeun Oh. "Hydraulic Resistance Analysis Based on Cohesive Strength and Toughness of Synthetic Polymerized Rubber Gel Used as Water-Leakage Repair Material for Concrete Structures." Applied Sciences 12, no. 19 (2022): 9814. http://dx.doi.org/10.3390/app12199814.

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As construction in urban centers increases internationally, many concrete infrastructures are being built at 100 m or more underground, and the influence of groundwater on these facilities is also increasing. Accordingly, the importance of waterproofing and leak-proofing technology for securing long-term durability and safety of underground concrete facilities has been greatly emphasized. The most important required performance of such leak repair technology is to withstand structural behavior and groundwater pressure well. Currently, as a leak repair material for underground concrete faciliti
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Makunza, John K., and G. Senthil Kumaran. "Analyses of Deteriorating Old Masonry Buildings; Characterisation of Materials for Establishment of their Compatible Repairs." International Journal of Engineering Research in Africa 15 (April 2015): 47–61. http://dx.doi.org/10.4028/www.scientific.net/jera.15.47.

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Most of the Governmental and religious building structures in Rungwe district are masonry structures built during the German East Africa period. These structures are deteriorating despite of various efforts on their repair intervention using modern cements and paints. This paper studies the types of mineral binders used, composition and physical characteristics of these in-situ mortar materials for the purpose of deciding on their appropriate compatible repair materials. Field observations and investigations, laboratory materials testing and review of the literature showed that the in-situ mor
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19

Basöz, Nesrin I., Anne S. Kiremidjian, Stephanie A. King, and Kincho H. Law. "Statistical Analysis of Bridge Damage Data from the 1994 Northridge, CA, Earthquake." Earthquake Spectra 15, no. 1 (1999): 25–54. http://dx.doi.org/10.1193/1.1586027.

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This paper presents the significant findings from a study on damage to bridges during the January 17, 1994 Northridge, CA earthquake. The damage and repair cost data were compiled in a database for bridges in the Greater Los Angeles area. Observed damage data for all bridges were discriminated by structural characteristics. The analyses of data on bridge damage showed that concrete structures designed and built with older design standards were more prone to damage under seismic loading. Repair and/or reconstruction of collapsed structures formed seventy five percent of the total estimated repa
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Zvyagina, Marina A., and Vasily F. Lapshin. "Analysis of the technical condition of innovative freight rail cars." Innotrans, no. 1 (2023): 64–68. http://dx.doi.org/10.20291/2311-164x-2023-1-64-68.

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As part of the work, the technical condition of innovative gondola rail cars built in 2015-2021 was analyzed in comparison with gondola rail cars on trolleys with the axial load of 23.5 t/axle. When evaluating the railway car efficiency, the number of railway car uncouplings in the current and planned types of repairs during the overhaul period was taken as a basis. It is shown that a significant proportion of gondola rail cars uncouplings in the current repair is due to damage. In total, the damage rate of innovative railcars is 42% higher than for standard railcars. Based on the analysis, th
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Petrov, Vladimir, and Lev Terehov. "Dependence of Hydraulic Characteristics of Gravity Sewer Pipelines on the Method of Trenchless Repair." Proceedings of Petersburg Transport University 20, no. 2 (2023): 348–56. http://dx.doi.org/10.20295/1815-588x-2023-2-348-356.

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Purpose: When reconstructing gravity sewer networks laid in urban and rural environments, various technologies can be used. Trenchless repairs, which are actively used in a built-up area, subsequently affect the capacity of networks, while the hydraulic characteristics of the flow depend on the accepted technology of work. Assessment of hydraulic characteristics of gravity sewer pipelines depending on the chosen method of carrying out their trenchless repair is the purpose of the study. Methods: Analytical determination of hydraulic flow characteristics in gravity pipelines after their repair
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Podoski, Jessica H., Chris Goody, and David Smith. "INCORPORATING CLIMATE CHANGE RESILIENCE INTO A BREAKWATER REPAIR: A CASE STUDY AT HILO, HAWAII." Coastal Engineering Proceedings, no. 37 (October 2, 2023): 84. http://dx.doi.org/10.9753/icce.v37.structures.84.

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The original breakwater at Hilo Harbor was completed in 1930 and consisted of a 10,080-foot-long rubble-mound breakwater built over Blonde Reef, protecting a 35-foot-deep basin. Recent repairs were completed in 1973, 1975, and 1981. The 1981 repair consisted of a layer of 7.5-ton tribar armor units along 900 feet of the breakwater along the trunk of the structure. The USACE Honolulu District intends to conduct repairs to the Hilo Harbor breakwater within the next 5 to 10 years. A multifaceted analysis has been conducted to optimize future repair design from both an economic investment standpoi
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Wdzięczny, Andrzej, and Łukasz Muślewski. "Analysis of the Influence of Carried Out Repairs Efficiency on Transport Means Operational Reliability." Journal of Konbin 14-15, no. 1 (2010): 359–76. http://dx.doi.org/10.2478/v10040-008-0192-6.

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Analysis of the Influence of Carried Out Repairs Efficiency on Transport Means Operational Reliability The Maintenance factors and destructive processes which affect systems and elements of technical objects result in undesirable changes of values of their functional features, which causes damages. A damage to a technical object has been defined as exceeding permitted boundary values by significant features characterizing their elements. On the basis of analysis results of the author's own research concerning damages to means of transport, used in real transport systems, it has been found that
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Li, Zhiqiang, Tingxue Xu, Junyuan Gu, Qi Dong, and Linyu Fu. "Reliability modelling and analysis of a multi-state element based on a dynamic Bayesian network." Royal Society Open Science 5, no. 4 (2018): 171438. http://dx.doi.org/10.1098/rsos.171438.

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This paper presents a quantitative reliability modelling and analysis method for multi-state elements based on a combination of the Markov process and a dynamic Bayesian network (DBN), taking perfect repair, imperfect repair and condition-based maintenance (CBM) into consideration. The Markov models of elements without repair and under CBM are established, and an absorbing set is introduced to determine the reliability of the repairable element. According to the state-transition relations between the states determined by the Markov process, a DBN model is built. In addition, its parameters for
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Kahandawa, Ravindu K. A. V. D., Niluka D. Domingo, Gregory Chawynski, and S. R. Uma. "Earthquake Damage Repair Loss Estimation in New Zealand: What Other Variables Are Essential Based on Experts’ Opinions?" Buildings 11, no. 9 (2021): 385. http://dx.doi.org/10.3390/buildings11090385.

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Major earthquakes can cause extensive damage to buildings and alter both the natural and built environments. Accurately estimating the financial impact from these events is complex, and the damage is not always visible to the naked eye. PACT, SLAT, and HAZUS are some of the computer-based tools designed to predict probable damage before an earthquake. However, there are no identifiable models built for post-earthquake use. This paper focuses on verifying the significance and usage of variables that specifically need to be considered for the post-earthquake cost estimation of earthquake damage
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Woosik Jeong, Ilkwon Kang, Kyowon Jin, and Sungho Kang. "A Fast Built-in Redundancy Analysis for Memories With Optimal Repair Rate Using a Line-Based Search Tree." IEEE Transactions on Very Large Scale Integration (VLSI) Systems 17, no. 12 (2009): 1665–78. http://dx.doi.org/10.1109/tvlsi.2008.2005988.

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Meena, Shweta. "Implementation of ReBISR Scheme for RAMs using Spare Elements." Asian Journal of Engineering and Applied Technology 2, no. 1 (2013): 21–27. http://dx.doi.org/10.51983/ajeat-2013.2.1.646.

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Key components of SOCs are memories which come with different sizes and different configurations. Memories usually constitute a major portion of the chip area. By improving the yield of RAM improves the yield of chip. Diagnostics for yield improvement of the memories thus is a very important issue. This paper presents a Built-in Self Repair scheme to repair the memories for yield improvement of the chip using redundancy analysis algorithm. The proposed BISR scheme has three phases. In the first phase BIST is used to detect the faulty location in the memory. In order to determine a correct repa
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Rauch, Matthieu, Jean-Yves Hascoët, and Manjaiah Mallaiah. "Repairing Ti-6Al-4V aeronautical components with DED additive manufacturing." MATEC Web of Conferences 321 (2020): 03017. http://dx.doi.org/10.1051/matecconf/202032103017.

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Direct Energy Deposition (DED) processes are Additive Manufacturing (AM) processes that provide new perspectives for the manufacturing industry. In particular the area of component repair could highly benefit from these processes. It is consequently necessary to ensure the ability of DED processes, so that the repaired component can provide the same level of service than a new one. This paper focuses on the repair of Ti-6Al-4V parts by powder based LMD AM and investigates its accuracy, repeatability and reliability. At first, an experimental campaign has been carried out to evaluate the charac
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Wang, Tao, Dingwei Liu, Lin Wang, et al. "DNA Repair Genes Are Associated with Subtype Classification, Prognosis, and Immune Infiltration in Uveal Melanoma." Journal of Oncology 2022 (January 19, 2022): 1–18. http://dx.doi.org/10.1155/2022/1965451.

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Uveal melanoma (UM) is the most common primary intraocular malignancy in adults. DNA repair genes play a vital role in cancer development. However, there has been very little research about DNA repair genes in UM. This study aimed to evaluate the importance of DNA repair genes and established a signature for predicting prognosis and immune features of UM. In this study, we mined TCGA database through bioinformatics analysis, and the intersect was taken between DNA repair genes and prognosis related genes and yielded 52 genes. We divided 80 UM patients into C1 and C2 subtypes. GSEA results indi
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Mineeva, Tatyana A., Nadezhda A. Kuznetsova, and Nataliia E. Kalinina. "Value Analysis of the Machine-Building Enterprise Repair Facilities Activities." MATEC Web of Conferences 346 (2021): 03021. http://dx.doi.org/10.1051/matecconf/202134603021.

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This article is devoted to the problems of the organizational structure optimization by the method of Value Analysis (VA). The analysis of the control system is of particular relevance in modern conditions. The purpose of this article is to adapt the Value Analysis to the management structure with the possibility of increasing efficiency. VA is a universal and highly effective method for optimizing parameters and other design, technological, organizational, economic characteristics of products, works and services. The hypothesis of the possibility of applying the Value Analysis to the organiza
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Wang, Xinshu, Zhiyuan Huang, Lei Li, et al. "The Role of Alternative Splicing Factors, DDB2-Related Ageing and DNA Damage Repair in the Progression and Prognosis of Stomach Adenocarcinoma Patients." Genes 14, no. 1 (2022): 39. http://dx.doi.org/10.3390/genes14010039.

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DNA damage response is a key signal transduction pathway in triggering ageing and tumor progression. Abnormal alternative splicing (AS) is associated with tumors and ageing. However, the role of AS factors associated with DNA damage repair and ageing in stomach adenocarcinoma (STAD) remains unclear. We downloaded the percentage of splicing (PSI) values for AS in STAD from the TCGA SpliceSeq database. The PSI values of DNA repair gene AS events were integrated with STAD patient survival data for Cox regression analysis. The prediction model for the overall survival (OS) was constructed by the c
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Widhiananda, I. Gusti Ngurah Agung, I. Made Arsa Suyadnya, and Komang Oka Saputra. "RANCANG BANGUN APLIKASI RESERVASI SERVICE UNTUK BENGKEL SEPEDA MOTOR BERBASIS WEB." Jurnal SPEKTRUM 4, no. 2 (2018): 97. http://dx.doi.org/10.24843/spektrum.2017.v04.i02.p13.

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Motorbike repair shops are one of the industries which provide services for repairs, tunings, or even providing availability of parts to the customer. Punctuality is one of the most important factor to every users that uses this kind of service. Nowadays, most of the repair shops provide several means to book and to make a reservation for most customer's intended services. But, they are done manually by the management, either by direct visits or by call. This will gradually become a tedious task and requires meticulous book keeping to track a huge numbers of reservations. This research was don
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Zhang, Yongjie, Samya Ettoumi, Bo Cui, and Jingpiao Zhou. "Damage Initiation Analysis of a Tension Stiffened Composite PRSEUS Panel Based on Modified Hashin Criteria." International Journal of Aerospace Engineering 2023 (January 23, 2023): 1–19. http://dx.doi.org/10.1155/2023/5085334.

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In this study, a damaged three-stringer PRSEUS panel simulating a midbay-to-midbay damage scenario was modelled in Abaqus and analyzed under tension. Moreover, employing the Abaqus built-in Hashin failure criteria verified the reliability of the criteria in predicting damage initiation with great accuracy. Further, these criteria were implemented via UMAT to investigate the effect of shear stress on the analysis, indicating that manipulating the coefficient of shear stress contribution led to a significant enhancement in analysis accuracy. Lastly, the same procedure was followed in the analysi
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Bani, Aplonia, Suprihatin, SK Saptomo, and RL Kaswanto. "Resource Equivalency Analysis (REA): Implication environmental of groundwater in Kupang East Nusa Tenggara." Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) 13, no. 1 (2023): 68–75. http://dx.doi.org/10.29244/jpsl.13.1.68-75.

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This article discusses the environmental assessment caused by the commercial use of groundwater by the community as landowners. In the future, this practice must receive direction and responsibility from the government as policymakers to prevent and repair environmental damage, especially habitat damage and species in strengthening the principle of "paying for commercial groundwater" with the REA methodology to assess and compensate for environmental damage. This method, developed by the National Oceanographic and Atmospheric Administration (NOAA), uses the scale of remediation required to com
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Kutukov, A. А., L. S. Romanova, and E. N. Kolokoltseva. "Stone Staircase Design in Historical Buildings in Tomsk Late in 19th and Early 20th Centuries." Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture 26, no. 5 (2024): 127–50. http://dx.doi.org/10.31675/1607-1859-2024-26-5-127-150.

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The paper studies the stone staircase design in Russia and Tomsk on the example of the main building of the former Tomsk Imperial University built in 1878-1888, and the building 12 on Gogol Street built in 1908.The relevance of the article is conditioned by the necessity to consider historical staircases when carrying out repair and restoration works on the objects of cultural heritage and historical buildings for the maximum preservation of their authenticity.Purpose: To study the design of stone staircases late in the 19th and early 20th centuries in Russia and Tomsk. The study is based on t
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Liu, Qing, Jian Xie, and An Xiang Ge. "Analysis on the Western-Style Structural System of Zizhulin Church." Applied Mechanics and Materials 256-259 (December 2012): 878–83. http://dx.doi.org/10.4028/www.scientific.net/amm.256-259.878.

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Built in Chinese specific historical period, most western-style historical buildings have the western pattern and Chinese structural type. In many years of existence, they mostly face a grave situation because of the damages and risks in structural safety. To better protect them, an in-depth understanding is required. Taking Zizhulin Church in Tianjin as the case, it adopted the brick-timber structure, with local technologies and concepts applied in this church to achieve the western pattern. The well-planned layout and facade, the materials, as well as the constructional details are analysed,
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Ikiriko, Tamunoikuronibo Dawaye, and Donubari Enwin Anthony. "Assessment of Residential Buildings Condition in Government Built Housing Estates of Port Harcourt Municipality, Nigeria." International Journal of Social Science and Human Research 04, no. 11 (2021): 3208–17. https://doi.org/10.47191/ijsshr/v4-i11-19.

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A major key indicator for assessing the quality of an urban residential neighborhood is the building condition. A good building condition adds value to a neighborhood in terms of aesthetics, safety, security and comfort. The Rivers State Government has in 1986 - 1998 built 12 residential estates for her staff members in the study area. The responsibility of maintenance of the buildings has been left to the owner occupiers of those houses. What is the state of those houses which has been built for over 30years? It is on this note that this study is poised to ascertain the physical condition of
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Purnomo, Dwi Agus, Djoko Prijo Utomo, Agung Barokah Waseso, and Mira Marindaa. "COMPARISON ANALYSIS OF RAILWAY BRIDGE MODUL FOR “I” GIRDER TYPE AND “WARREN” TRUSS TYPE." Majalah Ilmiah Pengkajian Industri 14, no. 1 (2020): 47–58. http://dx.doi.org/10.29122/mipi.v14i1.3833.

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The railway bridge in Indonesia, with a width of 1067 mm, was built in 1878, so that maintenance modules are needed to repair or to replace of construction modul at regular intervals. Implementation of maintenance and repairs refers to the Minister of Transportation Regulation No. 60 of 2012. Problems were encountered in the field at the BH182 Daop 2 railway bridge in Bandung due to lowering structural strength. Therefore, it was necessary to repair the bridge module with a new bridge design. The purpose of this study is to analyse and to calculate strength of the structure and to determine ef
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Mackiewicz, Monika, Janusz Ryszard Krentowski, Kamil Zimiński, and Aldona Skotnicka-Siepsiak. "Research on 18th-Century Building Structures in Terms of Static Scheme Changes." Materials 16, no. 24 (2023): 7689. http://dx.doi.org/10.3390/ma16247689.

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The evaluation of the technical condition of historic buildings that have operated for several hundred years is a complicated issue. Even buildings that are in very poor condition must be checked and assessed in terms of their further repair, strengthening, or compliance with conditions that allow the facility to be safely operated. Most 18th-century buildings have not survived to this day retaining their original arrangements and structural elements. Renovations and repair work in the past were often carried out using materials of uncertain quality, with repair work of different qualities and
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Trufanova, A. "ON THE ISSUE OF DETERMINING THE PRODUCTION COST OF THE CAPITAL RENEWAL OF PASSENGER CARS." Municipal economy of cities 1, no. 182 (2024): 241–47. http://dx.doi.org/10.33042/2522-1809-2024-1-182-241-247.

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In recent years, the inventory of passenger cars has decreased significantly due to the exclusion from service of the ones that have already exhausted their service life. The wear and tear of the passenger rolling stock of Ukrzaliznytsia JSC is approaching 90%. Repair and maintenance costs for outdated railcars account for over half of the industry’s expenses. In conditions of an acute shortage of newly built cars, practically the only way to maintain the operability of the car fleet is to overhaul passenger cars that have exhausted their service life. At the same time, based on the results of
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Kutukov, A. A., L. S. Romanova, and E. N. Kolokoltseva. "Floor structure in public houses in Tomsk in 19−20th centuries (the Tomsk State University building case studies)." Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture 26, no. 3 (2024): 77–93. http://dx.doi.org/10.31675/1607-1859-2024-26-3-77-93.

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The article studies the structural features of the floor and attic ceilings of the main building of the former Tomsk Imperial University built in 1878−1888 and their changes during the operation and after restoration in 1988-1991. The relevance is conditioned by the tendency of irreparable losses of authentic structural elements during repair and restoration of cultural heritage objects and historical buildings in Tomsk.Purpose: The aim of the research is to study the floor structures of the main building of the former Imperial University in Tomsk (since 1919 Tomsk State University), as well a
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Marsudi, Dianita Ratna Kusumastuti, Nursetiaji Pamungkas, Dedi Budi Setiawan, Primasiwi Harprastanti, and Marton. "Study of Structural Analysis of Damaged Concrete Beams Strenghted with Carbon Fiber Reinforced Polymer." International Journal of Advances in Scientific Research and Engineering 08, no. 04 (2022): 29–39. http://dx.doi.org/10.31695/ijasre.2022.8.4.4.

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It is necessary to repair the cracks in the concrete structure to prevent further damage that can lead to the collapse of the structure. Repairs can restore and increase the strength of structural elements so that they are able to withstand the load in accordance with the design load, finally further decisions can be made for the next function. The results of the flexural strength test of K-150 collapsed concrete beams 100% able to withstand a load of 58 kN, K-250 collapsed 100% able to withstand a load of 64.33 kN, K-150 coated with CRFP tensile part collapsed 100% able to withstand a load of
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Huang, Ching-Shui, Feng-Chuan Tai, Heng-Hui Lien, Jia-Uei Wong, and Chi-Cheng Huang. "Long-term Follow-up of Patients With Hernia Using the Hernia-Specific Quality-of-Life Mobile App: Feasibility Questionnaire Study." JMIR Formative Research 6, no. 10 (2022): e39759. http://dx.doi.org/10.2196/39759.

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Background Hernia repair is one of the most common surgical procedures; however, the long-term outcomes are seldom reported due to incomplete follow-up. Objective The aim of this study was to examine the use of a mobile app for the long-term follow-up of hernia recurrence, complication, and quality-of-life perception. Methods A cloud-based corroborative system drove a mobile app with the HERQL (Hernia-Specific Quality-of-Life) questionnaire built in. Patients who underwent hernia repair were identified from medical records, and an invitation to participate in this study was sent through the po
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Zhang, Jia Lei, Zhen Lin Jin, and Dong Mei Zhao. "The Reliability Analysis of Mechanical Leg (2UPS+UP) Based on a Discrete Time Repairable Markov Model." Applied Mechanics and Materials 713-715 (January 2015): 760–63. http://dx.doi.org/10.4028/www.scientific.net/amm.713-715.760.

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We have analyzed some reliability problems of the 2UPS+UP mechanism using continuous Markov repairable model in our previous work. According to the check and repair of the robot is periodic, the discrete time Markov repairable model should be more appropriate. Firstly we built up the discrete time repairable model and got the one step transition probability matrix. Secondly solved the steady state equations and got the steady state availability of the mechanical leg, by the solution of the difference equations the reliability and the mean time to first failure were obtained. In the end we comp
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Frolov, Mykhaylo, Sergiy Surkov, Sergiy Tanchenko, Adam Barycki, Vasyl Solokha, and Viktoriia Shtankevych. "USE OF SHEWHART CONTROL CHARTS TO ENSURE PRODUCT QUALITY AND OPTIMIZE THE MAINTENANCE SCHEDULE FOR CNC METAL-CUTTING MACHINES. CASE STUDIES." New Materials and Technologies in Metallurgy and Mechanical Engineering, no. 2 (June 16, 2025): 84–92. https://doi.org/10.15588/1607-6885-2025-2-10.

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Purpose. On the example of a CNC machine DAEWOO PUMA 600M, using statistical methods of quality management, in particular, Shewhart charts, a scheme for maintenance and repair of machine tools in order to reduce operating costs was work out. Research methods. For the case under study, from each batch of 30 Wheel units, the quality control department monitored the deviation from the nominal value of the most critical accuracy parameter, the mounting diameter for the rolling bearing outer ring, for five random products. A total of 60 such samples were taken. The mounting surface diameter was mon
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Islam, Md Sofiqul, Shadi El Bahra, Smriti Aryal A C, et al. "The Effect of Chemical Surface Modification on the Repair Bond Strength of Resin Composite: An In Vitro Study." Polymers 17, no. 4 (2025): 513. https://doi.org/10.3390/polym17040513.

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This in vitro study investigates the impact of the chemical modification of resin composite surfaces on repair bond strength of micro-hybrid resin composite material. First, 7 mm circular × 3 mm thick resin composite disks were prepared using teflon molds. Then, 50 specimens out of 100 were allocated for stimulated aging using a thermo-cycling (10,000 cycles) device. Both the 24 h and 1-year-aged composite discs were embedded in epoxy resin using a 2.5 cm wide × 1.5 cm thick circular mold. The surfaces were treated with Clearfil S3 bond alone or with the additional application of silane or por
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Shen, Yi, Shuangchi Sun, Wei Sun, Long Zhou, and Zhongkai Huang. "Understanding the Factors and Consequences of Gas Deflagration Accident in Metro Shield Tunnel: Site Investigation and Numerical Analysis." Buildings 14, no. 1 (2023): 56. http://dx.doi.org/10.3390/buildings14010056.

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This study aims to investigate the factors and consequences of gas deflagration accidents in metro shield tunnels based on on-site investigation and numerical analysis. We built a numerical model and detection process for an underground shield tunnel subjected to an internal explosion from an actual accident. The tunnel geometry under consideration is the same as that used for the metro line. Concerning the limitations of research on the failure and recovery mechanism of shield segmental linings under the action of internal explosion load, an explosion accident of a shield segmental lining und
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Shubham, Kumar. "ANALYSIS OF MALACIOUS JELLY FISH NODES ON WSN." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES 6, no. 7 (2019): 121–32. https://doi.org/10.5281/zenodo.3355706.

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Custom remote control systems comprise of self-guided, self-guided hubs with zero structure. Along these lines, specifically equipped systems possess a powerful topology therefore the hubs can without very much of an extend sign up for or keep the program whenever. They possess many potential applications, especially in armed forces and repair areas, for example, interfacing troopers on the entrance series or producing another program rather than a program that crumbled after a calamity like the seismic tremor. Tweaked systems are acceptable for specific zones where a set base cannot be built
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Luo, L. L., Z. T. Xie, T. Wu, Y. W. Wang, C. B. Xiao, and C. J. Ling. "The Structural Analysis of the Historical Constructions of West China Campus-Sichuan University." Advanced Materials Research 133-134 (October 2010): 1219–24. http://dx.doi.org/10.4028/www.scientific.net/amr.133-134.1219.

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A group of buildings in West China Campus-Sichuan University (The Atherton Building for Biology and preventive Medicine, The Lamont Library and Harvard-Yenching Museum, and The Whiting Memorial Administration Building) featured both in Chinese and Western styles were built by five western churches together in 1910, under the name of “Private West China United University”. To protect the buildings, the authors tested the strength of materials taken from the buildings and inspected the buildings in site to evaluate the structure of the historical constructions. The authors suggested protective m
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Thakur, Rupendra, and Balwinder Lallotra. "Seismic evaluation and retrofit of existing structures in Nepal." IOP Conference Series: Earth and Environmental Science 1326, no. 1 (2024): 012041. http://dx.doi.org/10.1088/1755-1315/1326/1/012041.

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Abstract In Nepal, there are roughly 82,000 structures that are home to over 33,000 schools, of which over 60,000 need seismic upgrading. National and worldwide communities are becoming more aware of the necessity of enhancing buildings earthquake safety. The experiences, difficulties, and lessons discovered while conducting a school retrofitting program in Nepal are highlighted in this study using repeatable models. This report covers the experiences, difficulties, and lessons discovered while conducting a building retrofitting program in Nepal using replicable models. The article offers idea
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