超音波法液位元元元元元元测定 ultra-sonic method of liquid meaduremert
元素分布分析 Distribution analysis of elements
氮素分布特征 nitrogen distribution characteristics
Al元素分布 Al element distribution
Au元素分布 Au distribution
成矿元素分布 distribution of ore-forming elements
地壳元素分布 geochemical distribution pattern
分散元素分布规律 distribution pattern of disperse element
固溶元素分布 solute distribution
金属元素分布 distributions of metallic elements
矿质元素分布 distribution of mineral element; mineral elements
渗入元素分布 concentration profile
生命元素特征 benefical or harmful element
特征元素 Characteristic element; eigen elements; characteristic elements; typical element; special element; feature element
特征元素树 feature element tree
特征元素约束 restriction of characteristic element
微量元素特征 micro-element characteristics; trace element; trace elements; trace elements characteristics
稀土元素分布 rare-earth element distri bution
稀土元素分布模式 distribution patters of REE