Sieve residue意思

"Sieve residue" is a term used in various contexts, but it is most commonly associated with soil science, chemistry, and material processing. In these fields, it refers to the material that remains after a substance has been passed through a sieve or a series of sieves. A sieve is a device used to separate particles by size, typically made of wire mesh or perforated sheet metal.

In soil science, sieve residue refers to the portion of soil that does not pass through a specific sieve size during a soil texture analysis. This analysis is important for understanding the properties of soil, such as its fertility, water retention capacity, and suitability for different types of agriculture or construction.

In chemistry and material processing, sieve residue can refer to the solid particles that are too large to pass through a sieve, often during a purification or separation process. For example, in the pharmaceutical industry, sieves are used to separate active pharmaceutical ingredients (APIs) from excipients or to ensure that the final product meets a certain particle size distribution for optimal absorption or efficacy.

In the food industry, sieve residue might refer to the solid food particles that are retained on a sieve during processing, such as when making flour from grains or when sieving fruit pulp to remove seeds and skin.

The term "sieve residue" can also be used metaphorically to describe anything that is left over or not filtered out after a selection or screening process, although this usage is less common and more context-specific.