نتایج جستجو برای: qf
تعداد نتایج: 917 فیلتر نتایج به سال:
We present a study of the ionization efficiency in pure materials based on an extension Lindhard’s original theory, which energy given to atomic motion by nuclear recoils is calculated taking into account nonzero constant binding energy. construct modified integral equation that incorporates this effect consistently and find numerical solution leads ‘‘quenching factor’’ (QF) good agreement with...
The purpose of this study was to establish an accurate estimation of muscle atrophy in the quadriceps femoris (QF) muscle group. Eighteen individuals who underwent meniscectomy participated in the study (nine men and nine women, mean age 44·4 years). Both operated and non-operated thighs were scanned by magnetic resonance imaging to determine the volume and thickness of the QF muscle group. Mus...
This cross-sectional, observational study was undertaken to examine whether voluntary activation failure could contribute to the persisting weakness observed in some patients with treated idiopathic inflammatory myositis. In 20 patients with myositis of more than six months' duration (5 males, 15 females; mean [+/- 1 SD] age 53 11 years) and 102 normal subjects (44 males, 58 females; mean age 3...
MgTi1−x(Mn1/3Nb2/3)xO3 (x = 0–0.30) ceramics were prepared via the solid-state reaction method. The phase composition, microstructure, bond characteristics, and microwave dielectric properties of systematically investigated. presented an ilmenite type with R-3 space group, secondary-phase MgTi2O5 only existed at x 0 0.30. introduction (Mn1/3Nb2/3)4+ effectively suppressed formation phase. varia...
Introduction There is ample evidence that the anterior cruciate ligament (ACL) has a sensory function. Previous studies reported that afferent feedback from ACL contributed to increased tone of the muscles around the knee. However, it is unlikely that afferent feedback from ACL directly alter a motor neuron (MN); afferents from ACL could influence a motor neuron (MN) via the ? loop. Therefore, ...
Aims: With the revision of the DSM-IV underway, two important research issues currently dominate the addiction literature: (a) how can the dimensionality of DSM-IV alcohol use disorders (AUD) diagnostic criteria best be described? and (ii) should a quantity–frequency alcohol use (QF) criterion be added to the existing diagnostic criteria set in the DSM-V? The current study addressed these aims ...
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