incidence

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incidence

1. Physics the arrival of a beam of light or particles at a surface
2. Geometry the partial coincidence of two configurations, such as a point that lies on a circle

incidence

incidenceclick for a larger image
The angular distance between the chord and a line drawn longitudinally through the fuselage. It is determined during the design of the airplane and is the angle at which the wing is attached to the fuselage. Hence, it is a fixed angle. Also called riggers' angle of incidence.
References in periodicals archive ?
To assess the impact of the disease-free interval on the incidence estimation, we widened the interval previous to the quarter of prevalence (2008/I) by consecutively adding a quarter of the year, that is, one quarter disease-free interval, two quarters, three quarters, 1 year, 1 year and one quarter, etc.
In this study, our primary objective was to evaluate the impact of interventions on reducing the incidence of colonization with or infection caused by antimicrobial drug-resistant pathogens or CDAD.
8% incidence of migraine headache generated by this study is lower than that of most other large series.
Body weight-tumor incidence correlations in long-term rodent carcinogenicity studies.
When all patients were evaluated using both definitions of MI specified above, there were not statistically significant reductions in the incidence of MI.
The CDC study compared lung and bronchus cancer incidence data between the National Cancer Institute's Surveillance, Epidemiology, and End Results (SEER) program and the California Cancer Registry.
There had been speculation that these findings might be explained by viruses; however, the working group found little evidence that these occupations have a higher incidence of viral infections or that viruses have a causal role in myeloid leukemia.
On average, prostate cancer incidence increased by 3% per year from 1973 to 1987.
Utilization review and claims data maintained by the Iowa Foundation for Medical Care (IFMC) were used to identify the incidence of quality and utilization problems.
Although there were fewer incidences of heart attack, stroke and cardiac death in the Protara group versus placebo in this study, none of these results were statistically significant.
Incidences of breast, thyroid and skin cancers also were higher.
Incidences of nerve pain, bruising and bleeding to the muscle in a hemophiliac patient, and hematomas have been reported with use of the Biojector 2000 needle-free device for administration of FUZEON.