نتایج جستجو برای: von karmans relation
تعداد نتایج: 389941 فیلتر نتایج به سال:
STATEMENT OF THE PROBLEM The use of miniscrew as an absolute anchorage device in clinical orthodontics is growing increasingly. Many attempts have been made to reduce the size, to improve the design, and to increase the stability of miniscrew. PURPOSE The purpose of this study was to determine the effects of different thread shapes and force directions of orthodontic miniscrew on stress distr...
Despite the relevance of much of Jakob von Uexküll’s work to artificial intelligence and the cognitive sciences, it was largely ignored until the mid1980s. Since then, much research has been devoted to the study of embodied autonomous agents (robots) and artificial life. Such systems are typically said to ‘learn’, ‘develop’ and ‘evolve’ in interaction with their environments. It could be argued...
The aim of the lectures is to give a brief introduction to the area of von Neumann algebras to a typical set theorist. The ideal intended reader is a person in the field of (descriptive) set theory, who works with group actions and equivalence relations, and who is familiar with the rudiments of ergodic theory, and perhaps also orbit equivalence. This should not intimidate readers with a differ...
6. HAGEN, C. E. and HOPKINS, H. T. Ionic species in orthophosphate absorption by barley roots. Plant Physiol. 30: 193-199. 1955. 7. HOPE, A. B. and STEVENS, P. G. Electric potential differences in bean roots and their relation to salt uptake. Australian Jour. Sci. Research B5: 335343. 1952. 8. JACOBSON, Louis Carbon dioxide fixation and ion absorption in barley roots. Plant Physiol. 30: 264-269...
We investigate the spreading of information in a one-dimensional BoseHubbard system after a sudden parameter change. In particular, we study the timeevolution of correlations and entanglement following a quench. The investigated quantities show a light-cone like evolution, i.e. the spreading with a finite velocity. We discuss the relation of this veloctiy to other characteristic velocities of t...
The relation of hemostatic factor levels to the occurrence of cardiovascular disease is incompletely established. The Atherosclerosis Risk in Communities Study measured fibrinogen, factor VII, factor VIII, von Willebrand factor, antithrombin HI, protein C, activated partial thromboplastin time, and other cardiovascular risk factors in nearly 15 000 men and women aged 45 to 64. This analysis ass...
In diesem Beitrag soll der Frage nachgegangen werden, welche Zwecke mit betrieblichen Umweltinformationssystemen (BUIS) verfolgt werden. Der Schwerpunkt liegt dabei bei der Verknüpfung zwischen Erkenntnisinteressen und Ansätzen der computergestützten Modellbildung und Simulation. Ausgangspunkt ist das weltweit bereits etablierte Life Cycle Assessment, das trotz des Erfolgs als alleinige methodi...
The relation of hemostatic factor levels to the occurrence of cardiovascular disease is incompletely established. The Atherosclerosis Risk in Communities Study measured fibrinogen, factor VII, factor VIII, von Willebrand factor, antithrombin III, protein C, activated partial thromboplastin time, and other cardiovascular risk factors in nearly 15,000 men and women aged 45 to 64. This analysis as...
Acquired von Willebrand syndrome is described in patients with Waldenström macroglobulinemia (WM). Assessment of ristocetin cofactor activity (VWF:RCo) and von Willebrand factor (VWF) antigen (VWF:Ag) in 72 consecutive patients with WM showed a negative relation between VWF levels < 130 U/dL and both monoclonal immunoglobulin M concentration (mIgMC) and viscosity. Ten patients with VWF:RCo < 50...
Chromatic adaptation transforms are used in imaging systems to map image appearance to colorimetry under different illumination sources. In this paper, the performance of different chromatic adaptation transforms (CAT) is compared with the performance of transforms based on RGB primaries that have been investigated in relation to standard color spaces for digital still camera characterization a...
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