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- The result shows that the carbocoal produced by modified lignite under low temperature pyrolysis is a good raw material for preparing sulphonated coal; The quality of raw materials and the temperature are the most important factors affecting the products. 结果表明:褐煤低温热解改质后的半焦是生产磺化煤的优质原料,其原料性质和磺化温度是磺化煤质量的重要的影响因素。
- The effects of coal ranks,the temperature for sulphonating re-action,the sulphonating duration,the coal size etc on the characteristics of ions ex-change of sulphonated coal are tested. 实验考察了煤种、磺化温度、磺化时间、煤粒度等因素对于产物磺化物离子交换活性的影响。
- Keywords Sulphonated coal;Ion-exchange activity;Experiment.; 磺化煤;离子交换活性;试验;
- Keywords sulphonated coal;heavy metal ion;adsorption;electroplating waste water; 磺化煤;重金属离子;吸附;电镀废水;
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- 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。
- The country is rich in oil and coal. 这个国家石油和煤的资源丰富。
- The smoldering coal or ash of a dying fire. 余烬将要熄灭的火中的冒着烟的煤块或灰烬
- They were shoveling coal into a cart. 他们在把煤铲进手推车。