air elutriation

简明释义

风筛

英英释义

例句

1.During the air elutriation 气流洗脱 process, lighter materials are carried away by the air stream.

在气流洗脱 air elutriation 过程中，较轻的材料会被气流带走。

2.The process of air elutriation 气流洗脱 is commonly used in laboratories to separate fine particles from larger ones.

在实验室中，气流洗脱 air elutriation 的过程通常用于将细小颗粒与较大颗粒分离。

3.Researchers utilized air elutriation 气流洗脱 to enhance the purity of their mineral samples.

研究人员利用气流洗脱 air elutriation 提高了矿物样品的纯度。

4.In industrial applications, air elutriation 气流洗脱 can help in recycling materials by separating contaminants.

在工业应用中，气流洗脱 air elutriation 可以通过分离污染物来帮助回收材料。

5.The effectiveness of air elutriation 气流洗脱 depends on the size and density of the particles being separated.

在进行气流洗脱 air elutriation 时，其有效性取决于被分离颗粒的大小和密度。

作文

Air elutriation is a fascinating process that plays a significant role in various scientific and industrial applications. Essentially, air elutriation (空气洗涤) refers to the method of separating particles from a mixture by using air as a medium. This technique is particularly useful in the field of material science and environmental engineering, where it helps in the purification of substances and the recovery of valuable materials. Understanding the principles behind air elutriation can provide insights into its effectiveness and efficiency in different contexts.The process of air elutriation involves passing air through a column containing a mixture of particles. As the air flows upward, it creates a drag force that lifts lighter particles while allowing heavier particles to settle down. This separation mechanism relies on the differences in particle size, shape, and density. In practical applications, air elutriation is often used in the mining industry to separate valuable minerals from waste materials. By utilizing this method, companies can enhance their resource recovery rates while minimizing environmental impact.In addition to mining, air elutriation finds applications in the food industry, particularly in the processing of grains and seeds. For instance, when cleaning grains, air elutriation can effectively remove lighter impurities such as dust and chaff, ensuring that the final product is of high quality. This not only improves the aesthetic appeal of the grains but also enhances their market value. Furthermore, air elutriation is employed in the pharmaceutical industry for the separation of active ingredients from excipients, thereby ensuring the purity and efficacy of medications.One of the advantages of air elutriation is its relatively low energy consumption compared to other separation methods, such as centrifugation or filtration. Since air is readily available and does not require extensive processing, this technique can be more sustainable and cost-effective in the long run. Additionally, air elutriation can be easily scaled up or down depending on the specific requirements of a given application, making it a versatile choice for many industries.However, there are challenges associated with air elutriation. The efficiency of the separation process can be influenced by factors such as humidity, temperature, and the presence of moisture in the particles. Moreover, achieving optimal separation may require precise control over the airflow rate and particle feed rate, which can complicate the operational parameters. Researchers are continually exploring ways to enhance the performance of air elutriation systems by optimizing these variables and developing more sophisticated equipment.In conclusion, air elutriation (空气洗涤) is a valuable technique that serves multiple purposes across various industries. Its ability to efficiently separate particles based on their physical properties makes it an essential tool in material processing and environmental management. As technology advances, we can expect to see further improvements in the effectiveness and applicability of air elutriation, paving the way for innovations that contribute to sustainability and resource conservation.