
好词典

Named after Marie Curie (1867-1934) and Pierre Curie (1859-1906), the pioneering researchers in radioactivity. The unit was established in 1910.
❶ 居里,放射性活度的单位,用于衡量放射性物质的衰变速率。1居里等于每秒3.7×10¹⁰次衰变。
“The radium sample had an activity of one curie.”
(这个镭样品的放射性活度为1居里。)
“The curie is named after Marie Curie, the famous physicist.”
(居里这个单位是以著名物理学家玛丽·居里的名字命名的。)
millicurie — 毫居里,等于千分之一居里,用于表示较小的放射性活度。
“The medical tracer contained 5 millicuries of technetium.”
(这种医学示踪剂含有5毫居里的锝。)
microcurie — 微居里,等于百万分之一居里,用于表示极小的放射性活度。
“The lab handled samples with activities in the microcurie range.”
(实验室处理的样品放射性活度在微居里级别。)