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Relevant bibliographies by topics / Porous bone

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Academic literature on the topic 'Porous bone'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Porous bone"

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Kayacan, Mehmet C., Yakup B. Baykal, Tamer Karaaslan, et al. "Monitoring the osseointegration process in porous Ti6Al4V implants produced by additive manufacturing: an experimental study in sheep." Journal of Applied Biomaterials & Functional Materials 16, no. 2 (2017): 68–75. http://dx.doi.org/10.5301/jabfm.5000385.

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Background: This study investigated the design and osseointegration process of transitive porous implants that can be used in humans and all trabecular and compact bone structure animals. The aim was to find a way of forming a strong and durable tissue bond on the bone–implant interface. Methods: Massive and transitive porous implants were produced on a direct metal laser sintering machine, surgically implanted into the skulls of sheep and kept in place for 12 weeks. At the end of the 12-week period, the Massive and porous implants removed from the sheep were investigated by scanning electron

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Karlsson, Kaj H., Heimo Ylänen, and Hannu Aro. "Porous bone implants." Ceramics International 26, no. 8 (2000): 897–900. http://dx.doi.org/10.1016/s0272-8842(00)00033-x.

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Silva de Medeiros, Waléria, Marize Varella de Oliveira, and José Mauro Granjeiro. "Evaluation of Biomimetic Solution for Coating Powder Metallurgy Porous Titanium Samples." Materials Science Forum 591-593 (August 2008): 703–7. http://dx.doi.org/10.4028/www.scientific.net/msf.591-593.703.

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In order to improve implant-bone attachment, porous titanium has been used to achieve the ingrowth of bone tissue within the porous structure. Although this biomaterial has shown efficient bone adhesion for orthopedic and dental implants, the ideal surface must have chemical bonds at the implant-bone interface. In this work, samples of pure porous titanium were produced by powder metallurgy technique and submitted to biomimetic process in order to evaluate the material’s bioactivity and to enhance its osteoconductivity. The samples were immersed in modified simulated body fluid (mSBF) which in

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Miao, X. "Modification of Porous Alumina Ceramics with Bioinert and Bioactive Glass Coatings." Advanced Materials Research 32 (February 2008): 211–14. http://dx.doi.org/10.4028/www.scientific.net/amr.32.211.

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Porous biomaterials including porous bioceramics play important roles for hard tissue replacement and regeneration. I this paper, porous alumina (with and without zirconia addition) ceramics were produced via coating polyurethane (PU) foams with Al2O3 (ZrO2) slurries, followed by drying at room temperature and sintering at 1300 oC. The advantage of the PU foam method was the achieved high pore interconnectivity, but the mechanical properties of the porous ceramics were rather poor due to the high macroporosity and the high microporosity. To remove the microporosity and strengthen the porous al

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Nguyen Xuan Thanh, Tram, Michito Maruta, Kanji Tsuru, Shigeki Matsuya, and Kunio Ishikawa. "Three-Dimensional Porous Carbonate Apatite with Sufficient Mechanical Strength as a Bone Substitute Material." Advanced Materials Research 891-892 (March 2014): 1559–64. http://dx.doi.org/10.4028/www.scientific.net/amr.891-892.1559.

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In this study, three - dimensional porous carbonate apatite (CO3Ap) materials with the chemical compositions and structures similar to cancellous bone were produced via phosphorization of porous calcite precursor in hydrothermal condition. In order to make porous calcite precursor, negative replication of polyurethane foam that named as inverse ceramic foam method was conducted. When the polyurethane template occupied within the ceramic solid walls disappeared due to burning at high temperature, interconnected hollow pathways were produced. Polyurethane foam was used as a porogen - template fi

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Dawson, Eileen, Richard Suzuki, Melissa Samano, and Matthew Murphy. "Increased Internal Porosity and Surface Area of Hydroxyapatite Accelerates Healing and Compensates for Low Bone Marrow Mesenchymal Stem Cell Concentrations in Critically-Sized Bone Defects." Applied Sciences 8, no. 8 (2018): 1366. http://dx.doi.org/10.3390/app8081366.

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For clinical treatment of skeletal defects, osteoinductive scaffolds must have the ability to conform to the unique geometry of the injury site without sacrificing biologically favorable properties, including porosity. This investigation seeks to combine the osteoinductive properties of porous hydroxyapatite (HA) scaffolds with the beneficial handling characteristics of granules or putties, while evaluating the effects of mesenchymal stem cell (MSC) concentration on the composite grafts’ ability to regenerate bone in vivo. The results demonstrate that porous HA granules regenerate significantl

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Goia, Tamiye Simone, Kalan Bastos Violin, Carola Gomez Ágreda, José Carlos Bressiani, and Ana Helena de Almeida Bressiani. "Bone Tissue Response in a Metallic Bone Architecture Microstructure." Journal of Biomimetics, Biomaterials and Biomedical Engineering 20 (June 2014): 73–85. http://dx.doi.org/10.4028/www.scientific.net/jbbbe.20.73.

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Porous metallic structures have been developed to mimic the natural bone architecture, having interconnected porosity, disposing enough room to cell migration, anchoring, vascularization, nourishing and proliferation of new bone tissue. Research involving porous titanium has been done with purpose to achieve desirable porosity and increasing of bone-implant bond strength interface. Samples of titanium were prepared by powder metallurgy (PM) with addition of different natural polymers (cornstarch, rice starch, potato starch and gelatin) at proportion of 16wt%. In aqueous solution the hydrogenat

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Zhao, Li Sheng, Zheng Wang, Ke Ya Mao та ін. "Preparation and Properties of Porous β–Tricalcium Phosphate Bone Graft". Advanced Materials Research 624 (грудень 2012): 226–30. http://dx.doi.org/10.4028/www.scientific.net/amr.624.226.

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The need for bone repair has increased as the population ages. However, currently, the bone grafts still have some disadvantages, such as low compressive strength and porosity, which limit their use. In order to solve these disadvantages, in this study, the porous beta-tricalcium phosphate (β-TCP) anorganic bone graft were prepared from healthy bovine cancellous bone by cell-free, defat and twice calcinations. X-ray diffraction (XRD) was used to investigate the chemical composition of the bone graft. And the morphology, porosity and mechanical strength of the bone graft were also evaluated. Th

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Wang, Yanying, Xiaodi Sun, Qingfu Wang, et al. "In vitro and in vivo evaluation of porous chitosan electret membrane for bone regeneration." Journal of Bioactive and Compatible Polymers 33, no. 4 (2018): 426–38. http://dx.doi.org/10.1177/0883911518774814.

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A porous chitosan electret membrane, possessing a three-dimensional porous structure and surface charges, was developed using thermally induced phase separation method and grid-controlled corona charging. Results showed that surface charge release of porous electret membrane could be altered by varying charging voltage. Rat osteoblasts adhered well, and cell proliferation and differentiation were enhanced by porous electret membrane compared to porous uncharged membrane. Furthermore, rabbit calvarial defects model demonstrated that porous electret membrane promoted bone regeneration more signi

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Hasegawa, Shin, Jiro Tamura, Masashi Neo, et al. "In Vivo Evaluation of Porous Hydroxyapatite/Poly D/L-Lactide Composite for Bone Substitute and Scaffold." Key Engineering Materials 284-286 (April 2005): 769–74. http://dx.doi.org/10.4028/www.scientific.net/kem.284-286.769.

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We investigated the biocompatibility, osteoconductivity, and biodegradability of porous composite of Hydroxyapatite (HA) and Poly D/L-lactide (PDLLA). At 6weeks afterimplantation to rabbit femoral condyle, HA/PDLLA was covered with bone and contacted with bone directly. The amounts of newly formed bone in the pores had increased during the examined period. By 26weeks, bone remodeling of formed bone in the pores was seen and bone marrow tissue formation was seen in the pores of HA/PDLLA. Porous HA/PDLLA was resorbed much faster than porous HA as a control. Porous HA/PDLLA was resorbed constantl

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Dissertations / Theses on the topic "Porous bone"

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Sridharan, Srinivasan. "Porous plastic implants for bone ingrowth." Thesis, Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/10101.

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Arumugam, M. Q. "Porous scaffolds for bone tissue engineering." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.596173.

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The aim of this thesis is to investigate the behaviour of cells in porous scaffolds. Three types of porous scaffold were investigated; porous phase-pure hydroxyapatite, porous silicon-substituted hydroxyapatite and a novel mineralised (brushite) collagen-glycosaminoglycan (GAG) scaffold. Methods were derived to optimise the seeding of cells within these scaffolds and the differentiation of bone and marrow-derived cells in short-term culture was investigated using molecular biology and ELISA techniques. Novel techniques were developed to assess the response of cells within the centre of the sca

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Hing, Karin Angela. "Assessment of porous hydroxyapatite for bone replacement." Thesis, Queen Mary, University of London, 1996. http://qmro.qmul.ac.uk/xmlui/handle/123456789/25123.

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Hydroxyapatite (HA) is a highly biocompatible calcium phosphate which closely resembles the mineral component of bone. Porous structures composed of biocompatible materials are believed to enhance fixation (and integration) as they encourage the ingrowth of bone into the implant. Consequently there is great interest in the potential of porous HA as an alternative to bone homo grafts and auto grafts. However, despite the interest in the field, there has been no thorough investigation into the physical and structural properties of porous HA and their effects on bone ingrowth. The material used i

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Midha, Swati. "Osteogenesis in porous biomaterials for bone regeneration." Thesis, Ulster University, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.674920.

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Chang, Hsuan-chen. "Porous bioceramic and biomaterial for bone implants /." Digital version accessible at:, 2000. http://wwwlib.umi.com/cr/utexas/main.

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Karlsson, Marjam. "Nano-porous Alumina, a Potential Bone Implant Coating." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4452.

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Ramay, Hassna Rehman. "Development of porous scaffolds for bone tissue engineering /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/10588.

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Nguyen, Hung Quoc. "Osteoconduction of calcium phosphate thin film on porous-surfaced implants in rabbit tibiae." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0022/MQ34047.pdf.

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Mathieu, Laurence. "Processing of porous polymer composites for bone tissue engineering /." Lausanne, 2004. http://library.epfl.ch/theses/?nr=3121.

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Thèse sciences techniques, EPF Lausanne, no 3121 (2004), Faculté Sciences et techniques de l'ingénieur STI, Section des matériaux (Institut des matériaux). Directeur: J.-A.E. Månson ; rapporteurs: M. Bohner ... et al.

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Kim, Taek Bo. "Quantification of porous implants and bone ingrowth using μCT". Thesis, Imperial College London, 2014. http://hdl.handle.net/10044/1/42221.

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Two of the key challenges in determining the relative merits of porous implants are the objective quantification of their open pore networks and bone growth into the pores. The gold-standard currently employed to quantify bone ingrowth is histomorphometry which can identify different cell types and provide information on bone quality, but it is a 2D measure that samples a very small region. With recent advances in X-ray micro-computed tomography technology (μCT) improving resolution and image quality, μCT offers researchers a new perspective on evaluating bone ingrowth into implants. μCT allow

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Books on the topic "Porous bone"

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Kay, Andrew B. Vertical bone growth around porous-surfaced bone-interfacing implants. 2002.

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Simon, Ziv. Heterotopic bone formation around porous-surfaced bone-interfacing implants implanted into murine muscle pouch. 2003.

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Beaudoin, Mathieu. Assessment of porous calcium polyphosphate block implants in a murine model of heterotopic bone formation. 2004.

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MacDonald, Kevin G. An assessment of interproximal crestal bone topography and gingival papilla morphology adjacent to sintered porous-surfaced dental implants. 2006.

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Oyonarte, Rodrigo. Peri-implant bone response to continuous horizontal loading: A comparison between porous-surfaced and threaded osseointegrated implants used as orthodontic anchorage units. 2002.

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Burmer, Karl. CBD Oil for Osteoporosis: Your Guide to Treatment of Porous Bones Using CBD Oil. Independently Published, 2019.

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Muller, Hannah Weiss. Subjects and Sovereign. Oxford University Press, 2017. http://dx.doi.org/10.1093/acprof:oso/9780190465810.001.0001.

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In the aftermath of the Seven Years’ War, when a variety of conquered and ceded territories became part of an expanding British Empire, crucial struggles emerged about what it meant to be a “British subject.” In Grenada, Quebec, Minorca, Gibraltar, and Bengal, individuals debated the meanings and rights of subjecthood, with many capitalizing on legal ambiguities and local exigencies to secure access to political and economic benefits. In the hands of inhabitants and colonial administrators, subjecthood became a shared language, practice, and opportunity as individuals proclaimed their allegian

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Zumerchik, John, and Steven L. Danver, eds. Seas and Waterways of the World. ABC-CLIO, LLC, 2009. http://dx.doi.org/10.5040/9798216012184.

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This is the first comprehensive encyclopedia on the history of the vast and varied ways human beings have used the world's waterways for business, protection, and recreation. Seas and Waterways of the World: An Encyclopedia of History, Uses, and Issuesoffers a comprehensive introduction to humanity's historical reliance on the world's seas and waterways and how that reliance continues to evolve. Over the course of two volumes, this extraordinary resource describes the world's major nautical features, the wide variety of uses for those waterways, and a number of essential issues arising from wa

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Truxes, Thomas M. The Overseas Trade of British America. Yale University Press, 2021. http://dx.doi.org/10.12987/yale/9780300159882.001.0001.

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The Overseas Trade of British America: A Narrative History is a comprehensive account of the emergence of the United States from the perspective of trade. The author traces the roots of the American commercial economy from mid-sixteenth-century Tudor England through the early years of the American republic at the dawn of the nineteenth century. The trade of colonial America is notable for the access it offered a wide range of participants. Open access (real or illusory) remains a dominant theme of the American economy to the present day. Colonial trade is notable as well for its readiness to e

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Peña, Aris Verdecia. Tópicos nas Ciências da Saúde Volume III. Pantanal Editora, 2020. http://dx.doi.org/10.46420/9786588319253.

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A Editora Pantanal em seu 3º Volume do E-book “Tópicos nas ciências da saúde”, com seis capítulos traz novos temas no atuar da medicina. A obra, vem a materializar o anseio da Editora Pantanal na divulgação de resultados, que contribuem de modo direto no desenvolvimento e saúde humana. No primeiro capitulo o trabalho nos apresenta uma patologia que, embora muitos pensem que não é comum, tem grande impacto em nossa população mundial. A frequência desta patologia na década de 80 - 90 foi de 2 - 4 x 10.000 habitantes, porém com estudos atuais e levando em consideração não apenas o transtorno auti

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Book chapters on the topic "Porous bone"

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Campion, Charlie, and Karin A. Hing. "Porous Bone Graft Substitutes." In Mechanobiology. John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781118966174.ch21.

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Poitout, Dominique G. "Reconstruction with Bone Graft and Porous Titanium." In Bone Tumors. Springer London, 2021. http://dx.doi.org/10.1007/978-1-4471-7501-8_39.

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Zheng, Wenjun, Qilin Wei, Xiaojie Xun, and Ming Su. "3D Printed Porous Bone Constructs." In Orthopedic Biomaterials. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-89542-0_3.

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Medellin-Castillo, Nahum Andres, Miguel Mauricio Aguilera-Flores, and Bridinette Thiodjio Sendja. "Removal of Pollutants from Water by Adsorbents Prepared from Animal Bone Wastes." In Porous Materials. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65991-2_11.

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De Aza, P. N., F. Guitian, and S. De Aza. "Eutectic Structures That Mimic Porous Human Bone." In Ceramic Microstructures. Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5393-9_78.

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Khoshakhlagh, P., F. Moztarzadeh, S. M. Rabiee, et al. "Bioglass/Chitosan Composite as a New Bone Substitute." In Advances in Bioceramics and Porous Ceramics III. John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470944028.ch4.

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Yoon, Young June. "Why Does Bone Respond to High-Frequency Stimuli?" In Progress and Challenge of Porous Media: Proceedings of the 16th Annual Meeting Conference on Porous Media. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-2983-1_32.

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Ayers, Reed A., Ted A. Bateman, and Steven J. Simske. "Porous NiTi as a Material for Bone Engineering." In Shape Memory Implants. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59768-8_6.

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Yang, Judy P., Sheng-Wei Chi, and Jiun-Shyan Chen. "Image-Based Multiscale Modeling of Porous Bone Materials." In Multiscale Simulations and Mechanics of Biological Materials. John Wiley & Sons Ltd, 2013. http://dx.doi.org/10.1002/9781118402955.ch20.

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Landi, Elena, Selanna Martorana, Anna Tampieri, Stefano Guicciardi, and Cesare Melandri. "Carbonated-Apatite/Gelatine Porous Scaffolds for Bone Replacement." In Bioceramics 20. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-457-x.547.

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Conference papers on the topic "Porous bone"

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Rahmanian, Rasool, Mohsen Taheri Andani, Jason Walker, et al. "Modeling and Validation of Additively Manufactured Porous Nitinol Implants." In ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/smasis2014-7653.

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Bone implants are long term solutions for bone loss. Currently, two issues have been identified as reducing the long term stability of bone implants. The first issue is stiffness mismatch between the implant and the surrounding bony structure. The current materials used for manufacturing bone implants are much stiffer than the surrounding host bone. The second issue concerns bone-implant integration; the fact is that the bone needs an appropriate surface on which to attach and accept or deliver a load. Additive manufacturing techniques using Nitinol may provide the ability to fabricate bone im

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Rabiee, Sayed Mahmood. "Porous tricalcium phosphate scaffold for bone substitute." In 2011 1st Middle East Conference on Biomedical Engineering (MECBME). IEEE, 2011. http://dx.doi.org/10.1109/mecbme.2011.5752066.

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Mehta, Bhavin V., and Robert J. Setlock. "Improved Prosthetic Bone Implants." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43048.

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An improved method for manufacturing prosthetic bones is examined. We are developing a new improved method for designing and manufacturing prosthetic bones that have a porous interior core covered by a solid outer shell, more closely matching the morphology of natural bone. The new method is compatible with a wide variety of materials, including polymers, metals, composites, and biodegradable scaffold materials. Use of biodegradable scaffold material holds the potential for eventual bone regeneration within and throughout the prosthesis. Regardless of the material selection, this improved type

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Soleimani, Kasra, Ahmad Ghasemloonia, and Les Jozef Sudak. "Fluid Movement in Porous Bone via Blood Pressure: A Porous Media Theory." In The 9th World Congress on Electrical Engineering and Computer Systems and Science. Avestia Publishing, 2023. http://dx.doi.org/10.11159/cist23.112.

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Murakami, Tamotsu, and Yuki Hamasaki. "Basic Study of Autologous-Bone-Replaceable Artificial Bone Fabrication With Porosity Distribution Using Electrolysis." In ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/detc2010-28645.

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Recently, the use of bioresorbable materials (e.g., β-tricalcium phosphate (β-TCP)) has enabled the development of autologous-bone-replaceable artificial bones that are degraded and resorbed, i.e., replaced with autologous bone, when placed inside the human body for a sufficiently long duration. Although such autologous-bone replaceability requires high porosity of the artificial bone to promote the ingression of blood vessels and cells, the high porosity reduces the mechanical strength, which leads to disadvantages such as possible fracture after bone substitution surgery. One solution to thi

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Dammak, M., A. Shirazi-Adl, M. Schwartz, and L. Gustavson. "Measurement of Friction Properties at the Bone-Metal Interface for Various Porous Metal Surfaces." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-1296.

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Abstract In joint arthroplasty, adequate initial and long-term fixation of implant components to host bone represents a great challenge as a stable fixation is a prerequisite to its satisfactory performance. In a cementless implant, bone-prosthesis interface friction plays an important role in the transfer of shear stresses and, hence, in the fixation stability of the system, particularly in the immediate post-operative period when no bony ingrowth has yet occurred. The friction properties at the interface between tibial cancellous bone and a number of metal plates (ie, a beaded porous surface

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Ivan, Florina D., Ioana G. Avirvarei, Ioana G. Vasilas, et al. "Porous magnetic scaffolds for bone tissue engineering and regeneration." In 2017 E-Health and Bioengineering Conference (EHB). IEEE, 2017. http://dx.doi.org/10.1109/ehb.2017.7995523.

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Zhao, Wei, Liwu Liu, Jinsong Leng, and Yanju Liu. "Porous bone tissue scaffold based on shape memory polymer." In Smart Structures and NDE for Energy Systems and Industry 4.0, edited by Christopher Niezrecki, Norbert G. Meyendorf, and Kerrie Gath. SPIE, 2019. http://dx.doi.org/10.1117/12.2514545.

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Hashemi, A., A. Shirazi-Adl, and M. Dammak. "On the Nonlinear Bi-Directional Friction Properties of the Bone-Implant Interface." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-1254.

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Abstract In cementless implants, the friction at the bone-implant interface plays an important role in the mechanical response of the system, particularly in the immediate post operative period when no bony ingrowth has yet occurred. Uni-directional friction properties at the interface between various porous- and smooth-surfaced metals and tibial cancellous bone have previously been measured [1,2]. In contrast to the idealized Coulomb’s friction law, nonlinear tangential load-displacement relations were found at the interface. These studies [1,2], however, treated the friction at the bone-impl

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Shultz, Travis R., Timothy L. Norman, Thomas A. Gruen, and J. David Blaha. "The Effects of Cortical Bone Viscoelasticity on the Short-Term Fixation of Press-Fit Cylindrical Intramedullary Rods." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32505.

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Cementless femoral implants have demonstrated widespread clinical success, particularly in the patient populations for which various cemented techniques have been troublesome [1–4]. Long-term fixation and consequent clinical stability occurs primarily via bony ingrowth into a porous-coated implant surface. The adequacy of this biologic fixation depends in part upon the initial or short-term fixation of the implant with respect to the adjacent bone [5,6]. Short-term fixation refers to the post-operative limitation of relative motion between the porous-coated implant surface and the adjacent bon

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Reports on the topic "Porous bone"

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Jinawath, Supatra. Fabrication of porous calcium phosphates. Chulalongkorn University, 2002. https://doi.org/10.58837/chula.res.2002.29.

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The starting materials for this experiment were monocalcium phosphate monohydrate, dicalcium phosphate dihydrate and anhydrous dicalcium phosphate synthesized in-house from the by-product of a local bone-gelatin manufacture. Porous calcium phosphates comprising hydroxyapatite either as a single phase or a composite containing traces of its congeners. i.e., β-TCP were fabricated in the forms of granules and compacts. The characteristics of typical compacts produced were 37 v % apparent porosity with interconnected pores of diameter 1-30 µm, and flexural and compressive strengths of 17.51 and 78

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Jinawath, Supatra, Dujreutai Pongkao Kachima, and Pornapa Sujaridworakun. Preparation of bioceramic specimens for medical application : report on. Chulalongkorn University, 2006. https://doi.org/10.58837/chula.res.2006.37.

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HA (hydroxyapatite, Ca [subscript 10](PO[subscript 4])[subscript 6](OH)[subscript 2], Ca/P = 1.67) and composite TCP/HA (Tricalcium phosphate, Ca [subscript 3] (PO [subscript 4]) [subscript 2], Ca/P = 1.5) were synthesized in our laboratory from bovine bone ash or the waste from the manufacture of products derived from it and fabricated into porous bar and disc shaped specimens (30-34 v% porosity, flexural strength of 17 MPa, pore diameters <5-30 [mu]) for in vivo histological study and clinical trial, repectively. The histological results of the 3- and 6-month in vivo tests in canines were

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Olsen. L51955 Improved Cyclic Pressure-Based PEMS Model. Pipeline Research Council International, Inc. (PRCI), 2002. http://dx.doi.org/10.55274/r0011269.

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Abstract:

Fast NO measurements were acquired from the exhaust ports of a large bore natural gas 2-stroke cycle engine. A comprehensive set of steady state data was also taken. An engine scavenging model was used to correlate the cycle resolved fast NO measurements with the steady state NO measurements. In-cylinder pressure measurements made with piezoelectric transducers were compared with the fast NO measurements.

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