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Journal articles on the topic 'Scaled t–distribution'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Huang, Hening. "A minimum entropy criterion for distribution selection for measurement uncertainty analysis." Measurement Science and Technology 35, no. 3 (2023): 035014. http://dx.doi.org/10.1088/1361-6501/ad1476.

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Abstract This paper presents a minimum entropy criterion for selecting the best probability distribution among a set of candidate distributions based on available information for measurement uncertainty analysis. We consider two cases that are most commonly encountered in practice: A and B. In Case A, the available information is a series of observations. In Case B, the available information is the maximum permissible error according to manufacturer’s specification. Three candidate distributions are considered in Case A: the scaled and shifted z-distribution (i.e. normal distribution), the sca

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Gordy, Michael B. "Finite-Dimensional Distributions of a Square-Root Diffusion." Journal of Applied Probability 51, no. 04 (2014): 930–42. http://dx.doi.org/10.1017/s002190020001189x.

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We derive multivariate moment generating functions for the conditional and stationary distributions of a discrete sample path of n observations of a square-root diffusion (CIR) process, X(t). For any fixed vector of observation times t 1,…,t n , we find the conditional joint distribution of (X(t 1),…,X(t n )) is a multivariate noncentral chi-squared distribution and the stationary joint distribution is a Krishnamoorthy-Parthasarathy multivariate gamma distribution. Multivariate cumulants of the stationary distribution have a simple and computationally tractable expression. We also obtain the m

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Kiriya, Ilya, and Christoph Kopp. "Series representation of time-stable stochastic processes." Probability and Mathematical Statistics 38, no. 2 (2018): 299–315. http://dx.doi.org/10.19195/0208-4147.38.2.4.

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A stochastically continuous process ξt, t≥0, is said to be time-stable if the sum of n i.i.d. copies of ξ equals in distribution the time-scaled stochastic process ξnt, t≥0. The paper advances the understanding of time-stable processes by means of their LePage series representations as the sum of i.i.d. processes with the arguments scaled by the sequence of successive points of the unit intensity Poisson process on [0;∞. These series yield numerous examples of stochastic processes that share one-dimensional distributions with a Lévy process.

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Gordy, Michael B. "Finite-Dimensional Distributions of a Square-Root Diffusion." Journal of Applied Probability 51, no. 4 (2014): 930–42. http://dx.doi.org/10.1239/jap/1421763319.

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We derive multivariate moment generating functions for the conditional and stationary distributions of a discrete sample path of n observations of a square-root diffusion (CIR) process, X(t). For any fixed vector of observation times t1,…,tn, we find the conditional joint distribution of (X(t1),…,X(tn)) is a multivariate noncentral chi-squared distribution and the stationary joint distribution is a Krishnamoorthy-Parthasarathy multivariate gamma distribution. Multivariate cumulants of the stationary distribution have a simple and computationally tractable expression. We also obtain the moment

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Brun, Marte Beheim, Andrei Shpak, and Stefan Jacobsen. "Shape and Size of Particles Scaled from Concrete Surfaces during Salt Frost Testing and Rapid Freeze/thaw in Water." Nordic Concrete Research 64, no. 1 (2021): 53–68. http://dx.doi.org/10.2478/ncr-2021-0001.

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Abstract Thickness (T), Length (L), Width (W) and size distribution of scaled concrete particles in frost testing were measured. T (mm) increases with particle size surprisingly similarly for different concrete qualities and frost test methods. 2T/(L+W) reduces as function of size and is lowest for the largest particles of the salt scaling test: 0.1 – 0.15 but increases if large aggregate particles scale. Particle size distributions from salt frost testing peak for particles of 1-2 mm. The particles are flakier compared to particles from freeze/thaw in water which also have flatter size distri

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Li, Yuqiang. "On a Continuous-State Population-Size-Dependent Branching Process and Its Extinction." Journal of Applied Probability 43, no. 01 (2006): 195–207. http://dx.doi.org/10.1017/s0021900200001467.

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A continuous-state population-size-dependent branching process {X t } is a modification of the Jiřina process. We prove that such a process arises as the limit of a sequence of suitably scaled population-size-dependent branching processes with discrete states. The extinction problem for the population X t is discussed, and the limit distribution of X t / t obtained when X t tends to infinity.

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Plog, J. P., W. M. Kulicke, and C. Clasen. "Influence of the Molar Mass Distribution on the Elongational Behaviour of Polymer Solutions in Capillary Breakup." Applied Rheology 15, no. 1 (2005): 28–37. http://dx.doi.org/10.1515/arh-2005-0002.

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AbstractCommercially available, blended methylhydroxyethyl celluloses with similar weight-average molar masses but varying molar mass distributions were characterized by different techniques like steady shear flow and uniaxial elongation in capillary breakup experiments. The determined relaxation times t were then correlated with the absolute molar mass distribution acquired via SEC/MALLS/DRI (combined methods of size-exclusion-chromatography, multi angle laser light scattering and differential refractometer). In order to describe the longest relaxation time of the polymers in uniaxial elongat

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Orlando, Giuseppe, and Michele Bufalo. "Empirical Evidences on the Interconnectedness between Sampling and Asset Returns’ Distributions." Risks 9, no. 5 (2021): 88. http://dx.doi.org/10.3390/risks9050088.

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The aim of this work was to test how returns are distributed across multiple asset classes, markets and sampling frequency. We examine returns of swaps, equity and bond indices as well as the rescaling by their volatilities over different horizons (since inception to Q2-2020). Contrarily to some literature, we find that the realized distributions of logarithmic returns, scaled or not by the standard deviations, are skewed and that they may be better fitted by t-skew distributions. Our finding holds true across asset classes, maturity and developed and developing markets. This may explain why m

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9

Chandrasekara, Vasana, Chandima Tilakaratne, and Musa Mammadov. "An Improved Probabilistic Neural Network Model for Directional Prediction of a Stock Market Index." Applied Sciences 9, no. 24 (2019): 5334. http://dx.doi.org/10.3390/app9245334.

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Financial market prediction attracts immense interest among researchers nowadays due to rapid increase in the investments of financial markets in the last few decades. The stock market is one of the leading financial markets due to importance and interest of many stakeholders. With the development of machine learning techniques, the financial industry thrived with the enhancement of the forecasting ability. Probabilistic neural network (PNN) is a promising machine learning technique which can be used to forecast financial markets with a higher accuracy. A major limitation of PNN is the assumpt

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Abate, Joseph, and Ward Whitt. "Limits and Approximations for the Busy-Period Distribution in Single-Server Queues." Probability in the Engineering and Informational Sciences 9, no. 4 (1995): 581–602. http://dx.doi.org/10.1017/s0269964800004071.

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Limit theorems are established and relatively simple closed-form approximations are developed for the busy-period distribution in single-server queues. For the M/G/l queue, the complementary busy-period c.d.f. is shown to be asymptotically equivalent as t → ∞ to a scaled version of the heavy-traffic limit (obtained as p → 1), where the scaling parameters are based on the asymptotics as t → ∞. We call this the asymptotic normal approximation, because it involves the standard normal c.d.f. and density. The asymptotic normal approximation is asymptotically correct as t → ∞ for each fixed p and as

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Chandrasekara, N. V., M. A. Mammadov, and C. D. Tilakaratne. "PARAMETER ESTIMATION OF MULTIVARIATE SCALED t DISTRIBUTION: AN APPLICATION TO ALL SHARE PRICE INDEX." Advances and Applications in Statistics 49, no. 4 (2016): 287–303. http://dx.doi.org/10.17654/as049040287.

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Sales, Francisco Das Chagas Vieira, José Antonio Aleixo da Silva, Rinaldo Luiz Caraciolo Ferreira, and Fernando Henrique de Lima Gadelha. "AJUSTES DE MODELOS VOLUMÉTRICOS PARA O CLONE Eucalyptus grandis x E. urophylla CULTIVADOS NO AGRESTE DE PERNAMBUCO." FLORESTA 45, no. 4 (2015): 663. http://dx.doi.org/10.5380/rf.v45i4.37594.

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O presente trabalho teve como objetivo avaliar o ajuste de modelos volumétricos para um clone de Eucalyptus usando distribuição normal e t-Student, utilizando dados de um experimento implantado no Instituto Agronômico de Pernambuco (IPA) em São Bento do Una, PE. Para o ajuste dos modelos volumétricos de Silva e Bailey modificado, Chapman e Richard modificado, Schumacher e Hall e, Brody modificado, foram utilizados dados de 62 árvores cubadas rigorosamente pelo método de Smalian. Os critérios usados nas comparações das equações foi o valor ponderado (VP) entre o Índice de Ajuste corrigido (IAc)

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Santra, Ion, Durgesh Ajgaonkar, and Urna Basu. "The dichotomous acceleration process in one dimension: position fluctuations." Journal of Statistical Mechanics: Theory and Experiment 2023, no. 8 (2023): 083201. http://dx.doi.org/10.1088/1742-5468/ace3b5.

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Abstract We study the motion of a one-dimensional particle that reverses its direction of acceleration stochastically. We focus on two contrasting scenarios, where the waiting times between two consecutive acceleration reversals are drawn from (i) an exponential distribution and (ii) a power-law distribution ρ ( τ ) ∼ τ − ( 1 + α ) . We compute the mean, variance and short-time distribution of the position x(t) using a trajectory-based approach. We show that, while for the exponential waiting time, ⟨ x 2 ( t ) ⟩ ∼ t 3 at long times, for the power-law case, a non-trivial algebraic growth ⟨ x 2

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Thomas, Lois, Wojciech W. Grabowski, and Bipin Kumar. "Diffusional growth of cloud droplets in homogeneous isotropic turbulence: DNS, scaled-up DNS, and stochastic model." Atmospheric Chemistry and Physics 20, no. 14 (2020): 9087–100. http://dx.doi.org/10.5194/acp-20-9087-2020.

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Abstract. This paper presents a novel methodology to use direct numerical simulation (DNS) to study the impact of isotropic homogeneous turbulence on the condensational growth of cloud droplets. As shown by previous DNS studies, the impact of turbulence increases with the computational domain size, that is, with the Reynolds number, because larger eddies generate higher and longer-lasting supersaturation fluctuations that affect growth of individual cloud droplets. The traditional DNS can only simulate a limited range of scales because of the excessive computational cost that comes from resolv

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15

Li, Yuqiang. "On a Continuous-State Population-Size-Dependent Branching Process and Its Extinction." Journal of Applied Probability 43, no. 1 (2006): 195–207. http://dx.doi.org/10.1239/jap/1143936253.

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A continuous-state population-size-dependent branching process {Xt} is a modification of the Jiřina process. We prove that such a process arises as the limit of a sequence of suitably scaled population-size-dependent branching processes with discrete states. The extinction problem for the population Xt is discussed, and the limit distribution of Xt / t obtained when Xt tends to infinity.

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16

Carkovs, Jevgeņijs, and Kārlis Šadurskis. "Dynamics of a Population Subject to Impulse Type Random Loss." Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences. 71, no. 4 (2017): 298–302. http://dx.doi.org/10.1515/prolas-2017-0050.

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Abstract We present a qualitative population growth analysis approach using the Pearl logistic population growth differential equation for a population with the intensity of birth a, stationary size K to instances of fast small random population size extractions proportional to εξn at random time moments τn, where ε is the small positive parameter. Assuming that the intervals τn − τn−1 are independent identically exponentially distributed random variables with the parameter λ / ε, and that ξn are the independent identically distributed positive random variables with the mean h and the variance

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17

Barbachan, José Santiago Fajardo, Aquiles Rocha de Farias, and José Renato Haas Ornelas. "Um teste de ajuste com foco no valor em risco condicionado." Brazilian Review of Finance 6, no. 2 (2008): 139. http://dx.doi.org/10.12660/rbfin.v6n2.2008.1300.

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To verify whether an empirical distribution has a speciﬁc theoretical distribution, several tests have been used like the Kolmogorov-Smirnov and the Kuiper tests. These tests try to analyze if all parts of the empirical distribution has a speciﬁc theoretical shape. But, in a Risk Management framework, the focus of analysis should be on the tails of the distributions, since we are interested on the extreme returns of ﬁnancial assets. This paper proposes a new goodness-of-ﬁt hypothesis test with focus on the tails of the distribution. The new test is based on the Conditional Value at Risk measur

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18

Meru, Farzana, Marina Galvagni, Christoph Olczak, and Pascale Garaud. "Large grains can grow in circumstellar discs." Proceedings of the International Astronomical Union 8, S299 (2013): 169–70. http://dx.doi.org/10.1017/s1743921313008247.

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AbstractWe perform coagulation & fragmentation simulations to understand grain growth in T Tauri & brown dwarf discs. We present a physically-motivated approach using a probability distribution function for the collision velocities and separating the deterministic & stochastic velocities. We find growth to larger sizes compared to other models. Furthermore, if brown dwarf discs are scaled-down versions of T Tauri discs (in terms of stellar & disc mass, and disc radius), growth at the same location with respect to the outer edge occurs to similar sizes in both discs.

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19

Farjas, J., and P. Roura. "Solid-phase crystallization under continuous heating: Kinetic and microstructure scaling laws." Journal of Materials Research 23, no. 2 (2008): 418–26. http://dx.doi.org/10.1557/jmr.2008.0045.

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The kinetics and microstructure of solid-phase crystallization under continuous heating conditions and random distribution of nuclei are analyzed. An Arrhenius temperature dependence is assumed for both nucleation and growth rates. Under these circumstances, the system has a scaling law such that the behavior of the scaled system is independent of the heating rate. Hence, the kinetics and microstructure obtained at different heating rates differ only in time and length scaling factors. Concerning the kinetics, it is shown that the extended volume evolves with time according to αex = [exp(κCt′)

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Mineshige, Shin, and Eiko Kawazoe. "Non-Stationary Disk Accretion in T Tauri Stars." Publications of the Astronomical Society of Japan 45, no. 2 (1993): 191–99. https://doi.org/10.1093/pasj/45.2.191.

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Abstract The time evolution of viscous disks around young stellar objects was investigated using the standard accretion disk model. When the disk viscosity is prescribed, we are able to calculate the gas diffusion process in the disk for a given initial distribution of the disk mass. The resultant spectra (ν fν) are flatter than that expected in the steady disk model (ν fν ∝ ν4/3) within the diffusion timescale, t &lt; tdif, based on the conditions that (1) the diffusion timescale is an increasing function of radius (i.e., a &lt; 2, when kinematic viscosity is scaled as νk ∝ ra), and (

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Alcaraz López, Onel L., Evelio M. Garcia Fernández, and Matti Latva-aho. "Fitting the Distribution of Linear Combinations of t − Variables with more than 2 Degrees of Freedom." Journal of Probability and Statistics 2023 (June 9, 2023): 1–13. http://dx.doi.org/10.1155/2023/9967290.

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The linear combination of Student’s t random variables (RVs) appears in many statistical applications. Unfortunately, the Student’s t distribution is not closed under convolution, thus, deriving an exact and general distribution for the linear combination of K Student’s t RVs is infeasible, which motivates a fitting/approximation approach. Here, we focus on the scenario where the only constraint is that the number of degrees of freedom of each t − RV is greater than two. Notice that since the odd moments/cumulants of the Student’s t distribution are zero and the even moments/cumulants do not e

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22

Hazra, Animesh, Anirban Mukherjee, and Punyabrata Pradhan. "Dynamic fluctuations of current and mass in nonequilibrium mass transport processes." Journal of Statistical Mechanics: Theory and Experiment 2024, no. 8 (2024): 083205. http://dx.doi.org/10.1088/1742-5468/ad5c56.

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Abstract We study steady-state dynamic fluctuations of current and mass in several variants of random average processes on a ring of L sites. These processes violate detailed balance in the bulk and have nontrivial spatial structures: their steady states are not described by the Boltzmann–Gibbs distribution and can have nonzero spatial correlations. Using a microscopic approach, we exactly calculate the second cumulants, or the variance, ⟨ Q i 2 ( T ) ⟩ c and ⟨ Q sub 2 ( l , T ) ⟩ c , of cumulative (time-integrated) currents up to time T across the ith bond and across a subsystem of size l (su

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Toor, Amir A., Abdullah A. Toor, Mohamed Rahmani, and Masoud H. Manjili. "On the organization of human T-cell receptor loci: log-periodic distribution of T-cell receptor gene segments." Journal of The Royal Society Interface 13, no. 114 (2016): 20150911. http://dx.doi.org/10.1098/rsif.2015.0911.

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The human T-cell repertoire is complex and is generated by the rearrangement of variable (V), diversity (D) and joining (J) segments on the T-cell receptor (TCR) loci. The T-cell repertoire demonstrates self-similarity in terms clonal frequencies when defined by V, D and J gene segment usage; therefore to determine whether the structural ordering of these gene segments on the TCR loci contributes to the observed clonal frequencies, the TCR loci were examined for self-similarity and periodicity in terms of gene segment organization. Logarithmic transformation of numeric sequence order demonstra

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Saint‐Raymond, Laure. "Incompressible hydrodynamic limits for a kinetic model of waves–particles interaction." Asymptotic Analysis 19, no. 2 (1999): 149–83. https://doi.org/10.3233/asy-1999-333.

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The macroscopic dynamics of a kinetic equation involving a model wave–particle collision operator of plasma physics (see Degond and Peyrard, C. R. Acad. Sci. Paris 323, 1996) is investigated. Using relative entropy estimates about an absolute Maxwellian, it is shown, as in Bardos, Golse and Levermore (Comm. Pure Appl. Math. 46(5), 1993), that any properly scaled sequence of solutions has fluctuations that converge to a limiting density of the form $g=U(x,t).v +P_0 g(x,t)({\vert v\vert ^2/2})$ with fluid variables that satisfy the incompressibility and Boussinesq relations. For a convenient sca

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Dorndorf, Alexander, Boris Kargoll, Jens-André Paffenholz, and Hamza Alkhatib. "Bayesian Robust Multivariate Time Series Analysis in Nonlinear Models with Autoregressive and t-Distributed Errors." Engineering Proceedings 5, no. 1 (2021): 20. http://dx.doi.org/10.3390/engproc2021005020.

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Many geodetic measurement data can be modelled as a multivariate time series consisting of a deterministic (“functional”) model describing the trend, and a stochastic model of the correlated noise. These data are also often affected by outliers and their stochastic properties can vary significantly. The functional model of the time series is usually nonlinear regarding the trend parameters. To deal with these characteristics, a time series model, which can generally be explained as the additive combination of a multivariate, nonlinear regression model with multiple univariate, covariance-stati

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Barnes, Curt, Colin Strine, Bartosz Nadolski, et al. "Bayesian insights into Green Pit Viper Trimeresurus (Cryptelytrops) macrops sexual dimorphism with respect to influence of gravidity and habitat disturbance." Herpetological Journal 33, no. 4 (2023): 88–96. http://dx.doi.org/10.33256/33.4.8896.

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Sexual dimorphism is expressed in many taxa as a form of resource partitioning and as a response to unique challenges faced by male and female organisms. We investigated this phenomenon for an arboreal green pit viper species, Trimeresurus macrops, previously suggested to display obvious sexual dimorphism. We evaluated seven external characters and scaled mass index (SMI) of 73 vipers (N = 32 males, N = 41 females) obtained during night surveys and opportunistic searches in north-east Thailand from January 2015–January 2017. We utilised Bayesian inference to investigate the influence of sex, g

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Huang, Hening. "Why the scaled and shifted t-distribution should not be used in the Monte Carlo method for estimating measurement uncertainty?" Measurement 136 (March 2019): 282–88. http://dx.doi.org/10.1016/j.measurement.2018.12.089.

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Coe, Mary K., Robert Evans, and Nigel B. Wilding. "The coexistence curve and surface tension of a monatomic water model." Journal of Chemical Physics 156, no. 15 (2022): 154505. http://dx.doi.org/10.1063/5.0085252.

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We study the monatomic water model of Molinero and Moore the grand canonical ensemble Monte Carlo simulation. Measurements of the probability distribution of the number density obtained via multicanonical sampling and histogram reweighting provide accurate estimates of the temperature dependence of both the liquid–vapor coexistence densities and the surface tension. Using finite-size scaling methods, we locate the liquid–vapor critical point at T c = 917.6 K, ρ c = 0.311 g cm−3. When plotted in scaled variables, in order to test the law of corresponding states, the coexistence curve of monatom

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Tasneem Sofri, Hasliza A Rahim, Allan Melvin Andrew, Ping Jack Soh, Latifah Munirah Kamarudin, and Nishizaki Hiromitsu. "Data Normalization Methods of Hybridized Multi-Stage Feature Selection Classification for 5G Base Station Antenna Health Effect Detection." Journal of Advanced Research in Applied Sciences and Engineering Technology 30, no. 2 (2023): 133–40. http://dx.doi.org/10.37934/araset.30.2.133140.

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It is essential to assess human exposure to Fifth Generation (5G) Radiofrequency Electromagnetic Field (RF-EMF) signal from Base Station (BS) sources operating at Low Band 5G at 700 MHz, Sub-6 Band 5G at 3.5 GHz, and Millimeter Wave (mmWave) 5G at 28 GHz. This assessment will help determine whether 5G technology is safe for people. Inconsistent results were found in previous epidemiological studies on the health effects of radiation exposure from Mobile Phones (MP) and BS when normalization methods were used to prepare the data for Machine Learning (ML), which could lead to misclassification b

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Dudoit, Sandrine, Mark J. van der Laan, and Katherine S. Pollard. "Multiple Testing. Part I. Single-Step Procedures for Control of General Type I Error Rates." Statistical Applications in Genetics and Molecular Biology 3, no. 1 (2004): 1–69. http://dx.doi.org/10.2202/1544-6115.1040.

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The present article proposes general single-step multiple testing procedures for controlling Type I error rates defined as arbitrary parameters of the distribution of the number of Type I errors, such as the generalized family-wise error rate. A key feature of our approach is the test statistics null distribution (rather than data generating null distribution) used to derive cut-offs (i.e., rejection regions) for these test statistics and the resulting adjusted p-values. For general null hypotheses, corresponding to submodels for the data generating distribution, we identify an asymptotic domi

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Toor, Abdullah A., and Amir A. Toor. "On The Organization Of Human T Cell Receptor Loci." Blood 122, no. 21 (2013): 2292. http://dx.doi.org/10.1182/blood.v122.21.2292.2292.

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Abstract T cell repertoire in health and disease is complex, comprised of millions of unique T cell clones defined by hetero-dimeric T cell receptors (TCR). The a and b subunits of the TCR are products of genetic loci consisting of variable (V) and joining (J) segments in the case of TCR a (TRA), and V, J and diversity (D) segments in the case of TCR b (TRB). These gene segments are recombined to yield TCR a (VJ) or TCR b (VDJ). Recently we reported that T cell clonal frequency in normal stem cell donors, from the point of view of TCR b gene segment usage rather than being random, has a fracta

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MEESMANN, MALTE, JAN BOESE, DANTE R. CHIALVO, et al. "DEMONSTRATION OF 1/f FLUCTUATIONS AND WHITE NOISE IN THE HUMAN HEART RATE BY THE VARIANCE-TIME-CURVE: IMPLICATIONS FOR SELF-SIMILARITY." Fractals 01, no. 03 (1993): 312–20. http://dx.doi.org/10.1142/s0218348x93000332.

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Spectral analysis of heart rate variability is usually performed by Fast Fourier Transform. Here we demonstrate the self-affine properties of the human heart rate using a spectral analysis based on counting statistics. Each QRS complex is considered to be a point event and from the number of events N(Δt) in consecutive time windows Δt the variance is calculated. From the finding that the variance of N(Δt) follows a power law proportional to (Δt)1+b in case of 1/fb noise, it is shown that the variance of the heart rate as determined for windows of length Δt, i.e., N(Δt)/Δt, is proportional to (

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Frąckowiak, Andrzej, David Spura, Uwe Gampe, and Michał Ciałkowski. "Determination of heat transfer coefficient in a T-shaped cavity by means of solving the inverse heat conduction problem." International Journal of Numerical Methods for Heat & Fluid Flow 30, no. 4 (2019): 1725–42. http://dx.doi.org/10.1108/hff-09-2018-0484.

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Purpose T-shaped cavities occur by design in many technical applications. An example of such a stator cavity is the side space between the guide vane carriers and the outer casing of a steam turbine. Thermal conditions inside it have a significant impact on the deformation of the turbine casing. In order to improve its prediction, the purpose of this paper is to provide a methodology to gain better knowledge of the local heat transfer at the cavity boundaries based on experimental results. Design/methodology/approach To determine the heat transfer coefficient distribution inside a model cavity

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LIU, S. L., H. M. SHAO, and C. Y. HAN. "SCALING BEHAVIOR FOR RESISTANCE TRANSITION IN Hg-1223 SUPERCONDUCTOR UNDER PRESSURE." International Journal of Modern Physics B 22, no. 05 (2008): 539–46. http://dx.doi.org/10.1142/s0217979208038697.

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The effects of high pressure on the temperature dependence of the resistance transition of Hg -1223 superconductor are measured up to 7.8 GPa. At a pressure lower than 5.4 GPa, Tc increases from 130 K to a maximal value of 140 K with a rate of 1.85 K/GPa. At higher pressure, Tc begins to decrease. This pressure dependence of critical temperature can be explained with the sheet charge model, which introduces the inhomogeneous charge distribution in the inner and outer CuO 2 layer(s). The temperature dependence of the resistance under various pressure can be scaled onto a single curve with P=0ρ(

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Karrer, Gerhard. "Ökologische Zeigerwerte der Gefässpflanzen Österreichs." STAPFIA 117, no. 1 (2024): 1–146. http://dx.doi.org/10.2478/stapfia-2024-0001.

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Abstract Ecological indicator values for Austrian vascular plants. Ecological indicator values of plants serve as indirect indicators for the status of ecological parameters in absence of physico-chemical measurements at place. Ellenberg introduced seven parameters which are namely light (L), temperature (T), continentality (K), moisture (F), reaction (R), nutrients (N), and salt (S), to define optima of plant growth under natural conditions along gradients scaled to nine levels. The moisture gradient is even extended to twelve levels and additional codes give information about the tolerance o

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Wulandari, Audrey, and Nana Dyki Dirbawanto. "EFFECT OF WORK LIFE BALANCE AND WORK ENVIRONMENT ON EMPLOYEES JOB SATISFACTION IN THE NURSING DEPARTMENT AT MITRA SEJATI GENERAL HOSPITAL MEDAN." CASHFLOW : CURRENT ADVANCED RESEARCH ON SHARIA FINANCE AND ECONOMIC WORLDWIDE 2, no. 1 (2022): 186–96. http://dx.doi.org/10.55047/cashflow.v2i1.453.

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This study aims to determine and analyze the effect of work-life balance and the work environment on employee job satisfaction in the nursing department of Mitra Sejati General Hospital Medan. This study uses an associative research method with a quantitative approach. The study population was 530 staff from Mitra Sejati General Hospital in Medan. Research sample consist of 85 nurses which obtained by purposive sampling. Direct distribution of a Likert-scaled questionnaire is used for data collection. The method of data analysis utilized an instrument test of validity, reliability, a classical

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Ardell, Alan J., Dongman Kim, and Vidvuds Ozolins. "Ripening of L1₂ Ni₃Ti precipitates in the framework of the trans-interface diffusion-controlled theory of particle coarsening." International Journal of Materials Research 97, no. 3 (2006): 295–303. http://dx.doi.org/10.1515/ijmr-2006-0047.

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Abstract Data are presented on the kinetics of coarsening of γ′-type Ni3Ti precipitates (L12 crystal structure) in three binary Ni –Ti alloys containing 10.31, 11.84, and 13.72 at.% Ti aged at 720 °C for times up to 64 h. Data on the distributions of particle sizes (PSDs) are also presented. These data, as well as previously published data, are analyzed in light of a new theory of coarsening in which diffusion is controlled by transport through the non-sharp interface between the matrix and precipitate phases. The new theory, called the trans-interface diffusion-controlled (TIDC) theory of coa

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Brenan, Catherine, Markus Kienast, Vittorio Maselli, Christopher K. Algar, Benjamin Misiuk, and Craig J. Brown. "Seafloor sediment characterization improves estimates of organic carbon standing stocks: an example from the Eastern Shore Islands, Nova Scotia, Canada." Biogeosciences 21, no. 20 (2024): 4569–86. http://dx.doi.org/10.5194/bg-21-4569-2024.

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Abstract. Continental shelf sediments contain some of the largest stocks of organic carbon (OC) on Earth and play a vital role in influencing the global carbon cycle. Quantifying how much OC is stored in shelf sediments and determining its residence time is key to assessing how the ocean carbon cycle will be altered by climate change and possibly human activities. Spatial variations in terrestrial carbon stocks are well studied and mapped at high resolutions, but our knowledge of the distribution of marine OC in different seafloor settings is still very limited, particularly in dynamic and spa

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ZHIDONG, ZHANG, LIU JINWEI, and ZHANG WU. "A TWO-PARTICLE CLUSTER THEORY OF THE TRANSFORMED CHIRAL SYSTEM FOR LIQUID CRYSTALS." International Journal of Modern Physics B 14, no. 05 (2000): 475–83. http://dx.doi.org/10.1142/s0217979200000443.

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The chiral molecules are confined to the sites of a simple cubic lattice with their long axes in the XY-plane and the helix axis along the Z direction. The intermolecular interaction takes the form proposed by van der Meer et al. which is the simplest possible for chiral nematic liquid crystals. The chiral potential can thus be transformed to that for an achiral system but with different interactions between molecules in the same layer and those in neighboring layers. We have presented a generalized two-particle cluster theory which is suited for treating the model system with different neighb

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Cani, Andi, Scott A. Tomlins, Bryan Johnson, et al. "Antibody drug conjugates treatment response score (ADC TRS) for sequencing trastuzuamb deruxtecan (T-DXd) and sacituzumab govitecan (SG) in advanced breast cancer (aBC)." Journal of Clinical Oncology 43, no. 16_suppl (2025): 1053. https://doi.org/10.1200/jco.2025.43.16_suppl.1053.

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1053 Background: T-DXd, targeting HER2, is approved in hormone receptor positive or negative (HR+/-) HER2-low (1-2+ by immunohistochemistry [IHC]) and HR+/HER2-ultralow (0+ with membrane staining) aBC. SG, targeting TROP2, is approved in HR+/HER2 negative [ -; < 3+ by IHC] and triple negative BC (TNBC; HR-/HER2-). Given limitations in determining IHC 0-1+ status and lack of predictive biomarkers, biomarkers for sequencing these ADCs in those with HER2- aBC are needed. Recently, Thomas et al. reported the discovery of ADC TRS—a generalized model combining individual ADC target expression, pr

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Zhou, Quan, and Ke-Qing Xia. "Thermal boundary layer structure in turbulent Rayleigh–Bénard convection in a rectangular cell." Journal of Fluid Mechanics 721 (March 13, 2013): 199–224. http://dx.doi.org/10.1017/jfm.2013.73.

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AbstractWe report high-spatial-resolution measurements of the thermal boundary layer (BL) properties in turbulent thermal convection. The experiment was made near the lower conducting plate of a water-filled rectangular convection cell of height 0.76 m, with a Prandtl number$\mathit{Pr}= 4. 3$and over the Rayleigh-number range$2\times 1{0}^{10} \lt \mathit{Ra}\lt 7\times 1{0}^{11} $. Time series of the local temperature at various vertical distance$z$from the plate were measured. Statistical properties of the profiles of the temperature, i.e. the mean temperature$\langle T\rangle $, fluctuatin

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Virdi, Ajit, V. Gupta, and Archna Sharma. "Theoretical study of structure, vibrational and electronic spectra of isomers of methyl-3-methoxy-2-propenoate." Open Chemistry 2, no. 3 (2004): 456–79. http://dx.doi.org/10.2478/bf02476201.

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AbstractA systematic quantum mechanical study of the possible conformations, their relative stabilities, vibrational and electronic spectra and thermodynamic parameters of methyl-3-methoxy-2-propenoate has been reported for the electronic ground (S0) and first excited (S1) states using time-dependent and time-independent Density Functional Theory (DFT) and RHF methods in extended basis sets. Detailed studies have been restricted to the E-isomer, which is found to be substantially more stable than the Z-isomer. Four possible conformers c′Cc, c′Tc, t′Cc, t′Tc, of which the first two are most sta

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Tackenberg, Michael C., Jacob J. Hughey, and Douglas G. McMahon. "Distinct Components of Photoperiodic Light Are Differentially Encoded by the Mammalian Circadian Clock." Journal of Biological Rhythms 35, no. 4 (2020): 353–67. http://dx.doi.org/10.1177/0748730420929217.

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Seasonal light cycles influence multiple physiological functions and are mediated through photoperiodic encoding by the circadian system. Despite our knowledge of the strong connection between seasonal light input and downstream circadian changes, less is known about the specific components of seasonal light cycles that are encoded and induce persistent changes in the circadian system. Using combinations of 3 T cycles (23, 24, 26 h) and 2 photoperiods per T cycle (long and short, with duty cycles scaled to each T cycle), we investigate the after-effects of entrainment to these 6 light cycles.

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Fassò, Alessandro, Hannes Keernik, and Kalev Rannat. "On the Kalman Smoother Interpolation Error Distribution in Collocation Comparison of Atmospheric Profiles." Axioms 12, no. 10 (2023): 902. http://dx.doi.org/10.3390/axioms12100902.

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The intercomparison between different atmospheric monitoring systems is key for instrument calibration and validation. Common cases involve satellites, radiosonde and atmospheric model outputs. Since instruments and/or measures are not perfectly collocated, miss-collocation uncertainty must be considered in related intercomparison uncertainty budgets. This paper is motivated by the comparison of GNSS-RO, the Global Navigation Satellite System Radio Occultation, with ERA5, the version 5 Reanalysis of the European Centre for Medium-range Weather Forecasts. We consider temperature interpolation o

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Foley, David P., Cameron T. Cox, Allison S. Foley, Rebecka J. Nisbet, Abdurrahman F. Kharbat, and Brendan J. MacKay. "Predicting metacarpal length using paired ratios with bilateral X-ray films." SAGE Open Medicine 9 (January 2021): 205031212110641. http://dx.doi.org/10.1177/20503121211064177.

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Introduction: When the metacarpal bones sustain severe osseous injury requiring reconstruction, functional recovery relies on the precise distribution of tension throughout full range of motion. While the small scale of hand structures compounds the effects of altering normal anatomy, literature lacks consensus recommendations for the acceptable degree of length alteration and/or appropriate methods of length estimation in reconstructive procedures. Length asymmetry has been reported in human metacarpal bones; however, studies assessing this phenomenon in living subjects with attention to func

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Xu, Shiqin, and Zhongbo Yu. "Environmental Control on Transpiration: A Case Study of a Desert Ecosystem in Northwest China." Water 12, no. 4 (2020): 1211. http://dx.doi.org/10.3390/w12041211.

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Arid and semi-arid ecosystems represent a crucial but poorly understood component of the global water cycle. Taking a desert ecosystem as a case study, we measured sap flow in three dominant shrub species and concurrent environmental variables over two mean growing seasons. Commercially available gauges (Flow32 meters) based on the constant power stem heat balance (SHB) method were used. Stem-level sap flow rates were scaled up to stand level to estimate stand transpiration using the species-specific frequency distribution of stem diameter. We found that variations in stand transpiration were

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Mandjes, Michel, and Sem Borst. "Overflow behavior in queues with many long-tailed inputs." Advances in Applied Probability 32, no. 4 (2000): 1150–67. http://dx.doi.org/10.1017/s0001867800010508.

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We consider a fluid queue fed by the superposition of n homogeneous on-off sources with generally distributed on and off periods. The buffer space B and link rate C are scaled by n, so that we get nb and nc, respectively. Then we let n grow large. In this regime, the overflow probability decays exponentially in the number of sources n. We specifically examine the scenario where b is also large. We obtain explicit asymptotics for the case where the on periods have a subexponential distribution, e.g., Pareto, Lognormal, or Weibull.The results show a sharp dichotomy in the qualitative behavior, d

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FORDE, MARTIN. "EXACT PRICING AND LARGE-TIME ASYMPTOTICS FOR THE MODIFIED SABR MODEL AND THE BROWNIAN EXPONENTIAL FUNCTIONAL." International Journal of Theoretical and Applied Finance 14, no. 04 (2011): 559–78. http://dx.doi.org/10.1142/s0219024911006735.

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We derive a closed-form expression for the stock price density under the modified SABR model [see section 2.4 in Islah (2009)] with zero correlation, for β = 1 and β < 1, using the known density for the Brownian exponential functional for μ = 0 given in Matsumoto and Yor (2005), and then reversing the order of integration using Fubini's theorem. We then derive a large-time asymptotic expansion for the Brownian exponential functional for μ = 0, and we use this to characterize the large-time behaviour of the stock price distribution for the modified SABR model; the asymptotic stock price "den

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Marigo, Paola, Bernhard Aringer, Léo Girardi, and Alessandro Bressan. "Updated Low-temperature Gas Opacities with ÆSOPUS 2.0." Astrophysical Journal 940, no. 2 (2022): 129. http://dx.doi.org/10.3847/1538-4357/ac9b40.

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Abstract This work introduces new low-temperature gas opacities in the range 3.2 ≲ log ( T / K ) ≲ 4.5 computed with the ÆSOPUS code under the assumption of thermodynamic equilibrium. In comparison to the previous version, ÆSOPUS 1.0, we updated and expanded molecular absorption to include 80 species, mostly using the recommended line lists currently available from the ExoMol and HITRAN databases. Furthermore, in light of a recent study, we revised the H− photodetachment cross section, added the free–free absorption of other negative ions of atoms and molecules, and updated the collision-induc

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Li, Zhengyang, Yafeng Lu, Yukuan Wang, and Jia Liu. "The Spatio-Temporal Evolution of the Soil Conservation Function of Ecosystems in the North–South Transition Zone in China: A Case Study of the Qinling-Daba Mountains." Sustainability 14, no. 10 (2022): 5829. http://dx.doi.org/10.3390/su14105829.

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Maintaining and improving the soil conservation function of an ecosystem is of positive significance to the sustainable and stable development of that ecosystem. We used the RUSLE model to evaluate the soil conservation function of the Qinling-Daba Mountains from 1982, 1995, 2005, and 2015 in order to analyze the spatio-temporal evolution characteristics of soil conservation. Our conclusions are as follows: (1) During the study period, the amount of average actual soil erosion in the Qinling-Daba Mountains was 955.39 × 108 t, the amount of actual soil erosion fluctuated greatly from year after

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