Agar is so critical that since WWII, scientists have tried to find alternatives in the event of a supply chain breakdown, especially as recent shortages have caused similar alarm. But while other colloid jellies have emerged, agar remains integral to laboratory protocols because no alternatives can yet compete on performance, cost, and ease of use.
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Цены на нефть взлетели до максимума за полгода17:55
Author(s): Seyed Mahdi Mastoor, Ayda Baghervand, Amirhossein Ahmadkhan Kordbacheh。爱思助手下载最新版本对此有专业解读