Worldwide, cement production accounts for about 5 percent of all CO2 emissions related to human activity.
全世界范围内，所有人类活动造成的二氧化碳排放中，水泥生产要占到总排放量的5%。
The effect of activity components and initiator on cement property has been discussed.
研究了活性组分及少量的引气剂对水泥性能的影响。
Effects of the activity of ground-strontium slag as cement admixture were analyzed from three aspects: mortar strength value, compressive strength ratio of mortar and specific strength indicators.
分别从胶砂强度值、胶砂抗压强度比和比强度指标三方面分析磨细锶渣作为水泥掺合料的活性效应。
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