Use of term

Three-body and higher terms are sometimes incorporated into solid-state potentials. The Axilrod-Teller term is the most obvious way to achieve this. For systems such as the alkali halides this makes a small contribution to the total energy. Other approaches involve the use of terms equivalent to the harmonic angle-bending terms in valence force fields these have the advantage of simplicity but, as we have already discussed, are only really appropriate for small deviations from the equilibrium bond angle. Nevertheless, it can make a significant difference to the quality of the results in some cases. 

Diels-Alder reactions . Also Breslow, through the occasional use of terms such as hydrophobic... 

Use of terms such as shock-compression science, or shock-compression processes casts such a broad net that little technical communication is accomplished. Within the overall framework of interest in materials under... 

Identity. There is considerable variation in the use of terms like, "environmentalist," "environmental sdence program," "environmental studies program," etc., such that no particular background is guaranteed by the use of these terms. 

Guide for Use of Terms in Reporting Data in Analytical Chemistry, Anal. Chem. 58, 1986, 269-270. 

NL Benoiton. Sometimes it is neither a racemisation nor an epimerisation but an enantiomerisation. A plea for preciseness in the use of terms describing stereomutations in peptide synthesis. Int J Pept Prot Res 44, 399, 1994. 

CIOMS. Basic requirements for the use of terms for reporting adverse drug reactions. Pharmacoepidemiol Drug Safety 1992 1 39-45. 

It can be seen that complex reactions often produce more than one product. In most industrial processes, one particular product (or group of products) is usually considered more desirable than the rest. Efforts will be made to choose reaction conditions and reactor types which favour the production of the desired material. Also, if more than one reactant is involved, attempts will be made to reduce the relative consumption of the most expensive reactant. In order to make quantitative comparisons between various courses of action, it is convenient to have some way of expressing relative product yields. This may be achieved by defining a reaction selectivity which refers to the comparitive formation rates of reaction products or by relating the appearance of a particular product to the consumption of a specified reactant. Various definitions have appeared in the literature the choice of terms is arbitrary. The use of terms in this chapter can be illustrated by an example. Consider the reactions... 

Academy a lithograph and a model of his telluric screw (12, 13, 14). Unfortunately, his heavy, obscure literary style, his use of terms more familiar to geologists than to chemists, and die failure of the Comptes rendus to publish a reproduction of his diagram all contributed to a lack of appreciation of his contribution (19). 

All the acceptance criteria and test results are best expressed numerically or qualitatively (e.g., clear, colorless solution), as appropriate. The use of terms such as conforms or meets specification is discouraged. 

Before defining the scope of the present chapter it is worth making a few general comments on the nature of the reactions and their products and on the use of terms. 

These ere also sometimes called cis-trans isomers, but the foc-mer nomenclature is unambiguous. However, the HJPAC recommendations are moving away from the use of terms like facial and meridional. 

Avoid the use of terms that potentially could be misconstrued, such as attitude, work ethic, professionalism, and weakness. 

It is desirable to begin this chapter with some general remarks about of use of terms to describe methods of preparation, because they are sometimes used loosely and inaccurately. The methods fall into two classes (i) the support and the gold precursor are formed at the same time and (ii) the gold precursor is applied to the preformed support. The procedure for method (i) is termed coprecipitation (Section 4.2.2), and although capable of many minor variations (e.g. as in the sol-gel method, Section 4.4.1), it does not have the same wealth of alternative procedures as does the second method. These may be listed as follows. 

We must also specify the time integration method used, because the Hermitian scheme makes use of terms in dC/dT, which must be consistent with the time integration. We assume the three-point BDF method, second-order in time, so that an improvement in the usual two-point G-approximation to second or perhaps third-order (in space) will be appropriate. 

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