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Although more and more zinc sheet and strip are produced in continuous mills, some is stiU produced by rolling slabs cast in open or closed book-type molds made of cast iron (124—127). The casting temperatures are between 440 and 510°C, mold temperatures between 80 and 120°C. The contact surfaces of the mold must be smooth and clean to allow unrestricted shrinkage of the cast slab. Mold lubricant is not necessary, but if used should be held to a minimum. Slabs cast in open molds must be skimmed immediately to remove surface oxide. Rolling slabs are cast 1.87—10 cm thick. [Pg.414]

The tests are set so that there are 100 questions with an open-book option, and another 100 questions of the closed-book type. Questions in both formats may appear to be complex in their setting. Devote enough time to understand the question clearly. Statements or advice that a heading may be used once, more than once or not at all mean exactly that. [Pg.455]

Location of Water in Book Type of Paper in Book Tightly Packed Books Loosely Packed Books ... [Pg.117]

Note Type of monomer used can vary from basic ethylene glycol mono- or di-methacrylates to complex structures that are beyond the scope of this book. Type of stabilisers, initiators, promoters, colorants, fillers, rubbers and thixotropic agents are propriety to adhesive manufacturing companies. [Pg.177]

An inexpensive electronic information source of large capacity is now available which can be readily used by students during a chemistry examination. It opens up the possibility of a revolutionary open book type of assessment very shortly. [Pg.155]

The Organization of the Book (Types of Intermediates - Catalysts - Situations) 3... [Pg.6]

The description of an application will furnish an outline of the over-all process this is done to place the function of carbon into proper perspective. Cook-book type of detailed information will be excluded in order to preclude any impression that operational instructions are being given. [Pg.109]

First and foremost, we express our sincere appreciation to Madhana Raghavan, an industrial engineering doctoral student at Penn State University, for his oufsfanding help with the preparation of this book, typing several chapters and reviewing the examples used. We also acknowledge the valuable contributions of Subramanian Pazhani, another doctoral student, who joined the book project recently. [Pg.532]

Prior to the 1980s and the routine use of CT imaging, most authors used the terms Malgaine, straddle and open book type to describe pelvic fractures. This provided limited detail regarding the type of mechanism of injury and was not particularly useful in planning the management of the patient. [Pg.179]

Type B1 fractures are the open book type fracture with external rotation of both iliac wings and Type B2 fractures are lateral compression injuries. TypeB3 is the classical open book type fracture (Fig. 12.17). [Pg.184]

Particle-size distributions (expressed as equivalent spherical diameter, esd) of clays depend on the inherent particle size of the deposit and the amount of refining that has been carried out during production. In primary deposits the kaolin plates are usually bound together in a book-type structure (Figure 2.3) and refining will separate them to a certain extent. Most commercial products for the polymer industries will be degritted at 300 mesh, so the normal top cut is at least 75 pm. More commonly, clays will have been refined to 20 or 10 pm for a range of applications, and speciality products will have a top cut of 5 pm or finer. [Pg.63]

But my most special gratitude is due to my colleague, dear friend and last Ph.D. student Akawut O Siriruk. Without his help in organizing this book, typing its entire text and the setting of both figures and references - there would have been no book. [Pg.188]

C2 has tTwo symmetry elements C2 and C = E. Hydrogen peroxide (H2O2) with an open-book type of geometry, as shown in Figure 16, is an illustration of this point group. [Pg.51]

In 1930, London [1,2] showed the existence of an additional type of electromagnetic force between atoms having the required characteristics. This is known as the dispersion or London-van der Waals force. It is always attractive and arises from the fluctuating electron clouds in all atoms that appear as oscillating dipoles created by the positive nucleus and negative electrons. The derivation is described in detail in several books [1,3] and we will outline it briefly here. [Pg.228]

Dislocation theory as a portion of the subject of solid-state physics is somewhat beyond the scope of this book, but it is desirable to examine the subject briefly in terms of its implications in surface chemistry. Perhaps the most elementary type of defect is that of an extra or interstitial atom—Frenkel defect [110]—or a missing atom or vacancy—Schottky defect [111]. Such point defects play an important role in the treatment of diffusion and electrical conductivities in solids and the solubility of a salt in the host lattice of another or different valence type [112]. Point defects have a thermodynamic basis for their existence in terms of the energy and entropy of their formation, the situation is similar to the formation of isolated holes and erratic atoms on a surface. Dislocations, on the other hand, may be viewed as an organized concentration of point defects they are lattice defects and play an important role in the mechanism of the plastic deformation of solids. Lattice defects or dislocations are not thermodynamic in the sense of the point defects their formation is intimately connected with the mechanism of nucleation and crystal growth (see Section IX-4), and they constitute an important source of surface imperfection. [Pg.275]

A marvellous and rigorous treatment of non-relativistic quantum mechanics. Although best suited for readers with a fair degree of mathematical sophistication and a desire to understand the subject in great depth, the book contains all of the important ideas of the subject and many of the subtle details that are often missing from less advanced treatments. Unusual for a book of its type, highly detailed solutions are given for many illustrative example problems. [Pg.52]

In this chapter we shall first outline the basic concepts of the various mechanisms for energy redistribution, followed by a very brief overview of collisional intennoleciilar energy transfer in chemical reaction systems. The main part of this chapter deals with true intramolecular energy transfer in polyatomic molecules, which is a topic of particular current importance. Stress is placed on basic ideas and concepts. It is not the aim of this chapter to review in detail the vast literature on this topic we refer to some of the key reviews and books [U, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, and 32] and the literature cited therein. These cover a variety of aspects of tire topic and fiirther, more detailed references will be given tliroiighoiit this review. We should mention here the energy transfer processes, which are of fiindamental importance but are beyond the scope of this review, such as electronic energy transfer by mechanisms of the Forster type [33, 34] and related processes. [Pg.1046]

This book focuses on various aspects of moiecuiar sieve synthesis giving a broad overview of the different types of moiecuiar sieves. [Pg.2794]

A wider variety of reaction types involving reactions at bonds to oxygen atom bearing functional groups was investigated by the same kind of methodology [30]. Reaction classification is an essential step in knowledge extraction from reaction databases. This topic is discussed in Section 10.3.1 of this book. [Pg.196]

Monographs, reference books, and encyclopedias, e.g., Ullmann s Encyclopedia of Industrial Chemistry, the Kirk-Othmer Encyclopedia of Chemical Technology, or the Encyclopedia of Computational Chemistry are included in this type of literature, which is furthest from the primary literature as concerns time and content. In most cases, tertiary literature summarizes a topic with information from different sources, and additionally evaluates the contents. [Pg.239]

The type of balance referred to abo e has now been superseded by far more accurate and more rapid balances w hich do not retynre the method of weighing described (p. 466). This book may, however, be used in laboratories which do not possess these balances, or use single-pan balances. [Pg.465]

Part V, on Simple Enzyme Reactions, is rather a new departure in practical books of this type. The importance of... [Pg.592]

Most chemists want to avoid the paper-and-pencil type of work that theoretical chemistry in its truest form entails. However, keep in mind that it is precisely for this kind of painstaking and exacting research that many Nobel prizes have been awarded. This book will focus almost exclusively on the knowledge needed to effectively use existing computer software for molecular modeling. [Pg.1]

It is also possible to simulate nonequilibrium systems. For example, a bulk liquid can be simulated with periodic boundary conditions that have shifting boundaries. This results in simulating a flowing liquid with laminar flow. This makes it possible to compute properties not measurable in a static fluid, such as the viscosity. Nonequilibrium simulations give rise to additional technical difficulties. Readers of this book are advised to leave nonequilibrium simulations to researchers specializing in this type of work. [Pg.305]

One of the simplest ways to model polymers is as a continuum with various properties. These types of calculations are usually done by engineers for determining the stress and strain on an object made of that material. This is usually a numerical finite element or finite difference calculation, a subject that will not be discussed further in this book. [Pg.307]

The section on applications examines the same techniques from the standpoint of the type of chemical system. A number of techniques applicable to biomolecular work are mentioned, but not covered at the level of detail presented throughout the rest of the book. Likewise, we only provide an introduction to the techniques applicable to modeling polymers, liquids, and solids. Again, our aim was to not repeat in unnecessary detail information contained elsewhere in the book, but to only include the basic concepts needed for an understanding of the subjects involved. [Pg.397]


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