Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Process zone defined

Contaminants retained on colloid surfaces may be transported by flowing water through the vadose zone and reach the groundwater or be relocated on the land surface by runoff processes. Operationally defined as particles between 1 j,m and 1 nm in size, colloids in the subsurface may be of mineral, organic, or biological origin. [Pg.264]

The character of the coastal zone defines the morphology and type of the coasts. In mountainous areas, abrasive coasts dominate. In many cases, they are complicated owing to the development of intensive landslide and caving processes and thus may be referred to as the abrasive-denudational type. In plain and low areas, the coasts are mostly accumulative. Lagoonal and deltaic coasts are confined to the areas near river mouths. [Pg.49]

Figure 14 (A) Schematic of a chip for flow-through PCR. Three well-defined zones are kept at 95, 77, and 60°C by means of thermostated copper blocks. The sample is hydrostatically pumped through a single channel etched into the glass chip. The channel passing through the three temperature zones defines the thermal cycling process. (B) Layout of the device used in the study. The device has three inlets on one side of the device and an outlet on the opposite side. Only two inlets were used, one carrying the sample, the other bringing a constant buffer flow. The chip incorporates 20 identical cycles, except for the first one, which includes a threefold increase in DNA melting time. (Reprinted with permission from Ref. 98.)... Figure 14 (A) Schematic of a chip for flow-through PCR. Three well-defined zones are kept at 95, 77, and 60°C by means of thermostated copper blocks. The sample is hydrostatically pumped through a single channel etched into the glass chip. The channel passing through the three temperature zones defines the thermal cycling process. (B) Layout of the device used in the study. The device has three inlets on one side of the device and an outlet on the opposite side. Only two inlets were used, one carrying the sample, the other bringing a constant buffer flow. The chip incorporates 20 identical cycles, except for the first one, which includes a threefold increase in DNA melting time. (Reprinted with permission from Ref. 98.)...
This defines a relation between B -Q, that is plotted in Figure 3(a) for a variety of magnitudes of the non-dimensional parameter, Kd, directly proportional to permeability. This is similar to Figure 2, but is representative of a finite-radius penetrometer tip, where dilation or compaction of the tip process zone is accommodated. [Pg.480]

Borderline or intermediate results require cautious in interpretation. Statistically this gray zone defines a range of cutoff values that would result in a sensitivity or specificity less than a predefined level. Although there are techniques to attempt to compensate for unknown factors, the best approach is to assimilate as much data from all sources. This allows explanation and then manipulation (selection) of data to help eliminate bias. The flexibility in altering the cutoff value is data dependent and a continuous process in test validation. [Pg.313]

Figure 46.20 shows a schematic of an electron processor. The electron processor is a stainless steel vacuum tube in which one or more longitudinal heated-filament electron guns are raised to a potential of several kilovolts. The electrons are then accelerated as they move from the filaments to the perimeter of the tube. A slot in the tube defining the width of the processing zone permits the accelerated electrons to reach a metallic foil window that is thin at ground potential. [Pg.928]

However the damage increment would not concern the whole cohesive layer, but it will be concentrated in a relatively small process zone close to the crack tip. In order to estimate the size of Acz, analytical relationships can be found in the literature [21], where the size per unit thickness is defined as the distance from the crack tip to the point where 022,0 is attained. In this work, a different definition and evaluation method is proposed Acz corresponds to the sum of the nominal sections of the cohesive elements where the difference in opening between the maximum and minimum load of the fatigue cycle,... [Pg.126]

Zone Difference in security level at various parts of the network can be addressed by dividing the network into zones, defined as logical and physical informational, physical and application assets. To get an idea. Fig. XI/4.4-2 may be referred to. In fact. Fig. XI/4.1.3-1 also has zone division in a similar manner. One point worth noting is that SIS in both cases is segregated from the process control system via firewall protection so that it is in a safe condition and in a safe zone. In fact, this is a zone within a zone acting as a safety layer and an example of defense-in-depth. There can be multiple zones and separate zones. [Pg.863]


See other pages where Process zone defined is mentioned: [Pg.35]    [Pg.44]    [Pg.512]    [Pg.514]    [Pg.1304]    [Pg.533]    [Pg.535]    [Pg.192]    [Pg.196]    [Pg.512]    [Pg.514]    [Pg.548]    [Pg.101]    [Pg.90]    [Pg.90]    [Pg.17]    [Pg.270]    [Pg.258]    [Pg.44]    [Pg.99]    [Pg.334]    [Pg.478]    [Pg.480]    [Pg.334]    [Pg.32]    [Pg.124]    [Pg.124]    [Pg.119]    [Pg.3428]    [Pg.5257]    [Pg.44]    [Pg.220]    [Pg.1337]    [Pg.889]    [Pg.272]    [Pg.404]    [Pg.962]    [Pg.164]    [Pg.235]    [Pg.240]    [Pg.273]   
See also in sourсe #XX -- [ Pg.690 ]




SEARCH



Process zone

Processing zone

© 2024 chempedia.info