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Heterogeneous is an adjective used to describe an object or system consisting of multiple items having a large number of structural variations. It is the opposite of homogeneous, which means that an object or system consists of multiple identical items. Matters of a quantum can exist in homogenous or in heterogeneous or in combined distributions. The term is often used in a scientific (such as a kind of catalyst), mathematical, sociological or statistical context.

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Wikipedia About Heterogeneous

Heterogeneous is an adjective used to describe an object or system consisting of multiple items having a large number of structural variations. It is the opposite of homogeneous, which means that an object or system consists of multiple identical items. Matters of a quantum can exist in homogenous or in heterogeneous or in combined distributions. The term is often used in a scientific (such as a kind of catalyst), mathematical, sociological or statistical context.

Physics and chemistry

A heterogeneous mixture is a mixture of two or more compounds. Examples are: mixtures of sand and water or sand and iron filings, a conglomerate rock, water and oil, a salad, trail mix, and concrete (not cement). During the sampling of heterogeneous mixtures of particles, the variance of the sampling error is generally non-zero. Gy's sampling theory quantitatively defines the heterogeneity of a particle as:

h_i = \frac{(c_i - c_\text{batch})m_i}{c_\text{batch} m_\text{aver}} .

where h_i, c_i, c_\text{batch}, m_i, and m_\text{aver} are respectively: the heterogeneity of the ith particle of the population, the mass concentration of the property of interest in the ith particle of the population, the mass concentration of the property of interest in the population, the mass of the ith particle in the population, and the average mass of a particle in the population.

In chemical kinetics, a heterogeneous reaction is one that takes place at the interface of two or more phases, i.e. between a solid and a gas, a liquid and a gas, or a solid and a liquid. In heterogeneous catalysis the catalyst is in a different phase from the substrate.

Statistics and econometrics

See Study heterogeneity.

Systems

In the world of enterprise computing, heterogeneous data is a mix of data from two or more sources, often of two or more formats, e.g., SQL and XML.

Distributed systems are called heterogeneous if they contain many different types of hardware and software.

Taxonomy

In taxonomy, a heterogeneous taxon is a taxon that contains a great variety of individuals or sub-taxa; usually this implies that the taxon is an artificial grouping.

Genetics

In genetics, heterogeneity refers to multiple origins causing the same disorder in different individuals. If a number of different mutations occurring the same gene produce disorders, it is said to manifest allelic heterogeneity. This term has been used when a number of different alleles cause a similar phenotype or different phenotypes.

Example diseases:

  • Different FBN1 mutations causing Marfan's syndrome
  • Cystic fibrosis is caused by greater than 900 different mutant alleles
  • Alpha-Thalassemia or sickle cell anemia can be caused by different mutations in alpha-globin gene.

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Heterogeneous network - Wikipedia, the free encyclopedia

A heterogeneous network is a network connecting computers and other devices with ... The word heterogeneous network is also used in wireless networks using different ...en.wikipedia.org/wiki/Heterogeneous_network

Oracle Heterogeneous Services Concepts

... Oracle system, you need to use a complementary Heterogeneous Services agent. ... Chapter 7, "Managing Oracle Heterogeneous Services Using Transparent Gateways" ...download-west.oracle.com/docs/cd/A87860_01/doc/server.817/a7...

Heterogeneous process migration: The Tui system — CiteSeerX citation query

Scientific documents that cite the following paper: Heterogeneous process migration: The Tui system, by P Smith, N C Hutchinsonciteseerx.ist.psu.edu/showciting?cid=772724

Research - Research Areas - Sensor Nets / RFID - Heterogeneous Sensor ...

Heterogeneous Sensor Networks. Intel® Mote. IrisNet. Precision Location. Radio Free Intel ... The Potential Solution: Heterogeneous Networks ...www.intel.com/research/exploratory/heterogeneous.htm

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News about Heterogeneous

Google Briefly Crashes

LinuxGoogle went down for hours Thursday morning. It’s better now but people couldn’t get or could barely get search Gmail, Google Apps, Google News, Google Reader, Google Maps, Google Analytics, heck, even google.com and YouTube. The latest message from Google was “The issue affecting some Google services has been resolved. We’re sorry for the inconvenience, and we’ll share more details soon...http://linux.sys-con.com/node/963859

Hitachi Data Systems Introduces the Hitachi Data Protection Suite 8.0 Powered by CommVault

dBusinessNews.comSANTA CLARA, Calif. and OCEANPORT, N.J. — Hitachi Data Systems Corporation, a wholly owned subsidiary of Hitachi, Ltd. (NYSE: HIT ) and the only provider of Services Oriented Storage Solutions, and CommVault (NASD: CVLT ) today announced the Hitachi Data Protection Suite 8.0, powered by CommVault.http://www.dbusinessnews.com/shownews.php?newsid=183123&type...

Doxense aims to cut print costs with Watchdoc

VNU Net via Yahoo! UK & Ireland NewsFrench software firm Doxense is bringing to the UK its print management software that it claims can cut printing costs by over 25 per cent for business customers through a reduction of unnecessary print output.http://uk.news.yahoo.com/16/20090514/ttc-doxense-aims-to-cut...

Microsoft and Sun tout interoperability project

VNU Net via Yahoo! UK & Ireland NewsMicrosoft and Sun Microsystems have published the results of a new interoperability project between the two firms.http://uk.news.yahoo.com/16/20090514/ttc-microsoft-and-sun-t...

Microsoft and Sun tout interoperability project

iTNewsMicrosoft and Sun Microsystems have published the results of an interoperability project between the two firms.http://www.itnews.com.au/newsstory.aspx?CIaNID=103241&r=rss

News about Heterogeneous

SSH Tectia Certified With RSA Secured Partner Program

MSN MoneyCentral ... includes SSH Tectia Client, Server, Manager, ConnectSecure, and Server for IBM z/OS, allows enterprises to implement high- performance secure file transfers, secure application connectivity and secure system administration throughout heterogeneous ... http://news.moneycentral.msn.com/provider/providerarticle.as...

Negative Approach

CNET NewsThe company's "customers, partners and developers are working in increasingly heterogeneous environments," so participation in projects such as the census is relevant to the "ecosystem" in which Microsoft operates, said Sam Ramji, Microsoft's senior ... http://news.cnet.com/8300-13846_3-62.html?keyword=%22Microso...

Nanotech: The Circuits Blog

CNET NewsThe later eight-core version is a "heterogeneous" processor, he said. That is, different types of processors will be put on one piece of silicon.http://news.cnet.com/8300-13924_3-64.html?categoryId=9702225

New Unisys Offerings Help CIOs

ScoopBased on software from Unisys partner BMC Software, Inc., Unisys uProvision fully automates allocation of IT resources – both virtual and physical – across heterogeneous environments according to application requirements based on predefined ... http://www.scoop.co.nz/stories/BU0809/S00333.htm

Storage Performance Council Hails the Hitachi USP V as the Highest ...

dBusinessNews.comLower TCO: Run a multitude of heterogeneous applications, from transactional workloads such as Microsoft Exchange and Oracle Database 11g to sequential ones such as Video on Demand (VOD) type, concurrently on a single storage controllerhttp://sanjose.dbusinessnews.com/shownews.php?newsid=166309&...

Search results for Heterogeneous

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Employing an IBM S/390 and zSeries eServer as a backup server, FDR/UPSTREAM is a high performance enterprise-wide solution for managing corporate data distributed across a ... http://encyclopedia2.thefreedictionary.com/Heterogeneous+net...

Mixture

HETEROGENEOUS MIXTURES: The prefixes "homo"- indicate sameness: The prefixes: "hetero"- indicate difference. A homogeneous mixture has the same ... http://www.elmhurst.edu/~chm/vchembook/106Amixture.html

heterogeneous - Definition from the Merriam-Webster Online Dictionary

Definition of heterogeneous from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.http://www.merriam-webster.com/dictionary/heterogeneous

heterogeneous - OneLook Dictionary Search

Quick definitions (heterogeneous) ? adjective: consisting of elements that are not of the same kind or nature ("The population of the United States is vast and heterogeneous")http://www.onelook.com/?w=heterogeneous&ls=a

heterogeneous - OneLook Dictionary Search

Words and phrases matching your pattern: (We're restricting the list to terms we think are related to heterogeneous, and sorting by relatedness.)http://www.onelook.com/?loc=rz7&w=*&clue=heterogeneous
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Sparse and large-scale learning wit...

Sparse and large-scale learning with heterogeneous dataGoogle Tech Talks September 5, 2006 Gert Lanckriet is assistant professor in the Electrical and Computer Engineering Department at the University of California, San Diego. He...Flash - Video

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Heterogeneous Digital Data

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Combining Parallelism, Virtualizati...

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Answers for Heterogeneous

Marna KWhat is one way to decide weather a sample of matter is homogeneous or heterogeneous?Marna Kby observation, such as in granite, you can see that a substance does not have uniform composition throughout, or if the substance is visably separated or not uniform throughout. homogeneous substance...radicalrach424What's an example of a heterogeneous and homogeneous mixture?radicalrach424salt water= homogeneous mixture because the salt dissolves and looks like it did before the salt was added. water and sand= heterogeneous mixture because you can see sand particles in the mixture.MercedesCan someone please explain the term phase as it relates to homo and heterogeneous mixtures?MercedesA homogeneous mixture will have one phase. A heterogeneous mixture will have two phases. For example a mixture of oil and water will be heterogeneous because the oil will not dissolve in the water. ...joshua_gongIs a compound a heterogeneous or homogeneous mixture?joshua_gongbycster45I need some help with a Chemistry problem about homogeneous and heterogeneous mixtures?bycster45Yes, you can be sure . A " Solution " is a mixture [ of Solute(s) and Solvent(S) ] ; so it can not be a pure substance .
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