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Hace 11 horas · 1848 - Louis Pasteur discovered that sodium ammonium tartrate can crystallize in left- and right-handed forms and showed that the two forms can rotate polarized light in opposite directions. This was the first demonstration of molecular chirality , and also the first explanation of isomerism .
Hace 11 horas · Mastitis-causing bacteria can establish persistent infections in the mammary glands of commercially important dairy animals despite the presence of strong specific humoral and cellular immune mechanisms. We investigated the effect of vitamin D3 in the diet at a set level, but in two different forms (i.e., unencapsulated and encapsulated by complex coacervation with sulfur-saturated bovine ...
Hace 11 horas · Amol (Persian: آمل; pronunciation ⓘ) is a city in the Central District of Amol County, Mazandaran province, Iran, serving as capital of both the county and the district.. Amol is located on the Haraz River bank. It is less than 20 kilometres (12 mi) south of the Caspian Sea and less than 10 kilometres (6.2 mi) north of the Alborz mountains. . It is 180 kilometres (110 mi) from Tehran, and ...
