Academic literature on the topic 'Cutler, Amy'

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Journal articles on the topic "Cutler, Amy"

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Dening, Tom. "Alzheimer's Disease: Optimizing Drug Development Strategies. By Neal R. Cutler, John J. Sramek and Amy E. Veroff. Chichester: John Wiley. 1994. 168 pp. £35.00 (hb)." British Journal of Psychiatry 167, no. 2 (August 1995): 280–81. http://dx.doi.org/10.1192/s000712500006476x.

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Williams, Michael. "Alzheimer's disease, optimizing drug development strategies. Neal R. Cutler, John J. Sramek and Amy E. Veroff, John Wiley, Chichester, UK, 1994, viii+ 168 pages, $65.95." Drug Development Research 34, no. 4 (April 1995): 381–82. http://dx.doi.org/10.1002/ddr.430340411.

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Zhang, An Ning, Zhao Feng Zhu, and Feng Zhu. "The Finite Element Simulation of Disc Cutter of Different Diameter Breaking Rock." Advanced Materials Research 791-793 (September 2013): 742–45. http://dx.doi.org/10.4028/www.scientific.net/amr.791-793.742.

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In this paper, finite element software ANSYS is used to simulate a process of disc cutters of different diameter breaking rock, get the curves of the load of disc cutter of different diameter breaking rock and the curves of the stress exerting on the cutters when the disc cutters cutting different depth. According to the rock breaking mechanism of disc cutter, and established five kinds of disc cutter of different diameter broken rock finite element model, and the numerical simulation was carried out. The loads of disc cutters of different diameter breaking rock and the stress exerting on the cutters are different when the disc cutters cutting different depths. According to the result of the analysis, draw the curve graph of the load of disc cutter breaking rock and the stress exerting on the cutters when the disc cutters of different diameter cutting different depth. According to the curve diagram, the load of disc cutter of different diameter cutting a certain depth and the stress of exerting on the disc cutters can be gotten. The simulative result is instructive for improving the design of disc cutter parameters and improving the development efficiency.
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Cheng, Jun, Ya Dong Gong, Hai Feng Zhao, Yue Ming Liu, and Jian Yu Yang. "A Nonlinear Multi-Objective Optimal Design for Cutter Head of TBM." Applied Mechanics and Materials 80-81 (July 2011): 1046–50. http://dx.doi.org/10.4028/www.scientific.net/amm.80-81.1046.

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This paper presents a novel model of lay out of cutter head of TBM(tunnel boring machine). Rock-broken mechanism during the operation of the cutter head is analyzed to study the layout of cutters. A model of the cutters under the action of forces during TBM’s working has therefore been developed, thus proposing a scheme to improve the rock breakability of TBM’s cutter head on which the cutters are lay out. Then, a nonlinear multi-objective mathematical model with complex constraints is developed, with an optimization program provided via an intelligent algorithm for the layout design of cutters on the cutter head of a TBM. The cutter head of an EPB6.28 TBM, an optimized design is given to set up a prototype with digitized cutter head, to which a simulation is done for the verification of equilibrium of forces. Comparing analytically the cutter wear and equilibrium of forces between a previous and a newly designed cutter heads, the results shows digitally that the new one is more practicable than the previous one.
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Zhao, Xiao Xu, and Ya Dong Gong. "Research on the Load on Cutter Head of Hard Rock Tunnel Boring Machine." Applied Mechanics and Materials 684 (October 2014): 303–7. http://dx.doi.org/10.4028/www.scientific.net/amm.684.303.

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Study on the load exerted on cutter head is very useful for the design and performance prediction of hard rock tunnel boring machines. A composite model based on smoothed particle hydrodynamics and finite element method was carried out using AUTODYN software to study the rock fragmentation mechanism of constant cross-section disk cutters in cutter head. The normal force, rolling force and side force on the disk cutters with different cutter radius were researched in the numerical simulation study. The results were verified by historical literature data. To obtain the distribution of the forces with different cutter radius, the loading of cutter head of a Ф5.75 hard rock tunnel boring machine were analyzed. The result shows that it is useful for cutter head’s design and its layout optimization.
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Man, Lin Tao, and Shou Ju Li. "Numerical Simulation of Rock Fragmentation Process Induced by Two Disc Cutters." Advanced Materials Research 366 (October 2011): 224–28. http://dx.doi.org/10.4028/www.scientific.net/amr.366.224.

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Rock fragmentation processes induced by two cutters were simulated by ABAQUS software with different cutter spacing. A series of numerical experiments reproduce the progressive process of rock fragmentation in indentation. The influence of different cutter spacing on the penetration process can also be clearly researched. Rock fragmentation process induced by two TBM disc cutters was performed using the finite element method. The simulation not only provided a realistic description of the rock fragmentation mechanism, but also supported the sufficient proof for the cutter spacing optimization between adjacent disc cutters for a given penetration depth. When the penetration is 6 mm, the cutter spacing optimization is 48 mm. The result shows that the numerical simulations will contribute to an improved knowledge of rock fragmentation in indentation and will be useful for performance assessment of TBM, which will enhance the efficiency of rock breaking.
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Zhang, Yu, Xing Wen Wang, and Hui Fang Liu. "Numerical Simulation of Rock-Breaking Process by Disc Cutter in Tunnel Boring Machine." Applied Mechanics and Materials 487 (January 2014): 513–16. http://dx.doi.org/10.4028/www.scientific.net/amm.487.513.

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The force load research of disc cutter can be used in the design of disc cutter, in order to improve the working life, determine when to change another cutter. Based on the working platform of ABAQUS finite element analysis module, single disc cutter rock-breaking of the simulation model is established, and according to the theory of rocks plastic rule, dynamics analysis and dynamic simulation are done when the cutter is in rock-breaking process by which, the added force can be got when the disc cutter and rocks contact each other in different wear conditions of contact force in the process of the dynamic contact each other. The results show that with the cutter damage increasing, the added force is increased and cutters maximum instantaneous stress load is 1.5 ~ 2.5 times than the average stress load, which has a negative influence on working efficiency. To have a clear understand of cutters design and working life and when to change another cutter in working time, the results also offer an engineering parameters for researching the load state of TBM tunneling.
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Deng, Ke, and Ning Hui Huang. "Design of New Fixture for Standardized Cutter." Applied Mechanics and Materials 201-202 (October 2012): 737–40. http://dx.doi.org/10.4028/www.scientific.net/amm.201-202.737.

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In view of present situation that fixture for standardized cutter can install only one specification of standardized cutter and center height of cutter blade must be calibrated by gaskets, a new-style multi-functional fixture was designed which can clamp various specifications of standardized cutters and be adjusted more precisely and easily by screws. The main design contents include general structure of fixture, installation space of cutter, harford vertical adjusting mechanism, cutter lateral fastening and screwdown column; lateral fastening force, screwdown clamping force and tighten torque of different specifications of cutters are calculated afterwards. It has been proven by practices that the new fixture has good effects and meets demand of production well.
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Wang, Yong Ding, and Wen Lei Shen. "Fluid-Solid Coupling Analysis on Aquatics Hub Cutter." Advanced Materials Research 610-613 (December 2012): 880–83. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.880.

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Hub cutter is a new kind of plant cutters with a good capability of anti-blocking and stability of operating performance. Hub cutter was simulated by using Coupled FEA/CFD analysis in order to get the hydrodynamic pressure value , static pressure and natural frequency. The results show that the change of hydrodynamic pressure on the hub cutter is large. Furthermore, the static pressure was measured focusing on both ends of the aquatics hub cutter. It provides a theoretical basis for designing hub cutters. The study shows that it is feasible to use Coupled FEA/CFD analysis results to predict the performance of hub cutter. This method can be applied in engineering practice and is an innovative design with coupled FEA/CFD analysis.
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Sun, Yuan Xiu, and De Yong Zou. "Experimental Study on Force of Stinger Cutter Breaking Rock." Applied Mechanics and Materials 727-728 (January 2015): 406–10. http://dx.doi.org/10.4028/www.scientific.net/amm.727-728.406.

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Singer PDC cutters of five different cone top diameters are designed and manufactured.On the basis of rock-breaking test with stinger PDC cutters, effects of significant factors on cutting forces are discussed, including cutting angle, cutter shape and rock hardness. The test results show that the stinger PDC cutters have the ability of drilling hard rock.The sharper the stinger PDC cutter is, the stronger the ability of drilling the formation will become.15°is an optimal front rake angle.
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Dissertations / Theses on the topic "Cutler, Amy"

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Fahrer, Sigrid. "Cut-up : eine literarische Medienguerilla /." Würzburg : Königshausen u. Neumann, 2009. http://deposit.d-nb.de/cgi-bin/dokserv?id=3200552&prov=M&dok_var=1&dok_ext=htm.

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Umbaugh, Melanie. "Meet-Cutes & Motherhood: Roles of Women in Recent Rom-Coms." Ohio University Honors Tutorial College / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1524838486510027.

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Fabian, Andreas. "Spoons & spoonness : a philosophical inquiry through creative practice." Thesis, Bucks New University, 2011. http://bucks.collections.crest.ac.uk/10110/.

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A social etiquette has emerged around the consumption of food in the West which requires the use of cutlery – knife, fork and spoon. It is the spoon that is the subject of this thesis, a utensil so familiar as to have become almost invisible. The significance of the spoon should not be underestimated and it is employed in this study as a device to offer insight into material practices, examine theoretical issues in relation to design and explore the culture of representation that has developed around objects in the contemporary field of visual and material culture. In this sense this thesis can be seen as located in the blurred boundaries of art, craft and design and as constituting a text which contextualises and supports a collection of artefacts developed in the course of a 'practice led' Art and Design PhD. The spoon exists not only as an object whose usefulness transcends time but also in terms of a metaphorical singularity; as an idea with an infinite number of possible interpretations and material manifestations. This thesis originates in the idea of a reflective cross-disciplinary enquiry intended to explore fundamental questions around what the author defines as “spoonness”, articulating that which might otherwise be articulated through (and subsumed in) the making of the object itself. Significantly, by tracing the journey of the authors film „Emilie Eating Soup‟ together with the various objects, exhibitions and catalogues developed in the course of this research, this thesis also contributes to current critical discourse from the perspective of the practitioner - a voice that in the past has often been absent from academic discourse. It opens up the creative processes to scrutiny and further comment, and serves as a model of analysis to others in the field of material culture to aid reflection upon their own practice and generate new modes of innovation. A critical reflection upon the works subsequent reception at a series of prestigious international exhibitions and events is made throughout this thesis. These materials, together with this text, combine to represent the broad arc of this author‟s creative practice and collectively define the innovative nature of this PhD.
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PORTO, LUIZ CARLOS DE FARIA. "DEVELOPMENT AND CONSTRUCTION OF A PROTOTYPE OF A COMPUTERIZED CUTTER FOR PLASTIC PLATES OF LOW THICKNESS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1995. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=19823@1.

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CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO
Um dos processos que mais tem se difundido na área de automação industrial é o processo de corte de chapas. Diversas máquinas de vários tamanhos têm sido desenvolvidas para o corte de inúmeros materiais como aço, alumínio, madeira, couro, pedra etc. Neste procedimento específico, têm sido utilizados os mais diversificados métodos de corte, desde facas em movimento alternativo ou rotativo, até a utilização de maçaricos, jato de água, laser ou plasma. O presente trabalho visa o desenvolvimento de uma mesa de corte de baixo custo para a automatização do processo de corte de chapas plásticas de pequenas espessuras. As aplicações para uma máquina deste tipo são máquinas são mais diversas, com destaque na utilização em fabricação de letreiros luminosos de acrílico. Em termos gerais, o protótipo aqui desenvolvido constitui-se de uma mesa com fresa, sendo movimentada em XY a partir de comandos vindos de um microcomputador. Além de movimentação no plano horizontal XY, existe um terceiro movimento de levantar e abaixar a fresa executado na direção vertical. Uma inovação examinada nesta protótipo, foi a utilização de guias lineares construídas a partir de perfis em C, de alumínio, com uma corrente neles fixada que desempenha o papel de cremalheira para converter o torque do motor em força motriz. Assim, a guia passou a ter a finalidade dupla e simultânea de guia propriamente e elemento de tração, evitando a necessidade de utilização de cabos ou correias. Assim , esta dissertação tem por objetivo descrever os principais elementos do protótipo construído e apresentar alguns resultados dos testes realizados.
One of the process that have been mostly diffused in the Field of industrial automatization is the one of plate cutting. Several engines of various sizes have been developed for the cutting of many materials such as steel, aluminium, Wood, leather, Stone etc. In thes specific procedure, the most diversified cutting methods have been used, from blades in alternating or rotatory movement to the utilization of blowtorches, water Jet, laser or plasma. The present tak´s aim is the development of a low-cost cutting table for the automatization of the processo f cutting plastic plates of low thickness. The applications for such a machine are several, highlighing its use in the manufactoring of acrylic lighted plackards. By definition, the prototype here developed consists of table with a Miller, put into motion in XY by commands coming from a microcomputer. Besides the horizontal plan XY movement, there is a third one of lifting and lowering the Miller executed in the vertical direction.
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Zeng, Rong Wendy 1968. "Loss of heterozygosity of the CUTL1 gene in uterine leiomyomas and breast cancers." Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=35492.

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The human Cut gene, CUTL1, was mapped to chromosome 7, band 7q22, a region found in cytogenetic studies to be deleted in several human cancers. CUTL1 encodes for the human Cut protein, a homeodomain protein that was shown to bind to the promoter of the c-Myc proto-oncogene and repress its expression. As a first step in trying to determine whether CUTL1 is a tumor suppressor gene, we verified whether this gene is located within the chromosomal region that is deleted in human cancers. High resolution maps containing the CUTL1 genomic DNA were constructed in lambda phage, cosmid and PAC clones. Three (CA)n microsatellite polymorphic markers were identified within CUTL1 genomic DNA and were used in loss of heterozygosity (LOH) studies using genomic DNA from uterine leiomyomas and matched normal myometrium. LOH at 7q22 was demonstrated in 7 out 50 uterine leiomyomas samples, and the smallest commonly deleted region included CUTL1. Northern blot analysis revealed that CUTL1 mRNA levels were reduced in 8 out of 13 uterine leiomyomas.
In parallel studies, the Cut protein was found to interact with Polyomavirus large T (PyLT) protein in breast tumors and uterine leiomyomas that arise in transgenic mice expressing PyLT. Since LT was known to inactivate two tumor suppressors with which it interacts, Rb and p53, we hypothesized that genetic alterations to CUTL1 may occur in human breast cancers. Loss of heterozygosity at 7q22 was found in 18.2% (12/66) of sporadic breast tumors. The deleted region at 7q22 in every case included one or more of the three CUTL1 polymorphic markers. LOH at 7q22 was associated with increased tumor size, but not with tumor types and grades.
The exon-intron structure of CUTL1 was determined and several CUTL1 mRNA isoforms have been identified and characterized. All isoforms were found to be expressed in all tissues and tumor cells tested. Comparison of cDNA sequences with the CUTL1 genomic structure revealed a complex pattern of alternative transcription initiation, splicing and polyadenylation. Interestingly, transcription can starts in two genomic regions, and the choice between alternative polyadenylation sites and splice acceptor sites appears to be dictated by the nature of the first exon or associated promoter sequences.
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Cataldo, Claudia Kingston. "Beyond cute and evil how dwarfs reconfigure boundaries of sexuality, identity, and ability in Germanic literature and film /." Diss., Restricted to subscribing institutions, 2009. http://proquest.umi.com/pqdweb?did=1925787811&sid=38&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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Ahrens, Glenn R. "Tanoak (Lithocarpus densiflorus (Hook & Arn.) Rehd.) root dieback : below- and aboveground site occupancy by stump-sprouts in southwest Oregon /." 1989. http://hdl.handle.net/1957/10121.

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Dousa, Thomas M. "Evolutionary Order in the Classification Theories of C. A. Cutter & E. C. Richardson: Its Nature and Limits." 2009. http://hdl.handle.net/10150/105654.

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In recent years, evolutionary order has been used as the favored mode of determining class sequence by classificationists using integrative levels as a theoretical framework for classification design. Although current advocates of evolutionary order are based in Europe, use of the concept in library and information science (LIS) can be traced back to two North American pioneers in classification theory, C. A. Cutter (1837â 1903) and E. C. Richardson (1860â 1939). Working in the heyday of evolutionism and influenced by the developmental classifications of the sciences of Auguste Comte and Herbert Spencer, Cutter and Richardson introduced evolutionary order as an explicit principle into LIS classification theory, defining it as encompassing a conceptual progression from the general to the specific, the simple to the complex, and the past to the present. This idea proved influential, being appropriated by later theoreticians like H. E. Bliss; it also reinforced the realist tendency of early LIS classification theory. However, for Cutter and Richardson, application of evolutionary order to bibliothecal classifications proved problematic. Cutter applied the concept inconsistently; Richardson viewed it as theoretically ideal, but subject to so many exceptions for pragmatic reasons that it could not be attained in practice. Cutterâ s and Richardsonâ s use of evolutionary order reveals the tension between enunciating a principle of classificatory ordering in theory and applying it in practice.
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Nayar, Priya Susan. "PACU nurses & postoperative pain : A focused ethnography." Thesis, 2014. http://hdl.handle.net/2440/95136.

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BACKGROUND: The post-anaesthetic care unit (PACU) is the first place that patients are taken following their operation and it is here that the initial recovery from their anaesthetic and surgery happens. Accordingly a significant proportion of the PACU nurse’s time is involved with the assessment and management of pain in the postoperative patient. Despite the implementation of standardised tools such as pain rating scales and medication protocols, the assessment and management of postoperative pain varies markedly from one patient to another in the PACU. Taking this into consideration, the researcher sought to understand how PACU nurses interpret pain assessment and management of the postoperative patient. AIM: To understand the processes PACU nurses utilise when assessing pain and implementing subsequent pain management in patients following surgery. METHODOLOGY: The qualitative approach of focused ethnography was used to frame this study. Focused ethnography was considered to best portray the perspectives of PACU nurses, as a culture, regarding the assessment and management of postoperative pain. METHODS: Ten PACU nurses were recruited from the PACU of a government hospital. The experience of the participants ranged from 3 years to more than 20 years in PACU nursing. James Spradley’s ethnographic research cycle was used to frame the research process. The research design employed two methods of data collection: participant observation and individual interviews. Collected data was transcribed and thematic analysis conducted. FINDINGS: Five themes emerged reflecting the perspectives of PACU nurses on the assessment and management of postoperative pain. These themes are: With Surgery Comes Pain; The Picture Beyond The Wound; Knowing; The Individual Experience; and Bridging Surgical Care. There are many complexities involved in assessing and managing postoperative pain in the PACU. Underpinning the five themes, communication was seen to be an integral aspect of assessing and managing postoperative pain from the PACU nurse’s perspective. CONCLUSION: This study represents a population of nurses who identify strongly with working in a unique clinical environment. The findings give insight to the multi-dimensional process that PACU nurses employ to be able to provide proficient care of postoperative pain to their patients; and, this study illustrates that the PACU fosters a distinct sense of culture amongst its nurses when considering the assessment and management of pain in the postoperative patient. The significance of this research is that there is no set method of pain assessment and management the PACU that could be taught from a textbook. Postoperative pain assessment and management is a highly individualised process that continuously changes with variables that are introduced by both the PACU nurse and the patient. Further research is required to develop knowledge about this particular environment.
Thesis (M.Nurs.Sc.) -- University of Adelaide, School of Nursing, 2014
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Osenton, Sara Catharine. "Insidiously 'cute': Kawaii cultural production and ideology in Japan." 2006. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=450386&T=F.

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Books on the topic "Cutler, Amy"

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D, Freiman Lisa, Indianapolis Museum of Art, and David Winton Bell Gallery (Brown University), eds. Amy Cutler. Ostfildern-Ruit: Hatje Cantz, 2006.

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Aranguren, Amélie. Amy Cutler: Alteraciones. Madrid: Museo Nacional Centro de Arte Reina Sofía, 2007.

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author, Groff Lauren, and Madison Museum of Contemporary Art (Madison, Wis.), eds. Amy Cutler: A narrative thread. Madison, WI: Madison Museum of Contemporary Art, 2021.

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Cutler, Amy. Dialogues: Amy Cutler, David Rathman. [Minneapolis, Minn.]: Walker Art Center, 2003.

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Bachhuber, Nina Lola. Selections, Summer 2000: June 21 - July 26, 2000 : Nina Lola Bachhuber, Berlinde de Bruyckere, Amy Cutler, Georganne Deen, Margaret Evangeline, Edward Pien. New York, N.Y: The Drawing Center, 2000.

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Cutler's Brigade at Gettysburg. 2nd ed. Baltimore, Md: Butternut and Blue, 1994.

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McLean, James L. Cutler's Brigade at Gettysburg. Baltimore, Md: Butternut and Blue, 1987.

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Away amongst strangers: The Civil War letters and family histories of Aaron M. Cutler, Battery A, First New York Light Artillery and Stephen Tillinghast Spaulding, Company G, 140th New York Volunteer Infantry, Army of the Potomac. [Rochester, Pa.?]: R.W. Roth, 2007.

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Otterbacher, John. Sailing Grace: A true story of death, life, and the sea. Grand Rapids, Mich: Samadhi Press, 2007.

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Freiman, Lisa, and Amy Cutler. Amy Cutler. Hatje Cantz Publishers, 2006.

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Book chapters on the topic "Cutler, Amy"

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Villars, P., K. Cenzual, J. Daams, R. Gladyshevskii, O. Shcherban, V. Dubenskyy, V. Kuprysyuk, and I. Savysyuk. "CuTeBr ht." In Structure Types. Part 9: Space Groups (148) R-3 - (141) I41/amd, 802. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-02702-4_576.

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Villars, P., K. Cenzual, J. Daams, R. Gladyshevskii, O. Shcherban, V. Dubenskyy, V. Kuprysyuk, and I. Savysyuk. "CuTeBr ht." In Structure Types. Part 9: Space Groups (148) R-3 - (141) I41/amd, 820. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-02702-4_593.

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Villars, P., K. Cenzual, J. Daams, R. Gladyshevskii, O. Shcherban, V. Dubenskyy, V. Kuprysyuk, and I. Savysyuk. "CuTeI." In Structure Types. Part 9: Space Groups (148) R-3 - (141) I41/amd, 798. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-02702-4_572.

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Zakiuddin, K. S., M. P. Singh, and J. P. Modak. "Mathematical Modeling & Simulation of Chaff Cutter Energized by Human Powered Flywheel Motar." In Advances in Mechanism and Machine Science, 3551–59. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20131-9_350.

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Millán, Reinier Díaz, Scott B. Lindstrom, and Vera Roshchina. "Comparing Averaged Relaxed Cutters and Projection Methods: Theory and Examples." In Springer Proceedings in Mathematics & Statistics, 75–98. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36568-4_5.

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Macedo, Helena, Inês Moniz, José Dinis-Carvalho, and Rui Sousa. "Applying Lean Tools to Improve the Performance of a Small and Medium-Sized Cutlery Company." In Springer Proceedings in Mathematics & Statistics, 85–99. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-14763-0_8.

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Xie, L., X. Y. Ruan, M. Li, and Q. J. Wu. "Interference-Free Tool Path Generation for 5-Axis NC Machining with a Flat-End Cutter." In Advances in Machining & Manufacturing Technology VIII, 180–84. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-999-7.180.

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Ferrari, Daniel, Gabriel Bonfim, Raphael Oliveira, Luis Paschoarelli, and João Santos. "Design and Development of a Low-Cost Prosthesis Directed to the Activity with a Gasoline Brush Cutter: A Case Study." In Advances in Ergonomics Modeling, Usability & Special Populations, 451–60. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-41685-4_40.

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"Small Worlds: An Interview with Polly Apfelbaum and Amy Cutler." In Taking AIM!, 33–44. Fordham University Press, 2020. http://dx.doi.org/10.1515/9780823244348-006.

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"87. Cutie Cute & Horribly Horrid." In A Catalog of Such Stuff as Dreams Are Made On, 280–82. Columbia University Press, 2022. http://dx.doi.org/10.7312/dung20542-090.

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Conference papers on the topic "Cutler, Amy"

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Xu, Jianhui, Guodong David Zhan, Timothy E. Moellendick, and Wenhui Jiang. "Advanced Coating to Mitigate PDC Cutter Thermal Degradation in PDC Bit Manufacturing." In International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-21954-ms.

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Abstract Polycrystalline Diamond Compact (PDC) cutters on PDC drill bits are the primary cutting elements to shear and scrape the formations during drilling process. In the PDC drill bit manufacturing, PDC cutters are attached onto drill bit with silver-copper-zinc alloys by brazing process. PDC cutters face the challenge of thermal degradation during this brazing process. This paper studies the development of an advanced coating on PDC cutter to mitigate its thermal degradation in the brazing process. The advanced coating is applied by physical vapor deposition process on PDC cutter. The coated cutter surface is checked by scanning electron microscope (SEM) for the coating integrity. Both the coated and uncoated cutters are brazed and debrazed to mimic the heating cycle of drill bit manufacturing. They are then tested in a vertical turret lathe to shear a rotating granite rock. The volume losses from the wear scars of the cutters after specific passes are compared among those the coated and uncoated PDC cutters. The SEM results show that coating is in good integrity on the PDC cutter surfaces. The coating is continuous, dense without porosity or microcrack. No obvious oxidation is observed after a high-temperature heat treatment at 740 °C, which was used to mimic the overheating brazing process, which is commonly encountered during bit manufacturing. Then, the vertical turret lathe test results show that the coating on the PDC cutters improves the wear resistance by 50% when compared with that of uncoated cutters, after the brazing and de-brazing simulation. This work presents a solution to the thermal degradation of the PDC cutters after brazing process by using an advanced coating process. With the improved wear resistance due to the coating protection, the life of drill bit and its rate of penetration (ROP) during the drilling process can be significantly improved. It is expected to save a lot of drilling time and cost for the drilling operation in the E&P sector.
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Engin, Serafettin, and Yusuf Altintas. "Generalized Modeling of Milling Mechanics and Dynamics: Part II — Inserted Cutters." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0692.

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Abstract Inserted cutters are widely used in roughing and finishing of parts. The insert geometry and distribution of inserts on the cutter body vary significantly in industry depending on the application. This paper presents a generalized mathematical model of inserted cutters for the purpose of predicting cutting forces, vibrations, dimensional surface finish and stability lobes in milling. In this paper, the edge geometry is defined in the local coordinate system of each insert, and placed and oriented on the cutter body using cutter’s global coordinate system. The cutting edge locations are defined mathematically, and used in predicting the chip thickness distribution along the cutting zone. Each insert may have a different geometry, such as rectangular, convex triangular or a mathematically definable edge. Each insert can be placed on the cutter body mathematically by providing the coordinates of insert center with respect to the cutter body center. The inserts can be oriented by rotating them around the cutter body, thus each insert may be assigned to have different lead and axial rake angles. By solving the mechanics and dynamics of cutting at each edge point, and integrating them over the contact zone, it is shown that the milling process can be predicted for any inserted cutter. A sample of inserted cutter modeling and analysis examples are provided with experimental verifications.
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Pelfrene, Gilles, Fayez Abdulrahman Al Fayez, Hussain Ali Baqer, Jasem Ahmed Al-Jarki, Meshal Hamoud Alsarhan, Mohammad Al-Otaibi, Abdulkarim Al-Suraie, et al. "A New Pdc Bit Selection Method Based on 3d Realistic Cutter Damage Simulation Aimed at Maximizing Product Life–Cycle." In SPE/IADC Middle East Drilling Technology Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/202150-ms.

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Abstract Increasing the life of PDC bits without compromising on bit performance is crucial in drilling operations. It allows the operator to reduce non-productive time and the bit manufacturer to increase the reliability and the repairability of its products. This paper introduces a new PDC bit selection method designed to maximize the durability of the selected bit based on simulations of 3D realistic cutter damage. During PDC bit drilling operations, any damage caused to one cutter tends to overload others and compromise the balancing and the durability of the whole cutting structure. The impact of various kinds of bit failure and cutter damage on the performance of different cutting structures is estimated. The analysis is performed with the help of a 3D bit-rock interaction model which simulates the drilling process considering both the drill bit and the hole being drilled as 3D meshed surfaces. The simulator is based on a generic computational geometry algorithm which estimates the exact volume of rock removed by each cutter while making minimal assumptions on the geometry of the cutter. Any cutter shape, including damaged ones can be simulated based on this model. Thus, realistic dull conditions can be applied to PDC cutters to analyse how the bit performs once damaged. A series of simulation scenarios involving different failure mechanisms like abrasive wear, broken cutters, or lost cutters, have been conducted on a series of targeted 9 ¼ in. bit designs aimed to be run in an application in South East Kuwait. Bit designs have been ranked with respect to simulated performance indicators like drillability, steerability, stability, tool face control and also to their ability to withstand mild to catastrophic failure events. Based on this analysis, the top ranked bit design has been selected, manufactured and successfully run in the field. For the first time in the area, the bit achieved two sections (9 ¼ and 6 ½) in one, showing both a high durability and a good compatibility with the directional system used along the formation sequence drilled. While the classical bit selection process is usually limited to the comparison of different bit designs in a given drilling scenario, the present paper demonstrates how this process can be further optimized by selecting the bit which also guarantees a maximum level of performance when subjected to worst case failure scenarios. This new method should benefit both the operator and the bit manufacturer as it is designed to achieve longer intervals, reduce operating costs and increase the global bit performance.
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Nagata, Shigeyoshi, and Tsutomu Komori. "A Research on Bevel Gear Hobbing." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0027.

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Abstract At present, hob cutters have mainly been used for the tooth cutting of gears. The each blades of the hob cutter have generally been designed with the same module size, therefore, it is not possible to cut gears of another module size using the aforementioned hob cutter. In our research, from the above viewpoint we have through theoretical analysis of a new hob cutter, tried to design a module hob cutter which is able to cut gears of several module sizes during rough cutting. Hereinafter, we are to call this new hob cutter “Variable Module Hob Cutter (= VMHC)”. This “VMHC” is not uniform in the whole length of hob cutter. It is designed so that the module size is made to vary in accordance with axial direction. With this “VMHC”, not only is it possible for us to cut the tooth profile of gear in any variety of module sizes, but also it is expected to be very suitable for cutting bevel gears by using general type hobbing machine. Most of bevel gears are manufactured by a unipurpose machine tool. Bevel gears, however, are able to be manufactured easily even by using the general type hobbing machine by applying the conventional method of tooth cutting and this hob cutter. The bevel gears have been difficult to manufacture by the conventional hob cutter. However, we will be able to expect to get “VMHC” easily through use of CNC technology.
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Zhan, Guodong David, Nicholas Lyons, Msalli Al Otaibi, Duanwei He, and Andrew Robertson. "A First Look at 100% Thermally Stable Polycrystalline Diamond (PCD) for Oil & Gas Drilling." In SPE Annual Technical Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/210352-ms.

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Abstract Since the late 1970's, research on the efficiency and cutting life of polycrystalline diamond compact (PDC) cutters identified elevated temperature due to frictional heating as one of the primary accelerants of wear to the diamond cutting edge. Temperatures as low as 700 °C activate the back-conversion process, whereby diamond transforms into graphite, due to the presence of catalytic metal in the diamond structure. The Oil and Gas industry responded by investing years developing technologies to reduce the temperatures that PDC's experience in application via improved hydraulics for cooling, higher quality surface finishes to reduce friction, and improved thermal stability via material structure and chemical treatments. PDC cutter technology has progressed substantially in the last 30+ years, but the challenge of synthesizing a perfectly thermally stable PDC still remains unmet until now. Recently, Zhan (2018, 2020, 2021a and 2021b) first developed a new strategy to synthesize ultrastrong and catalyst-free polycrystalline diamond (CFPCD) or binderless PDC cutters with a new world record as the hardest and tough diamond material and the highest thermal stability up to 1,400°C via his invented ultra-high pressure and ultra-high temperature (UHPHT) technology, which is three to seven times higher than conventional PDC cutters used in the industry. An initial laboratory study of a new catalyst-free extreme high pressure, high temperature CFPCD material provides the first instance of a catalyst metal free polycrystalline diamond structure that actually boosts rock cutting performance above and beyond that of the current state-of-the-art PDCs. Proof of concept CFPCD specimens were evaluated against commercial, state-of-the-art non-leached (NL) and deep leached (DL) PDC cutters in the lab. Two CFPCD grades, A & B, were run through a series of tests to evaluate their potential for rock cutting and, ultimately, for use in oil & gas drilling applications. Laboratory testing was conducted on vertical borer wear tests, KIC fracture toughness tests, and thermal degradation monitoring tests. Lab results reveal a threshold that must be exceeded in the synthesis of catalyst-free CFPCDs to achieve sufficient diamond intergrowth and structural integrity to surpass the current state-of-the-art DL PDCs. CFPCD grade A wore equivalently to a commercially available NL cutter and exhibited a toughness comparable to that of commercially available DL PDC material. Grade B, synthesized at a significantly higher pressure than grade A, cut 5.7 times the distance of a commercial NL PDC for an equivalent wearscar volume, and exhibited a 160 % reduction in wear volume comparing volume of diamond worn to volume of rock cut (or G ratios) to DL PDC after cutting the equivalent of roughly 50 miles of rock. The wearscar surface of Grade B also exhibited excellent integrity with no cracking or chipping damage compared to Grade A and commercial PDC grades. This is the first documented instance of a catalyst-free PDC achieving the best wear performance and integrity (fracture toughness) than the current PDC cutters offering on the market. Thermal stability limits of PDC cutters has greatly improved in the past 20 years, but the best commercial PDC's still rely on extending leach depths with certain performance limits. For the first time in the industry, there is a PDC material than shifts this boundary without the use of catalysts and leaching technology, producing a truly differentiable PDC cutter.
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Li, Yongqiang, and Yong Chen. "Five-Axis Manufacturing Simulation Based on Normal Arc Mapping and Offset Volume Computation." In ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/detc2010-29051.

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This paper presents a general manufacturing simulation method for 5-axis manufacturing processes including both numerical controlled (NC) machining and additive manufacturing (AM). The method is based on three major steps: (1) normal arc mapping that is general for computing critical curves, (2) computing the cutter swept volume (SCV) along a 5-axis tool paths based on the critical curves, and (3) computation of simulation results based on a set of sampling points from the cutter swept volume. The first two steps are discussed in details. Based on the properties of the envelop theory, we first present a normal arc mapping method that is general and intuitive. Accordingly the critical curves can be computed for any position and orientation of a tool on a 5-axis tool path. We test various tool shapes including three typical cutters in NC machining and a laser ellipsoid tool in Stereolithography apparatus (SLA). Based on the critical curves, the envelope surfaces of the cutter swept volume related to given tool motions can be determined. We compute a closed continuous surface to approximate the cutter swept volume. The approximation error in computed result has been analyzed. Finally we use a discrete representation, layered depth normal images (LDNIs), to convert a set of cutter swept volumes into a booleaned solid model. The discrete computation based on LDNIs enables us to compute the simulation result robustly and effectively. We demonstrate our method for both NC machining and additive manufacturing processes. Five-axis tool paths can also be given in both curves and surfaces. Various test cases have been presented to illustrate the effectiveness of our method.
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Thomas, Adam Xavier, Michael James Bailey, Sofiane Doudou, Javier Pérez García, Salim Al Bahri, Mohammed Al Kiyumi, Mohammed Al Mamari, Zahir Al Omairi, Aditia Hermawan, and Bastian Andoni. "Enhancing Drilling Response and Improving ROP on PDC Bits by Utilizing 1-in. Diameter Cutters." In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205717-ms.

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Abstract This paper details the improvements to drilling performance and torsional response of fixed cutter bits when changing from a conventional 19-mm cutter diameter configuration to 25-mm cutter diameters for similar blade counts in two different hole sizes. Key performance metrics include rate of penetration (ROP), rerun-ability, torsional response, and ability to maintain tool-face control during directional drilling. A high-performance drilling application was selected with several existing offset wells using a 12¼-in., five-bladed, 19-mm (519) drill bit design, and a concept bit developed using 25-mm diameter cutters while maintaining comparable ancillary features. This was tested in the same field on both vertical and S-shape sections using the same bent-housing motor assembly and drilling performance compared to the existing offsets. A 17½-in. hole size application that experiences high drillstring vibration was also selected, and a 25-mm cutter diameter drill bit was designed with comparable ancillary features to replace a six-bladed, 19-mm (619) drill bit. This was tested in the same field with the drilling performance, and vibration propensity was assessed. Initial testing in the 12¼-in. section showed extremely promising initial results, breaking the field ROP record in a well-established field of more than 3,000 wells. The rerun of the same bit without repair placed fourth in the field in terms of ROP records. Additional testing in the vertical and s-shape sections showed the new 25-mm cutter diameter design consistently exceeding the ROP performance of the 519 drill bit design while achieving directional targets without any reported drilling concerns. Subsequent trials with other operators saw similar performance improvement with multiple instances of breaking field ROP records. The first trial of the new 17½-in. hole size design with 25-mm diameter cutters had 34% average higher ROP than the offset average ROP, achieving the field ROP record. An overall 70% improvement during trials was seen in ROP versus the existing 619 drill bit design. The daily drilling reports and client feedback reported a significantly reduced level of drillstring vibration versus offset wells. This paper demonstrates the potential for a paradigm shift in drilling response and overall ROP by using 25-mm diameter cutters on fixed cutter bits. When correctly modeled, designed, and selected for specific applications, they benefit operators by reducing the time it takes to drill the section, improving repairability, reducing the time that an openhole is left exposed, and reducing drilling costs.
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Reboul, Sebastien, Emad Ahmed Elabassi, Miguel Angel Tejedor, Kareem Hafez, Bruno Cuillier, Daniel Addae, Nina Yari, Marcin Kapitaniak, Seyed Vahid Vaziri Hamaneh, and Marian Wiercigroch. "Drilling Efficiently, Durably and Consistently Through Cherts and Conglomerates with PDC Bits is Possible." In Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/207292-ms.

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Abstract Drilling into harsh environment with heterogeneous formations including chert or conglomerate is usually a boundary that can't be crossed with standard PDC bit technology. This paper will show how an innovative PDC cutter shape combined with a novel 3D approach of cutting structure design have withstood this challenge and successfully replaced 16-in. traditional roller cone application in United Arab Emirates by the latest PDC technology delivering an average 35% improvement on Rate Of Penetration (ROP) while continuously drilling to Total Depth (TD) on each section. When drilling chert or conglomerate type of formation with a PDC drill bit, uneven load per cutters is detrimental to their integrity and results in short runs or brutal stop in the drilling operation triggering a trip for drill bit change. The new technology shown in this paper includes a unique hybrid combination of cutter shapes with a design arrangement of the cutting structure to allow for the pre-fracturing of any hard formation heterogeneity by 3D shaped cutters while standard cutters ensure a high level of cutting efficiency through their shearing action. This innovative concept has been intensively tested in the lab through single cutter and full bit scale drilling testing. In addition, in-house 3D bit simulation software has been used to optimize the cutting structure and assure performance within a wide range of drilling scenarios. Based on these simulations, an optimized design was manufactured for 16-in. directional applications usually tackled by roller cone drill bits and known for having heterogeneous cherty formations to drill throughout the end of the 5,000 ft section. Simulation results helped to validate the unique shaped cutters placement on the cutting structure to maximize the pre-fracturing effect. This design was run on Rotary Steerable System (RSS) and Positive Displacement Motor (PDM) assemblies and successfully drilled 5 wells in a challenging field of the United Arab Emirates offshore operations. 100% successful rate to reach TD in one run was achieved while increasing drastically the average ROP of the section by at least 35%. Moreover, the unique design configuration allowed to better control the directional behavior of the drill string, which resulted in a significant reduction in the overall cost per foot. A new boundary has been breached in several wells of a complex 16-in. chert and conglomerate application in the United Arab Emirates thanks to a years-long effort combining an innovative cutter technology, an optimized bit design process including a state-of-the-art 3D simulation software with lab and field experimental testing campaigns. By looking at the micro level structure of the rock destruction mechanism, a huge improvement has been obtained at the macro level of drilling operation economics.
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Han, X., Z. He, J. Liu, T. Xu, and H. Zhang. "Study on Structure and Properties of High Speed Steel Powder Coatingssprayed on Surface of Steel s for Cutlery 8Cr13MoV." In MS&T19. TMS, 2019. http://dx.doi.org/10.7449/2019mst/2019/mst_2019_507_514.

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Han, X., Z. He, J. Liu, T. Xu, and H. Zhang. "Study on Structure and Properties of High Speed Steel Powder Coatingssprayed on Surface of Steel s for Cutlery 8Cr13MoV." In MS&T19. TMS, 2019. http://dx.doi.org/10.7449/2019/mst_2019_507_514.

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Reports on the topic "Cutler, Amy"

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Fitzpatrick, Rachael, and Helen West. Improving Resilience, Adaptation and Mitigation to Cimate Change Through Education in Low- and Lower-middle Income Countries. Institute of Development Studies, March 2022. http://dx.doi.org/10.19088/k4d.2022.083.

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Climate resilience is the ability to anticipate, prepare for, and respond to hazardous events, trends, or disturbances related to climate (C2ES, 2022). Mitigation focuses on reducing the human impacts contributing to climate change (Burton, 2007, cited in Rousell & Cutter-Mackenzie-Knowles, 2020). Adaptation is about increasing people’s adaptive capacity, reducing the vulnerability of communities and managing risks (Anderson, 2012). Anderson further defines adaptation as not just being able to adapt from one stable climate to another but having the skills to adapt to uncertainty and make informed decisions in a changing environment. While ‘climate change’ is the term used throughout these briefs, it should be read as a shorthand for a more inclusive approach, which also captures associated environmental degradation. The Intergovernmental Panel on Climate Change (IPCC) warned, in their latest report, that global surface temperatures will continue to increase until 2050 (IPCC, 2021, p. 17). This will take place regardless of human intervention to reduce greenhouse gas emissions. The report also warns that the traditional technocratic approaches are insufficient to tackle the challenge of climate change, and that greater focus on the structural causes is needed. High- and upper-middle-income countries have been persistently shown to be the biggest contributors to the global carbon dioxide emissions, with lower income countries facing the most disruptive climate hazards, with Africa countries particularly vulnerable (CDP, 2020; IPCC, 2021). The vulnerability of low-income contexts exacerbates this risk, as there is often insufficient infrastructure and resources to ensure resilience to climate hazards (IPCC, 2021). For decades, advocates of climate change education have been highlighting the potential of education to help mitigate against climate change, and support adaptation efforts. However, implementation has been patchy, with inconsistent approaches and a lack of evidence to help determine the most effective way forward.This paper is divided into three sections, drawing together evidence on the key aspects of system reform,green and resilient infrastructure and Curriculum, pedagogy, assessment and teacher development.
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