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放射性元素
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tennessine
人工放射性元素,元素符号Ts,原子序数117,半衰期最长的同位素的质量数294。属周期系ⅦA族,是已知第二重的元素。以合成该元素的美国橡树岭国家实验室、范德堡(Vanderbilt)大学等研究机构所在的田纳西州(Tennessee)命名。曾被称为117号元素(ununseptium),符号Uus。
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loading matrix
loading mode for irradiation
loading rule
loading surface
loading test
loading valve
load lifting device
load limiter
load-line diagram
load mathematical model
load on bridge engineering
load on offshore structure
load on port engineering structure
load on railway engineering structures
Load redistribution model
load rejection test for steam turbine
load resistance
loads for bridge design
loadstone
load-store architecture
load-strength interference model
load-structure method
load switch
load switching
load test for 72h continuous operation of hydro-generator unit
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