Results 41 to 50 of about 6,858,749 (300)

The Average Structural Density of Barite Crystals of Different Habit Types

open access: yesGeologia Croatica, 2010
Eight different habit types of barite crystals which could be classifiedinto 4 essentially different groups were determined by morphologicalanalysis: Eb group - barite crystals elongated in the [010] direction; Ea group - barite crystals ...
Biserka Radanović-Gužvica
doaj   +1 more source

Changes in growth-production parameters of Lolium perenne L. turf after application of concentrated polysulfide fertilizer [PDF]

open access: yesActa Fytotechnica et Zootechnica, 2020
The changes in growth rate, daily production of above-ground phytomass and lawn density of turfgrass after application of fertilizer based on polysulfide (Sulka NKS+) were evaluated in Nitra (the Slovak Republic) climatic conditions.
Peter Kovár, Luboš Vozár, Peter Hric
doaj   +1 more source

Average density of states for Hermitian Wigner matrices

open access: yesAdvances in Mathematics, 2011
We consider ensembles of $N \times N$ Hermitian Wigner matrices, whose entries are (up to the symmetry constraints) independent and identically distributed random variables. Assuming sufficient regularity for the probability density function of the entries, we show that the expectation of the density of states on {\it arbitrarily} small intervals ...
Maltsev, Anna V, Schlein, Benjamin
openaire   +4 more sources

Foam concrete of certain average density for thermal insulation of attic floors (rus) [PDF]

open access: yesИнженерно-строительный журнал, 2011
Energy efficiency of building depends on several factors, including the summary heat losses through the building envelope – walls, windows, attic and basement floors.
Тrеmbitskiy М.А., Ivanov A.N.
doaj  

Union-Closed Families with Small Average Overlap Densities [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2022
In this very short paper, we show that the average overlap density of a union-closed family $\mathcal{F}$ of subsets of $\{1,2,\ldots,n\}$ may be as small as \[\Theta((\log_2 \log_2 |\mathcal{F}|)/(\log_2 |\mathcal{F}|)),\] for infinitely many positive integers $n$.
openaire   +5 more sources

Italian Multicenter Study on Low-Density Lipoprotein Apheresis Working Group 2009 Survey

open access: yes, 2013
We present results of the second survey of the Italian Multicenter Study on Low-Density Lipoprotein Apheresis (IMSLDLa-WG/2). The study involved 18 centers in 2009, treating 66 males and 35 females, mean age 47 +/- 18 years.
MOROZZI, CLAUDIA   +3 more
core   +1 more source

Impact of Reference Data Sampling Density for Estimating Plot-Level Average Shrub Heights Using Terrestrial Laser Scanning Data

open access: yesFire, 2023
Terrestrial laser scanning (TLS) data can offer a means to estimate subcanopy fuel characteristics to support site characterization, quantification of treatment or fire effects, and inform fire modeling.
Aaron E. Maxwell   +6 more
doaj   +1 more source

Level Density of a Fermi Gas: Average Growth and Fluctuations [PDF]

open access: yesPhysical Review Letters, 2006
We compute the level density of a two--component Fermi gas as a function of the number of particles, angular momentum and excitation energy. The result includes smooth low--energy corrections to the leading Bethe term (connected to a generalization of the partition problem and Hardy--Ramanujan formula) plus oscillatory corrections that describe shell ...
Leboeuf, Patricio, Roccia, Jérôme
openaire   +4 more sources

Average Based-FTS Markov Chain Based on a Modified Frequency Density Partitioning to Predict COVID-19 in Central Java

open access: yesCauchy: Jurnal Matematika Murni dan Aplikasi, 2022
COVID-19 is still a pandemic in Indonesia, and Central Java is no exception. New positive cases of COVID-19 in Central Java are being discovered every day. Therefore, researchers try to predict new positive cases in Central Java. Many forecasting methods
Susilo Hariyanto   +2 more
doaj   +1 more source

Bures–Hall ensemble: spectral densities and average entropies [PDF]

open access: yesJournal of Physics A: Mathematical and Theoretical, 2019
Abstract We consider an ensemble of random density matrices distributed according to the Bures measure. The corresponding joint probability density of eigenvalues is described by the fixed trace Bures–Hall ensemble of random matrices which, in turn, is related to its unrestricted trace counterpart via a Laplace transform.
Ayana Sarkar, Santosh Kumar
openaire   +2 more sources

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