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Topic definition

The book includes among other topics Definition of expln and classification of expln processes, pp 9-l6 Theory of shock waves, which includes "shock adiabat on p 190 (pp 182-224) Theory of deton waves (pp 225-27) Hugoniot curve for detonation waves (p 228) Hydrodynamic Theory of deton (p 226) Explosion in air. (pp 555-663) Theory of point initiation of deton, called in Rus "Teoriya tochechnago vzryva (pp 598-624) Theory of spherical expln (pp 624-40) Explosion in condensed medium (pp 664-81) Propagation of shock waves in water (pp 681-90) Some problems of theory of deton in liquids (pp 690-98) Propagation of waves in solids (pp 708-18) and Theory of deton in earth. (pp 718-44)... [Pg.617]

Mislow and Siegel introduced new definitions to clarify some ambiguous stereochemical nomenclature, and they restated some topicity definitions to make them consistent with the stereochemical terms. The flow chart in Figure 2.45 shows their classification for the kinds of substituents wifliin a molecule. The classification system is based on the answer to three questions ... [Pg.99]

Book covering such vital issues and topics definitely should be attractive to the scientific community. This book is a very useful tool for scientists, academicians. [Pg.744]

It should also be noted that the open-loop transfer functions given in equations (18.43) and (18.44) are valid, strictly speaking, ftx onty one coinhiiiation of holdup volumes in the condensate receiver and the column base. Studies to date, however, suggest that if these holdups are no larger than the total holdup on the trays, then the open-loop transfer functions are relatively insensitive to variations in terminal volumes. This topic definitely needs more study. In the meantime we should determine terming volumes by material-balance and protective-control calculations before calculating column composition dynamics. [Pg.442]

The definition above is a particularly restrictive description of a nanocrystal, and necessarily limits die focus of diis brief review to studies of nanocrystals which are of relevance to chemical physics. Many nanoparticles, particularly oxides, prepared dirough die sol-gel niediod are not included in diis discussion as dieir internal stmcture is amorjihous and hydrated. Neverdieless, diey are important nanoniaterials several textbooks deal widi dieir syndiesis and properties [4, 5]. The material science community has also contributed to die general area of nanocrystals however, for most of dieir applications it is not necessary to prepare fully isolated nanocrystals widi well defined surface chemistry. A good discussion of die goals and progress can be found in references [6, 7, 8 and 9]. Finally, diere is a rich history in gas-phase chemical physics of die study of clusters and size-dependent evaluations of dieir behaviour. This topic is not addressed here, but covered instead in chapter C1.1, Clusters and nanoscale stmctures, in diis same volume. [Pg.2899]

Tbe term structural foam was originally coined by Union Carbide to describe an injection moulded thermoplastic cellular material with a core of relatively low density and a high-density skin. The term has also been used to describe rigid foams that are load bearing. Today it is commonly taken to imply both of the above requirements, i.e. it should be load bearing and with a core of lower density than the skin. In this section the broader load-bearing definition will be used. Whilst structural foams are frequently made from polymers other than polystyrene, this polymer is strongly associated with such products and it is convenient to deal with the topic here. [Pg.459]

Up to this stage we have considered the deformation behaviour of fibre composites. An equally important topic for the designer is avoidance of failure. If the definition of failure is the attainment of a specified deformation then the earlier analysis may be used. However, if the occurrence of yield or fracture is to be predicted as an extra safeguard then it is necessary to use another approach. [Pg.232]

Work instructions are identified in a Note to clause 4.2.2 of ISO 9001 and in clause 4.9.2 in ISO/TS 16949 where it states that job instructions are equivalent to work instructions. In ISO 9001 it implies that work instructions define how an activity is performed but in ISO 8402 1994 a procedure is defined as a specified way to perform an activity. There isn t enough difference between these two definitions to warrant a change in the term and its inclusion may well create much confusion, especially as ISO 9004-1 does not refer to work instructions or any other type of instructions. The list of topics that should be addressed by job instructions in clause 4.9.2 of ISO/TS 16949 certainly does not by itself imply that job instructions define how an activity is performed ... [Pg.177]

The Center for Chemical Process Safety s projects fall into a number of general topic areas that comprise a comprehensive program. These topic areas include identification of hazards and analysis of risks, prevention and mitigation of the hazards identified, and better definition of areas affected by a release of hazardous materials. This book is the latest in the series dealing with hazard identification and risk analysis. [Pg.281]

Soil has been defined in many ways, often depending upon the particular interests of the person proposing the definition. In discussion of the soil as an environmental factor in corrosion, no strict definitions or limitations will be applied rather, the complex interaction of all earthen materials will come within the scope of the discussion. It is obvious only a general approach to the topic can be given, and no attempt will be made to give full and detailed information on any single facet of the topic. [Pg.377]

This chapter covers a variety of topics related to the class of probabilistic CA (PCA) i.e. CA that involve some elements of probability in their state-space definition and/or time-evolution. We begin with a physicist s overview of critical phenomena, then move on to discuss the equivalence between PCA and spin models, critical behavior of PCA, mean-field theory, and CA simulation of conventional spin models. The chapter concludes with a discussion of a stochastic version of Conway s Life rule. [Pg.325]

This section will briefly review some of the basic terms used to discuss errors. It is not intended to be a comprehensive treatment of the topic. Here, we will simply consider the basic definitions. We will not attempt to derive or even explain the underlying theory. For more detailed treatments, please refer to the bibliography. [Pg.167]

In order that hot condenser water may be re-used in a plant, it is normally cooled by contact with an air stream. The equipment usually takes the form of a tower in which the hot water is run in at the top and allowed to flow downwards over a packing against a countercurrent flow of air which enters at the bottom of the cooling tower. The design of such towers forms an important part of the present chapter, though at the outset it is necessary to consider basic definitions of the various quantities involved in humidification, in particular wet-bulb and adiabatic saturation temperatures, and the way in which humidity data are presented on charts and graphs. While the present discussion is devoted to the very important air-water system, which is in some ways unique, the same principles may be applied to other liquids and gases, and this topic is covered in a final section. [Pg.738]

The necessity of the statistical approach has to be stressed once more. Any statement in this topic has a definitely statistical character and is valid only with a certain probability and in certain range of validity, limited as to the structural conditions and as to the temperature region. In fact, all chemical conceptions can break dovra when the temperature is changed too much. The isokinetic relationship, when significantly proved, can help in defining the term reaction series it can be considered a necessary but not sufficient condition of a common reaction mechanism and in any case is a necessary presumption for any linear free energy relationship. Hence, it does not at all detract from kinetic measurements at different temperatures on the contrary, it gives them still more importance. [Pg.473]

A definitive study of this topic is Geoffrey Wainwright, Eucharist and Eschatology (London Epworth Press, 1971). [Pg.8]

In these cases there is no well defined notion of a looser constraint, the choice is then either to force those variables to be equal in x and y, or to find some path from their value to a constraint on another inter- or intrasituational variable and thus be able to show that their values in jc, y should obey some ordering based on these other constraints. This topic is the subject of current research, but is not limiting in the flowshop example, since no such constraints exist. Lastly, it is not enough to assert conditions on the state variables in x and y, since we have made no reference to the discrete space of alternatives that the two solutions admit. Our definition of equivalence and dominance constrains us to have the same set of possible completions. For equivalence relationships the previous statement requires that the partial solutions, x and y, contain the same set of alphabet symbols, and for dominance relations the symbols of JC have to be equal to, or a subset of those of y. Thus our sufficient theory can be informally stated as follows ... [Pg.301]

In choosing the definition of operationality, we are deciding the tradeoff between the number of predicates required to evaluate the condition versus the complexity of each predicate. This tradeoff further reduces to the cost of matching the facts to the predicates, versus the cost of evaluating a given match. If there are many different ways to match the facts to the predicates, but only one is successful, we will tend to have high match cost, unless we can find some ordering of the predicates, such that the unsuccessful ones are eliminated early. This topic has been the subject of much discussion see Minton et al. (1990) for details. [Pg.318]

The precision of the data is not such as to allow non-dipole interactions to be definitively ruled out, and more detailed study of this topic by careful measurement of the full angular distribution, as opposed to detection at a single angle, will be required to provide a complete probe. In the meantime a clear observation that enantiomer PECD curves have a mirror-image relationship... [Pg.312]

The cement-forming reaction is a special case of an acid-base reaction so that concepts of acid, base and salt are central to the topic. In AB cement theory, we are concerned with the nature of the acid-base reaction and how the acidity and basicity of the reactants are affected by their constitution. Thus, it is appropriate at this stage to discuss the various definitions and theories available. [Pg.12]

Also shown is how the topic of AB cements relates to these definitions. An ideal definition for a subject should be one that exactly fits it. It should cover all aspects of the subject while excluding all extraneous topics. Thus, a theory should be neither too restrictive nor too general. The Arrhenius and Germann-Cady-Elsey definitions do not relate to the subject at all as... [Pg.19]

Many pubhcahons refer to the use of micro reactors for process intensificahon, with all the imphcahons related to this definition - safety, cost reduchon, high productivity rate, environmental friendliness, energy efficiency and so on [5, 25, 104]. A particular feature of interest is the reduction of the equipment size (see also Section 1.4.3.5 for a systematic top-down description of this topic). [Pg.57]

When I started to research this topic seriously, I asked the experts for a monograph on oil field chemicals and they replied, There is none. This book is the result of my efforts to create a definitive study on this important subject. [Pg.508]


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