Is a quick water-soluble nitrogen, nitrogen content above 21.0%.
是一种水溶性速效氮肥，氮含量在21.0%以上。
This article introduces the technique of producing quick-dissolving health care tea which is chisty tea. Microwave extraction method is used to extract water-soluble substance.
采用微波法以茶叶末为原料制备速溶茶粉，提取茶叶末中水溶性物质并进行调配。
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