Results 31 to 40 of about 390,667 (199)
Energies, 2023 To restrain the environmental impact of modern SI engines, igniters must guarantee stable combustions with low cycle-to-cycle variability in extreme operating conditions (high EGR, ultra-lean), via high energy release in the combustion chamber.
Roberto Martinelli +5 more
doaj +1 more source
The Empirical Mass-Luminosity Relation for Low Mass Stars
, 2007 This work is devoted to improving empirical mass-luminosity relations and mass-metallicity-luminosity relation for low mass stars. For these stars, observational data in the mass-luminosity plane or the mass-metallicity-luminosity space subject to non ...
A. Alonso +28 more
core +2 more sources
Ecological anatomy of Eugenia punicifolia (Kunth) DC. (MYRTACEAE) in the restinga region,state of Ceará [PDF]
Revista Brasileira de Fruticultura, 2019 The species Eugenia punicifolia (Kunth) DC. (myrtle) occurs in the coastal region of the state of Ceará and has ecological and medicinal importance. This study aimed to characterize the leaf anatomy of myrtle (E. punicifolia) in the rainy and dry seasons,
Viviane de Oliveira Thomaz Lemos +3 more
doaj +1 more source
Practical Knowledge and Luminosity [PDF]
, 2019 Many philosophers hold that if an agent acts intentionally, she must know what she is doing. Although the scholarly consensus for many years was to reject the thesis in light of presumed counterexamples by Donald Davidson, several scholars have recently ...
Glasscock, Juan S. Piñeros
core
The white dwarf luminosity function. I. Statistical errors and alternatives [PDF]
, 2006 Over the years, several methods have been proposed to compute galaxy luminosity functions, from the most simple ones -counting sample objects inside a given volume- to very sophisticated ones -like the C- method, the STY method or the Choloniewski method,
Abazajian +59 more
core +3 more sources
Floresta e Ambiente, 2020 As native tree species are often used for densification, enrichment and degraded areas recovery, a better understanding of the behavior of their seedlings in response to light exposure is needed. This study evaluates the growth and morphological behavior
Alexandre Techy de Almeida Garrett +3 more
doaj +1 more source
The lag and duration-luminosity relations of gamma-ray burst pulses
, 2010 Relations linking the temporal or/and spectral properties of the prompt emission of gamma-ray bursts (hereafter GRBs) to the absolute luminosity are of great importance as they both constrain the radiation mechanisms and represent potential distance ...
Aloy +33 more
core +2 more sources
Temas Agrarios, 2018 Potassium is a macronutrient that can improve the growth of crops. A randomized complete block design was used to evaluate the influence of four planting densities (50,000, 41,667, 33,333, 31,250 plants ha-1) and three potassium levels (300, 250, 200 kg ...
Amanda Silva Parra +2 more
doaj +1 more source
A statistical study of the luminosity gap in galaxy groups
, 2010 The luminosity gap between the two brightest members of galaxy groups and clusters is thought to offer a strong test for the models of galaxy formation and evolution.
Ghanbari, Jamshid +4 more
core +1 more source
A Mini-survey of X-ray Point Sources in Starburst and Non-Starburst Galaxies [PDF]
, 2002 We present a comparison of X-ray point source luminosity functions of 3 starburst galaxies (the Antennae, M82, and NGC 253) and 4 non-starburst spiral galaxies (NGC 3184, NGC 1291, M83, and IC 5332).
A. H. Prestwich +6 more
core +2 more sources