The shortcoming of current slag cavity brick is presented . Its size is determined. The action of production method and gap ratio on its strength is studied in this paper.
文中提出了现行煤渣空心砖的不足，分析确定了煤渣空心砖的几何尺寸，研究了生产方法和孔洞率对煤渣空心砖强度的影响．。
Through choosing referential time, production and decline ratio, this method is more flexible, simple and practical than the Arps method in terms of analyzing the production decline.
通过选用参考时间、参考产量和参考递减率，使得递减分析方法具有一定的灵活性和优越性、该方法简便、实用。
Now the method is successfully used in the production. Thereby difficult problem that we test relaxation ratio of prestressed concrete steel wire for 1000 hours has been solved.
此法成功地用于生产中，从而解决了预应力钢丝1000小时松弛率检验的难题。
The preparation method has the advantages of simple operation, short production cycle, low cost and high raw material utilization ratio.
本发明中的制备方法操作简单，生产周期短，成本低，原料利用率高。
The preparation method has the advantages of simplicity, easy operation, high ratio of drug loading and low cost, and can realize automated and large-scale production.
该制备方法简单易行，载药率高，成本低，可实现自动化和规模化生产。
The results show that the energy ratio of this new production method is much higher than that of the traditional thermal stimulation method.
计算结果表明，该种开采方法的能量效率远高于传统的注热开采方法。
It is shown that this method is suitable for any pole-ratio 2-speed single-winding induction motors and can reduce the production costs and improve the operational performances of the motors.
这种方法适合于任意极比的单绕组双速电机，采用这种方法可降低电机制造成本，改善电机运行性能。
It is shown that this method is suitable for any pole-ratio 2-speed single-winding induction motors and can reduce the production costs and improve the operational performances of the motors.
这种方法适合于任意极比的单绕组双速电机，采用这种方法可降低电机制造成本，改善电机运行性能。
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