Behaviour categorisation

Mussel ite, C. (2006). Attitudes towards vehicle driving behaviour Categorising and contextualising risk. Accid Anal Prev., 38,324-334. 

The different PFCLs used as interoperative tools can be categorised as a group of compounds with more or less uniform behaviour. On the contrary, the partially fluorinated species have to be regarded as individuals each. This is due to the hybrid character of these compounds, which combine the behaviours of alkanes and perfluoroalkanes. Especially, the toxicological behaviour cannot be optimised by simple modifications of the degree of fluorination. If the two molecule parts are combined in the right balance, the cytotoxic behaviour of the alkyl chain can be overcompensated by the inert perfluorinated part of the compound. But each compound should be tested individually to ensure its suitability as a candidate for ophthalmic use. 

Life stage complexity. Marketers need to categorise groups by attitudinal and behavioural rather than by traditional demographics. 

Chemistry is about what matter is like and how it behaves, and our explanations and predictions of its behaviour. What is matter This word is used to cover all the substances and materials from which the physical universe is composed. There are many millions of different substances known, and all of them can be categorised as solids, liquids or gases (Figure 1.1). These are what we call the three states of matter. 

Extractive reactions can be usefully categorised into those which are too slow to occur within the diffusion film and those which occur largely within the film. Borderline cases will show intermediate behaviour. 

As a consequence, three principally different situations for a functional barrier packaging system can be assumed as depicted in Fig. 9.2. The corresponding kinetic migration characteristics are outlined in Fig. 9.3 which categorises the kinetic migration behaviour possibilities for a migrant at time t = 0 (for instance the time of package fill) into three typical cases ... 

The densification behaviour of powders has been categorised into types A, B and C (York and Pilpel 1973). Type A (plastic) exhibits parallel but distinct graphs for different size fractions, type B (fragmenting) exhibits particulate fragmentation at low pressures with graphs becoming coincident at higher pressures and type C (extremely plastic) is characterised by a small initial curved section, a low value of mean yield pressure and a rapid approach to zero porosity at low pressure. 

Many metal pollutants (e.g. mercury, cadmium, lead, nickel and zinc) are hazardous to human health and terrestrial ecosystems. The determination of metals in contaminated soils may be carried out for a variety of reasons, such as measurement of total or defined extractable content, which provides knowledge of soil components in respect of changes in soil composition produced by natural or anthropogenic contamination. In addition, the analysis may be designed to investigate and categorise degrees of contamination of land for current or intended use. An environmental survey of a polluted site may be undertaken to obtain information about the nature, quantity, distribution and behaviour of contaminants and, if necessary, to select the most appropriate use of the site (Hester Harrison 2001 Kibblewhite 2001). 

Bardsley [28] and Childs and Bardsley [29] have provided a substantial body of mathematical theory to facilitate the categorisation of detailed curve shapes in cases where the data do not fit the linear transformations of Eqn. 4. This approach may be seen as essentially inductive. It is an attempt to set up rigorous procedures for empirical mathematical description of enzymes kinetic behaviour. Such description should in theory define minimum levels of complexity for physical models. Application of this approach will severely test the precision of rate measurements in real cases, and there is a risk that vaUd mechanisms may be ruled out on the basis of apparent subtleties of curve shape that are no more than experimental error. This, however, is certainly no excuse for ignoring genuine non-linearity. 

Sutures remain the most common method of tpproximating the divided edges of tissue (1). Sutures are categorised by size, material, design and behaviour. Absorbable and nonabsorbable materials are further divided into synthetic versus natural products, some of vdiich can be fabricated in braided and/or monofilament form. Non-absorbable sutures have played an important role in the development of surgical procedures, generally made of silk, polyamide, polyester, polypropylene, polyethylene and poly(tetrafluoroethylene) (2). 

The first activity related to two models of the nature of matter at the submicro-scopic level. A core issue in teaching chemistry is that phenomena that can be directly observed (dissolving, burning) are commonly conceptualised at two very distinct levels (Johnstone, 1982) by a formal description and categorisation at the macroscopic level and through explanation of observed behaviour based upon theoretical models of the structure of matter at a submicroscopic scale (Taber, 2013). 

Industrial carbon adsorbents are complex products difficult to classify on the basis of their behaviour, surface characteristics, properties or utility. However, they are usually categorised according to their particle shapes and size into powdered, granulated, spherical, pelletised or fibrous (in the form of felt or cloth) activated carbons. These categories can be further sub-divided according to their various properties, e.g. porous structural or surface chemical structural characteristics. 

It is beyond the scope of this chapter to consider in detail the many issues related to the theoretical and practical aspects of the non-Newtonian behaviour of polymer solutions. A large amount of published literature is available for readers requiring more detailed information ranging from the introductory to the advanced level [25-28]. One author [29] includes a chapter listing a comprehensive library of books on rheology, categorised into both theoretical and practical aspects of the science. 

In order to guarantee the actual behaviour of the component, as specified in the safety contracts, we need to provide evidence about confidence in the contract. We categorise the evidence that supports the confidence in the contracts in terms of completeness, correctness and consistency, as follows (1) completeness refers to whether contracts have captured all the needed properties of the component and the environment, (2) correctness refers to whether the contracts are correct with respect to associated requirements and (3) consistency refers to whether the contracts are not contradicting each other. 

The simulation results are consistent with what mi t reasonably be expected, namely that the less stiff the particles axe, the easier the packed bed is squashed. However, it is noticed that there is 10 fold difference between the values of KN =8E3 and 8E2, while the difference berween 8E2 and 4E2 is only double. There is not much difference between the voidage -bed depth curves of KN =8E3 and KN =8E2, although there is a significant difference between the ones of KN -8E2 and KN =4E2. The sharp change in behaviour with a relatively small variation in KN suggests that it may be convenient to categorise the particles into "sensitive and insensitive groups with respect to their behaviour under compression. The value can be found by computer simulation. 

---