The plate is enriched in U and Th revealed by Pb-isotopic study, which plays an role of essential prerequisite for the formation of U province.
铅同位素研究揭示，该板块富铀、钍，从而为铀矿省的形成提供了必不可少的地质前提。
The present study has discovered th at soil texture had a great effect on bacterial wilt occurrence of tomato.
采用盆栽试验方法，研究了不同质地土壤条件下番茄青枯病的发生情况和土壤微生物的特征。
Objective To study the polarization and immune regulation of TH cells in patients with bronchial asthma.
目的研究支气管哮喘患者TH细胞的极化状态与免疫调控。
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