Relevant bibliographies by topics / Selection of critical elements

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Selection of critical elements'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "Selection of critical elements"

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Mazariegos, George V. "Critical elements in pediatric allograft selection." Liver Transplantation 23, S1 (October 2017): S56—S58. http://dx.doi.org/10.1002/lt.24818.

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Fazlollah, Agamohamadi Basmenj, M. Yusuff Rosnah, Zulkifli Norzima, Ismaiel Yusof, and Sorooshian Shahryar. "Modeling Approach to the Elements of TQM Practice." Advanced Materials Research 711 (June 2013): 719–21. http://dx.doi.org/10.4028/www.scientific.net/amr.711.719.

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This paper considers three factors; the selection of the Performance Measures, selection of the Critical Success Factors, and selection of quality tools as three elements of TQM. The qualitative research of this study tries to find and model the interrelation between elements of Total Quality Management (TQM) practice in companies.
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Bhatt, Anil. "Critical Elements in the Design of Poverty Alleviation Programmes." Vikalpa: The Journal for Decision Makers 16, no. 3 (July 1991): 13–20. http://dx.doi.org/10.1177/0256090919910302.

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In general, poverty alleviation programmes (PAPs) have been ineffective because of various factors : the selection of the activity is faulty or the intended beneficiaries are not clearly defined or the procedures for identifying beneficiaries leave much to be desired. An important need, therefore, is to identify certain critical elements which will help in improving the design of PAPs. Based on the experiences of some governmental and voluntary efforts in the Asian region, Anil Bhatt discusses the more critical components and concludes that poverty alleviation is a tough and difficult proposition and calls for imaginative and unorthodox political and administrative changes.
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Miner, Thomas J., and Martin S. Karpeh. "Gastrectomy for gastric cancer: defining critical elements of patient selection and outcome assessment." Surgical Oncology Clinics of North America 13, no. 3 (July 2004): 455–66. http://dx.doi.org/10.1016/j.soc.2004.03.004.

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Manning, Nathan W., René Chapot, and Philip M. Meyers. "Endovascular Stroke Management: Key Elements of Success." Cerebrovascular Diseases 42, no. 3-4 (2016): 170–77. http://dx.doi.org/10.1159/000445449.

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Background: In the last 12 months, treatment of acute ischaemic stroke secondary to large vessel occlusion has undergone a paradigm shift. The success of endovascular surgery, and in particular, the use of stent-retrievers, is remarkable. Summary: Beyond percentages and p values, the endovascular trials demonstrated, in their similarities and their differences, the critical elements of successful intervention in acute ischaemic stroke. Patient selection based on non-invasive neuroimaging has emerged as a critical step in acute ischaemic stroke management. The more sophisticated imaging-based selection, those assessing collateral blood flow or ischaemic penumbra appear to be associated with better outcomes and possibly fewer complications. The importance of achieving effective, quality reperfusion is also demonstrated, in a remarkably linear fashion, across the 5 published trials. This may emerge as the single most important determinant of functional outcomes. While reperfusion may succeed time as the preeminent modifiable variable, it remains clear that achieving quality reperfusion in a timely manner should remain the goal of all acute stroke programs. Key Message: Comparing the recent successful endovascular stroke trials, both between one another, and to their unsuccessful predecessors, emphasizes the importance of patient selection, time and reperfusion. Highlighting these factors allows for a better understanding of the challenges facing clinicians and the changes required to be made in hospital systems in order to achieve a new standard of care in treating acute ischaemic stroke.
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Li, Hongzhao, Guodong Liu, Jiankun Yu, Wenguang Cao, Vincent G. Lobo, and Jiuyong Xie. "In Vivo Selection of Kinase-responsive RNA Elements Controlling Alternative Splicing." Journal of Biological Chemistry 284, no. 24 (April 22, 2009): 16191–201. http://dx.doi.org/10.1074/jbc.m900393200.

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Alternative pre-mRNA splicing is often controlled by cell signals, for example, those activating the cAMP-dependent protein kinase (PKA) or the Ca2+/calmodulin-dependent protein kinase IV (CaMKIV). We have shown that CaMKIV regulates alternative splicing through short CA repeats and hnRNP L. Here we use a splicing reporter that shows PKA/CaMKIV promotion of exon inclusion to select from exons containing random 13-nt sequences for RNA elements responsive to the kinases in cultured cells. This selection not only identified both PKA- and CaMKIV-responsive elements that are similar to the CaMKIV-responsive RNA element 1 (CaRRE1) or CA repeats, but also A-rich elements not previously known to respond to these kinases. Consistently, hnRNP L is identified as a factor binding the CA-rich elements. Analyses of the motifs in the highly responsive elements indicate that they are indeed critical for the kinase effect and are enriched in alternative exons. Interestingly, a CAAAAAA motif is sufficient for the PKA/CaMKIV-regulated splicing of the exon 16 of the CaMK kinase β1 (CaMKK2) transcripts, implying a role of this motif in signaling cross-talk or feedback regulation between these kinases through alternative splicing. Therefore, these experiments identified a group of RNA elements responsive to PKA and CaMKIV from in vivo selection. This also provides an approach for selecting RNA elements similarly responsive to other cell signals controlling alternative splicing.
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Behara, Ravi S., and Somnath Bhattacharya. "DNA Of A Successful BPO." Journal of Service Science (JSS) 1, no. 1 (July 1, 2008): 111–18. http://dx.doi.org/10.19030/jss.v1i1.4306.

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This paper identifies some of the critical elements of a successful BPO through a case study of an U.S. financial services firm that had BPO operations in India. The important dimensions of selection, training, motivation, respecting cultural differences, treating quality as paramount in all operations, and understanding how appropriate control has to be exercised in the area of knowledge-intensive services, were identified as being critical to success. Specific propositions are developed based on these critical elements, and provide a potentially new direction to service outsourcing research.
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Bligh, Roger P., and King K. Mak. "Critical Impact Points for Transitions and Terminals." Transportation Research Record: Journal of the Transportation Research Board 1797, no. 1 (January 2002): 105–12. http://dx.doi.org/10.3141/1797-13.

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Guidelines for evaluating the safety performance of roadside safety features generally recommend that a worst case or critical impact point (CIP) be selected for crash testing. NCHRP Report 350 presents families of curves that can be used to determine the CIP for a transition section. However, these curves have been observed to overestimate the stiffness of a transition system and provide CIP values closer to the more rigid system of the transition (e.g., bridge rail end) than appropriate. New CIP selection curves for transitions are presented. A procedure is provided to aid in determining the CIP for transition sections with multiple rail elements or variations in post strength and post spacing. Various existing and theoretical transitions systems with wide-ranging combinations of beam and post strengths were used to validate the curves. The newly developed CIP relationships for transitions are recommended in lieu of the existing relationships contained in NCHRP Report 350. To facilitate the development of guidelines for the selection of a CIP for terminals, a new definition is proposed. The proposed definition for the CIP is the point along the terminal at which vehicle behavior transitions from gating to redirection. A methodology for determining the CIP using computer simulation techniques is investigated. The data clearly demonstrate that the selection of a single default impact location for all terminal configurations may not provide the CIP for many designs.
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Lou, H., A. J. McCullough, and M. A. Schuler. "3' splice site selection in dicot plant nuclei is position dependent." Molecular and Cellular Biology 13, no. 8 (August 1993): 4485–93. http://dx.doi.org/10.1128/mcb.13.8.4485.

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In contrast to mammalian and yeast systems, the mechanism for intron recognition and splice site selection in plant pre-mRNAs is poorly understood. Splice site sequences and putative branchpoint sequences are loosely conserved in plant introns compared with other eukaryotes. Perhaps to compensate for these variations, plant introns are significantly richer in adenosine and uridine residues than are their adjacent exons. To define elements critical for 3' splice site selection in dicotyledonous plant nuclei, pre-mRNA transcripts containing intron 3 of the maize Adh1 gene were expressed in Nicotiana benthamiana nuclei by using an autonomously replicating plant expression vector. Using a series of intron rearrangements which reposition the 3' intron-exon border, we demonstrate that the normal 3' splice site is defined in a position-dependent manner and that cryptic 3' splice sites within the intron are masked by the presence of a functional downstream 3' splice site. Disruption of the AU-rich elements upstream from the normal 3' splice site indicates that multiple AU elements between -66 and -6 cooperatively define the 3' boundary of the intron. These results are consistent with a model for plant intron recognition in which AU-rich elements spread throughout the length of the intron roughly define the intron boundaries by generating strong AU transition points. Functional 3' splice sites located downstream from these AU-rich sequences are preferentially selected over sites embedded within them.
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Lou, H., A. J. McCullough, and M. A. Schuler. "3' splice site selection in dicot plant nuclei is position dependent." Molecular and Cellular Biology 13, no. 8 (August 1993): 4485–93. http://dx.doi.org/10.1128/mcb.13.8.4485-4493.1993.

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In contrast to mammalian and yeast systems, the mechanism for intron recognition and splice site selection in plant pre-mRNAs is poorly understood. Splice site sequences and putative branchpoint sequences are loosely conserved in plant introns compared with other eukaryotes. Perhaps to compensate for these variations, plant introns are significantly richer in adenosine and uridine residues than are their adjacent exons. To define elements critical for 3' splice site selection in dicotyledonous plant nuclei, pre-mRNA transcripts containing intron 3 of the maize Adh1 gene were expressed in Nicotiana benthamiana nuclei by using an autonomously replicating plant expression vector. Using a series of intron rearrangements which reposition the 3' intron-exon border, we demonstrate that the normal 3' splice site is defined in a position-dependent manner and that cryptic 3' splice sites within the intron are masked by the presence of a functional downstream 3' splice site. Disruption of the AU-rich elements upstream from the normal 3' splice site indicates that multiple AU elements between -66 and -6 cooperatively define the 3' boundary of the intron. These results are consistent with a model for plant intron recognition in which AU-rich elements spread throughout the length of the intron roughly define the intron boundaries by generating strong AU transition points. Functional 3' splice sites located downstream from these AU-rich sequences are preferentially selected over sites embedded within them.
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Dissertations / Theses on the topic "Selection of critical elements"

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De, Silva Dilrini R. "Characterising selection in Conserved Noncoding Elements (CNEs)." Thesis, Queen Mary, University of London, 2014. http://qmro.qmul.ac.uk/xmlui/handle/123456789/26983.

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Comparative genomic studies have identified noncoding regions of the genome which are often more highly conserved between species than protein-coding sequences. One possible explanation for this conservation of non-coding sequences is some form of selective constraint since sequence conservation at great evolutionary depths is a preliminary indication of functional constraint. Here, I consider nearly 2500 putative regulatory elements, termed Conserved Noncoding Elements (CNEs), that are conserved across seven vertebrate species (human, macaque, mouse, chicken, frog, zebrafish and fugu). I distinguish between CNEs that show accelerated rates of evolution and those that have remained more constrained throughout evolution, and identify CNEs that show higher than expected substitution rates in the human lineage that may be potential candidates of adaptive evolution. However, it is not trivial to demonstrate the action of selection on such sequences. It is relatively easier in the case of protein-coding DNA, since selection would be predicted to result in different rates of substitution for synonymous and non-synonymous sites. Hence, I use the same seven species to define phylogenetically invariant positions in CNEs in contrast to those that have at least one substitution and analyse them independently to determine if there is a positive correlation between evolutionary conservation and the strength of purifying selection at individual sites. In the 1000 Genomes, but not the HapMap, data I find a significant excess of rare derived alleles in CNEs relative to coding sequences. This excess of rare alleles can be best explained if selection is relatively consistent across sites, with most mutations resulting in a similar reduction in fitness. Finally, I explore patterns of variation in the allele-frequencies within human populations, however do not detect any significant differences in the underlying distribution of negatively selected variants among human populations.
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Olson, Theodore E. "Parish council guidelines elements for a critical evaluation /." Theological Research Exchange Network (TREN), 1988. http://www.tren.com.

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Jacobson, Steven P. "Initiating residential learning communities: Critical elements and practice." Scholarly Commons, 2007. https://scholarlycommons.pacific.edu/uop_etds/2352.

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This study examined methods and practices utilized in planning residential learning communities at three large, state-funded, research-oriented universities. Much research has been conducted on the ability of residential learning communities to enhance student learning and retention but little research has been done on how these programs are initiated. This study focused on interviews with founders and initiators and archival documents from the Residential College at the University of Michigan, Freshman Interest Groups program at the University of Missouri-Columbia, and the Residential Freshman Interest Groups program at the University of Oregon. Rogers' organizational decision of innovations theory provided the conceptual framework for this qualitative study. This study found four critical elements for initiating residential learning communities: (1) the utilization of a representative planning committee (2) shared beliefs and faculty-faculty interaction, (3) campus champions with authority or expertise acknowledged by others (4) willingness among planning committee to adapt to changing circumstances. One unanticipated finding was the impetus for residential learning communities. While all three campuses sought to improve student connectedness, successful residential learning communities originated from fiscal concerns about underutilized campus housing as well as a desire to strengthen the rigor of undergraduate education. A second unanticipated finding was the relatively small role that institutional goals and missions played in initiating this innovation at the three sites. Initiators and founders of residential learning communities were less influenced by formal institutional mission statements than by an immediate fiscal or student development concern. Residential learning communities are one approach to integrating the resources of a large university with the intimacy of a small residential college. As large institutions strive to embrace academic as well as personal development for students, this research can guide campuses in effective planning.
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Wessel, Judith Ann. "Critical elements of the state extension specialists position /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487262825074435.

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Champion, de Crespigny Fleur E. "The role of selfish genetic elements in sexual selection." Thesis, University of Leeds, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.421442.

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曾慶慈 and Hing-chi Tsang. "A critical study of supernatural elements in Yuan drama." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1990. http://hub.hku.hk/bib/B31210028.

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Weitsz, Marijke (Marijke Adriana). "Learning & knowledge : critical elements to sustained competitive advantage." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53485.

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Thesis (MPhil)--Stellenbosch University, 2003.
ENGLISH ABSTRACT: The increased rate of competitive challenges imposed on organisations by global economy, technological product changes, processes (Dixon, 1992; Dodgson, 1993), and abundance of information available (Huber 1991) necessitate organisations to unlearn, learn and relearn faster than others to survive. The development of sustainable competitive advantages is a vital management function and an important organisational requirement is to nurture learning and create new knowledge enabling organisations to exploit, develop and utilise resources better than rivals do. This paper originated from the need identified in my company that learning and use of new knowledge are essential elements to sustain competitive advantage. At the moment this is not the case and the challenges imposed on the organisation regarding technological advancements and rapid local and global environmental changes, has already negatively impacted the organisation's competitive position. Today learning is being experiences as just another expense and the use of new knowledge is not visible, as a matter of fact knowledge is being confused with information. Information is being "recycled"; in other words more of the same is shared and used within the organisation. Hardly any new knowledge is generated as the same minds that created problems are being used to solve them. In my opinion both learning and knowledge are strategic organisational requirements which must be nurtured and managed to (i) ensure return on investments, and (ii) strengthen the organisations future competitive position. The focus of the paper is to contribute to a deeper understanding of learning and knowledge, the linkage between individuals, organisations and learning loop approaches. Barriers preventing learning and use of knowledge will be identified as well as how the use of knowledge forms the foundation to achieve sustained competitive advantages to outsmart, outmaneuver and outwit the competition. Keywords: Knowledge; learning; organisational learning; competitive advantage; learning approaches, organisational barriers.
AFRIKAANSE OPSOMMING: Die snel veranderende kompeterende uitdagings waaraan maatskappy vandag blootgestel word, bv globalisering, ekonomiese impak, tegnologiese produk en proses veranderinge asook die oorvloed inligting wat beskikbaar is, vereis dat maatskappye hul leerprosesse mbt "unlearn, learn and relearn" vinniger moet toepas om kompterend te bly. Die ontwikkeling van kompeterende voordele is 'n kern bestuursfunksie en 'n belangrike voorvereiste tov die organisatoriese leerproses en skepping van nuwe kennis om 'n voorsprong bo die konkurrente te bewerkstellig. Die oorspronklike idee vir die skripsie het binne my eie maatskappy ontstaan, waar die tekortkominge mbt die gefokusde daarstelling en gebruik van nuwe kennis, vir die behoud van 'n mark leierskap posisie, tans nie sigbaar is nie. Die snel veranderende tegnologiese en ekonomiese eksterne omgewing het reeds 'n negatiewe en detrimentele impak op die maatskappy gehad. Vandag is die leerkurwe en gebruik van nuwe kennis binne die maatskappy nie 'n fokus area nie. Kennis word tans met inligting verwar en dieselfde persone verantwoordelik vir die oorsaak/skep van probleme word gebruik om probleme op te los, maw inligting word "gehersirkuleer" binne die maatskappy. Die doel van die skripsie is om 'n bydrae te maak mbt die raakvlakke tussen die onderskeie leer benaderings, kennis, individue en die maatskappy en hoe die onderskeie benaderings by die leerproses inpas. Hindernisse wat die gebruik van kennis kan inhibeer en beperk word ge-identifiseer en laastens word die fokus op hoe die gebruik van kennis en kundigheid die basis kan vorm vir die verkryging van onderhoudende kompeterende voordele, geplaas.
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Kauffman, Syndi. "STORY ELEMENTS: WHICH IMPACT CHILDREN'S READING INTERESTS?" Connect to this title online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=bgsu1120575730.

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Harasim, Tomáš. "Návrh diagnostické soustavy pro malý dopravní letoun." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231664.

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Due to the airliners and aircraft operators pressure on reducing the operating costs, the diagnostic systems are included in aircraft, so that the wearness of single functional elements of other functional systems can be monitored. This monitoring can save money, that are usually spent on maintenance and especially, it leads to an increase of the overall safety of aircraft operations. The task of this work is to design a diagnostic system for small transport aircraft. For the right and proper design, is the correct understanding of the functions of each part on aircraft systems needed. The part of this work is attended to the selection procedure of appropriate diagnostic parameters, next section deals with the suitable options of their scanning. I do mention the summary of the chosen diagnostic parameters for the scanning and the recomended ways of their measuring.
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Afonso, Elisabete Luís. "Recovery of technology-critical elements using a graphene based nanocomposite." Master's thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/22404.

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Mestrado em Engenharia Química
Os Elementos terras raras (ETR), inseridos no grupo dos elementos críticos de tecnologia, são definidos pela nomenclatura IUPAC como os 15 lantanídeos em conjunto com o ítrio e o escândio. Devido às suas propriedades únicas, os ETR podem ser utilizados em inúmeras aplicações de cariz tecnológico, o que tem contribuído para um aumento contínuo da sua procura. No entanto, a sua extração e processamento é um processo difícil e dispendioso, causando diversos problemas ambientais. Nesse contexto, uma alternativa, mais económica e amiga do ambiente ao atual processo de obtenção dos ETR, poderá passar pela sua recuperação de efluentes e rios, através de processos de separação, nomeadamente adsorção (e/ou permuta iónica). Esta técnica é bastante versátil, eficiente, simples e bastante adaptável. Nos últimos anos, o grafeno bidimensional, um dos mais recentes tipos de nanoestruturas de carbono, tem sido amplamente explorado numa vasta gama de aplicações. No entanto, o seu uso como adsorvente para recuperação de ETR tem sido pouco investigado. Por outro lado, os materiais magnéticos apresentam propriedades físicas e químicas únicas, com especial foco na química de superfície. Aproveitando os benefícios do grafeno e das nanopartículas de magnetite, nesta dissertação de mestrado será abordada uma estratégia simples, baseada em interações electroestáticas, para preparação de um nanocompósito magnético à base de grafeno (MG-bN). Após a síntese, o nanocompósito foi estudado como adsorvente para a remoção de três dos mais importantes ETR, lantânio (La(III)), európio (Eu(III)) e térbio (Tb(III)), em soluções aquosas mono elementares e ternárias através de experiências em descontínuo. Os resultados revelaram que a adsorção de La(III), Eu(II) e Tb(III) pelo nanocompósito é muito sensível ao pH da solução e, as maiores percentagens de remoção ocorrem para valores de pH alcalinos. O nanocompósito em estudo apresenta uma rápida e elevada eficiência de adsorção, sendo que uma hora é suficiente para remover 82 % de Tb(III), 73 % de Eu(III) e 59 % de La(III) em soluções mono elementares com uma concentração inicial de 0.1 mg L-1 e utilizando apenas 50 mg L-1 de MG-bN. Já para soluções ternárias, a eficiência de remoção é um pouco mais baixa (30-58 %). A cinética do processo de adsorção foi estudada usando três modelos cinéticos, nomeadamente os modelos de pseudo-primeira e pseudo-segunda ordem bem como o modelo de Elovich. O modelo de pseudo-segunda ordem foi o que apresentou um melhor ajuste aos valores experimentais para soluções mono elementares (R2 > 0.99 e AARD < 5 %). Para soluções ternárias tanto o modelo de pseudo-segunda ordem como o de Elovich ajustam bem os dados experimentais (R2 > 0.99 e AARD < 6%). Em todos os ensaios efetuados, o equilíbrio de adsorção foi ajustado pelo modelo de Langmuir e pelo modelo de Freundlich. A capacidade estimada do MG-bN para os elementos em estudo é maior em comparação com os valores relatados na literatura para outros adsorventes já estudados na recuperação dos mesmos elementos. A aplicação do MG-bN para a adsorção de lantânio, európio e térbio a partir de soluções aquosas confirma que este nanocompósito tem potencial para ser usado em sistemas de recuperação de elementos terras raras.
Rare-earth elements (REE), also known as Technology-critical elements, are defined by the IUPAC nomenclature, as the 15 lanthanides together with yttrium and scandium. Due to their unique properties REE can be widely used in many high-tech applications. The demand for REEs is continually growing, but mining and processing these elements are difficult, expensive and originate environmental issues. Due to their huge application, the presence of REE was recently detect in waste waters and rivers. Under this context, a cheaper and environmentally friendly alternative to obtain REE is the recovery of these elements from effluents and/or rivers by adsorption (and/or ion exchange). This technique is very versatile, efficient, has straightforward design and a wide adaptability. In recent years, two-dimensional graphene, one of the newest type of carbon nanostructures has been extensively explored in a wide range of fields. However, its use as an adsorbent for REE recovery has been less investigated. On the other hand, magnetic materials are of considerable interest in material chemistry because of their unique physical and outstanding surface chemistry properties. Taking advantage of the combined benefits of graphene and magnetite nanoparticles, in this research a simple strategy based on electrostatic interactions, for preparing Fe3O4 /graphene based nanocomposite (MG-bN) is reported. The nanocomposite was then used as sorbent for the removal of lanthanum (La(III)), europium (Eu(III)) and terbium (Tb(III)), from single and ternary solutions, by carrying out batch experiments. Results have revealed that La(III), Eu(III) and Tb(III) uptake by the nanocomposite is very sensitive to solution pH and the highest efficiency occurs in alkaline media. The MG-bN shows fast and high adsorption efficiency, and 1 hour is sufficient to remove ca. 82 % of Tb(III), 73 % of Eu(III) and 59 % of La(III) from single solutions with an initial concentration of 0.1 mg L-1 and using only 50 mg L-1 of MG-bN. For ternary lanthanides solutions, the removal efficiency was lower (30-58 %). The adsorption kinetics of the lanthanides was modelled by pseudo first-order Lagergren, pseudo-second order and Elovich models, three of the most well-known and widely applied kinetic models. The pseudo-second order model was the one that better describe the uptake process for unary solutions (R2 > 0.99 e AARD < 5 %). For ternary solutions both pseudo-first order and Elovich models are the ones that better describe the uptake process (R2 > 0.99 e AARD < 6%). The adsorption equilibrium was fitted by Langmuir and Freundlich isotherms. The estimated adsorption capacity of MG-bN for the lanthanides studied is higher than the values reported in literature for the sorption capacity of other adsorbents. The application of the MG-bN for the uptake of lanthanum, europium and terbium from aqueous solutions confirms that this nanocomposite has potential to be used to recover rare-earth elements
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Books on the topic "Selection of critical elements"

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Saunders, Peter. Elements of critical analysis. (Singapore): EPB Publishers, 1987.

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The elements of critical reading. New York: Macmillan Pub. Co., 1991.

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Root, Frank S. Law enforcement intelligence critical elements. [San Luis Obispo, Calif.?]: F.S. Root, 2006.

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Selection & recruitment: A critical text. New York: Palgrave Macmillan, 2004.

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Riley, Mary Ann K. Clinical nursing interventions with critical elements. New York: Wiley, 1986.

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Namwambah, Tom N. Elements and pedagogy of critical thinking. Nairobi, Kenya]: Dale Publishers, 2007.

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Elements of critical thinking and writing. 3rd ed. Mason, OH: Thomson Custom Solutions, 2006.

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The elements of reasoning. New York: Macmillan, 1991.

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A, Eberly Rosa, ed. The elements of reasoning. 2nd ed. Boston: Allyn and Bacon, 2000.

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Macnicol, R. D. Critical tissue concentration of potentially toxic elements. The Hague: Nijhoff, 1985.

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Book chapters on the topic "Selection of critical elements"

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Chernyshova, Irina, Derrick Bakuska, and Sathish Ponnurangam. "Selective Recovery of Critical and Toxic Elements from Their Low-Concentrated Solutions Using Surface-Based Electrochemical Separation Methods." In Multidisciplinary Advances in Efficient Separation Processes, 115–65. Washington, DC: American Chemical Society, 2020. http://dx.doi.org/10.1021/bk-2020-1348.ch005.

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Wall, Frances. "Rare earth elements." In Critical Metals Handbook, 312–39. Oxford: John Wiley & Sons, 2013. http://dx.doi.org/10.1002/9781118755341.ch13.

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Ştefănescu, Dan Mihai. "Elastic Elements Selection Criteria." In Handbook of Force Transducers, 563–76. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-18296-9_34.

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Zumpe, Doris, and Richard P. Michael. "Sexual Selection." In Notes on the Elements of Behavioral Science, 221–36. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-1239-4_13.

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Rapp, Donald. "Critical Mars Mission Elements." In Human Missions to Mars, 183–272. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22249-3_5.

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Hastie, Trevor, Robert Tibshirani, and Jerome Friedman. "Model Assessment and Selection." In The Elements of Statistical Learning, 1–41. New York, NY: Springer New York, 2008. http://dx.doi.org/10.1007/b94608_7.

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Hastie, Trevor, Robert Tibshirani, and Jerome Friedman. "Model Assessment and Selection." In The Elements of Statistical Learning, 219–59. New York, NY: Springer New York, 2008. http://dx.doi.org/10.1007/978-0-387-84858-7_7.

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Hastie, Trevor, Jerome Friedman, and Robert Tibshirani. "Model Assessment and Selection." In The Elements of Statistical Learning, 193–224. New York, NY: Springer New York, 2001. http://dx.doi.org/10.1007/978-0-387-21606-5_7.

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Ludwig, Wolfgang, and Claus Falter. "Selection Rules and Matrix Elements." In Springer Series in Solid-State Sciences, 183–202. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-97029-0_8.

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Ludwig, Wolfgang, and Claus Falter. "Selection Rules and Matrix Elements." In Springer Series in Solid-State Sciences, 183–202. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-79977-8_8.

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Conference papers on the topic "Selection of critical elements"

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Ingistov, Steve, and Douglas Nagy. "Testing and Acceptance of Semi-Machined Turbine Rotor Forging Elements." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-60028.

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Abstract Turbine wheels are critical elements and the integrity of their forgings is extremely important. The procurement of wheel forgings utilized oversized outside diameters in order to provide ample amount of material from which test material was cut out. Test specimens were produced in accordance with relevant ASTM standards. Test specimens were divided into three groups; tension, impact and hardness / metallography. Tension and impact tests at sub-zero, room and elevated temperatures were conducted in presence of owner’s inspectors at an independent certified laboratory. Once all specimens passed the tests, the semi-machined forgings were released to the machining facility. Machined forgings were then sent for over-speed tests at sub-zero and elevated temperatures. Over-speed testing under sub-zero temperature was the ultimate test of the forgings. Over-speed testing of the forgings under elevated temperatures served to minimize residual tensile stresses at the bore of the wheel and convert them to beneficial compressive stresses. The above described tests of turbine Elements forging are critical when the owner selects third party producers to reverse engineer and manufacture these elements. This paper details the selection of the tests, the execution of the owner’s acceptance testing program, especially the over-speed tests, and how this helps to ensure the high integrity of critical rotating elements for a mid-size heavy industrial frame gas turbine.
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Castegnaro, Stefano. "A Critical Analysis of the Differences Among Design Methods for Low-Speed Axial Fans." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-64276.

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Some methodological differences exist among the design methods for axial-flow fans. These differences generate confusion in the mind of the unexperienced fan designer, who is unaware of which method ensures the achievement of the required pressure rise at highest efficiency. In this work three important differences that appear comparing the classic methods of fan blading design are highlighted and analyzed: i) the choice of the airfoil, ii) the choice of the solidity distribution, and iii) the computation of the stagger angle of the blade elements. A fourth aspect regards the selection of the rotor number of blades. This aspect is treated in relation to the dubious applicability of the drag annulus correlation by Howell to low hub-to-tip ratio fan design and analysis. CFD simulations are performed on three case-study rotor-only fans, comparing blades systematically designed varying the airfoils (British C4 vs American NACA-65), the solidity distribution (Diffusion Factor criterion against the arbitrary selection of the blade-element lift coefficient) and the computation of the stagger angle (with respect to the inlet flow velocity or the mean one). The accuracy of XFOIL-predicted data at low Reynolds number (e.g., 300000) in designing small-to-medium fans is discussed as well. For each of the previous design aspects, results suggest the best indication among those suggested in the classic literature to achieve fan requirements.
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Chatterton, S., P. Borghesani, P. Pennacchi, and A. Vania. "Optimal Frequency Band Selection for the Square Envelope Spectrum in the Diagnostics of Rolling Element Bearings." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-35088.

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Diagnostics of rolling element bearings is usually performed by means of a second-order cyclostationary tool applied to the vibration signal, due to the stochastic nature of the contact between the defect and the bearing rolling elements. The most used and simple method is the Envelope Analysis that is based on the identification of bearing damage frequency components in the so-called Square Envelope Spectrum. The main critical point of this technique is the selection of a suitable frequency band for the demodulation of the vibration signal. The most used approach for the frequency band selection is based on the evaluation of the band-Kurtosis index by mean of diagrams as the frequently used Fast Kurtogram or the more recent Protrugram. Both of them may fail in the selection of the optimal frequency band when other vibration sources affect the Kurtosis index. Also critical is the constancy in the time of this optimal band. In the paper, an experimental case of a bearing damage is investigated and an alternative approach for the filter band selection, the so-called “PeaksMap”, will be proposed by the authors and compared with the ones available in the literature.
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Sham, T. L., and Robert I. Jetter. "A Design Based Approach to Material Selection for Advanced High Temperature Reactor Components." In ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65102.

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Material selection decisions for advanced reactor concepts are frequently based on simple consideration of required wall thickness for a particular component and the resultant cost based on averaged cost per unit, usually by weight. However, this approach does not take into consideration the overall impact of other material properties on design feasibility. An example would be the interrelated roles of thermal conductivity, thermal expansion and creep-strength on the design of components to withstand cyclic and sustained loading. The problem is that this would nominally require a detailed design and loading definition. However, as presented herein, a meaningful comparison can be achieved by selective evaluation of the ratios of the material properties required to achieve a particular performance goal for a particular design objective; for example, the relative ability to accommodate axial thermal gradients in a pressurized cylindrical vessel. This paper covers the development of such critical parametric ratios for a number of component elements and loadings and illustrates their application.
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Mohitpour, Mo, Hemant Solanky, and Gopala K. Vinjamuri. "Materials Selection and Performance Criteria for Hydrogen Pipeline Transmission." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-2564.

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As a part of worldwide Hydrogen Fuel Initiatives, hydrogen fuel cell technology (US DOE 2003) is being championed as a viable resource while at the same time recognizing that the production, transmission and end use distribution of hydrogen gas will be the most critical elements. The application of fuel cell technology when fully developed is expected to dominate power and auto industries worldwide. As the demand for hydrogen increases, issues related to the safe design and economic construction of hydrogen supply and transportation infrastructure will emerge as critical path items requiring serious consideration. One of the barriers for viable hydrogen economy is that the current guidelines in various codes and standards and regulations are not adequate for the required service conditions for hydrogen transportation and delivery. Thus is the requirement for Multi-Year Research, Development and Demonstration Plan (MYPP) for the development of codes and standards to support hydrogen economy, (US DOE, 2002 & 2003). Although for many decades within the chemical industry, hydrogen in various forms has been transported by various modes, including pipelines, tank cars, mobile re-charges etc., the service conditions and transport requirements are significantly different when developing more economical methods for large volume hydrogen transportation. As industry moves quickly to implement an economical and effective pipeline infrastructure, either with new construction or by converting existing pipeline, understanding of material selection and performance, joining/welding, and establishing consensus for codes and standards are critical. Additionally, government regulations must be developed to ensure acceptable safety levels and public acceptance. The purpose of this paper is to identify current materials used in hydrogen service, their applicability and limitations, and to develop materials selection and performance criteria for designing safe hydrogen pipeline transmission infrastructure to support the development of hydrogen codes and standards, initiated by ASME (2003). Additionally, some critical future materials research areas are identified. In particular, this paper will give attention to higher strength pipeline steels (i.e. API 5LX Grade 65 and higher), quenched and tempered steels, stainless steels, as well as those alloy steels used for pressure vessels and piping. Recent development of composite reinforced line pipe (CRLP™) has the potential as viable alternative to use of very high strength thermo-mechanically treated line pipe steels, but many issues related design parameters, construction and maintenance require research and development.
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Weiss, Brian A., and Linda C. Schmidt. "Multi-Relationship Evaluation Design: Formalizing Test Plan Input and Output Elements for Evaluating Developing Intelligent Systems." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47971.

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Advanced and intelligent systems within the manufacturing, military, homeland security, and automotive fields are constantly under development or improvement. Testing the performance of these technologies is critical to (1) notify the system designers of specific areas for improvement, (2) solicit end-user feedback, and (3) validate the extent of a technology’s capabilities. Evaluation designers have expended considerable effort in devising methodologies to stream-line the development of test plans in support of performance evaluation. The Multi-Relationship Evaluation Design (MRED) methodology is being developed to take multiple inputs from numerous input source categories and automatically output evaluation blueprints that specify the test characteristics. The MRED methodology is being created to have numerous advantages over current test design methods including 1) creating test plans to appraise both quantitative and qualitative performance of technologies that incorporate both human-controlled and autonomous capabilities, 2) speeding the test plan and implementation cycle to improve the effectiveness of a technology’s development cycle, and 3) factor in unknown and uncertain test plan input data. This paper will present the following: the MRED model will be discussed; detailed definitions and relevant relationships of the stakeholder input category will be presented; the output test plan element of evaluation personnel will be defined and their constraints discussed; the stakeholders’ influence on determining the selecting evaluation personnel will be presented including its initial formulation; and several examples of this cause (stakeholder preferences) and effect (evaluation personnel selection) relationship will be highlighted in two unique technology test plans.
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Wang, Xiaozhi, Haihong Sun, and Zhan Cheng. "Methods for Fatigue Assessment of Critical Ship Details." In ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/omae2004-51630.

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Fatigue assessment, as part of ship design, was not required until about 10 years ago, due to the increasing use of high strength steel and demand for minimizing structure weight. As early as 1993, ABS (American Bureau of Shipping) published Guidance on fatigue strength assessment of tankers (the latest version of the Guide can be found in [1]). Since then, ship design has been developed with more optimization involved, as a balance of cost, steel weight and safety. Consequently, fatigue assessment has become a more and more important factor in ship design. There are various methods, design codes and recommended practices on fatigue design and assessment of welded structures. Industries have tried to organize Joint Industry Projects (JIPs) to further develop the method or see the possibility of harmonizing the codes or practices. Individuals have also made their efforts to provide information from view points of designers, operators or regulators. This paper addresses some of the available methods applicable for critical ship details through the case studies of bilge knuckle joint of an oil tanker and a side longitudinal/frame connection of an FPSO. Various methods of hot spot stress calculation including mesh size schemes and element type selection will be evaluated and comparison of fatigue lives from the hot spot stress methods with associated S-N curves will be made with the experimental data.
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Salmi, Anas, Jayavardhan Dhulia, Joshua D. Summers, Pierre David, and Eric Blanco. "Methods for Selecting Level of Automation: A Critical Comparison of Approaches and Integrated Proposal." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46285.

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The purpose of this paper is to first review and then propose methods for determining the appropriate levels of automation for assembly operations. Based on a literature review in decision making methods, an evaluation against method requirements is made. The analysis shows that no single method fulfills all the defined requirements, yet two methods are identified that jointly address all the requirements: Boothroyd’s and Dewhurst (B&D) method and the Dynamo method. B&D and Dynamo methods are then combined into a new method, exploiting elements of each. An additional step for graphical modeling of the assembly processes using the Assembly Sequence Modeling Language (ASML) is integrated to facilitate alternative exploration. This newly proposed method is discussed and revealed promising in the field of assembly systems Level of Automation (LoA) measurement and improvement.
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Wolodko, J., and D. DeGeer. "Critical Local Buckling Conditions for Deepwater Pipelines." In 25th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/omae2006-92173.

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In many deepwater pipeline applications, a clear understanding of pipe local buckling behaviour due to excessive bending and/or external pressure is required to adequately design subsea pipeline systems to an acceptable degree of risk. With ultra-deepwater pipelines being considered for water depths of nearly 3000 m, pipe collapse, in many instances, will govern design. For example, bending loads imposed on the pipeline near the seabed (sagbend region) during installation will reduce the external pressure resistance of the pipeline, and this design case will influence (and generally govern) the final selection of an appropriate pipeline wall thickness. To date, the deepest operating pipelines have been laid using the J-lay method, where the pipeline departs the lay vessel in a near-vertical orientation, and the only bending condition resulting from installation is near the touchdown point in the sagbend. More recently, however, the S-lay method is being considered for installation of pipelines to water depths of nearly 2800 m. During deepwater S-lay, the pipeline originates in a horizontal orientation, bends around a stinger located at the stern or bow of the vessel, and then departs the lay vessel in a near-vertical orientation. Thus, during S-lay, the installed pipe experiences bending around the stinger (overbend region), followed by combined bending and external pressure in the sagbend region. In view of these bending and external pressure loading conditions, analytical work was performed to better understand the local buckling behaviour of thick-walled linepipe due to bending, and the influence of bending on pipe collapse. Variables considered in the analytical evaluations include pipe material properties, geometric properties, pipe thermal treatment, the definition of critical strain, and imperfections such as ovality and girth weld offset. Presented is the finite element analysis (FEA) model developed to perform the assessments, validation of the model, the results of analyses and correlations to experimental data.
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Zhang, Aimin, and Yalun Kang. "Design of U3Si2-Al Plate-Type Fuel Element for China Advanced Research Reactor." In 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-29231.

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China Advanced Research Reactor (CARR), which will be critical in China Institute of Atomic Energy (CIAE) in 2010, is a multipurpose, high neutron flux and tank-type (inverse neutron trap) reactor with compact core. Its nominal reactor power is 60MW and the maximum thermal neutron flux is about 8.0×1014n/cm2·s in heavy water tank. It has a cylindrical core having a diameter of about 450mm and a height of 850mm. The CARR’s core consists of seventeen plate-type standard fuel elements and four follower fuel elements, initially loaded with 10.97 kg of 235U. The fuel element has been designed with U3S2-Al dispersion containing 235U of (19.75±0.20)wt.% low enriched uranium (LEU) and having a density of 4.3gU/cm3. The aluminum alloy is used as the cladding. There are twenty-one and seventeen fuel plates in the standard and follower fuel element, respectively. There are specific requirements for design of the fuel element and strict limitation for the operation parameters due to the high heat flux and high velocity of coolant in CARR. Irradiation test of fuel element had been carried out at fuel element power of 3.1±20%MW at Russia MIR reactor. Average burnup of fuel element is up to 40%. This paper deals with the detailed design of fuel element for CARR, out-pile and in-pile test projects, including selection of fuel and structure material, description of element structure, miniplates and fuel element irradiation experiment, measurement of properties of fuel plate, fabrication of fuel element and test results.
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Reports on the topic "Selection of critical elements"

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Steward, Darlene M. Critical Elements of Vehicle-to-Grid (V2G) Economics. Office of Scientific and Technical Information (OSTI), September 2017. http://dx.doi.org/10.2172/1390043.

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Lamb, S. A. The Court-Martial Panel Member Selection Process: A Critical Analysis. Fort Belvoir, VA: Defense Technical Information Center, April 1992. http://dx.doi.org/10.21236/ada456700.

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Kiel, Johnathan, Maomian Fan, Eric Holwitt, and Veronica Sorola. Aptamer Selection Express: A Rapid Single-Step Selection of Double Stranded DNA Capture Elements (Briefing Charts). Fort Belvoir, VA: Defense Technical Information Center, July 2009. http://dx.doi.org/10.21236/ada541515.

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Savageau, Michael A. Selection and Computational Potential of Gene Control Elements and Their Circuitry. Fort Belvoir, VA: Defense Technical Information Center, May 2001. http://dx.doi.org/10.21236/ada389769.

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Bailey, Craig S. Critical Elements and Needs for Nuclear Weapons Maintenance: A Delphi Study. Fort Belvoir, VA: Defense Technical Information Center, June 2012. http://dx.doi.org/10.21236/ada562498.

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Culora, Thomas J. Japanese Operational Plans in World War 2: Shortfalls in Critical Elements. Fort Belvoir, VA: Defense Technical Information Center, February 1994. http://dx.doi.org/10.21236/ada279663.

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Machida, Yuichi, and Anindya Dutta. Mapping Critical DNA Sequence Elements Required for Amplification of erbB2 in Breast Cancer. Fort Belvoir, VA: Defense Technical Information Center, May 2003. http://dx.doi.org/10.21236/ada416606.

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Machida, Yuichi, and Anindya Dutta. Mapping Critical DNA Sequence Elements Required for Amplification of erbB2 in Breast Cancer. Fort Belvoir, VA: Defense Technical Information Center, May 2002. http://dx.doi.org/10.21236/ada406150.

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Blessington, M. J., M. B. Werdon, S. S. Seitz, and K. M. Mulliken. Digital compilation of geochemical data for historical samples from occurrences of strategic and critical elements in Alaska: Part I - Rare-earth elements (REE). Alaska Division of Geological & Geophysical Surveys, December 2016. http://dx.doi.org/10.14509/29473.

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Reioux, D. A., M. B. Werdon, S. S. Seitz, and K. M. Mulliken. Digital compilation of geochemical data for historical samples from occurrences of strategic and critical elements in Alaska: Part II - Platinum group elements (PGE). Alaska Division of Geological & Geophysical Surveys, December 2016. http://dx.doi.org/10.14509/29474.

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