than sàng
Definition
- Noun:
- Screened coal / Sized coal: Coal that has been processed through a screen or sieve to separate it into pieces of a uniform, specific size. This classification is important for industrial use, as consistent size allows for more efficient and controlled burning.
- Graded coal: Coal sorted by size grade, often for specific commercial or industrial applications, such as use in certain types of furnaces or for export.
Usage Examples
- Noun:
- Nhà máy nhiệt điện này sử dụng than sàng cỡ hạt 5-10mm. (This thermal power plant uses screened coal with a grain size of 5-10mm.)
- Giá than sàng thường cao hơn than thô. (The price of graded coal is usually higher than that of raw coal.)
- Than sàng loại này rất phù hợp cho lò hơi công nghiệp. (This type of sized coal is very suitable for industrial boilers.)
Advanced Usage
- The term is primarily technical and industrial. It specifies a product category in the coal mining and energy sectors, distinguishing processed coal from raw, unsorted coal (than thô) or other forms like coal dust (than bột) or lump coal (than cục).
Variants and Related Words
- Than cục (n): Lump coal; larger pieces of coal.
- Than bột (n): Coal dust; fine, powdered coal.
- Than thô (n): Raw coal; unprocessed, unsorted coal.
Synonyms
- Graded coal
- Sized coal
- Screened coal
Notes on Usage
- "Than sàng" is a compound noun where "than" means "coal" and "sàng" means "to screen" or "sieve." As a single lexical unit, it refers specifically to the processed product.
- It is not typically used in everyday conversation but is common in industrial, commercial, and technical contexts related to mining, energy, and heavy machinery.