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- In this paper, the early hydration processes of cement pastes including various contents of coal stone were studied by alternating current impedance spectroscopy. 摘要采用交流阻抗谱方法对掺加不同量煤矸石的水泥浆体的早期水化过程进行了研究。
- Value of fractal dimension (D) which can be used to describe the pore structure of hardened cement pastes decreased with the prolongation of hydration but increased with the augment of coal stone. 分形维数值随著水化龄期的延长而减小，但随著煤矸石掺量的增大而增大。其可以用来表徵硬化水泥浆体的孔隙结构特徵。
- NOISE TREATMENT IN COAL STONE SEPARATION 矸石脱介筛降噪治理
- About the production of coal stone hollow-brick 浅谈生产煤矸石空心砖
- Development of Vanadium Extraction from Coal Stone 石煤提钒在湖南的发展
- Noise treatment in the coal stone separation technique 矸石脱介工艺噪声治理的研究
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Resin concrete testing research by application of coal stone equipment 应用煤矸石等制备树脂混凝土试验研究
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- We have enough coal to see the winter out. 我们有足够的煤过冬。
- They eked out their coal by collecting firewood. 他们拣拾木柴以补充煤的不足。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- Pile on more coal the fire is going out. 火快灭了，再加上些煤。
- What can we do with the bituminous coal? 这些烟煤可以用来做什么？
- A coal fell from the fire and burned the mat. 一块煤炭从火中掉出来，烧坏了地席。
