Spectinomycin is a kind of antibiotics with alkalescence and water - solubility . It is also called actinospectacin.大观霉素(spectinomycin)又称奇放线菌素或壮观菌素(actinospectacin),是一种碱性 水溶性 抗生素....
Citric acid can be extracted from the juice of oranges, lemons, limes or grapefruit.柠檬酸可以从橙汁、柠檬汁、酸橙汁或者柚子汁中提取。This compartment contains citric acid at a concentration up to 24 times higher than the cytoplasm.这种间隔中所含柠檬酸浓度比...