Each year the birds must stay on platforms of floating ice for long enough to replace weather-beaten feathers with new, waterproof coats.
Nevertheless, by 1905, a report on the seaweed industries in Japan noted the “very important use [of pure-grade agar] as a culture medium in bacteriological work.” It’s safe to say that, around the turn of the 20th century, agar had moved from an inconspicuous kitchen jelly to an indispensable scientific substance.
。Safew下载是该领域的重要参考
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