نتایج جستجو برای: centrifuge experiments

تعداد نتایج: 491468  

Journal: :Journal of gravitational physiology : a journal of the International Society for Gravitational Physiology 2001
R J Wubbels H A de Jong

The vertebrate vestibular system detects linear (otolith organs) and angular (semicircular canals) acceleration. The function of the otolith system is twofold, 1: perception of linear acceleration of the head, and 2: assessment of the spatial orientation of the head relative to the vector of gravity. Because of the latter function, a change of gravity will affect the vestibular input which, in ...

2007
I. Anastasopoulos G. Gazetas M. F. Bransby M. C. R. Davies A. El Nahas

The three notorious earthquakes of 1999 in Turkey Kocaeli and Düzce and Taiwan Chi-Chi , having offered numerous examples of surface fault rupturing underneath civil engineering structures, prompted increased interest in the subject. This paper develops a nonlinear finite-element methodology to study dip–slip “normal” and “reverse” fault rupture propagation through sand. The procedure is verifi...

Journal: :Journal of physics 2022

Abstract Horizontal vibrating centrifuge and vertical scraper are the main equipment for dehydration of final coal in preparation plant. They widely used. There many misunderstandings actual selection centrifuges, which brings unnecessary problems to later use. In view how reasonably select two kinds improve use effect structural composition, working principle maintenance cost centrifuges compa...

2014
Lindsay B. Baker Corey T. Ungaro Kelly A. Barnes Ryan P. Nuccio Adam J. Reimel John R. Stofan

Abstract This study compared a field versus reference laboratory technique for extracting (syringe vs. centrifuge) and analyzing sweat [Na(+)] and [K(+)] (compact Horiba B-722 and B-731, HORIBA vs. ion chromatography, HPLC) collected with regional absorbent patches during exercise in a hot-humid environment. Sweat samples were collected from seven anatomical sites on 30 athletes during 1-h cycl...

2000
PE Block

The address calculation for distributed data access plays a major role for the performance of ne-grained data-parallel applications. This paper reports about the hardware centrifuge of the Cray T3E which enables the shift of the address calculation from software into hardware. This shift minimizes address calculation overhead reducing communication cost of dynamic communication patterns. The ce...

Journal: :Journal of Food Measurement and Characterization 2022

Abstract The upscaling of pea protein extraction from laboratory scale with a centrifuge to pilot decanter was investigated, and the efficiency dry milled pre-treated peas compared. Upscaling is possible since starch under limit detection (< 0.5%). banding pattern sodium-dodecyl-sulfate polyacrylamide gel electrophoresis confirmed that albumins globulins were extracted by alkali extraction. ...

Journal: :Microgravity Science and Technology 2008

Journal: :Plant physiology 1976
A H Brown A O Dahl D K Chapman

Morphological measurements were made on populations of Arabidopsis thaliana grown from seed for 21 days under essentially constant environmental conditions except for the influence of gravitational or centrifugal accelerations. Growth conditions were what had been proposed for experiments in an artificial satellite. Observations are reported for plants grown at normal 1-g upright or on horizont...

2014
Zhida Xu Logan Liu

Anomalous surface enhanced Raman scattering (SERS) peaks are identified for liquid sample stored in polypropylene centrifuge tubes (PP tube) for months. We observed the unexpected Raman peaks during experiments for Thiamine Hydrochloride aqueous solution stored in PP tube for two months. In order to identify the contaminants we have performed SERS experiments for de-ionized water (DI water) sto...

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