Objective:To evaluate the diagnostic value of polymerase chain reaction (PCR), culture, Semar acid fast staining, fluorescent staining in tuberculosis.

目的：评价聚合酶链反应（PCR） ，细菌培养，抗酸染色，荧光染色对结核病的诊断价值。

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First, the speed of the reaction between mud acid and rock is very fast, the effective distance of acid is short, active acid can not reach deep formation.

首先，高温下常规土酸与地层矿物反应速度极快，酸液有效作用距离短，活性酸不能到达地层深部；

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Using fly ash as the neutralization agent of acid wastewater, the reaction is fast, the effluent is nice, the equipment is simple and the cost is low.

利用粉煤灰中和酸性废水，反应快，效果好，工艺简便，成本低。

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