The effect of raw materials and precipitant concentration as well as drying way on particle size, aggregation state and sintering activity, was investigated in this paper.(研究了沉淀過程中原料濃度、沉淀劑濃度及干燥方式對粉體粒徑、團聚狀態及燒結活性的影響。)

Objectives In the progress of preparing "Shuanghuang Shengbai Granules", we compared the flocculant precipitant process and alcohol precipitant process to offer theoretical foundation.(前言：目的比較雙黃升白顆粒絮凝沉淀與醇沉工藝的優劣，為雙黃升白顆粒的生產提供一定的依據。)

The length and thickness can be controlled by altering the reaction temperatures and the reactant concentrations and the precipitant reagents.(使用絡合沉淀法，控制溫度、濃度、改變沉淀劑，制備了長短、粗細可控的棒狀氧化鋯。)

The results could indicate that "this dramatic change in lifestyle accompanying the birth of a child is more of a precipitant for mental disorders in women than in men, " the authors write.(作者說，結果也顯示伴隨孩子出生的生活方式的巨大變化，對母親的精神方面影響大于父親。)

If melamine is present, a precipitant is formed, which can also be assessed both visually and by spectrophotometry.(如果存在三聚氰胺，將會形成一種沉淀物質，這也可以同時通過肉眼觀察和分光光度法進行判斷。)

The aging precipitant and fracture topography were observed under TEM and SEM. The mechanism of fracture of samples was analysed.(在透射電鏡和掃描電鏡上觀察分析了合金析出物的特征和沖擊試樣的斷口形貌及斷裂機制。)

The pearly pigment of mica titanium was prepared by using the liquid deposition method with the urea as precipitant.(采用尿素作為中和劑，用液相沉積法制備了云母鈦珠光顏料。)

The spheroidicity zirconia is prepared by controlling the reactive temperatures, the precipitant reagents and adding additives through a alcohols solvent precipitation method.(采用醇溶劑沉淀法，通過控制溫度、改變沉淀劑，加入添加劑等條件制備了橢球形氧化鋯。)

Crystalline lanthanum carbonate was synthesized using ammonium bicarbonate as the precipitant.(以碳酸氫銨為沉淀劑合成了碳酸鑭晶體。)

Solution polymerized styrene-butadiene rubber ( S-SBR ) was fractionated by repeated precipitation method, using redistilled toluene as solvent and ethyl alcohol as precipitant.(本工作用甲苯作溶劑，乙醇作沉淀劑，用沉淀分級法，對溶聚丁苯橡膠（S-SBR）進行了分級。)