gallium
gallium — 名詞
1. a soft silvery metal that is a chemical element (symbol Ga) with a very low melt
鎵
化學元素Ga,低熔點軟金屬
a soft silvery metal that is a chemical element (symbol Ga) with a very low melting point, making it useful in electronics and high-temperature thermometers
Henry showed his science class how gallium turned into a liquid in his warm hand.
Henry 在自然課上向全班示範鎵如何在溫暖的手中化為液體。
demonstrates low melting point ~30°C
The electronics factory uses gallium to make LEDs for smartphone screens.
這間電子工廠使用鎵來製造智慧型手機螢幕的LED。
gallium used in LEDs
Meera stored her gallium sample in a plastic container because it expands when it freezes.
Meera 把她的鎵樣本存放在塑膠容器中,因為鎵結冰時會膨脹。
Gallium nitride chips help power the radio antennas on Trang's phone.
氮化鎵晶片協助驅動 Trang 手機上的無線電天線。
Researchers at the lab tested gallium for new types of solar panel designs.
實驗室的研究人員測試了鎵在新型太陽能板設計中的用途。
用法筆記
Gallium is safe to handle with bare hands, unlike mercury. Its low melting point (about 30°C) means a small piece can melt from the warmth of your palm.