Relevant bibliographies by topics / Cahn effect

Academic literature on the topic 'Cahn effect'

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Published: 11 March 2023

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Journal articles on the topic "Cahn effect"

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TEHRANI, ZAHRA ALIAKBAR, ALIREZA FATTAHI, MARJAN JEBELI JAVAN, and MOHAMMAD MAHMOODI HASHEMI. "DFT STUDY ON CONFORMATIONAL BEHAVIOR OF HYDROGEN ION ABSTRACTIONS OF CYTOSINE NUCLEOSIDES: AIM AND NBO ANALYSIS." Journal of Theoretical and Computational Chemistry 10, no. 06 (December 2011): 803–17. http://dx.doi.org/10.1142/s0219633611006797.

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In this paper, we explore theoretically energetic and structural properties of the possible cations formed via hydride ion abstraction at various sites of sugar part of cytosine nucleosides by employing B3LYP exchange-correlation functional with 6-311++G (d,p) orbital basis sets. In general, the hydride ion abstracted sugar cations of cytosine nucleosides have the following stability sequence: caH2′ > caH1′ > caH3′ > caH4′ > caH5′ for cytidine and caH1′ > caH4′ > caH3′ > caH5′ > caH2′ for deoxycytidine. Furthermore, the effect of solvent environment on the stability order of cations integral equation formalism of the polarized model (IEF-PCM) was employed to model aqueous solution. The natural bond orbital method was used for quantitative analysis of the electron delocalization donor–acceptor interaction of various hydride ions abstracted centers of cytosine nucleosides. The role of CH⋯O and HO⋯H intramolecular hydrogen bonds in the stability of cations is investigated based on the results of topological properties of atom in molecule theory. Moreover, variations of significant structural parameters such as puckering amplitudes and phase angles of sugar parts of cytosine nucleosides after cation formation are also found.
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KITAHARA, K., Y. OONO, and DAVID JASNOW. "PHASE SEPARATION DYNAMICS AND EXTERNAL FORCE FIELD." Modern Physics Letters B 02, no. 06 (July 1988): 765–71. http://dx.doi.org/10.1142/s0217984988000461.

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If spinodal decomposition is modeled by the Cahn-Hilliard (-Cook) equation, the effect of a uniform external force such as gravitation does not appear in the bulk phase kinetics. In contrast, in the Kawasaki exchange modeling of the local dynamics of binary alloys, this effect directly modifies the bulk phase kinetics. We resolve this paradox through the cell-dynamical-system modeling of the Kawasaki exchange dynamics. Its continuum version has turned out to be a modified Cahn-Hilliard equation already proposed by Langer et al. about ten years ago. We demonstrate some examples in which the correction to the Cahn-Hilliard equation is significant.
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sci, global. "Effect of Space Dimensions on Equilibrium Solutions of Cahn--Hilliard and Conservative Allen--Cahn Equations." Numerical Mathematics: Theory, Methods and Applications 13, no. 3 (June 2020): 644–64. http://dx.doi.org/10.4208/nmtma.oa-2019-0159.

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Garcke, Harald. "On Cahn—Hilliard systems with elasticity." Proceedings of the Royal Society of Edinburgh: Section A Mathematics 133, no. 2 (April 2003): 307–31. http://dx.doi.org/10.1017/s0308210500002419.

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Elastic effects can have a pronounced effect on the phase-separation process in solids. The classical Ginzburg—Landau energy can be modified to account for such elastic interactions. The evolution of the system is then governed by diffusion equations for the concentrations of the alloy components and by a quasi-static equilibrium for the mechanical part. The resulting system of equations is elliptic-parabolic and can be understood as a generalization of the Cahn—Hilliard equation. In this paper we give a derivation of the system and prove an existence and uniqueness result for it.
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Lee, Dongsun, and Seunggyu Lee. "Image Segmentation Based on Modified Fractional Allen–Cahn Equation." Mathematical Problems in Engineering 2019 (January 30, 2019): 1–6. http://dx.doi.org/10.1155/2019/3980181.

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We present the image segmentation model using the modified Allen–Cahn equation with a fractional Laplacian. The motion of the interface for the classical Allen–Cahn equation is known as the mean curvature flows, whereas its dynamics is changed to the macroscopic limit of Lévy process by replacing the Laplacian operator with the fractional one. To numerical implementation, we prove the unconditionally unique solvability and energy stability of the numerical scheme for the proposed model. The effect of a fractional Laplacian operator in our own and in the Allen–Cahn equation is checked by numerical simulations. Finally, we give some image segmentation results with different fractional order, including the standard Laplacian operator.
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Wu, Shuonan, and Jinchao Xu. "Multiphase Allen–Cahn and Cahn–Hilliard models and their discretizations with the effect of pairwise surface tensions." Journal of Computational Physics 343 (August 2017): 10–32. http://dx.doi.org/10.1016/j.jcp.2017.04.039.

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AKAGI, GORO, and MESSOUD EFENDIEV. "Allen–Cahn equation with strong irreversibility." European Journal of Applied Mathematics 30, no. 04 (July 16, 2018): 707–55. http://dx.doi.org/10.1017/s0956792518000384.

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This paper is concerned with a fully non-linear variant of the Allen–Cahn equation with strong irreversibility, where each solution is constrained to be non-decreasing in time. The main purposes of this paper are to prove the well-posedness, smoothing effect and comparison principle, to provide an equivalent reformulation of the equation as a parabolic obstacle problem and to reveal long-time behaviours of solutions. More precisely, by derivingpartialenergy-dissipation estimates, a global attractor is constructed in a metric setting, and it is also proved that each solutionu(x,t) converges to a solution of an elliptic obstacle problem ast→ +∞.
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L’vov, Pavel, and Renat Sibatov. "Effect of the Particle Size Distribution on the Cahn-Hilliard Dynamics in a Cathode of Lithium-Ion Batteries." Batteries 6, no. 2 (May 15, 2020): 29. http://dx.doi.org/10.3390/batteries6020029.

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The phase-field model based on the Cahn-Hilliard equation is employed to simulate lithium intercalation dynamics in a cathode with particles of distributed size. We start with a simplified phase-field model for a single submicron particle under galvanostatic condition. We observe two stages associated with single-phase and double-phase patterns typical for both charging and discharging processes. The single-phase stage takes approximately 10–15% of the process and plays an important role in the intercalation dynamics. We establish the laws for speed of front propagation and evolution of single-phase concentration valid for different sizes of electrode particles and a wide range of temperatures and C-rates. The universality of these laws allows us to formulate the boundary condition with time-dependent flux density for the Cahn-Hilliard equation and analyze the phase-field intercalation in a heterogeneous cathode characterized by the particle size distribution.
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Yang, Ling Ling, and Yoshiyuki Saito. "Effect of Mo and Ni on Phase Separation in Fe-Cr=Mo-Ni Quaternary Alloys." Advanced Materials Research 409 (November 2011): 449–54. http://dx.doi.org/10.4028/www.scientific.net/amr.409.449.

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Numerical simulation of phase separation in Fe-Cr-Mo and Fe-Cr-Ni ternary alloys and Fe-Cr-Mo-Ni quaternary alloys were performed with use of the Cahn-Hilliard equation for ternary and quaternary alloys. A new numerical model based on the Gauss-Seidel and Newton Raphson methods was utilized to obtain efficient and accurate solution.
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Albosaily, Sahar, Wael W. Mohammed, Amjad E. Hamza, Mahmoud El-Morshedy, and Hijaz Ahmad. "The exact solutions of the stochastic fractional-space Allen–Cahn equation." Open Physics 20, no. 1 (January 1, 2022): 23–29. http://dx.doi.org/10.1515/phys-2022-0002.

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Abstract The fundamental objective of this article is to find exact solutions to the stochastic fractional-space Allen–Cahn equation, which is derived in the Itô sense by multiplicative noise. The exact solutions to this equation are required since it appears in many discipline areas including plasma physics, quantum mechanics and mathematical biology. The tanh–coth method is used to generate new hyperbolic and trigonometric stochastic and fractional solutions. The originality of this study is that the results produced here expand and improve on previously obtained results. Furthermore, we use Matlab package to display 3D surfaces of analytical solutions derived in this study to demonstrate the effect of stochastic term on the solutions of the stochastic-fractional-space Allen–Cahn equation.
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Dissertations / Theses on the topic "Cahn effect"

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Sbrizzai, Giulio. "Measurements of transverse momentum dependent azimuthal asymmetries in SIDIS at COMPASS." Doctoral thesis, Università degli studi di Trieste, 2011. http://hdl.handle.net/10077/4971.

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2009/2010
The main topic of this thesis is the measurement of the transverse momentum dependent (TMD) azimuthal asymmetries in the inclusive hadron production in the deep inelastic scattering (DIS). This work has been carried on in the framework of COMPASS, a fixed target experiment at CERN's SPS, which started data taking in 2002. One of the main topic of COMPASS is the study of the nucleon spin structure using high energy (100-200 GeV) muon beam and either transversely and longitudinally polarized proton and deuteron target. Recent developments both from the experimental and theoretical side pointed out the relevance of the transverse spin effects and of new effects, related to the intrinsic transverse momentum of the quark and its correlation with the spin. The nucleon structure, in the non perturbative QCD formalism, can be described at first order, in the collinear approximation, by three parton distribution functions (PDF): the unpolarized PDF, the helicity PDF and the transversity PDF. When including the intrinsic transverse momentum of the quark other 5 PDFs are needed at first order. They are related to the correlation between the transverse momentum of the quark and the spin and are practically unmeasured. The semi inclusive DIS (SIDIS) allows to study all these functions. Indeed the the SIDIS differential cross section, taking into account the beam and target polarization, is characterized by 14 azimuthal modulations in independent linear combination of the nucleon spin angle and of the hadrons angle, as measured with respect to the virtual photon direction. Their amplitudes are related to the structure functions given by the convolution between the new PDFs and the hadron fragmentation functions. In this thesis the measurement of the azimuthal asymmetries which appears in the SIDIS cross section on the unpolarized and longitudinally polarized target. Of particular interest is the information that this measurement give on the Boer-Mulders TMD PDF, which is a very interesting topic. The analysed data have been taken using the 160 GeV positive muon beam on the deuteron target. The target configuration and the spectrometer are optimized for the spin asymmetry measurements and are described in the thesis as well as the data taking. Also, the data processing and the software used for the analysis and the SIDIS data selection are described. The measurement of the azimuthal asymmetries on the longitudinally polarized target have been done using the same data as the one used for the $\Delta$G (the contribution to the nucleon spin of the longitudinal spin of the gluons) measurement. To avoid acceptance effects in the asymmetries extraction, the data collected from the two oppositely polarized target cells (which form the target) have been opportunely combined. Other possible systematic effects have been studied in details and are described in the thesis. \\ The asymmetries have been extracted as functions of the relevant kinematical variables and separately for positive and negative hadrons. The final results, accepted for publication in European Journal C, are compared with the results produced by other experiments and with the calculations of theoretical models of the TMD functions. The measurement of the azimuthal asymmetries which appears in the spin independent part of the SIDIS cross section is more difficult since it cannot benefit from the periodically reversal of the target polarization. The measured hadron azimuthal distributions must be corrected for the possible effects introduced by the apparatus acceptance (geometrical acceptance, detectors and trigger efficiencies). The Monte Carlo simulation of the apparatus has been used to estimate those effects. Extensive studies of the description of the azimuthal acceptance of the apparatus have been done in the whole kinematical domain of interest using different SIDIS events generations. A reliable asymmetries extraction method has been developed and used. A considerable effort has been put into the study and the control of the systematics. Also in this case the asymmetries have been extracted as functions of the relevant kinematical variables and separately for positive and negative hadrons. \\ The strongest measured signals are related to the Cahn effect, which is a kinematical effect proportional to the intrinsic transverse momentum of the quarks, and to the Boer-Mulders TMD PDF, describing the correlation between the intrinsic transverse momentum of the quark and its transverse spin. \\ The results, in particular the kinematical and the charge dependencies of the asymmetries, are interpreted in terms of TMD quantities and higher effects in the non perturbative QCD. The comparisons with the results produced by the other experiments, and with the theoretical predictions are also discussed.
XXIII Ciclo
1977
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Jakobsson, Catrin, and Ola Henriksson. "Can money be made on Mondays? : An empirical investigation of the efficiency on the OMXS30." Thesis, Jönköping University, JIBS, Business Administration, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-12764.

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Purpose: The purpose of this thesis is to investigate if abnormal patterns concerning the rates of return during specific weekdays and months are observable for the companies in the OMXS30 during the period 2003-2010. A special focus will be put on the Monday effect anomaly.

Background: Investors have a tendency to search for investment opportunities. If errors exist in the pricing of stocks it indicates that anomalies are present and that the stock market is inefficient. Investors then have the possibility to utilize the anomalies in order to receive above average returns.

Method: This study is using data of stock prices from Nasdaq OMX in the period of 2003-2010. The strength and existence of the Swedish stock market efficiency is measured through autocorrelation-, chi-square- and regression tests. Average monthly stock returns are calculated on daily-, monthly-, and yearly basis. The returns are compared in order to examine if day-of-the-week and turn-of-the-year anomalies exist.

Conclusion: No Monday effect is found in 2003-2010. However, positive Thursday- and positive Friday effects are detected. A negative turn-of-the-year effect as well as a positive April effect is found. The investment opportunities that could be utilized in 2003-2010 due to the specific anomalies in the period do not necessarily imply that the same anomalies can be expected on the OMXS30 in the future.

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Karakowski, Jonathan J. "Can the neutron polarizabilities be determined from a deuteron Compton scattering experiment? /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/9809.

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Jemstedt, Andreas. "Can the testing effect, in part, be explained by organizational benefits?" Thesis, Stockholms universitet, Psykologiska institutionen, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-89815.

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The testing effect refers to the phenomenon that, relative to restudying, being tested on a previously learned material leads to better retention. The present study investigated the hypothesis that part of the testing effect in free recall, can be explained by increased memory organization due to testing. Forty-one participants learned either semantically related or unrelated words. The words were either repeatedly studied six times, or recalled from memory three times and studied three times, with each test trial following a study trial. Following the learning session, all participants conducted two free recall tests, one after five minutes and one after seven days. The study did not replicate the testing effect and therefore no conclusions could be drawn about the hypothesis. The results did, however, indicate that the related material facilitated later retrieval, relative to the unrelated material. Furthermore, opposite to what was predicted, restudying lead to higher rates of category clustering compared to testing.
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Bagnoli, Annalisa. "Diffuse interface models for tumour growth within a non-isothermal Cahn-Hilliard theory for phase separation: thermodynamics, chemotaxis and stability." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14120/.

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In this thesis we provide a scheme for phase separation by accounting for diffusion, dynamic equations and consistency with thermodynamics. The constituents are two compressible fluids and, for the non-simple character of the mixture, an extra energy flux is allowed to occur. Since also thermal effects are included, the result is a whole set of evolution equations for the concentration, the velocity and the temperature which describes a non-isothermal Navier-Stokes-Cahn-Hilliard model for phase separation in a binary mixture with extra fluxes and within the Fourier heat theory. Alternative heat theories may be proposed for this Navier-Stokes-Cahn-Hilliard theory. Meanwhile the mixing problem is described graphically. Moreover the model may be generalized including a source term, and this doesn't affect the thermodynamic scheme. Then we describe and then compare two mathematical models for chemotactic processes: the pioneeristic Keller-Segel model and the hydrodynamic model by Chavanis and Sire. The first one is able to describe clusters or peaks, the second one involves inertial effects together with a friction force and leads to network patterns or filaments that are in good agreement with the experimental results. We analyze the linear stability of an infinite, stationary and homogeneous distribution of cells for determining the critical thresholds above which chemotactic collapse is allowed and cellular aggregation is reproduced. Then we discuss the differences between the two models, moreover we show the analogy between the instability criterion for biological populations and the Jeans instability criterion in an astrophysical setting. Finally we propose a different approach for the derivation of new diffuse interface models for tumour growth (with chemotaxis and active transport) based on the Cahn-Hilliard theory, combined with the (stationary) Darcy momentum equation.
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Rogut, Nathan. "Can we make investors smarter using a nudge? Maybe, but we can’t prove it using the most common experimental disposition effect environment." Thesis, Department of Economics, 2023. https://hdl.handle.net/2123/29894.

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Investors have been shown to behave in a way that reduces their earnings by being over hesitant to sell stocks that have decreased in price and over eager to sell stocks that have increased in price, exhibiting what is known as a disposition effect. This persists even in environments that make exhibiting a disposition effect always reduce expected returns. Our study uses the most common experimental disposition effect environment to test the use of a novel nudge to reduce participants disposition effects and finds that the nudge does reduce participants’ disposition effects. However, several of our findings challenge the external and internal validity of the environment, and it is possible that the nudge only works for a subset of the population that understands the environment better. Despite the environment making diversification suboptimal, those who understand diversification (and therefore might perform better in real-world markets) perform worse in this environment due to diversifying more, indicating that participants bring their external beliefs about real world markets into the environment. We show that the optimal disposition effect in the environment is substantially negative, which critiques past studies that have used a rational benchmark of zero. We also find significantly negative disposition effects across the board for our sample, which is unique, potentially due to the inclusion of comprehension questions before trading that assisted participants to understand the environment better.
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Warwick, Laura Elizabeth. "Can design effect transformational change in the voluntary community sector?" Thesis, Northumbria University, 2015. http://nrl.northumbria.ac.uk/24459/.

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This qualitative, exploratory investigation provides insight into the relevance and applicability of adopting a Design for Service (DfS) approach to effect transformation in Voluntary Community Sector (VCS) contexts. Using Action Research and a case study structure, the DfS approach was introduced and applied within three VCS organisations in succession. In each organisation, data on the impact and perceived value of the approach to a range of stakeholders was captured during, immediately after, and in the year following the engagement. An inductive analysis process was then employed to build theory from the collated case study data. The research has established that the use of design at a systemic level of a VCS organisation can incite transformational change. It has shown that stakeholders' initial trust in the designer is more important than their trust in the DfS approach (methods and processes), which becomes crucial to increasing the influence of design in the organisation. Once the designer becomes a 'friend' to the organisation, they can operate at an embedded level as a 'critical friend', which allows them to challenge the status quo and create new organisational perspectives. Finally, it defines five organisational factors that are critical to using the DfS approach to effect transformational change in a VCS setting. The study has multiple contributions to knowledge, including: detailed evidence that design can be used to transform VCS organisations; a 'critical friend' model depicting how design can be used to effect transformation in such settings; and a prototype 'design-readiness' self-assessment tool for VCS organisations. This thesis represents the first doctoral length study into the application of the DfS approach in a VCS context, and provides both evidence and insight into its capacity to incite transformational change at a critical time for the sector.
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Van, Niekerk Maria Emmerentia. "Can a non-traditional approach to music develop the learning potential of primary school learners?" Diss., University of Pretoria, 2002. http://hdl.handle.net/2263/29200.

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Lan, Tingsong, and Petersson Jonathan Klawitter. "Marketing through web 2.0 : How likes, shares and comments can effect organizations." Thesis, Högskolan i Borås, Akademin för bibliotek, information, pedagogik och IT, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-8682.

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With the statistical numbers that shows how companies year after year moves more and more money from traditional marketing budgets to inbound marketing budgets as a result of a past success within the field of inbound marketing, the purpose of this study is to examine what can be derive from their use of the Web 2.0 technology as a marketing tool. The target-group for this study is mainly organizations that are interested in the use of Web 2.0 technologies and an academic audience as students and researchers.This study have used it selves of a Hermeneutics scientific approach and an abductive approach towards the relationship between theory and research. Semi-structured interviews have been conducted as the method for collection of data for the empirical study. The selections of the respondents to the empirical study have been selected through different criterias were the organizations use and frequency of use of Web 2.0 technology were a primary criteria.The conclusion of this study shows that there are some major advantages that can be derived from the use of Web 2.0 technology in organizations marketing communication, the interactions with consumer and the use of the interaction to improve organizations processes. The drawbacks that were discovered are mainly the organizational changes that an organization has to go through when implementing Web 2.0 technologies in their marketing communication and the risk of negative viral spread. The future opportunity for using Web 2.0 in marketing communication is that it can lead to new creative ways to interact with the customers.
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Henderson, Amy Elizabeth. "Can the Consumption of Fruits Containing Anthocyanins Reduce the Risk of Developing Type 2 Diabetes?" Fogler Library, University of Maine, 2007. http://www.library.umaine.edu/theses/pdf/HendersonAE2007.pdf.

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Books on the topic "Cahn effect"

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Bauman, Neil G. Ototoxic drugs exposed: The shocking truth about prescription drugs and other chemicals that can (and do) damage our ears. 2nd ed. Stewartstown, PA: GuidePost Publications, 2003.

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Bauman, Neil G. Ototoxic drugs exposed: The shocking truth about prescription drugs and other chemicals that can (and do) damage our ears. 3rd ed. Stewartstown, PA: Integrity First Publications, 2010.

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Alcohol, the national hangover: The social and personal costs of drinking in Australia--and what you can do about it! North Sydney: Allen & Unwin, 1992.

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Easterly, William Russell. Can institutions resolve ethnic conflict? Washington, D.C: World Bank, Development Research Group, Macroeconomics and Growth, 2000.

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Jensen, Mark J. The long-run Fisher effect: Can it be tested? Atlanta, Ga.]: Federal Reserve Bank of Atlanta, 2006.

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Tooley, M. J. What we can do to minimise the greenhouse effect. [London]: The Ark Trust, 1989.

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Konstantopoulos, Spyros. How large an effect can we expect from school reforms? Bonn, Germany: IZA, 2006.

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Robert, O'Quinn, Ashford Nigel, and Adam Smith Institute, eds. The Kiwi effect: What Britain can learn from New Zealand. London: Adam Smith Institute, 1996.

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National Institutes of Health (U.S.) and National Institute on Aging, eds. Accidental hypothermia: The cold can be trouble for older people. [Bethesda, Md.?]: U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, 1993.

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Reece, Amanda. The effect of active listening training: Can the dull become interesting? Sudbury, Ont: Laurentian University, 2007.

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Book chapters on the topic "Cahn effect"

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Cahn, J. W. "The Impurity-Drag Effect in Grain Boundary Motion." In The Selected Works of John W. Cahn, 115–16. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118788295.ch15.

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Cahn, John W. "The Impurity-Drag Effect in Grain Boundary Motion." In The Selected Works of John W. Cahn, 117–26. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118788295.ch16.

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Wahid, Risqo, Heikki Karjaluoto, Dandison Ukpabi, and Kimmo Taiminen. "Can TikTok Sound Enhance Tourism SMEs’ Engagement?" In Information and Communication Technologies in Tourism 2023, 142–47. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-25752-0_15.

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AbstractThis study explores the role of sound and its interaction with marketer-generated content (MGC) (i.e., emotional, informational, transactional) in influencing customer engagement (CE) (i.e., views and shares) in the context of tourism SMEs and TikTok. Content analysis was conducted to analyze data from 7 travel guide services in Indonesia. The final dataset comprised 660 TikTok videos, 4,092,289 views, and 10,920 shares. The results confirm that cover sound has no direct effect either on views or shares. Also, cover sound has no interaction effects with any MGC in impacting CE (i.e., views and shares). Individually, the MGC of emotional content has significant and positive effects on views, while informational and transactional posts have no significant effects on views. Further, transactional social media posts have significant and positive effects on shares, while informational and emotional posts have no significant effects on shares. Theoretically, this study expands content marketing and tourism CE literature by investigating factors driving CE in the context of tourism SMEs and TikTok. Practically, findings from this research can assist tourism SMEs in optimizing their content marketing strategies on TikTok.
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Gell-Mann, Murray. "Can Supersymmetry be Connected to Observation?" In Electroweak Effects at High Energies, 783–99. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2451-5_51.

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Kukla, G. "Present, Past and Future Precipitation: Can We Trust the Models?" In Greenhouse Effect, Sea Level and Drought, 109–14. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0701-0_6.

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Tyystjärvi, Esa, Mika Keränen, Antti Koski, Olli Nevalainen, and Eva-Mari Aro. "Chlorophyll Fluorescence Can be Used to Identify Plant Species Automatically." In Photosynthesis: Mechanisms and Effects, 3857–60. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-3953-3_899.

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Brachthäuser, Jonathan Immanuel. "What You See Is What You Get: Practical Effect Handlers in Capability-Passing Style." In Ernst Denert Award for Software Engineering 2020, 15–43. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-83128-8_3.

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AbstractStructuring control flow is an essential task almost every programmer faces on a daily basis. At the same time, the control flow of software applications is becoming increasingly complicated, motivating languages to include more and more features like asynchronous programming and generators. Effect handlers are a promising alternative since they can express many of these features as libraries. To bring effect handlers closer to the software engineering practice, we present capability passing as an implementation technique for effect handlers. Capability passing provides the basis for the integration of effect handlers into mainstream object-oriented programming languages and thereby unlocks novel modularization strategies. It also enables programmers to apply lexical reasoning about effects and gives rise to a new form of effect polymorphism. Finally, it paves the path for efficient compilation strategies of control effects.
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Rossberg, Andreas. "1ML with Special Effects." In A List of Successes That Can Change the World, 336–55. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30936-1_18.

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Vannucci, Giulia, Anna Gottard, Leonardo Grilli, and Carla Rampichini. "Random effects regression trees for the analysis of INVALSI data." In Proceedings e report, 29–34. Florence: Firenze University Press, 2021. http://dx.doi.org/10.36253/978-88-5518-304-8.07.

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Mixed or multilevel models exploit random effects to deal with hierarchical data, where statistical units are clustered in groups and cannot be assumed as independent. Sometimes, the assumption of linear dependence of a response on a set of explanatory variables is not plausible, and model specification becomes a challenging task. Regression trees can be helpful to capture non-linear effects of the predictors. This method was extended to clustered data by modelling the fixed effects with a decision tree while accounting for the random effects with a linear mixed model in a separate step (Hajjem & Larocque, 2011; Sela & Simonoff, 2012). Random effect regression trees are shown to be less sensitive to parametric assumptions and provide improved predictive power compared to linear models with random effects and regression trees without random effects. We propose a new random effect model, called Tree embedded linear mixed model, where the regression function is piecewise-linear, consisting in the sum of a tree component and a linear component. This model can deal with both non-linear and interaction effects and cluster mean dependencies. The proposal is the mixed effect version of the semi-linear regression trees (Vannucci, 2019; Vannucci & Gottard, 2019). Model fitting is obtained by an iterative two-stage estimation procedure, where both the fixed and the random effects are jointly estimated. The proposed model allows a decomposition of the effect of a given predictor within and between clusters. We will show via a simulation study and an application to INVALSI data that these extensions improve the predictive performance of the model in the presence of quasi-linear relationships, avoiding overfitting, and facilitating interpretability.
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Watson, Richard A., Niclas Palmius, Rob Mills, Simon T. Powers, and Alexandra Penn. "Can Selfish Symbioses Effect Higher-Level Selection?" In Advances in Artificial Life. Darwin Meets von Neumann, 27–36. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21314-4_4.

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Conference papers on the topic "Cahn effect"

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Wong, Brian, Adrian H. Kitai, and Paul E. Jessop. "Pockels' effect in polycrystalline ZnS planar waveguides." In Rochester, CAN-AM, edited by Ronald L. Antos and Allen J. Krisiloff. SPIE, 1991. http://dx.doi.org/10.1117/12.47801.

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Elsharafi, M., K. Vidal, and R. Thomas. "Measurements of the Contact Angles for Various Fluids Which Are Widely Used in the Oilfields to Improve Oil Recovery." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86717.

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Contact angle measurements are important to determine surface and interfacial tension between solids and fluids. A ‘water-wet’ condition on the rock face is necessary in order to extract oil. In this research, the objectives are to determine the wettability (water-wet or oil-wet), analyze how different brine concentrations will affect the wettability, and study the effect of the temperature on the dynamic contact angle measurements. This will be carried out by using the Cahn Dynamic Contact Angle. Analyzer DCA 315 to measure the contact angle between different fluids such as surfactant, alkaline, and mineral oil. This instrument is also used to measure the surface properties such as surface tension, contact angle, and interfacial tension of solid and liquid samples by using the Wilhelmy technique. The work used different surfactant and oil mixed with different alkaline concentrations. Varying alkaline concentrations from 20ml to 1ml were used, whilst keeping the surfactant concentration constant at 50ml.. It was observed that contact angle measurements and surface tension increase with increased alkaline concentrations. Therefore, we can deduce that they are directly proportional. We noticed that changing certain values on the software affected our results. It was found that after calculating the density and inputting it into the CAHN software, more accurate readings for the surface tension were obtained. We anticipate that the surfactant and alkaline can change the surface tension of the solid surface. In our research, surfactant is desirable as it maintains a high surface tension even when alkaline percentage is increased.
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Shang, Yingrui, David Kazmer, Ming Wei, Carol Barry, and Joey Mead. "Numerical Simulation of the Phase Separation of a Polymer-Polymer-Solvent Ternary System on a Heterogeneously Functionalized Substrate." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-67209.

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The spinodal decomposition of a polymer-polymer-solvent ternary system was investigated in a 3-dimensional numerical model. The Cahn-Hilliard equation was employed to describe the free energy profile of the domain. A heterogeneously functionalized substrate was also implemented into the model to simulate the effect of substrate attraction. The mechanism of the morphology evolution was studied quantitatively. The well established linear relationship of the characteristic length, R(t) with t1/3 can be observed in the simulation results. The compatibility of the result pattern and the pattern on the substrate was measured by a scalar, Cs. The influence of the solvent concentration on the refinement of the result pattern was studied in this work. A critical time can be observed from the evolution of the value of Cs. The morphology evolution of a system considering the solvent evaporation was also studied.
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Kwakkel, Marcel, Maria Fernandino, and Carlos A. Dorao. "Numerical Simulation of Liquid-Liquid Taylor Flow With Heat Transfer." In ASME 2019 17th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/icnmm2019-4214.

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Abstract Numerical simulation of Taylor flows presents several challenges. At the dynamic interface physical properties are discontinuous, which is especially challenging for the thin film between the droplet and the wall. Phase-field methods, which are derived from thermodynamic principles, define the interface as a smooth transition between phases. By coupling the Cahn-Hilliard equation with the Navier-Stokes and energy equation, both interface dynamics and heat transfer can be captured. In the work presented, the resulting system of equations are solved by a parallel h-adaptive least-squares spectral element method. To approximate the solution with sufficient numerical accuracy, C1 Hermite basis functions and a space-time formulation have been applied. It is widely accepted in the literature that the droplet characteristics such as length, velocity and dynamic interaction among them affect the heat transfer properties of Taylor flow. To gain understanding, their effect on heat transfer and pressure drop for liquid-liquid Taylor flow in microchannels must be studied in more detail.
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Jurchescu, Oana D. "Can solution-processed organic thin-film transistors enable ubiquitous electronics? (Conference Presentation)." In Organic and Hybrid Field-Effect Transistors XXI, edited by Oana D. Jurchescu and Iain McCulloch. SPIE, 2022. http://dx.doi.org/10.1117/12.2639414.

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Kotzinian, A. "INCLUDING CAHN AND SIVERS EFFECTS INTO EVENT GENERATORS." In Transversity 2005. WORLD SCIENTIFIC, 2006. http://dx.doi.org/10.1142/9789812773272_0027.

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ANSELMINO, M., M. BOGLIONE, U. D’ALESIO, A. KOTZINIAN, F. MURGIA, and A. PROKUDIN. "COMMENTS ON CAHN AND SIVERS EFFECTS IN SIDIS." In Proceedings of the 16th International Spin Physics Symposium and Workshop on Polarized Electron Sources and Polarimeters. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701909_0072.

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Cruz-Colon, J., V. Narayanan, W. N. Vonbergen, R. G. Roybal, and R. C. Baumann. "Radiation Evaluation of the HVD233-SP CAN Transceiver." In 2018 IEEE Nuclear & Space Radiation Effects Conference (NSREC 2018). IEEE, 2018. http://dx.doi.org/10.1109/nsrec.2018.8584316.

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Patel, J. S. "Spatial Light Modulators Using Flexoelectric Effect." In Spatial Light Modulators and Applications. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/slma.1990.mc2.

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Flexoelectric effect1 in liquid crystal is important for spatial light modulators because it allows for polar effect in liquid crystals. The commonly used electro-optic effect for nematic liquid crystal is the dielectric effect whose magnitude is proportional to the square of the applied electric field. For this process the "switch on" process can be accelerated by applying larger values of the electric field, but there is no electrical control over the "switch off process. The "switch off process depends on the sample thickness and elastic properties of the system. In contrast to these processes the polar effects such as the flexoelectric effect1 and the more popular ferroelectric effect2 allows for electrical control over both the "switch on" and the "switch off" times.
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Von Thun, Matt, Derek Bass, Dale Walz, Rex Anderson, and Teresa Farris. "SEL and TID Test Results of a Hardened CAN Transceiver." In 2016 IEEE Nuclear & Space Radiation Effects Conference (NSREC 2016). IEEE, 2016. http://dx.doi.org/10.1109/nsrec.2016.7891734.

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Reports on the topic "Cahn effect"

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Ferreyra, Maria Marta, Carlos Garriga, Juan D. Martin-Ocampo, and Angélica María Sánchez Díaz. Raising College Access and Completion: How Much Can Free College Help? Banco de la República de Colombia, February 2021. http://dx.doi.org/10.32468/be.1155.

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Free college proposals have become increasingly popular in many countries of the world. To evaluate their potential effects, we develop and estimate a dynamic model of college enrollment, performance, and graduation. A central piece of the model, student effort, has a direct effect on class completion, and an indirect effect in mitigating the risk of not completing a class or not remaining in college. We estimate the model using rich, student-level administrative data from Colombia, and use the estimates to simulate free college programs that differ in eligibility requirements. Among these, universal free college expands enrollment the most, but it does not affect graduation rates and has the highest per-graduate cost. Performance-based free college, in contrast, delivers a slightly lower enrollment expansion yet a greater graduation rate at a lower per-graduate cost. Relative to universal free college, performance-based free college places a greater risk on students but is precisely this feature that delivers better outcomes. Nonetheless, the modest increase in graduation rates suggests that additional, complementary policies might be required to elicit the large effort increase needed to raise graduation rates.
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Busso, Matías, and Verónica Frisancho. Research Insights: Can Good Peers Hurt?: The Effect of Top Students on Girls' Educational Outcomes. Inter-American Development Bank, July 2021. http://dx.doi.org/10.18235/0003565.

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Exposure to good peers of either sex during middle school reduces the probability that top-performing girls are placed in one of their preferred high schools. High-achieving boys have a detrimental effect on the selectiveness of the schools in which top female students are placed. These placement effects are driven by both lower admission scores and weakened preferences for selective and academic schools. Exposure to high-achieving girls improves the admission exam scores of poor-performing girls. This protective effect on scores translates into an average increase in the selectivity of the high schools in which low-performing girls are placed.
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Frisancho, Veronica, Evi Pappa, and Chiara Santantonio. When Women Win: Can Female Representation Decrease Gender-Based Violence? Inter-American Development Bank, October 2022. http://dx.doi.org/10.18235/0004513.

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Every day, three women are murdered in the United States by a current or former partner. Yet policy action to prevent gender-based violence has been limited. Previous studies have highlighted the effect of female political representation on crimes against women in the developing world. This paper investigates whether the election of a female politician reduces the incidence of gender-based violence in the United States. Using a regression discontinuity design on mixed-gender races, we find that the election of a female House Representative leads to a short-lived decline in the prevalence of femicides in her electoral district. The drop in femicides is mainly driven by a deterrence effect that results from higher police responsiveness and effort in solving gender-related crimes.
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Ciofi degli Atti, C., and S. Liuti. The classical EMC effect from few-body systems to nuclear matter: Can binding effects explain it? Office of Scientific and Technical Information (OSTI), May 1991. http://dx.doi.org/10.2172/10106963.

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Ciofi degli Atti, C., and S. Liuti. The classical EMC effect from few-body systems to nuclear matter: Can binding effects explain it. Office of Scientific and Technical Information (OSTI), May 1991. http://dx.doi.org/10.2172/6095026.

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Bitler, Marianne, Jonah Gelbach, and Hilary Hoynes. Can Variation in Subgroups' Average Treatment Effects Explain Treatment Effect Heterogeneity? Evidence from a Social Experiment. Cambridge, MA: National Bureau of Economic Research, May 2014. http://dx.doi.org/10.3386/w20142.

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Frisancho, Verónica, Alejandro Herrera, and Silvia Prina. Can a Budget Recording Tool Teach Financial Skills to Youth?: Experimental Evidence from a Financial Diaries Study. Inter-American Development Bank, October 2021. http://dx.doi.org/10.18235/0003691.

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We study the impact of a mobile app to record daily financial transactions, coupled with enumerator monitoring visits every two weeks, on youths' investment in financial literacy and financial behavior. The treatment led to a positive and statistically significant effect on financial literacy scores and greater awareness of market prices. Youth in the treatment group experienced significant improvements in access to credit. These effects persist eight months after the intervention is over.
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Ahumada, Hildegart, Eduardo A. Cavallo, Santos Espina-Mairal, and Fernando Navajas. Research Insights: Can Better Infrastructure Offset the Negative Impacts That COVID-19 Has Had on Productivity in Different Economic Sectors? Inter-American Development Bank, September 2021. http://dx.doi.org/10.18235/0003682.

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The effects of COVID-19 have been stronger in service-related subsectors, where supply and/or demand were constrained by lockdowns and social distancing measures. The losses in these subsectors have had direct impacts-through their weight in countries GDP-and indirect impacts through their effect on other sectors. In Latin America, effects on the three most affected sectors-wholesale, retail, and hospitality services; construction; and manufacturing-add up to a 4.9 percent hit to economy-wide labor productivity through direct and indirect channels. Large productivity improvements in infrastructure may be needed to fully compensate for the negative productivity losses traceable to COVID-19.
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Ahumada, Hildegart, Eduardo A. Cavallo, Santos Espina-Mairal, and Fernando Navajas. Research Insights: Can Better Infrastructure Offset the Negative Impacts That COVID-19 Has Had on Productivity in Different Economic Sectors? Inter-American Development Bank, September 2021. http://dx.doi.org/10.18235/0003682.

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The effects of COVID-19 have been stronger in service-related subsectors, where supply and/or demand were constrained by lockdowns and social distancing measures. The losses in these subsectors have had direct impacts-through their weight in countries GDP-and indirect impacts through their effect on other sectors. In Latin America, effects on the three most affected sectors-wholesale, retail, and hospitality services; construction; and manufacturing-add up to a 4.9 percent hit to economy-wide labor productivity through direct and indirect channels. Large productivity improvements in infrastructure may be needed to fully compensate for the negative productivity losses traceable to COVID-19.
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Alessandro, Martín, Bruno Cardinale Lagomarsino, Carlos Scartascini, and Jerónimo Torrealday. Research Insights: How Can Governments Build Trust? Inter-American Development Bank, February 2021. http://dx.doi.org/10.18235/0003028.

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Feedback on government performance can affect how much citizens trust government. The City of Buenos Aires ran an experiment testing different framings of government performance and their impact on citizens perceptions of institutional trust. Government perceptions were not changed by a language of empathy nor efficiency in communications, but trust was increased by providing positive feedback. The effect of communications had a significantly smaller impact on those already familiar with performance information, suggesting that providing information can have a long-lasting effect on citizens perceptions of government efficiency.
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