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(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself
催化剂, 促进剂
a solution containing a weak acid and its conjugate base, or a weak base and its conjugate acid, which maintains a stable pH when small amounts of acid or base are added
缓冲溶液, 缓冲剂
a substance that takes part in and undergoes a chemical reaction, leading to the formation of new products
反应物, 反应剂
a substance or compound used in a chemical reaction to detect, examine, or produce other substances
试剂, 反应剂
any of the elements in Group 18 of the periodic table, including helium, neon, argon, krypton, xenon, and radon, characterized by their inert nature and stable electron configurations
惰性气体, 贵气体
a group of non-reactive gases that typically exhibit low chemical reactivity due to their stable electron configurations
惰性气体, 惰性气体组
a type of chemical element found in Group 17 of the periodic table, known for being highly reactive and commonly used in disinfectants and lights
卤素, 卤族元素
a durable plastic material used for packaging, bags, and various applications
聚乙烯, 聚乙烯材料
a lightweight and versatile synthetic polymer used in packaging, insulation, and disposable products
聚苯乙烯, 泡沫塑料
referring to the essential chemical element phosphorus, which is vital in biological processes and various industrial applications
磷的, 含磷的
a compound containing silicon and oxygen atoms, often forming minerals or glasses, with diverse applications in industry and nature
硅酸盐, 硅酸矿
a weak organic acid found naturally in citrus fruits like lemons, oranges, and limes, commonly used as a food additive for flavoring and preserving
柠檬酸, 酸柠檬
a chemical compound that contains phosphorus and oxygen atoms, commonly found in salts or esters of phosphoric acid, important for biological processes and industrial applications
磷酸盐, 磷酸酯
a type of elementary particle that is one of the six types, or flavors, of quarks that has an electric charge of +2/3 and participates in strong and electromagnetic interactions
魅夸克, 粲夸克
a chemical compound important for regulating pH balance, found in baking soda and crucial for bodily functions
碳酸氢钠, 重碳酸盐
having absorbed as much of a substance as possible at a given temperature, reaching its maximum concentration
饱和的, 饱和状态的
(of a solution) containing volatile or highly flammable substances, such as diethyl ether
乙醚的, 蒸发性的
describing chemical compounds that do not contain carbon-hydrogen bonds and are typically derived from minerals or non-living matter
无机的, 无机化合物的
refering to substances that have a pH greater than 7, indicating a basic or non-acidic nature
碱性的, 碱性
