元素状态 meaning in English

elemental form
elementary state

The phase attribute of carbon element in the nano - graphite synthesized by detonation
爆轰法合成纳米石墨粉中的碳元素状态表征
The wear and corrosion resistance of ni - w , ni - w - b and ni - w - b - ptfe deposits were also tested by means of anodic polarization et al , xps and sem were used to study the appearance and state of the elements on the obtained deposit surface . the results are summarized as follows : a . electrodeposition of ni - w - b alloy and ni - w - b - ptfe composite coatings
应用阳极极化等实验方法对获得的ni - w - b - ptfe复合镀层和ni - w - b 、 ni - w合金镀层的耐磨性能和耐蚀性能进行比较，并运用xps和sem手段研究腐蚀前后获得的合金镀层和复合镀层的表面元素状态和镀层表面形貌。