Lactobacillus is a type of bacteria. There are lots of different species of lactobacillus. These are friendly bacteria that normally live in our digestive, urinary, and genital systems without causing disease. Lactobacillus is also in some fermented foods like yogurt and in dietary supplements. Lactobacillus is used for treating and preventing diarrhea, including infectious types such as rotaviral diarrhea in children and traveler's diarrhea. It is also used to prevent and treat diarrhea associated with using antibiotics.
Streptozotocin or streptozocin (INN, USP) (STZ) is a naturally occurring chemical that is particularly toxic to the insulin-producing beta cells of the pancreas in mammals.
A: The STC rating is calculated in accordance with ASTM E413 (Originally published in 1970). It was created to provide a single number rating for interior building partitions that are subjected to noises from speech, television, radio, office equipment and other mid to high frequency noise sources.he higher the number, the better the noise isolation. The STC rating is calculated over the frequency range of 125 to 4000 hertz. The rating is calculated by comparing the measured sound transmission loss to a reference contour curve.