查询词典 phosphoric acid

The catalytic effect of ruthenium on the oxidation decolorizing reaction of chlorophosphonazo-mk by potassium periodate in phosphoric acid medium was investigated.

研究了在磷酸介质中，痕量钌催化高碘酸钾氧化偶氮氯膦mk褪色反应特性，测定了反应级数、反应速率方程和表观活化能，拟定了反应的最佳条件，建立了一个测定痕量钌的催化动力学新方法。

The phosphate rock is treated with phosphoric acid and, in the manufacturing process, the gypsum is removed.

在加工过程中用磷酸对磷酸盐矿石进行处理，去除石膏。

Iron and steel phosphatization is a porous phosphoric acid membrane forming on the metal surface through the chemical reaction.

钢铁磷化是在金属表面通过化学反应生成一层非金属的、不导电的、难溶的多孔磷酸膜。

Objective: To improve the method to determine phosphoric acid in the air of workplace.

目的：改进工作场所空气中磷酸的测定方法。

You will also determine the value of pK2 for the phosphoric acid.

你也要测定磷酸的pK2值。

Add 100 mL of phosphoric acid, dilute with water to 1 L, and mix.

添加100毫升的磷酸，用水稀释至1 L和组合。

Simulation results indicate that the method has comfortable control performance and available for phosphoric acid production.

仿真研究结果表明：该控制算法具有良好的控制效果和抗干扰能力，是实现磷酸生产过程非线性预测控制的一种有效途径。

Phosphoric acid is one of indispensable raw material in these industry.

所以磷酸净化一直是研究者关注的一个课题。

Colas contain high levels of phosphoric acid , which has been linked to kidney stones and other renal problems.

住在楼的四层，对面是一幢同样九层的楼石和其它肾脏问题有关。

The main products of phosphoric acid in the domestic market has a higher market share in the export market more prominent position.

公司主要产品磷酸在国内市场拥有较高的市场占有率，在出口市场上的地位也比较突出。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。