通用汽车公司Dexron-Ⅵ汽车自动传动液于2007年5月中旬获认证许可。通用汽车公司于2005年4月推出商品名为Dexron-Ⅵ的汽车自动传动......

Taking a wide view of cases of quality complaints in recent years, it is less difficult for us to find a problem, that i......

The anaerobic ammonium oxidizing (anammox) process has been found to play an important role in terrestrial ecosystems in......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

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Metalloproteinases have a critical role in a broad spectrum of cellular processes ranging from the break-down of extrace......