(1) Response saturation of blue-sensitive cone pathways was studied by measuring increment thresholds for violet test flashes on flashed violet fields in the presence of a steady yellow "auxiliary" field of constant radiance.
(2) The first study determined absolute thresholds for "white" and monochromatic lights by establishing a discrimination between lights of various radiances and a dark key.
(3) The radiance of the annulus required to make the central area (spot and ring) appear uniformly black was measured for different wavelengths (440-660 nm) of the annulus.
(4) Mayor Boris Johnson, whose default setting has been relentless and sometimes improbable cheerleading in the face of serious concerns and minor niggles, promised with typical restraint that as the flame "spreads through the city its radiance will dispel any last clouds of dankness and anxiety that may hover over some parts of the media".
(5) The minimal radiance at which phototherapy begins to be effective for neonatal hyperbilirubinemia was also determined.
(6) The effects of chromatic adaptation on the opponent interactions of cone mechanisms were investigated by using increment-threshold spectral-sensitivity (ITSS) functions and threshold-versus-radiance (TVR) curves in rhesus monkey subjects.
(7) This may in part be related to the intrusion of the blue-sensitive mechanism at the upper radiance range.
(8) The obtained constancy ratios were attributed to the role of distance estimation in the determination of colour appearance, an effect that is presumably masked under normal viewing conditions, where long viewpaths are necessary to produce significant radiance changes.
(9) All the cone mechanisms were in compliance of Ricco's law, summing target radiance linearly over a certain range of target diameters with an average slope of 2.4.
(10) "If you look at it as an exhibition, there is a lot of radiance and luminosity and jewel-like colours," she say.
(11) A small patch of achromatic light viewed within a large achromatic surround appears gray or black when the radiance of the surround is well above that of the patch.
(12) A study is reported of colour appearance in situations where the spectral radiance of an object changes significantly with viewing distance.
(13) Many times over the past decade and in the middle of making other films – All or Nothing , Happy-Go-Lucky , Another Year – Mike Leigh and his cinematographer, Dick Pope, would look at the sky and then at one another and say: “Oh God, we must make our Turner film.” A particular light, a moment’s radiance, a sunset – any of these might set them off.
(14) A rapid clinical protocol to assess the radiance response function of the SWS cone ERG is described.
(15) When changing the radiance ratio 630 nm-531 nm of the stimulus, the normal subject exhibited a P-ERG to all stimuli with only a relative amplitude minimum at a distinct radiance ratio, whereas the color-deficient observers failed to show a P-ERG at some color contrast 630 nm-531 nm, the radiance ratio of which was different in the protan and deutan.
(16) The responses of the phasic ganglion cells go through a minimum at relative radiances very similar to that predicted from the V lambda function.
(17) The diffusion length was also determined from radiance versus depth measurements.
(18) Biological weighting functions were used to calculate the blue-light radiance and the weighted UV irradiance.
(19) Considering a negative phototaxis as a stimulus reaction to narrow - or wideband monochromatic radiance of varying ranges of wavelengths and different irradiance it was established that both unfed and engorged I. and II.
(20) Different color sensations were generated by two areas in a complex scene, even though both areas sent to the eye the same 656-nanometer radiance that excited the long-wave cones and excited only the rods.
Radiation
Definition:
(n.) The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness.
(n.) The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat.
Example Sentences:
(1) Recently, it has been shown that radiation therapy, alone or combined with chemotherapy, can be successful.
(2) Sixteen patients were operated on for lumbar pain and pain radiating into the sciatic nerve distribution.
(3) Because of the small number of patients reported in the world literature and lack of controlled studies, the treatment of small cell carcinoma of the larynx remains controversial; this retrospective analysis suggests that combination chemotherapy plus radiation offers the best chance for cure.
(4) Breast conserving surgery in patients with small tumors combined with radiation therapy has gained wide popularity due to better cosmetic results without significant changes in survival.
(5) A Monte Carlo simulation was performed to characterize the spatial and energy distribution of bremsstrahlung radiation from beta point sources important to radioimmunotherapy (RIT).
(6) While both inhibitors caused thermosensitization, they did not affect the time scale for the development of thermotolerance at 42 degrees C or after acute heating at 45 degrees C. The inhibitors of poly(ADP-ribosylation) radiosensitizers and thermosensitizers may be of use in the treatment of cancer using a combined modality of radiation and hyperthermia.
(7) 11 patients with a postoperative classification of stage D had additional external beam radiation to the pelvic and paraaortic lymph nodes with shielding of the implanted prostatic region.
(8) Data are shown for both mutagenesis and carcinogenesis, indicating that, in this respect, even the smallest average organ absorbed dose can be effective, particularly for high-LET radiation.
(9) Protein kinase C (PKC) is activated rapidly and transiently following ionizing radiation exposure and is postulated to activate downstream nuclear signal transducers.
(10) It was found that there was a substantial increase in mortality rates in the area under the jets where there was large noise radiation.
(11) This was treated with local radiation therapy consisting of 2700 rads administered in 15 fractions during a period of 28 days.
(12) This linkage information was used to design complementation tests to determine allelism with previously characterized complementation groups affecting sensitivity to radiation.
(13) There was good agreement between the survival of normally oxygenated cells in culture and bright cells from tumors and between hypoxic cells in culture and dim cells from tumors over a radiation dosage range of 2-5 Gray.
(14) At the completion of radiation therapy, nine patients had negative biopsies.
(15) It has a poor prognosis prior to the current combined treatment of surgical ablation, radiation to the surgical field, and chemotherapy for microscopic metastases.
(16) Radiation exposure resulted in further significant decrease of T-cell count (but not B cells) in the elderly.
(17) This study reviewed 148 patients who had received radiation for head and neck cancer.
(18) The significantly lower radiation sensitivity of FL-marker than that of infectivity indicates that only part of the genome is responsible for the FL-marker.
(19) Treatment modalities included: partial temporal bone resection, subtotal temporal bone resection, total temporal bone resection, radical mastoidectomy followed by radiation therapy, radiation therapy alone, and chemotherapy.
(20) In addition, a new dosage concepts has been introduced on the basis of the effective dose on the lines of the recommendations by the IRCP; as a result, the definitions of radiation protection areas and of dosage limit values had to be revised and reworded.