precooling

简明释义

英[priːˈkuːlɪŋ]美[priˈkulɪŋ]

v. 预冷却（precool 的现在分词）

英英释义

单词用法

同义词

反义词

例句

1.The precooling room and warehouses were not completed until about 8 months after the laboratory was occupied.

预冷室和仓库直到实验室被占用后8个月才完成。

2.To two different precooling rate, the differences of the moving of sublimation interface were compared.

针对两种不同的预冷速率，比较了升华界面移动的不同。

3.The air conditioning energy consumption can be decreased by the waste heat of exhaust air recovered preheating or precooling the fresh air drawn in air conditioning system.

通过回收排气中的余热对引入空调系统的新风进行预热或者预冷，可以减少空调系统的能耗。

4.Cryogenic high-pressure vessel wound by flat metal strip with a liquid nitrogen precooling jacket is a new fashion adiabatic equipment, which consists of inter vessel and outer vessel.

扁平绕带式低温高压容器是一种新型低温液体贮存设备，由内外两层容器组成，内筒体的外壁焊有液氮预冷夹套。

5.In order to save energy, when refrigeration system using water frozen water units + free cooling system, have refrigeration, precooling, free cooling three operating mode.

为了节约能源，当制冷系统采用水冷冷冻水机组+自由冷却系统时，有制冷、预冷、自由冷却三种运行模式。

6.Effect on engine performance of precooling was calculated to analyze the feasibility of the two methods on the assumption that the precooling effectiveness can achieve the anticipated value.

在预冷换热效果能实现设定数值的假设前提下，计算了预冷换热对发动机性能的影响，对两种途径的可行性进行了分析。

7.The conclusion and rule is helpful to precooling plan and saving time in the voyage.

本研究对船舶实际航行中的预冷计划和节约预冷时间具有指导意义。

8.The paper describes the different processes relating to air precooling systems and cooling towers of spray type, perforated plate type and packed type with their advantages and deficiencies analyzed.

介绍了空气预冷系统的不同流程以及喷淋式、塔板式、填料式冷却塔，分析了其优缺点；

9.To improve efficiency, the factory implemented a precooling system that reduces the temperature of materials before processing.

为了提高效率，工厂实施了一个预冷系统，在加工之前降低材料的温度。

10.The chef used precooling techniques to ensure the ingredients remained fresh during the preparation process.

厨师使用预冷技术确保在准备过程中食材保持新鲜。

11.In the summer, precooling your home can significantly reduce energy costs.

在夏天，预冷你的家可以显著降低能源费用。

12.The research team studied the effects of precooling on the shelf life of fruits and vegetables.

研究小组研究了预冷对水果和蔬菜保质期的影响。

13.Our HVAC system includes a precooling feature that helps maintain optimal indoor temperatures.

我们的暖通空调系统包括一个预冷功能，有助于维持最佳室内温度。

作文

The concept of precooling is becoming increasingly relevant in various industries, particularly in agriculture and food processing. Precooling refers to the process of lowering the temperature of a product before it is stored or transported. This technique is essential for preserving the quality and extending the shelf life of perishable goods. For instance, fruits and vegetables are often subjected to precooling immediately after harvest to remove field heat and slow down the ripening process. By doing so, the products maintain their freshness and nutritional value for a longer duration. In the context of the food supply chain, precooling plays a critical role. After harvesting, produce can quickly lose its quality if not handled properly. The application of precooling systems helps to minimize this loss by rapidly cooling the items to their optimal storage temperatures. Various methods of precooling exist, including hydrocooling, vacuum cooling, and forced-air cooling. Each method has its advantages and can be chosen based on the type of product being processed. Hydrocooling involves immersing the produce in cold water, which effectively removes heat. This method is particularly effective for leafy greens and berries. On the other hand, vacuum cooling is used for products with high moisture content, such as mushrooms and baked goods. It works by reducing the pressure around the product, allowing for rapid evaporation of moisture, which cools the item quickly. Forced-air cooling, commonly used for bulk shipments, circulates cold air around the produce to lower the temperature efficiently. Implementing precooling techniques not only ensures better quality but also reduces waste. In a world where food waste is a significant concern, precooling presents a viable solution to prolong the life of fresh produce. Moreover, it allows for longer transportation times, enabling farmers to reach distant markets without compromising the quality of their products. This is particularly important in global trade, where perishables must travel long distances. Beyond agriculture, precooling is also relevant in the beverage industry. For example, beer and soft drinks are often precooling before packaging to ensure they are at the right temperature when they reach consumers. This enhances the drinking experience and maintains the quality of the beverages. Similarly, in the pharmaceutical sector, precooling is crucial for maintaining the efficacy of temperature-sensitive medications during transport. In conclusion, precooling is an essential process that impacts various sectors, especially agriculture and food distribution. It serves to preserve the quality of perishable goods, reduce waste, and enhance consumer satisfaction. As industries continue to evolve and face challenges related to sustainability and efficiency, the importance of precooling will only grow. Understanding and implementing effective precooling strategies can lead to better outcomes for producers, consumers, and the environment alike.

“预冷”这个概念在农业和食品加工等各个行业中变得越来越相关。“预冷”指的是在储存或运输之前降低产品温度的过程。这种技术对于保持易腐烂商品的质量和延长保质期至关重要。例如，水果和蔬菜在收获后通常会立即进行“预冷”，以去除田间热量并减缓成熟过程。通过这样做，产品能够保持新鲜和营养价值更长时间。 在食品供应链的背景下，“预冷”发挥着关键作用。收获后，如果处理不当，农产品很快就会失去其质量。实施“预冷”系统有助于通过迅速将物品降温到最佳储存温度来最小化这种损失。存在多种“预冷”方法，包括水冷、真空冷却和强制空气冷却。每种方法都有其优点，可以根据所处理的产品类型进行选择。 水冷涉及将农产品浸入冷水中，这有效地去除了热量。这种方法对于绿叶蔬菜和浆果特别有效。另一方面，真空冷却用于含水量高的产品，如蘑菇和烘焙食品。它通过降低产品周围的压力，使水分迅速蒸发，从而快速冷却物品。强制空气冷却通常用于大宗运输，通过在农产品周围循环冷空气来有效降低温度。 实施“预冷”技术不仅确保了更好的质量，还减少了浪费。在一个食品浪费问题严重的世界里，“预冷”提供了一种可行的解决方案，以延长新鲜农产品的使用寿命。此外，它允许更长的运输时间，使农民能够在不影响产品质量的情况下进入遥远的市场。这在全球贸易中特别重要，因为易腐烂的商品必须经历长途运输。 除了农业，“预冷”在饮料行业也很相关。例如，啤酒和软饮料在包装前通常会进行“预冷”，以确保它们在到达消费者时处于适当的温度。这增强了饮用体验并保持了饮料的质量。同样，在制药行业，“预冷”对于在运输过程中保持温度敏感药物的有效性至关重要。 总之，“预冷”是一个影响多个行业，尤其是农业和食品分配的重要过程。它有助于保持易腐烂商品的质量、减少浪费并提高消费者满意度。随着行业的不断发展和面临可持续性和效率相关的挑战，“预冷”的重要性只会增加。理解和实施有效的“预冷”策略可以为生产者、消费者和环境带来更好的结果。