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Operations OP

ISSUE TITLE Intentional bypassing of automatic actuation of plant protective features (OP 1) ISSUE CLARIFICATION  [Pg.296]

Nuclear power plants include engineered safety features (ESF) that initiate automatically to perform required safety functions. These safety systems allow also for operator intervention and control during operating events. Once the operator intervenes and takes manual control, many ESFs will not automatically re-initiate until the ESF is restored to a standby configuration with the actuation logic reset or rearmed. [Pg.296]

Inappropriate defeat or bypass of ESFs during events is of interest because the operator may not be able to recover from such events in complex, stressful situations. Rapid recovery from ESF defeats may be necessary in order to prevent serious degradation of plant conditions that could lead to serious safety [Pg.296]

This aspect is emphasized in operator training. A special register kept in the control room. Needs approval of the station management for bypassing protective features. [Pg.296]

The NRC issued an information notice to alert licensees to the importance of having formal criteria and training regarding limitations on bypassing plant protective features. [Pg.296]


In solving the eigenvalue problem for the energy operator //op, we have previously always introduced a complete basic set Wlt in which the eigenfunction has been expanded ... [Pg.288]

The 80-bp right operator. Op, can be subdivided into three discrete, evenly spaced, 17-bp cis-active DNA elements that represent the binding sites for either of two bacteriophage A, regulatory proteins. Impor-... [Pg.379]

Operations Op can be seen as operators that can take on a logical integer, analytic (static or dynamic), or hybrid form. With each operation we have associated an integer-valued variable, aj t), which determines the discrete state that the operator takes on with time. [Pg.41]

Other practices which tend to underestimate the true detection limits and add confusion to the uniform evaluation of results by the public include varied (or no) treatment of interference, avoidance of systematic error bound estimation, and consideration of Poisson counting errors only. A further problem which has emerged with the prevalence of microprocessors and proprietary computer software, is the effect of hidden algorithms and inaccessible source code, so that data evaluation operations (Op) are not known to the user, and possible source code deficiences and blunders cannot be readily assessed. [Pg.57]

The theoretical expression for the transition probability will be evaluated for the simplest one of these Auger transitions, K-LjLj 1St0. The transition operator Op of equ. (3.3) connects the wavefunctions of the initial and final states, JjMj) and km -)> given by... [Pg.81]

An operator Op is assumed to cause a transition from a state with angular momentum Jj and magnetic quantum number Mt to a state with quantum numbers JtMt. The ensemble is assumed to be randomly oriented in the initial state, and no observation with respect to the quantum number Mf is made in the final state. Under these conditions the transition rate P can be calculated from... [Pg.340]

The two matrices and <%> are easy to assess, but they refer to different properties of the ensemble related to the initial and final states, respectively. The link between the states can be established following two rules. First, the transition operator Op transforms the density matrix density matrix according to... [Pg.341]

The operators Op, and Op2 are used in the reduced matrix elements where, however, their tensor character without components fi has to be understood. Op, is a tensor of rank 1, Op2 a tensor of rank 0. [Pg.345]

Higher terms, biquadratic in the spin operators opS, also can occur.18 Spin-spin anisotropic interactions of the type D [S S2] are known for electrons,19 where D is a parameter vector this expression is the antisymmetric part of the most general bilinear spin-spin interaction. Observation of a field-induced magnetization in SrCu2(B03)2 via 11B NMR has revealed the presence of such an interaction therein.20... [Pg.6]

It appears that the three-space basis associated with each spin vector operator is arbitrary. Thus operator opS (and/or opI) need not necessarily be taken as quantized along some obvious physical direction, such as that of an applied magnetic field B. In other words, spin operators opS and opI need not be expressed in the same space, that is to be quantized along the same spatial directions (i.e. the spin projection quantum numbers may be measured along different selected directions in our three-space). The most general case, which occurs when the two quantization axes are not aligned, prevents the parameter matrices from being tensors. [Pg.28]

The annihilation operator Op is simply the Hermitian conjugate of the creation operator at. An equivalent perspective on Eq. [14], therefore, is the annihilation operator Up acting to the left on the bra state, (OqI, to give... [Pg.39]

Hoyle JC. Fitness-for-duly programs. Fed Reg 1988 54 24468-508. (http //www.nrc.gov/reactors/ operating/ops-experience/fitness-for-duty-programs/ history.html)... [Pg.1359]

Table 14-7. Typical Operations op Paraffin-Olepin Alkylation Processes ... Table 14-7. Typical Operations op Paraffin-Olepin Alkylation Processes ...
The three components of the rotational tensor linear order. These symmetry strains are shown in fig. 4. p = corresponds to the fully symmetric volume strain. Deformations of the local environment lead to deformations of the 4f-charge cloud, microscopically one therefore has a coupling of strains to multipolar operators Op of the 4f shell. These are polynomials in J, and of degree 1 = 2, 4 and 6 which again transform as irreducible point-group representations. In the cubic case the quadrupolar (/ = 2) operators are ... [Pg.236]

Fig. 59. (a) The Dyson equation [eq. (AlO)] for the phonon propagator, (b) The RPA approximation for the quadrupolar susceptibility with respect to the quadrupolar interaction Kp, see eq. (A7). Circles represent the quadrupolar operators Op. [Pg.331]

The translation produces one concurrent signal assignment for each node d the CIXGL For exanq>le, for operator OP with inputs INI and IN2 and output OUT, the following line of VHDL code will be generated ... [Pg.284]

The partitioning is based on the mobility P op) of operations, which is limited through ASAP- and ALAP-scheduling. A probability p(op,t) can be associated with each operation, indicating the probability that operation op will finally be found in clock cycle t If an operation op has, for example, the mobility P op) = 3 then it is assumed that it will be finally scheduled with a probability of p op,t) = I into clock cycle t, ASAP op) < t < ALAP op). To estimate the distribution of all hardware resources, the probability of a single operation type can be summed up within a clock cycle to derive the so-called distribution graph D ... [Pg.182]

An energy dissipation, which allows work to be done, has to be coupled, for instance, with the transformation of the system from state Ao to state Ai. The process able to perform this transformation is an example of operator (Op), a rule of action on a given function. If we express it in the form Ai = (Op) Ao, the complete transformation process is... [Pg.142]

The space of electronic operators Op is naturally decomposed into subspaces, conforming to irreducible representations of a symmetry group of the Brillouin zone center and having the corresponding tensors i/(r,). To calculate the quantities (142), the parameters of an electron-deformation interaction (eq. 19) are necessary besides only coupling constants with odd optical vibrations are necessary, if acoustic vibrations are considered in the long-wave approximation. Parameters 5/(l 7g(u)) are linear combinations of 5 (f ) (eq. 112) with coefficients defining the expansion of the... [Pg.352]

These limits ve the minimum velocities necessary for plug flow operation. Op-oation at lower Reynolik numbers can be expected to re ilt in a radial profile of velocities in the reactor, wifii the result fiiat the time oftransit of incronents of reactant varies al(Mig the radius of die reactor ctoss section. This in turn means diat a sample of efSuait fi om the reacbs contains incronents widi difi mt dansit times vdiose average transit time is the mndnal space time for diat run. [Pg.11]

The effects of pulses with phases other than the four transverse conventional ones (x, y, -X, -y) can be calculated by using the matrix given in (2.6.11). Alternatively, the rotation operator Op) can be written in the form [5] ... [Pg.51]

Only lifetimes are stored in the SSIM. They is attached as a bit vector to each control flow node, where each bit represents one value. A value being alive at an operation op indicates that it used as an input to op or to any succeeding operation. In figure 2, for example, the value (5,pc) is alive in operations 6, 7, 8, 9, while the value (lOpc) is alive in operations 1, 2, 3, 4, 6, 7, 8, 9. [Pg.84]

A(op) m the number of functional units which can implement the operation op and are available. A(op) is called the availability of operation op. [Pg.90]

Sort the operations op mp m increasing order of A (op). Operations with equal A (op) keep their relative order in the CFG. [Pg.90]


See other pages where Operations OP is mentioned: [Pg.379]    [Pg.54]    [Pg.391]    [Pg.296]    [Pg.37]    [Pg.293]    [Pg.39]    [Pg.343]    [Pg.345]    [Pg.343]    [Pg.344]    [Pg.84]    [Pg.27]    [Pg.403]    [Pg.301]    [Pg.308]    [Pg.352]    [Pg.62]    [Pg.296]    [Pg.301]    [Pg.89]    [Pg.93]   


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Operation planning S OP)

Sales and operations planning S OP)

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