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Operating procedures operations

Reference Procedures used to supplement main operating procedures. Operator selects wrong one or forgets to use reference procedures, etc. [Pg.135]

Document Chemical Reactivity Risks and Management Decisions Process Knowledge and Documentation Process Risk Management Process Safety Information Process Hazard Analysis Operating Procedures Operational Control... [Pg.36]

Operational Procedures operator commands, override control, process monitoring, parameter modification, load scheduling, startup and shutdown, fault-finding instructions, user manuals and documentation... [Pg.208]

Operating procedures should specify a clear "entry" into an EOP. The EOPs should identify a clear "exit" to operating procedures. Operating procedures may include steps or sections which send the user to an EOP if certain defined conditions exist. Likewise, conditions that may require invoking the Emergency Response Plan may be included in the Emergency Operating Procedures. (This point is discussed in detail in Section 6.8.)... [Pg.82]

Instrument loops, including alarm settings and interlock logic Operating procedures Operator training records Preventive maintenance procedures Isolation valve list Electrical one-line diagrams Blind lists Inventory levels Relief valve information. [Pg.444]

Operating procedures Operator intervention Basic process control systems (BPCS)... [Pg.657]

Examination of all relevant operating procedures, operating and workplace conditions of plant and personnel (including the occurrence of malfunctions and equipment failures) in order to prevent unnecessary occupational hazards. [Pg.191]

Many variables can affect shear-knife performance and, ultimately, the quality of the finished product. By establishing and documenting correct work practices and operating procedures, operators can overcome these variables. [Pg.240]

Same or similar hardware Hardware design System design Hardware quality deficiency Same or similar operational conditions Testing and maintenance schedule Testing and maintenance procedure Testing and maintenance staff Operation procedure Operational staff... [Pg.487]

For the operation related information, concepts for operating procedures, operating conditions, and parameters are necessary. The hierarchical level of ISA-S88.01 standard (ANSI/ISA-S88.01, 1995), which decomposes a process into different levels, namely procedure, unit procedure, operation, and phase, has been followed in this work. To specify a piece of operating procedure, parameters and operating conditions are needed. Definition of process chemistry is straightforward and can be divided into reaction and... [Pg.342]

Trilene A trade name for trichloroethylene when used as an anaesthetic. It is given by inhalation for short operative procedures. [Pg.405]

The experimental conditions used to determine the CFPP do not exactly reflect those observed in vehicles the differences are due to the spaces in the filter mesh which are much larger in the laboratory filter, the back-pressure and the cooling rate. Also, research is continuing on procedures that are more representative of the actual behavior of diesel fuel in a vehicle and which correlate better with the temperature said to be operability , the threshold value for the Incident. In 1993, the CEN looked at two new methods, one called SFPP proposed by Exxon Chemicals (David et al., 1993), the other called AGELFI and recommended by Agip, Elf and Fina (Hamon et al., 1993). [Pg.215]

The standards for tests, which are cited in reference to the standards for characteristics. In order for a client and his supplier to compare their results during a commercial transaction, it is important that their laboratories rigorously follow the same operating procedures. The procedures are thus precisely defined in the standards. [Pg.294]

Design procedures are developed with the intention of improving the safety of equipment. Tools used in this step are hazard and operability studies and quantitative risk analysis (ORA). The following scheme may be used ... [Pg.69]

The basic condition of the Standard application - the availability of stable coupled probabilistic or the multiple probabilistic relations between then controlled quality indexes and magnetic characteristics of steel. All the probabilistic estimates, used in the Standard, are applied at confidence level not less than 0,95. General requirements to the means of control and procedure of its performance are also stipulated. Engineers of standard development endeavoured take into consideration the existed practice of technical control performance and test at the enterprises that is why the preparation of object control for the performance of nondestructive test can be done during the process of ordinary acceptance test. It is suggested that every enterprise is operated in correspondence with direct and non-destructive tests, obtained exactly at it, for detailed process chart and definite product type, however the tests have long since been performed after development of the Standard displayed that process gives way to unification. [Pg.25]

In the near future the technique will be further evaluated using ultrasonic signals from natural defects, e.g., fatigue cracks. The performance measure and the parameter optimization procedure wilt also be refined in order to obtain a computationally efficient implementation, easy to use for a trained operator. [Pg.95]

In this figure the next definitions are used A - projection operator, B - pseudo-inverse operator for the image parameters a,( ), C - empirical posterior restoration of the FDD function w(a, ), E - optimal estimator. The projection operator A is non-observable due to the Kalman criteria [10] which is the main singularity for this problem. This leads to use the two step estimation procedure. First, the pseudo-inverse operator B has to be found among the regularization techniques in the class of linear filters. In the second step the optimal estimation d (n) for the pseudo-inverse image parameters d,(n) has to be done in the presence of transformed noise j(n). [Pg.122]

RDIPE, VNIIAES. Procedure for Allowable Flaw Sizes Evaluation in Metal of Equipment and Piping during NPP Operation, M-02-91, (in Russian). [Pg.197]

In non-destructive testing, there are almost as many procedures, needs or uses as users it is therefore important to be able to quickly modify the instrument in order to answer a new request. This new architecture is meant for such operations. [Pg.282]

Software base complexes are used for this purpose, which realize analytical restoration algorithms and various procedures of tomograms processing Program complexes ensure the control of a measuring process and dialoguing with the operator. [Pg.598]

These systems have been operated in extremely low quality (and radioactivity contaminated) industrial environments for the past several years without any major equipment or component failures. Utilizing specialized operating/warm-up procedures, they have operated in low grade, out-of-doors, dust ridden, rain-soaked, industrial environments at temperature ranges which greatly exceed the original equipment manufacturers (OEM) specified limits. The systems have been successfully operated at ambient temperatures of minus 10 to plus 103 degrees Fahrenheit without any pre-mature or un-anticipated equipment failures. [Pg.612]

The following work of drilling the final holes for the injection and ventilation was carried out by manual labours according to the orders described above. The owner returned a positive result for this operation, especially the orientation of the ducts in the building being ab.solutly vertical, henceforth the proposed procedure succeeded. [Pg.757]

In any experiment, tlie probability of observing a particular non-degenerate value for the system property A can be detemiined by the following procedure. First, expand the wavefiinction in temis of the complete set of nomialized eigenfimctions of the qiiantmn-niechanical operator,... [Pg.9]

Even Hartree-Fock calculations are diflTicult and expensive to apply to large molecules. As a result, fiirther simplifications are often made. Parts of the Fock operator are ignored or replaced by parameters chosen by some sort of statistical procedure to account, in an average way, for the known properties of selected... [Pg.33]

It is impossible by any procedure, no matter how idealized, to reduce the temperature of any. system, to the absolute zero of temperature in a finite number of operations. [Pg.371]

We now turn to electronic selection rules for syimnetrical nonlinear molecules. The procedure here is to examme the structure of a molecule to detennine what synnnetry operations exist which will leave the molecular framework in an equivalent configuration. Then one looks at the various possible point groups to see what group would consist of those particular operations. The character table for that group will then pennit one to classify electronic states by symmetry and to work out the selection rules. Character tables for all relevant groups can be found in many books on spectroscopy or group theory. Ftere we will only pick one very sunple point group called 2 and look at some simple examples to illustrate the method. [Pg.1135]

The selection of the operating principle and the design of the calorimeter depends upon the nature of the process to be studied and on the experimental procedures required. Flowever, the type of calorimeter necessary to study a particular process is not unique and can depend upon subjective factors such as teclmical restrictions, resources, traditions of the laboratory and the inclinations of the researcher. [Pg.1903]

However, this procedure depends on the existence of the matrix G(R) (or of any pure gauge) that predicates the expansion in Eq. (90) for a full electronic set. Operationally, this means the preselection of a full electionic set in Eq. (129). When the preselection is only to a partial, truncated electronic set, then the relaxation to the truncated nuclear set in Eq. (128) will not be complete. Instead, the now tmncated set in Eq. (128) will be subject to a YM force F. It is not our concern to fully describe the dynamics of the truncated set under a YM field, except to say (as we have already done above) that it is the expression of the residual interaction of the electronic system on the nuclear motion. [Pg.157]

A number of procedures have been proposed to map a wave function onto a function that has the form of a phase-space distribution. Of these, the oldest and best known is the Wigner function [137,138]. (See [139] for an exposition using Louiville space.) For a review of this, and other distributions, see [140]. The quantum mechanical density matrix is a matrix representation of the density operator... [Pg.270]

Because of difficulties in calculating the non-adiabatic conpling terms, this method did not become very popular. Nevertheless, this approach, was employed extensively in particular to simulate spectroscopic measurements, with a modification introduced by Macias and Riera [47,48]. They suggested looking for a symmetric operator that behaves violently at the vicinity of the conical intersection and use it, instead of the non-adiabatic coupling term, as the integrand to calculate the adiabatic-to-diabatic transformation. Consequently, a series of operators such as the electronic dipole moment operator, the transition dipole moment operator, the quadrupole moment operator, and so on, were employed for this purpose [49,52,53,105]. However, it has to be emphasized that immaterial to the success of this approach, it is still an ad hoc procedure. [Pg.677]

This procedure is then repeated after each time step. Comparison with Eq. (2) shows that the result is the velocity Verlet integrator and we have thus derived it from a split-operator technique which is not the way that it was originally derived. A simple interchange of the Ly and L2 operators yields an entirely equivalent integrator. [Pg.302]

Redundant, isomorphic structures have to be eliminated by the computer before it produces a result. The determination of whether structures are isomorphic or not stems from a mathematical operation called permutation the structures are isomorphic if they can be interconverted by permutation (Eq. (6) see Section 2.8.7). The permutation P3 is identical to P2 if a mathematical operation (P ) is applied. This procedure is described in the example using atom 4 of P3 (compare Figure 2-40, third line). In permutation P3 atom 4 takes the place of atom 5 of the reference structure but place 5 in P2. To replace atom 4 in P2 at position 5, both have to be interchanged, which is expressed by writing the number 4 at the position of 5 in P. Applying this to all the other substituents, the result is a new permutation P which is identical to P]. [Pg.58]


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See also in sourсe #XX -- [ Pg.325 , Pg.326 , Pg.327 , Pg.328 ]

See also in sourсe #XX -- [ Pg.325 , Pg.326 ]




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