n.铊

Thallium is a chemical element with the symbol Tl and atomic number 81.
铊是一种化学元素，符号为Tl，原子序数为81。
Thallium was once used in glass manufacturing to produce high-quality optical glasses.
铊曾被用于玻璃制造中，以生产高质量的光学玻璃。
Exposure to thallium can lead to serious health issues, including damage to the nervous system.
暴露于铊可能会导致严重的健康问题，包括神经系统损害。
Thallium compounds were historically employed as rodenticides but have been banned due to their extreme toxicity.
铊化合物历史上曾被用作杀鼠剂，但由于其极高的毒性已被禁止使用。
The symptoms of thallium poisoning often mimic those of other illnesses, making diagnosis difficult.
铊中毒的症状常常模仿其他疾病，使得诊断变得困难。
Thallium-201 is used as a radioactive isotope for medical imaging tests, particularly in cardiology.
铊-201作为一种放射性同位素，常用于医学影像检查，特别是在心脏病学领域。
Thallium has several allotropes, the most stable being a bluish-white metallic form.
铊有几种同素异形体，最稳定的是蓝白色的金属形态。
Environmental pollution by thallium is a concern near mining and smelting operations.
在采矿和冶炼作业附近，铊造成的环境污染是一个令人担忧的问题。
In organic chemistry, thallium can be used as a catalyst in certain reactions.
在有机化学中，铊可以作为某些反应的催化剂。
The accidental ingestion of thallium sulfate can result in fatal consequences.
不小心摄入硫酸铊可能导致致命的后果。