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Journal articles on the topic 'Compression set'

Author: Grafiati

Published: 4 May 2024

Last updated: 26 July 2025

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1

Eldstål-Ahrens, Albin, Angelos Arelakis, and Ioannis Sourdis. "L ² C: Combining Lossy and Lossless Compression on Memory and I/O." ACM Transactions on Embedded Computing Systems 21, no. 1 (2022): 1–27. http://dx.doi.org/10.1145/3481641.

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In this article, we introduce L 2 C, a hybrid lossy/lossless compression scheme applicable both to the memory subsystem and I/O traffic of a processor chip. L 2 C employs general-purpose lossless compression and combines it with state-of-the-art lossy compression to achieve compression ratios up to 16:1 and to improve the utilization of chip’s bandwidth resources. Compressing memory traffic yields lower memory access time, improving system performance, and energy efficiency. Compressing I/O traffic offers several benefits for resource-constrained systems, including more efficient storage and n

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Bayerl, H. "Compression Set of Silicone Elastomers." International Polymer Science and Technology 36, no. 8 (2009): 1–4. http://dx.doi.org/10.1177/0307174x0903600801.

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Compression set is one of the most important properties of rubber, particularly for sealing applications. Nevertheless, this key characteristic is frequently disregarded or misinterpreted when it comes to material selection. Compression set and the method of determining this material property are described by reference to silicone elastomers. Critical parameters influencing compression set are illustrated by means of examples and a comparison is made between established test standards.

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Izzard, V. G., C. H. Bradsell, H. Hadavinia, V. J. Morris, P. J. S. Foot, and N. Witten. "Investigation of the Compression Recovery Properties of Polyamide-6 Cellular Solid over the Temperature Range of -5°C to 90°C." Key Engineering Materials 417-418 (October 2009): 933–36. http://dx.doi.org/10.4028/www.scientific.net/kem.417-418.933.

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It is a fundamental response of any polymeric foam material to undergo non-recoverable deformation following the application of a defined compressive strain, exacerbated by temperature and humidity. This process is commonly referred to as compression set. The ability to predict recovery after the application of a compressive strain is crucial to both the manufacturers and end users of foam materials. Specific compression set test procedures have been established to quantify the extent of non-recoverable deformation in specific foam types but to date no general predictive approach exists. In th

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Hayati, Anis Kamilah, and Haris Suka Dyatmika. "THE EFFECT OF JPEG2000 COMPRESSION ON REMOTE SENSING DATA OF DIFFERENT SPATIAL RESOLUTIONS." International Journal of Remote Sensing and Earth Sciences (IJReSES) 14, no. 2 (2018): 111. http://dx.doi.org/10.30536/j.ijreses.2017.v14.a2724.

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The huge size of remote sensing data implies the information technology infrastructure to store, manage, deliver and process the data itself. To compensate these disadvantages, compressing technique is a possible solution. JPEG2000 compression provide lossless and lossy compression with scalability for lossy compression. As the ratio of lossy compression getshigher, the size of the file reduced but the information loss increased. This paper tries to investigate the JPEG2000 compression effect on remote sensing data of different spatial resolution. Three set of data (Landsat 8, SPOT 6 and Pleia

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Ren, Shuxia, Tao Wu, and Shubo Zhang. "Complex Network Filtering and Compression Algorithm Based on Triangle-Subgraph." Discrete Dynamics in Nature and Society 2020 (June 1, 2020): 1–8. http://dx.doi.org/10.1155/2020/7498605.

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Compressing the data of a complex network is important for visualization. Based on the triangle-subgraph structure in complex networks, complex network filtering compression algorithm based on the triangle-subgraph is proposed. The algorithm starts from the edge, lists nodes of the edge and their common node sets to form a triangle-subgraph set, parses the triangle-subgraph set, and constructs new complex network to complete compression. Before calculating the set of triangle-subgraph, node importance ranking algorithm is proposed to extract high- and low-importance nodes and filter them to re

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Sarinova, Assiya, Alexandr Neftissov, Leyla Rzayeva, Alimzhan Yessenov, Lalita Kirichenko, and Ilyas Kazambayev. "Development of an algorithm for compressing aerospace images for the subsequent recognition and identification of various objects." Information technology. Industry control systems 3, no. 2 (129) (2024): 83–94. http://dx.doi.org/10.15587/1729-4061.2024.306973.

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The object of study is the recognition and identification of various objects in aerospace images. To solve the problems of compressing hyperspectral aerospace images with losses, the development of a compression algorithm is proposed. As a result, an algorithm has been developed for compressing aerospace images for subsequent recognition and identification of various objects using wavelet transform for processing high- and medium-resolution space images when monitoring from remote sensing satellites, based on the use of structural features of object images. In particular, orthogonal and wavele

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7

Zhou, Xichuan, Lang Xu, Shujun Liu, Yingcheng Lin, Lei Zhang, and Cheng Zhuo. "An Efficient Compressive Convolutional Network for Unified Object Detection and Image Compression." Proceedings of the AAAI Conference on Artificial Intelligence 33 (July 17, 2019): 5949–56. http://dx.doi.org/10.1609/aaai.v33i01.33015949.

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This paper addresses the challenge of designing efficient framework for real-time object detection and image compression. The proposed Compressive Convolutional Network (CCN) is basically a compressive-sensing-enabled convolutional neural network. Instead of designing different components for compressive sensing and object detection, the CCN optimizes and reuses the convolution operation for recoverable data embedding and image compression. Technically, the incoherence condition, which is the sufficient condition for recoverable data embedding, is incorporated in the first convolutional layer

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8

Tao, Dingwen, Sheng Di, Hanqi Guo, Zizhong Chen, and Franck Cappello. "Z-checker: A framework for assessing lossy compression of scientific data." International Journal of High Performance Computing Applications 33, no. 2 (2017): 285–303. http://dx.doi.org/10.1177/1094342017737147.

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Because of the vast volume of data being produced by today’s scientific simulations and experiments, lossy data compressor allowing user-controlled loss of accuracy during the compression is a relevant solution for significantly reducing the data size. However, lossy compressor developers and users are missing a tool to explore the features of scientific data sets and understand the data alteration after compression in a systematic and reliable way. To address this gap, we have designed and implemented a generic framework called Z-checker. On the one hand, Z-checker combines a battery of data

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9

Irsan, Lubis. "Implementasi Algoritma Set Partitioning in Hierarchical Trees (SPIHT) dan Algoritma Huffman Untuk Kompresi File Citra." Bulletin of Computer Science Research 2, no. 2 (2022): 34–40. http://dx.doi.org/10.47065/bulletincsr.v2i2.156.

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As technology develops, the process of sending files no longer needs to be done manually. Data or files can be sent electronically via email. The image file size is sometimes very large, where the better the quality of the resulting image, the bigger the pixel size needed to record the image. With a very large image file size, the transfer process may fail, because the media storage space exceeds its limit. The solution to this problem is how the image file can be compressed in order to speed up the transfer and storage of image files. Image compression is done by reducing the size of the imag

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10

Li, Dalong, and Steven Simske. "Training Set Compression by Incremental Clustering." Journal of Pattern Recognition Research 6, no. 1 (2011): 56–64. http://dx.doi.org/10.13176/11.254.

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11

Turland, Darryl. "Do compression set results measure up?" Sealing Technology 2010, no. 12 (2010): 11–13. http://dx.doi.org/10.1016/s1350-4789(10)70589-4.

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12

Meredith, David. "Music Analysis and Point-Set Compression." Journal of New Music Research 44, no. 3 (2015): 245–70. http://dx.doi.org/10.1080/09298215.2015.1045003.

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13

Bower, Mark V., and Frank E. Ledbetter. "Predicting compression set in elastomeric materials." Mechanics of Materials 11, no. 3 (1991): 177–97. http://dx.doi.org/10.1016/0167-6636(91)90001-g.

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14

Petrosino, Alfredo, and Alessio Ferone. "Rough fuzzy set-based image compression." Fuzzy Sets and Systems 160, no. 10 (2009): 1485–506. http://dx.doi.org/10.1016/j.fss.2008.11.011.

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15

Rehm, Torsten. "The compression set of plasticized PVC." Journal of Vinyl and Additive Technology 3, no. 4 (1997): 286–91. http://dx.doi.org/10.1002/vnl.10208.

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16

Li, Guang Ming, and Zhen Qi He. "Embedded Image Compression Algorithm and FPGA Implementation Based on BP Neural Networks." Applied Mechanics and Materials 65 (June 2011): 415–18. http://dx.doi.org/10.4028/www.scientific.net/amm.65.415.

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At present, because more embedded image compressions are single, various compression methods have not transplant to embedded equipment. In this paper, A BP neural network based image compression methods have been proposed. The neural network is trained more and more, and obtained a set of weights and thresholds usefully. Then, use the FPGA to achieve, In the FPGA, using the framework of soft-core Nios Ⅱ way. Ultimately, compression program written using Verilog and burned into the FPGA. Experiments show that the system has the advantages of high compression ratio, small size, and can stable op

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Hu, Jiwei, Yue Hong, Qiwen Jin, Guangpeng Zhao, and Hongyang Lu. "An Efficient Dual-Stage Compression Model for Maritime Safety Information Based on BeiDou Short-Message Communication." Journal of Marine Science and Engineering 11, no. 8 (2023): 1521. http://dx.doi.org/10.3390/jmse11081521.

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In the context of utilizing BeiDou short-message communication (SMC) for transmitting maritime safety information, challenges arise regarding information redundancy and limited message length. To address these issues, compressing the data content of SMC becomes essential. This paper proposes a dual-stage compression model based on Beidou SMC for compressing maritime safety information, aiming to achieve efficient compression and reduce information redundancy. In the first stage, a binary encoding method (MBE) specifically designed for maritime safety information is proposed to optimize the byt

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18

Wahab, A., and A. S. Farid. "Correlation between Compression-Set and Compression Stress-Relaxation of Epichlorohydrin Elastomers." Polymers and Polymer Composites 19, no. 8 (2011): 631–38. http://dx.doi.org/10.1177/096739111101900802.

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19

Yusha, V. L., and S. S. Busarov. "Method for calculating actual capacity of single-stage long-stroke reciprocating compressors." Omsk Scientific Bulletin. Series Aviation-Rocket and Power Engineering 4, no. 4 (2020): 9–15. http://dx.doi.org/10.25206/2588-0373-2020-4-4-9-15.

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The article presents a generalized method for calculating the actual performance of low-speed longstroke air compressor stages of compression, based on determining the flow rate as a set of coefficients reflecting the influence of various factors on productivity losses. The method takes into account the design and operating features of low-speed long-stroke air compressor stages of compression and differs significantly from a similar method used to calculate high-speed stages of reciprocating compressors

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20

Li, Jin, Fei Xing, and Zheng You. "Compression of Multispectral Images with Comparatively Few Bands Using Posttransform Tucker Decomposition." Mathematical Problems in Engineering 2014 (2014): 1–17. http://dx.doi.org/10.1155/2014/296474.

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Up to now, data compression for the multispectral charge-coupled device (CCD) images with comparatively few bands (MSCFBs) is done independently on each multispectral channel. This compression codec is called a “monospectral compressor.” The monospectral compressor does not have a removing spectral redundancy stage. To fill this gap, we propose an efficient compression approach for MSCFBs. In our approach, the one dimensional discrete cosine transform (1D-DCT) is performed on spectral dimension to exploit the spectral information, and the posttransform (PT) in 2D-DWT domain is performed on eac

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21

Li, Hong Qiao, Tong Hui Yue, and Zhi Hai Guo. "Experimental Study on Compressive Performance of Polyurethane Composite Panel." Advanced Materials Research 634-638 (January 2013): 2693–96. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.2693.

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Through compressive test on 18 polyurethane composite panels in 4 groups, observing their failure characteristics under compression, getting test result on compressive performance and load-deformation curve, analyzing failure reason, which will set the foundation for further experimental study and theoretical analysis.

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22

Qiao, Yiming, Yihan Gao, and Huanchen Zhang. "Blitzcrank: Fast Semantic Compression for In-Memory Online Transaction Processing." Proceedings of the VLDB Endowment 17, no. 10 (2024): 2528–40. http://dx.doi.org/10.14778/3675034.3675044.

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We present Blitzcrank, a high-speed semantic compressor designed for OLTP databases. Previous solutions are inadequate for compressing row-stores: they suffer from either low compression factor due to a coarse compression granularity or suboptimal performance due to the inefficiency in handling dynamic data sets. To solve these problems, we first propose novel semantic models that support fast inferences and dynamic value set for both discrete and continuous data types. We then introduce a new entropy encoding algorithm, called delayed coding, that achieves significant improvement in the decod

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23

Sudarsono, Anak Agung Putu Susastriawan, I Gusti Badrawada, Hary Wibowo, and Dwi Laras Indrajati. "The Effect of Compression Ratio on Performance of Generator Set Fuelled with Raw Biogas." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 89, no. 1 (2021): 185–95. http://dx.doi.org/10.37934/arfmts.89.1.185195.

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In order to utilize a raw biogas as a fuel of generator set (gen-set), it is important to figure out optimum operating parameter of the gen-set, i.e. compression ratio. The present work aims to investigate the effect of compression ratio on performance of 3 kW gen-set fuelled with raw biogas and to obtain optimum compression ratio for operation of the gen-set on raw biogas. The gen-set used in the present work is bi-fuel engine, i.e. fuelled with gasoline or LPG. The performance of the engine fuelled with raw biogas in terms of brake power, brake torque, brake specific fuel consumption, and th

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Lu, Yu, Mingxia Shen, Xiaodong Ding, Yiwu Quan, and Qingmin Chen. "Compression set property and stress-strain behavior during compression of polysulfide sealants." Journal of Applied Polymer Science 115, no. 3 (2009): 1718–23. http://dx.doi.org/10.1002/app.31198.

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25

Artieri, A., and O. Colavin. "A chip set core for image compression." IEEE Transactions on Consumer Electronics 36, no. 3 (1990): 395–402. http://dx.doi.org/10.1109/30.103150.

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26

Tolliver, Chris, and David Clark. "Identifying important variables in compression set testing." Sealing Technology 2014, no. 5 (2014): 7–11. http://dx.doi.org/10.1016/s1350-4789(14)70185-0.

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27

Shah, I. A., O. Akiwumi-Assani, and B. Johnson. "A chip set for lossless image compression." IEEE Journal of Solid-State Circuits 26, no. 3 (1991): 237–44. http://dx.doi.org/10.1109/4.75001.

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28

Ehabe, Ejolle E., and Saeed A. Farid. "Chemical kinetics of vulcanisation and compression set." European Polymer Journal 37, no. 2 (2001): 329–34. http://dx.doi.org/10.1016/s0014-3057(00)00112-9.

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29

Tate, Philip C. Miller, Sina Talal, Christopher J. Page, and R. Keith Scarrow. "Accelerated Compression Set at Elevated Temperature in Rigid Polymer Foams." Cellular Polymers 19, no. 5 (2000): 309–18. https://doi.org/10.1177/026248930001900501.

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We have extended our study of the recovery behaviour of rigid polymer foams following long periods of compression(1-2) to include samples constrained at elevated temperatures. Samples of polyurethane, polyethylene and polyimide, representing highly crosslinked, lightly crosslinked, and uncrosslinked foams respectively, were maintained under a range of compressive strains for periods ranging from three days to one month, and their dimensional recovery followed at ambient temperature after release. All materials were of approximately 100 kg nr3 density. The different materials showed markedly di

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Wang, Junfeng, Kai Yang, Wanzhao Li, Xinzhou Wang, Jan Van den Bulcke, and Joris Van Acker. "The Impact of Earlywood and Latewood on the Compressive Stress of Thermally Modified Douglas Fir." Forests 14, no. 7 (2023): 1376. http://dx.doi.org/10.3390/f14071376.

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Thermal modification can increase the physical stability and impact the mechanical strength of wood. It is necessary to understand the effects of modifications on the compressive stress of wood. In this study, Douglas fir (Pseudotsuga menziessi) blocks were modified at 180 °C (TM-180 °C) and 210 °C (TM-210 °C). The compressive stress of pure earlywood (EW), pure latewood (LW), and combined earlywood and latewood (ELW) specimens was measured. The specimens were compressed at 30% of their original thickness, and during the compression test the strain distribution of the ELW was recorded. In addi

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Surya, Indra, Siti Nurul Izzati Kudori, and Hanafi Ismail. "Effect of partial replacement of kenaf by empty fruit bunch (EFB) on the properties of natural rubber latex foam (NRLF)." BioResources 14, no. 4 (2019): 9375–91. http://dx.doi.org/10.15376/biores.14.4.9375-9391.

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Kenaf was replaced by various amounts of empty fruit bunch (EFB) in natural rubber latex foam (NRLF). Five different compositions of kenaf/EFB (7/0, 5/2, 3.5/3.5, 2/5, 0/7 phr) were prepared by using the Dunlop method. The comparison of tensile properties, morphology, foam density, compressive strength, hardness, swelling, compression set, and accelerated aging of natural rubber latex foam (NRLF) were studied. The tensile strength, modulus at 100% (M100), foam density, compressive strength, hardness, and compression set decreased with increasing EFB loading. However, the elongation at break an

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32

Chen, Yu-Hui, Shang-Tse Ho, and Han-Chien Lin. "Evaluation of Physico-Mechanical Properties and Thermal Conduction to Energy-Saving Effects of Wood Compression Layered Structural Materials." Polymers 15, no. 15 (2023): 3208. http://dx.doi.org/10.3390/polym15153208.

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In this study, specimens were prepared from Japanese cedar (Cryptomeria japonica) with different thicknesses to determine the best hot-pressing conditions for wood compression layered structural materials (WCLS) through densification at various temperatures and compressing time conditions. However, residual stress-releasing after densification recovery can cause dimensional instability. To address this issue, the drying set method was combined with the compression-set recovery test to determine the best setting time. As a result, the bending strength and modulus of rupture (MOR) of WCLS increa

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Khanikar, Reshu G., Daisy Gogoi, and Rakhee Baruah. "Optimizing Resuscitation: Exploring the Impact of 120 Compressions per Minute in Chest Compression Techniques – A Review Article." Journal of Resuscitation 2, no. 1 (2025): 10–13. https://doi.org/10.4103/ircf.ircf_5_23.

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Abstract This review article critically examines the impact of a chest compression rate set at 120 per minute in the context of cardiopulmonary resuscitation (CPR). Through a comprehensive analysis of existing literature and clinical studies, we explore the rationale, outcomes, and potential implications of adhering to this specific compression rate. Our abstract aims to provide a concise overview of the key findings, contributing to a deeper understanding of how maintaining 120 compressions per minute influences the effectiveness of CPR protocols and, ultimately, patient outcomes.

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Liu, Bo, Qilin Wu, Yiwen Zhang, and Qian Cao. "Exploiting the Relationship between Pruning Ratio and Compression Effect for Neural Network Model Based on TensorFlow." Security and Communication Networks 2020 (April 30, 2020): 1–8. http://dx.doi.org/10.1155/2020/5218612.

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Pruning is a method of compressing the size of a neural network model, which affects the accuracy and computing time when the model makes a prediction. In this paper, the hypothesis that the pruning proportion is positively correlated with the compression scale of the model but not with the prediction accuracy and calculation time is put forward. For testing the hypothesis, a group of experiments are designed, and MNIST is used as the data set to train a neural network model based on TensorFlow. Based on this model, pruning experiments are carried out to investigate the relationship between pr

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MR., HIMANSHU PRASAD KULKARNI. "ESTABLISHMENT OF AGE VS STRENGTH CURVE FOR SET OF MATERIALS." IJIERT - International Journal of Innovations in Engineering Research and Technology 4, no. 3 (2017): 54–60. https://doi.org/10.5281/zenodo.1461239.

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<strong><strong> </strong>This study was directed toward performance of concrete under varying water to cementitious materials ratio. The influence of constituent materials and various mix proportions on compressive strength of concrete was studied experimentally and reported. At each water/cement ratio varied from .25 to .55 at constant increment of 0.05. For all the concrete mixes,the compressive strength of concrete was determined at ages of 1,3,7,28,90 and 180 days. The experiment was carried out at the same ambient temperature and the compressive strengths of concrete mixes were foun

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36

Geiselman, Eric E., and Robert K. Osgood. "Toward an Empirically Based Helmet-Mounted Display Symbology Set." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 37, no. 1 (1993): 93–97. http://dx.doi.org/10.1177/154193129303700123.

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The helmet-mounted display (HMD) affords continuous availability of critical flight information independent of head orientation. With appropriate information presented on a HMD, aircraft control can be maintained regardless of where the pilot is looking. This research addresses the development of an empirically based HMD symbol set. Three attitude formats and three altitude formats were evaluated within a composite fixed-wing HMD symbology layout. The attitude formats varied in basic form and symbol compression ratio. Symbol compression ratio is the ratio of the angle represented by the symbol

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Liu, Jie, Deng Jun Yi, Jian Cai, Shi Wei Luo, and Lei Xiao. "Under Uniaxial Compression of Rock Specimens of Two Cracking of Shear Failure Mode Analysis." Advanced Materials Research 415-417 (December 2011): 1553–57. http://dx.doi.org/10.4028/www.scientific.net/amr.415-417.1553.

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The dissertation introduced first simple uniaxial compression test of concrete, and in the specimen under uniaxial compression of the breakage mode reinforced and improved. For tensile destruction and shear failure damage model, bring forward the corresponding calculation model and some model set up compressive strength and tensile strength of the interrelations with each other, analysis of compressive strength and much higher than the tensile strength.In addition, from different model, drew diagrams with Matlab software，analysis of the compressive strength and tensile strength of the intrinsi

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Mandeep, Kaur*1 Anupama Gupta2 &. Baldip Kaur3. "INTEGRATING EMBEDDED ZEROTREE AND SET PARTITIONING IN HIERARCHICAL TREES FOR WAVELET BASED IMAGE COMPRESSION." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 7, no. 3 (2018): 804–12. https://doi.org/10.5281/zenodo.1207808.

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The need of era in image compression is to minimize the number of bits needed to represent the image for ease of storage and transmission. The image compression algorithm includes iterative phases of quantization, coding and decoding the transform processing. Several methods have been proposed in the past for performing image compression. The basic idea of any compression method is to compress and decompress a grayscale and/or true-color image using some thresholding and encoding technique. The existing work in this paper is based on the use of various types of compression methods like EZW, SP

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Sitohang, Norenta. "Penerapan Metode Five Modulus Dalam Mengkompresi File Dokumen (PDF) Pengembangan Bahan Ajar." Jurnal Sains Informatika Terapan 2, no. 1 (2023): 1–5. http://dx.doi.org/10.62357/jsit.v2i1.110.

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PDF files are one of the document files that are classified as having sufficient size larger than other document files. Currently, the use of applications as information is increasing commonly used. But there is a problem that is often encountered, namely the need for a safe place great for storage. Therefore, compression is needed to reduce the size of the application data. Data compression is a process of converting a set of data into a form of code to reduce the need for data storage space. The Five Modulus method is wrong a data compression algorithm. To find out the results of the compres

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40

Perepelitsyn, Artem, Alona Chepelevych та Andrii Litvinov. "Аналіз форматів архівів та їх програмної реалізації для стиснення текстових файлів". Aerospace Technic and Technology, № 6 (21 листопада 2024): 103–11. https://doi.org/10.32620/aktt.2024.6.10.

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The subject of study in this article and research is widely used archive formats for file compression, features of their implementation, text compression rates, and the time required for existing programs for different platforms. The goal of the work is to simplify the process of choosing an archive format and program solutions for working with it for compressing text files, with taking into account time requirements, compression ratio, and opensource. The task is to perform an analysis of existing technologies and tools involved in the data archiving process, to analyze archive formats that a

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Foks, Nathan Leon, Richard Krahenbuhl, and Yaoguo Li. "Adaptive sampling of potential-field data: A direct approach to compressive inversion." GEOPHYSICS 79, no. 1 (2014): IM1—IM9. http://dx.doi.org/10.1190/geo2013-0087.1.

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Compressive inversion uses computational algorithms that decrease the time and storage needs of a traditional inverse problem. Most compression approaches focus on the model domain, and very few, other than traditional downsampling focus on the data domain for potential-field applications. To further the compression in the data domain, a direct and practical approach to the adaptive downsampling of potential-field data for large inversion problems has been developed. The approach is formulated to significantly reduce the quantity of data in relatively smooth or quiet regions of the data set, w

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Millar, Dean L. "On the Determination of Efficiency of a Gas Compressor." Energies 17, no. 13 (2024): 3260. http://dx.doi.org/10.3390/en17133260.

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For a gas undergoing a compression process, it is more appropriate to think of either isentropic or polytropic efficiency as process-defining parameters indicating that a given end state of compression has been achieved, rather than a measure of effectiveness of conversion of one form of energy into another. The polytropic efficiency, as defined in ASME PTC-10 standard for compressor field trials and acceptance tests, actually involves the comparison of two distinct compression processes, neither of which are actually connected to the performance of the compressors producing them. Consequently

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Megawati Siburian, Rita, Mesran, and Henry K Siburian. "Perancangan Aplikasi Kompresi File Video Menggunakan Algritma SPIHT (Set Partioning In Hirarcical Tress)." Bulletin of Computer Science Research 3, no. 2 (2023): 177–82. http://dx.doi.org/10.47065/bulletincsr.v3i2.158.

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Video files have a large enough capacity, and to access them takes a long time, so a data compression technique is needed. In this case the video file will be compressed using the SPIHT (Set Partitioning In Hierarchical Trees) algorithm, SPIHT (Set Partitioning In Hierarchical Trees) is a video file compression capable of achieving a high compression ratio. Problems that arise due to the large file size include the wasteful storage media used, as well as more time in terms of data exchange, data transfer over the internet is a big problem in Indonesia because of the very low download and uploa

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Šmída, Zdeněk, Kamil Kolarčík, and Stanislav Honus. "Ideal mathematical model of shock compression and shock expansion." Open Engineering 9, no. 1 (2019): 683–96. http://dx.doi.org/10.1515/eng-2019-0079.

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AbstractShock compression and expansion are phenomena which occur mainly in screw or vane compressors. They occur when there is an imbalance in the built-in and total pressure ratio. These are phenomena that have a negative impact on the operation of these machines and, in general, cause instability in operation, an increase in energy consumption and an overall worsening of the operational economy. The aim of this article is to present newly discovered information regarding making work processes of said compressors more effective, as in many cases, shock phenomena are subconsciously underestim

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Sombatsompop*, N., B. Saengjun, N. Tareelap, and T. Sudaprasert. "Dynamic Fatigue Properties of Closed-Cell non-Crosslinked PE Foams." Cellular Polymers 18, no. 3 (1999): 197–216. https://doi.org/10.1177/026248939901800303.

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The dynamic fatigue properties of commercial closed-cell/non-crosslinked polyethylene (PE) foams were investigated for applications of structural loading and packaging design. The compressive properties were studied in terms of maximum dynamic fatigue stress set at various void sizes, maximum test amplitudes and test speeds, the results being compared with those obtained under static compression conditions. Local temperature rise under cyclic loading and dynamic compression set were also investigated. All the experimental results were obtained using a universal tensile testing machine and the

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Sha, Lina, Wei Wu, and Bingbing Li. "Image set compression for similar images with priorities." Electronics Letters 55, no. 5 (2019): 262–64. http://dx.doi.org/10.1049/el.2018.7342.

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Sonnenschein, Mark F., Robbyn Prange, and Alan K. Schrock. "Mechanism for compression set of TDI polyurethane foams." Polymer 48, no. 2 (2007): 616–23. http://dx.doi.org/10.1016/j.polymer.2006.11.021.

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Ying Wang. "A set of transformations for lossless image compression." IEEE Transactions on Image Processing 4, no. 5 (1995): 677–79. http://dx.doi.org/10.1109/83.382501.

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Habeeb, Shahany, and Syam Gopi. "Identifying Data Set Texture using Normalized Compression Distance." International Journal of Engineering Trends and Technology 29, no. 3 (2015): 117–22. http://dx.doi.org/10.14445/22315381/ijett-v29p223.

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YAMAMOTO, Noriaki, Keiichi AKIMOTO, Yukio KOBAYASHI, Taizo SAKO, and Yoshitomo YAMAMOTO. "The study of polychloroprene comoounds improved compression set." NIPPON GOMU KYOKAISHI 64, no. 1 (1991): 48–54. http://dx.doi.org/10.2324/gomu.64.48.

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