Big Chemical Encyclopedia

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

Articles Figures Tables About

Configuration and characteristics

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. [Pg.406]

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. [Pg.186]

Figure 17 Configuration and characteristics of reflection type optical fiber probes, (a) Fiber eonfigurations. (b) The intensity of reflected light as a function of the distance to a flat target. (Krohn, 1986. Cf. also Reh and Li, 1991.) (With permission of International Society for Optical Engineering)... Figure 17 Configuration and characteristics of reflection type optical fiber probes, (a) Fiber eonfigurations. (b) The intensity of reflected light as a function of the distance to a flat target. (Krohn, 1986. Cf. also Reh and Li, 1991.) (With permission of International Society for Optical Engineering)...
The configurations and characteristics of observation systems in seismology depend on the properties and sizes of the target objects, as well as on... [Pg.3118]

An electrical subsystem is needed to deliver power produced by a fuel cell to the user (load) this subsystem typically does not just deliver, but it modifies the fuel cell electrical output so that it matches the load requirements in terms of voltage, type of current, power quality, and transients. Obviously, the configuration and characteristics of such a subsystem strongly depend on the load requirements, which vary with application. [Pg.322]

An EMEA table contains a series of columns for the equipment reference number, the name of the piece of equipment, a description of the equipment type, configuration, service characteristics, etc, which may impact the fadure modes and/or effects, and aflst of the fadure modes. Table 2 provides a Hst of representative fadure modes for valves, pumps, and heat exchangers. The last column of the EMEA table is reserved for a description of the immediate and ultimate effects of each of the fadure modes on other equipment and the system. [Pg.472]

At still higher temperatures, when sufficient oxygen is present, combustion and "hot" flames are observed the principal products are carbon oxides and water. Key variables that determine the reaction characteristics are fuel-to-oxidant ratio, pressure, reactor configuration and residence time, and the nature of the surface exposed to the reaction 2one. The chemistry of hot flames, which occur in the high temperature region, has been extensively discussed (60-62) (see Col ustion science and technology). [Pg.338]

From a practical standpoint, the fiber or polymer must interact or process freely with the dynamics of web formation, and the resulting fiber network must be in register with the interlocking arrangement or media, in order for the fabric stmcture to transmit the maximum potential inherent in the properties of individual fibers. Ultimately, if a nonwoven fabric is to be totally effective and its properties fuUy utilized, it must be appropriately configured to meet its end use apptication or appropriately placed in the end use item in such a way that the performance of the product reflects the position and characteristics of individual fibers. [Pg.147]

In conclusion RAIRS, which affords high spectral resolution, is a very versatile nondestructive optical technique which does not depend on a vacuum environment. Vibrational spectra also serve as characteristic fingerprints for adsorbate molecules, adsorption configurations, and structures on metallic and dielectric substrates. Extension to include dielectric substrates opened new fields of application in polymer and biochemical research. [Pg.253]

The basic terminology of fiber-reinforced composite laminates will be introduced in the following paragraphs. For a lamina, the configurations and functions of the constituent materials, fibers and matrix, will be described. The characteristics of the fibers and matrix are then discussed. Finally, a laminate is defined to round out this introduction to the characteristics of fiber-reinforced composite laminates. [Pg.15]

Surprisingly, in contrast to a- and y9-peptides, CD spectra of y-peptides gave only a very hmited amount of stmctural information. Experiments conducted on heh-cal y" -hexapeptides did not reveal any characteristic CD signature (no Cotton effect) [200, 201]. Similarly, y -peptides built from 2,4-disubstituted y-amino acids of like configuration and shown to adopt a more stable 2.6-helical structure, do not display typical CD curves either [201]. However, CD spectra of the 2.6-helical -peptide 147 and its Boc-protected derivative recorded in MeOH and CD3CN present an intense maximum around 215 nm with a shoulder at ca. 200 nm [207]. [Pg.92]

The general trend is that boron enolates parallel lithium enolates in their stereoselectivity but show enhanced stereoselectivity. There also are some advantages in terms of access to both stereoisomeric enol derivatives. Another important characteristic of boron enolates is that they are not subject to internal chelation. The tetracoordinate dialkylboron in the cyclic TS is not able to accept additional ligands, so there is no tendency to form a chelated TS when the aldehyde or enolate carries a donor substituent. Table 2.2 gives some typical data for boron enolates and shows the strong correspondence between enolate configuration and product stereochemistry. [Pg.73]

Principles and Characteristics Solid-phase microextraction (SPME) is a patented microscale adsorp-tion/desorption technique developed by Pawliszyn et al. [525-531], which represents a recent development in sample preparation and sample concentration. In SPME analytes partition from a sample into a polymeric stationary phase that is thin-coated on a fused-silica rod (typically 1 cm x 100 p,m). Several configurations of SPME have been proposed including fibre, tubing, stirrer/fan, etc. SPME was introduced as a solvent-free sample preparation technique for GC. [Pg.129]

There is no such thing as a pure polymer. All polymers comprise molecules that exhibit chemical and physical distributions of many variables these include molecular weight, branching, steric defects, molecular configuration, preferential chain orientation, and crystallite size and shape. The properties and characteristics that we exploit in polymers are controlled by the overall balance of these distributions. [Pg.31]

Sherwin-Williams has developed such a polymer process control system. The methodology used to accommodate the contrasting requirements has two key elements. First, the software is based on a simple architecture that places the definition of changing reactor hardware elements and characteristics in easily modified configuration files (5). Second, the language uses a small number of basic commands to describe formulations and reactor control. Complex operations are described by reference to commands tables (macros) built using several basic commands or other macros. [Pg.179]

These differences in the effect of polymers on various flocculation responses have important theoretical and practical implications and can be explained in terms of various characteristics of floes and floc-aggregates. Polymer adsorption or attachment of particles to polymer can occur in any number of configurations, and as a result the aggregation of particles also can take place in many ways, leading to different floe and suspension structures which will respond differently to different tests. [Pg.399]


See other pages where Configuration and characteristics is mentioned: [Pg.274]    [Pg.38]    [Pg.307]    [Pg.274]    [Pg.38]    [Pg.307]    [Pg.1324]    [Pg.53]    [Pg.471]    [Pg.67]    [Pg.512]    [Pg.513]    [Pg.472]    [Pg.400]    [Pg.89]    [Pg.2394]    [Pg.249]    [Pg.4]    [Pg.292]    [Pg.373]    [Pg.1232]    [Pg.1098]    [Pg.2]    [Pg.21]    [Pg.603]    [Pg.657]    [Pg.16]    [Pg.20]    [Pg.393]    [Pg.270]    [Pg.589]    [Pg.107]    [Pg.163]    [Pg.206]    [Pg.409]    [Pg.53]   
See also in sourсe #XX -- [ Pg.152 ]




SEARCH



Characteristic configuration

© 2024 chempedia.info