采用调查研究与化学分析相结合的方法，对设施农田土壤生态环境恶化的原因进行了初步研究。
Through field investigation and chemical analysis, the reasons why soil ecological environment deteriorated on facility farmland were studied.
本文采取地质研究、地球化学分析测试与物理模拟实验相结合的方法，研究了东营凹陷下第三系烃源岩排烃机理。
On the basis of geological analysis, geochemical detection and simulation experiments, the hydrocarbon expulsion mechanisms of the Low Tertiary source rocks were studied in the Dongying Depression.
<正>将液相微萃取与循环伏安法相结合，建立了痕量溴的电化学分析的新方法。
The electrochemical properties of those compounds were studied by the cyclic voltammetry method.
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