precipitation reaction

The results indicated that rate of fluoride removal with the kinetics equation of third order reaction in precipitation reaction.

除氟反应中，氟浓度衰减速率符合三级动力学方程。

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Aluminium hydroxide, the precursor of alumina, was synthesized by precipitation reaction of the aluminium nitrate and sal volatile.

利用硝酸铝溶液和碳酸铵溶液的沉淀反应制备一种氧化铝的前驱体-氢氧化铝。

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Because it has shown a pleased result in many kinds of precipitation reaction such as ring precipitation reaction, agar diffusion reaction and so on.

结果：自制兔抗羊免疫血清和羊血清经环状沉淀、琼脂扩散多种沉淀反应试验，验证均与兔抗人血清和人血清的反应结果相近。

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A turbidity sensor, a turbidity titrator, and a method to indicate the titration end-point of precipitation reaction by the measurement of the relative intensity of the scattered light in the titrate solution were introduced.

报道了一种实用的浊度传感器及浊度滴定仪，以及一种利用此仪器检测溶液的浑浊程度（溶液中散射光相对强度）来判断沉淀反应滴定终点的方法。

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Preparation of superfine α-Al_2O_3 powder by pyrolysis of ammonium aluminum carbonate hydroxide Crystalline ammonium aluminum carbonate hydroxide ( AACH) precursor was synthesized by controlling precipitation reaction conditions.

通过控制铝盐与碳酸氢铵溶液的沉淀反应条件，制备出结晶碳酸铝铵前驱体。

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They are fibre breakage, interfacial debonding and fibre breakage plus interfacial debonding, which are correlated with three kinds of interfaces: slight-reaction, fine compound precipitation and coarse compound precipitation interface.

三种断裂类型对应三种不同的界面状态：轻微反应型、细小化合物析出型和粗大化合物析出型。

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Crystalline ammonium aluminum carbonate hydroxide ( AACH ) precursor was synthesized by controlling precipitation reaction conditions.

通过控制铝盐与碳酸氢铵溶液的沉淀反应条件,制备出结晶碳酸铝铵前驱体.

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Design the orthogonality experiment impact of mole of match ratio and reactive pH having discussed three kinds crystal structure over guanite precipitation on reaction phosphorus coefficient of recovery ( PRE).

设计正交实验讨论了三种构晶离子的摩尔配比和反应的pH对鸟粪石沉淀反应磷回收率（PRE）的影响，最后向反应体系中添加Ca2+考察不同Mg/Ca对PRE和沉淀产物成分的影响。

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The optimal conditions of direct precipitation processes, coupling route of hydrolyzation of metal alcoholate with homogeneous precipitation and solid state reaction method were obtained by orthonormal experiments.

通过正交实验确定了直接沉淀法、金属醇盐水解和均匀沉淀耦合法和固相法的较佳工艺条件。

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Preparation of Rodlike ZnO Particles by Direct Precipitation Reaction

直接沉积法制备棒状ZnO

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During the reaction, the octahedral dissolution of palygorskite induced heavy metal ions coprecipitation forming mixed double hydroxid precipitation on the surface of palygorskite.

反应过程中，凹凸棒石八面体阳离子的溶解能诱导重金属共沉淀，在凹凸棒石表面形成双氢氧化物。

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Skin-coloured nanoparticle ZnO can be also prepared by the process of properly adding ammonia liquor into the mixed solution after the precipitation reaction.

在沉淀反应后的混合液中适当地加入氨水进行处理，最后还可制得肤色纳米氧化锌。

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There are two numerical models for theory analysis of smectite-illite transformation at present in the world, including the first-order thermal reaction equation and the dissolution-precipitation equation.

目前世界上关于蒙皂石向伊利石转化有两类理论分析数值模型，即一级热反应方程和溶解沉淀方程。

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The phase of calcium sulfate/ hydroxyapatite composite powders were studied by theory of multi-component dissociation of phosphoric acid and precipitation reaction and thermal reaction of phosphate.

综合磷酸多元离解、磷酸盐的沉淀反应和热反应给出了制备的硫酸钙/羟基磷灰石复合粉体的相组成的理论依据，认为溶液中磷酸盐的优势组分对复合粉体的相组成起决定作用。

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The kinetics of seed precipitation process shows that the activation energy of seed precipitation is 94.60kJ/ mol, indicating the surface reaction as controlling step.

种分过程的动力学研究表明，晶种分解过程的活化能为94.60KJ/mol，说明该过程系表面反应控制。

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