Relevant bibliographies by topics / Multiplication factor

Contents

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

Academic literature on the topic 'Multiplication factor'

Author: Grafiati
Published: 4 June 2021
Last updated: 14 February 2022

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Journal articles on the topic "Multiplication factor"

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DEHWAH, AHMAD H., IDRIS A. AJIA, and JOHN S. MARSLAND. "EMPIRICAL FORMULAE FOR EXCESS NOISE FACTOR WITH DEAD SPACE FOR SINGLE CARRIER MULTIPLICATION." Fluctuation and Noise Letters 10, no. 03 (September 2011): 315–21. http://dx.doi.org/10.1142/s0219477511000600.

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In this letter, two empirical equations are presented for the calculation of the excess noise factor of an avalanche photodiode for single carrier multiplication including the dead space effect. The first is an equation for calculating the excess noise factor when the multiplication approaches infinity as a function of parameters that describe the degree of the dead space effect. The second equation can be used to find the minimum value of the excess noise factor for any multiplication when the dead space effect is completely dominant, the so called "deterministic" limit. This agrees with the theoretically known equation for multiplications less than or equal to two.
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Gao, Liang, Weilin Liu, Xiangfei Chen, and Jianping Yao. "Photonic-assisted microwave frequency multiplication with a tunable multiplication factor." Optics Letters 38, no. 21 (October 31, 2013): 4487. http://dx.doi.org/10.1364/ol.38.004487.

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Endo, Tomohiro, Akio Yamamoto, and Yoshihiro Yamane. "Detected-neutron multiplication factor measured by neutron source multiplication method." Annals of Nuclear Energy 38, no. 11 (November 2011): 2417–27. http://dx.doi.org/10.1016/j.anucene.2011.01.007.

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Mil'cho, M. V., and B. P. Yefimov. "Electron Beam Modulation for Frequency Multiplication with a High Multiplication Factor." Telecommunications and Radio Engineering 55, no. 6-7 (2001): 13. http://dx.doi.org/10.1615/telecomradeng.v55.i6-7.130.

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Ooi, Tat Lung Wesley, Pei Ling Cheang, Ah Heng You, and Yee Kit Chan. "Mean multiplication gain and excess noise factor of GaN and Al0.45Ga0.55N avalanche photodiodes." European Physical Journal Applied Physics 92, no. 1 (October 2020): 10301. http://dx.doi.org/10.1051/epjap/2020200067.

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In this work, Monte Carlo model is developed to investigate the avalanche characteristics of GaN and Al0.45Ga0.55N avalanche photodiodes (APDs) using random ionization path lengths incorporating dead space effect. The simulation includes the impact ionization coefficients, multiplication gain and excess noise factor for electron- and hole-initiated multiplication with a range of thin multiplication widths. The impact ionization coefficient for GaN is higher than that of Al0.45Ga0.55N. For GaN, electron dominates the impact ionization at high electric field while hole dominate at low electric field whereas Al0.45Ga0.55N has hole dominate the impact ionization at higher field while electron dominate the lower field. In GaN APDs, electron-initiated multiplication is leading the multiplication gain at thinner multiplication widths while hole-initiated multiplication leads for longer widths. However for Al0.45Ga0.55N APDs, hole-initiated multiplication leads the multiplication gain for all multiplication widths simulated. The excess noise of electron-initiated multiplication in GaN APDs increases as multiplication widths increases while the excess noise decreases as the multiplication widths increases for hole-initiated multiplication. As for Al0.45Ga0.55N APDs, the excess noise for hole-initiated multiplication increases when multiplication width increases while the electron-initiated multiplication increases with the same gradient at all multiplication widths.
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Niikura, Setsuo, and Masayuki Nagami. "Enhancement of fusion power multiplication factor." Fusion Engineering and Design 6 (January 1988): 109–22. http://dx.doi.org/10.1016/s0920-3796(88)80097-8.

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Samedov, Victor V. "Charge Multiplication Factor in STJ Detectors." Journal of Superconductivity and Novel Magnetism 28, no. 2 (September 19, 2014): 705–9. http://dx.doi.org/10.1007/s10948-014-2781-z.

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Landeyro, Pedro A., and Tadeusz Zoltowski. "Some Findings in Neutron Multiplication Factor Monitoring." Nuclear Science and Engineering 104, no. 2 (February 1990): 183–87. http://dx.doi.org/10.13182/nse90-a23714.

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Sanchez, Richard. "Some bounds for the effective multiplication factor." Annals of Nuclear Energy 31, no. 11 (July 2004): 1207–18. http://dx.doi.org/10.1016/j.anucene.2004.03.007.

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Kuboyama, S., N. Ikeda, T. Hirao, and S. Matsuda. "Enhanced avalanche multiplication factor and single-event burnout." IEEE Transactions on Nuclear Science 50, no. 6 (December 2003): 2233–38. http://dx.doi.org/10.1109/tns.2003.820730.

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Dissertations / Theses on the topic "Multiplication factor"

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Qureshi, Fahad. "Optimization of Rotations in FFTs." Doctoral thesis, Linköpings universitet, Elektroniksystem, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-74702.

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The aims of this thesis are to reduce the complexity and increasethe accuracy of rotations carried out inthe fast Fourier transform (FFT) at algorithmic and arithmetic level.In FFT algorithms, rotations appear after every hardware stage, which are alsoreferred to as twiddle factor multiplications. At algorithmic level, the focus is on the development and analysisof FFT algorithms. With this goal, a new approach based on binary tree decompositionis proposed. It uses the Cooley Tukey algorithm to generate a large number ofFFT algorithms. These FFT algorithms have identical butterfly operations and data flow but differ inthe value of the rotations. Along with this, a technique for computing the indices of the twiddle factors based on the binary tree representation has been proposed. We have analyzed thealgorithms in terms of switching activity, coefficient memory size, number of non-trivial multiplicationsand round-off noise. These parameters have impact on the power consumption, area, and accuracy of the architecture.Furthermore, we have analyzed some specific cases in more detail for subsets of the generated algorithms. At arithmetic level, the focus is on the hardware implementation of the rotations.These can be implemented using a complex multiplier,the CORDIC algorithm, and constant multiplications. Architectures based on the CORDIC and constant multiplication use shift and add operations, whereas the complex multiplication generally uses four real multiplications and two adders.The sine and cosine coefficients of the rotation angles fora complex multiplier are normally stored in a memory.The implementation of the coefficient memory is analyzed and the best possible approaches are analyzed.Furthermore, a number of twiddle factor multiplication architectures based on constant multiplications is investigated and proposed. In the first approach, the number of twiddle factor coefficients is reduced by trigonometric identities. By considering the addition aware quantization method, the accuracy and adder count of the coefficients are improved. A second architecture based on scaling the rotations such that they no longer have unity gain is proposed. This results in twiddle factor multipliers with even lower complexity and/or higher accuracy compared to the first proposed architecture.
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Rodrigues, Letícia Jenisch. "Fatores de Dancoff de celulas unitarias em geometria Cluster com absorção parcial de nêutrons." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/28965.

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O fator de Dancoff, em sua formulação clássica, corrige a corrente de nêutrons incidente na superfície de uma vareta combustível devido à presença das demais varetas da célula. Alternativamente, esse fator pode ser interpretado como a probabilidade de um nêutron oriundo de uma vareta de combustível entrar em outra vareta sem colidir no moderador ou no revestimento. Para combustíveis perfeitamente absorvedores essas definições são equivalentes. Entretanto, quando se assume a hipótese de absorção parcial no combustível, essa equivalência não se verifica. Então, os fatores de Dancoff devem ser determinados em termos de probabilidades de colisão. Ao longo dos últimos anos, vários trabalhos, usando ambas as definições, vêm relatando melhorias no cálculo dos fatores Dancoff. Neste trabalho, esses fatores são determinados através do método de probabilidades de colisão para células em geometria cluster com contorno externo quadrado, assumindo-se absorção total (Black Dancoff Factors) e parcial (Grey Dancoff Factors) no combustível. A validação dos resultados é feita através de comparações com a célula cilíndrica equivalente. O cálculo é realizado considerando-se reflexão especular, para a célula quadrada, e condição de contorno difusa (white) para a célula cilíndrica equivalente. Os resultados obtidos, com o aumento do tamanho das células, evidenciam o comportamento assintótico da solução. Além disso, são computados fatores de Dancoff para as células canadenses CANDU-37 e CANFLEX por ambas as metodologias de cálculo, direta e probabilística. Finalmente, os fatores de multiplicação efetivo, keff, para as células com contorno externo quadrado e a cilíndrica equivalente, são determinados e as diferenças registradas para os casos onde se assumem as hipóteses de absorção total e parcial.
In its classical formulation, the Dancoff factor for a perfectly absorbing fuel rod is defined as the relative reduction in the incurrent of resonance neutrons into the rod in the presence of neighboring rods, as compared to the incurrent into a single fuel rod immersed in an infinite moderator. Alternatively, this factor can be viewed as the probability that a neutron emerging from the surface of a fuel rod will enter another fuel rod without any collision in the moderator or cladding. For perfectly absorbing fuel these definitions are equivalent. In the last years, several works appeared in literature reporting improvements in the calculation of Dancoff factors, using both the classical and the collision probability definitions. In this work, we step further reporting Dancoff factors for perfectly absorbing (Black) and partially absorbing (Grey) fuel rods calculated by the collision probability method, in cluster cells with square outer boundaries. In order to validate the results, comparisons are made with the equivalent cylindricalized cell in hypothetical test cases. The calculation is performed considering specularly reflecting boundary conditions, for the square lattice, and diffusive reflecting boundary conditions, for the cylindrical geometry. The results show the expected asymptotic behavior of the solution with increasing cell sizes. In addition, Dancoff factors are computed for the Canadian cells CANDU-37 and CANFLEX by the Monte Carlo and Direct methods. Finally, the effective multiplication factors, keff, for these cells (cluster cell with square outer boundaries and the equivalent cylindricalized cell) are also computed, and the differences reported for the cases using the perfect and partial absorption assumptions.
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Guillouet, Stéphane. "Étude cinétique et physiologique de Corynebacterium glutamicum sous stress osmotique." Vandoeuvre-les-Nancy, INPL, 1996. http://docnum.univ-lorraine.fr/public/INPL_T_1996_GUILLOUET_S.pdf.

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L’objectif général de ce travail est l'étude du comportement cinétique et physiologique de Corynebacterium glutamicum en croissance dans des conditions de stress osmotique. Cette étude comporte quatre parties au cours desquelles les cinétiques de croissance et d'accumulation des métabolites intracellulaires sont présentées pour différents modes et conditions de culture. Nous avons mis en évidence les événements physiologiques successifs à un choc hyperosmotique lors de cultures discontinues et continues. Ainsi l'élévation de la pression osmotique externe entraine une diminution de la vitesse spécifique de la croissance et du rendement de croissance sur glucose. À la suite du choc osmotique, une accumulation transitoire d'ions sodium ou potassium a été observée suivant l'osmolyte dépresseur utilisé. Par la suite, Corynebacterium glutamicum accumule de manière importante de la proline. Nous avons montré que le contenu cellulaire en proline varie proportionnellement avec l'osmolarité du milieu et avec la vitesse spécifique de croissance. Une accumulation intracellulaire de tréhalose a également été observée en réponse au choc osmotique lors des cultures continues. Cette synthèse de tréhalose est augmentée lorsque la voie de biosynthèse de la proline est affectée, par exemple, lors de cultures continues sous limitation ammonium et potassium ou lors de cultures discontinues d'une souche génétiquement modifiée bradytrophe pour la proline. L’accumulation de ces différents métabolites entraine une augmentation de la pression osmotique intracellulaire proportionnelle à l'osmolarité du milieu. Par ailleurs, nous avons observé que la pression de turgescence (différence entre la pression osmotique intracellulaire et extracellulaire) est liée à la vitesse spécifique de croissance et non pas à l'osmolarité du milieu. Ces résultats suggèrent que la pression de turgescence est la force motrice de la croissance bactérienne sous stress osmotique. Enfin, l'établissement de bilans osmotiques a permis de vérifier que les principaux intervenants dans la réponse osmotique ont été identifiés
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Morrison, Vivienne Frances. ""You have to find a way to glue it in your brain": children's views on learning multiplication facts." Thesis, University of Canterbury. Education, 2007. http://hdl.handle.net/10092/1059.

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While there has been research on development of multiplicative reasoning, and how to teach multiplication facts, there is little research on how children consider they learn these. This study explores the children's learning as they consider how they commit their multiplication facts to memory, discover calculation strategies and develop multiplicative thinking. A group of eleven Year 4 children (8 years old) participated in a series of 13 lessons where they became coresearchers in the exploration of their learning. A contextually based thematic approach was provided through 'Crocodilian Studies'. The mixed-method approach to this study included formal assessment, participant observation, individual interviews, the children's written ideas, and individual case studies. The most significant finding of this study was the powerful influence of peer learning. The children enriched and directed each other's learning as they shared ideas and reflected on their own mathematical learning as they observed and critiqued the thinking of peers. As the children were involved in thinking about how they learn they were able to identify gaps and construct their own learning pathways. A significant finding was that children can develop their multiplicative strategies while they commit their multiplication facts to memory, in a relatively short time provided that the learning process facilitates strategy development and understanding. By exposing the children to multiplication facts in sequenced clusters provided them with a manageable number of facts to be learnt at one time. Another finding related to how children develop calculation strategies through lesson activities rather than being explicitly taught them. The children considered practice important for memorisation. Parental support was significant in enriching the children's learning.
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Maarri, Khalil al. "Micropropagation in vitro du pommier (M9), du poirier ("williams" et "passe crassane") et du cognassier de Provence : problèmes posés par l'état physiologique du matériel." Paris 6, 1986. http://www.theses.fr/1986PA066057.

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Au cours du travail présenté dans ce mémoire, nous sommes parvenus à obtenir, de façon systématique, la micropropagation in vitro et l'acclimatation ex vitro non seulement des poiriers juvéniles issus de pépins de "passe crassane", mais aussi du cognassier de Provence et de deux cultivars de poirier, "williams" et "passe crassane". Les conditions de culture concernant les différentes phases de la micropropagation et l'acclimatation ont été étudiées. Plusieurs problèmes d'ordre physiologique (dormance des bourgeons in vitro, anomalie des pousses formées, nécrose des apex) ont pu être surmontés ou limités.
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Khoza, Samukelisiwe Nozipho Purity. "Characteristic behaviour of pebble bed high temperature gas-cooled reactors during water ingress events / Samukelisiwe Nozipho Purity Khoza." Thesis, North-West University, 2012. http://hdl.handle.net/10394/8706.

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The effect of water ingress in two pebble bed high temperature gas-cooled reactors i.e. the PBMR-200 MWthermal and the PBMR-400 MWthermal were simulated and compared using the VSOP 99/05 suite of codes. To investigate the effect of this event on reactivity, power profiles and thermal neutron flux profiles, the addition of partial steam vapour pressures in stages up to 400 bar into the primary circuit for the PBMR-400 and up to 300 bar for the PBMR- 200 was simulated for both reactors. During the simulation, three scenarios were simulated, i.e. water ingress into the core only, water ingress into the reflectors only and water ingress into both the core and reflectors. The induced reactivity change effects were compared for these reactors. An in-depth analysis was also carried out to study the mechanisms that drive the reactivity changes for each reactor caused by water ingress into the fuel core only, the riser tubes in the reflectors only and ingress into both the fuel core and the riser tubes in the reflectors. The knowledge gained of these mechanisms and effects was used in order to propose design changes aimed at mitigating the reactivity increases, caused by realistic water ingress scenarios. Past results from simulations of water ingress into Pebble Bed Reactors were used to validate and verify the present simulation approach and results. The reactivity increase results for both reactors were in agreement with the German HTR-Modul calculations.
Thesis (MSc (Engineering Sciences in Nuclear Engineering))--North-West University, Potchefstroom Campus, 2013
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Besnard, François. "Culture et caracterisation des oligodendrocytes de rat : effets des facteurs de croissance." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13179.

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Luciani-Sentier, Nathalie. "Optimisation d'un système de traduction in vitro : rôle des molécules oxydantes sur la synthèse protéique acellulaire." Nancy 1, 1994. http://www.theses.fr/1994NAN10340.

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Ce travail a été réalisé dans le but d'optimiser le système de traduction in vitro de germe de blé. L'arrêt prématuré de la synthèse protéique dans un tel système est lié à une limitation en oxygène du milieu réactionnel, puisque l'augmentation de la surface d'échange entre milieu de traduction et atmosphère augmente la synthèse protéique. La quantité de protéines synthétisées ainsi que la vitesse de traduction sont augmentées lorsqu'on enrichit le milieu en oxygène. Lorsqu'on ajoute du peroxyde d'hydrogène au milieu de traduction, on observe le même effet qu'avec l'oxygène, on peut donc penser que la stimulation de la synthèse protéique observée est liée aux propriétés oxydantes communes aux deux molécules. Lorsque les molécules oxydantes participent à des réactions d'oxydoréduction, des radicaux libres sont formés. Ces radicaux libres, et principalement l'anion superoxyde, sont impliqués dans la traduction in vitro, hypothèse renforcée par l'inhibition de la synthèse protéique en présence d'agents chélateurs de fer, ainsi que par l'effet positif d'un ajout de système générateur de radicaux libres et par l'effet négatif de celui d'enzymes bloquant les radicaux libres
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Mičian, Peter. "Bezpečnost skladování paliva ve vodním prostředí." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-377026.

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This diploma thesis deals with storing the spent nuclear fuel and reviewing its safety. The theoretical part analyzes the processes taking place while the fuel is being used, such as fission, isotopic changes, fission gas release, cracking, swelling and densification of fuel pellet. The thesis is also focused on handling the spent fuel and on the way it makes from the reactor, through the spent fuel pool, the transportation, various kinds of storing, till the reprocessing and final deep geological repository. Furthermore, this part of the thesis briefly discusses computing code MCNP, its main characteristics, input files and using. The practical part of the work is focused on creating the model of the spent fuel pool located next to the nuclear reactor WWER 440/V213. This type was chosen, because it is the most used type of nuclear reactor in Czech Republic and Slovakia. With the help of the code MCNP, the multiplication factor of the main configurations of the fuel in the pool was calculated, and then the required safety regulations to ensure sufficient subcriticality, so its safety, were checked. Next, several analysis were performed using this model. These analyses were concerning the temperature of coolant, fuel and the use of various nuclear data libraries. In the future this model can be used to realize new analyses with new kinds of fuels, materials and data libraries.
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Perraud, Frédéric. "Effets des facteurs de croissance fibroblastiques (fgf) et d'autres facteurs de croissance sur la proliferation et la maturation des cellules astrogliales de rat." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13091.

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Books on the topic "Multiplication factor"

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Kukukina, Irina, and Irina Astrahanceva. Accounting and analysis of bankruptcies. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/949490.

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The textbook introduces the history of the formation of the institute of bankruptcy, conducting reorganization and liquidation procedures in a crisis, diagnosing the financial condition of an enterprise based on situational and coefficient analysis, multiplicative factor models for assessing the threat of bankruptcy, methods for assessing the value of an insolvent enterprise, as well as accounting for operations related to bankruptcy procedures. The possibilities of an integrated approach to the development of a strategy for overcoming the crisis and choosing ways to restructure a bankrupt enterprise are considered. Meets the requirements of the federal state educational standards of higher education of the latest generation. For teachers, postgraduates and students of higher educational organizations, employees of analytical services, anti-crisis managers.
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Quinones, Alejandro. Hacking the TIMES TABLES - Jumping Jack X: Transform Any Multiplication Fact from 3 to 12 into Another One with the Easy 5 or 10 Factor. Independently Published, 2019.

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Fosnot, Catherine Twomey, and Miki Jensen. Box Factory: Extending Multiplication with the Array. Heinemann, 2008.

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Lawrence, H. S. Multiplication: Factors 1-12 (Puzzles and Practice Series). Garlic Press, 1992.

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Warnick, Theresa. One Minute Math Level B Multiplication Factors 6 - 9. Frank Schaffer, 2001.

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Warnick, Theresa. Multiplication : Factors 0 to 5, Grades 2 - 3: Developmental Drill. Carson-Dellosa Publishing, LLC, 2014.

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One minute math Level A Multiplication: Factors 0 to 5. Frank Schaffer, 2001.

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Multiplication: Unlock the Biblical Factors to Multiply Your Effectivenes in Leadership & Ministry. Charisma House, 1997.

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Multiplication: Unlock the Biblical Factors to Multiply Your Effectiveness in Ministry and Business. Strang Communications Company, 2002.

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Hobbs, Richard. Primary Prevention of Coronary Heart Disease. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780199544769.003.0002.

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• Coronary heart disease (CHD) is the leading cause of death and disability in the world• The evidence base for the causes of CHD and for the interventions which reduce CHD risk is huge• Since CHD is multi-factorial, risk factors tend to co-exist in many patients, and are multiplicative in their influence on overall risk, making identifying people at highest risk clinically difficult• CHD risk scores have been developed, based on observed CHD rates amongst well-phenotyped patient cohorts followed up over years. These express absolute risk over a defined period and are the most practical method for determining which people have the most to gain from treatment interventions• Evidence-based interventions include smoking cessation, lifestyle modification in terms of diet and exercise, anti-hypertensives for elevated blood pressure, and ‘statins’ for hyperlipidaemia• Clinical guidelines for CHD prevention provide recommendations on specific targets for blood pressure and lipid-lowering therapy.
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Book chapters on the topic "Multiplication factor"

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Masterson, Robert E. "The Neutron Multiplication Factor, the Reactivity, and the Four-Factor Formula." In Introduction to Nuclear Reactor Physics, 399–438. Boca Raton : Taylor & Francis, a CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa, plc, [2017]: CRC Press, 2017. http://dx.doi.org/10.1201/9781315118055-9.

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Pyeon, Cheol Ho. "Introduction." In Accelerator-Driven System at Kyoto University Critical Assembly, 1–12. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0344-0_1.

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AbstractAt the Kyoto University Critical Assembly (KUCA), the accelerator-driven system (ADS) is composed of a solid-moderated and solid-reflected core (A-core) and a pulsed-neutron generator (14 MeV neutrons) or the fixed-filed alternating gradient (FFAG) accelerator (100 MeV protons). At KUCA, two external neutron sources, including 14 MeV neutrons and 100 MeV protons, are separately injected into the A-core, and employed for carrying out the ADS experiments. With the combined use of the A-core and two external neutron sources, basic and feasibility studies of ADS have been engaged in the examination of neutronics of ADS, through the measurements of statics and kinetics parameters of reactor physics, including subcritical multiplication factor, subcriticality, prompt neutron decay constant, effective delayed neutron fraction, neutron spectrum, and reaction rates.
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Pyeon, Cheol Ho. "Neutron Spectrum." In Accelerator-Driven System at Kyoto University Critical Assembly, 125–56. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0344-0_5.

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AbstractThe subcritical multiplication factor is considered an important index for recognizing, in the core, the number of fission neutrons induced by an external neutron source. In this study, the influences of different external neutron sources on core characteristics are carefully monitored. Here, the high-energy neutrons generated by the neutron yield at the location of the target are attained by the injection of 100 MeV protons onto these targets. In actual ADS cores, liquid Pb–Bi has been selected as a material for the target that generates spallation neutrons and for the coolant in fast neutron spectrum cores. The neutron spectrum information is acquired by the foil activation method in the 235U-fueled and Pb–Bi-zoned fuel region of the core, modeling the Pb–Bi coolant core locally around the central region. The neutron spectrum is considered an important parameter for recognizing information on neutron energy at the target. Also, the neutron spectrum evaluated by reliable methodologies could contribute to the accurate prediction of reactor physics parameters in the core through numerical simulations of desired precision. In the present chapter, experimental analyses of high-energy neutrons over 20 MeV are conducted after adequate preparation of experimental settings.
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del Carmen Chamorro, Maria. "Can We Explain Students’ Failure in Learning Multiplication?" In Teaching Multiplication with Lesson Study, 265–89. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28561-6_11.

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AbstractTeaching multiplication is a compulsory topic in elementary education mathematics programs. Much time is dedicated to teaching multiplication tables and algorithms, obtaining mediocre results. Recent investigations in neuroscience suggest that our way of teaching is not congruent with how the brain works and, as such, important changes should be made in teaching of numerical facts and algorithms. Additionally, other kinds of calculation, like mental calculation and calculations with a calculator, have not yet reached the level of importance of their use in education that citizens require in a contemporary society.
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Taraghi, Behnam, Matthias Frey, Anna Saranti, Martin Ebner, Vinzent Müller, and Arndt Großmann. "Determining the Causing Factors of Errors for Multiplication Problems." In Communications in Computer and Information Science, 27–38. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22017-8_3.

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Montagnier, L. "Factors Controlling the Multiplication of Untransformed and Transformed BHK2I Cells Under Various Environmental Conditions." In Ciba Foundation Symposium - Growth Control in Cell Cultures, 33–44. Chichester, UK: John Wiley & Sons, Ltd., 2008. http://dx.doi.org/10.1002/9780470719817.ch4.

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Shimura, Goro. "On elliptic curves with complex multiplication as factors of the Jacobians of modular function fields." In Collected Papers, 449–58. New York, NY: Springer New York, 2002. http://dx.doi.org/10.1007/978-1-4612-2076-3_13.

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Higgins, Peter M. "5. The algebra of polynomials and cubic equations." In Algebra: A Very Short Introduction, 53–74. Oxford University Press, 2015. http://dx.doi.org/10.1093/actrade/9780198732822.003.0005.

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Polynomials are expressions of the form p(x) = a0 + a1x + a2x2 + ... + anxn; the number ai is the coefficient of xi, a 0 is the constant term of p(x), and an is the leading coefficient. The underlying algebra of polynomials mirrors that of the integers. Polynomials can be added, subtracted, and multiplied, and the laws of associativity and commutativity and the distributive law of addition over multiplication all hold. Division is more complicated. ‘The algebra of polynomials and cubic equations’ outlines the Remainder and Factor Theorems along with complex numbers in the Argand plane. The factorization of polynomials, the Rational Root Theorem, the Conjugate Root Theorem, and solution of cubic equations are also discussed.
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Shen, Wei, and Benjamin Rouben. "CANDU Reactor.Physics Analysis Methods and Computer Codes." In Fundamentals of CANDU Reactor Physics, 113–31. ASME, 2021. http://dx.doi.org/10.1115/1.884836_ch11.

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Reactor physics aims to understand accurately the reactivity and the distribution of all the reaction rates (most importantly of the power), and their rate of change in time, for any reactor configuration. To do this, the multiplication factor (or, equivalently, reactivity) and the neutron-flux distribution under various operating conditions and at different times need to be calculated repeatedly. Most of the other parameters of interest (such as neutron reaction rates, power, heat deposition, etc.) are derived from them. They are governed by the geometry, the material composition and the nuclear data (i.e., the neutron cross sections, their energy dependence, the energy spectra and the angular distributions of secondary particles, etc.). For radiation-shielding calculations, additional photon interactions and coupled neutron-photon interaction data are required.
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Lipscombe, Trevor Davis. "Arithmetical Advice." In Quick(er) Calculations, 1–6. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198852650.003.0001.

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This chapter presents advice on how to avoid simple mistakes when performing mental calculations at high speed. It includes a method to speed up the rate at which you recite your multiplication tables. This can save fractions of a second, which, in an exam with many such multiplications, can be crucial. It urges neat handwriting, and shows the superfluity of zeros at the end, or decimal points in the middle of a number, provided you make estimates before calculating an answer. It presents a quick look at factors, which can slash seconds from the time it take to multiply and divide, and introduces the art of shunting.
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Conference papers on the topic "Multiplication factor"

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Kobayakawa, Takeshi S. "Spectral subtraction using elliptic integral for multiplication factor." In Interspeech 2005. ISCA: ISCA, 2005. http://dx.doi.org/10.21437/interspeech.2005-253.

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Hung, Yu-Han, and Sheng-Kwang Hwang. "Photonic millimeter-wave frequency multiplication with tunable multiplication factor utilizing period-one dynamics of semiconductor lasers." In 2014 International Topical Meeting on Microwave Photonics (MWP) jointly held with the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP). IEEE, 2014. http://dx.doi.org/10.1109/mwp.2014.6994538.

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Singh, Shashwat, Jatin, Neeta Pandey, and Rajeshwari Pandey. "Precision Capacitance Multiplier with Low Power and High Multiplication Factor." In 2018 5th International Conference on Signal Processing and Integrated Networks (SPIN). IEEE, 2018. http://dx.doi.org/10.1109/spin.2018.8474039.

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Sun, C. C., A. H. You, and E. K. Wong. "Multiplication gain and excess noise factor in 4H-SiC APD." In 2012 10th IEEE International Conference on Semiconductor Electronics (ICSE). IEEE, 2012. http://dx.doi.org/10.1109/smelec.2012.6417162.

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You, A. H., L. C. Low, and P. L. Cheang. "Avalanche Multiplication and Excess Noise Factor of Heterojunction Avalanche Photodiodes." In 2006 IEEE International Conference on Semiconductor Electronics. IEEE, 2006. http://dx.doi.org/10.1109/smelec.2006.381074.

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Zaher, Maiass, and Sandor Molnar. "On the Impact of the Multiplication Decrease Factor of QUIC." In 2018 International Symposium on Networks, Computers and Communications (ISNCC). IEEE, 2018. http://dx.doi.org/10.1109/isncc.2018.8530990.

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You, A. H., S. L. Tan, T. L. Lim, and P. L. Cheang. "Multiplication gain and excess noise factor in double heterojunction avalanche photodiodes." In 2008 IEEE International Conference on Semiconductor Electronics (ICSE). IEEE, 2008. http://dx.doi.org/10.1109/smelec.2008.4770319.

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Chang, Mengxu, and Yang Chen. "Generation of Phase-Coded Microwave Signals With a Tunable Frequency Multiplication Factor." In 2018 Asia Communications and Photonics Conference (ACP). IEEE, 2018. http://dx.doi.org/10.1109/acp.2018.8595998.

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Qureshi, Fahad, Syed Asad Alam, and Oscar Gustafsson. "4k-point FFT algorithms based on optimized twiddle factor multiplication for FPGAs." In Electronics (PrimeAsia). IEEE, 2010. http://dx.doi.org/10.1109/primeasia.2010.5604921.

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Al-Absi, Munir Ahmad, and Abdulaziz Ahmed Al-Khulaifi. "A New High Multiplication Factor Tunable Grounded Positive and Negative Capacitance Simulator." In 2018 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS). IEEE, 2018. http://dx.doi.org/10.1109/apccas.2018.8605684.

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Reports on the topic "Multiplication factor"

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Talamo, Alberto, and Yousry Gohar. Neutron Detector Signal Processing to Calculate the Effective Neutron Multiplication Factor of Subcritical Assemblies. Office of Scientific and Technical Information (OSTI), June 2016. http://dx.doi.org/10.2172/1340494.

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Romero, Stephen. On Verification of Multiplication Facts: An Investigation Using Retrospective Protocols. Fort Belvoir, VA: Defense Technical Information Center, September 1997. http://dx.doi.org/10.21236/ada337482.

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Amzeri, Achmad, B. S. DARYONO, and M. SYAFII. GENOTYPE BY ENVIRONMENT AND STABILITY ANALYSES OF DRYLAND MAIZE HYBRIDS. SABRAO Journal of Breeding and Genetics, September 2020. http://dx.doi.org/10.21107/amzeri.2020.2.

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The phenotypic analysis of new candidate varieties at multiple locations could provide information on the stability of their genotypes. We evaluated the stability of 11 maize hybrid candidates in five districts in East Java Province, Indonesia. Maize hybrids with high yield potential and early maturity traits derived from a diallel cross were planted in a randomized complete block design with two checks (Srikandi Kuning and BISI-2) as a single factor with four replicates. The observed traits were grain yield per hectare and harvest age. The effects of environment, genotype, and genotype × environment interaction on yield were highly significant (P < 0.01). KTM-1, KTM-2, KTM-4, KTM-5, and KTM-6 showed higher average grain yield per hectare than the checks (Srikandi Kuning = 8.49 ton ha−1 and BISI-2 = 7.32 ton ha−1) at five different locations. The average harvest age of 11 candidates was less than 100 days. KTM-4 and KTM-5 had production yields that were higher than the average yield of all genotypes in all environments (Yi > 7.78 tons ha−1) and were considered stable on the basis of three stability parameters, i.e., Finlay–Wilkinson, Eberhart–Russell, and additive main effect multiplicative interaction (AMMI). KTM-2 had the highest yield among all tested genotypes (9.33 ton ha−1) and was considered as stable on the basis of AMMI but not on the basis of Finlay–Wilkinson and Eberhart–Russell. KTM-1 performed well only in Pamekasan, whereas KTM-6 performed well only in Sampang. Thus, these two genotypes could be targeted for these specific locations.
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