Information om | Engelska ordet CRITICALITY

Exempel på hur man kan använda CRITICALITY i en mening

• A meltdown may be caused by a loss of coolant, loss of coolant pressure, or low coolant flow rate or be the result of a criticality excursion in which the reactor is operated at a power level that exceeds its design limits.
• Extracting the rods to a calculated height allows the reactor to reach criticality, the point at which the nuclear fission reactions reach a self-sustaining level.
• In physics instantons are particularly important because the condensation of instantons (and noise-induced anti-instantons) is believed to be the explanation of the noise-induced chaotic phase known as self-organized criticality.
• The inspector general of the Department of Homeland Security (DHS) found that the list of terrorist target sites contained in the DHS "National Asset Database", the sites that are supposed to receive extra security in response to heightened terror alerts, included many sites “whose criticality is not readily apparent” and should not be included on the list.
• A subsequent scandal involving a cover-up of the scope of the accident delayed its restart until May 6, 2010, with renewed criticality reached on May 8, 2010.
• The Abelian sandpile model, the first discovered example of a dynamical system displaying self-organized criticality, is published by Per Bak, Chao Tang and Kurt Wiesenfeld.
• Physics models that have been applied in economics include the kinetic theory of gas (called the kinetic exchange models of markets), percolation models, chaotic models developed to study cardiac arrest, and models with self-organizing criticality as well as other models developed for earthquake prediction.
• In 2011, URS was involved in a criticality accident that nearly caused an uncontrollable nuclear reaction after mishandling plutonium.
• Self-organized criticality (SOC) is a property of dynamical systems that have a critical point as an attractor.
• Where fissile materials are handled in civil and military installations, specially trained personnel are employed to carry out such calculations and ensure that all reasonably practicable measures are used to prevent criticality accidents, during both planned normal operations and any potential process upset conditions that cannot be dismissed on the basis of negligible likelihoods (reasonably foreseeable accidents).
• If the organic layer was to acquire too much metal then a solid metal complex might form, or more worryingly in a nuclear process the potential for a criticality accident if the fissile metal concentration in the organic phase becomes too high.
• Some cosmologists agreed with Dicke that the flatness problem was a serious one, in need of a fundamental reason for the closeness of the density to criticality.
• Nuclear criticality safety, the prevention of nuclear and radiation accidents resulting from an inadvertent, self-sustaining nuclear chain reaction.
• Specific areas of application include, but are not limited to, radiation protection and dosimetry, radiation shielding, radiography, medical physics, nuclear criticality safety, detector design and analysis, nuclear oil well logging, accelerator target design, fission and fusion reactor design, decontamination and decommissioning.
• Pakhomov and Dubasov argued that there was no delayed supercritical increase in power but a runaway prompt criticality, similar to the explosion of a fizzled nuclear weapon.
• The HKB model, which has also been elucidated by several complex mathematical descriptors, is still a relatively simple but powerful way to describe seemingly-independent systems that come to reach synchrony just before a state of self-organized criticality.
• Potential operational impacts and service-level requirements are then reflected in the asset's criticality attributes and criticality index in the CIP program.
• For example, while one of a set of collocated MSL OS may be configured to affix the character string "SECRET" to all output, that OS has no understanding of how the data compares in sensitivity and criticality to the data processed by its peer OS that affixes the string "UNCLASSIFIED" to all of its output.
• It was the evolutionary self-organised criticality model by Bak and Sneppen and the observation of critical points in combinatorial optimisation problems that lead to the development of Extremal Optimization by Stefan Boettcher and Allon Percus.
• Five years after the Ultima incident, the Rumor eventually reveals his ultimate role as multiversal "criticality adjuster", applying slight adjustments to pivotal moments to effect a positive outcome.

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