| 单词 |
x-ray burster |
| 释义 |
x-ray burster
x-ray burstern. Any of several celestial phenomena characterized by the occasional and sometimes periodic emission of short, very powerful bursts of x-radiation.x-ray burster
x-ray burster[′eks ‚rā ′bər·stər] (astronomy) One of a class of celestial x-ray sources which produce bursts of x-rays in the 1-20-kiloelectronvolt range and which are characterized by rise times of less than a few seconds and decay times of a few seconds to a few minutes; the peak luminosity is of the order of 1038 ergs per second (1031 watts) and the sources have an average equivalent temperature of 108K. |
| 随便看 |
- spastic entropion
- spastic flat foot
- spastic gait
- spastic hemiplegia
- spastic hypertonia
- spastic ileus
- spasticity
- spasticity of muscle
- spastic miosis
- spastic mydriasis
- spastic paralysis
- spastic paraplegia
- spastic paraplegia 10
- spastic paraplegia 13
- spastic paraplegia 7
- spastic paraplegia, autosomal dominant, type 12
- spastic paraplegia, autosomal dominant, type 4
- spastic paraplegia, autosomal recessive, type 20
- spastic paraplegia, autosomal recessive, type 21
- spastic paraplegia, autosomal recessive, type 7
- spastic paraplegia, epilepsy, and mental retardation
- spastic paraplegia, hereditary
- spastic paraplegia, optic atrophy, and neuropathy
- spastic paraplegia type 1
- spastic paraplegia type 2
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