Industrial production of kanten (the Japanese name for agar, which translates as “cold weather” or “frozen sky”) began in Japan in the mid-19th century by natural freeze drying, a technique that simultaneously dehydrates and purifies the agar. Seaweed is first washed and boiled to extract the agar, after which the solution is filtered and placed in boxes or trays at room temperature to congeal. The jelly is then cut into slabs called namaten, which can be further processed into noodle-like strips by pushing the slabs through a press. These noodles are finally spread out in layers onto reed mats and exposed to the sun and freezing temperatures for several weeks to yield purified agar. Although this traditional way of producing kanten is disappearing, even today’s industrial-scale manufacturing of agar relies on repeated cycles of boiling, freezing, and thawing.
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6月15日，林芳所在幼儿园以“隐瞒贫血病史”为由，正式通知解聘。林芳随即向海沧区教育局提请复核，并在海沧区教育局工作人员陪同下，再次前往厦门市中医院检查，血常规化验结果显示不贫血。28日，海沧区教育局作出维持解聘的决定，其依据为《福建省教师资格申请人员体检标准》中“血液系统疾病不合格”的相关条款。
phase[classno] = 2;