freeze drying

简明释义

冷冻干燥

英英释义

例句

1.Scientists often use freeze drying to preserve biological samples for research.

科学家们常常使用冷冻干燥来保存生物样本以供研究。

2.The process of freeze drying removes moisture from food, making it lightweight and easy to store.

这个冷冻干燥过程去除了食物中的水分，使其轻便且易于储存。

3.The freeze drying method helps maintain the flavor and nutrients in fruits and vegetables.

这种冷冻干燥方法有助于保持水果和蔬菜的风味和营养成分。

4.You can find many backpacking meals that are made using freeze drying techniques.

你可以找到许多使用冷冻干燥技术制作的背包旅行餐。

5.After freeze drying, the strawberries can be rehydrated and used in smoothies.

经过冷冻干燥后，草莓可以重新水化并用于奶昔中。

作文

Freeze drying, also known as lyophilization, is a preservation method that removes moisture from food or other substances while maintaining their structure and nutritional value. This process involves freezing the material and then reducing the surrounding pressure to allow the frozen water in the material to sublimate directly from ice to vapor. The result is a lightweight, shelf-stable product that retains its original flavor and texture. One of the most significant advantages of freeze drying (冷冻干燥) is that it helps preserve the nutrients in the food. Traditional drying methods often involve high temperatures that can destroy vitamins and minerals, but freeze drying (冷冻干燥) takes place at lower temperatures, thus minimizing nutrient loss. This makes it an ideal choice for preserving fruits, vegetables, and even meals for long-term storage. The process of freeze drying (冷冻干燥) is widely used in the food industry, especially for products like instant coffee, soups, and ready-to-eat meals. Additionally, it plays a crucial role in the pharmaceutical industry, where it is used to preserve vaccines and other sensitive biological materials. By removing moisture, freeze drying (冷冻干燥) extends the shelf life of these products, ensuring they remain effective and safe for consumption.Another important aspect of freeze drying (冷冻干燥) is its environmental impact. Unlike some other preservation methods that require the use of preservatives or chemicals, freeze drying (冷冻干燥) relies solely on the physical process of sublimation. This means that the final product is free from artificial additives, making it a healthier option for consumers. Furthermore, because freeze drying (冷冻干燥) creates lightweight products, it can reduce transportation costs and carbon emissions associated with shipping heavier items.Despite its many benefits, freeze drying (冷冻干燥) does have some drawbacks. The initial cost of the equipment required for freeze drying (冷冻干燥) can be quite high, which may deter small businesses from adopting this method. Additionally, the process can be time-consuming, requiring several hours to complete depending on the material being dried. However, for those who can invest in the technology, the advantages often outweigh the disadvantages.In conclusion, freeze drying (冷冻干燥) is a highly effective preservation technique that offers numerous benefits across various industries. By retaining the nutritional value and flavor of food, it provides a healthier alternative to traditional drying methods. Furthermore, its applications in pharmaceuticals demonstrate its versatility and importance in modern science. As more people become aware of the benefits of freeze drying (冷冻干燥), we can expect to see its usage continue to grow, leading to more innovative products and solutions in the future.