Big Chemical Encyclopedia

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

Articles Figures Tables About

Oriental ingredients

Current nutritional awareness in the western world is probably unparalleled in the history of man. One need only look in health food stores and supermarkets to see the results of this awareness. Many food companies now place major emphasis on the natural, pure, low-calorie, additive-free, health- and fitness-oriented ingredients in their products. Nutritionists have established requirements for normal individuals, and additional data are being acquired rapidly on diets designed especially for individuals who experience high stress due either to illness or life style. [Pg.7]

An important ingredient in the analysis has been the positions of zeros of I (x, t) in the complex t plane for a fixed x. Within quantum mechanics the zeros have not been given much attention, but they have been studied in a mathematical context [257] and in some classical wave phenomena ([266] and references cited therein). Their relevance to our study is evident since at its zeros the phase of D(x, t) lacks definition. Euture theoretical work shall focus on a systematic description of the location of zeros. Eurther, practically oriented work will seek out computed or... [Pg.128]

What are the essential features of surfactant systems An important ingredient is obviously the repulsion between water and nonpolar molecules or molecule parts, the hydrophobic force. This interaction is however highly nontrivial, and its analysis is still an active field of research [4,22,23]. Qualitatively, it is usually attributed to the strong orientational and positional correlations between nonpolar molecules in solution and the surrounding water molecules. The origin of the interaction is therefore entropic free water forms a network of hydrogen bonds. In the neighborhood... [Pg.637]

Models of a second type (Sec. IV) restrict themselves to a few very basic ingredients, e.g., the repulsion between oil and water and the orientation of the amphiphiles. They are less versatile than chain models and have to be specified in view of the particular problem one has in mind. On the other hand, they allow an efficient study of structures on intermediate length and time scales, while still establishing a connection with microscopic properties of the materials. Hence, they bridge between the microscopic approaches and the more phenomenological treatments which will be described below. Various microscopic models of this type have been constructed and used to study phase transitions in the bulk of amphiphihc systems, internal phase transitions in monolayers and bilayers, interfacial properties, and dynamical aspects such as the kinetics of phase separation between water and oil in the presence of amphiphiles. [Pg.638]

Whereas microscopic models for bulk systems incorporate the amphiphihc character and often the orientational properties of the surfactants as basic ingredients, models for bilayers and monolayers are constructed to reproduce internal transitions, such as the gel-fluid transition, and therefore concentrate on rather different aspects of the surfactant structure. [Pg.663]

Roaches, of all four common varieties. The Oriental variety comes from outside the plant and invades individually wherever possible by getting in through broken screens, open doors, etc. The brown-banded roach has no particular habitat and flies into the plant in areas where it is common. The German and American roaches ordinarily come in with cartons of ingredients. [Pg.29]

This product therefore solved more important problems than the original target, since it improved the washability and resistance to electrostatic charge development of polyester fabrics. It was marketed first by ICI in Europe as Permalose and in the USA as Milease other companies produced similar products. Moreover, aqueous dispersions of this type of surface-active agent proved useful as rinse additives for washing hydrophobic fibres in general and became ingredients of consumer-oriented products. [Pg.22]

The first ingredient in any theory for the rheology of a complex fluid is the expression for the stress in terms of the microscopic structure variables. We derive an expression for the stress-tensor here from the principle of virtual work. In the case of flexible polymers the total stress arises to a good approximation from the entropy of the chain paths. At equilibrium the polymer paths are random walks - of maximal entropy. A deformation induces preferred orientation of the steps of the walks, which are therefore no longer random - the entropy has decreased and the free energy density/increased. So... [Pg.206]

The orientation of water molecules at the interface is an important ingredient in understanding the properties of the surface region. A large body of data is available on the stmcture of water at metal surfaces measured under ultrahigh vacuum (UHV) conditions, but it is expected that the orientation of water molecules under the conditions that exist at the electrode/electrolyte interface is very different. As mentioned earlier, the fact that the minimum energy required to eject an electron from the surface (the work function) is lower when the metal is in contact with water... [Pg.130]

Table 12 gives an orientation help for CE separations sorted by pharmaceutical substances published in review articles. As this chapter focuses on the technical development of drug substances and products, only drug substances and drug formulations are covered. A useful compendium of CE applications in the pharmaceutical environment can be found in the book Capillary Electrophoresis Methods for Pharmaceutical Analysis written by G. Lunn. The book covers more than 700 active pharmaceutical ingredients and contains short method descriptions, sample preparation steps, and references. [Pg.119]

All the essential ingredients for calculating the average scattering matrix for a randomly oriented anisotropic dipole are now at hand. From the relations (5.50), after a good bit of algebra, we obtain... [Pg.156]

Knust, F.J. Kleeberg, H. Micheletti, V. Proc. 4th Workshop "Practice oriented results on use and production ofneem ingredients and pheromones" Bordighera, Italy, November 28th-December 1st 1994, 101-102. [Pg.446]

The Second ingredient is the expression of the rotational friction in terms of the orientational time correlation functions. We have earlier derived an expression for this which was based on Kirkwood s formula [190]. The full expression should be derived by following an approach similar to that of Sjogren and Sjolander [9]. In addition, the coupling to rotational currents (the vortices) have not been touched upon. [Pg.212]

All of the composites in this study were prepared in a Banbury internal mixer. After mixing, the curing ingredients and hexamethylenetetramine were added on a 10-inch rubber mill. This milling step causes molecular orientation or grain even in unfilled rubber although the effect is relatively small. [Pg.536]


See other pages where Oriental ingredients is mentioned: [Pg.10]    [Pg.10]    [Pg.445]    [Pg.299]    [Pg.500]    [Pg.146]    [Pg.107]    [Pg.167]    [Pg.684]    [Pg.19]    [Pg.217]    [Pg.34]    [Pg.321]    [Pg.187]    [Pg.127]    [Pg.3]    [Pg.167]    [Pg.97]    [Pg.668]    [Pg.289]    [Pg.457]    [Pg.90]    [Pg.293]    [Pg.60]    [Pg.386]    [Pg.82]    [Pg.84]    [Pg.175]    [Pg.304]    [Pg.71]    [Pg.519]    [Pg.446]    [Pg.598]    [Pg.608]    [Pg.58]    [Pg.114]    [Pg.190]   
See also in sourсe #XX -- [ Pg.43 , Pg.156 , Pg.157 , Pg.158 , Pg.159 , Pg.160 , Pg.161 , Pg.187 ]




SEARCH



© 2024 chempedia.info