TDW - Total Diamond Weight. A term usually used when there is more than one diamond in a particular piece of jewelry. The combined weight of all of the (diamond) stones.
LevsinÂ®/SL tablets (hyoscyamine sulfate tablets USP) contain 0.125 mg hyoscyamine sulfate formulated for sublingual administration. However, the tablets may be chewed or taken orally. LevsinÂ®/SL (hyoscyamine sulfate tablets) is one of the principal anticholinergic/antispasmodic components of belladonna alkaloids. The empirical formula is (C17H23NO3)2â¢H2SO4â¢2H2O and the molecular weight is 712.85.
So specifically, a levain refers to a mixture of sourdough starter, plus flour, plus water (and sometimes plus salt). This mixture is left to proof from somewhere between 4 and 24 hours typically, and then mixed into more flour, water and salt to make a whole loaf.evain is made from wild yeast. It is sourdough starter. And as such, it's a preferment, but the inverse is not true, not all preferments are levain. Other preferments use commercial yeast.