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Functional parts

Csizmadia I G, Flarrison M C, Moscowitz J Wand Sutcliffe B T 1966 Commentationes. Non-empirical LCAO-MO-SCF-Cl calculations on organic molecules with Gaussian type functions. Part I. Introductory review and mathematical formalism Theoret. Chim. Acta 6 191-216... [Pg.2195]

FIGURE 15 5 Structure of NAD the oxidized form of the coenzyme nicotinamide adenine dinucleotide The functional part of the coen zyme is framed in red... [Pg.646]

Economics and price of the final article often dictate a specific type of mbber that can be used. The expected usable life for the product is controlled by many factors including end customer awareness, competitive situation in the marketplace, safety, reUabiUty, and other factors. Rubber is almost always used as a functional part of another system. For example tires, hoses, belts, O-rings, and numerous mbber components are used in manufacturing automobiles and tmcks. The overall life of the vehicle as well as its performance level often control or direcdy relate to the service life or quaUty level of the mbber parts. [Pg.230]

Products such as aftershave lotions, hair tonics, and soaps contain additives purely for esthetic reasons. In many cases, though, the colorant is a significant functional part of a cosmetic, often comprising half of its total weight. Some cosmetics, including eyebrow pencils, nail poHshes, and rouges, are really Httie more than colorants mixed with one or more materials that serve simply as binders, vehicles, or diluents to give the product desirable appHcation properties (29,36-40). [Pg.441]

Glass-reinforced grades have widely replaced metals in pumps and other functional parts in washing equipment and central heating systems. In the manufacture of business machine and computer housings structural foam materials have found some use. Mouldings weighing as much as 50 kg have been reported. [Pg.591]

In designing the asset register format for the specific location items such as manufacturer/supplier, purchase price and date, order no., cost code, function, parts/spares, guidance note reference and insurance inspections should be catered for. While carrying out the survey for the asset register, all the information found on plant and equipment nameplates should be recorded as, during their life, these tend to be lost or painted over. [Pg.786]

The human brain is a neural net consisting of about ten billion interconnected neurons. Figure 10.1-a shows a schematic representation of a single neuron. At the ri.sk of grossly oversimplifying the brain s enormously complex physiology, we will only focus on a relatively few functional parts of a single neuron. [Pg.510]

However, Rudie et al. (1981) reported the presence of firmly bound EPR-silent copper in their luciferase preparation that was 40 times more active than that obtained by Bellisario et al. (1972). Thus, copper may be a functional part of luciferase. According to Rudie et al. (1981), the luciferase contains carbohydrate (6%), lipid (2%), copper (up to 4g-atom per mole), and an unusually high content of proline plus hydroxyproline (11% by weight). [Pg.239]

Musicki, B., Kishi, Y., and Shimomura, O. (1986). Structure of the functional part of photoprotein aequorin. Chem. Commun. 1986 1566-1568. [Pg.422]

Woolfson and Mahmoud have classified the routes to preparation of decorated self-assembling peptide materials [53] as (1) co-assembly, where the functional part is already attached to a self-assembling component prior to assembly, and (2) postassembly, where a non-functionahsed self-assembled structure is modified by covalent or non-covalent means. This discussion adheres to this classification. A third route, beyond the scope of this review, is the use of structured peptides as templates for inorganic materials. Section 4.1 discusses functionalised self-assemblies formed from co-assembly-type approaches, while post-assembly modifications of self-assembled structures are considered in Sect. 4.2. [Pg.46]

Niacin Nicotinic acid, nicotinamide Coenzyme in oxidation and reduction reactions, functional part of NAD and NADP Pellagra—photosensitive dermatitis, depressive psychosis... [Pg.482]

Pantothenic acid Functional part of CoA and acyl carrier protein fatty acid synthesis and metabolism ... [Pg.482]

In a classical neural pathway, such as that depicted in Fig. 1.3, neuron A must excite neuron B and at the same time inhibit neuron C in order to optimise the excitation of B. It could achieve this with one NT able to activate receptors linked to different events on B and C. Of course, neuron C would have other inputs, some of which would be excitatory and if the same NT was used it could activate the inhibitory mechanism on C as well. Also, the NT released from A might be able to stimulate as well as inhibit neuron C (Fig. 1.3(a)). Even the provision of separate receptors linked to excitation and inhibition would not overcome these problems since both would be accessible to the NT. One possible solution, used in the CNS, is to restrict the NT to the synapse at which it is released by structural barriers or rapid degradation. Also the inputs and receptors linked to excitation could be separated anatomically from those linked to inhibition and, in fact, there is electrophysiological and morphological evidence that excitatory synapses are mainly on dendrites and inhibitory ones on the soma of large neurons (Fig. 1.3(b)). Nevertheless, the problem of overlap would be eased if two NTs were released, one to activate only those receptors linked to excitation and another to evoke just inhibition, i.e. place the determinant of function partly back on the NT (Fig. 1.3(c)). This raises a different problem which has received much consideration. Can a neuron release more than one NT ... [Pg.11]

The molecular modelling approach, taking into account the pyruvate—cinchona alkaloid interaction and the steric constraints imposed by the adsorption on the platinum surface, leads to a reasonable explanation for the enantio-differentiation of this system. Although the prediction of the complex formed between the methyl pyruvate and the cinchona modifiers have been made for an ideal case (solvent effects and a quantum description of the interaction with the platinum surface atoms were not considered), this approach proved to be very helpful in the search of new modifiers. The search strategy, which included a systematic reduction of the cinchona alkaloid structure to the essential functional parts and validation of the steric constraints imposed to the interaction complex between modifier and methyl pyruvate by means of molecular modelling, indicated that simple chiral aminoalcohols should be promising substitutes for cinchona alkaloid modifiers. Using the Sharpless symmetric dihydroxylation as a key step, a series of enantiomerically pure 2-hydroxy-2-aryl-ethylamines... [Pg.57]

Reinhart and Rippin used the expected value of the objective function part with a two stage formulation in which design variables d must be fixed before values of the uncertain parameters are known but operating variables xo may be chosen with knowledge of the values of the uncertain parameters ... [Pg.504]

Processing costs Part functionality Part life... [Pg.42]

Alterative. Alteratives increase blood flow to the tissues, improving metabolism and detoxification. Elder s alterative action helps to improve many skin afflictions including boils, eczema, acne and erysipelas. Elder improves the secretions involved with many bodily functions. Parts used flowers, berries, young shoots. [Pg.26]

Chia We have looked at the potential phosphorylation sites of Insc, and this is the only apical complex component for which the functional domain has been defined. All the putative Cdc2 phosphorylation sites lie outside the region required for function (at least using an over-expression paradigm). For the other two known components, Baz and Pins, we don t know which the functional parts of the molecule are. It seems more appealing to think in terms of effects on the cytoskeleton, and in particular actin. [Pg.153]

I agree with Brandon (1996, Chapter 11), however, that mechanisms need not be lower-level spatial parts of entities. They may be higher-level functional parts, or contexts, which are parts of the systems which contain the entities in question. Thus, mechanisms may be at higher spatial levels rather than at, or in addition to, lower levels. [Pg.218]

The membrane establishes in and out. The membrane is asymmetric because the inner and outer leaflets can have a different lipid composition and contain different proteins (Fig. 3-3). Proteins can be associated with either side of the membrane, or they can pass through the membrane using membrane-spanning segments. The functional part of the protein can be on the cytosolic side, the external side, or even in the membrane itself. A common structure for spanning a membrane is an a-helix (but there are examples of sheets spanning a membrane). It takes about 20 amino acid residues arranged in a helix to span to a 30 A hydrophobic interior of the bilayer. [Pg.38]

The structures of the vitamins and cofactors shown in this table are not complete structures. Only the functional parts of the molecules are shown. [Pg.298]

Hafiez, A.A., Z.H.M. El-Kirdassy, N.M. El-Malkh, and E.M.I. El-Zayat. 1990. Role of zinc in regulating the testicular function. Part 3. Histopathological changes induced by dietary zinc deficiency in testes of male albino rats. Die Nahrung 34 65-73... [Pg.732]

Cleghorn LAT, Cooper IR, Fishwick CWG, Grigg R, MacLachlan WS, Rasparini M, Sridharan V (2003a) Three-component bimetallic (Pd/In) mediated cascade allylation of C=X functionality Part 1. Scope and class 1 examples with aldehydes and ketones. J Qrganomet Chem 687 483-493... [Pg.95]

In this approach accident cases and design recommendations can be analysed level by level. In the database the knowledge of known processes is divided into categories of process, subprocess, system, subsystem, equipment and detail (Fig. 6). Process is an independent processing unit (e.g. hydrogenation unit). Subprocess is an independent part of a process such as reactor or separation section. System is an independent part of a subprocess such as a distillation column with its all auxiliary systems. Subsystem is a functional part of a system such as a reactor heat recovery system or a column overhead system including their control systems. Equipment is an unit operation or an unit process such as a heat exchanger, a reactor or a distillation column. Detail is an item in a pipe or a piece of equipment (e.g. a tray in a column, a control valve in a pipe). [Pg.89]

S. R. Arridge. Photon measurement density functions, part 1 Analytical forms. Applied Optics, 34 7395-7409, 1995. [Pg.364]

Polymer Melts Coherent Scattering and van Hove Correlation Functions. Part I Dynamics in the p-Relaxation Regime. [Pg.63]

However, one of the terms in the vibrational partition function part of Q is different in character from the rest because it corresponds to a very loose vibration that allows the complex to dissociate into products. The complete vibrational partition function is written as... [Pg.49]

Heater and air conditioner control system components, functional parts in the heating, ventilation and coolant sectors. .. [Pg.90]


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See also in sourсe #XX -- [ Pg.12 , Pg.14 ]




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