Hydrothermal Synthesis of KA1 ( OH ) _2CO_3 Powder
纳米片钠铝石结构KAl（OH）2CO3的水热合成
By using the far zone field strength , as well as the calculated formula of radiation resistance of the antenna can be got ( when ka1 ) .
同时利用远区场给出了该天线辐射电阻计算公式（当ka1时）。
ka1