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Information processing elementary

Here we discuss an example of elementary NEED composed of a single q-dot and nanoantenna , that is a metal nanoparticle, following the approach of dipole nano-laser (DNL) [1,4]. We show that the nanoparticle increases not only the brightness [4], but also the modulation band of emission of a single q-dot, which is important for applications in optical information processing. Q-dot structures are considered as promising materials for LEDs [5]. [Pg.561]

There is a large literature relating psychometric indices of g to relatively simple information processing tasks. These data may be interpreted in two contradictory ways. (1) There is a singular basic ability to process information that is related to g. (2) g arises from the interaction of several distinct elementary information processing abilities (see e.g. Detterman 1994,1999). Studies of infant information processing abilities and some recent multivariate analyses provide support for the former interpretation. [Pg.124]

Precipitation chromatography, as proposed by Baker and Williams and improved in our laboratory, has a systematic error caused by the nonuniformity of the fractions. This error can be eliminated if the fraction nonuniformity is determined by a special kind of mixing experiment. Another interfering effect which is produced in anionic polymerizates by traces of impurities can be eliminated by testing the BW fractions by GPC. Exactly determined molecular weight distribution functions of samples which are synthesized under well defined kinetic conditions provide much information about elementary reactions of the polymerization process. This is demonstrated by some examples of the anionic polymerization of styrene and methyl methacrylate. [Pg.29]

Abstract Rapid advances in quantum technology have made possible the control of quantum states of elementary material quantum systems, such as atoms or molecules, and of the electromagnetic radiation field resulting from spontaneous photon emission of their unstable excited states to such a level of precision that subtle quantum electrodynamical phenomena have become observable experimentally. Recent developments in the area of quantum information processing demonstrate that characteristic quantum electrodynamical effects can even be exploited for practical purposes provided the relevant electromagnetic field modes are controlled by appropriate cavities. A central problem in this context is the realization of an ideal transfer of quantum information between a state of a material quantum system and a quantum... [Pg.457]

Another effect of the progress in molecular catalysis can be found in green chemistry where development of atom-efficient synthesis through new synthetic routes is sought to minimize waste. Greener routes with less unfavorable impact on the environment may be provided by designing proper synthetic methodologies from the outset, based on the information of elementary processes in molecular catalysis... [Pg.529]

Boole s seminal contribution to information processing is widely appreciated. Following his analysis of language in terms of the truth or falsehood of elementary statements, the representation of truth or falsehood with the symbols 0 and 1 allowed algebraic manipulation and analysis so that Aristotle s classical logic could be greatly extended. Subsequently, these ideas evolved into Boolean logic where... [Pg.153]

In this section, we begin by explaining the formulation of chemical reaction mechanisms and the process of setting up chemical rate equations firom stoichiometric information and elementary reaction rates. [Pg.6]

The method makes it possible to obtain a less averaged information on elementary processes. The main advantages of the method of crossed molecular beams compared to other methods is that it allows one to study individual collisions of two particles, which have specified quantum states and also determined translational velocities. This method is used for studying the dynamics of an elementary process involving stable molecules in the ground and excited states, atoms and radicals, van der Waals dimers, and ions. [Pg.68]

Mechanisms. Mechanism is a technical term, referring to a detailed, microscopic description of a chemical transformation. Although it falls far short of a complete dynamical description of a reaction at the atomic level, a mechanism has been the most information available. In particular, a mechanism for a reaction is sufficient to predict the macroscopic rate law of the reaction. This deductive process is vaUd only in one direction, ie, an unlimited number of mechanisms are consistent with any measured rate law. A successful kinetic study, therefore, postulates a mechanism, derives the rate law, and demonstrates that the rate law is sufficient to explain experimental data over some range of conditions. New data may be discovered later that prove inconsistent with the assumed rate law and require that a new mechanism be postulated. Mechanisms state, in particular, what molecules actually react in an elementary step and what products these produce. An overall chemical equation may involve a variety of intermediates, and the mechanism specifies those intermediates. For the overall equation... [Pg.514]

This procedure is one of the elementary logical thought processes by which information is systematized. It is called inductive reasoning, and it means that a general rule is framed on the basis of a collection of individual observations (or facts )- Of what use is the inductive process It is an efficient way of remembering. [Pg.3]

Discussed in the following section will be such data and other information regarding the elementary process steps in gas-liquid-particle operations as have appeared in the chemical engineering literature. [Pg.90]

The use of even the very simple models for isothermal operation described in Section IV,B requires a substantial amount of information regarding the elementary iate processes occurring in a gas-liquid-particle operation, as discussed in Section IV,A. While a considerable amount of information of this kind is available in the chemical engineering literature, it is widely scattered. It will be attempted in this section to present a comprehensive review of this information in order to facilitate its use. It is hoped that this review will be of value not only to those chemical engineers directly interested in the practical applications of gas-liquid-particle operations, but also, by pointing to the several areas characterized by very limited information, to those interested in research in this field. [Pg.90]

The oscillations observed with artificial membranes, such as thick liquid membranes, lipid-doped filter, or bilayer lipid membranes indicate that the oscillation can occur even in the absence of the channel protein. The oscillations at artificial membranes are expected to provide fundamental information useful in elucidating the oscillation processes in living membrane systems. Since the oscillations may be attributed to the coupling occurring among interfacial charge transfer, interfacial adsorption, mass transfer, and chemical reactions, the processes are presumed to be simpler than the oscillation in biomembranes. Even in artificial oscillation systems, elementary reactions for the oscillation which have been verified experimentally are very few. [Pg.609]

The inventory tasks is to collect environmentally important information about relevant processes involved in the product system. Inventory collects information about unit processes at first and subsequently, an inventory of inputs and outputs of the system and its surroundings is carried out. The goal is the identification and quantification of all elementary flows associated with product system. Inventory analysis is the nature of the technical implementation of LCA studies. It is an essential part of a study, has high demands for data availability, practical experience in modelling product systems and, in the case of using database tools, it is necessary to master them perfectly and to understand their function [46]. The inventory phase principle is data collection that is used to quantify values of the elementary flows. This phase represents a major practical part of the LCA study, time consuming and with demands for data availability and author s experience with modelling product system studies [47],... [Pg.268]

Although reaction rate expressions and reaction stoichiometry are the experimental data most often used as a basis for the postulation of reaction mechanisms, there are many other experimental techniques that can contribute to the elucidation of these molecular processes. The conscientious investigator of reaction mechanisms will draw on a wide variety of experimental and theoretical methods in his or her research program in an attempt to obtain information about the elementary reactions taking... [Pg.86]


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See also in sourсe #XX -- [ Pg.124 , Pg.125 , Pg.126 , Pg.132 ]




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