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Decrease types

Since different pathologies may underlie the syndrome of depression, different immunological states might be involved. Indeed, different types of MD v ere observed to exhibit different immune profiles The subgroup of melancholic depressedpatients shov ed a decreased type-1 activation— as it was observed in schizophrenic patients (Muller and Schwarz, 2007)— wMe the non-melancholic depressed patients showed signs of inflammation such as increased monocyte count and increased levels of aj-macroglobulin (Rothermundt etal., 2001). [Pg.514]

IV ADorAR Decreased type III collagen synthesis and its intracellular accumulation Heterogeneous... [Pg.586]

As oil saturation is decreased (water saturation is increased), the acid content in the oil is decreased. Consequently, the soap molar fraction X oap is decreased, as Table 12.6 shows. As X oap is decreased, type 111 salinity limits are closer to those of surfactant. Thus, the limits are increased, and the optimum salinity is increased as well. The system is changed from type III to type I. This transition from type III to type I is exactly the salinity gradient we need. In practical alkaline-surfactant flooding, water saturation will be increased from the flood front to the upstream, and the microemulsion system will change from type III... [Pg.499]

When the steric effects are great enough to cause larger twists than those responsible for the Type 1 effect, the absorption maximum is shifted to shorter wavelengths and the absorption intensity is also decreased (Type 2). The absorption spectra of o-substituted biphenyls, discussed earlier, exemplify the Type 2 effect. The absorption spectra of -substituted benzoic acids have been studied19 and their absorption maxima found to be at lower wavelengths than the p-isomers. [Pg.87]

A single dose of TCDD was reported to decrease type I deiodinase activity in a dose-dependent manner in adult rats (Raasmaja et al, 1996). Hydroxylated PCB metaboHtes also interfere with T4 metabolism by inhibition of deiodinase activity, which prevents the formation of T3 (Adams etal, 1990). [Pg.299]

Test Results The electrokinetic laboratory tests are finalized with a report. This presents relevant data, such as sample preparation, analysis results, concentration decrease, type of electrolyte solutions, electrolyte conditioning, and electrical and electrokinetic parameters. The electrical parameters are voltage (V), drop in potential (V/m), current (A), current density (A/m ), electrical power (kW/m ), and resistivity (Ohmm). Conditioning parameters comprise type of add... [Pg.707]

Gear-decreasing type Speed point for disable of Gear-decreasing... [Pg.167]

Lindstrom, J., Peltonen, M., Eiriksson, J.G., Louheranta, A., Fogelholm, M., Uusitupa, M., and Tuomilehto, J., High-fibre, low-fat diet predicts long-term weight loss and decreased type 2 diabetes risk the Finnish Diabetes Prevention Study. Diabetologia 49, 912-920, 2006. [Pg.33]

The bolt-loaded T-decreasing type of test is attractive because no complicated apparatus is required to perform the tests, and the results appear to be relatable to the control of SCC problems in engineering struc-... [Pg.243]

There are other less common types of radioactive decay. Positron emission results in a decrease by one unit in the atomic number K capture involves the incorporation of one of the extranuclear electrons into the nucleus, the atomic number is again decreased by one unit. [Pg.339]

There are no definitions for categorising reservoir fluids, but the following table indicates typical GOR, API and gas and oil gravities for the five main types. The compositions show that the dry gases contain mostly paraffins, with the fraction of longer chain components increasing as the GOR and API gravity of the fluids decrease. [Pg.96]

Thirdly, a NDT-S type cascade processor will be offered. By implementing a fixing cascade in the processor, large decreases of silver content in the rinsing water are possible, even for large customers. [Pg.609]

The next point of interest has to do with the question of how deep the surface region or region of appreciably unbalanced forces is. This depends primarily on the range of intermolecular forces and, except where ions are involved, the principal force between molecules is of the so-called van der Waals type (see Section VI-1). This type of force decreases with about the seventh power of the intermolecular distance and, consequently, it is only the first shell or two of nearest neighbors whose interaction with a given molecule is of importance. In other words, a molecule experiences essentially symmetrical forces once it is a few molecular diameters away from the surface, and the thickness of the surface region is of this order of magnitude (see Ref. 23, for example). (Certain aspects of this conclusion need modification and are discussed in Sections X-6C and XVII-5.)... [Pg.56]

We have considered the surface tension behavior of several types of systems, and now it is desirable to discuss in slightly more detail the very important case of aqueous mixtures. If the surface tensions of the separate pure liquids differ appreciably, as in the case of alcohol-water mixtures, then the addition of small amounts of the second component generally results in a marked decrease in surface tension from that of the pure water. The case of ethanol and water is shown in Fig. III-9c. As seen in Section III-5, this effect may be accounted for in terms of selective adsorption of the alcohol at the interface. Dilute aqueous solutions of organic substances can be treated with a semiempirical equation attributed to von Szyszkowski [89,90]... [Pg.67]

The type of behavior shown by the ethanol-water system reaches an extreme in the case of higher-molecular-weight solutes of the polar-nonpolar type, such as, soaps and detergents [91]. As illustrated in Fig. Ul-9e, the decrease in surface tension now takes place at very low concentrations sometimes showing a point of abrupt change in slope in a y/C plot [92]. The surface tension becomes essentially constant beyond a certain concentration identified with micelle formation (see Section XIII-5). The lines in Fig. III-9e are fits to Eq. III-57. The authors combined this analysis with the Gibbs equation (Section III-SB) to obtain the surface excess of surfactant and an alcohol cosurfactant. [Pg.69]

Another type of reaction that has been studied is that of the oxidation of a double bond. In the case of triolein, Mittelmann and Palmer [309] found that, on a dilute permanganate substrate, the area at constant him pressure hrst increased and then decreased. The increase was attributed to the reaction... [Pg.155]

For very clean metal surfaces, m should approach unity, and /t becomes very large, as observed with even a small decrease in m, y, falls to about unity, or to the type of value found for practically clean surfaces. And if a boundary film is present, making m < 0.2, Eq. XII-11 reduces to... [Pg.443]

As load is increased and relative speed is decreased, the film between the two surfaces becomes thinner, and increasing contact occurs between the surface regions. The coefficient of friction rises from the very low values possible for fluid friction to some value that usually is less than that for unlubricated surfaces. This type of lubrication, that is, where the nature of the surface region is... [Pg.443]

A monolayer can be regarded as a special case in which the potential is a square well however, the potential well may take other forms. Of particular interest now is the case of multilayer adsorption, and a reasonable assumption is that the principal interaction between the solid and the adsorbate is of the dispersion type, so that for a plane solid surface the potential should decrease with the inverse cube of the distance (see Section VI-3A). To avoid having an infinite potential at the surface, the potential function may be written... [Pg.627]

It is this type of work that is ubiquitous in chemical themiodynamics, principally because of changes of the volume of the system under the external pressure of the atmosphere. The negative sign of the work done on the system is, of course, because the application of excess pressure produces a decrease in volume. (The negative sign in the two-dimensional case is analogous.)... [Pg.327]

In fact, some care is needed with regard to this type of concentration cell, since the assumption implicit in the derivation of A2.4.126 that the potential in the solution is constant between the two electrodes, caimot be entirely correct. At the phase boundary between the two solutions, which is here a semi-pemieable membrane pemiitting the passage of water molecules but not ions between the two solutions, there will be a potential jump. This so-called liquid-junction potential will increase or decrease the measured EMF of the cell depending on its sign. Potential jumps at liquid-liquid junctions are in general rather small compared to nomial cell voltages, and can be minimized fiirther by suitable experimental modifications to the cell. [Pg.602]

Flow behaviour of polymer melts is still difficult to predict in detail. Here, we only mention two aspects. The viscosity of a polymer melt decreases with increasing shear rate. This phenomenon is called shear thinning [48]. Another particularity of the flow of non-Newtonian liquids is the appearance of stress nonnal to the shear direction [48]. This type of stress is responsible for the expansion of a polymer melt at the exit of a tube that it was forced tlirough. Shear thinning and nonnal stress are both due to the change of the chain confonnation under large shear. On the one hand, the compressed coil cross section leads to a smaller viscosity. On the other hand, when the stress is released, as for example at the exit of a tube, the coils fold back to their isotropic confonnation and, thus, give rise to the lateral expansion of the melt. [Pg.2534]


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See also in sourсe #XX -- [ Pg.705 , Pg.719 ]




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