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CT Value information


CT Values are an important part of calculating disinfectant dosage for the chlorination of drinking water. A CT value is the product of the concentration of a disinfectant (e.g. free chlorine) and the contact time with the water being disinfected. It is typically expressed in units of mg-min/L.

The goal of disinfection is the inactivation of microorganisms. This depends on: the microorganism, the disinfectant being used, the concentration of the disinfectant, the contact time, and the temperature and pH of the water.[1]

  1. ^ Pine, Rob; Joe Savage. "Everything You Ever Wanted to Know About CT (and then some)" (PDF). New Mexico Environment Department. Retrieved 20 October 2013.

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CT Value

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CT Values are an important part of calculating disinfectant dosage for the chlorination of drinking water. A CT value is the product of the concentration...

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CT

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Look up CT, c.t., or Ct. in Wiktionary, the free dictionary. CT or ct may refer to: c't (Computer Technik), a German computer magazine Freelancer Agent...

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CT scan

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A computed tomography scan (CT scan; formerly called computed axial tomography scan or CAT scan) is a medical imaging technique used to obtain detailed...

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Hounsfield scale

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for describing radiodensity. It is frequently used in CT scans, where its value is also termed CT number. The Hounsfield unit (HU) scale is a linear transformation...

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Lexus CT

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The Lexus CT (Japanese: レクサス・CT, Hepburn: Rekusasu CT) is a hybrid electric automobile sold by Lexus, a luxury division of Toyota, as a premium compact...

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SNOMED CT

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SNOMED CT or SNOMED Clinical Terms is a systematically organized computer-processable collection of medical terms providing codes, terms, synonyms and...

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Coronary CT calcium scan

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A coronary CT calcium scan is a computed tomography (CT) scan of the heart for the assessment of severity of coronary artery disease. Specifically, it...

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Value chain

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Korzeniewicz (Eds), Commodity Chains and Global Capitalism. Westport, CT: Praeger. "Global Value Chains and Development" (PDF). Unctad. Archived from the original...

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Coronary CT angiography

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Coronary CT angiography (CTA or CCTA) is the use of computed tomography (CT) angiography to assess the coronary arteries of the heart. The patient receives...

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Positron emission tomography

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a computed tomography scanner (CT) and are known as PET-CT scanners. PET scan images can be reconstructed using a CT scan performed using one scanner...

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Thromboelastometry

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Lysis) The LI30 value is the percentage of remaining clot stability in relation to the MCF value at 30 min after CT. A similar value can also be calculated...

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Cone beam computed tomography

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computed tomography (or CBCT, also referred to as C-arm CT, cone beam volume CT, flat panel CT or Digital Volume Tomography (DVT)) is a medical imaging...

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Volume rendering

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typical 3D data set is a group of 2D slice images acquired by a CT, MRI, or MicroCT scanner. Usually these are acquired in a regular pattern (e.g., one...

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Quantitative computed tomography

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tomography (CT) scanner with a calibration standard to convert Hounsfield units (HU) of the CT image to bone mineral density values. Quantitative CT scans are...

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Current transformer

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on one side of the transformer, given the appropriate value at the other side. For the 4000:5 CT, the secondary impedance can be found as ZS = NZP = 800ZP...

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Virtual colonoscopy

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Virtual colonoscopy (VC, also called CT colonography or CT pneumocolon) is the use of CT scanning or magnetic resonance imaging (MRI) to produce two-...

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Actual cash value

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Cash value This definition was cited favorably by the Wisconsin Court of Appeals. See Coppins v. Allstate Indemnity Company, Case 2013AP2739 (Wis. Ct. App...

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Wave equation

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value of v is constant on characteristic lines of the form x + ct = x0, and thus that v must depend only on x + ct, that is, have the form H(x + ct)...

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Initial value theorem

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{\displaystyle f(t)=O(e^{ct})} ) and lim t → 0 + f ( t ) {\displaystyle \lim _{t\to 0^{+}}f(t)} exists then the initial value theorem says lim t → 0 f...

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Plane wave

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plane wave is a special case of wave or field: a physical quantity whose value, at any moment, is constant through any plane that is perpendicular to a...

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