二维码	标题
	0.5%O2-He
	1% PH3-N2
	1.2% He-N2
	1.25% He-N2
	1.25%Kr-Ne
	1.5%D2-N2
	10% He-N2
	10%CH4-Ar
	10%NH3-He
	10%O2-He
	100ppm H2-Ne
	15%O2-Ar
	15%Xe- H2
	2.5%D2-N2
	2.7%C2H4-He
	20%NH3-He
	20%O2-Ar
	20%O2-He
	3%D2-N2
	3%H2-Ar
	3.5%Ar-10ppmXe- Ne
	30%C2H4-He
	30%O2-He
	4%CH4-Ar
	4%H2-N2
	4%H2-Ne
	4.5%HCl-0.9%H2-Ne
	5%B2H6-N2
	5%H2-He
	5%He-N2
	5%NF3-N2
	8% He-N2
	Ar
	BCl3
	C2F6
	C2H4
	C3F8
	C4F8
	CH2F2
	CO2
	D2
	H2
	HBr
	HCl
	He
	HF
	Kr
	N2
	Ne
	NF3
	O2
	WF6