Results 81 to 90 of about 189,006 (209)

Dosimetric considerations in dental applications [PDF]

open access: yes
The integration of the Lixiscope into dental procedures was studied and compared with conventional dental radiographic techniques. It was found that through the use of intraoral sealed sources in conjunction with microchannel plate technology, the ...
Goble, J. C.
core   +1 more source

Provisional standards of radiation safety during flights [PDF]

open access: yes
Radiation effects during space flights are discussed in the context of the sources and dangers of such radiation and the radiobiological prerequisites for establishing safe levels of radiation dosage. Standard safe levels of radiation during space flight

core   +1 more source

Effects of Gamma Radiation on Salix nigra Marsh Cuttings [PDF]

open access: yes, 1985
Dormant cuttings of Salix nigra Marsh, were exposed to gamma radiation from a cobalt-60 source at a dose rate of 1110 roentgens (r) per minute. Exposure doses ranged from 50 r through 100 Kr with 100% mortality at 10 Kr.
Gehring, Roy Z.
core   +2 more sources

Dosage with Ultra-Violet Radiation [PDF]

open access: yesNature, 1925
THE beneficial results obtained in the treatment of many diseases by the application of ultra-violet radiations raise the question as to which radiation and what amount is specific to a certain effect. This question is rendered the more difficult of answer by the variety of sources used and the lack of specification of the exact conditions of operation.
openaire   +1 more source

Effective Dose in Abdominal Digital Radiography: Patient Factors

open access: yes대한영상의학회지, 2017
Purpose To identify independent patient factors associated with an increased radiation dose, and to evaluate the effect of patient position on the effective dose in abdominal digital radiography.
Ji Sung Jang   +5 more
doaj   +1 more source

The Effects of Electron Beam Radiation on Paper [PDF]

open access: yes, 1982
The objectives of this investigation were as follows: 1. To see the general effects of electron beam radiation on paper. 2. To see the effect of varying lignin content of paper as it pertains to electron beam radiation. 3.
Proxmire, Paul R.
core   +1 more source

Application Value of Variable Exposure Conditions in One-stop Cerebral Computed Tomography Imaging

open access: yesCT Lilun yu yingyong yanjiu
Objective: To compare the imaging quality and radiation dose under fixed and variable exposure conditions and to determine the value of variable exposure conditions in a one-stop cranial computed tomography (CT).
Yuxiao WANG   +7 more
doaj   +1 more source

A Question of Dose? Ultra-Low Dose Chest CT on Photon-Counting CT in People with Cystic Fibrosis

open access: yesTomography
Objective: Chest computed tomography (CT) is a key component of the diagnostic assessment of people with cystic fibrosis (PwCF) and is increasingly replacing chest radiography.
Marcel Opitz   +16 more
doaj   +1 more source

The effect of cyclophosphamide on salt taste in mice [PDF]

open access: yes, 2016
Chemotherapy is a common cancer treatment, yet it has many severe side effects including altered taste. Patients report that salt taste is most affected by chemotherapy. The salt taste transduction system has yet to be fully elucidated.
Gomella, Michael
core   +1 more source

PTV margin for dose escalated radiation therapy of prostate cancer with daily on-line realignment using internal fiducial markers: Monte Carlo approach and dose population histogram (DPH) analysis. [PDF]

open access: yes, 2006
Using internal fiducial markers and electronic portal imaging (EPID) to realign patients has been shown to significantly reduce positioning uncertainties in prostate radiation treatment.
Liu, Mitchell   +2 more
core   +1 more source

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