solid carbon dioxide

简明释义

干冰

英英释义

例句

1.The special effects team used solid carbon dioxide to simulate smoke during the movie shoot.

特效团队在电影拍摄中使用固态二氧化碳模拟烟雾。

2.In the lab, we store samples in solid carbon dioxide to keep them frozen.

在实验室，我们将样品存放在固态二氧化碳中以保持其冷冻状态。

3.To cool the drinks quickly, we added solid carbon dioxide to the cooler.

为了快速冷却饮料，我们在冷却器中加入了固态二氧化碳。

4.The chef used solid carbon dioxide to create a fog effect for the dessert presentation.

厨师使用固态二氧化碳为甜点的展示创造了雾效。

5.During the experiment, we observed how 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。

作文

In the world of chemistry, various substances play crucial roles in our daily lives, and among them is a fascinating compound known as solid carbon dioxide. This remarkable substance, commonly referred to as dry ice, has unique properties that set it apart from regular ice made of water. Understanding solid carbon dioxide can help us appreciate its applications and significance in various fields, from food preservation to scientific research. Firstly, let’s explore what solid carbon dioxide actually is. It is the solid form of carbon dioxide (CO2), which exists at temperatures below -78.5 degrees Celsius (-109.3 degrees Fahrenheit). Unlike regular ice, solid carbon dioxide does not melt into a liquid when it warms up; instead, it sublimates directly into gas. This property makes it particularly useful in situations where moisture must be minimized. For instance, in the food industry, solid carbon dioxide is used to keep perishable items frozen during transportation and storage, ensuring they remain fresh and safe for consumption.Moreover, solid carbon dioxide is widely utilized in laboratories and medical settings. Its ability to create a cold environment quickly makes it an ideal choice for preserving biological samples or transporting sensitive materials that require low temperatures. Scientists often rely on solid carbon dioxide to maintain the integrity of their experiments, especially when working with temperature-sensitive compounds.Another interesting application of solid carbon dioxide is in the entertainment industry. It is frequently used to create fog effects for theatrical performances and concerts. The dense fog produced by sublimating solid carbon dioxide adds a dramatic atmosphere to shows, enhancing the visual experience for the audience. This captivating effect is achieved by mixing the gas with warm air, resulting in a thick, swirling mist that can transform any stage into a mystical setting.Furthermore, solid carbon dioxide serves as a powerful cleaning agent in a process known as dry ice blasting. This method involves propelling small pellets of solid carbon dioxide at high speeds to clean surfaces without leaving any residue. It is an environmentally friendly alternative to traditional cleaning methods that use harsh chemicals, making it a preferred choice for many industries, including manufacturing and food processing.Despite its many advantages, handling solid carbon dioxide requires caution. Due to its extremely low temperature, direct contact with skin can cause frostbite. Therefore, proper safety measures, such as using insulated gloves and goggles, are essential when working with this substance. Additionally, because solid carbon dioxide sublimates into carbon dioxide gas, adequate ventilation is necessary to prevent the buildup of gas in confined spaces, which can lead to asphyxiation.In conclusion, solid carbon dioxide is a versatile and valuable substance with a wide range of applications across various fields. From preserving food to creating theatrical effects, its unique properties make it an indispensable tool in modern society. As we continue to discover new uses for solid carbon dioxide, it is essential to understand both its benefits and the safety precautions required for its use. By doing so, we can harness the full potential of this remarkable compound while ensuring the safety of those who work with it. In summary, solid carbon dioxide is not just a scientific curiosity; it is a practical solution to many challenges we face today, demonstrating the incredible power of chemistry in our everyday lives.

在化学世界中，各种物质在我们的日常生活中发挥着至关重要的作用，其中一种引人入胜的化合物被称为固体二氧化碳。这种非凡的物质，通常被称为干冰，具有独特的性质，使其与普通的水冰截然不同。了解固体二氧化碳可以帮助我们欣赏它在食品保存、科学研究等各个领域的应用和重要性。首先，让我们探讨一下固体二氧化碳究竟是什么。它是二氧化碳（CO2）的固态形式，存在于低于-78.5摄氏度（-109.3华氏度）的温度下。与普通冰不同，固体二氧化碳在变暖时不会融化成液体，而是直接升华为气体。这一特性使得它在需要最小化湿气的情况下特别有用。例如，在食品行业，固体二氧化碳用于在运输和储存过程中保持易腐烂物品的冷冻状态，确保它们保持新鲜和安全供人食用。此外，固体二氧化碳广泛应用于实验室和医疗环境。它快速创造寒冷环境的能力使其成为保存生物样本或运输需要低温的敏感材料的理想选择。科学家们常常依靠固体二氧化碳来维护实验的完整性，尤其是在处理对温度敏感的化合物时。另一个有趣的应用是固体二氧化碳在娱乐行业中的使用。它常常用于创造戏剧表演和音乐会的雾效。通过升华的固体二氧化碳产生的浓雾为表演增添了戏剧性的氛围，增强了观众的视觉体验。这种迷人的效果是通过将气体与温暖的空气混合实现的，形成厚厚的、旋转的雾气，可以将任何舞台转变为神秘的场景。此外，固体二氧化碳作为一种强大的清洁剂，服务于一种称为干冰喷射的过程。这种方法涉及以高速推动小颗粒的固体二氧化碳来清洁表面，而不会留下任何残留物。它是一种环保的替代传统清洁方法的选择，后者使用强烈的化学品，因此成为许多行业的首选，包括制造业和食品加工。尽管具有许多优点，但处理固体二氧化碳时需要谨慎。由于其极低的温度，直接接触皮肤可能导致冻伤。因此，在使用这种物质时，采取适当的安全措施，如使用绝缘手套和护目镜，是必不可少的。此外，由于固体二氧化碳升华为二氧化碳气体，因此在封闭空间内必须保持良好的通风，以防止气体积聚，这可能导致窒息。总之，固体二氧化碳是一种多功能且有价值的物质，在各个领域有着广泛的应用。从保存食品到创造戏剧效果，其独特的性质使其成为现代社会中不可或缺的工具。随着我们继续发现固体二氧化碳的新用途，理解其好处和使用所需的安全预防措施至关重要。通过这样做，我们可以充分利用这一非凡化合物的潜力，同时确保与之共事的人的安全。总之，固体二氧化碳不仅仅是一个科学好奇心；它是我们今天面临的许多挑战的实用解决方案，展示了化学在我们日常生活中的巨大力量。