Virtual source definition

Virtual source means a point from which radiation appears to originate.
Virtual source means a point from which radiation appears to originate.41.3(3) Registration or license requirements. No person shall receive, possess, use, transfer, own, or acquire therapeutic radiation machines except as authorized in a registration issued pursuant to 641—39.1(136C) to 39.4(136C).41.3(4) General administrative requirements for facilities using therapeutic radiation machines.
Virtual source means a point from which radiation appears to originate. 7988. “Wedge filter” means a filter which effects continuous change in

Examples of Virtual source in a sentence

  • R13 (p) "Target" means that part of a radiation head which by design intercepts a beam of accelerated particles with subsequent emission of other radiation R13 (q) "Virtual source" means a point from which radiation appears to originate.

  • When the MLC travels closer to or crosses over the central axis, the direction is denoted as negative (“–” in all figures).A.5. Virtual source position of 400 MeV/n carbon ion beam A pencil carbon ion beam is spread into a broader beam after passing through the primary collimator, beam monitor, scatterer, ridge filter, ridge shifter and the range shifter that appears to diverge from a point _this point is so called the virtual source.

  • Virtual source and the scale-changing source of each branch (when defined in the same domain and using same orthogonal modal-basis) can be replaced by a single current source.

  • Virtual source position is trivial to calculate in this format Figure 2: Virtual source mirroring for the Image Source technique.

  • Very high radiation area means an area, accessible to individuals, in which radiation levels from radiation sources external to the body could result in an individual receiving an absorbed dose in excess of 5 Gy (500 rads) in 1 hour at 1 meter from a source of radiation or 1 meter from any surface that the radiation penetrates.2 Virtual source means a point from which radiation appears to originate.

  • Defendants allege that Leaf used Deming as his “puppet,” controlling her litigation.Whether Leaf assumed control over Deming’s litigation is a question of fact, and defendants do not elaborate on why they believe Deming was Leaf’s “puppet.” See Restatement (Second) of Judgments, § 39 cmt.

  • Virtual source and delay line calculationsThe calculations required to create proper delay lines in- volve determining the position of the sound source and each virtual source, and calculating the corresponding de- lays and gains for each source.

  • Virtual source First Condenser Lens Condenser Aperture Second Condenser LensObjective Aperture Scan CoilsObjective Lens Sample Figure 3.15: Shows the schematic diagram of scanning electron microscope.

  • Virtual source: new method for imaging and 4D below complex overburden, in Proceedings of 74th Annual International Meeting(expanded abstracts), Society of Exploration Geophysicists, 2477–2480.

  • Virtual source terms are used to model the initial atmospheric distribution of source mate- rial following an explosion, fire, resuspension, or user-input geometry.

Related to Virtual source

  • Data Source Annual Fiscal Audit Report, Terms of Debt, Other Formal Notifications Received by School. Default Rubric Exceeds Standard The school has met standard for at least 3 consecutive years. Meets Standard The school is not in default of any financial obligations, and did not experience any instances of default during the fiscal year. Financial obligations include, but are not limited to, making payments to vendors and utility services on time, complying with all loan covenants, filing any reports required for maintenance of grants or philanthropic funds, meeting all tax obligations, and operating without financial judgements or property liens. Approaches Standard The school experienced one or more instances of minor default during the fiscal year (such as making late payments); however, the school is not currently in default of any financial obligations. Does Not Meet Standard School is currently in default of financial obligations.

  • Commercial Software means Software developed or regularly used that: (i) has been sold, leased, or licensed to the general public; (ii) has been offered for sale, lease, or license to the general public; (iii) has not been offered, sold, leased, or licensed to the public but will be available for commercial sale, lease, or license in time to satisfy the delivery requirements of this Contract; or (iv) satisfies a criterion expressed in (i), (ii), or (iii) above and would require only minor modifications to meet the requirements of this Contract.

  • Mobile source means a motor vehicle, nonroad engine, or nonroad vehicle. A motor vehicle is a self-propelled vehicle designed for transporting persons or property on a street or highway. A nonroad vehicle is a vehicle powered by a nonroad engine. A nonroad engine is an internal combustion engine that is not used in a motor vehicle or a vehicle used solely for competition, or that is not subject to standards promulgated under section 111 or section 202 of the Act.

  • Area source means any stationary source of hazardous air pollutants that is not a major source as defined in rule 567—22.100(455B).

  • Cable Television Network or “cable TV network” means any system consisting of a set of closed transmission paths and associated signal generation, control and distribution equipment, designed to provide cable service for reception by multiple subscribers;

  • Minor source means any sta- tionary source that does not meet the definition of major stationary source in paragraph (b)(1) of this section for any pollutant at the time the PAL is issued.

  • Brachytherapy source means a radioactive source or a manufacturer-assembled source train or a combination of these sources that is designed to deliver a therapeutic dose within a distance of a few centimeters.

  • Information system means a discrete set of information resources organized for the collection, processing, maintenance, use, sharing, dissemination, or disposition of information (44 U.S.C. 3502).

  • Public Source means each source of Publicly Available Information specified as such in the Issue Terms (or, if a source is not so specified, each of Bloomberg Service, Dow Jones Telerate Service, Reuter Monitor Money Rates Services, Dow Jones News Wire, Wall Street Journal, New York Times, Nihon Keizai Shinbun, Asahi Shinbun, Yomiuri Shinbun, Financial Times, La Tribune, Les Echos and The Australian Financial Review (and successor publications), the main source(s) of business news in the country in which the Reference Entity is organised and any other internationally recognised published or electronically displayed news sources).

  • Primary Source means the Screen Page specified as such in the applicable Pricing Supplement and (in the case of any Screen Page provided by any information service other than the Reuters Monitor Money Rates Service (“Reuters”)) agreed to by the Agent Bank;

  • Coordinated licensure information system means an integrated process for collecting, storing, and sharing information on nurse licensure and enforcement activities related to nurse licensure laws that is administered by a nonprofit organization composed of and controlled by licensing boards.

  • ATC means a measure of the transfer capability remaining in the physical transmission network for further commercial activity over and above already committed uses.

  • Sadomasochistic abuse means actual or explicitly simulated flagellation or torture by or upon a person who is nude or clad in undergarments, a mask or bizarre costume, or the condition of being fettered, bound or otherwise physically restrained on the part of one so clothed.

  • Computer network means the interconnection of hardwire or wireless communication lines with a computer through remote terminals, or a complex consisting of 2 or more interconnected computers.

  • Fund Source means any direct or indirect sum payable to the Contractor by the County pursuant to any lawful obligation.

  • Cable television system means any facility consisting of a set of closed transmission paths and associated equipment designed to provide video programming to multiple subscribers when subscriber interaction is required to select a specific video program for an access fee established by the cable television system for that specific video program.

  • New source means any building, structure, facility or installation from which there is or may be a discharge of pollutants, the construction of which commenced after the publication of proposed Pretreatment Standards under section 307(c) of the Act which will be applicable to such source if such Standards are thereafter promulgated in accordance with that section, provided that:

  • Spot network means a type of electric distribution system that uses two or more inter-tied transformers to supply an electrical network circuit. A spot network is generally used to supply power to a single customer or a small group of customers. Spot network has the same meaning as the term "spot network" defined in Section 4.1.4 of IEEE Standard 1547.

  • Company Software means Software owned or purported to be owned by or developed by or for the Company or any Company Subsidiary.

  • Point source means any discernible, confined, and discrete conveyance, including but not limited to any pipe, ditch, channel, tunnel, conduit, well, discrete fissure, container, rolling stock, concentrated animal feeding operation, vessel, or other floating craft from which pollutants are or may be discharged. This term does not include return flows from irrigated agriculture.