helium survey

用法例句

The results show that soil helium measurement can be applied to explore pirmary gold ore and divide geologic structural unit.

分析了原生金矿控矿构造上方土壤中高氦异常及不同地质构造单元上方氦的分带性；说明了应用氦法勘查原生金矿与划分地质构造单元的依据，并用实例证实了土壤氦气测量方法在这两方面的应用效

Using direct current-magnetron sputtering,He-Ti films with different He contents were prepared with various substrate temperatures and the helium contents in sputter gas.

采用直流磁控溅射方法,通过分别改变衬底温度及He分压来制备不同氦含量的钛膜。

In the article,the relationship between the Helium content of the observational wells in Heilongjiang Province,Shandong Province and Yunnan Province with earthquakes is presented.

阐述了黑龙江省林甸观测井、山东省聊城聊古一井和云南省开远观测井观测到的氦含量变化与周围发生的中强地震的关系。