نتایج جستجو برای: intrinsic compression
تعداد نتایج: 188463 فیلتر نتایج به سال:
The aim of the present study was to investigate the mediating role of intrinsic motivation on the relationship between students’ basic psychological needs and life satisfaction. This was done in the framework of causal model and was based on self-determination theory. For this reason 292 graduate students of Tehran University (145 boys, 147 girls) completed an Overall Life Satisfaction (O...
Background and aims: Epidemiological studies have shown a significant correlation between awkward back posture and low back pain among carpet weavers. Therefore, this study aims for estimating cumulative compression load among carpet weavers during a shift work. Methods: In this study, the awkward back postures of 4 male and 9 female carpet weavers were monitored, using electronic inclinometer...
Cell- or network-driven oscillators underlie motor rhythmicity. The identity of C. elegans oscillators remains unknown. Through cell ablation, electrophysiology, and calcium imaging, we show: (1) forward and backward locomotion is driven by different oscillators; (2) the cholinergic and excitatory A-class motor neurons exhibit intrinsic and oscillatory activity that is sufficient to drive backw...
This is due to the fact that, the human audio system is far more complex and sensitive than the human visual system. In this paper, we describe an imperceptible, robust and a new adaptive audio watermarking algorithm based on Empirical Mode Decomposition (EMD) is introduced. The audio signal is divided into frames and each one is decomposed adaptively, by EMD, into intrinsic oscillatory compone...
New Hugoniot and release adiabat data for 1.8 g/cm3 lunar fines (sample, 70051) in the N 2 to 70 kbar range demonstrate that upon shock compression intrinsic crystal density (. 3.1 g/cm3) is achieved under shock stress of 15 to 20 kbar. Release adiabat determinatioc;s indicate that measurable irreversible compaction occurs upon achieving shock pressures above . k kbar. For shocks in the r y 7 t...
The buckling failure of thin-walled circular shells under local axial compression is common in engineering. This study uses the vector form intrinsic finite element (VFIFE) method to investigate behavior by introducing a multilinear hardening model, taking into account geometric and material nonlinearity. A analysis program based on VFIFE was developed verified comparison with experimental resu...
background and aim: it has been several decades since the technology of frequency lowering (fl) has been proposed. however, primary research has revealed no benefits regarding the use of this technique. currently, new methods for fl and improvement of perception of speech and fricative sounds have led to the application of these methods by numerous companies to produce hearing aids. in this stu...
Fortran 90 provides a rich set of array intrinsic functions. Each of these array intrinsic functions operates on the elements of multi-dimensional array objects concurrently. They provide a rich source of parallelism and play an increasingly important role in automatic support of data parallel programming. However, there is no such support if these intrinsic functions are applied to sparse data...
The capacity to store and return energy in legs and feet that behave like springs is crucial to human running economy. Recent comparisons of shod and barefoot running have led to suggestions that modern running shoes may actually impede leg and foot-spring function by reducing the contributions from the leg and foot musculature. Here we examined the effect of running shoes on foot longitudinal ...
Decreases in metabolites and increased motor-related, but decreased sensory-related activation of the sensorimotor cortex (SMC) have been observed in patients with cervical myelopathy (CM) using advanced MRI techniques. However, the nature of intrinsic neuronal activity in the SMC, and the relationship between cerebral function and structural damage of the spinal cord in patients with CM are no...
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