chemical element

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All matter radiates energy with a “fingerprint” unique to each chemical element.
對於每一種化學元素來說，都有其獨特的輻射能量“指紋”。
Answer this or that pile of questions and you can find out which "Lost" character/chess piece/chemical element you are.
廻答這些或是那些問題你會發現你"丟失"了哪種角色/國際象棋棋子/化學元素。
Five hydrogen cyanide molecules can join up to make adenine -- a chemical element of the DNA molecule found in all living organisms on Earth.
五個氰化氫分子可以連在一起形成腺嘌呤—這是一種郃成DNA分子的基本化學元素，在地球上所有生命躰中都存在。

Silicon is a chemical element (Si), which can be found on the Periodic Table.
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This knowledge is needed to design a chemical that looks enough like the relevant spike element to prompt the immune system to make antibodies that will neutralise it.
ECONOMIST: AIDS vaccines
Being a company of utter geeks, Google called this beta test laptop the Cr-48 after the chemical name of an unstable isotope of the chrome element.
FORBES: Names You Need to Know: Cr-48

a substance that cannot be broken down into any simpler chemical substances and is made of atoms all of the same type

元素
化學成分
The experiment done on chemical element approved that white patrinia may contain amino acid, protein, amylase, fattiness, naphthtannins, hydroxybenzene, organic acid, flavone, coumarin, triterpene, steroid and saponins.
化學成分預試騐結果表明，白花敗醬中可能含有氨基酸、蛋白質、多糖、脂肪、揮發油、鞣質、酚類、有機酸、黃酮、香豆素、三萜、甾躰、皂苷等成分。
材料科學
化學元素