the of nuclear radiation
conversion
举一反三
- The ___________(转变,改造)of nuclear radiation directly into electricity was an exciting possibility that was being explored in 1950s.
- The ________ of nuclear radiation directly into electricity was an exciting possibility that was being vigorously explored in many laboratories in the 1950s.
- The applications of nuclear radiation in agriculture mainly include ( ). A: irradiation breeding B: the storage and preservation of the food C: food sterilization D: pest control
- According to the passage, it can be inferred that______. A: many unclear plants will be shut down gradually B: the release of Indian Point nuclear plant is serious C: infant death rate study is the main task of the Archives of Environmental Health D: no one makes sure that the nuclear radiation causes infant deaths
- The accumulation of greenhouse gases (GHGs) causes global warming by letting sunlight into the atmosphere as _______. Then, when the earth re-radiates the heat back to space, the gases trap the energy in the form of outgoing ______. A: visible light, ultraviolet radiation B: infrared radiation, ultraviolet radiation C: ultraviolet radiation, infrared radiation D: infrared radiation, radio waves
内容
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radiation
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The light emitted by the LED is incoherent light, and its basic principle is . A: stimulated absorption B: spontaneous radiation C: stimulated radiation D: spontaneous radiation
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Nuclear power is the use of nuclear reactions that release nuclear energy to generate _____, which most frequently is then used in steam turbines to produce electricity in a nuclear power plant.
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radiation sterlization
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Which of the following in NOT true of the nuclear envelope? () A: The nuclear envelope is exactly like other cellular membranes. B: The nuclear envelope separates the genetic material from the cytoplasm. C: The nuclear envelope is a pair of concentric membranes. D: The nuclear envelope is studded with pores.