Grids 5.1

Posted on by
  1. Grids 5.1 Download
  2. Grid 5.0 Viewfinder

Clues and Answers for World's Tallest Crossword Grid T-5-1 can be found here, and the grid cheats to help you complete the puzzle easily. Grid T-5-1 Answers. نرم افزار کاربردی Grids for Instagram یا همان اینستاگرام دسکتاپ می باشد که برای اولین بار توسط The Grids App ارائه شده تا شما برای چک کردن پست های اینستاگرام و از همه مهم تر ایجاد پست جدید نیازمند خرید یا استفاده از یک اسمارت فون.

  • FREE 2-Day Shipping Electronics & Office Movies, Music & Books Home, Furniture & Appliances Home Improvement Clothing, Shoes & Accessories Baby Toys, Games, and Video Games Food, Household & Pets Pharmacy, Health & Beauty Sports, Fitness & Outdoors Auto, Tires & Industrial Photo & Personalized Shop Art, Craft, Sewing & Party Supplies See All Departments.
  • Grids and Trees enable buffered rendering of extremely large datasets as an alternative to using a paging toolbar. Your users can scroll through thousands of records without the performance penalties of renderering all the records on screen at once.
  • 5:1 mammo higher the grid ratio, more clean up of scatter, increases pt dose. GRID FREQUENCY. GRIDS WITH HIGH RATIO. High contrast improvement factor. HIGH FREQUENCY GRIDS. Low contrast improvement factor. PARALLEL GRIDS. Simplest, has problems with grid cut.
  • Grid (grĭd) n. A framework of crisscrossed or parallel bars; a grating or mesh. A cooking surface of parallel metal bars; a gridiron. Something resembling a framework of crisscrossed parallel bars, as in rigidity or organization: The city's streets form a grid. A pattern of regularly spaced horizontal and vertical lines forming squares.
  • Mar 31, 2019  Grids for Instagram 5.4 - A beautiful way to experience Instagram. Download the latest versions of the best Mac apps at safe and trusted MacUpdate.

Grids 5.1 Download


Also found in: Thesaurus, Medical, Financial, Acronyms, Idioms, Encyclopedia, Wikipedia.
Related to grid: National Grid

grid

(grĭd)n.1.
a. A framework of crisscrossed or parallel bars; a grating or mesh.
b. A cooking surface of parallel metal bars; a gridiron.
2. Something resembling a framework of crisscrossed parallel bars, as in rigidity or organization: The city's streets form a grid.
3. A pattern of regularly spaced horizontal and vertical lines forming squares on a map, a chart, an aerial photograph, or an optical device, used as a reference for locating points.
4. Electricity
a. An interconnected system for the distribution of electricity or electromagnetic signals over a wide area, especially a network of high-tension cables and power stations.
b. A corrugated or perforated conducting plate in a storage battery.
6. Sports The starting positions of cars on a racecourse.
grid′ded adj.

grid

(ɡrɪd) n
2. (Architecture) a network of horizontal and vertical lines superimposed over a map, building plan, etc, for locating points
4. (Electrical Engineering) the grid the national network of transmission lines, pipes, etc, by which electricity, gas, or water is distributed
6. (Electronics) electronics
a. an electrode situated between the cathode and anode of a valve usually consisting of a cylindrical mesh of wires, that controls the flow of electrons between cathode and anode. See also screen grid, suppressor grid
7. (Motor Racing) See starting grid
8. (Electronics) a plate in an accumulator that carries the active substance
9. any interconnecting system of links: the bus service formed a grid across the country.
10. (Anatomy) Northern English dialect word for face
11. off the grid informal not using any of the services, such as bank accounts, public utilites, etc, that allow a person's activities to be monitored by the authorities
ˈgriddedadj

grid

(grɪd)
n.
2. a network of horizontal and perpendicular lines, uniformly spaced, for locating points on a map, chart, building plan, or aerial photograph by means of a system of coordinates.
3. any interconnecting network resembling this.
4. a system of electrical distribution serving a large area, esp. by means of high-tension wires.
5. a metallic framework in a storage cell or battery for conducting the electric current and supporting the active material.

Grid 5.0 Viewfinder

6. an electrode in a vacuum tube, usu. consisting of parallel wires, a coil of wire, or a screen, for controlling the flow of electrons between the other electrodes.
7. Survey. a basic system of reference lines mapping a region, consisting of straight lines intersecting at right angles.
9. Also, gridiron. a municipal road plan in which all or most thoroughfares cross at right angles.
[1830–40; short for gridiron]

grid

1. Two sets of parallel lines intersecting at right angles and forming squares; the grid is superimposed on maps, charts, and other similar representations of the Earth's surface in an accurate and consistent manner in order to permit identification of ground locations with respect to other locations and the computation of direction and distance to other points.
2. A term used in giving the location of a geographic point by grid coordinates. See also military grid; military grid reference system.
Noun1.grid - a pattern of regularly spaced horizontal and vertical lines
reference grid - a pattern of horizontal and vertical lines that provide coordinates for locating points on an image or a map
pattern, form, shape - a perceptual structure; 'the composition presents problems for students of musical form'; 'a visual pattern must include not only objects but the spaces between them'
Amsler grid - a pattern of small boxes that is used for self-monitoring by patients who have age-related macular degeneration
2.grid - a system of high tension cables by which electrical power is distributed throughout a region
electric main - a main that distributes electricity
facility, installation - a building or place that provides a particular service or is used for a particular industry; 'the assembly plant is an enormous facility'
infrastructure, base - the stock of basic facilities and capital equipment needed for the functioning of a country or area; 'the industrial base of Japan'
power cable, power line - cable used to distribute electricity
power plant, power station, powerhouse - an electrical generating station
3.grid - a perforated or corrugated metal plate used in a storage battery as a conductor and support for the active material
plate - a sheet of metal or wood or glass or plastic
storage battery, accumulator - a voltaic battery that stores electric charge
4.grid - an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
electrode - a conductor used to make electrical contact with some part of a circuit
electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, vacuum tube, tube - electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
5.grid - a cooking utensil of parallel metal bars; used to grill fish or meat
cooking utensil, cookware - a kitchen utensil made of material that does not melt easily; used for cooking

grid

noun
2.networka grid of narrow streets
شَبَكَةشَبَكَة خُطوط مُتَصالِبَهشَبَكَة قَضْبان مُتَصالِبَه
mřížkarozvodná síť elektrické energiekartografická síťmříž
elektromrežamreža
grindrúîunet í hnitakerfi
グリッド
grotoskoordinatės
gallernätrutnät
ızgarayatay ve dikey çizgiler

grid

[grɪd]A.N
2. (Brit) (Elec, Gas) (= network) → redf
the (national) gridla rednacional
4. (US) (Sport) = gridiron
B.CPDgrid mapNmapamcuadriculado
grid referenceNcoordenadasfpl

grid

[ˈgrɪd]n
(on bingo card)grillef
(ELECTRICITY, ELECTRONICS)réseaum
the Grid → le réseauélectrique
the National Grid → le réseauélectriquenational
(MOTOR RACING) (= starting line) → grillef de départ

grid

n
(= grating)Gitternt; (in fireplace, on barbecue) → Rostm; grid system (in road-building) → Rechteckschemant
(= electricity, gas network)Verteilernetznt; the (national) grid (Elec) → das Überland(leitungs)netz
(Motor-racing: = starting grid) → Start(platz)m; (US Ftbl) → Spielfeldnt; they’re on the gridsie sind auf den Startplätzen
(Theat) → Schnürbodenm

grid

:
grid reference
grid square

grid

[grɪd]n (grating) → grata, griglia (Elec, Gas) (network) → retef; (on map) → reticolato (Am) (Aut) → area d'incrocio
the national grid → la rete elettrica nazionale

grid

(grid) noun
1. a set of vertical and horizontal lines drawn on a map. ruitekaart شَبَكَة خُطوط مُتَصالِبَه координатна мрежа grelha kartografická síť das Gitter linienet τετράγωνα σχεδιασμένα σε χάρτη cuadrícula võrgustik خطوط شطرنجی ruudukko grille רֶשֶת קָווִים नक्शे पर जालीनुमा लकीरें mreža (térkép)hálózat kotak-kotak dalam peta rúðunet í hnitakerfi rete ごばん目 격자 koordinatės koordinātu tīkls grid netrutenettsiatka د شطرنج خطونه grelha grilă координатная сетка súradnicová sieť mreža koordinatna mreža rutnät, rutsystem เส้นแนวตั้งและแนวนอนบนแผนที่ yatay ve dikey çizgiler 地圖座標 сітка نقشے پر ڈالے گۓ عمودی اور متوازي خطوط đường kẻ ô 地图上的坐标方格
2. a framework of iron bars. rooster شَبَكَة قَضْبان مُتَصالِبَه решетка grade mříž das Gitter gitter κιγκλίδωμα, πλέγμαreja võre صفحه فلزی مشبک ristikko grilleסורג, סבכה जंगला rešetka rács(ozat) jeruji (járn)grind grata 鉄格子 쇠창살 grotos, grotelės režģis jaring-jaring rooster; traliewerkgitter, ristkrata سيخونه ( داوسپنې ): داوسپنې چوكاټ چې بيړۍ دترميم دپاره پكى نيسى grade grilaj решётка rošt; záhradka (na aute); mriežka rešetka rešetka galler ตะแกรง ızgara 鐵格柵 решітка جنگلہ vỉ; chấn xong 铁篦子

grid

شَبَكَة mřížka gitter5.1Gitterπλέγμαcuadrícula ruudukkogrille mrežagriglia グリッド 격자roosterrutenettsiatkaquadriculadoрешетка galler เส้นตารางızgara đường kẻ ô格子

grid


Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content.
Link to this page:

Grids are placed between the patient and the x-ray film to reduce the scattered radiation reaching the detector (produced mainly by the Compton effect) and thus improve image contrast.

They are made of parallel strips of high attenuating material such as lead with an interspace filled with low attenuating material such as carbon fiber or organic spacer. The strips can be oriented either linear or crossed in their longitudinal axis. As scattered radiation is increased in 'thicker' patients and at larger field sizes, grids are useful in such scenarios to improve image contrast.

The working ability of a grid is described by the grid ratio, which is the ratio of the height of the lead strips (h) to the distance between two strips, i.e. the interspace (D). A grid ratio of 8:1 is generally used for 70-90 kVp technique and 12:1 is used for >90 kVp technique. The strip line density (number of strips per cm) is 1/(D+d), where d is the thickness of the strip. This is typically 20-60 strips per cm.

3.0.0

Types
  • focused grids (most grids): strips are slightly angled so that they focus in space so must be used at specified focal distances
  • parallel grid: used for short fields or long distances
  • moving grids (also known as Potter-Bucky or reciprocating grids): eliminates the fine grid lines that may appear on the image when focused or parallel grids are used; cannot be used for portable films
Uses

Grids are commonly used in radiography, with grid ratios available in even numbers, such as 4:1, 6:1, 8:1, 10:1 or 12:1.

Generally used where the anatomy is >10 cm:

  • abdomen
  • skull
  • spine (except lateral cervical)
  • contrast studies
    • IVU
    • RGU
    • MCU
    • barium studies (including lateral cervical)
  • breast (mammography): uses 4:1 grid ratio
Characteristics

The Bucky Factor is the ratio of radiation on the grid to the transmitted radiation. It indicates the increase in patient dose due to the use of a grid. It is typically two to six.

The contrast improvement factorDenoise v5.1.0 5. is the ratio between the contrast with a grid and without a grid. It is typically two. Image contrast can be improved by increasing the grid ratio by increasing the height of the lead strips or reducing the interspace. However, this leads to increased x-ray tube loading and radiation exposure to the patient.

{'containerId':'expandableQuestionsContainer','displayRelatedArticles':true,'displayNextQuestion':true,'displaySkipQuestion':true,'articleId':30312,'mcqUrl':'https://radiopaedia.org/articles/grids/questions/790?lang=us'}
  • 1. Curry TS, Dowdey JE, Murry RE. Christensen ́s physics of diagnostic radiology 4 Ed. Lippincott Williams & Wilkins. (1990) ISBN:0812113101. Read it at Google Books - Find it at Amazon
  • 2. Walter Huda, Richard M. Slone. Review of Radiologic Physics. (2003) ISBN: 9780781736756
  • 3. Pettet G. A Radiologist's Notes on Physics. (2014) ASIN: B00HTR080O.
Grids

Related Radiopaedia articles

Physics and imaging technology: x-ray
  • x-rays
    • x-ray production
      • cathode
      • anode
      • x-ray spectrum
    • interaction with matter​
    • filters
    • x-ray film
    • image intensifier
    • digital radiography
      • direct digital radiography
    • digital image
    • x-ray artifacts
      • external foreign bodies
  • radiation units
    • absorbed dose
    • equivalent dose
    • effective dose
    • exposure​
    • legacy units
  • radiation safety
    • stochastic effect
      • radiation-induced carcinogenesis
  • radiation detectors
    • dosimeters

Promoted articles (advertising)