来源 :Women of China | 被引量 : [!--cite_num--]次 | 上传用户:[!--user--]
【摘 要】
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Seal knobs are three-dimensional displays of traditional Chinese painting. Carved with figures, landscapes, fish, insects, flowers and birds, seal knobs are a
Ordinary portland cement (OPC) is prone to react with water, even upon premature contact as may occur during storage or handling.Such contact with water, in
Alite-yeelimite cement has excellent performance that combines desirable characteristics of calcium sulfoaluminate cements and Portland cement.In this study
Oxide compounds are included in all types of cements which to be most important in practice.That is why a great attention is paid to studying the features d
Starting from the year 2008,the southern Yellow Sea of China has been suffering from large macroalgal blooms,which have caused great economic losses and the det
The chemical reactions necessary for manufacturing cement clinker are complex and not entirely understood in detail.The possibility to make experimental mea