Allergic rhinitis is characterized by repetitive and predictable symptoms that include episodes of repetitive sneezing, rhinorrhea, postnasal drip, nasal congestion, loss of smell, headaches, earache, tearing, red, itchy eyes, eye swelling, fatigue, drowsiness, and malaise.2,4. Pharmacologic Therapy.
A simple shear deformation is defined as an isochoric plane deformation in which there is a set of line elements with a given reference orientation that do not change length and orientation during the deformation.If is the fixed reference orientation in which line elements do not deform during the deformation then and.eformation implies the change in shape and/or size of the body from an initial or undeformed configuration to a current or deformed configuration (Figure 1). If after a displacement of the continuum there is a relative displacement between particles, a deformation has occurred.
Structural Isomer Definition. Structural isomers are isomers that have the same component atoms but arranged differently from each other. Structural isomerism is also known as constitutional isomerism. Contrast this with stereoisomerism, where isomers have the same atoms in the same order and with the same bonds, but oriented differently in three-dimensional space. Types of Structural Isomers. There are three categories of structural isomers: 1  Skeletal Isomerism (also called Chain Isomerism) - structural isomers in which components of the skeleton are arranged in a different order. This is most commonly seen when the skeleton or backbone consists of a carbon chain.