The word chemistry comes from chemical, which is an example of one type of the very small things that other bigger things are made of.

化学（chemistry）这个词来源于“化学的”（chemical），它是一种非常小的东西的例子，其他更大的东西是由它组成的。

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Whether the type of industry the consumer represents is broad, such as retail, energy and utilities, financial markets, health care, or chemical or petroleum.

使用者代表的行业类型是否非常广泛，比如零售、能源和公共事业、金融市场、医疗保健、化学或石油。

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It basically consists of a series of explosives bonded together with a plastic binder and a chemical, usually 2, 3-dimethyl-2, 3-dinitrobutane, to identify the type and source of explosive.

它主要包括了有塑料粘合剂黏在一起的一系列炸药和一种化学产品。 这种化学产品通常是2,3-二甲基-2,3-二硝基丁烷,用来确定爆炸的类型和起点。

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"America is not serious about discussing this type of chemical weapons use, " al-Zoubi said.

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But, as Canadian officials explain, the type of checking set up for, say, the chemical-weapons treatydoes not fit small, cheap weapons that can be put together in anybody's basement.

ECONOMIST: Landmine ban

By combining an artist and scientific quest, the two professors at Michigan State University found that a certain type of metal-loving bacteria can transform high amounts of the toxic chemical compound gold chloride from a liquid into solid 24-karat gold.

FORBES: FOCUS: 'Microbial Alchemy' Produces Gold From Toxic Chemical