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1)  discrete settling
离散沉淀
2)  precipitation separation
沉淀分离
1.
Applications of precipitation separation technologies in handling protein;
沉淀分离技术在蛋白质处理方面的应用
2.
This article deals with accurate content of the composition determined by means of acid alkali titration after precipitation separation to present a practical analyzing method for the small enterprises.
针对从事电镀生产的小型企业检测条件比较差的特点 ,从分析方法的实用性入手 ,将被测成份经沉淀分离后 ,采用常规的酸碱滴定法 ,测出被测成份的准确含
3.
A new method that the precipitation separation-high-pressure liquids colour spectrum (HPLC) for determining the dioctyl phthalate (DOP)in PVC plastics is suggested in this paper.
本文提出了测定PVC塑料中的DOP增塑剂的一种新方法——沉淀分离—HPLC法。
3)  ion precipitation
离子沉淀
1.
The preferred ion precipitation technology for extracting tea polyphenols (TP) was investigated, and the ingredients of the product were analyzed with high performance liquid Chromatography.
探讨了离子沉淀法提取茶多酚的最佳工艺条件,并运用高效液相色谱对茶多酚产品进行了成分分析。
2.
Extraction process of TP and caffeine (caf) by mixed solvent composed of water and alcohol, scale-up law of agitating tank, ion precipitation process and flocculation process for TP were studied thoroughly.
本文研究了茶叶茶多酚、咖啡碱的乙醇水溶液提取过程,茶多酚的离子沉淀过程及絮凝沉淀脱咖啡碱过程,提出了乙醇水溶液提取、离子沉淀-絮凝纯化生产茶多酚的新工艺,并对提取搅拌槽的放大规律进行了实验研究。
4)  subsidence separation
沉淀离析
1.
Influencing performances of TLA modified asphalt due to ash subsidence separation
灰分沉淀离析对TLA改性沥青性能的影响
5)  Precipitation by centrifugation
离心沉淀
6)  dispersion deposition method
分散沉淀法
1.
The nanoparticle Pb(II)-gallate complex was synthesized by liquid dispersion deposition method.
采用液相分散沉淀法制备了纳米 Pb(II)-没食子酸配合物粉体。
2.
The nanoparticle Pb(II)-stearate complex was synthesized by liquid dispersion deposition method using Pb(Ac)2·3H2O and stearic acid as the reactants, and the products were characterized by TEM, XRD, TG, DSC, IR and element analysis.
采用液相分散沉淀法制备了纳米硬脂酸铅(II)配合物粉体。
3.
The nanoparticle Pb(Ⅱ)-Phtalate complex was synthesized by liquid dispersion deposition method using Pb(Ac)2·3H2O and potassium acid phthalate as the reactant.
为了研究邻苯二甲酸Pb髤配合物纳米颗粒的制备方法及其性质,探索其在固体推进剂中的应用前景,本文采用液相分散沉淀法成功制备出邻苯二甲酸Pb髤配合物纳米颗粒,并对配合物进行了表征以及在推进剂中应用的试验。
补充资料:离散时间周期序列的离散傅里叶级数表示
       (1)
  式中χ((n))N为一离散时间周期序列,其周期为N点,即
  式中r为任意整数。X((k))N为频域周期序列,其周期亦为N点,即X(k)=X(k+lN),式中l为任意整数。
  
  从式(1)可导出已知X((k))N求χ((n))N的关系
   (2)
  式(1)和式(2)称为离散傅里叶级数对。
  
  当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N,如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为
  

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