Homogeneous and Heterogeneous Reactions - Heterogeneity

Heterogeneity is the state of being heterogeneous. It is the nature of opposition, or contrariety of qualities. It is diverse in kind or nature; composed of diverse parts, or resulting from differing causes. In general, a heterogeneous entity is composed of dissimilar parts, hence the constituents are of a different kind. The parts (or constituents) are connected, and of a conglomerate mass, and viewed in respect to the parts of which it is made up.

Various disciplines understand heterogeneity, or being heterogeneous, in different ways. For example:

  • In physics, it is understood as having more than one phase (solid, liquid, gas) present in a system or process.
  • In chemistry, a heterogeneous material consists of either or both of a) multiple states of matter or b) hydrophilic and hydrophobic substances in one mixture; an example of the latter would be a mixture of water, octane, and silicone grease.
  • With information technology (see:Heterogeneous computing) it means a network comprising different types of computers, potentially with vastly differing memory sizes, processing power and even basic underlying architecture. Alternatively, a data resource with multiple types of formats.
  • In sociology it may refer to a society or group that includes individuals of differing ethnicities, cultural backgrounds, sexes, or ages.
  • Rocks (geology) are inherently heterogeneous, usually occurring at the micro-scale and mini-scale.
  • In medicine and genetics, a genetic or allelic heterogeneous condition is one where the same disease or condition can be caused, or contributed to, by varying different genes or alleles.

Read more about this topic:  Homogeneous And Heterogeneous Reactions

Other articles related to "heterogeneity":

Impediments To Schema Matching
... relational DB schemas and in - a fairly comprehensive list of heterogeneity not limited to the relational model recognizing schematic vs semantic differences/hetero ... This process is made harder due to heterogeneities at the following levels Syntactic heterogeneity - differences in the language used for representing the elements Structural heterogeneity - differences ...
Ontology-based Data Integration - Background
... Data from multiple sources are characterized by multiple types of heterogeneity ... following hierarchy is often used Syntactic Heterogeneity is a result of differences in representation format of data Schematic or Structural Heterogeneity the native model or structure to store data differ in data ... Schematic heterogeneity that particularly appears in structured databases is also an aspect of structural heterogeneity ...
Somatic Evolution In Cancer - Somatic Evolution in Progression - Genetic Heterogeneity in Neoplasms
... It is known that there are multiple levels of genetic heterogeneity that are associated with cancer, including single nucleotide polymorphism (SNP), sequence mutations, Microsatellite shifts and ... System instability is a major contributing factor for genetic heterogeneity ... illustrate the importance of the high level of heterogeneity in somatic evolution ...
Agroecological Restoration - Reintegration - Increasing Heterogeneity
... Heterogeneity (here, the diversity or complexity of the landscape) has been shown to be associated with species diversity ... the abundance of butterflies has been found to increase with heterogeneity ... One important part of maintaining heterogeneity in the spaces between different fields is made up of habitat that is not cropped, such as grass margins and ...
Allelic Heterogeneity
... Allelic heterogeneity is the phenomenon in which different mutations at the same locus causes a similar phenotype ... Allelic heterogeneity should not be confused with locus heterogeneity in which a mutation at a different gene causes a similar phenotype ... Nor should it be confused with phenotypic heterogeneity in which a mutation within the same gene causes a different phenotype ...