Big Chemical Encyclopedia

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

Articles Figures Tables About

Principle consideration

Absorption spectroscopy in the UVA is is a method which has been used for a very long time [41,43]. In principle each spectrometer applicable to photokinetics consists of four components  [Pg.244]

In addition modem equipment has interfaces to personal computers, work stations, or data stations. [Pg.245]


Suo YG, Zhuang L, Lu JT. 2007. Pirst-principles considerations in the design of Pd-altoy catalysts for oxygen reduction. Angew Chem Int Ed 46 2862-2864. [Pg.313]

Champion S, Feame A (2001) Supply Chain Management A First Principles Consideration of its Application to Wool Marketing. Wool Technology and Sheep Breeding 49 (3) 222-236... [Pg.262]

Pfluger P. and D.R. Dietrich (2001). Pharmaceuticals in the Environment—An Overview and Principle Considerations. In K. Kiimmerer (Ed.). Pharmaceuticals in the Environment Sources, Fate, Effects and Risks. Springer, New York, pp. 11-17. [Pg.280]

Summing up the above, we may conclude that the classical system of equations (5.93) and (5.94), together with the above given additional terms, coincides perfectly with the asymptotic system of equations of motion of quantum mechanical polarization moments (5.87) and (5.88). This result was actually to be expected from correspondence principle considerations. [Pg.202]

Lastly, we consider the diffusive contribution to the signal. Since this portion of the signal arises from molecular reorientation, it should be completely depolarized unless these diffusive reorientational dynamics also have a significant DID component. The orientational decay will be made up of exponential components, the number of which depends on the molecular symmetry and the relationship between the principal axes of the diffusion and polarizability tensors of the molecules (8). If these tensors share no axes, the orientational decay will be composed of a sum of five exponentials. If the tensors share one axis, the decay will be composed of three exponentials. If the tensors share all three axes, the decay will be composed of two exponentials. If the molecule is further a symmetric top, then reorientation about the axis of symmetry cannot be observed, and the decay will be composed of a single exponential. In principle, considerably more information is available when the principal axes of the diffusion and polarizability tensors are not shared however, in practice it is virtually impossible to find a unique fit to the sum of five exponentials, some of which may have very small amplitudes. In the remainder of this chapter we will therefore concentrate on symmetric-top liquids. [Pg.492]

In principle, consideration has to be given to any measure that prevents faecal-oral HAV infection, e. g. correct hygiene procedures - particularly in risk situations. Generally, for water and food, is required Cook it, peel it or forget it This includes the (worldwide) purification of drinking water and the operation of reliable sewage plants. (45, 47, 73, 78)... [Pg.422]

Actual meaning of the overlap parameter (20) is revealed in the first-principles consideration [36] by including hidden effects of metal-to-ligand-to-metal hopping. [Pg.702]

Eyring then remarks that more detailed calculations, as well as principled considerations, give no support for the construction of these theories ... [Pg.13]

In real mode-locked lasers the amplitudes Ak are generally not equal. Their amplitude distribution Ak depends on the form of the spectral gain profile. This modifies (6.9) and gives slightly different time profiles of the mode-locked pulses, but does not change the principle considerations. [Pg.280]

An internal antistat is compounded into the organic substrate and migrates to the plastic part surface. The same principle considerations apply as for migrating slip additives (Figure 1.19). [Pg.15]

Prevention of the release of biohazardous materials from biotechnology processes can be achieved by applying biosafety containment principles. Consideration must be given to the containment requirements of all process steps from the initial generation of seed cultures and inocula to the handling of process effluent. The problems of treating off gases and liquid effluent are discussed elsewhere (chapter 12). This chapter will consider the application of containment principles to prevent release of hazardous material from unit processes at laboratory and pilot plant scales. [Pg.129]

Ocean biomass is as important as terrestrial biomass, and regenerating capabilities are comparable, although the distribution as such is, in fact, reverted in the sense that the simpler organisms contribute most to ocean biomass. Biorefinery of ocean biomass is an emerging field, and the same principle considerations as for forest biomass refinery apply [28,29]. [Pg.131]

List all of the possible term symbols (do not neglect any due to Pauli principle considerations) for a cf ground-state valence electron configuration. [Pg.541]

Figure 5.12 describes the advantages of this principle. Standard cavity pressure sensors are shown in the top row where the first one is installed correctly (left) and the second one touches the sensor bore due to an inclined installation (right). As a consequence, the second sensor loses sensitivity (force shunt). This is reflected in the measured values, which are too low (shown schematically by the two internal pressure curves). The so-called PRIASAFE sensors, which are protected by a sleeve, are shown in the lower row. Both the correctly installed sensor (left), as well as the sensor with the sleeve touching the sensor bore (right), provide identical, problem-free measurement signals. This principle considerably facilitates the handling of cavity pressure sensors. [Pg.649]

Cui, G., Song, S., Shen, P.K., Kowal, A., and Bianchini, C. (2009) First-principles considerations on catalytic activity of Pd toward ethanol oxidation. The Journal of Physical Chemistry C, 113 (35), 15639-15642. [Pg.126]

The difference in the potential for sample throughputs between MALDI and the liquid ionization techniques can be summarized as follows ESI and APCI are limited by fluidic restrictions— that is, the velocity of fluids in tubes. MALDI is limited by the flight time of ions in a vacuum system. From first principle considerations the two differ by at least two orders of magnitude. [Pg.480]


See other pages where Principle consideration is mentioned: [Pg.55]    [Pg.120]    [Pg.76]    [Pg.64]    [Pg.298]    [Pg.309]    [Pg.65]    [Pg.211]    [Pg.309]    [Pg.328]    [Pg.198]    [Pg.486]    [Pg.244]    [Pg.336]    [Pg.84]    [Pg.314]    [Pg.7]    [Pg.68]    [Pg.261]    [Pg.900]    [Pg.266]    [Pg.1]    [Pg.165]   


SEARCH



General Considerations and Basic Principles

Leads from Libraries General Principles, Practical Considerations

Measurement Principles Basic Considerations about Sensing

Principles and Special Considerations for Bioreactor Design

Safety considerations general principles

Uncertainty-principle considerations

© 2024 chempedia.info