نتایج جستجو برای: standing wave meter

تعداد نتایج: 283807  

Background. The objective of this trial was to evaluate the effect of two exercise programs on patients undergoing the implantation of intraarticular stem cells. Objectives. We performed a randomized trial on sixteen patients under 65 years old with moderate knee OA after stem cell therapy. Methods. Patients were randomly divided into two groups of exercise therapy: weight-bearing (WB) and no...

1999
D. Fujita K. Amemiya T. Yakabe H. Nejoh T. Sato M. Iwatsuki

In a recent paper, Fujita and co-workers report image can be interpreted as a picture of the LDOS on the observation of the two-dimensional (2D) at the Fermi level (EF) and, consequently, standing Fermi contour of the s–p derived surface state on waves with wave vector q=2kF are visible in such the reconstructed Au(111) surface [1]. This is images. A 2D Fourier transform of a standing done by F...

2017
Tianhua Du Ergang Zhu Suhua Jiao

BACKGROUND The aim of this study was to explore the relationship between physical performance and BMI (body mass index) of university students in China. MATERIAL AND METHODS We conducted a cross-sectional study evaluating the physical performance and BMI of university students. BMI was calculated based on height and weight. Overweight and obesity were defined by the Working Group on Obesity ref...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1959
E Freese

gm.) per square meter. The nonassimilated material (feces) does not change trophic levels but is available to other primary consumers such as bacteria or detritus feeders. The annual energy flow of the snail population was estimated to be about 290 Calories/M2/year, but during the summer the average standing crop of 700 snails/M2 assimilated only about twice as much as the average population of...

2014
Shixiong Chen Haoshi Zhang Lan Wang Guanglin Li

BACKGROUND The interference between the incoming sound wave and the acoustic energy reflected by the tympanic membrane (TM) forms a standing wave in human ear canals. The existence of standing waves causes various problems when measuring otoacoustic emissions (OAEs) that are soft sounds closely related with the functional status of the inner ear. The purpose of this study was to propose an in-s...

2008
David Raitt

Surface waves on ferrofluids exposed to a dc-magnetic field exhibit a nonmonotonic dispersion relation. The effect of a parametric driving on such waves is studied within suitable coupled Ginzburg-Landau equations. Due to the non-monotonicity the neutral curve for the excitation of standing waves can have up to three minima. The stability of the waves with respect to long-wave perturbations is ...

2008
Lucia Hackermüller Klaus Hornberger Stefan Gerlich Michael Gring Hendrik Ulbricht Markus Arndt

We discuss a novel application of matter wave interferometry to characterize the scalar optical polarizability of molecules at 532nm. The interferometer presented here consists of two material absorptive gratings and one central optical phase grating. The interaction of the molecules with the standing light wave is determined by the optical dipole force and is therefore directly dependent on th...

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