نتایج جستجو برای: imf 2014
تعداد نتایج: 148504 فیلتر نتایج به سال:
The intrinsic mode function (IMF) provides adaptive function bases for nonlinear and non-stationary time series data. A fast convergent iterative method is introduced in this paper to find the IMF components of the data, the method is faster and more predictable than the Empirical Mode Decomposition method devised by the author of Hilbert Huang Transform. The approach is to iteratively adjust t...
We summarize recent observational and theoretical progress aimed at understanding the origin of the stellar initial mass function (IMF) with specific focus on galactic star–forming regions. We synthesize data from various efforts to determine the IMF in very young, partially–embedded stellar clusters and find: i) no significant variations in the low–mass IMF have been observed between different...
To determine the role of intramitochondrial protein synthesis (PS) and degradation (PD) in contractile activity-induced mitochondrial biogenesis, we evaluated rates of [(35)S]methionine incorporation into protein in isolated rat muscle subsarcolemmal (SS) and intermyofibrillar (IMF) mitochondria. Rates of PS ranged from 47 to 125% greater (P < 0.05) in IMF compared with SS mitochondria. Intense...
We review our current knowledge on the IMF in nearby environments, massive star forming regions, super star clusters, starbursts and alike objects from studies of integrated light, and discuss the various techniques used to constrain the IMF. In most cases, including UV-optical studies of stellar features and optical-IR analysis of nebular emission, the data is found to be compatible with a “un...
The goal of this paper is to examine whether IMF lending programs in the MENA region lead international lenders to perceive lower lending risks and generate moral hazard as reflected in a shift in the maturity composition of international debt toward long-term debt flows. We find that IMF credit in general generated moral hazard in MENA after the IMF large-scale rescue package to Mexico. The go...
Idiopathic myelofibrosis (IMF) typically presents with marrow fibrosis, splenomegaly, progressive anemia, and a leukoerythroblastic blood smear with dacryocytes. We present a patient with IMF who did not have dacryocytes.
The stellar IMF has been found to be essentially invariant. That means, any detailed observational scrutiny of well resolved populations of very young stars appears to show the IMF to be of more or less the same shape independent of the metallicity and density of the star-forming region. While some apparent differences are seen, the uncertainties inherent to this game do not allow a firm conclu...
When operating under harsh condition (e.g., time-varying speed and load, large shocks), the vibration signals of rolling element bearings are always manifested as low signal noise ratio, non-stationary statistical parameters, which cause difficulties for current diagnostic methods. As such, an IMF-based adaptive envelope order analysis (IMF-AEOA) is proposed for bearing fault detection under su...
Intramuscular fat (IMF) plays an important role in meat quality. However, the molecular mechanisms underlying IMF deposition in skeletal muscle have not been addressed for the sex-linked dwarf (SLD) chicken. In this study, potential candidate genes and signaling pathways related to IMF deposition in chicken leg muscle tissue were characterized using gene expression profiling of both 7-week-old ...
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