Then there are energy products like gas turbines for power plants made by General Electric, computer chips from Intel and fighter jets from Lockheed Martin.
The acids in the food begin to attack and dissolve the metal lining of the can, and one of the by-products of this chemical reaction is hydrogen gas.
食品中的酸性物质开始溶解罐的金属内层，这种化学反应会产生氢气。
3
The gas chromatographic analysis methods of C5 fraction and its products were optimized by using self-made SE-30 capillary columns of different film thicknesses.