lead chamber 예문

예문

예문 더보기:   1  2  3

1. Prior to 1900, most sulfuric acid was manufactured by the lead chamber process.
2. It is widely produced with different methods, such as contact process, wet sulfuric acid process, lead chamber process and some other methods.
3. Later refinements to the lead chamber process by French chemist Joseph Louis Gay-Lussac and British chemist John Glover improved concentration to 78 %.
4. 1746 : A sulphuric acid factory is set up at Steelhouse Lane to use the lead chamber process invented by its co-founder John Roebuck.
5. After several refinements, this method, called the lead chamber process or " chamber process ", remained the standard for sulfuric acid production for almost two centuries.