than gầy
Definition
- Noun:
- Lean coal / Non-caking coal: A type of bituminous coal with a low volatile matter content. It produces a short, clean flame and does not soften or cake when heated.
Usage Examples
- Noun:
- Than gầy thích hợp cho các lò công nghiệp cần nhiệt lượng cao. (Lean coal is suitable for industrial furnaces requiring high calorific value.)
- Loại than này là than gầy, nó cháy với ngọn lửa ngắn. (This coal is non-caking coal; it burns with a short flame.)
Advanced Usage
- In metallurgy, lean coal is often used as a component in coke blends because its low volatile content helps produce a stronger coke.
Variants and Related Words
- Than đá (n): Coal (general term).
- Than bùn (n): Peat.
- Than antraxit (n): Anthracite (a very hard coal with high carbon and low volatile content).
- Than mỡ (n): Caking coal / Fat coal (a type with higher volatile matter that softens and swells when heated).
Synonyms
- Non-caking coal
- Lean coal
- Hard coal (in specific technical contexts)
Related Terms
- Chất bốc (Volatile matter): The gaseous components released when coal is heated.
- Nhiệt lượng (Calorific value): The amount of heat released during combustion.