solid carbon dioxide

简明释义

固体二氧化碳

英英释义

例句

1.During the experiment, we observed that solid carbon dioxide sublimates at room temperature.

在实验过程中，我们观察到固态二氧化碳在室温下升华。

2.To keep the samples frozen during transport, we used solid carbon dioxide.

为了在运输过程中保持样品冷冻，我们使用了固态二氧化碳。

3.When making ice cream, solid carbon dioxide can be used to achieve a smoother texture.

在制作冰淇淋时，可以使用固态二氧化碳来获得更顺滑的质地。

4.The laboratory technician demonstrated how to handle solid carbon dioxide safely.

实验室技术员演示了如何安全处理固态二氧化碳。

5.In the food industry, solid carbon dioxide is often used for flash freezing products.

在食品工业中，固态二氧化碳通常用于快速冷冻产品。

作文

The world of science and chemistry is filled with fascinating substances, one of which is solid carbon dioxide. This intriguing material, commonly known as dry ice, is the solid form of carbon dioxide (CO2) and has unique properties that make it valuable in various applications. Understanding solid carbon dioxide can provide insights into its uses, benefits, and the science behind its formation.Firstly, solid carbon dioxide is created by compressing and cooling gaseous carbon dioxide to a temperature below its sublimation point, which is approximately -78.5 degrees Celsius. At this temperature, carbon dioxide transitions from a gas directly into a solid without passing through a liquid phase. This process is known as sublimation, and it is one of the key characteristics that make solid carbon dioxide so unique. Unlike regular ice made from water, which melts into a liquid state, solid carbon dioxide sublimates back into gas when exposed to higher temperatures.One of the most common uses of solid carbon dioxide is in the food industry. It is often used for refrigeration and freezing purposes because it can maintain low temperatures for extended periods. For example, during transportation of perishable goods such as ice cream, seafood, or meat, solid carbon dioxide is utilized to keep these items frozen and safe for consumption. The ability of solid carbon dioxide to maintain low temperatures without leaving any liquid residue makes it an ideal choice for preserving food quality during transit.Moreover, solid carbon dioxide is also widely used in special effects for theatrical productions and film. When solid carbon dioxide is placed in warm water, it produces a dense fog that creates an ethereal atmosphere on stage or in movies. This effect is popular in haunted houses, concerts, and other events where a dramatic ambiance is desired. The fog produced by solid carbon dioxide adds a visual element that enhances the overall experience for the audience, making it a valuable tool for entertainers.In addition to its uses in food preservation and entertainment, solid carbon dioxide has applications in scientific research and laboratories. It is often used as a refrigerant for biological samples, helping to preserve their integrity during experiments. Researchers rely on solid carbon dioxide to keep sensitive materials at low temperatures, ensuring accurate results in their studies. Its effectiveness in maintaining cold conditions makes it an indispensable resource in many scientific fields.However, while solid carbon dioxide has numerous benefits, it is essential to handle it with care. Due to its extremely low temperatures, direct contact with skin can cause frostbite or burns. Additionally, when solid carbon dioxide sublimates, it releases carbon dioxide gas, which can displace oxygen in confined spaces, leading to suffocation risks. Therefore, proper safety measures should always be in place when working with this substance.In conclusion, solid carbon dioxide is a remarkable substance with diverse applications ranging from food preservation to creating special effects in entertainment. Its unique properties, such as sublimation and low-temperature maintenance, make it a valuable material in various industries. However, it is crucial to treat solid carbon dioxide with respect and caution to ensure safety. Understanding the science and practical uses of solid carbon dioxide opens up a world of possibilities in both everyday life and specialized fields.

科学和化学的世界充满了迷人的物质，其中之一就是固态二氧化碳。这种引人入胜的材料，通常被称为干冰，是二氧化碳（CO2）的固体形式，具有独特的性质，使其在各种应用中非常有价值。理解固态二氧化碳可以深入了解其用途、好处以及其形成背后的科学。首先，固态二氧化碳是通过压缩和冷却气态二氧化碳到其升华点以下的温度（约-78.5摄氏度）来创造的。在这个温度下，二氧化碳直接从气体转变为固体，而不经过液体阶段。这个过程被称为升华，这是使固态二氧化碳如此独特的关键特征之一。与水制成的普通冰不同，普通冰在融化时会变成液态，而固态二氧化碳在暴露于高温时则会升华回气体。固态二氧化碳最常见的用途之一是在食品行业。由于它可以在较长时间内保持低温，因此常用于冷藏和冷冻目的。例如，在运输易腐烂的商品如冰淇淋、海鲜或肉类时，固态二氧化碳被用来保持这些物品的冷冻状态，确保其安全食用。固态二氧化碳能够在不留下任何液体残留物的情况下维持低温，使其成为在运输过程中保护食品质量的理想选择。此外，固态二氧化碳还广泛应用于戏剧制作和电影的特效。当固态二氧化碳放入温水中时，会产生浓密的雾气，为舞台或电影创造出一种空灵的氛围。这种效果在鬼屋、音乐会和其他需要戏剧性氛围的活动中非常受欢迎。由固态二氧化碳产生的雾气增加了视觉元素，增强了观众的整体体验，使其成为娱乐工作者的宝贵工具。除了在食品保存和娱乐中的应用外，固态二氧化碳还在科学研究和实验室中发挥作用。它常被用作生物样本的制冷剂，帮助在实验过程中保持其完整性。研究人员依赖固态二氧化碳将敏感材料保持在低温下，确保他们研究结果的准确性。它在维持寒冷条件方面的有效性使其在许多科学领域成为不可或缺的资源。然而，虽然固态二氧化碳有许多好处，但必须小心处理。由于其极低的温度，直接接触皮肤可能导致冻伤或烧伤。此外，当固态二氧化碳升华时，会释放二氧化碳气体，这可能在封闭空间中取代氧气，导致窒息风险。因此，在使用这种物质时，始终应采取适当的安全措施。总之，固态二氧化碳是一种了不起的物质，具有多种应用，从食品保存到创造娱乐中的特效。其独特的性质，如升华和低温维持，使其在各个行业中成为一种有价值的材料。然而，必须尊重并谨慎对待固态二氧化碳以确保安全。理解固态二氧化碳的科学和实际用途为日常生活和专业领域打开了一扇可能性的大门。