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reverse precipitation method 反向沉淀法
Methods:Sulfate ion precipitation method was used. 方法:采用硫酸根离子沉淀法。
Magnesium titanate was obtained with special liquid phase precipitation method. 采用特殊液相沉淀法制备了镁的钛酸盐。
The precipitation method is an efficient, economical and practical method for removing the colloidal impurities. 是去除胶体杂质有效、经济、实用的方法。
The square ratio method and basin precipitation method are commended for annual runoff calculation. 在年径流计算中，建议采用面积比法和流域雨量法。
The pure,Y_2O_3-doped and Sm_2O_3-doped nanozirconia powders were prepared by the precipitation method. 利用液相沉淀方法制备了未掺杂、氧化钇掺杂和氧化钐掺杂的纳米级氧化锆粉体。
Using ZnSO4.7H2O and urea as raw materials, nanometer ZnO was prepared by homogeneous precipitation method. 摘要以硫酸锌、尿素为原料，采用均相沉淀法合成了纳米氧化锌。
The discoloring effectiveness of raw L-lactide with active carbon method is better than that of precipitation method. 用活性炭对L-丙交酯粗品进行脱色比用沉淀法脱色效果好,收率较高。
The spherical zirconia and Ni-coated zirconia composite powders were synthesized by the chemical precipitation method. 摘要采用化学沉淀法分别制备球形氧化锆及镍／氧化锆复合微球粉体。
Using barium hydroxide octahydrate and urea as raw material,barium carbonate is prepared by homogeneous precipitation method. 以八水氢氧化钡和尿素为原料,采用均相沉淀法制备了碳酸钡粉体。
Nanocrystalline titania powders in the rutile phase were prepared by the homogeneous precipitation method using TiCl4 and TiCl3 as starting materials. 通过TiCl3、TiCl4共同水解可以制备出金红石相的氧化钛粉体.
The seperation and purification of lipase produced by Candida antarctica(CALB) by ammonium sulphate-actone concerted precipitation method were studied. 采用硫酸铵-丙酮协同沉淀法,对南极假丝酵母产脂肪酶(CALB)进行了分离纯化研究。
In this dissertation,the hydrosol of CuO, AgCl and AgI were prepared by precipitation method,while Cu2O by Oxidation-reduction. 本文中采用沉淀法制备氯化银、碘化银水溶胶和氧化铜水溶胶；
The needle-like hydroxyapatite single crystals with high crystallinity were prepared by homogeneous precipitation method under hydrothermal condition. 用水热法制备出结晶度高、纯净均一的针状羟基磷灰石单晶体。
Therefore，the in vitro bioactivity of akermanite prepared by two-step precipitation method is better than that prepared by sol一gel method. 因此，两步沉淀法合成的镁黄长石相对于溶胶一凝胶法合成的镁黄长石具有更好的诱导羟基磷灰石形成能力和生物活性。
Bovine milk was added to yak milk at the ratios from 5 % to 30 %, and whey was prepared using isoelectronic point precipitation method. 在牦牛乳中加入5%25-30%25的普通牛乳，采用等电点沉淀法制备乳清，然后用聚丙烯酰胺凝胶电泳分离乳清蛋白。
Several one-dimensional ZnO were prepared with homogeneous precipitation method using zinc nitrate and urea as starting materials. 摘要以硝酸锌和尿素为反应原料，利用均匀沉淀法在水溶液中直接制备了多种形貌的氧化锌。
Our army suffered a slight reverse. 我们的部队受到轻微的挫败。
The commercial scale test was conducted for impurity molybdenum removal from tungstate solution by selective precipitation method. 对“选择性沉淀法从钨酸盐溶液中除钼”新工艺进行了工业试验。
The 50p coin has a crowned lion on its reverse. 50便士硬币反面的图案是个戴皇冠的狮子。