The essay discusses a series of tests which the factors of the carrier density . solidified agent density, medium and PH value influence the capacity of lysine production solidified yeasts.

本文报道了载体浓度、固化剂浓度、培养基浓度以及其PH值等因素对固定化酵母产赖氨酸影响的系列试验和结果。

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The choice of the PH value handles a processing waste water influence to the water very big.

PH值的选择对水处理剂处理废水影响很大。

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The influence of pH value of dilatant fire retardant coatings for steel structure on its fireproofing performance is studied by using a micro electric furnance.

通过微型电炉实验，研究了膨胀型钢结构防火涂料的酸碱性对其防火隔热性能的影响。

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