tetraoxide

The overseas field application shows that oil base muds with densities greater than 1.6 g/ cm3 have lower equivalent circulation density ( ECD) if manganese tetraoxide is used as the weighting agent, instead of barite.

国外现场应用表明，对于密度在1.6g/cm3以上的加重油基钻井液，用四氧化锰代替重晶石粉加重，能降低钻井液的当量循环密度。

In this paper, we describe the use of ruthenium tetraoxide ( RuO_4) as a staining agent for various saturated polymers for examination in the TEM.

本文系统地研究用四氧化钌（RuO4）作为各类饱和键高聚物材料的染色剂的染色条件和效果。

The microstructural morphology of SBR/ LDPE blends was studied by means of direct observation of cooling ultrathin sections under the transmission electron microscope using osmium tetraoxide staining.

采用冷冻超薄切片，四氧化锇染色制备样品，用透射电子显微镜观察，研究了丁苯橡胶/高压聚乙烯（SBR/LDPE）共混物的微观相结构形态。