Interface zone

Adsorption The gathering of a gas, liquid, or dissolved substance on the surface or interface zone of another substance. 

Bezborodov AA, Eremeev VN (1993) Chernoe more. Zona vzaimodeystviya aer-obnykh i anaerobnykh vod (The Black Sea oxic/anoxic interface zone). Marine Hydrophysical Institute AS of the Ukraine, Sevastopol, Ukraine (in Russian)... 

Consider a continuous fiber-reinforced ceramic as a multiphase system where the individual phases are parallel to one another and to the uniaxial loading direction. The fibers (or fiber bundles), matrix, and interface zone are treated as individual phases. In general, each phase undergoes elastic-plastic (creep) deformation. In the present analysis, the creep rate of each phase, e is assumed to obey a general creep law of the following form... 

Hydrolysis of weakly functional sites As a fraction of strong base sites on the anion resin degrade to weak base these sites too are able to react with regenerant acid at the interface zone ... 

Fixation of an implant in the human body is a dynamic process that remodels the interface zone between the implant and living tissue at all dimensional levels from the molecular up to the cell and tissue morphology level and at any time scale from the first second up to several years after implantation (Kasemo and... 

While the sharp-interface approach is useful for conceptualizing flow at the coast, particularly in large-scale problems, the reality is more complex. Not only does the saline groundwater flow but also a zone of intermediate salinity extends between the fresh and saline end members, establishing what many refer to as a subterranean estuary . Like their surface water counterparts, these zones are hotbeds of chemical reactions. Because the water in the interface zone ultimately discharges into coastal waters, the flow and chemical dynamics within the zone are critically important to understand. Research into these issues has only just begun. 

In principle, this ratio can also affect the IP concentration profile in a quahta-tive sense. When considering a homogeneous epoxy-amine mixture just brought into contact with the surface of an adherend or a fiUer particle, preferential adsorption of the amine molecules will result in local variations of the amine/epoxy concentration ratio r (to be defined below). Assuming a comparably fast diffusion of the amine molecules, their quick enrichment at the interface will result in a near-interface zone of increased r values and an adjacent zone of amine depletion, i.e., with reduced r values. Similar concentration variations are dealt with in the field of surface-driven phase separation in polymer solutions and mixtures [8]. While the wetting layer is in local equihbrium with the depletion layer, the diffusion from the bulk down the concentration gradient into the latter feeds the growth of the former. 

At manufacturing level, chemical reactions between the matrix and the liber produce an interface zone of different mechanical properties from the two phases producing it [158]. The load of a composite is usually transferred through the interface between the matrix and the fiber, and the toughness of the composite is determined. Karpur et al. measured ultrasonically the shear stiffness coefficient of the interface in fiber reinforced metal matrix and ceramic matrix composites [158]. They claim that the significance of the quantification of the shear stiffness coefficient of the interface is that the clastic property of the interface can be used as a basis for composite life prediction. 

Albrektsson, T., Branemark, RL, Hansson, H.A. et al. 1983. The interface zone of inorganic implants in viva Titanium implants in bone. Ann. Biomed. Eng. 11 1. 

This theory postulates that the interface zone is plastic, allowing stresses between the polymer and mineral surfaces to self-relieve without bond rupture. Internal stresses are thus reduced. It has been suggested that in the case of a silane, the film is too thin to allow this [11]. However, it is possible that the presence of the coupling agent might cause preferential adsorption. Credence for this view is given by the number of... 

Curie-point pyrolyzers are generally not used in this stepwise fashion, since they are limited to one temperature per sample because of the way heating is controlled. Microfumaces, however, have been designed with a separate desorption zone, so that a sample may be manually lowered into a low-temperature zone for a first run, retrieved, and then lowered into the pyrolysis zone for a second run. Filament pyrolyzers are now available with a low-mass, programmable interface zone along... 

Between two dissimilar electrolyte solutions a potential difference is created, just like between a metal and an electrolytic solution. By Brownian motion, the ions randomly walk with a velocity proportional to the Boltzmann factor kT. The corresponding E-field will have a direction to slow down the rapid ions and accelerate the slow ones in the interface zone. The resulting potential difference is called the liquid junction potential and follows a variant of the Nemst equation called the Henderson equation ... 

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