Examples of HVL in a sentence
The HVL shall meet the specification of 41.1(4) and 41.1(6) for the minimum HVL.
If it is necessary to determine such HVL at an x-ray tube potential which is not listed in table 1 in paragraph (m)(1) of this section, lin- ear interpolation or extrapolation may be made.
This term has the same meaning as the term ‘‘radi- oscopy’’ in the standards of the Inter- national Electrotechnical Commission.General purpose radiographic x-ray sys- tem means any radiographic x-ray sys- tem which, by design, is not limited to radiographic examination of specific anatomical regions.Half-value layer (HVL) means the thickness of specified material which attenuates the beam of radiation to an extent such that the AKR is reduced to one-half of its original value.
Fluoroscopic systems manufactured on or after June 10, 2006, incorporating an x-ray tube(s) with a continuous output of 1 kilowatt or more and an anode heat storage ca- pacity of 1 million heat units or more shall provide the option of adding x-ray filtration to the diagnostic source as- sembly in addition to the amount need- ed to meet the HVL provisions of§ 1020.30(m)(1).
The property shall be inspected by an HVL POA designated person and/or the HVL POA Community Manager.
If both have approved the request, it may then be approved at the next scheduled HVL POA Board of Directors Meeting before a check for the return amount is written.
Com- pliance shall be determined by x-ray measurements made at a potential of100 kilovolts peak and with an x-ray beam that has an HVL specified in table 1 in paragraph (m)(1) of this sec- tion for the potential.
For example, a measured entrance exposure of 0.50 Roentgen from a Mo/Mo Target Filter system at 30 kVp with a measured HVL of 0.36-mm aluminum yields an average glandu- lar dose of (0.50 R) × (174 mrad/R) = 87 mrad or 0.87 mGy.*Wu X.
Examples include, but may not be limited to, changing a transported product from liquid to gas, from crude oil to HVL, and vice versa.
As we have written before, the perception of each complex object coming from the real-life world takes place by detecting its structure (see Section 4.3), whereas the features of a given complex object may be determined only by establishing the features of this structure.