Precipitation and separation of Ions

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。bjM汉语字典

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。bjM汉语字典

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bjM汉语字典

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bjM汉语字典

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。bjM汉语字典

Combining the ion precipitation with column chromatography to prepare tea polyphenol was studied.研究了离子沉淀法和大孔吸附树脂层析法结合制备茶多酚的工艺。bjM汉语字典

The methods of recovering phenolic compounds from wastewater containing phenols are reviewed in this paper, which consist of reversible complex extraction,cooperating and complex extraction as well as ion precipitation.本文综述了含酚废水中酚类回收的技术现状，并着重对近年来提出的可逆络合萃取法、协同－络合萃取法和离子沉淀法的原理和工艺进行了较详细的分析、探讨和评价。bjM汉语字典

Separation of pancreatin with flocculation was studied in this thesis.本论文研究了絮凝法沉淀分离胰酶。bjM汉语字典

Coprecipitation for separation and enrichment with Cu(Ⅱ)-DBDC for determination of Mn in urine using FAASDBDC-Cu(Ⅱ)共沉淀分离富集FAAS测定尿中锰bjM汉语字典

Determination of Chloride and Bromide in La_2Ov_3 by Subsidence Separation-Ion Chromatography沉淀分离-离子色谱法测定氧化镧中氯和溴bjM汉语字典

Separation and Determination of Rare Earth Element in the Halogenatehal Water by ICP-MS with Precipitation共沉淀分离-ICP-MS快速测定卤水中稀土元素bjM汉语字典

Experiment and research of deposit separated device in industrial fish farming system工厂化养鱼池底沉淀分离装置的试验研究bjM汉语字典

Separation with Reduction and Precipitation for Determination of 20 Impurities in Pure Silver by ICP-AES还原、沉淀分离ICP-AES法测定纯银中20个杂质元素bjM汉语字典

Secptrophotometry to separate Hydroxide Coprecipitation and determine the rare earth s content of ion-absorbing mine;氢氧化物共沉淀分离——分光光度法——测定离子吸附型矿的稀土总量bjM汉语字典

The Influence and Resolvent of Natural Drind s Deposition by Light absorbent Rate Controlling;离心分离工艺减少茶饮料沉淀的研究bjM汉语字典

To be separated from a solution as a solid.沉淀被从溶液中分离成为固体bjM汉语字典

To cause(a solid substance) to be separated from a solution.使沉淀使（固态物质）从溶液中分离出来bjM汉语字典

Precipitates are usually collected by centrifugation at intervals.常常是用离心法分段收集沉淀的。bjM汉语字典

Separation of Vanadium from Sodium Aluminate Solution in Bayer Process by Precipitation沉淀法从拜耳法铝酸钠溶液中分离钒bjM汉语字典

Experimental studies on the treatment of potato starch wastewater by coagulation and precipitation-foam fractionation-adsorption混凝沉淀-泡沫分离-吸附工艺处理马铃薯淀粉废水的实验研究bjM汉语字典

A solid or solid phase separated from a solution.沉淀物从溶液中分离出来的固体或固体状态bjM汉语字典

SEPARATION WITH TELLURIUM OR SELENIUM COPRECIPITATION AND PHOTOMETRIC DETERMINATION OF TRACE GOLD IN ANODE MUD碲或硒共沉淀法分离金——阳极泥中金的测定bjM汉语字典

Study on precipitation separation of Zn & Mn Ion and preparation of ZnO & MnO_2沉淀法分离Zn(Ⅱ)、Mn(Ⅱ)制备ZnO和MnO_2的研究bjM汉语字典

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bjM汉语字典

centrifugal disc photosedimentometer离心圆盘式光测沉淀计bjM汉语字典