PCR or pcr may refer to:

Science

Phosphocreatine Phosphocreatine, also known as creatine phosphate (CP) or PCr (Pcr), is a phosphorylated form of creatine that serves as a rapidly mobilizable reserve of high-energy phosphates in skeletal muscle, myocardium and the brain to recycle adenosine tr ...

, a phosphorylated creatine molecule * Principal component regression, a statistical technique

Medicine

* Polymerase chain reaction **

COVID-19 testing COVID-19 testing involves analyzing samples to assess the current or past presence of SARS-CoV-2. The two main types of tests detect either the presence of the virus or antibodies produced in response to infection. Molecular tests for viral ...

, often performed using the polymerase chain reaction method * Protein/creatinine ratio, in urine * Pathologic complete response (pCR), in neoadjuvant therapy

Technology

* Passport Carrier Release, telecommunications software *

Peak cell rate If a network service (or application) wishes to use a broadband network (an ATM network in particular) to transport a particular kind of traffic, it must first inform the network about what kind of traffic is to be transported, and the performanc ...

, on ATM networks * Platform Configuration Register, a Trusted Platform Module component *

Program clock reference MPEG transport stream (MPEG-TS, MTS) or simply transport stream (TS) is a standard digital container format for transmission and storage of audio, video, and Program and System Information Protocol (PSIP) data. It is used in broadcast syste ...

, in MPEG transport streams *

Processor Control Region Processor Control Region (PCR) is a Windows kernel mode data structure that contains information about the current processor. It can be accessed via the fs segment register on x86 versions, or the gs segment register on x64 versions respectively. S ...

, a Windows data structure *

XM PCR The XM PCR is a satellite receiver sold by XM Radio and discontinued in 2004, amidst piracy concerns. Programs allowed users to record every song played on an XM channel, quickly and cheaply building an MP3 library. History The Personal Computer ...

, a satellite receiver

Political parties

* ''

Parti Communiste Réunionnais Parti may refer to: *Parti (surname), a Hungarian surname, and a list of people with the name * ''Parti'' (architecture), the organizing concepts behind an architect's design * *, a lake in Russia See also *Partie (disambiguation) *Party (disambi ...

'' or Communist Party of Réunion * ''

Partidul Comunist Român The Romanian Communist Party ( ro, Partidul Comunist Român, , PCR) was a communist party in Romania. The successor to the pro-Bolshevik wing of the Socialist Party of Romania, it gave ideological endorsement to a communist revolution that woul ...

'' or Romanian Communist Party * '' Partido Comunista Revolucionário'' or Revolutionary Communist Party * ''

Partido Cívico Renovador The Civic Renovation Party ( es, Partido Cívico Renovador, or PCR) is a political party in the Dominican Republic which was founded in 2006 as the Civic Renovation Movement by Jorge Radhamés Zorrilla Ozuna and a group of social-democratic Domi ...

'' or Civic Renovation Party, Dominican Republic

Other uses

Put/call ratio In finance the put/call ratio (or put-call ratio, PCR) is a technical indicator demonstrating investor sentiment. The ratio represents a proportion between all the put options and all the call options purchased on any given day. The put/call ratio ...

, in finance * Amdo Tibetan (ISO 639 code pcr), a language *

Germán Olano Airport Germán Olano Airport ( es, Aeropuerto Germán Olano, ) is an airport serving Puerto Carreño, the capital of Vichada Department in Colombia. It is also known as Puerto Carreño Airport (''Aeropuerto Puerto Carreño''). The airport is west of an ...

(IATA code PCR), Colombia *

Palestinian Center for Rapprochement between Peoples Palestinian Center for Rapprochement between Peoples (PCR) is a non-profit and non-religious organization. The PCR is based in Beit Sahour under the aegis of the International Solidarity Movement. George Rishmawi is director of PCR. The group was ...

, Palestine *

Pancritical rationalism Pancritical rationalism (literally "criticism of all things", from pan-, "all", also known as PCR), also called comprehensively critical rationalism (CCR), is a development of critical rationalism and panrationalism originated by William Warren B ...

, a development of critical rationalism and panrationalism *

Paul Cruickshank Racing Paul Cruickshank Racing was an Australian motor racing team that competed in several Sports Car and Touring Car categories. History While new to the championship in 2006, Cruickshank has run several cars in the Fujitsu V8 Supercars Series, Dev ...

, an Australian motor racing team *

Police control room In the United Kingdom, an emergency control centre or emergency communications centre (ECC) is a building or room where control room operators receive incoming telephone calls from members of the public in need of assistance. Callers make initial c ...

, an emergency control centre * ''

Practical Chinese Reader The ''Practical Chinese Reader'' () is a six-volume series of Chinese language teaching books developed to teach non-Chinese speakers to speak Chinese, first published in 1981. Books I and II consist of 50 lessons where the reader studies a voc ...

'', a textbook *

Production control room The production control room (PCR) or studio control room (SCR) is the place in a television studio in which the composition of the outgoing program takes place. The production control room is occasionally also called an SCR or a gallerythe latte ...

, of a television studio