Sedimentation velocity analytical ultracentrifugation is an important tool in the characterization of macromolecules and nanoparticles in solution. The sedimentation coefficient distribution c(s) of Lamm equation solutions is based on the approximation of a single, weight-average frictional coefficient of all particles, determined from the experimental data, which scales the diffusion coefficie...

This paper presents the effect of load carrying (position and weight of load) on the maximum peak values of traction coefficient between shoe sole and floor during walking on level walkway. Gait experiments were conducted by five healthy male adult participants walking on the force plates with carrying the loads. Each subject was tested at step length of 0.75 m and at walking speed of 1.4 m/s. ...

BACKGROUND Osteoarthritis of the knee is commonly diagnosed and monitored with radiography. However, the reliability of radiographic classification systems for osteoarthritis and the correlation of these classifications with the actual degree of confirmed degeneration of the articular cartilage of the tibiofemoral joint have not been adequately studied. METHODS As the Multicenter ACL (anterio...

The association between birth weight and long-term within-individual variability of blood pressure (BP) was examined in a longitudinal cohort of 1,454 adults (939 whites and 515 blacks; adulthood age = 19-50 years) enrolled in the Bogalusa Heart Study in Bogalusa, Louisiana, in 1973-2010. BP variability was depicted as standard deviation, coefficient of variation, and deviation from age-predict...

Light field particle image velocimetry (LF-PIV) can measure three-dimensional (3D) flow velocity from a single snapshot of light camera based on the 3D reconstruction tracer particles images. However, it requires intensity calibrations to calculate accurate weight coefficients. Conventionally, coefficients are calculated through in-situ calibration approaches whereas translation board within en...

Quasi-Z source inverters (qZSI) can overcome the disadvantages of conventional wind power systems, because achieving balanced DC-link voltage by using its boost ability. The majority currently used control methods for are susceptible to parameter changes, and qZSI controlled finite switching sequence model predictive (FSS-MPC). In this paper, a Variable weight coefficient Model Predictive Contr...

This paper proposes a generalized objective function for the topology-finding of tensegrity structures to be able assign selection priorities different members and efficiently find multiple through single ground structure. The is constructed by sum product member internal forces weight coefficients. coefficients can defined adjusted freely change in process. By adjusting coefficients, generated...

drought is one on the most important factors limiting the productivity of spring chickpea in drylands of iran. sixtym genotypes of chickpea from icarda's germplasm accessions, as well as one drought susceptible check (ilc 3279), were sown in spring of 2010 at two locations, sanandaj and maragheh, in the western highlands of iran for one year. the experiment in each location was laid out in a ra...