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L. M. Kachanov [5] and Y. N. Rabotnov [6] suggested the following evolution equations for the creep strain ε and a lumped damage state variable ω: ˙ = ˙ ˙ = ˙ where ˙ is the creep strain rate, ˙ is the creep-rate multiplier, is the applied stress, is the creep stress exponent of the material of interest, ˙ is the rate of damage accumulation, ˙ is the damage-rate multiplier, and is ...
Injury in animals is sometimes defined as mechanical damage to anatomical structure, [1] but it has a wider connotation of physical damage with any cause, including drowning, burns, and poisoning. [2] Such damage may result from attempted predation, territorial fights, falls, and abiotic factors. [2]
Major trauma is a severe traumatic injury that has the potential to cause disability or death. Serious traumatic injury most often occurs as a result of traffic collisions. [11] Traumatic injury is the leading cause of death in people under the age of 45. [12] Blunt trauma injuries are caused by the forceful impact of an external object.
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Focal and diffuse brain injury are ways to classify brain injury: focal injury occurs in a specific location, while diffuse injury occurs over a more widespread area. It is common for both focal and diffuse damage to occur as a result of the same event; many traumatic brain injuries have aspects of both focal and diffuse injury. [ 1 ]
Forms of matter that are not composed of molecules and are organized by different forces can also be considered different states of matter. Superfluids (like Fermionic condensate) and the quark–gluon plasma are examples. In a chemical equation, the state of matter of the chemicals may be shown as (s) for solid, (l) for liquid, and (g) for gas.
Regeneration after axonal injury may occur. In cellular neuroscience , chromatolysis is the dissolution of the Nissl bodies in the cell body of a neuron . It is an induced response of the cell usually triggered by axotomy , ischemia , toxicity to the cell, cell exhaustion, virus infections , and hibernation in lower vertebrates.
This series came from a determination to understand why, and to explore how their way back from war can be smoothed. Moral injury is a relatively new concept that seems to describe what many feel: a sense that their fundamental understanding of right and wrong has been violated, and the grief, numbness or guilt that often ensues.