Differential adhesion hypothesis - meaning and definition. What is Differential adhesion hypothesis
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What (who) is Differential adhesion hypothesis - definition


Differential adhesion hypothesis         
Differential adhesion hypothesis (DAH) is a hypothesis that explains cellular movement during morphogenesis with thermodynamic principles. In DAH tissues are treated as liquids consisting of mobile cells whose varying degrees of surface adhesion cause them to reorganize spontaneously to minimize their interfacial free energy.
Adhesion railway         
  • A torque <math>M</math> applied on the axle causes creepage: difference between forward velocity <math>V</math> and circumferential velocity <math>\omega R</math>, with resulting creep force <math>F_w</math>.
  • Toppling limit on tight turn radius
RAILWAY WHICH RELIES ON ADHESION TRACTION TO MOVE A TRAIN
Factor of adhesion; Creep (railway wheels); Wheelslide; All weather adhesion; Adhesion line; Rail adhesion; High Adhesion
An adhesion railway relies on adhesion traction to move the train. Adhesion traction is the friction between the drive wheels and the steel rail.
Differential susceptibility hypothesis         
The differential susceptibility hypothesis proposed by Jay BelskyBelsky 1997b; 1997a; 2005; Belsky & Pluess, 2009 is another interpretation of psychological findings that are usually discussed according to the diathesis-stress model. Both models suggest that people's development and emotional affect are differentially susceptible to experiences or qualities of the environment.