Used for corundum bricks, mullite bricks, silicate bricks masonry in blast furnaces, hot air stoves.用于高炉 、 热风炉砌筑刚玉砖、莫来石砖 、 硅线石砖 、 低蠕变高铝砖.It is considered that the deposit is an anatectic migmatite corundum deposit.研究认为,本...
Used for corundum bricks, mullite bricks, silicate bricks masonry in blast furnaces, hot air stoves.用于高炉 、 热风炉砌筑刚玉砖、莫来石砖 、 硅线石砖 、 低蠕变高铝砖.Hardness than corundum, abrasive easily broken, sharp edges and corners, good cutti...
腐殖酸通常被看作是芳烃化合物的聚合物.Humic acids are usually regarded as polymers of aromatic compounds.科学家们培殖了大量的普通霉.Scientists grow large quantities of common mould.腐殖化过程与分解过程均受到抑制.Both humification and decomposition are impeded....