Analysis of the Operation

The client s personnel who had close involvement in the toll can best determine the toller s future status. A recommendation to use the toller again can be based upon the total experience including audit results and the toller s action item follow-up. A safe, responsive, conscientious toller that met the commercial requirements of the toll contract will most likely be given consideration on future tolls. As discussed in Chapter 2, The Toller Selection Process this recommendation can ease any future selection process for both parties when the toller in question is known to be technically capable. 

Information sources that can help the team make a supportable recommendation whether to use or not use a toller again are  

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Another serious problem in heat exchangers is corrosion. Severe corrosion can and does occur in tubing and very often with common fluids such as water. Proper material selection based on a full analysis of the operating fluids, velocities and temperatures is mandatory. Very often, heavier gauge tubing is specified to offset the effects of corrosion, but this is only a partial solution. This should be followed by proper start-up, operating and shut-down procedures. 

Each of four teams for each mining operation consisting of a risk analyst and engineers and o 5erators performed the FRR. The risk analyst provided the FRR expertise and directed the analysis of the operation facility engineers and operators provided operational knowledge and estimated the likelihood of equipment failures and their impact on facility operations. 

The purpose of this report is to update the analysis of the operating experience of emergency DGs in nuclear power plants contained in NUREG/CR-2989. 

In this paper we present a meaningful analysis of the operation of a batch polymerization reactor in its final stages (i.e. high conversion levels) where MWD broadening is relatively unimportant. The ultimate objective is to minimize the residual monomer concentration as fast as possible, using the time-optimal problem formulation. Isothermal as well as nonisothermal policies are derived based on a mathematical model that also takes depropagation into account. The effect of initiator concentration, initiator half-life and activation energy on optimum temperature and time is studied. 

Acoustic Wave Analysis of the Operation of Quartz Crystal Film Thickness Monitors. 

Cybernetics. The scientific study of those methods of control and communication which are common to living organisms and machines, esp as applied to the analysis of the operations of devices such as computers Refs 1) C.L. Barnhart, ed, "The American College Dictionary , Random House, NY (1952), p 301-L 2) H.S. Tsien, "Engineering... 

Predictable Peak Exposures. Ceiling limits, as defined, should be applied only to situations where the periods of maximum exposure can be prospectively identified. If the highest exposure can be anticipated, then its measurement is a physical problem, not a statistical one. All pertinent information related to the operation should be considered so that only air samples which are likely to represent peak air concentrations are collected. Consider, for instance, exposures of workers in a chemical plant to hydrogen sulfide (a reactant in a process). If analysis of the operation shows that the highest exposure should occur when a valve is opened to vent the reaction vessel, then only this period needs to be sampled to determine the peak exposure. 

Perel, J. and Mahoney, J.F., "Analysis of the Operation of the FACS (Fast Atom Capillaritron Source)", Paper M0D4,. ASMS 13th Annual Conference on Mass Spectrometry and Allied Topics, Honolulu, HI, 6-11 June 1982. 

The design of roll presses for a given application has traditionally been based, in large part, on the experience of press manufacturers gained from many installations. During the last decade, however, a successful theoretical analysis of the operation of roll-type machines has been developed by Johan-son [13—16]. Small-scale laboratory measurements of the flow and compres-... 

Chapters I to III introduce the reader to the general problems of fuel cells. The nature and role of the electrode material which acts as a solid electrocatalyst for a specific reaction is considered in chapters IV to VI. Mechanisms of the anodic oxidation of different fuels and of the reduction of molecular oxygen are discussed in chapters VII to XII for the low-temperature fuel cells and the strong influence of chemisorhed species or oxide layers on the electrode reaction is outlined. Processes in molten carbonate fuel cells and solid electrolyte fuel cells are covered in chapters XIII and XIV. The important properties of porous electrodes and structures and models used in the mathematical analysis of the operation of these electrodes are discussed in chapters XV and XVI. 

With four possible categories of numbers and with the total fixed, there are three degrees of freedom This corresponds to a probability level of approximately 0.25 and indicates that, if all the pumps were operating under similar conditions, a chi-squared value as large as 5.4 would be expected one time in four by chance alone. Thus there is a 25 percent chance that the supervisor could be wrong in the analysis of the operation of pump 1. 

Fig. 28.2. The overall results of a meta-analysis of the operative risk of death (a) and stroke and death (b) from all studies published between 1990 and 2000 inclusive that reported risks from carotid endarterectomy for asymptomatic stenosis (Bond et ai. 2003a) compared with the same risks in the ACAS Trial (Executive Committee for the Asymptomatic Carotid Atherosclerosis Study 1995). Studies in the analysis of risk of stroke and death are...

Utilities. Los Alamos National Laboratory (LANL) has performed extensive analysis of the operating cost and energy consumption of a production size supercritical system based on actual running performance. The LANL data indicated electrical cost at. 090... 

Only recently have efforts been devoted to a detailed chemical engineering analysis of the operation and design of monolith SCR catalysts. 

J.-U. Repke, F. Fomer, A Klein, 2006, Separation of Homogeneous Azeotropic Mixtures by Pressure Swing Distillation - Analysis of the Operation Performanee, Chem. Eng. Techn., vol. 28, 1151-1557. 

Manage to risk, not to threat alone. There should be use of risk assessments that combine a broad view of adversary intent and force vulnerabilities with an analysis of the operational consequences of adversary actions and defensive countermeasures to these (passive and active), to understand the impact on accomplishing a mission and on overall campaign success. 

Depend on thorough research and analysis of the operation during the procedure development sta and a detailed review of the completed procedure by knowledgeable and responsible plant staff before approval... 

A post-war analysis of the operational use of CS declassified in 1979 could find no report of its use against non-combatants or to save civilians and concluded that the reduction in casualties has not been in enemy or non-combatant personnel but, rather, friendly troops, as a result of using CS to make other fires more effective. 57... 

Example 4 selectivity and uniformity of etching rates at a chemical vapor deposition unit that produces silicon wafers Example 5 analysis of the operation of an activated sludge wastewater treatment unit or of an entire pulp plant... 

Analysis of the operating conditions of a plant with successive switching on of the battery sets. Since the charge received by a set of battery modules of the total area equal to Sb is relatively small as compared to the total amount of electricity produced by the solar array in one light day (even for a battery of a maximum permissible area Sb ), it was of interest to investigate the operating conditions of a system whereby new sets of batteries of the same type (with the same Sb values) were successively put into operation. 

During the years 1941-1945 improvements were effected in the nitration plant by careful analysis of the operation by chemical engineering analysis. Denbigh, Bransom, and others (16, 17) worked out the behavior of the nitrator and optimized the continuous-process operating conditions. The control of the hexamine-nitric acid ratio is fundamental to the economics of the process. An output of 90 tons/week of RDX requires 405 tons of sulfuric acid to be concentrated daily in 20 Bamag pot stills since... 

The data of the experimental program and the analysis of the operating characteristics of the cold-wall vacuum chamber lead to the following conclusions ... 

Demonstrating that the level of residual risk is acceptable will always be based on a degree of subjectivity. The safety case assessment procedures recognize the limitations of the risk analysis process and the problems associated with determination that risk has been reduced to as low as is reasonably practicable. This is achieved by focusing on the analysis of the operator s methodology in undertaking the risk analysis process. 

The analysis of the operating conditions for the hydrogenation of sucrose was based on industrial conditions to obtain a conversion of approximately 90% to 65 min of reaction. 

Pozsgai, P. 2006. Realitdtsndhe Modellierung und Analyse der operative Zuverldssigkeitskennwerte technischer Sys-teme (Close-to-reality modeling and analysis of the operational reliability characteristics of technical systems). Universitaet Stuttgart PhD thesis. 

The different tasks performed by the human operator and the constraints associated with their performance depend on the type of process being controlled. Thus, the designer must analyze the operation context in which the supervisory tasks take place, and this to define the operator s informational needs. So the first step of the methodology concerns the study of the process itself, and the analysis of the operator s supervisory tasks (Fig. 2). 

We consider first Oxi tixux x-, the three-particle collision operator. H Because of the presence of the 12 operator, we are again only interested, for the generalized Boltzmann equation, in phases Xx and X2 of particles 1 and 2, where ri2 <. For these phases of particles 1 and 2, a dynamical analysis of the operator t(xi, X2IX3) similar to that given for tixxi X2) shows that the following dynamical events contribute to this collision operator. ... 

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