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		内蒙古巴彦淖尔市临河区富硒耕地硒形态特征及其影响因素
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			Speciation of selenium in the selenium-rich cultivated land in Linhe District, Bayannur City, Inner Mongolia and its influencing factors
			 
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		 图7. 25 ℃、1 atm下硒的Eh-pH图[  | 
	
Fig.7. Eh-pH of selenium at 25 ℃ and 1 atm pressure  | 
	
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