买好

The packing gland is stainless steel for corrosion protection or coated carbon steel for noncorrosive service.

对于耐腐蚀应用，其填料函材质是不锈钢；对于无腐蚀性应用，则填料函材质为涂层碳钢。

The strain could denitrify sodium nitrate in aerobic environment and nitrify in the culture media with sodium acetate as carbon source and ammonium sulfate as nitrogen source , as well as acetamide as the sole carbon and nitrogen sources .

该菌株以硝酸钠为氮源时能进行好氧反硝化作用；以乙酸钠和硫酸铵分别为碳源和氮源能进行异养硝化作用，能以乙酰胺为唯一碳源和氮源进行生长。