Desirable effect

How to cap the quantum calculation so that there are no dangling electron s or bonds in the quan turn m eeh an ical calculation wdi ilc still preservin g th c desired effect of the classical portion (which is now there, only in principle ). 

As a device for describing the effect of temperature on solution nonideality, it is entirely suitable to think of Eq. (8.115) as offering an alternate notation which accomplishes the desired effect with p and as adjustable parameters. We note, however, that the left-hand side of Eq. (8.115) contains only one such parameter, x, while the right-hand side contains two p and . Does this additional parameter have any physical significance ... 

Emulsifiers are classified by the hydrophilic—lipophilic balance (HLB) system. This system indicates whether an emulsifier is more soluble in water or oil, and for which type of emulsion (water-in-oil or oil-in-water) it is best suited. Emulsifiers having alow HLB value are more oil soluble, and are better suited for water-in-oil appHcations such as margarine. Conversely, emulsifiers having a high HLB value are more water soluble, and function more effectively in oil-in-water emulsions such as ice cream (34). The use of this system is somewhat limited because the properties of emulsifiers are modified by the presence of other ingredients and different combinations of emulsifiers are needed to achieve a desired effect. The HLB values of some common emulsifiers are given (35). 

In papemiaking, chemicals can be added either to the pulp slurry prior to sheet formation, ie, internal or wet-end addition, or to the resulting sheet after complete or partial drying, ie, surface or dry-end addition. The method chosen depends on retention and the desired effect. For example, strength additives usually are added internally if uniform strength throughout the sheet is wanted, but they are applied to the surface if the need is for increased surface strength. If an additive caimot be retained efftciendy from a dilute pulp slurry, then it is better to apply it to the surface of the sheet. 

Pharmacokinetics is the study of how the body affects an adiriinistered dmg. It measures the kinetic relationships between the absorption, distribution, metaboHsm, and excretion of a dmg. To be a safe and effective dmg product, the dmg must reach the desired site of therapeutic activity and exist there for the desired time period in the concentration needed to achieve the desired effect. Too Htde of the dmg at such sites yields no positive effect ( MTC) leads to toxicity (see Fig. 1). For intravenous adininistration there is no absorption factor. Total body elimination includes both metabohc processing and excretion. 

Fig. 5. Halftone dots magnified (a), (b), and (c) are 20, 50, and 80% dots at 0°, respectively (d), (e), and (f) are 50% dots at 15, 30, and 45°, respectively. Besides changing size, additional photographic steps may be required to achieve the desired effect on the printed page. For halftone images, the...

A typical NO, le cl in the combustion gas is around 107 rng/lVlJ (0,25 lb/l(F Btii), and the (X) leyel tends to be high (near 86 rng/MJ [0,20 lb/l(f Btii]), Only one design has used secondaiv air, and this lowered the NO, to 86 rng/AlJ and the (X) to about 43 rng/AlJ (0,10 lb/l(h Btii), NO, reduction by selectiye noncatalytic reduction (SNCR) has not been tested in a bubbling AFBC, but without the assistance oF secondary air, it maybe diFFicult to distribute the ammonia adequately across the Freeboard to achie e the desired effect. 

Mecoprop is also found frequently in surface freshwaters. MAFF have recognized this and taken action. Mecoprop is a mixture of two different chemical forms, only one of which has herbicidal activity. Historically, products contained a mixture of both forms, resulting in the need for high doses to achieve the desired effect. However, it is now possible to separate the herbicidally active form... 

Free phenol is a major concern in the manufacture of novolac resins. This is true for several reasons. The strongest drivers are probably EPA classification of phenol as a Hazardous Air Pollutant and worker safety concerns. However, free phenol also has significant technical effects on such parameters as melt flow characteristics. In this role, free phenol may undermine the desired effects of a molecular weight design by increasing flow beyond the desired point. Since free phenol is often variable, the effects on flow may also cause variation in product performance from batch to batch. Fig. 18 shows the effects of free phenol on the flow across a series of molecular weights. Free phenol contents between 1 and 10% are commonly seen. In recent years, much work has been aimed at reducing the free phenol. 

A process is found effective when it produces a desired effect e.g., ventilation in a room is effective when it produces sufficiently good air... 

The air shower principle is effective but the effect may be drastically reduced if specified design parameters are not followed and maintained. If the system is designed for a supply air temperature of 2 °C below general room temperature, a major divergence from that may drastically reduce the desired effect. A large temperature difference will result in a high acceleration of the supply air and therefore a reduced protected volume, especially when a textile tube is used as the inlet air unit. It is also important to avoid high temperature di fferences because of the risk that drafts may cause discomfort for workers. 

To be used effectively, the inhibitor must be compatible with the expected environment and also be economical, while contributing the greatest desired effect. Inhibitors can be classed into two main categories, inorganic and organic inhibitors. 

The definition of desired therapeutic and side effects in the case of the benzodiazepines very much depends on the clinical problem in question. The sedative and hypnotic actions are desired effects in the treatment of insomnia, but undesired effects in the treatment of anxiety disorders. Effects that are usually undesired include daytime drowsiness, potentiation of the sedative effects of ethanol, and anterograde amnesia. They are mediated via the benzodiazepine site of GABAa receptors, since they can be antagonized with flumazenil. 

As the drag circulates in the blood, a certain blood level must be maintained for the dragp to be effective When the blood level decreases below the therapeutic level, the drag will not produce the desired effect. Should the blood level increase significantly over the therapeutic level, toxic symptoms develop. Specific therapeutic blood levels are discussed in the subsequent chapters when applicable. 

Like the barbiturates, the miscellaneous drugp sedative or hypnotic effects diminish after approximately 2 weeks. Ffersons taking these dragp for periods longer than 2 weeks may have a tendency to increase the dose to produce the desired effects (eg, sleep, sedation). Physical and psychological dependence may occur, especially after prolonged use of high doses. However, their addictive potential appears to be less than that of the... 

D. dosages of the hypnotic may be increased each night until the desired effect is achieved... 

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