(n.) That which has only an apparent existence; an apparition; a specter; a phantasm; a sprite; an airy spirit; an ideal image.
Example Sentences:
(1) This is due to changes with energy in the relative backscattered electron fluence between chamber support and phantom materials.
(2) To know the relation between the signal intensity and sodium concentration, sodium concentration--signal intensity curve was obtained using phantoms with various sodium concentrations (0.05-1.0%).
(3) This technique is compared with calculated outline and ring source attenuation correction techniques in a pie phantom.
(4) To evaluate image quality a perspex phantom with image quality test objects was used.
(5) The validity of the response of this probe to Y-90 and its clinical application were assessed with a phantom containing varying activities and with biopsy samples obtained from patients being treated with SIR therapy.
(6) Preliminary heating patterns studied in phantoms indicate the possibility of treating volumes greater than 2000 cm3 within the 50 per cent isotherm.
(7) With the addition of a preservative, the phantom could be used for experiments on heating, without degeneration, for over one year.
(8) Diffusion coefficients measured on images of water and acetone phantoms were consistent with published values.
(9) The incidence of phantom pain and nonpainful phantom sensations was 13.3% and 15.0%, respectively, 3 weeks after mastectomy, 12.7% and 11.8%, respectively, after a year, and 17.4% and 11.8%, respectively, after 6 years.
(10) Phantom studies simulating clinical conditions showed no significant difference in performance at 140 keV.
(11) In addition, normalized organ dose to the breast, active bone marrow, thyroid, eyes, ovaries, and testes were measured in a pediatric anthropomorphic phantom comparing the anteroposterior and posteroanterior projections.
(12) Studies carried out on the phantom have shown how reliable transverse diameter measurements of the pelvis are when carried out by X-Ray scanning pelvimetry compared with conventional X-Ray pelvimetry.
(13) A comparison is made between five irradiation methods, the dose distribution and volume doses of which had been ascertained by means of two phantoms presupposed differently large.
(14) Analysis of the penumbra width of cross dose distributions, as a function of field sizes, allowed us to postulate that the dmax shift could be due to the phantom scattered photons, which in turn were generated by the collimator scattered photons.
(15) The phantom combines an inhalation system which allows for the simulation of xenon buildup or washout in the arterial blood as well as a multisection translatable cylinder in which several sections can be scanned during a preselected protocol to simulate the CT enhancement in brain tissue during a study.
(16) The measurements show that the machine outputs are only slightly dependent on phantom size; the percentage depth dose distributions, however, are strongly dependent on the phantom size, suggesting that machine data for total body irradiations should be measured in phantoms whose dimensions approximate the patient during the total body irradiation.
(17) The Greeks could be delivering an answer to a phantom question.
(18) Quantitative analysis of MR images included fat signal fraction for animals, and relative signal decrease between in-phase and opposed-phase images for phantom and human data.
(19) Relative dose functions for 125I for these phantom media are fitted to second-degree polynomials.
(20) The supplied reference rods were scanned in different positions within the lung fields of the phantom and with varied chest wall thicknesses.
Wraith
Definition:
(n.) An apparition of a person in his exact likeness, seen before death, or a little after; hence, an apparition; a specter; a vision; an unreal image.
(n.) Sometimes, improperly, a spirit thought to preside over the waters; -- called also water wraith.
Example Sentences:
(1) Rolls-Royce, which is owned by the German carmaker BMW , said demand had been strong for the Wraith, a chunky, gas-guzzling two-door car priced at more than £210,000.
(2) Sales were boosted by strong orders for the Ghost Series II introduced in November and the Wraith, which has had its first full year of sales.
(3) BMW reports: Rolls-Royce continues to see strong customer demand for Wraith, significant orders for the recently announced Ghost Series II and good demand for the Phantom family of cars across the world.
(4) The tread of feet in the roads was dulled, and horses and guns moved like wraiths in the swirling mist.
(5) The new Rolls-Royce Wraith has been a stunning success in the super-luxury segment, setting new modern style and technology leadership benchmarks.
(6) Instead, he’s looking more like a man destined to return to Madison with a wad of Delta Sky Miles to haunt the capitol tunnels, a wraith occasionally seizing hapless passersby at underground crossroads and demanding they tell him if they’ve seen Ronald Reagan, what causes male-pattern baldness and how big Canada is.
(7) They hovered just above 3% today and could drop to 2.5% in coming months, said Wraith.
(8) Blood is splashed across his website and featured, for example, in a recent cartoon of the Syrian leader Bashar al-Assad, who was pictured as a green, wraith-like creature drinking greedily from an oversized cup labelled "children's blood".
(9) Carroll was reported in today's Daily Star to have sent texts to Steve Wraith, editor of the Toon Talk fanzine, claiming he felt he had being forced out of the club.
(10) A model poses with a Rolls-Royce Wraith limousine during the 13th Beijing International Automotive Exhibition this year.
(11) Rolls-Royce manufacturers the Wraith, Ghost and Phantom, its top-of-the-range model.
(12) Blood is splashed across his website and featured, for example, in a recent cartoon of the Syrian leader Bashar al-Assad, who was pictured as a green, wraith-like creature drinking greedily from an oversized cup labelled "Children's Blood".
(13) A synthetic peptide corresponding to residues 365-380 of the influenza nucleoprotein (NP365-380) has been previously shown to associate with class I major histocompatibility complex-encoded molecules and to stimulate cytotoxic T lymphocytes [Townsend, A. R. M., Rothbard, J., Gotch, F. M., Bahadur, G., Wraith, D. & McMichael, A. J.
(14) It sells more cars worth over £150,000 than any other manufacturer, and last year launched the Dawn, a convertible based on the Wraith.
(15) Last year was good for carmakers in the UK too – Rolls-Royce, albeit owned by BMW, sold more Wraiths, Ghosts and Phantoms around the world than at any time since it was founded more than a century ago.
(16) The conscious patients watch me warily as if I am some sort of wraith.
(17) Carroll's comments back up the content of texts he sent to friend and editor of the Toon Talk fanzine, Steve Wraith, as the transfer saga unfolded last night.
(18) Demand was high for Phantom and Ghost Rolls-Royce cars, and orders were strong for the new Wraith model, BMW said.
(19) They, of course, have benefitted as the stimulus measures from central banks push up asset prices [ source: the Bank of England ] If you fancy a Wraith, prices begin at around £230,320 .
(20) John Wraith of RBC Capital Markets expects the rally in the gilt market to continue for some time, although it will become a more "gradual rally".