نتایج جستجو برای: floor fraction
تعداد نتایج: 183485 فیلتر نتایج به سال:
Purpose: Pelvic floor muscle dysfunction is a common cause of constipation. This dysfunction does not respond to current treatments of constipation. Thus, it is important to identify this type of dysfunction and the role of these muscles in constipation. The purpose of the present study was to review the previously published studies concerning the role of pelvic floor muscles dysfunction ...
Soil incorporation of postharvest forest floor or logging residues during site preparation increased mineral soil carbon (C) and nitrogen (N) concentration and had a differential effect on early stand growth in a clonal loblolly pine (Pinus taeda L.) plantation. Incorporating 25 Mg ha 1 of forest floor (FF) (C/N ratio 112:1) or 25 (1LR) or 50 (2LR) Mg ha 1 masticated logging residues (C/N ratio...
abstract objective cardiac dysfunction is a major cause of death in patients with beta thalassemia. in these patients, repeated blood transfusion, ineffective erythropoiesis and increased gastrointestinal iron absorption lead to iron overload in the body and this induced heart failure. left ventricular ejection fraction was measured in major beta thalassemia (β-th) patients to detect the relati...
in this work, artificial neural network (ann) was utilized to develop a new model for the predictionof the kinematic viscosity of petroleum fractions. this model was generated as a function oftemperature (t), normal boiling point temperature (tb), and specific gravity (s). in order to developthe new model, different architectures of feed-forward type were examined. finally, the optimumstructure...
INTRODUCTION The human pelvic floor is a complex structure and pelvic floor dysfunction is seen frequently in females. MATERIALS AND METHODS This review focuses on the surgical reconstruction of the pelvic floor employing recent findings on functional anatomy. A selective literature research was performed by the authors. RESULTS Pelvic floor activity is regulated by 3 main muscular forces t...
Noise floor is a frequency spectrum parameter that is widely used in ADC testing although it has not been properly defined and described by a formula in any ADC standards yet. IEEE Std 1057-1994 does not mention the noise floor but it generally uses noise or noise level that is not defined. IEEE Std 12412000 provides a formula for noise floor computation depending on the number of ADC bits; con...
The interaction of Cu with dissolved organic matter (DOM, extracted from an organic forest floor) was investigated and the resulting data was evaluated in terms of their uncertainty. The speciation of Cu over 'free' Cu (as analysed by diffusive gradients in thin films (DGT)), dissolved Cu-DOM complexes and precipitated Cu-DOM was determined as a function of pH (3.5, 4.0 and 4.5) and Cu/C ratio....
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