نتایج جستجو برای: square section rod
تعداد نتایج: 305266 فیلتر نتایج به سال:
In this section, we provide specific information on our experimental apparatus. For all of our experiments we used a universal testing machine (Instron 5943, Norwood, MA) with a 10 N low-profile static load cell (2530 from the same manufacturer). The displacement and force resolutions were 10−4 mm and 10−4 N, respectively. Our experiments involved measuring displacements and forces of ∼ 10 mm a...
We use some results from the theory of reproducing kernel Hilbert spaces to show that reachable space heat equation for a finite rod with either one or two Dirichlet boundary controls is RKHS analytic functions on square, and we compute its as an infinite double series. also null half line data sector, whose (essentially) sum pullbacks Bergman Hardy kernels plane \(\mathbb {C}^+\).
background & aim: considering the fact that cesarean section (c-section) poses greater risks of maternal and neonatal complications, compared to vaginal delivery, scholars seek different strategies to decrease the prevalence of this surgical procedure. birth ball exercises during pregnancy are among the proposed strategies. thus, this study aimed to determine the effect of using birth ball dur...
Reconfigurable nanostructures represent an exciting new direction for materials. Applications of reversible transformations between nanostructures induced by molecular conformations under external fields can be found in a broad range of advanced technologies including smart materials, electromagnetic sensors, and drug delivery. With recent breakthroughs in synthesis and fabrication techniques, ...
The acoustic properties of a three-dimensional sonic crystal made of square-rod rigid scatterers incorporating a periodic arrangement of quarter wavelength resonators are theoretically and experimentally reported in this work. The periodicity of the system produces Bragg band gaps that can be tuned in frequency by modifying the orientation of the square-rod scatterers with respect to the incide...
The work has developed a method for determining the deformation of bent rod structures during an internal explosion. When consideration quasi-stationary explosion, model load is proposed, taking into account pressure rise section to maximum value at beginning then stationary and decline. in area equal more two peaks. With sufficiently long section, realized here, also determined from energy bal...
Background. Antibiotic exposure and specimen volume are known to affect pathogen detection by culture. Here we assess their effects on bacterial pathogen detection by both culture and polymerase chain reaction (PCR) in children. Methods. PERCH (Pneumonia Etiology Research for Child Health) is a case-control study of pneumonia in children aged 1-59 months investigating pathogens in blood, naso...
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