VPC 1
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VPC 1
VPC may refer to: Science and technology * Volts Per Cell, the voltage needed to charge a battery * Vapour Phase Chromatography * Virtual private cloud, within a public cloud computing network * Virtual PortChannel - Cisco MC-LAG technology Others * Value of Preventing a Casualty * Ventricular premature contraction, a type of abnormal heartbeat * Violence Policy Center, US organization advocating firearms control * The Voter Participation Center * Cartersville Airport, IATA code * VP-C, Cayman Islands aircraft registration An aircraft registration is a code unique to a single aircraft, required by international convention to be marked on the exterior of every civil aircraft. The registration indicates the aircraft's country of registration, and functions much li ...
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Rechargeable Battery
A rechargeable battery, storage battery, or secondary cell (formally a type of energy accumulator), is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or primary battery, which is supplied fully charged and discarded after use. It is composed of one or more electrochemical cells. The term "accumulator" is used as it accumulates and stores energy through a reversible electrochemical reaction. Rechargeable batteries are produced in many different shapes and sizes, ranging from button cells to megawatt systems connected to stabilize an electrical distribution network. Several different combinations of electrode materials and electrolytes are used, including lead–acid, zinc–air, nickel–cadmium (NiCd), nickel–metal hydride (NiMH), lithium-ion (Li-ion), lithium iron phosphate (LiFePO4), and lithium-ion polymer (Li-ion polymer). Rechargeable batteries typically initially cost more tha ...
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Gas-liquid Chromatography
Gas chromatography (GC) is a common type of chromatography used in analytical chemistry for Separation process, separating and analyzing compounds that can be vaporized without Chemical decomposition, decomposition. Typical uses of GC include testing the purity of a particular substance, or separating the different components of a mixture. In preparative chromatography, GC can be used to prepare pure compounds from a mixture. Gas chromatography is also sometimes known as vapor-phase chromatography (VPC), or gas–liquid partition chromatography (GLPC). These alternative names, as well as their respective abbreviations, are frequently used in scientific literature. Gas chromatography is the process of separating compounds in a mixture by injecting a gaseous or liquid sample into a mobile phase, typically called the carrier gas, and passing the gas through a stationary phase. The mobile phase is usually an inert gas or an Reactivity (chemistry), unreactive gas such as helium, arg ...
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Virtual Private Cloud
A virtual private cloud (VPC) is an on-demand configurable pool of shared resources allocated within a '' public cloud'' environment, providing a certain level of isolation between the different organizations (denoted as ''users'' hereafter) using the resources. The isolation between one VPC user and all other users of the same cloud (other VPC users as well as other public cloud users) is achieved normally through allocation of a private IP subnet and a virtual communication construct (such as a VLAN or a set of encrypted communication channels) per user. In a VPC, the previously described mechanism, providing isolation within the cloud, is accompanied with a virtual private network (VPN) function (again, allocated per VPC user) that secures, by means of authentication and encryption, the remote access of the organization to its VPC resources. With the introduction of the described isolation levels, an organization using this service is in effect working on a 'virtually private' ...
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Virtual PortChannel
EtherChannel is a port link aggregation technology or port-channel architecture used primarily on Cisco switches. It allows grouping of several physical Ethernet links to create one logical Ethernet link for the purpose of providing fault-tolerance and high-speed links between switches, routers and servers. An EtherChannel can be created from between two and eight active Fast, Gigabit or 10-Gigabit Ethernet ports, with an additional one to eight inactive (failover) ports which become active as the other active ports fail. EtherChannel is primarily used in the backbone network, but can also be used to connect end user machines. EtherChannel technology was invented by Kalpana in the early 1990s. Kalpana was acquired by Cisco Systems in 1994. In 2000, the IEEE passed 802.3ad, which is an open standard version of EtherChannel. Benefits Using an EtherChannel has numerous advantages, and probably the most desirable aspect is the bandwidth. Using the maximum of 8 active ports a total ...
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Value Of Preventing A Casualty
The value of life is an economic value used to quantify the benefit of avoiding a fatality. It is also referred to as the cost of life, value of preventing a fatality (VPF), implied cost of averting a fatality (ICAF), and value of a statistical life (VSL). In social and political sciences, it is the marginal cost of death prevention in a certain class of circumstances. In many studies the value also includes the quality of life, the expected life time remaining, as well as the earning potential of a given person especially for an after-the-fact payment in a wrongful death claim lawsuit. As such, it is a statistical term, the value of reducing the average number of deaths by one. It is an important issue in a wide range of disciplines including economics, health care, adoption, political economy, insurance, worker safety, environmental impact assessment, globalization, and process safety. The motivation for placing a monetary value on life is to enable policy and regulatory analy ...
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Ventricular Premature Contraction
A premature ventricular contraction (PVC) is a common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the sinoatrial node. PVCs may cause no symptoms or may be perceived as a "skipped beat" or felt as palpitations in the chest. PVCs do not usually pose any danger. The electrical events of the heart detected by the electrocardiogram (ECG) allow a PVC to be easily distinguished from a normal heart beat. However, very frequent PVCs can be symptomatic of an underlying heart condition (such as arrhythmogenic right ventricular cardiomyopathy). Furthermore, very frequent (over 20% of all heartbeats) PVCs are considered a risk factor for arrhythmia-induced cardiomyopathy, in which the heart muscle becomes less effective and symptoms of heart failure may develop. Ultrasound of the heart is therefore recommended in people with frequent PVCs. If PVCs are frequent or troublesome, medication (beta blockers or certain calcium channel blockers) ...
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Violence Policy Center
The Violence Policy Center (VPC) is an American nonprofit organization that advocates for gun control. Organizational background According to Josh Sugarmann, its founder, the VPC approaches violence, and firearms violence in particular, as a public health issue affecting the whole population, rather than solely a criminal matter. The VPC is known mainly for its in-depth research on the firearms industry, the causes and effects of gun violence, and the advocacy of regulatory policies to reduce gun violence. The VPC advocates for gun control legislation and policy. The VPC relies on donations from the public and foundation support. The primary foundation donor to the VPC is the Joyce Foundation. The VPC publicizes its research through the news media and through coalitions with other advocacy organizations. Activities Annual reports on impact of gun violence Using data from federal agencies such as the Federal Bureau of Investigation and the Centers for Disease Control and Prev ...
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The Voter Participation Center
The Voter Participation Center (VPC) is a U.S.-based 501(c)(3) non-profit organization whose stated aim is to increase voter registration among young people, people of color, and unmarried women, a group it calls "The New American Majority." Its sister organization, the Center for Voter Information, is a 501(c)(4) organization that conducts get-out-the-vote campaigns. VPC runs a large direct mail program, sending voter registration materials to targeted voters. It also produces research material on demographic and voting trends. Between 2004 and 2020, they registered more than 4 million voters. Some election officials and campaigns have contested the group's methods of voter registration and voter turnout. ProPublica reported that VPC's 501(c)(4) sister organization, Center for Voter Information, has "ties to Democrats" and that election officials said that "a flood of mailers" from them "contained mistakes and confused voters at a time when states are racing to expand vote by mai ...
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Cartersville Airport
Cartersville Airport , Valley of Pumpkinvine Creek Field, is a public use airport located on a small hill by the Etowah River two nautical miles (4km) west of the headwaters of Pumpkinvine Creek and three nautical miles (6 km) southwest of the central business district of Cartersville, in Bartow County, Georgia, United States. It is owned by the Cartersville Bartow Airport Authority. Although many U.S. airports use the same three-letter location identifier for the FAA and IATA, this facility is assigned VPC by the FAA but has no designation from the IATA. Facilities and aircraft Cartersville Airport covers an area of at an elevation of 759 feet (231 m) above mean sea level. It has one runway designated 1/19 with an asphalt surface measuring 5,760 by 100 feet (1,756 x 30 m). For the 12-month period ending December 31, 2022, the airport had 50,500 aircraft operations, an average of 138 per day: 90% general aviation, 10% air taxi, and 1% military. At that time there were ...
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