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Efficiency statements

Statements a), b) and c) are applicable to class 2 metabcdites. Since is a measure of growth efficiency, statement d) is the converse of statement b) and is therefore not applicable. [Pg.382]

The Correlated Observation of the Narrowing of the Transition Zone on Becoming More Oil-like Gives Rise to the Efficiency Statement of Axiom 5... [Pg.167]

In recent years so-called evidence-based medicine has been used as a practical tool to assess the clinical efficacy of medicines and medical devices. With compression products, evidence-based compression therapy serves as a quality control procedure and helps to dehver the efficiency statements which service providers require for payment for the accordant therapy services. In practice, compression products should be subjected to appraisal by randomized and monitored studies which investigate the compression therapy process and produce proof of effectiveness. An important objective of this investigation is the resulting contact pressure following the application of the compression product. Attempts should be made to carry out direct in vivo determination of the compression pressure or the chronological pressure profile on patients. [Pg.121]

No single method or algorithm of optimization exists that can be apphed efficiently to all problems. The method chosen for any particular case will depend primarily on (I) the character of the objective function, (2) the nature of the constraints, and (3) the number of independent and dependent variables. Table 8-6 summarizes the six general steps for the analysis and solution of optimization problems (Edgar and Himmelblau, Optimization of Chemical Processes, McGraw-HiU, New York, 1988). You do not have to follow the cited order exac tly, but vou should cover all of the steps eventually. Shortcuts in the procedure are allowable, and the easy steps can be performed first. Steps I, 2, and 3 deal with the mathematical definition of the problem ideutificatiou of variables and specification of the objective function and statement of the constraints. If the process to be optimized is very complex, it may be necessaiy to reformulate the problem so that it can be solved with reasonable effort. Later in this section, we discuss the development of mathematical models for the process and the objec tive function (the economic model). [Pg.742]

Income Statement Income statements range from the veiy simple presentation shown in Table 9-16 to the more informative and more complex presentation shown in Table 9-20. The income statement shows the revenue and the corresponding expenses that were incurred to earn that revenue over a period of time. It is the most obvious measure of the efficiency of a business. Although pubhshed income statements are normally for I-year periods, many companies use monthly income statements for internal purposes. [Pg.839]

Bubble Policy The bubble concept introduced under PSD provisions of the Clean Air Act Amendments of 1977 was formally proposed as EPA policy on Jan. 18, 1979, the final policy statement being issued on Dec. 11, 1979. The bubble pohcy allows a company to find the most efficient way to control a plant s emissions as a whole rather than by meeting individual point-source requirements. If it is found less expensive to tighten control of a pollutant at one point and relax controls at another, this woiild be possible as long as the total pollution from the plant woiild not exceed the sum of the current hmits on individual point sources of pollution in the plant. Properly apphed, this approach would promote greater economic efficiency and increased technological innovation. [Pg.2158]

The Duns Financial Records Plus (DFR) database provides a balance sheet, income statement, and fourteen of the more widely used business ratios for measuring solvency, efficiency, and profitability. DFR also provides industiy norms and percentages that can be used to compare a toller s financial position to that of their... [Pg.25]

Properties such as low permanent set, low creep and low hysteresis are really measures of the efficiency of the heat fugitive network system. This is a complex function of the morphology. As a very general statement, the problem would seem to be less important with the harder grades of thermoplastic elastomer. [Pg.877]

It has been emphasised in the earlier chapters that the thermal efficiency of the gas turbine increases with its maximum nominal temperature, which was denoted as T. Within limits this statement is true for all gas turbine-based cycles and can be sustained, although not indefinitely, as long as the optimum pressure ratio is selected for any value of Ty, further the specific power increases with T. However, in practice higher maximum temperature requires improved combustion technology, particularly if an increase in harmful emissions such as NO is to be avoided. [Pg.47]

The Clausius and Kelvin-Planck statements and the Carnot principle reflect a historical interest in increasing the efficiency of engines. While the... [Pg.57]

As we have seen, statements of the laws in terms of the conversion of heat into work in a cyclic engine are equivalent to the statements involving energy and entropy. The conversion from one to the other is not always obvious, but the relationships predicting the efficiency of the conversion of heat into work can be derived from the U and S statements. [Pg.94]

The statement made by Martin in 1941 contains all the necessary conditions to realize both the high efficiencies and high resolution achieved by modern LC columns. Despite his recommendations, however, it has taken nearly fifty years to bring his concepts to fruition. In the same paper Martin and Synge suggested that it would be advantageous to replace the liquid mobile phase by a gas to improve the rate of transfer between the phases and thus, enhance the separation. The recommendation was not heeded and it was left to James and Martin (5) to bring the concept to practical reality in the... [Pg.3]

The preceding set of characteristics and properties of the estimators makes our type of mapping procedures, /, particularly appealing for the kinds of systems that we are especially interested to study, i.e., manufacturing systems where considerable amounts of data records are available, with poorly understood behavior, and for which neither accurate first-principles quantitative models exist nor adequate functional form choices for empirical models can be made a priori. In other situations and application contexts that are substantially different from the above, while much can still be gained by adopting the same problem statements, solution formats and performance criteria, other mapping and search procedures (statistical, optimization theory) may be more efficient. [Pg.109]

Degree of Precision Required. A statement of the required precision of the results from the sampling effort for each characteristic of Interest is needed to allocate sampling and testing resources efficiently. As previously discussed, the form of these statements will depend on the objective and type of characteristics. The users of the study results must make these determinations. Statistical methods to evaluate tradeoffs and alternatives may be useful in assisting the study administrators in this effort. [Pg.81]

Rules seemingly have the same format as IF.. THEN.. statements in any other conventional computer language. The major difference is that the latter statements are constructed to be executed sequentially and always in the same order, whereas expert system rules are meant as little independent pieces of knowledge. It is the task of the inference engine to recognize the applicable rules. This may be different in different situations. There is no preset order in which the rules must be executed. Clarity of the rule base is an essential characteristic because it must be possible to control and follow the system on reasoning errors. The structuring of rules into rule sets favours comprehensibility and allows a more efficient consultation of the system. Because of the natural resemblance to real expertise, rule-based expert systems are the most popular. Many of the earlier developed systems are pure rule-based systems. [Pg.632]

Most often studies will be accepted by regulatory authorities even if they do not contain all information. For example, a summary, the scope, a separate notice regarding the residue definition or a schematic diagram of the analytical procedure are helpful and may avoid additional questions, but they are not essential. Also, detailed specification of standard glassware or chemicals commonly used in residue analysis is less important. Finally, data about extraction efficiency or analyte stability can be offered in separate studies or statements, which are also valid for other methods. However, each method must precisely describe at the minimum ... [Pg.101]

Consequently, separate experiments for the determination of extraction efficiency are often not required. An expert statement based on the results of metabolism studies is sufficient in most cases. These statements should also refer to the extraction solvent used for the analysis of samples of supervised trials. Residue levels found in these trials are the criterion for GAP and the basis for the setting of MRLs. Even if a solvent with insufficient extraction efficiency is used for samples from supervised trials, the later choice of better solvents would not result in lower safety for the consumer. [Pg.110]

The last-mentioned line intersects the metal oxide line at a lower temperature than the line corresponding to the formation of carbon monoxide at 1 atm. It is, therefore, clear that the minimum temperature required for the carbothermic reduction of the metal oxide under vacuum is less than the minimum temperature for the same reaction at atmospheric pressure. Thus, by increasing the temperature and decreasing the pressure of carbon monoxide, it may be possible to reduce carbothermically virtually all the oxides. This possibility has been summarized by Kruger in the statement that at about 1750 °C and at a carbon monoxide pressure below 1CT3 atm, carbon is the most efficient reducing agent for oxides. [Pg.363]

In this proposal, a manufacturer could also have the option of using a third party to assess conformance with the recognized standard. The third party could perform an assessment of conformance with the standard and provide the manufacturer with a statement to this effect, and the S10(k) application could then include the statement as well as summary on declaration of conformity. The abbreviated 510(k) submissions may compete with routine 510(k)s, and it is anticipated that their review and processing will be more efficient and timely than those of routine (traditional) submissions, which tend to be intensively data driven (Fig. 2). [Pg.182]


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See also in sourсe #XX -- [ Pg.155 , Pg.156 , Pg.157 ]




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