In PWRs - a different LWR system - control rods are withdrawn from the core, and the control is acheived with soluble B-10 in the coolant (which is buffered with LiOH) to maintain a pH above 6.9 or perhaps closer to 7.1 -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.
Organizational patterns are structures of relationship, usually in a professional organization, that help the organization achieve its goals.rganizational patterns are inspired in large part by the principles of the software pattern community, that in turn takes it cues from Christopher Alexander 's work on patterns of the built world.