The British weren’t alone in their hunt. Chileans, New Zealanders, and South Africans, among others, were also scrambling to source this strategic substance. A few months after the Pearl Harbor attack, the U.S. War Production Board restricted American civilian use of agar in jellies, desserts, and laxatives so that the military could source a larger supply; it considered agar a “critical war material” alongside copper, nickel, and rubber.1 Only Nazi Germany could rest easy, relying on stocks from its ally Japan, where agar seaweed grew in abundance, shipped through the Indian Ocean by submarine.2
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2021—2025 年度,全国披露研发人员的企业数量呈普遍增长的态势——在34 个省份中,仅青海有所减少。值得注意的是,云南、内蒙古和香港在入库企业数量减少的情况下,依然实现研发人员的逆势扩张。其中,香港(200.00%)、江西(57.69%)、安徽(53.04%)和江苏(50.21%)的五年增幅都超过50%,反映出企业科创活力的提升。
The German firm supplies about three-quarters of the bone cement needed in the NHS. The product is used in more than 1,000 operations a week, mostly in knee replacements, but also in some hip and shoulder replacements.