Gunpowder是什么意思

用法例句

A method has been discribed for simultaneous determination of 11 elements (K,Ca,P,Mg,Mn, Fe,Zn, Cu, Co, Ni, Cr )in dragon-pearl tea by ICP-AES.

用ＩＣＰ－ＡＥＳ法同时测定龙珠茶中１１种元素（Ｋ，Ｃａ，Ｐ，Ｍｇ，Ｍｎ，Ｆｅ，Ｚｎ，Ｃｕ，Ｃｏ，Ｎｉ，Ｃｒ）。

The contents of inorganic nutritive ingredients and amino acids in dragon-pearl tea were analysed by using ICP and the analytical instrument of amino acids.

研究测定了龙珠茶的无机营养元素含量和氨基酸含量,结果表明:龙珠茶富含人体必需的无机营养元素,氨基酸含量较高、品种齐全,很有开发价值。