Готові списки джерел за темами / Shape dependence

Добірка наукової літератури з теми "Shape dependence"

Автор: Grafiati
Опубліковано: 14 березня 2023

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Статті в журналах з теми "Shape dependence"

1

Li, Ying, Yongfeng Li, and Tianxing Wang. "The Size and Shape Dependence of Ferromagnetism in Nanomagnets." Journal of Nanomaterials 2012 (2012): 1–6. http://dx.doi.org/10.1155/2012/897203.

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The size and shape dependence of dynamic behaviors of nanomagnets is studied by the kinetic Monte Carlo method based on the transition state theory. We analyze the hysteresis curves of the nanomagnet systems with different shapes (or spin array patterns) in the presence of an external magnetic field. The results show that the magnetization of the chain-shaped nanomagnet is more sensitive to the applied field than that of the oblong-shaped or bulk-shaped systems. For the same magnetic nanostructure, the coercive field presents an exponential decay with temperature. Moreover, the coercive field is found to be strongly dependent on the effective coordination number, which has different values corresponding to those systems of different size and shapes (spin array patterns).
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2

Jenison, Rick L., and Richard A. Reale. "The Shape of Neural Dependence." Neural Computation 16, no. 4 (April 1, 2004): 665–72. http://dx.doi.org/10.1162/089976604322860659.

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The product-moment correlation coefficient is often viewed as a natural measure of dependence. However, this equivalence applies only in the context of elliptical distributions, most commonly the multivariate gaussian, where linear correlation indeed sufficiently describes the underlying dependence structure. Should the true probability distributions deviate from those with elliptical contours, linear correlation may convey misleading information on the actual underlying dependencies. It is often the case that probability distributions other than the gaussian distribution are necessary to properly capture the stochastic nature of single neurons, which as a consequence greatly complicates the construction of a flexible model of covariance. We show how arbitrary probability densities can be coupled to allow greater flexibility in the construction of multivariate neural population models.
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3

Wu, Qiong, Hairui Zhang, Wei Zhao, and Xilu Zhao. "Shape Optimum Design by Basis Vector Method Considering Partial Shape Dependence." Applied Sciences 10, no. 21 (November 5, 2020): 7848. http://dx.doi.org/10.3390/app10217848.

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Regarding the case of complicated structural shape optimization, there are cases where there are partial shapes such as holes and irregularities inside the structure. Concerning the complex structural optimization shape, the relationship between the external boundary shape and the internal local shape should be maintained, and how to change the internal partial shape while maintaining a subordinate relationship with the external form has become an important issue. Currently, there is no good solution to this kind of problem using general optimization design software. Therefore, this paper proposes to use the basic vector method to solve the local shape dependency problem of partial shapes. First, this paper classifies the subordinate problems of partial shape into three primary patterns, theoretically proving a method for controlling subordinate relationships of partial forms, respectively. Then, the research also provides two classical application examples: shape optimization of a steam turbine implantation section and stress distribution optimization of an engine mount bracket. The results show that the optimization method is effective for the partial shape subordination problem in complex structural shape optimization problems. Finally, the study examines the problem of making a vectorial vector, a correlation between the basis vector and the remeshing problem of the analysis model in shape optimization, and further substantiates the validity of the method proposed by the body using the analysis result of the actual structural shape optimization case.
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4

Arteca, Gustav A., and Paul G. Mezey. "Configurational dependence of molecular shape." Journal of Mathematical Chemistry 10, no. 1 (1992): 329–71. http://dx.doi.org/10.1007/bf01169181.

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5

Vázquez-Martín, Sandra, Thomas Kuhn, and Salomon Eliasson. "Shape dependence of snow crystal fall speed." Atmospheric Chemistry and Physics 21, no. 10 (May 18, 2021): 7545–65. http://dx.doi.org/10.5194/acp-21-7545-2021.

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Abstract. Improved snowfall predictions require accurate knowledge of the properties of ice crystals and snow particles, such as their size, cross-sectional area, shape, and fall speed. The fall speed of ice particles is a critical parameter for the representation of ice clouds and snow in atmospheric numerical models, as it determines the rate of removal of ice from the modelled clouds. Fall speed is also required for snowfall predictions alongside other properties such as ice particle size, cross-sectional area, and shape. For example, shape is important as it strongly influences the scattering properties of these ice particles and thus their response to remote sensing techniques. This work analyzes fall speed as a function of particle size (maximum dimension), cross-sectional area, and shape using ground-based in situ measurements. The measurements for this study were done in Kiruna, Sweden, during the snowfall seasons of 2014 to 2019, using the ground-based in situ instrument Dual Ice Crystal Imager (D-ICI). The resulting data consist of high-resolution images of falling hydrometeors from two viewing geometries that are used to determine particle size (maximum dimension), cross-sectional area, area ratio, orientation, and the fall speed of individual particles. The selected dataset covers sizes from about 0.06 to 3.2 mm and fall speeds from 0.06 to 1.6 m s−1. Relationships between particle size, cross-sectional area, and fall speed are studied for different shapes. The data show in general low correlations to fitted fall speed relationships due to large spread observed in fall speed. After binning the data according to size or cross-sectional area, correlations improve, and we can report reliable parameterizations of fall speed vs. particle size or cross-sectional area for part of the shapes. For most of these shapes, the fall speed is better correlated with cross-sectional area than with particle size. The effects of orientation and area ratio on the fall speed are also studied, and measurements show that vertically oriented particles fall faster on average. However, most particles for which orientation can be defined fall horizontally.
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6

Antoniammal, Paneerselvam, and Dakshanamoorthy Arivuoli. "Size and Shape Dependence on Melting Temperature of Gallium Nitride Nanoparticles." Journal of Nanomaterials 2012 (2012): 1–11. http://dx.doi.org/10.1155/2012/415797.

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The study of variation of the size and shape effect on the melting property of gallium nitride nanoparticles with their spherical and cylindrical geometrical feature is theoretically explored. A numerical thermodynamical model has been devoted for the study. A comparative investigation is made between the two shapes, at the range of ~3 nm dia. The cylindrical GaN nanoparticles, whose melting point has been reported to decrease with decreasing particle radius, become larger than spherical-shaped nanoparticles. The melting temperature obtained in the present study is in line with the function of radius of curvature.
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7

Vázquez-Martín, Sandra, Thomas Kuhn, and Salomon Eliasson. "Shape Dependence of Falling Snow Crystals’ Microphysical Properties Using an Updated Shape Classification." Applied Sciences 10, no. 3 (February 9, 2020): 1163. http://dx.doi.org/10.3390/app10031163.

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We present ground-based in situ snow measurements in Kiruna, Sweden, using the ground-based in situ instrument Dual Ice Crystal Imager (D-ICI). D-ICI records dual high-resolution images from above and from the side of falling natural snow crystals and other hydrometeors with particle sizes ranging from 50 μ m to 4 mm. The images are from multiple snowfall seasons during the winters of 2014/2015 to 2018/2019, which span from the beginning of November to the middle of May. From our images, the microphysical properties of individual particles, such as particle size, cross-sectional area, area ratio, aspect ratio, and shape, can be determined. We present an updated classification scheme, which comprises a total of 135 unique shapes, including 34 new snow crystal shapes. This is useful for other studies that are using previous shape classification schemes, in particular the widely used Magono–Lee classification. To facilitate the study of the shape dependence of the microphysical properties, we further sort these individual particle shapes into 15 different shape groups. Relationships between the microphysical properties are determined for each of these shape groups.
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8

Burrage, Clare, Edmund J. Copeland, Adam Moss, and James A. Stevenson. "The shape dependence of chameleon screening." Journal of Cosmology and Astroparticle Physics 2018, no. 01 (January 31, 2018): 056. http://dx.doi.org/10.1088/1475-7516/2018/01/056.

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9

van Dijk, W., M. W. Kermode, and S. A. Moszkowski. "Shape dependence of the deuteron radius." Physical Review C 49, no. 2 (February 1, 1994): 895–900. http://dx.doi.org/10.1103/physrevc.49.895.

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10

Buff, Frank P. "Shape dependence of the grand potential." International Journal of Quantum Chemistry 22, S16 (June 19, 2009): 671. http://dx.doi.org/10.1002/qua.560220864.

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Дисертації з теми "Shape dependence"

1

Weir, Brian S. "MONTE CARLO SIMULATIONS OF SHAPE DEPENDENCE IN MAGNETIC ANTIDOT ARRAYS." Miami University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=miami1155065484.

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2

Dinsdale, Michael J. "The scheme-dependence of power correction fits to event shape observables." Thesis, Durham University, 2005. http://etheses.dur.ac.uk/3011/.

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A recent analysis by the DELPHI collaboration showed that if one uses an "optimised" choice of renormalization scale, some e+e(^-) event shape means can be described without significant power corrections. Motivated by this, in this thesis optimised scales (and schemes) are applied to similar observables. First, abrief review of QCD and scale/scheme optimisation is given. Then, the distributions of the e+e(^-) event shapes l-thrust and heavy-jet mass are studied within the Method of Effective Charges, including performing a next-to-leading log resummation of the effective charge beta function. There is some reduction in the apparent size of power corrections, but the resummed results behave pathologically in the 2-jet limit. Next, the Principle of Minimal Sensitivity is applied to the choice of renormalization and factorization scales for event shape means defined in the Breit frame of ep BIS. This has little effect on the perturbative predictions and large power corrections are still required. However, if one introduces separate renormalization scales for the qγ* and gγ* sub-processes, a substantial reduction in the size of the power corrections is seen for most observables.
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3

Huang, Weimin. "Shape memory alloys and their application to actuators for deployable structures." Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299009.

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4

Morgan, Katharine Elizabeth. "The scale dependence of perturbative QCD predictions for e+e− event shape moments and LHC observables." Thesis, Durham University, 2013. http://etheses.dur.ac.uk/6374/.

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Perturbative QCD predictions that are truncated at fixed order have an unphysical dependence on the renormalisation procedure. We investigate two methods of avoiding scale and scheme dependence in QCD predictions of physical observables: the Effective Charges (ECH) method and the Principle of Minimal Sensitivity (PMS). The ECH method is used to avoid the renormalisation scale and scheme dependence of fixed-order predictions of event shape moments. Values of αs(MZ) are extracted from e+e− data using both ECH and the physical scale method in the MS scheme. The ECH method at NLO is found to perform better than standard MS perturbation theory (MS PT) when applied to means of event shapes. However ECH at NNLO functions less well than at NLO, and the ECH method also fails to describe data for higher moments of event shapes. Pad ́e Approximant methods are used to estimate missing higher orders in the perturbative expansions, a technique that works especially well for MS PT applied to the higher moments. We also examine the effect of adding non-perturbative power corrections to the perturbative approximations. It is found that power corrections are insufficient to counteract the undesirable behaviour of ECH at NNLO. The PMS method is used to provide predictions of the b ̄b and tt ̄total cross-sections at the Tevatron and the LHC. Hadronic cross-sections depend on the factorisation scale as well as the renormalisation scale. PMS is applied by searching for stationary points on the cross-section surface in the space of the two scales. The PMS method predicts substantially larger b ̄b cross-sections than using standard diagonal scale choices. For tt ̄ production, however, there is very little difference observed between the two methods. Both produce predictions that are in good agreement with the current experimental data.
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5

Saghaian, Sayed M. "SHAPE MEMORY BEHAVIOR OF SINGLE CRYSTAL AND POLYCRYSTALLINE Ni-RICH NiTiHf HIGH TEMPERATURE SHAPE MEMORY ALLOYS." UKnowledge, 2015. http://uknowledge.uky.edu/me_etds/65.

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NiTiHf shape memory alloys have been receiving considerable attention for high temperature and high strength applications since they could have transformation temperatures above 100 °C, shape memory effect under high stress (above 500 MPa) and superelasticity at high temperatures. Moreover, their shape memory properties can be tailored by microstructural engineering. However, NiTiHf alloys have some drawbacks such as low ductility and high work hardening in stress induced martensite transformation region. In order to overcome these limitations, studies have been focused on microstructural engineering by aging, alloying and processing. Shape memory properties and microstructure of four Ni-rich NiTiHf alloys (Ni50.3Ti29.7Hf20, Ni50.7Ti29.3Hf20, Ni51.2Ti28.8Hf20, and Ni52Ti28Hf20 (at. %)) were systematically characterized in the furnace cooled condition. H-phase precipitates were formed during furnace cooling in compositions with greater than 50.3Ni and the driving force for nucleation increased with Ni content. Alloy strength increased while recoverable strain decreased with increasing Ni content due to changes in precipitate characteristics. The effects of the heat treatments on the transformation characteristics and microstructure of the Ni-rich NiTiHf shape memory alloys have been investigated. Transformation temperatures are found to be highly annealing temperature dependent. Generation of nanosize precipitates (~20 nm in size) after three hours aging at 450 °C and 550 °C improved the strength of the material, resulting in a near perfect dimensional stability under high stress levels (> 1500 MPa) with a work output of 20–30 J cm– 3. Superelastic behavior with 4% recoverable strain was demonstrated at low and high temperatures where stress could reach to a maximum value of more than 2 GPa after three hours aging at 450 and 550 °C for alloys with Ni great than 50.3 at. %. Shape memory properties of polycrystalline Ni50.3Ti29.7Hf20 alloys were studied via thermal cycling under stress and isothermal stress cycling experiments in tension. Recoverable strain of ~5% was observed for the as-extruded samples while it was decreased to ~4% after aging due to the formation of precipitates. The aged alloys demonstrated near perfect shape memory effect under high tensile stress level of 700 MPa and perfect superelasticity at high temperatures up to 230 °C. Finally, the tensioncompression asymmetry observed in NiTiHf where recoverable tensile strain was higher than compressive strain. The shape memory properties of solutionized and aged Ni-rich Ni50.3Ti29.7Hf20 single crystals were investigated along the [001], [011], and [111] orientations in compression. [001]-oriented single crystals showed high dimensional stability under stress levels as high as 1500 MPa in both the solutionized and aged conditions, but with transformation strains of less than 2%. Perfect superelasticity with recoverable strain of more than 4% was observed for solutionized and 550 °C-3h aged single crystals along the [011] and [111] orientations, and general superelastic behavior was observed over a wide temperature range. The calculated transformation strains were higher than the experimentally observed strains since the calculated strains could not capture the formation of martensite plates with (001) compound twins.
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6

Stokes, Kimberly. "A Closer Look: Uncovering The Reasons Schools And Businesses Partner And How The Partnerships Shape Curriculum And Pedagogy." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1228339564.

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7

Gauthier-Faille, Gail. "Outpatient treatment for substance dependence : using empirical findings about retention and substance use outcomes to shape treatment services." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=100370.

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The literature has indicated that frequently examined patient variables at intake have shown mixed results in the prediction of dropout from outpatient substance abuse treatment. In this research sociodemographic characteristics, substance use and psychological problem severity at intake were examined as predictors of early dropout in 411 patients enrolled in a 6-month outpatient substance abuse treatment program. Early dropout was defined as participation of less than 6 weeks, the first phase of treatment. Another focus of the research was to determine how patients who dropped out of treatment early fared in terms of substance use at 6 months compared to those retained longer. It was found that being younger, unmarried or not cohabitating, and having a greater severity of employment problems at intake were associated with early treatment dropout. Substance abuse and psychological problem severity at intake were not associated with dropout from the first phase of treatment. Patients who left treatment early had some reduction in alcohol consumption at 6-month follow-up, but overall, those retained in treatment longer had better alcohol and drug use outcomes at 6 months. Both the outcomes on retention and substance use were examined in order to explore possible solutions to dropout from the perspective of health services. Despite the improvements in substance abuse for patients retained longer than 6 weeks, it was determined that only 40% of patients were retained for 6 months, thereby indicating that the majority of patients had not received the planned 6-month intervention. In response to these facts, a brief intervention consisting of 5 individual therapy sessions based on coping skills and motivational enhancement strategies was designed and manualized with participation of the clinical staff. Following this, a randomized clinical trial was conducted with 72 patients, and substance use at 6-month follow-up was compared between the brief intervention and the conventional treatment groups. At 6 months, both the brief intervention and conventional treatment groups had reductions in alcohol use compared to intake, but no conclusions could be made about drug use. The implications of the findings for substance abuse treatment service delivery are discussed.
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8

Bugana, Marco. "Mathematical Modeling to Investigate Antiarrhythmic Drug Side Effects: Rate-Dependence Role in Ionic Currents and Action Potentials Shape in the O’Hara Model." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/3529/.

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Sudden cardiac death due to ventricular arrhythmia is one of the leading causes of mortality in the world. In the last decades, it has proven that anti-arrhythmic drugs, which prolong the refractory period by means of prolongation of the cardiac action potential duration (APD), play a good role in preventing of relevant human arrhythmias. However, it has long been observed that the “class III antiarrhythmic effect” diminish at faster heart rates and that this phenomenon represent a big weakness, since it is the precise situation when arrhythmias are most prone to occur. It is well known that mathematical modeling is a useful tool for investigating cardiac cell behavior. In the last 60 years, a multitude of cardiac models has been created; from the pioneering work of Hodgkin and Huxley (1952), who first described the ionic currents of the squid giant axon quantitatively, mathematical modeling has made great strides. The O’Hara model, that I employed in this research work, is one of the modern computational models of ventricular myocyte, a new generation began in 1991 with ventricular cell model by Noble et al. Successful of these models is that you can generate novel predictions, suggest experiments and provide a quantitative understanding of underlying mechanism. Obviously, the drawback is that they remain simple models, they don’t represent the real system. The overall goal of this research is to give an additional tool, through mathematical modeling, to understand the behavior of the main ionic currents involved during the action potential (AP), especially underlining the differences between slower and faster heart rates. In particular to evaluate the rate-dependence role on the action potential duration, to implement a new method for interpreting ionic currents behavior after a perturbation effect and to verify the validity of the work proposed by Antonio Zaza using an injected current as a perturbing effect.
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9

Leithäuser, Christian [Verfasser]. "Controllability of Shape-Dependent Operators and Constrained Shape Optimization for Polymer Distributors / Christian Leithäuser." München : Verlag Dr. Hut, 2013. http://d-nb.info/1033041246/34.

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10

Narayanan, Radha. "Shape-Dependent Nanocatalysis and the Effect of Catalysis on the Shape and Size of Colloidal Metal Nanoparticles." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/6878.

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From catalytic studies in surface science, it has been shown that the catalytic activity is dependent on the type of metal facet used. Nanocrystals of different shapes have different facets. This raises the possibility that the use of metal nanoparticles of different shapes could catalyze different reactions with different efficiencies. The catalytic activity is found to correlate with the fraction of surface atoms located on the corners and edges of the tetrahedral, cubic, and spherical platinum nanoparticles. It is observed that for nanoparticles of comparable size, the tetrahedral nanoparticles have the highest fraction of surface atoms located on the corners and edges and also have the lowest activation energy, making them the most catalytically active. Nanoparticles have a high surface-to-volume ratio, which makes them attractive to use compared to bulk catalytic materials. However, their surface atoms are also very active due to their high surface energy. As a result, it is possible that the surface atoms are so active that their size and shape could change during the course of their catalytic function. It is found that dissolution of corner and edge atoms occurs for both the tetrahedral and cubic platinum nanoparticles during the full course of the mild electron transfer reaction and that there is a corresponding change in the activation energy in which both kinds of nanoparticles strive to behave like spherical nanoparticles. When spherical palladium nanoparticles are used as catalysts for the Suzuki reaction, it is found that the nanoparticles grow larger after the first cycle of the reaction due to the Ostwald ripening process since it is a relatively harsh reaction due to the need to reflux the reaction mixture for 12 hours at 100 oC. When the tetrahedral Pt nanoparticles are used to catalyze this reaction, the tetrahedral nanoparticles transform to spherical ones, which grow larger during the second cycle. In addition, studies on the effect of the individual reactant have also provided clues to the surface catalytic process that is taking place. In the case of the electron transfer reaction, the surface catalytic process involves the thiosulfate ions binding to the nanoparticle surface and reacting with the hexacyanoferrate (III) ions in solution. In the case of the Suzuki reaction, the surface catalytic mechanism of the Suzuki reaction involves the phenylboronic acid binding to the nanoparticle surface and reacting with iodobenzene via collisional processes.
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Книги з теми "Shape dependence"

1

K, Heinemann, and Ames Research Center, eds. Size and shape dependence of CO adsorption sites on sapphire supported FE microcrystals. Moffett Field, Calif: The Center, 1985.

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2

Susnar, Shawn Scott. Pressure dependence of interfacial tension of hydrocarbon-water systems using axisymmetric drop shape analysis. Ottawa: National Library of Canada = Bibliothèque nationale du Canada, 1993.

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3

Ṭhānissaro. The shape of suffering: A study of dependent co-arising. Valley Center, CA: Metta Forest Monastery?, 2006.

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4

Holmberg, Rurik. Survival of the unfit: Path dependence and the Estonian oil shale industry. Linköping: Linköping University, Department of Technology and Social Change, 2008.

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5

Tandanand, Sathit. Time-dependent behavior of coal measure rocks: Adsorption rate and strength degradation. Avondale, Md: U.S. Dept. of the Interior, Bureau of Mines, 1987.

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6

Jayaswal, Sachin. Balancing u-shaped assembly lines with resource dependent task times: A simulated annealing approach. Ahmedabad: Indian Institute of Management, 2013.

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7

Guérir de soi: S'affranchir de la dépendance, de la honte, de la culpabilité et des troubles de la personnalité. Montréal]: Édition du Club Québec loisirs, 2010.

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8

Center, Betty Ford, ed. Healing and hope: Six women from the Betty Ford Center share their powerful journeys of addiction and recovery. New York: Putnam, 2003.

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9

United States. Government Accountability Office. Military housing: Installations need to share information on their Section 801 on-base housing contracts : report to congressional committees. Washington, D.C.]: U.S. Govt. Accountability Office, 2010.

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10

Weston, Cyril. The relationship between full-time trade union officials and shop stewards: An insight into factors which shape the dependency that shop stewards have upon district officials within Region 5 of the Transport and General Workers' Union. [s.l.]: typescript, 1988.

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Частини книг з теми "Shape dependence"

1

Balkema, Guus, Paul Embrechts, and Natalia Nolde. "The Shape of Asymptotic Dependence." In Springer Proceedings in Mathematics & Statistics, 43–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33549-5_3.

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2

Subrahmanyam, V., and Mustansir Barma. "Shape and Size Dependence of Energy Level Degeneracies." In Physics and Chemistry of Finite Systems: From Clusters to Crystals, 549–54. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-017-2645-0_70.

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3

Okiji, A., and H. Kasai. "Shape Dependence of Ballistic Transport in Mesoscopic Systems." In Springer Series in Solid-State Sciences, 153–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84818-6_14.

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4

Zhuravlev, G. A., and Y. E. Drobotov. "Dependence of Displacements on Elastic Properties in Solids of Complex Shape." In Springer Proceedings in Physics, 231–46. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03749-3_19.

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5

Navarro, A., F. Corbera, R. Asenjo, A. Tineo, O. Plata, and E. L. Zapata. "A New Dependence Test Based on Shape Analysis for Pointer-Based Codes." In Lecture Notes in Computer Science, 394–408. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11532378_28.

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6

Nitzan, Abraham. "Small Dielectric Clusters: Size and Shape Dependence of Photophysical and Photochemical Properties." In The Jerusalem Symposia on Quantum Chemistry and Biochemistry, 333–43. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-4001-7_30.

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Vogel, E. E., S. Contreras, J. Cartes, and J. Villegas. "Size and Shape Dependence of Small Spin Lattices Described by an Ising Hamiltonian." In Physics and Chemistry of Finite Systems: From Clusters to Crystals, 813–18. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-017-2645-0_109.

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8

Lebrecht, W., and Eugenio E. Vogel. "Size and Shape Dependence for Triangular and Honeycomb Finite Lattices with Mixed Exchange Interactions." In New Trends in Magnetism, Magnetic Materials, and Their Applications, 95–101. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4899-1334-0_11.

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Agrawal, Tulika, Shubhayan Bhattacharya, Gurvinder Singh, Hala Zreiqat, and Prem B. Bisht. "Shape and Size Dependence of Noble Metal Nanoparticles on Decay Rates of an Emitter." In Springer Proceedings in Physics, 195–200. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-7691-8_19.

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Okamoto, Nariaki, Takashi Fukuda, Tomoyuki Kakeshita, and Kohji Kishio. "Temperature Dependence of Rearrangement of Martensite Variants in a Ferromagnetic Shape Memory Alloy Ni2MnGa." In Materials Science Forum, 2021–24. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-960-1.2021.

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Тези доповідей конференцій з теми "Shape dependence"

1

Combe, Gaël, Cécile Nouguier-Lehon, Émilien Azéma, Krzysztof Szarf, Baptiste Saint-Cyr, Marie Chaze, Farhang Radjaï, et al. "A benchmark for particle shape dependence." In POWDERS AND GRAINS 2013: Proceedings of the 7th International Conference on Micromechanics of Granular Media. AIP, 2013. http://dx.doi.org/10.1063/1.4812073.

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2

Chen, Long, and Michal Lipson. "Origin of Shape Dependence in Nano-Aperture Transmission." In 2006 IEEE LEOS Annual Meeting. IEEE, 2006. http://dx.doi.org/10.1109/leos.2006.279027.

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3

Murakami, Eiichi, Masahiro Moniwa, Kikuo Kusukawa, Masanobu Miyao, Terunori Warabisako, and Yasuo Wada. "Seed Shape Dependence of Si Solid Phase Epitaxy." In 1987 Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 1987. http://dx.doi.org/10.7567/ssdm.1987.c-1-3.

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4

Kurihara, Kazuma, Takayuki Shima, Takashi Nakano, Masashi Kuwahara, and Junji Tominaga. "Pit Shape Dependence of Super-RENS ROM Disc." In International Symposium on Optical Memory and Optical Data Storage. Washington, D.C.: OSA, 2005. http://dx.doi.org/10.1364/isom_ods.2005.thc5.

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5

Konrad, C. H., L. C. Chhabildas, M. B. Boslough, A. J. Piekutowski, K. L. Poormon, S. A. Mullin, and D. L. Littlefield. "Dependence of debris cloud formation on projectile shape." In High-pressure science and technology—1993. AIP, 1994. http://dx.doi.org/10.1063/1.46356.

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Pandey, Brijesh Kumar, Ratan Lal Jaiswal, and Sachin. "Shape dependence of elastic moduli of metallic nanoparticles." In ADVANCES IN BASIC SCIENCE (ICABS 2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5122603.

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7

Jiao, Zhaoyang, Mingying Sun, Lei Ren, Yajing Guo, Rong Wu, Yanli Zhang, and Jianqiang Zhu. "Shape dependence of downstream light intensification caused by flaws." In Pacific Rim Laser Damage 2018: Optical Materials for High-Power Lasers, edited by Jianda Shao, Takahisa Jitsuno, and Wolfgang Rudolph. SPIE, 2018. http://dx.doi.org/10.1117/12.2303707.

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Nousiainen, Timo. "Impact of particle shape on composition dependence of scattering." In Tenth Conference on Electromagnetic and Light Scattering. Connecticut: Begellhouse, 2007. http://dx.doi.org/10.1615/ichmt.2007.confelectromagligscat.380.

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9

Hullavarad, Shiva S., and Nilima V. Hullavarad. "Electrical and Optical Properties of Multi-Shaped ZnO Micro and Nanostructures: Shape Dependence Sensitivity." In 2008 8th IEEE Conference on Nanotechnology (NANO). IEEE, 2008. http://dx.doi.org/10.1109/nano.2008.21.

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Anu, Anu, Anais Lehoux, Joseph Zyss, Hynd Remita, and Isabelle Ledoux-Rak. "Shape dependence of the quadratic nonlinear properties of gold nanoparticles." In 2013 Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference CLEO EUROPE/IQEC. IEEE, 2013. http://dx.doi.org/10.1109/cleoe-iqec.2013.6801891.

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Звіти організацій з теми "Shape dependence"

1

Ahrens L., C. Gardner, J. Wei, K. Zeno, and S. Y. Zhang. Silicon Intensity Dependence of BTA Profile Shape. Office of Scientific and Technical Information (OSTI), December 1999. http://dx.doi.org/10.2172/1132452.

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2

HACKENBURG, R. W. NEUTRON-PROTON EFFECTIVE RANGE PARAMETERS AND ZERO-ENERGY SHAPE DEPENDENCE. Office of Scientific and Technical Information (OSTI), June 2005. http://dx.doi.org/10.2172/15020067.

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3

Roldan-Cuenya, Beatriz, H. Mistry, and Y. Choi. Nanocatalysis: Size- and Shape-dependent Chemisorption and Catalytic Reactivity. Office of Scientific and Technical Information (OSTI), February 2017. http://dx.doi.org/10.2172/1485534.

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4

Asenath-Smith, Emily, Emily Jeng, Emma Ambrogi, Garrett Hoch, and Jason Olivier. Investigations into the ice crystallization and freezing properties of the antifreeze protein ApAFP752. Engineer Research and Development Center (U.S.), September 2022. http://dx.doi.org/10.21079/11681/45620.

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Antifreeze proteins (AFPs) allow biological organisms, including insects, fish, and plants, to survive in freezing temperatures. While in solution, AFPs impart cryoprotection by creating a thermal hysteresis (TH), imparting ice recrystallization inhibition (IRI), and providing dynamic ice shaping (DIS). To leverage these ice-modulating effects of AFPs in other scenarios, a range of icing assays were performed with AFPs to investigate how AFPs interact with ice formation when tethered to a surface. In this work, we studied ApAFP752, an AFP from the beetle Anatolica polita, and first investigated whether removing the fusion protein attached during protein expression would result in a difference in freezing behavior. We performed optical microscopy to examine ice-crystal shape, micro-structure, and the recrystallization behavior of frozen droplets of AFP solutions. We developed a surface chemistry approach to tether these proteins to glass surfaces and conducted droplet-freezing experiments to probe the interactions of these proteins with ice formed on those surfaces. In solution, ApAFP752 did not show any DIS or TH, but it did show IRI capabilities. In surface studies, the freezing of AFP droplets on clean glass surfaces showed no dependence on concentration, and the results from freezing water droplets on AFP-decorated surfaces were inconclusive.
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5

Miller, Wooddy, and Wooddy S. Miller. Temperature Dependent Rubidium Helium Line Shapes and Fine Structure Mixing Rates. Fort Belvoir, VA: Defense Technical Information Center, September 2015. http://dx.doi.org/10.21236/ad1003086.

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6

Eshed, Yuval, and Sarah Hake. Shaping plant architecture by age dependent programs: implications for food, feed and biofuel. United States Department of Agriculture, December 2012. http://dx.doi.org/10.32747/2012.7597922.bard.

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Age dependent programs are responsible for the physiological and developmental differences of young and mature plants. These include a range of morphological characters such as leaf shape and leaf composition (waxes, lignin etc..) but also different in developmental potentials. Apical buds of juvenile plants are vegetative, while those of mature plants can be reproductive. Likewise, basal buds form in the axills of juvenile leaves have different fates than distal buds formed in the axils of mature leaves. The goal of our joint project is to understand and exploit theses age related programs for specific improvement of crop plants. To that end both the WIS group and the PGEC group are using mutants with age related defects as well as modified expression of miR156 to modify age related programs in crop plants- Tomato and potato in Israel and Maize, switchgrass and Brchipodium in the US. In the US, major effort were made to: Characterize the contribution of selected miR156 target genes to yield component traits of maize. Functional analysis of microRNAs and their targets in new crop plants. In Israel, the research progressed in several directions: Understanding the interplay between age dependent programs and the potential of tomato and potato meristems to produce tubers. Evaluation of the agronomic value of mutants that alter flowering regime in side shoots in general, and in the sympodial buds in particular Characterization of wild type axillary buds, comparing shoot ontogeny of gradually maturing apices from basal and distal positions along the main shoot of tomato.
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Quak, Evert-jan. The Link Between Demography and Labour Markets in sub-Saharan Africa. Institute of Development Studies (IDS), January 2020. http://dx.doi.org/10.19088/k4d.2021.011.

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This rapid review synthesises the literature from academic, policy, and knowledge institution sources on how demography affects labour markets (e.g. entrants, including youth and women) and labour market outcomes (e.g. capital-per-worker, life-cycle labour supply, human capital investments) in the context of sub-Saharan Africa. One of the key findings is that the fast-growing population in sub-Saharan Africa is likely to affect the ability to get productive jobs and in turn economic growth. This normally happens when workers move from traditional (low productivity agriculture and household businesses) sectors into higher productivity sectors in manufacturing and services. In theory the literature shows that lower dependency ratios (share of the non-working age population) should increase output per capita if labour force participation rates among the working age population remain unchanged. If output per worker stays constant, then a decline in dependency ratio would lead to a rise in income per capita. Macro simulation models for sub-Saharan Africa estimate that capital per worker will remain low due to consistently low savings for at least the next decades, even in the low fertility scenario. Sub-Saharan African countries seem too poor for a quick rise in savings. As such, it is unlikely that a lower dependency ratio will initiate a dramatic increase in labour productivity. The literature notes the gender implications on labour markets. Most women combine unpaid care for children with informal and low productive work in agriculture or family enterprises. Large family sizes reduce their productive labour years significantly, estimated at a reduction of 1.9 years of productive participation per woman for each child, that complicates their move into more productive work (if available). If the transition from high fertility to low fertility is permanent and can be established in a relatively short-term period, there are long-run effects on female labour participation, and the gains in income per capita will be permanent. As such from the literature it is clear that the effect of higher female wages on female labour participation works to a large extent through reductions in fertility.
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Quak, Evert-jan. Lessons Learned from Market Shaping Interventions to Stimulate Vaccine Production in LMIC. Institute of Development Studies (IDS), December 2021. http://dx.doi.org/10.19088/k4d.2022.009.

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This rapid review synthesises the literature from academic, policy, and knowledge institution sources on the lessons learned on how market shaping tools can be used to stimulate vaccine production in low- and middle-income countries (LMICs) with a focus on Africa. The purpose is to learn from these interventions in the context of shaping the vaccine markets in Africa to become less dependent on imports and to stimulate local production of vaccines. The rapid review concludes that it is the combination of market shaping tools (supply and demand sides) with efforts to mobilise resources and a clear industrial policy and strategy with long-term political commitment that is needed to develop fully integrated vaccine facilities in LMICs at the national and regional levels. These facilities or “vaccine manufacturing networks” in LMICs, particularly in Africa, need to sell below their production cost for many years after entering the market. This is because they compete within well-established global vaccine markets to which the low-income countries have access through pooled procurement mechanisms. This means that governments in low-income countries have arguably good access to affordable but imported vaccines while needing heavy investment and subsidies to develop competitive vaccine manufacturers. The literature on market-shaping is mainly conceptual without mentioning much empirical evidence. It has a bias on firms and presumes firm strategies to shape markets for their own benefit. The literature often underestimates the role that governments play in shaping markets. As such, this rapid review relies on other sources to investigate the interventions by governments to shape markets and how donors could support these governments in their efforts.
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9

Peterson, Brian, J. Beeco, Sharolyn Anderson, and Damon Joyce. Exploring spatial patterns of overflights at Mount Rushmore National Memorial. National Park Service, June 2022. http://dx.doi.org/10.36967/nrr-2293663.

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The purpose of this study was to explore the spatial patterns of overflights at Mount Rushmore National Memorial (Mount Rushmore). Overflights were analyzed from August 15th, 2020 to May 15th, 2021 using Automatic Dependent Surveillance-Broadcast (ADS-B) and radar data from L3Harris. The first phase of analysis focused on all overflights and found a high concentration of overflights fly above Mount Rushmore. The second phase of analysis focused on low-level overflights that fly below 9,000ft mean sea level (MSL), which showed that many low-level overflights fly in a ring-shaped pattern around Mount Rushmore. The third phase of analysis removed all overflights known to not be air tours. Point density analysis was conducted using waypoints segmented into 500ft above ground level (AGL) altitude intervals, which showed that the density of overflights varied by altitude interval and the 1,000-1,500ft AGL range had the highest density of overflights around and above Mount Rushmore. This altitude interval also had the highest number of waypoints. It was also determined that the aircraft owners who fly the most helicopter routes fly at mean and median altitudes less than 1,600ft AGL. This information can be used for planning and management purposes and this study serves as a resource for future research that intends to use more advanced analytics.
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10

Oosterhoff, Pauline, and Raudah M. Yunus. The Effects of Social Assistance Interventions on Gender, Familial and Household Relations Among Refugees and Displaced Populations: A Review of the Literature on Interventions in Syria, Iraq, Jordan and Lebanon. Institute of Development Studies (IDS), March 2022. http://dx.doi.org/10.19088/basic.2022.011.

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This literature review aims to explore the evidence on the effects of social assistance on gender, familial, and household relations and power dynamics among refugees and (internally) displaced populations in Syria, Iraq, Jordan, and Lebanon. It examines the findings from an intersectional gender perspective allowing the authors to build on the knowledge of ‘what works’ in interventions in general and hopefully improve gender equality and social inclusion. Out of 1,564 papers initially identified and screened, 22 were included in the final stage. A question that emerged as the papers were analysed was whether the arduous work of targeting individuals was efficient or necessary, given that the available evidence suggests that beneficiaries generally tend to share their stipend with other family members for the collective good. Most studies tended to conflate gender with women and girls – making distinctions between widowed, married, unmarried and divorced women – but ignoring other dimensions such as class, health status, religion, ethnicity, education, prior work experience, political affiliation, and civil participation. Many programmes and research fail to disaggregate data. Social assistance programmes focus on individuals and households, with little attention to the wider context and overall conflict. Most studies paid negligible attention to familial infrastructures and strategies for sustainable interventions. Access to, and use of, cash transfers are part of broader familial strategies to mobilise or increase resources including, for example, (male) migration in pursuit of remittances, or (female) dependency on ‘community charity’. Short-term cash transfers can, in some circumstances, disrupt individuals’ and families’ access to more sustainable income or ‘charity’. Thus, important questions are raised about the purpose of social assistance: does it aim to preserve or transform families through targeting?
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