Shanghai Metro, China. The 468km network of the Shanghai Metro makes it the world's second longest. Shanghai Metro is the third rapid transit system in Mainland China, after Beijing and Tianjin. Shanghai Shentong Metro operates the network through its four subdivisions.
fermentation. n. 1. (Biochemistry) a chemical reaction in which a ferment causes an organic molecule to split into simpler substances, esp the anaerobic conversion of sugar to ethyl alcohol by yeast. Also called: ferment.
When they are named, terms include bulk fermentation, first rise, second rise, final proof and shaped proof. Proofing yeast (as opposed to proofing the shaped bread dough) refers to the process of first dissolving yeast in warm water, a needed hydration step when using active dry yeast.