单词例句
A catalyst is a chemical substance that increases the rate of a chemical reaction without being consumed in the process.
催化剂是一种化学物质，可以提高化学反应的速度，而自身在过程中不被消耗。
The enzyme, acting as a biological catalyst, speeds up the breakdown of food molecules.
酶作为一种生物催化剂，加速了食物分子的分解。
Catalysts are often used in industrial processes to make them more efficient and environmentally friendly.
催化剂常用于工业过程中，以提高效率并减少对环境的影响。
The presence of a catalyst on the surface of the catalyst bed facilitates the reaction.
催化剂床表面的存在有助于反应的进行。
Scientists are researching new catalyst materials for use in fuel cells, hoping to improve their efficiency.
科学家正在研究新的催化剂材料，以提升燃料电池的效率。
Catalysts can lower the activation energy required for a reaction to occur, making it easier for the reaction to take place.
催化剂能降低反应所需的活化能，使反应更容易发生。
In a catalytic converter, pollutants are converted into less harmful substances with the help of a catalyst.
在催化转换器中，污染物在催化剂的帮助下转化为危害较小的物质。
The catalyst played a pivotal role in the successful synthesis of the new compound.
催化剂在这个新化合物的成功合成中起到了关键作用。
Catalysts are typically chosen based on their ability to selectively promote specific reactions.
选择催化剂通常取决于其能特异性地促进特定反应的能力。
A homogeneous catalyst, like hydrogen peroxide, reacts uniformly with the reactants in a solution.
均相催化剂，如过氧化氢，会在溶液中均匀地与反应物反应。