dry ice

简明释义

干冰

英英释义

Dry ice is the solid form of carbon dioxide (CO2) that sublimates at -78.5 degrees Celsius (-109.3 degrees Fahrenheit), used primarily as a refrigerant.

干冰是二氧化碳(CO2)的固态形式,升华温度为-78.5摄氏度(-109.3华氏度),主要用作制冷剂。

例句

1.We used dry ice to keep the food frozen during the long trip.

我们使用干冰在长途旅行中保持食物冷冻。

2.When shipping perishable items, companies often utilize dry ice for preservation.

在运输易腐烂的物品时,公司通常使用干冰进行保鲜。

3.The science experiment involved creating fog using dry ice and water.

这个科学实验涉及使用干冰和水制造雾气。

4.To create a spooky effect, they used dry ice in the Halloween decorations.

为了营造恐怖效果,他们在万圣节装饰中使用了干冰

5.At the party, we had a cooler filled with dry ice for chilling drinks.

在聚会上,我们有一个装满干冰的冷却器来冷却饮料。

作文

Dry ice, which is the solid form of carbon dioxide (CO2), has become increasingly popular in various industries due to its unique properties. Unlike regular ice made from water, dry ice 干冰 sublimates at a temperature of -78.5 degrees Celsius (-109.3 degrees Fahrenheit), meaning it transitions directly from a solid to a gas without becoming liquid. This characteristic makes dry ice 干冰 an excellent cooling agent for transporting perishable goods, such as food and pharmaceuticals, over long distances.One of the most notable applications of dry ice 干冰 is in the food industry. When shipping frozen foods, it is crucial to maintain a low temperature to prevent spoilage. Traditional ice can melt and create water, which can lead to soggy packaging and compromised product quality. In contrast, dry ice 干冰 does not produce any liquid, allowing for a dry and stable environment during transport. This property is particularly beneficial for businesses that rely on maintaining the integrity of their products, such as seafood suppliers and frozen meal manufacturers.Moreover, dry ice 干冰 is widely used in the laboratory and medical fields. It is often employed to keep samples frozen during transportation or storage. For instance, biological samples, vaccines, and other sensitive materials require strict temperature control to preserve their efficacy. By using dry ice 干冰, researchers and healthcare professionals can ensure that these critical items remain at the appropriate temperature until they reach their destination.Another fascinating application of dry ice 干冰 is in theatrical productions and special effects. The sublimation of dry ice 干冰 produces a dense fog that can create an atmospheric effect on stage. This fog is often used in concerts, movies, and Halloween events, adding a dramatic flair to performances. The ability to control the amount of fog generated by dry ice 干冰 allows artists to enhance their visual storytelling effectively.However, while dry ice 干冰 has many advantages, it is essential to handle it with care. Due to its extremely low temperature, direct contact with skin can cause frostbite. Additionally, when dry ice 干冰 sublimates, it releases carbon dioxide gas, which can displace oxygen in enclosed spaces, leading to potential suffocation hazards. Therefore, it is crucial to use dry ice 干冰 in well-ventilated areas and to wear protective gloves when handling it.In conclusion, dry ice 干冰 is a versatile substance with a wide range of applications across various industries. Its unique properties make it an invaluable tool for preserving perishable goods, facilitating scientific research, and creating captivating visual effects. As we continue to explore innovative uses for dry ice 干冰, it is imperative to prioritize safety and proper handling to maximize its benefits while minimizing risks.