Modal Property
Modal may refer to: * Modal (textile), a textile made from spun cellulose fiber * Modal analysis, the study of the dynamic properties of structures under vibrational excitation * Modal bandwidth, in the discipline of telecommunications, refers to the signalling rate per distance unit * Modal haplotype, an ancestral haplotype derived from the DNA test results of a specific group of people * Modal jazz, jazz that uses musical modes rather than chord progressions as a harmonic framework * Modal logic, a type of formal logic that extends the standards of formal logic to include the elements of modality * Modal matrix, used in the diagonalization process involving eigenvalues and eigenvectors * Modal phenomena * Modal administration, used in Federal Agencies to describe sub-offices or "modes" * Modal transportation, used in transit to describe multiple modes of transit available such as bus, trolley, train, ferry * Modal score, used in testing and education for the most common score ...
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Modal (textile)
Rayon is a semi-synthetic fiber, made from natural sources of regenerated cellulose, such as wood and related agricultural products. It has the same molecular structure as cellulose. It is also called viscose. Many types and grades of viscose fibers and films exist. Some imitate the feel and texture of natural fibers such as silk, wool, cotton, and linen. The types that resemble silk are often called artificial silk. The fibre is used to make textiles for clothing and other purposes. Rayon production involves solubilizing cellulose to allow turning the fibers into required form. Three common ways to solubilize are the cuprammonium process, not in use today, using ammoniacal solutions of copper salts; the viscose process, the most common today, using alkali and carbon sulfide; and the Lyocell process, using amine oxide. The last avoids the neurotoxic carbon sulfide of the viscose process but is also more expensive. Rayon and its variants Rayon is produced by dissolving cellul ...
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