Savez Radio-Amatera Srbije
The Savez radio-amatera Srbije (SRS) (in English, Amateur Radio Union of Serbia) is a national non-profit organization for amateur radio
Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-c ...
, a Serbian amateur radio organization
* Sea Research Society, for diving and underwater archaeology
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Serbian Radical Party
The Serbian Radical Party ( sr-cyrl, Српска радикална странка, Srpska radikalna stranka, ''SRS'') is an ultranationalist political party in Serbia. It was founded in 1991, and its founder and current leader is Vojislav � ...
Socialist Revolutionary Party
The Socialist Revolutionary Party, or the Party of Socialist-Revolutionaries (the SRs, , or Esers, russian: эсеры, translit=esery, label=none; russian: Партия социалистов-революционеров, ), was a major politi ...
, or "Essers", from the late Imperial and early Soviet periods
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Society for Renaissance Studies The Society for Renaissance Studies is an academic society whose aim is to provide a forum for all those interested in studying the Renaissance. It pursues this though various meetings and publications and providing this and other support for interd ...
, a UK-based academic society
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Spanish Riding School
The Spanish Riding School (german: Spanische Hofreitschule) is an Austrian institution dedicated to the preservation of classical dressage and the training of Lipizzaner horses, based in Vienna, Austria, whose performances in the Hofburg are al ...
SRS Labs
SRS Labs, Inc. was a Santa Ana, California-based audio technology engineering company that specialized in audio enhancement solutions for wide variety of consumer electronic devices. Originally a part of Hughes Aircraft Company, the audio divisi ...
, an American audio technology engineering company
* Surveillance and Response Support, a unit of the
European Centre for Disease Prevention and Control
The European Centre for Disease Prevention and Control (ECDC) is an agency of the European Union (EU) whose mission is to strengthen Europe's defences against infectious diseases. It covers a wide spectrum of activities, such as: surveillance, ...
Sex reassignment surgery
Gender-affirming surgery (GAS) is a surgical procedure, or series of procedures, that alters a transgender or transsexual person's physical appearance and sexual characteristics to resemble those associated with their identified gender, and al ...
, a transgender procedure
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Silver–Russell syndrome
Silver–Russell syndrome (SRS), also called Silver–Russell dwarfism, is a rare congenital growth disorder. In the United States it is usually referred to as Russell–Silver syndrome (RSS), and Silver–Russell syndrome elsewhere. It is one of ...
, a growth disorder
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Slow-reacting substance of anaphylaxis
The slow-reacting substance of anaphylaxis or SRS-A is a mixture of the leukotrienes LTC4, LTD4 and LTE4. Mast cells secrete it during the anaphylactic reaction, inducing inflammation. It can be found in basophils.
It induces prolonged, slow ...
Stereotactic radiosurgery
Stereotactic surgery is a minimally invasive form of surgical intervention that makes use of a three-dimensional coordinate system to locate small targets inside the body and to perform on them some action such as ablation, biopsy, lesion, injec ...
String rewriting system
In theoretical computer science and mathematical logic a string rewriting system (SRS), historically called a semi-Thue system, is a rewriting system over strings from a (usually finite) alphabet. Given a binary relation R between fixed strings ov ...
, in computer science and mathematical logic
* Strontium sulfide (SrS), an inorganic compound
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Synchrotron Radiation Source
The Synchrotron Radiation Source (SRS) at the Daresbury Laboratory in Cheshire, England was the first second-generation synchrotron radiation source to produce X-rays. The research facility provided synchrotron radiation to a large number of expe ...
, an X-ray facility in Cheshire, England
Mathematics
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Simple random sample
In statistics, a simple random sample (or SRS) is a subset of individuals (a sample) chosen from a larger set (a population) in which a subset of individuals are chosen randomly, all with the same probability. It is a process of selecting a sam ...
, a method of sampling in statistics
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Stratified random sample
In statistics, stratified sampling is a method of sampling from a population which can be partitioned into subpopulations.
In statistical surveys, when subpopulations within an overall population vary, it could be advantageous to sample each ...
Spaced repetition
Spaced repetition is an evidence-based learning technique that is usually performed with flashcards. Newly introduced and more difficult flashcards are shown more frequently, while older and less difficult flashcards are shown less frequently ...
Sound Retrieval System
Sound Retrieval System (SRS) is a patented psychoacoustic 3D audio processing technology originally invented by Arnold Klayman in the early 1980s. The SRS technology applies head-related transfer functions (HRTFs) to create an immersive 3D sound ...
, an audio processing technology
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Space research service
Space research service (short: SRS | also: ''space research radiocommunication service'') is – according to ''Article 1.55'' of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as ''«A radiocommunic ...
, a radiocommunication service using spacecraft or other objects in space
* Spatial reference system, used to locate geographical entities by coordinate
* Supplementary Restraint System, a type of automobile airbag
* Solvent recovery system, an emission control method typically using
activated carbon
Activated carbon, also called activated charcoal, is a form of carbon commonly used to filter contaminants from water and air, among many other uses. It is processed (activated) to have small, low-volume pores that increase the surface area avail ...
Other uses
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Savannah River Site
The Savannah River Site (SRS) is a U.S. Department of Energy (DOE) reservation in the United States in the state of South Carolina, located on land in Aiken, Allendale, and Barnwell counties adjacent to the Savannah River, southeast of August ...