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