结果表明：添加金属钌和锡均降低了催化剂耦合甲烷部分氧化与二氧化碳重整的活性和稳定性。
It was found that doped Ru and Sn both decreased the activity and stability of the catalysts.
不论在过去还是在今后相当长的一段时间内，云南锡产业均将在全球锡行业中具有举足轻重的地位。
No matter or in quite a long time in the future, the tin industry of Yunnan will have very important positions in the tin trade in the world in the past.
实验结果表明：猪油样品中均含有二甲基锡，多数样品中还含有三甲基锡和一甲基锡。
Experimental results identified that all lard samples contain dimethyltin compound and most of these samples contain tri-and monomethyltin compounds.
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