In PWRs - a different LWR system - control rods are withdrawn from the core, and the control is acheived with soluble B-10 in the coolant (which is buffered with LiOH) to maintain a pH above 6.9 or perhaps closer to 7.1 - 7.4 for purposes of minimizing the accumulation of crud (metal corrosion products) on the fuel.
Rhetorical patterns have an additional function of helping writers to organize information in ways their readers can understand easily (425). Another term for these patterns is topoi (commonplaces). Many of these topoi are useful in numerous situations.
Rhetoric is the art of communication with an audience. For writers, rhetoric means that the writer tries to communicate with the readers using literary devices and compositional techniques.There are many modes of rhetorical writing. The four most common modes are description, definition, narration, and argumentation.hetoric in writing refers to ways of communicating to readers-maybe through persuasion or visual impression. Though there are several modes of rhetoric, the four most common are description, definition, narrative, and argumentation.