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All > Science > Weather
- Volume Coverage Pattern - A volumetric sampling procedure designed for the surveillance of one or more particular meteorological phenomena. Clear Air Mode uses VCP 31 and 32. Each has a Volume Scan consisting of 5 elevation angles (0.5 to 4.5 degrees) in ten minutes. VCP 31 has a long pulse length and provides a better signal-to-noise ratio permitting lower reflectivity returns to be detected. VCP 32 has a short pulse length which provides for larger unambiguous velocity values. Precipitation Mode uses VCP 11 and 21. VCP 11 provides better vertical sampling of weather echoes near the antenna and is usually preferred in situations where convective precipitation is within 60 nmi of the antenna. VCP 11 Volume Scan consists of 14 elevation angles (0.5 to 19.5 degrees) in 5 minutes. VCP 21 has a slower antenna rotation rate and provides better velocity and spectrum width estimates beyond 60 nmi. VCP 21 Volume Scan consists of 9 elevation angles (0.5 to 19.5 degrees) in 6 minutes.
NOAA National Weather Service - Cite This Source - This Definition
- Browse Related Terms: ARR, Maximum Unambiguous Range, Maximum Unambiguous Velocity, Range Folding, TVL
All > Technology > Storage
- VDS is a set of application programming interfaces (APIs) that provides a single interface for managing disks in Windows Server 2003 operating systems. VDS provides a means of managing storage hardware and disks, and for creating volumes on those disks.
Microsoft - Cite This Source - This Definition
- Browse Related Terms: ADSM (ADSTAR Distributed Storage Manager), API (application program interface), application service provider (ASP), bind, HCD (Hardware Configuration Definition), ISMF (Interactive Storage Management Facility), LAN (Local Area Network), virtual local area network (VLAN), VLAN
All > Technology > Defense
- Visual Display Unit.
DoD Missile Defense Agency - Cite This Source - This Definition
- Browse Related Terms: ALU, ARU, CEU, CONUS, DMU, ECU, EEU, FU, FUE, GPU, IOU, MMU, POMCUS, UAE, UE, UFP, UIC, UN, U.S. (US), USA, USCG, USDA, USN, USTA, UTC
All > Medicine > Cancer
- (VEK-tih-bix) A human monoclonal antibody that is being used to treat colorectal cancer that has spread to other parts of the body. It is used in patients whose disease has not gotten better during or after treatment with other anticancer drugs. It is also being studied in the treatment of other types of cancer. Monoclonal antibodies are made in the laboratory and can locate and bind to substances in the body, including cancer cells. Vectibix binds to the epidermal growth factor receptor (EGFR) and may block tumor cell growth. Also called ABX-EGF and panitumumab.
National Cancer Institute - Cite This Source - This Definition
- Browse Related Terms: ABX-EGF, CD40-ligand, cetuximab, EMD 72000, Erbitux, Herceptin, matuzumab, nimotuzumab, panitumumab, Theraloc, trastuzumab
All > Law > E-Discovery
- Representation of graphic images by mathematical formulas. For instance, a circle is defined by a specific position and radius.
AmDoc - Cite This Source - This Definition
- Browse Related Terms: AIIM, Annotations, Document Imaging Programs, Document Management System, Document Repositories, Electronic Document Management, Electronic Image, Electronic Image Management (EIM), Image Processing, Raster Image
- A type of DNA, such as a plasmid or phage that is self-replicating and that can be used to transfer DNA segments among host cells. Also, an insect or other organism that provides a means of dispersal for a disease or parasite.
USDA CSREES - Cite This Source - This Definition
- 1. An organism, usually an insect, that carries and transmits pathogens . 2. A small DNA molecule (plasmid, virus, bacteriophage, artificial or cut DNA molecule) that can be used to deliver DNA into a cell. Vectors must be capable of being replicated and contain cloning sites for the introduction of foreign DNA.
UN Food and Agriculture Organization - Cite This Source - This Definition
- An autonomously replicating DNA molecule into which foreign DNA fragments are inserted and then propagated in a host cell. Also living carriers of genetic material (such as pollen) from plant to plant, such as insects.
Susan Allender-Hagedorn and Charles Hagedorn - Cite This Source - This Definition
- Browse Related Terms: bifunctional vector, cloning vector, foreign DNA, integrating vector, linearized vector, mini-prep, phagemids, targeting vector
- See: cloning vector
Human Genome Project - Cite This Source - This Definition
- An agent, such as a virus or a small piece of DNA called a plasmid, that carries a modified or foreign gene. When used in gene therapy, a vector delivers the desired gene to a target cell. See also cell, gene
National Human Genome Research Institute - Cite This Source - This Definition
- Browse Related Terms: bacterial artificial chromosome (BAC), bacteriophage, cloning vector, cosmid, gene transfer, P1-derived artificial chromosome (PAC), phage, plasmid, Retroviral infection, Transfection, Virus, yeast artificial chromosome (YAC)