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1. Chemistry: In chemistry, 溶解 (róngjiě) refers to the process of dissolving a solid, liquid, or gas into a liquid solvent. This is a physical change in which the solute particles become dispersed and evenly distributed throughout the solvent, forming a homogeneous mixture. For example, when sugar (solute) is added to water (solvent), it dissolves and forms a sugar solution.
2. Metallurgy: In metallurgy, 溶解 (róngjiě) is used to describe the process of melting a metal or alloy in order to extract it from its ore or to combine it with other metals to form an alloy. This process is also known as smelting.
3. Environmental Science: In environmental science, 溶解 (róngjiě) is used to describe the process of pollutants dissolving in water, such as acid rain dissolving in lakes and rivers, or chemicals dissolving in groundwater.
4. Medicine: In medicine, 溶解 (róngjiě) is used to describe the process of a medication dissolving in the body, such as a pill dissolving in the stomach or a cream dissolving into the skin.
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1. 融化 (róng huà) - This word also means "to melt" or "to dissolve," but it specifically refers to the process of a solid turning into a liquid due to heat. It can also be used figuratively to describe someone's heart melting or softening.
2. 溶化 (róng huà) - This word is similar to 融化, but it specifically refers to the process of a solid substance dissolving into a liquid. It is often used in scientific or chemical contexts.
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In conversation, 溶解 (róngjiě) is commonly used to describe the process of a solid substance dissolving or melting into a liquid. It can also be used to describe the action of a liquid dissolving or melting another substance.
For example, you may hear someone say "这种药片可以溶解在水中" (zhè zhǒng yào piàn kěyǐ róngjiě zài shuǐ zhōng), meaning "These pills can dissolve in water." This could be used in a medical context, such as discussing the proper way to take medication.
Another common usage is in chemistry, where 溶解 (róngjiě) is used to describe the process of a solute dissolving in a solvent. For instance, you may hear someone say "这种盐可以溶解在水中" (zhè zhǒng yán kěyǐ róngjiě zài shuǐ zhōng), meaning "This type of salt can dissolve in water."
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