What's the chemical symbol for mercury?
水银的化学符号是什么？
Chemical weapons are banned internationally.
国际上禁止使用化学武器。
A ban was imposed on the use of chemical weapons.
化学武器已被禁止使用。
This chemical has a wide range of industrial uses.
这种化学制品在工业上用途广泛。
Any progress in reducing chemical weapons is welcome.
削减化学武器的任何进展都是受欢迎的。
The country has not forsworn the use of chemical weapons.
该国并未保证禁用化学武器。
The company has evolved into a major chemical manufacturer.
这家公司已逐步发展成一个主要的化工厂。
Norma Jones worked as a packer in a local chemical factory.
诺玛·琼斯在本地一家化工厂作包装工。
Chemical products were used liberally over agricultural land.
化学产品被大量用于农田。
The illness is triggered by a chemical imbalance in the brain.
该病是由大脑里一种化学失衡引发的。
Clouds of toxic fumes escaped in a huge chemical factory blaze.
从化工厂熊熊烈火中泄漏出团团有毒气体。
The quantity of chemical pollutants has increased exponentially.
化学污染物的数量已经急剧上升。
The chemical companies had amalgamated into a vast conglomerate.
这些化学公司已经合并成了一个巨型企业集团。
Callahan posits that chemical elements radiate electromagnetic signals.
卡拉汉假定化学元素放射电磁信号。
The two leaders also approved treaties to cut stockpiles of chemical weapons.
两位领导人也都赞同削减化学武器储备的条约。
Members of an environmental group are staging a protest inside a chemical plant.
一个环保团体的成员们正在一家化工厂内进行抗议。
Glucose and fructose have the same chemical formula but have very different properties.
葡萄糖和果糖具有相同的化学分子式但有很不同的特性。
We must reduce the danger of war by controlling nuclear, chemical, and conventional arms.
我们必须通过控制核武器、化学武器和常规武器来降低战争的危险。
President Hussein called on all countries in the Middle East to scrap nuclear or chemical weapons.
侯赛因总统呼吁中东各国放弃核武器或化学武器。
Professor Orr has developed interesting ways of tagging chemical molecules using existing laboratory lasers.
奥尔教授已经研发出了用现有的实验室激光给化学分子贴标签的有趣方法。
Different enzymes assist in different chemical reactions
不同的酶会协助不同的化学反应。
We know the constitution of mineral through chemical analysis.
我们通过化学分析知道矿物的构成。
The main idea here is that synthetic chemical dyes replaced textile dyes.
其主要想法是合成化学染料代替纺织染料。
The chemical composition of rainfall changes slightly as raid clouds move.
当雨云移动时，降雨的化学成分略有变化。
The chemical composition of rainfall changes slightly as rain clouds move.
降雨的化学成分随着雨云的移动而发生轻微变化。
The chemical adenosine is released by brain cells when those cells are active.
这种化学腺苷是脑细胞活跃时释放的。
Photoreceptors are cells that respond to light by sending out a chemical signal.
光感受器是通过发出化学信号来对光作出反应的细胞。
Chemical laser is characteristically energized by an exoergic chemical reaction.
化学激光器的特点是以释能化学反应提供能源。
Each pattern stands for a distinct chemical element, and so different sets or patterns of spectral lines mean that the star has a different chemical composition.
每一种样式代表一种不同的化学元素，所以光谱线的不同集合或模式意味着这颗恒星有不同的化学成分。
Cooking makes chemical changes.
烹饪会产生化学变化。
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