نتایج جستجو برای: slenderness hd
تعداد نتایج: 20131 فیلتر نتایج به سال:
In the paper, air cavity created by vertical water entry of cylinders with different slenderness ratio (defined as “s=L/D”) is investigated experimentally, theoretically, and computationally. The study focused on range Froude numbers, Fr = V /( gr ) 0.5, (12< Fr< 30). Particular attention given to effect ratios surface seal time, evolution process cavities. To understand physical processe...
This is a retrospective study of 83 patients with polioscoliosis, treated surgically in Shafa hospital (1970-1997), and the results are as Follow: implant failure: 15 cases (18%), pseudoar throsis: 12 cases (14.5%) deep infection: 4 cases (4.5%) superficial infection: 3 cases (3.6%) cast sore: 17 cases (20.5%) and loss of correction: 28 cases (33.7%). Implant failure was more common in Harr...
Background and Objective: Although uremic pruritus (UP) is one of the most common disabling problems in hemodialysis (HD) patients, its associated factors have remained unknown. The purpose of this study was to evaluate the prevalence and severity of UP in a group of Iranian hemodialysis patients and its associated clinical and laboratory factors. Materials and Methods: This cross-sectional ...
Background: Sulfur mustard, Bis [2-chlorethyl] sulfide (HD), is one of the first chemical warfare agents to be used on a large scale. Anti inflammatory treatments might have the potential to prevent some aspects of the primary development of HD-induced lesions. The aim of the present study was to evaluate treatment effects of topically applied betamethasone (B) and diclofenac-Na (D) on the conj...
Huntington's disease (HD) is a congenital, progressive, neurodegenerative disorder characterized by cognitive, motor, and psychological disorders. Clinical diagnosis of HD relies on the manifestation of movement abnormalities. In this study, we introduce a mathematical method for HD detection using step spacing. We used 16 walking signals as control and 20 walking signals as HD. We took a s...
Stroke patterns for Purcell's three-link swimmer are optimized. We model the swimmer as a jointed chain of three slender rods moving in an inertialess flow. The swimmer is optimized for efficiency and speed. We were able to attain swimmer designs significantly more efficient than those previously suggested by authors who only consider geometric design rather than kinematic criteria. The influen...
BACKGROUND AND AIMS The interspecific allometry of maximum plant height (Hmax) with respect to maximum basal stem diameter (Dmax) has been studied for leptocaulis dicot and conifer tree species. In contrast, virtually nothing is known about the interspecific allometry of pachycaulis species. Here, the interspecific allometries for palms, cacti and cycads are reported and compared with those of ...
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