Ultimately, cyclopentadecanolide(1) was derived from 7 through intramolecular cyclization in high temperature and vacuum, with K2CO3 as reagent. The yield was 20%.
7在碳酸钾作用下,高温减压条件下环化,蒸馏得到最终产品——环十五内酯(1),产率20%。
参考来源 - 环十五内酯的制备工艺·2,447,543篇论文数据，部分数据来源于NoteExpress
Absorption and desorption characteristics of improved thermal K2CO3 solution absorbing CO2 were studied in a small static test device.
在小型静态实验装置上研究了改良热k2co3溶液对CO2的吸收和解吸特性。
Potash:Name used for various inorganic compounds of potassium, chiefly the carbonate (K2CO3), a white crystalline material formerly obtained from wood ashes.
钾碱：泛指钾的各种化合物。主要指碳酸盐（K2CO3），呈白色晶体，以前从木材的灰烬中提。
K2CO3 was added to the natural water sample for preprocessing, and the main interfering elements, i. e. calcium and magnesium, could then be conveniently separated from lithium.
在天然水样中加入碳酸钾进行预处理，方便地分离了锂的主要干扰元素钙和镁。
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