Now, as you recall from the uranium 238 slide, I think the next slide will show it. 现在,正如你们从铀 238 幻灯片中想起的,我想下一张幻灯片会展示它。 If you are talking about radiation, like in the element Uranium, yeah, that's dangerous. 如果你在谈论辐射,比如铀元素中的辐射,是的,...
While uranium itself is not particularly dangerous, some of its decay products do pose a threat, expecially radon, which can build up in confined spaces such as basements. Uranium in air exists as dust that will fall into surface water, on plants or on soils through settling or rainfall. ...
Uranium is a chemical element; it has symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium radioactively decays by emitting an alpha particle. The...
If you are talking about radiation, like in the element Uranium, yeah, that's dangerous. 如果你是说辐射,像铀元素,是的,那就是危险的。 来源于:听力OFFICIAL3 L6 展开更多 adj. (含)铀的【化】 展开 简明例句 One of the technologies it has been developing has beenuraniumenrichment. ...
(Central School of Arts and Manufactures) in Paris, isolated the first sample of uranium metal by heating uranium tetrachloride with potassium.[18][21] Uranium was not seen as being particularly dangerous during much of the 19th century, leading to the development of various uses for the ...
Granted, uranium glass isn’t as dangerous as it might sound. Especially considering its creepy green glow, which almost seems to be somehow self-powered. The uranium glass used by [gigabecquerel] for this project is only about 1% U3O8, and isn’t really that radioactive. But radioactive ...
slowly. A very dangerous fire hazard in the form of a solid or dust when exposed to heat or flame. It can react violently with air, Cl2, F2, HNO3, NOx Se, S, water, NH3, BrF3, trichloroethylene, nitryl fluoride. During storage it may form a pyrophoric surface due to effects of ...
It can be inferred from the passage that the most dangerous by-product of uranium mining and milling is___. A. solid mining wastes B. the slurry in which the waste is stored C. the radon gas that is emitted by the waste D. the uranium that is recovered in the mining operations 相...
Usually it is necessary to preconcentrate the ore by grinding and flotation or similar processes. Hazardous exposures in the uranium industry begin in the mining process. Hazards are of two types, chemical and radiological; of the two, radiation is the more dangerous. Effective ventilation control...
2023a, b). Both chemical toxicity and radiological risks of U cause severe environmental threats, with chemical toxicity being especially dangerous even at low concentrations. Uranium contaminants are transported via infiltration, tailing facilities, airborne particles, and pathways through both above the...