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1·The nanometer yttrium oxides were obtained through precipitation reaction with ammonium bicarbonate.

采用碳铵沉淀工艺，进行了纳米氧化钇的制备研究。

2·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。

3·This article discusses the influence of precipitation reaction on coordination equilibrium by introducing side reaction coefficient.

通过引入副反应系数讨论了沉淀效应对配位平衡的影响。

4·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。

5·Method: the different methods were compared and the extraction was treated by means of color reaction, precipitation reaction and antibacterial experiments.

方法：比较各种提取方法，通过显色反应、沉淀反应和抑菌实验作用于该提取物。

6·Dosing should be carried out in such a manner as to achieve optimum residual levels of active ingredients once the initial precipitation reaction has taken place.

所以，沉淀反应一旦发生，净水剂的用量就是要使得活性成分的残留量达到一个最合适的水平。

7·The generalized oxidation and reduction reaction includes acid-base reaction, precipitation reaction, coordination reaction and ordinarry oxidation reduction reaction.

土壤化学中的酸碱反应、沉淀溶解反应、配位反应和氧化还原反应都属于广义氧化还原反应。

8·Furtheremore this precipitation reaction can be specifically inhibited by positive serum of gosling plague and no cross reaction is observed with common sera of avian disease.

所形成的沉淀反应能够被小鹅瘟阳性血清特异性地抑制，与其它常见的禽病血清不发生交叉反应。

9·Cheese is the solid clots that through the enzyme reaction, casein protein precipitation, and then discharges the whey from the curd.

干酪是通过酶反应和酪蛋白沉淀，然后把乳清从凝乳中排出而得到的固体凝块。

10·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。