Size and configurations

Of course, the physical properties of alkylphenols are comparable to phenol. The properties are strongly influenced by the type of alkyl substituent and its position on the ring. Alkylphenols, like phenol, are typically soflds at 25°C. Their form is affected by the size and configuration of the alkyl group, its position on the ring, and purity. They appear colorless, or white, to a pale yellow when pure (Table 1). 

It is important to note that these applications are typical, but not at all definitive. Fabric filters can be used in almost any process where dust is generated and can be collected and ducted to a centralized location. In general, fabric filters come in many different sizes and configurations. In older plants one can find makeshift operations. See Figures 7 and 8 for examples of common configurations and characteristics. 

Mixers are devices that blend combinations of liquids and solids into a homogenous product. They come in a variety of sizes and configurations designed for specific applications. Agitators provide the mechanical action required to keep dissolved or suspended solids in solution. 

Provide required size and configuration Tooling and plant capital costs to be appropriate for number of pieces and rate of production Compatible with available plant and marketing plan Provides required structural properties and quality control... 

Is a multiple-cavity tooling approach possible to reduce piece costs Yes Yes. Depends on size and configuration, although rapid cycle time may eliminate the need. Not necessarily. Secondary operations may be too costly and material flow too difficult... 

Wright T, Gillet VJ, Green DVS, Pickett SD. Optimising the size and configuration of combinatorial libraries. J Chem Info Comput Sci 2003 43 381-90. 

Fabric filters come in many different sizes and configurations. In older plants one can find makeshift operations. Refer to Figures 5.6 and 5.7 for examples of common configurations and characteristics. 

Cost varies significantly based on siting and interconnection requirements, as well as unit size and configuration. 

Generally, the droplet size generated in electrostatic atomization is a function of applied electrical potential, electrode size and configuration, liquid flow rate, liquid nozzle diameter, and liquid properties such as surface tension, dielectric constant and electrical conductivity.[121] [124] When a low electrical potential is applied to a liquid, a stream of relatively uniform droplets will form below the liquid discharge nozzle. As the applied electrical potential is increased, the droplets produced become smaller, and the liquid velocity and droplet production rate both increase, with concomitant... 

Standardized aboveground enclosures are available in a wide variety of materials, sizes, and configurations. Many options and security features are also available for each type of enclosure, and this allows system operators the flexibility to customize an enclosure for a specific application and/or price range. In addition, most manufacturers can custom-design enclosures if standard, off-the-shelf enclosures do not meet a user s needs. 

Gieseler et al. utilized tunable diode laser absorption spectroscopy to detect water vapor concentrations, gas velocities and mass flow during freeze-drying of pure water at different pressure and shelf temperature settings and of a 5%w/w mannitol solution. The analyzer was interfaced to the spool that connected the dryer chamber to the condenser. The reported method was advantageous in that primary and secondary drying end-point control based upon mass flow rate was independent of freeze-dryer size and configuration. ... 

The amount of air that can be drawn into an enclosure to support combustion will depend on both the size and configuration of ventilation openings in the enclosure. A poorly ventilated fire will create more smoke and byproducts. Any unburnt fuel may also burn outside the enclosure, endangering adjacent areas. A fire in a structure may also cause other fuels to burn such as cables, paint, plastic equipment etc. These will add to the fuel load and to the smoke. 

The influence of the size and configuration of various cyclic vinyl carriers (Scheme 6.26) on the stereoselectivity of cycloaddition was studied, and included epoxides, (3-lactams, dioxaborolanes, and dioxans (22). Although the anti preference was maintained in all cases, the conformation of the carrier ring must also be taken into account in order to rationalize the stereoselections observed. The highest diastereomeric ratio was observed with the vinyl-tetrahydrofuran derived from glucose, where the conformational mobility of the carrier ring is substantially locked by an acetonide clamp and one face of the C=C bond is effectively shielded (22,165,215). 

Shape-selective reactions occur by differentiating reactants, products, and/or reaction intermediates according to their shape and size in sterically restricted environments of the pore structures of microporous crystals16. If all of the catalytic sites are located inside a pore that is small enough to accommodate both the reactants and products, the fate of the reactant and the probability of forming the product are determined by molecular size and configuration of the pore as well as by the characteristics of its catalytic center, i.e., only a reactant molecule whose dimension is less than a critical size can enter into the pore and react at the catalytic site. Furthermore, only product molecule that can diffuse out through the pore will appear in the product. 

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