1·Four compounds, namely 10 nonacosane, 24 methylenecycloartanol, stigmasterol and dacosterol have been isolated from the precipitate of the plant's methanol extract.
从月腺大戟根甲醇提取液的沉淀部分，鉴定了4种化合物，分别为二十九烷醇10、24亚甲基环阿尔廷醇、豆甾醇和达考甾醇。
2·To recover the metallic gold, we now need to precipitate the gold that’s in solution.
要想获得固态的金，我们现在就需要让溶液中的金沉淀。
3·To recover the metallic gold, we now need to precipitate the gold that's in solution.
要想获得固态的金，我们现在就需要让溶液中的金沉淀。
4·When it reaches the surface, the hydrogen combines with oxygen to form water, allowing solid white sulfur to precipitate into the ocean.
当它到达水面，氢与氧结合形成水，使纯白色的硫沉淀到海里。
5·Concentration of the virus particles by precipitation Because viruses are proteinaceous, they can be precipitated by methods that will precipitate proteins.
通过沉淀将病毒物质浓缩。由于病毒是蛋白质性质的，它们能通过蛋白质沉淀法沉淀。
1·The precipitate produced by sewage treatment .
污水处理后产生的沉淀物。
2·The data showed that the mixture ways of reactants influenced the size and the appearance of the pioneer precipitate and powder.
数据表明：反应物的混合方式对前驱沉淀物及粉体的尺寸和形貌都有很大的影响。
3·All gravimetric measurements require some sort of crucible or dish to hold the residue or precipitate.
所有重量分析需要某种坩埚或器皿保留残渣或沉淀物。
4·The water insoluble precipitate (acetic acid lignin, AcL) had a low weight-average molecular weight range from 341 to 253 (Mw) and a narrow molecular weight distribution from 1.1 to 1.2.
水不溶沉淀物（乙酰化木质素）的重均分子量分布在341到253之间，分散性系数分布在1.1到1.2这一窄范围内。
5·Benedict 's solution is an alkaline solution of copper (ii) sulfate, which is reduced to insoluble copper (I) oxide by reducing sugars, giving a red precipitate.
本尼迪克特溶液是硫酸铜(二价)的堿性溶液，它可以通过还原糖被还原为不溶性的铜(一价)的氧化物，产生红色的沉淀物。
1·The wort is then cooled, the solids allowed to precipitate, and it is ready for fermentation.
接着冷却麦芽汁，让固体物质沉淀下来，这时就可以进行发酵了。
2·Iron and aluminum compounds precipitate as a voluminous sludge.
铁和铝的化合物成为一种体积庞大的蓬松的游渣沉淀下来。