(a.) Emitting or proceeding as from a center; resembling rays; radiating; radiate.
(a.) Especially, emitting or darting rays of light or heat; issuing in beams or rays; beaming with brightness; emitting a vivid light or splendor; as, the radiant sun.
(a.) Beaming with vivacity and happiness; as, a radiant face.
(a.) Giving off rays; -- said of a bearing; as, the sun radiant; a crown radiant.
(a.) Having a raylike appearance, as the large marginal flowers of certain umbelliferous plants; -- said also of the cluster which has such marginal flowers.
(n.) The luminous point or object from which light emanates; also, a body radiating light brightly.
(n.) A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve.
(n.) The point in the heavens at which the apparent paths of shooting stars meet, when traced backward, or whence they appear to radiate.
Example Sentences:
(1) The thermoregulatory effects of isothermogenic doses of isoproterenol (Iso) and a novel beta-agonist (BRL 35135) were tested in rats at 22 degrees C and in rats trained to bar press for radiant heat at -8 degrees C. BRL 35135 produced hyperthermia at 22 degrees C and reduced operant responding for heat at -8 degrees C, whereas Iso reduced body temperature and increased operant responding.
(2) During five of the treatments skin cooling, by means of initiating air flow through the radiant heating device, was necessary during the plateau phase because rectal temperature exceeded the target value.
(3) It has been found that the UV radiation-induced extreme state of the cells in a radiant culture produces distantly in an intact detector culture, which has only an optic contact with it, the cytopathic effect (CPE) as a repercussion of a specificity of morphological manifestations imprinted in the affected culture.
(4) Extracellular activity of single WDR neurons in the spinal dorsal horn, which was evoked by a radiant heat stimulus (51 degrees C), was recorded in decerebrate, spinally transected cats.
(5) In both patients, there was a more or less remote history of eye exposure to some form of radiant energy, together with other possible etiologic factors.
(6) A study was performed to investigate whether measurements of the evaporation rate from the skin of newborn infants by the gradient method are affected by the presence of non-ionizing radiation from phototherapy equipment or a radiant heater.
(7) Tiny (0.2% TBS), partial thickness, non-contact radiant heat burns in guinea pigs resulted, within 3 hours, in significant edema formation and protein leakage at the site of the injury.
(8) Brief radiant heat pulses, generated by a CO2 laser, were used to activate slowly conducting afferents in the hairy skin in man.
(9) In the incubator, the spatial variation in radiant temperatures exceeded 2 degrees C, or four times the spatial variation in air temperatures (0.5 degrees C).
(10) The water losses create an additional problem in managing infants under radiant warmers.
(11) After Second World War army service, his physique, graceful carriage and radiant grin took him from lift attendant to Broadway and instant movie stardom in The Killers (1946).
(12) Experimental C-fiber pain caused by radiant heat was applied to the skin area supplied by the left sural nerve of 20 subjects.
(13) The Bair Hugger set on "medium" decreased heat loss more than each radiant warming device and as much as the circulating-water blanket.
(14) Tail-flick latency (the time needed to evoke the tail-flick reflex by noxious radiant heat) was reduced for 1-4 min after intrathecal administration of substance P (5 micrograms), but the tail skin temperature was not significantly changed.
(15) She looks cheery when attacking, even cheerier when attacked and absolutely radiant when descending into a bog of half-truths and fictions.
(16) Compensation for cold air temperature was imperfect because the chicks avoided zones of high radiant flux.
(17) Above threshold, mass removal rates were proportional to laser radiant exposure.
(18) A model of ocular and facial skin exposure to UVB is presented that combines interview histories of work activities, leisure activities, eyeglass wearing, and hat use with field and laboratory measurements of UV radiant exposure.
(19) (table; see text) The direct gain from solar radiation is approximately 100 W. In the shade period the reduction in radiant heat gain is compensated for by the decreased evaporation of sweat.
(20) Possible interactions between mu- and delta-receptors in the rat spinal cord were studied using the radiant-heat-induced tail flick response and the highly selective mu- or delta-ligands: [NMePhe3,D-Pro4] morphiceptin(PL-17) and cyclic[D-Pen2,D-Pen5]enkephalin(DPDPE).
Radiometer
Definition:
(n.) A forestaff.
(n.) An instrument designed for measuring the mechanical effect of radiant energy.
Example Sentences:
(1) From these data it is possible to predict theoretically the apparent temperature difference as seen by an infrared scanner or radiometer with a detector of which the spectral detectivity, D (lambda), is known.
(2) The results were compared to measurements obtained by intermittent blood samples using the radiometer blood gas analyzer.
(3) Radiometer carbon dioxide electrodes and probably other electrodes of similar design do not give the same readings, except under certain very limited conditions, when used to measure carbon dioxide concentrations in solution and the gas phase with which the liquid is in equilibrium.
(4) Transcutaneous arterial oxygen saturation (SpO2) was measured with the Nellcor N101 (oximeter 1a), the Ohmeda Biox III (oximeter lb), the Nellcor N200 (oximeter 2a), the Critikon Oxyshuttle (oximeter 2b), the Radiometer Oxi100 (oximeter 3a), and the Ohmeda Biox 3700 (oximeter 3b).
(5) A discussion of the advantages and disadvantages of these light sources (including gas discharge arcs, fluorescent lamps, and other apparatus) illustrates the importance of matching the emission spectrum of the light source, the spectral response of the radiometer, and the photobiologic action spectrum.
(6) The relative stability of the radiometal chelated antibodies was paralleled by the relative stability in serum of the radiometal chelates themselves.
(7) To evaluate the B 109 Arterial Blood Sampler (Radiometer), 10 different samples were analyzed for Pco2, Po2, and pH.
(8) Pulse oximeter saturation values were recorded by an Ohmeda Biox 3700 pulse oximeter, and the corresponding arterial saturations determined with a CO Oximeter (OSM2 Hemoximeter, Radiometer).
(9) The data has been obtained with the use of radiometer of human radiation, the method of organs screening during radiometry, and of the gamma-camera and blood samples radiometry.
(10) Testing both Radiometer and Rekord syringes for the taking of blood-samples, we ascertained that the results pointed to the suitability of both in ascertaining the acid-base values in all the intervals of time studied by us.
(11) Measurement of the temperature reaction in the depth of the injured eye by the thermal contrast technique in the UHF band with the use of a radiometer permits monitoring the time course of the wound process in the eye, specify the treatment strategy, forecast the possible complications associated with the treatment and the terms of convalescence.
(12) Yellow-green autofluorescence was quantified in the fundi of sheep and dogs with ceroid-lipofuscinosis, using a modified photographic slit-lamp microscope with motorized scanning probe, a photomultiplier system and a digital radiometer.
(13) During the use of a single lot of custom breakpoint panels (Sensititre; Radiometer America Inc., Westlake, Ohio), imipenem susceptibility declined from 70 to 44% for clinical isolates of Pseudomonas aeruginosa.
(14) Each center was requested to perform daily quality control procedures using the QUALICHECK quality control system from RADIOMETER.
(15) Measurements of COHb levels were performed in a Radiometer OSM2 Hemoximeter.
(16) The temperature measured by a radiometer is a function of the emission and propagation of microwaves in tissue and the receiving characteristics of the radiometric probe.
(17) The performance of the Radiometer ABL 1 blood-gas analyser has been evaluated using tonometered blood samples of known PO2 and PCO2.
(18) Radiometal uptake in the kidney was approximately 8 and 150 times higher than the 131I-NP-4 F(ab')2 and Fab', respectively, and the clearance of radiometal activity in the kidneys was approximately 10 times slower than the radioiodine.
(19) The pH and pCO2 were determined with an ABL-2 radiometer (Denmark).
(20) We have identified rare (approximately 0.2% of all samples), but clinically significant, discrepancies between serum or plasma sodium concentrations measured with the Kodak Ektachem 700's direct ion-selective electrode (ISE) method and concentrations measured with two other analyzers: the Beckman Synchron CX3's dilutional ISE instrument and the Radiometer KNA2 instrument for sodium-potassium analysis by the direct ISE method.