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Ras Elhelal, Albayda, Libya
Ras or RAS may refer to: Arts and media * RAS Records Real Authentic Sound, a reggae record label * Rundfunk Anstalt Südtirol The Rundfunkanstalt Südtirol (Italian: ''Radiotelevisione Azienda Speciale'', Ladin: ''Radiotelevijion- Azienda per Südtirol'') is a public broadcasting service, completely funded by grants of the provincial government, for the majority German-spe ..., a south Tyrolese public broadcasting service * Rás 1, an Icelandic radio station * Rás 2, an Icelandic radio station * Raise A Suilen, a Japanese band Organizations * Railway Air Services, a UK airline * Rajasthan Administrative Service, India * Remote Astronomical Society Observatory of New Mexico * Richard Allen Schools, a charter school system in Ohio, USA * Richardson Adventist School, now North Dallas Adventist Academy * IEEE Robotics and Automation Society * Royal Air Squadron, a flying club in the UK * Royal American Shows, an American travelling carnival company operating from the 1920s to the 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RAS Records
RAS Records, also known as Real Authentic Sound, is a reggae record label. History RAS Records was founded in 1979 by Doctor Dread. In his travels to Jamaica he created a network within the reggae artist community there. By the early to mid-1980s, RAS had signed artists such as Black Uhuru, Inner Circle, Culture, Junior Reid, Yellowman, and Freddie McGregor. This allowed RAS to grow significantly throughout the world. To date, the label has also signed artists including Luciano, The Wailers Band, Sizzla and Tony Rebel. Awards Over the years, several RAS artists have been nominated for a Grammy Award. In 1996, Bunny Wailer received an award for his tribute album, ''Hall of Fame: A Tribute to Bob Marley's 50th Anniversary''. RAS artists * Luciano *The Wailers Band * Junior Reid *Culture *Black Uhuru * Inner Circle *Don Carlos *Yellowman *J.C. Lodge *Freddie McGregor * Sanchez *Israel Vibration *Steel Pulse *Mad Cobra *Mikey Spice *Tiger *Gregory Isaacs *Brigadier Jerry *Pincher ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Recurrent Aphthous Stomatitis
Recurrence and recurrent may refer to: *''Disease recurrence'', also called relapse *''Eternal recurrence'', or eternal return, the concept that the universe has been recurring, and will continue to recur, in a self-similar form an infinite number of times across infinite time or space *Historic recurrence, the repetition of similar events in history * Poincaré recurrence theorem, Henri Poincaré's theorem on dynamical systems *Radial recurrent artery – arising from the radial artery immediately below the elbow *Recursive definition *Recurrent neural network, a special artificial neural network *Recurrence period density entropy, an information-theoretic method for summarising the recurrence properties of dynamical systems *Recurrence plot, a statistical plot that shows a pattern that re-occurs *Recurrence relation, an equation which defines a sequence recursively *Recurrent rotation, a term used in contemporary hit radio for frequently aired songs *''Recurrence'' The Railway Chi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Remote Access Service
A remote access service (RAS) is any combination of hardware and software to enable the remote access tools or information that typically reside on a network of IT devices. A remote access service connects a client to a host computer, known as a remote access server. The most common approach to this service is remote control of a computer by using another device which needs internet or any other network connection. Here are the connection steps: # User dials into a PC at the office. # Then the office PC logs into a file server where the needed information is stored. # The remote PC takes control of the office PC's monitor and keyboard, allowing the remote user to view and manipulate information, execute commands, and exchange files. Many computer manufacturers and large businesses' help desks use this service widely for technical troubleshooting of their customers' problems. Therefore you can find various professional first-party, third-party, open source, and freeware remo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reliability, Availability And Serviceability
Reliability, availability and serviceability (RAS), also known as reliability, availability, and maintainability (RAM), is a computer hardware engineering term involving reliability engineering, high availability, and serviceability design. The phrase was originally used by International Business Machines ( IBM) as a term to describe the robustness of their mainframe computers. Computers designed with higher levels of RAS have many features that protect data integrity and help them stay available for long periods of time without failure This data integrity and uptime is a particular selling point for mainframes and fault-tolerant systems. Definitions While RAS originated as a hardware-oriented term, systems thinking has extended the concept of reliability-availability-serviceability to systems in general, including software. * ''Reliability'' can be defined as the probability that a system will produce correct outputs up to some given time ''t''. Reliability is enhanced by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Registration, Admission And Status
H.323 is a recommendation from the ITU Telecommunication Standardization Sector (ITU-T) that defines the protocols to provide audio-visual communication sessions on any packet network. The H.323 standard addresses call signaling and control, multimedia transport and control, and bandwidth control for point-to-point and multi-point conferences. It is widely implemented by voice and videoconferencing equipment manufacturers, is used within various Internet real-time applications such as GnuGK and NetMeeting and is widely deployed worldwide by service providers and enterprises for both voice and video services over IP networks. It is a part of the ITU-T H.32x series of protocols, which also address multimedia communications over ISDN, the PSTN or SS7, and 3G mobile networks. H.323 call signaling is based on the ITU-T Recommendation Q.931 protocol and is suited for transmitting calls across networks using a mixture of IP, PSTN, ISDN, and QSIG over ISDN. A call model, similar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Registered Accessibility Specialist
A 'Registered Accessibility Specialist'' (RAS) is a professional licensed by thto determine if a part of the built environment (building, park, sidewalk A sidewalk (North American English), pavement (British English), footpath in Australia, India, New Zealand and Ireland, or footway, is a path along the side of a street, street, highway, terminals. Usually constructed of concrete, pavers, brick ..., parking lot) is compliant with the Texas Architectural Barriers Act and the Texas Accessibility Standards (TAS). A RAS reviews construction documents to determine accessible design and inspects finished buildings to verify accessible construction. External links * http://www.tdlr.texas.gov/ab/abtas.htm * http://www.gov.texas.gov/organization/disabilities * https://www.jacobsaccessibilitygroup.com/post/what-is-a-registered-accessibility-specialist Disability rights ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Recirculating Aquaculture System
Recirculating aquaculture systems (RAS) are used in home aquaria and for fish production where water exchange is limited and the use of biofiltration is required to reduce ammonia toxicity. Other types of filtration and environmental control are often also necessary to maintain clean water and provide a suitable habitat for fish. The main benefit of RAS is the ability to reduce the need for fresh, clean water while still maintaining a healthy environment for fish. To be operated economically commercial RAS must have high fish stocking densities, and many researchers are currently conducting studies to determine if RAS is a viable form of intensive aquaculture. RAS water treatment processes A series of treatment processes is utilized to maintain water quality in intensive fish farming operations. These steps are often done in order or sometimes in tandem. After leaving the vessel holding fish the water is first treated for solids before entering a biofilter to convert ammonia, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RAS Supergroup
The SAR supergroup, also just SAR or Harosa, is a clade that includes stramenopiles (heterokonts), alveolates, and Rhizaria. The name is an acronym derived from the first letters of each of these clades; it has been alternatively spelled "RAS". The term "Harosa" (at the subkingdom level) has also been used. The SAR supergroup is a node-based taxon. Note that as a formal taxon, "Sar" has only its first letter capitalized, while the earlier abbreviation, SAR, retains all uppercase letters. Both names refer to the same group of organisms, unless further taxonomic revisions deem otherwise. Members of the SAR supergroup were once included under the separate supergroups Chromalveolata (Chromista and Alveolata) and Rhizaria, until phylogenetic studies confirmed that stramenopiles and alveolates diverged with Rhizaria. This apparently excluded haptophytes and cryptomonads, leading Okamoto ''et al.'' (2009) to propose the clade Hacrobia to accommodate them. Phylogeny Based on a compi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RAS Algorithm
The iterative proportional fitting procedure (IPF or IPFP, also known as biproportional fitting or biproportion in statistics or economics (input-output analysis, etc.), RAS algorithm in economics, raking in survey statistics, and matrix scaling in computer science) is the operation of finding the fitted matrix X which is the closest to an initial matrix Z but with the row and column totals of a target matrix Y (which provides the constraints of the problem; the interior of Y is unknown). The fitted matrix being of the form X=PZQ, where P and Q are diagonal matrices such that X has the margins (row and column sums) of Y. Some algorithms can be chosen to perform biproportion. We have also the entropy maximization, information loss minimization (or cross-entropy) or RAS which consists of factoring the matrix rows to match the specified row totals, then factoring its columns to match the specified column totals; each step usually disturbs the previous step’s match, so these steps are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ras Subfamily
Ras, from "Rat sarcoma virus", is a family of related proteins that are expressed in all animal cell lineages and organs. All Ras protein family members belong to a class of protein called small GTPase, and are involved in transmitting signals within cells (cellular signal transduction). Ras is the prototypical member of the Ras superfamily of proteins, which are all related in three-dimensional structure and regulate diverse cell behaviours. When Ras is 'switched on' by incoming signals, it subsequently switches on other proteins, which ultimately turn on genes involved in cell growth, differentiation, and survival. Mutations in Ras genes can lead to the production of permanently activated Ras proteins, which can cause unintended and overactive signaling inside the cell, even in the absence of incoming signals. Because these signals result in cell growth and division, overactive Ras signaling can ultimately lead to cancer. The three Ras genes in humans (''HRAS'', ''KRAS'', a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ras Superfamily
The Ras superfamily, derived from "Rat sarcoma virus", is a protein superfamily of small GTPases. Members of the superfamily are divided into families and subfamilies based on their structure, sequence and function. The five main families are Ras, Rho, Ran, Rab and Arf GTPases. The Ras family itself is further divided into 6 subfamilies: Ras, Ral, Rap, Rheb, Rad and Rit. ''Miro'' is a recent contributor to the superfamily. Each subfamily shares the common core G domain, which provides essential GTPase and nucleotide exchange activity. The surrounding sequence helps determine the functional specificity of the small GTPase, for example the 'Insert Loop', common to the Rho subfamily, specifically contributes to binding to effector proteins such as WASP. In general, the Ras family is responsible for cell proliferation: Rho for cell morphology, Ran for nuclear transport, and Rab and Arf for vesicle transport. Subfamilies and members The following is a list of human proteins belongi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Retinoic Acid Syndrome
Retinoic acid syndrome (RAS) is a potentially life-threatening complication observed in people with acute promyelocytic leukemia (APML) and first thought to be specifically associated with all-''trans'' retinoic acid (ATRA) (also known as tretinoin) treatment. Subsequently, so-called RAS was recognized in APML patients who had been treated with another highly efficacious drug, arsenic trioxide, and yet did not appear in patients treated with tretinoin for other disorders. These facts and others support the notion that RAS depends on the presence of the malignant promyelocytes. This has led to the growing deprecation of the term 'retinoic acid syndrome' and to an increasing use of the term differentiation syndrome to signify this APML treatment complication. Signs and symptoms The syndrome is characterized by dyspnea, fever, weight gain, hypotension, and pulmonary infiltrates. This is effectively treated by giving dexamethasone and withholding ATRA (or arsenic trioxide) in sev ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
