Academic literature on the topic 'Replacement and performance'

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Journal articles on the topic "Replacement and performance"

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Jamieson, WR Eric, Eva Germann, Guy J. Fradet, Samuel V. Lichtenstein, and Robert T. Miyagishima. "Bioprostheses and Mechanical Prostheses Predictors of Performance." Asian Cardiovascular and Thoracic Annals 8, no. 2 (2000): 121–26. http://dx.doi.org/10.1177/021849230000800207.

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From 1975 to 1995, 4200 patients had bioprosthetic valve replacements (2240 aortic, 1607 mitral, 353 multiple) and 2038 had mechanical valve replacements (747 aortic, 928 mitral, 363 multiple). Freedom from major thromboembolism or both major thromboembolism and hemorrhage for aortic and mitral valve replacement at 15 years was significantly greater for bioprostheses than mechanical prostheses. Freedom from valve-related mortality and reoperation for both aortic and mitral valve replacements was the same for bioprostheses and mechanical prostheses. Advancing age increased overall mortality (al
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Anwar, Faiz Habib, Hilal El-Hassan, Mohamed Hamouda, Gilbert Hinge, and Kim Hung Mo. "Meta-Analysis of the Performance of Pervious Concrete with Cement and Aggregate Replacements." Buildings 12, no. 4 (2022): 461. http://dx.doi.org/10.3390/buildings12040461.

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In recent years, pervious concrete (PC) has gained much attention as one of the strategies for low-impact development (LID) in pavements due to its structural, economic, and road-user benefits. This study sought to review and evaluate changes in the mechanical, hydraulic, and durability performance of PC produced with cement and aggregate replacements. A meta-analysis was conducted to elucidate the feasible range of the replacement percentage and the number of materials that could be used to replace cement and aggregates; single or binary replacements were considered. Results indicated that ce
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Zheng, Shiqi, Qing Liu, Fengxia Han, Shan Liu, Tong Han, and Hao Yan. "Basic Mechanical Properties of Self-Compacting Concrete Prepared with Aeolian Sand and Recycled Coarse Aggregate." Buildings 14, no. 9 (2024): 2949. http://dx.doi.org/10.3390/buildings14092949.

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To protect the environment and reduce the consumption of natural resources, this study investigated the performance of self-compacting concrete (SCC) utilizing aeolian sand (AS) as a replacement for fine aggregate and recycled coarse aggregate (RCA) as a replacement for natural coarse aggregate. Twelve mixing ratios were prepared, with AS replacement ratios at 0, 20%, 40%, and 60% and RCA replacement ratios at 0, 25%, and 50%. The evaluation primarily focused on workability, uniaxial compressive strength, split tensile strength, stress–strain curve, modulus of elasticity, and axial compressive
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Beazley, JCS, JP Evans, ND Furness, and CD Smith. "Comparative learning curves for early complications in anatomical and reverse shoulder arthroplasty." Annals of The Royal College of Surgeons of England 100, no. 6 (2018): 491–96. http://dx.doi.org/10.1308/rcsann.2018.0062.

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Introduction There has been a significant increase in the implantation of reverse shoulder replacements over anatomical shoulder replacements in the past five years. Few comparative data exist comparing early complication rates and learning curves. This study aimed to evaluate the early complication rates and learning curves of a single surgeon series of anatomical and reverse shoulder replacements over the first five years of independent practice. Materials and methods The first 100 anatomical and 100 reverse shoulder replacements performed between July 2011 and July 2016 were reviewed to ide
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Shang, Lijun, Guojun Shang, Yongjun Du, Qingan Qiu, Li Yang, and Qinglai Dong. "Post-Warranty Replacement Models for the Product under a Hybrid Warranty." Mathematics 10, no. 10 (2022): 1644. http://dx.doi.org/10.3390/math10101644.

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In this article, by considering both a limited number of failure replacements and a limited number of random working cycles as warranty terms, a hybrid warranty (HW) is designed from the manufacturer’s point of view to warrant the product that does successive projects at random working cycles. The warranty cost produced by HW is derived and analyzed. By defining that HW warrants the product, two types of post-warranty replacement models are investigated from the consumer’s point of view to ensure the reliability of the product through HW, i.e., customized post-warranty replacement and uniform
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Germanovich, A. "Replacement performance of mobile chippers." Актуальные направления научных исследований XXI века: теория и практика 3, no. 4 (2015): 283–86. http://dx.doi.org/10.12737/13946.

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Ewens, Michael, and Matt Marx. "Founder Replacement and Startup Performance." Review of Financial Studies 31, no. 4 (2017): 1532–65. http://dx.doi.org/10.1093/rfs/hhx130.

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Bull, James, James M. Buick, and Jovana Radulovic. "Investigation of Working Fluid Performance through a Centrifugal Compression System." Applied Mechanics 3, no. 3 (2022): 815–29. http://dx.doi.org/10.3390/applmech3030048.

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Commonly, researchers have investigated many factors that impact the performance of air conditioning and refrigeration systems, such as varied cooling configurations, operating conditions and optimization of specific system components. Although there is an abundance of research detailing the importance of working fluid selection, very few studies focus on how the working fluid selection influences the performance of the individual components of the system, such as the compressor. In this paper, the performances of a selection of working fluids are compared through a centrifugal compressor usin
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Canseco-Tuñacao, H. A. R., K. Remoto, K. Melendres, and I. M. Deguzman. "Recycled Coarse Aggregate from Concrete Waste Using DMDA for Concrete." IOP Conference Series: Earth and Environmental Science 999, no. 1 (2022): 012003. http://dx.doi.org/10.1088/1755-1315/999/1/012003.

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Abstract This study investigates the effect of the replacement of recycled concrete as coarse aggregates using the Densified Mixture Design Algorithm Method (DMDA) in unconfined concrete behavior. DMDA was applied to produce concrete with the least void. Compressive strength, flexural strength and split tensile strength tests were conducted on 7-, 14-, 28- and 56-day old specimens. Compressive strength test results showed that specimens with 20, 30, and 40% RCA replacements at 56 days are relatively lower compared to the control and with 10% RCA replacement specimens. The compressive strengths
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Zhu, Ping Hua, Su Cheng Zhang, and Qun Xia. "Research on Frost Resistance of Recycled High Performance Concrete." Applied Mechanics and Materials 665 (October 2014): 159–62. http://dx.doi.org/10.4028/www.scientific.net/amm.665.159.

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Experimental research on the frost resistance of recycled high performance concrete (RHPC) was carried out, in which three kinds of replacements were considered including recycled coarse or fine aggregate to natural coarse or fine aggregate and together. The results showed that RHPC had the lower dynamic modulus and mass loss than natural aggregate concrete when the replacement of recycled coarse or fine aggregate ranged 30-70% or 10-50%. The best frost resistance of RHPC appeared to the simultaneous replacements of 50% and 10% for recycled coarse and fine aggregate.
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Dissertations / Theses on the topic "Replacement and performance"

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Ma, Linlin. "Internal versus External Replacement of Mutual Fund Managers." Digital Archive @ GSU, 2013. http://digitalarchive.gsu.edu/finance_diss/23.

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I use a unique dataset of 1,808 mutual fund manager replacements to study the determinants and the subsequent impact of the choice between hiring the successor from within (internal hire) and outside (external hire) the fund family. I find that fund families prefer to replace their top performers with internal hires and bottom performers with external hires. External hires demonstrate superior ability to turn around bottom performing funds, but exhibit inferior ability to maintain the record of top performing funds. I find no cross-sectional difference in post-replacement performance between i
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Tolmie, Melissa Berry. "An investigation of the performance of gray-component replacement /." Online version of thesis, 1987. http://hdl.handle.net/1850/10313.

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Stammen, Jason Anthony. "Mechanical performance of a novel biomaterial for articular cartilage replacement." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/18961.

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Owen, Trevor James. "Financial Performance Outcomes Following System Replacement in the Insurance Industry." ScholarWorks, 2015. https://scholarworks.waldenu.edu/dissertations/1547.

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Enterprise system replacement projects within the property and casualty insurance industry are costly, high-risk undertakings that carry a significant risk of project failure. The decision to replace policy administration systems for companies with over $250 million in direct written premium is a multimillion dollar investment for corporate strategic decision makers. This study examined the financial impact of enterprise policy administration system replacement in the property and casualty insurance industry by comparing financial performance results for companies that performed policy adminis
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Darwish, Abdulhanan A. "Development of high performance concrete using combinations of mineral admixtures." Thesis, University of Sheffield, 1995. http://etheses.whiterose.ac.uk/3066/.

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Cement replacement materials are by-products used to produce high performance concrete. Published data on the effects of combinations of mineral admixtures in concrete on the microstructural and performance-related properties under different curing regimes are comparatively little. Further the correlation of strength of concrete to its permeability and pore structure is also not clear. The main objective of this research is to study the performance of various combinations of fly ash/silica fume and slag/silica fume concretes under three different curing regimes, viz. continuous moist curing, n
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Dennis, Joseph M. "High Performance Engineering Polymers: Design, Properties, and Performance." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/80034.

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The facile synthesis of engineering thermoplastics enabled the development of structure-morphology-property relationships for a wide range of applications. Utilizing step-growth polymerization techniques, a myriad of reaction conditions probed various polymer families including polysulfones, polyesters, polyimides and polyureas. Copolymers ranging from random to segmented sequences provided insight into the influence of segment length on physical properties. Melting temperatures, glass transition temperatures, and mechanical properties responded systematically to segment length and morphology.
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Monday, Jessica Dawn. "Evaluation of peripubertal replacement breeding animals in beef herds." Thesis, Kansas State University, 2017. http://hdl.handle.net/2097/35530.

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Master of Science in Veterinary Biomedical Science<br>Department of Clinical Sciences<br>Robert L. Larson<br>The selection of young replacement animals can have a significant impact on beef herd reproductive performance. Replacement heifers can be utilized to improve reproductive performance by replacing mature animals that failed to meet the production with young, cycling heifers that can have the potential of improving the reproductive momentum of a herd. The use of yearling bulls in natural breeding herds has the advantage of shortening the generational interval of the herd and has the pote
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Guo, Ruirui. "High performance cache architectures for IP routing : replacement, compaction and sampling schemes." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Dissertations/Summer2007/r_guo_072307.pdf.

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Yoshida, Yuri. "Gait performance for individuals after total knee arthroplasty a longitudinal analysis /." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 210 p, 2009. http://proquest.umi.com/pqdweb?did=1892057421&sid=6&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Tan, Kheng Hooi. "Assessing the performance envelope of total knee replacement : an explicit finite element study." Thesis, University of Southampton, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.415232.

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Books on the topic "Replacement and performance"

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J, Bellemans, Ries Michael D, and Victor J, eds. Total knee arthroplasty: A guide to get better performance. Springer, 2005.

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ElAarag, Hala. Web Proxy Cache Replacement Strategies: Simulation, Implementation, and Performance Evaluation. Springer London, 2013.

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Historic Scotland. Technical Conservation, Research and Education Division., ed. The performance of replacement sandstone in the New Town of Edinburgh. Historic Scotland, 1997.

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John, Stanton. The replacement tyre market in Australia: A study of its structure and performance. University of Newcastle, Dept. of Economics and Institute of Industrial Economics, 1995.

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Symposium on Ceramic Wear Couple (2nd 1997 Stuttgart, Germany). Performance of the wear couple BIOLOX forte in hip arthroplasty: Proceedings of the 2nd Symposium on Ceramic Wear Couple, March 8, 1997, Stuttgart, Germany. Ferdinand Enke Verlag, 1997.

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Massachusetts. Dept. of Personnel Administration. Replacement training manual for the fire fighter physical performance test (PPT): With enhanced instructions for the stairway climb event to insure maximum safety. Commonwealth of Massachusetts, Dept. of Personnel Administration, 1994.

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International Joint Power Generation Conference (1990 Boston, Mass.). Performance monitoring and replacement of heat exchanger components and materials: Presented at the 1990 International Joint Power Generation Conference, Boston, Massachusetts, October 21-25, 1990. American Society of Mechanical Engineers, 1990.

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Programme, United Nations Development, ed. A review and evaluation of market and production performance of opium replacement vegetable cash crops extended in the highlands of northern Thailand between 2528-2531 (1984-1988): Internal report, report no. 2. United Nations Development Programme, 1989.

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S, Bayoglu Evren, Delafield Francis R, and United States. Environmental Protection Agency, eds. Performance of environmentally friendly CFC-12 replacements for refrigerator/freezers. U.S. Environmental Protection Agency, 1996.

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Performance Prism - Replacement CD. Pearson Education, Limited, 2002.

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Book chapters on the topic "Replacement and performance"

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Takatani, Setsuo, Hitoshi Koyanagi, Masamichi Nogawa, Taro Inamoto, and Hiroshi Nishida. "Ultracompact, High-Performance, Completely Implantable Permanent Electromechanical Total Artificial Heart." In Heart Replacement. Springer Japan, 1998. http://dx.doi.org/10.1007/978-4-431-65921-1_2.

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Oda, Teiji, Alfonso-Tadaomi Miyamoto, Yoshifumi Okamoto, and Toshihiko Ban. "Dual Chamber Skeletal Muscle-Powered Pump: Performance at Low Filling Pressure." In Heart Replacement. Springer Japan, 1993. http://dx.doi.org/10.1007/978-4-431-67023-0_48.

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Sakakibara, Naoki, Hirofumi Takemura, Takeo Tedoriya, et al. "Muscle-Powered Blood Pump Driven by Linear Muscle Actuator: System Development and Performance." In Heart Replacement. Springer Japan, 1993. http://dx.doi.org/10.1007/978-4-431-67023-0_47.

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Imanishi, K., K. Imachi, H. Yoshito, et al. "Evaluation of Pump Performance of a Percutaneous-Type Pulsatile Left Ventricular Assist Device (MAD Type 5 and Type 6)." In Heart Replacement. Springer Japan, 1998. http://dx.doi.org/10.1007/978-4-431-65921-1_71.

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Arlitt, Martin, Rich Friedrich, and Tai Jin. "Performance Evaluation of Web Proxy Cache Replacement Policies." In Computer Performance Evaluation. Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/3-540-68061-6_16.

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Sarma, A. Radhika, and R. Govindarajan. "An Efficient Web Cache Replacement Policy." In High Performance Computing - HiPC 2003. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-24596-4_3.

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Wynn, Thomas, and Frederick L. Coolidge. "The Expert Performance Model of Neandertal Cognition." In Replacement of Neanderthals by Modern Humans Series. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8980-1_3.

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Osawa, Noritaka, Toshitsugu Yuba, and Katsuya Hakozaki. "Generational replacement schemes for a WWW caching proxy server." In High-Performance Computing and Networking. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/bfb0031665.

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Dybdahl, Haakon, Per Stenström, and Lasse Natvig. "A Cache-Partitioning Aware Replacement Policy for Chip Multiprocessors." In High Performance Computing - HiPC 2006. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11945918_9.

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Murr, Lawrence E. "Strategies for Bone Replacement and Tissue Augmentation." In Handbook of Materials Structures, Properties, Processing and Performance. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-01815-7_31.

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Conference papers on the topic "Replacement and performance"

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Catrysse, Johan, and Daniel Tessens. "Microcontroller Replacement: Higher Performance, More Noise." In 2006_EMC-Europe_Barcelona. IEEE, 2006. https://doi.org/10.23919/emc.2006.10813230.

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Patel, Kartik, Virendra Yadav, Uday Karra, and Bheemappa Halavar. "Performance Analysis of Weighted Victim Cache Replacement Policy." In 2024 IEEE 31st International Conference on High Performance Computing, Data and Analytics Workshop (HiPCW). IEEE, 2024. https://doi.org/10.1109/hipcw63042.2024.00052.

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Moraes, Juliana dos Anjos, Guilherme Adams, Alvaro Meneguzzi, and Jane Zoppas. "PERFORMANCE COMPARISON OF PRE-COATING FOR REPLACEMENT OF PHOSPHATING." In 66º Congresso Anual da ABM. Editora Blucher, 2011. https://doi.org/10.5151/2594-5327-18021.

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Zaki Hamidi, Eki Ahmad, Khibran Muhammad Akbar, Ridha Muldina Negara, et al. "NDN Collaborative Caching Replacement and Placement Policy Performance Evaluation." In 2024 10th International Conference on Wireless and Telematics (ICWT). IEEE, 2024. http://dx.doi.org/10.1109/icwt62080.2024.10674708.

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Rai, Sadhana, and Basavaraj Talawar. "History aware interference distance based Page replacement policy for Hybrid Memory." In 2024 IEEE 31st International Conference on High Performance Computing, Data and Analytics Workshop (HiPCW). IEEE, 2024. https://doi.org/10.1109/hipcw63042.2024.00087.

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Zhu, Kan, Yilong Zhao, Yufei Gao, et al. "From Optimal to Practical: Efficient Micro-op Cache Replacement Policies for Data Center Applications." In 2025 IEEE International Symposium on High Performance Computer Architecture (HPCA). IEEE, 2025. https://doi.org/10.1109/hpca61900.2025.00060.

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Saurabh, Qurat Ui Ain, Arsh Goyal, Ashuvendra Singh, and Mukesh Kumar. "Performance of Concrete by Partial Replacement of Copper SLAG with Fine Aggregate." In 2024 1st International Conference on Sustainable Computing and Integrated Communication in Changing Landscape of AI (ICSCAI). IEEE, 2024. https://doi.org/10.1109/icscai61790.2024.10867129.

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Adabi, Oka Samdya, Hilal H. Nuha, Febri Dawani, Demi Adidrana, Rana Zaini Fathiyana, and Hassan Rizky Putra Sailellah. "Replacement Policy Performance Analysis LRU Insertion Policy (LIP) on X86 Computer Architecture." In 2024 International Conference on Innovation and Intelligence for Informatics, Computing, and Technologies (3ICT). IEEE, 2024. https://doi.org/10.1109/3ict64318.2024.10824569.

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Hdeib, Rouya, Sayed Ayman Mahfoodh, Marwan Aouad, and Yusuf Buzaboon. "Performance Evaluation of Steel Mill Scale as an Aggregate Replacement in Concrete." In 2024 International Conference on Decision Aid Sciences and Applications (DASA). IEEE, 2024. https://doi.org/10.1109/dasa63652.2024.10836573.

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Kessler, Stephen M., and Nhung T. Le. "Performance of a New Mill Supply Treatment Program." In CORROSION 1997. NACE International, 1997. https://doi.org/10.5006/c1997-97377.

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Abstract Cooling water treatments containing zinc are being more strictly regulated. Fines are being imposed in some instances where zinc discharge concentrations are as low as 0.5 ppm (mg/L). With regulatory concerns looming, many plants are deciding to eliminate zinc from their cooling loops. Laboratory work was conducted to identify potential zinc replacement technology for use under mill supply conditions typical of those found in pulp and paper applications. This industry segment is one of the largest users of once-through cooling water. An organic replacement able to provide zinc-like pe
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Reports on the topic "Replacement and performance"

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Dreicer, Jared Samuel. High-Performance Computing Spare Replacement Hardware Fault Tolerance. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/833493.

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Griffin, G. R., and R. N. Shull. Predicting F/A-18 Fleet Replacement Squadron Performance Using an Automated Battery of Performance-Based Tests. Defense Technical Information Center, 1990. http://dx.doi.org/10.21236/ada223899.

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Paget, M. L., R. D. Lingard, and M. A. Myer. CALiPER Benchmark Report: Performance of Halogen Incandescent MR16 Lamps and LED Replacement. Office of Scientific and Technical Information (OSTI), 2008. http://dx.doi.org/10.2172/1218234.

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Andresen, Claire E., and Patrick J. Gunn. Effects of Extended-release Eprinomectin on Replacement Heifer Performance and Reproductive Success. Iowa State University, 2018. http://dx.doi.org/10.31274/ans_air-180814-511.

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Ley, M., Zane Lloyd, Shinhyu Kang, and Dan Cook. Concrete Pavement Mixtures with High Supplementary Cementitious Materials Content: Volume 3. Illinois Center for Transportation, 2021. http://dx.doi.org/10.36501/0197-9191/21-032.

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Fly ash is a by-product of coal combustion, made up of particles that are collected through various methods. This by-product has been used successfully as a partial Portland cement replacement in concrete, but the performance predictions of fly ash in concrete have been difficult to predict, especially at high fly ash replacement rates. This study focuses on comparing the performance of concrete with a variety of fly ash mixtures as well as the particle distribution and chemical makeup of fly ash. The slump, unit weight, compressive strength, and isothermal calorimetry tests were used to measu
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Romero, Randy L. Jr. Evaluation of replacement protocols and modifications to TCP to enhance ASC Wide Area Network performance. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/919170.

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Chong, Alberto E., and Virgilio Galdo. Should State-Owned Firms Change CEOs before Privatization?: The Case of the Telecommunications Industry. Inter-American Development Bank, 2003. http://dx.doi.org/10.18235/0010809.

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Should state-owned enterprises change chief executive officer before privatizing? We test competing views on this question by complementing a recently released database with newly collected data. We are able to cover 77 telecommunications privatizations, which account for nearly 80 percent of the sector in terms of value. We find that CEO replacement will improve performance in the telecommunications industry before privatization as measured by penetration, operating efficiency, and profitability. CEO change before privatization does appear to have real consequences in firm performance before
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Lomboy, Gilson, Douglas Cleary, Seth Wagner, et al. Long-term performance of sustainable pavements using ternary blended concrete with recycled aggregates. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40780.

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Dwindling supplies of natural concrete aggregates, the cost of landfilling construction waste, and interest in sustainable design have increased the demand for recycled concrete aggregates (RCA) in new portland cement concrete mixtures. RCA repurposes waste material to provide useful ingredients for new construction applications. However, RCA can reduce the performance of the concrete. This study investigated the effectiveness of ternary blended binders, mixtures containing portland cement and two different supplementary cementitious materials, at mitigating performance losses of concrete mixt
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Konnyu, Kristin J., Louise M. Thoma, Monika Reddy Bhuma, et al. Prehabilitation and Rehabilitation for Major Joint Replacement. Agency for Healthcare Research and Quality (AHRQ), 2021. http://dx.doi.org/10.23970/ahrqepccer248.

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Objectives. This systematic review evaluates the rehabilitation interventions for patients who have undergone (or will undergo) total knee arthroplasty (TKA) or total hip arthroplasty (THA) for the treatment of osteoarthritis. We addressed four Key Questions (KQs): comparisons of (1) rehabilitation prior (“prehabilitation”) to TKA versus no prehabilitation, (2) comparative effectiveness of different rehabilitation programs after TKA, (3) prehabilitation prior to THA versus no prehabilitation, (4) comparative effectiveness of different rehabilitation programs after THA. Data sources and review
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Myer, M. A., M. L. Paget, and R. D. Lingard. CALiPER Benchmark Report: Performance of T12 and T8 Fluorescent Lamps and Troffers and LED Linear Replacement Lamps. Office of Scientific and Technical Information (OSTI), 2009. http://dx.doi.org/10.2172/1218286.

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