查询词典 chelating

N-dodecylethylenediaminetriacetic acid is a new type of chelating surfactants, which were in need of developing non-phorus detergents.

N-十二烷基乙二胺三乙酸是一种新型螯合性表面活性剂，是应无磷洗涤剂的研发要求而问世的。

The invention discloses a method of utilizing metal chelating resin adsorbent to separate and recovery fatty acid.

本发明公开了一种利用金属螯合树脂吸附剂分离回收水体中脂肪酸的方法。

Chelating surfactants is a type of functional surfactants.

螯合性表面活性剂是一种新型的功能型表面活性剂。

At last, we tried to purify by Ni2+-chelating agarose column in native conditions and denaturing ones.

最后，在自然条件与变性条件下，应用His·bind Ni2+柱对融合蛋白进行了分离与纯化，初步得到了一条略小于20kDa的条带。

In fact, the coagulating mechanism was surface chelating and surface sedimentation. It was said that adsorption was before hydrolysis, then the hydrolysis and sedimentation reaction of the polynuclear hydroxy complexes took place on the adsorption surface, at the same time they counteracted the electric charge of the colloids and suspended substances then adsorbed and bridged the flocculates.

其混凝机理实际上是表面络合及表面沉淀过程，即絮凝剂投入水体后，其最佳混凝形态及其聚集体在一定时间内具有稳定性而保持其原有形态，并很快吸附在颗粒物表面，吸附过程先于水解过程，因带电荷及分子量较高而同时发挥电中和及吸附架桥作用。

From the analysis of FT-IR spectra, XRD patterns and SEM morphologies, the special functions of the chelating agents as follow: citric acid chelates metal ions, EDTA adjusts pH values and ethylene glycol polymerizes complex and replaces hydrogen bonds in SBT sol solution.

利用红外光谱、X衍射及扫描电镜等手段，证明柠檬酸主要起络合金属离子作用；EDTA除辅助交联金属离子外，主要用于调节pH值；而乙二醇用来聚合柠檬酸和EDTA，防止氢键产生，起稳定溶胶作用。

Shanghai exchange resin resin plant special enterprises in China are domestic professional research and development, application, management services, OEM resin enterprise as a whole.major enterprises in China have Styrene, acrylic acid series, strong acid, strong base, weak acid, weak base, chelating , inert ion exchange resins, special enterprises in China for many years with several well-known enterprises to explore the application of ion exchange resins, the key products used in softened water, desalination water treatment-exchange resins; condensate treatment resin; food, fermentation industry Decoloration, dedicated Absorption resin, petroleum, chemical, medical, chelate resin and catalyst series dedicated resin as well as ancillary treatment, such as a series of packing products, such as a variety of grades.

上海汇脂树脂厂特华企业是国内专业研究开发、应用、管理服务、OEM为一体树脂企业。特华企业主要有苯乙烯系、丙烯酸系列，强酸、强碱、弱酸、弱碱、螯合、惰性离子交换树脂，特华企业多年来与多家著名企业探讨离子交换树脂应用，目前主要产品应用于软化水、除盐水处理交换树脂；凝结水精处理树脂；食品、发酵行业脱色、吸附专用树脂、石油、化工、医学、鳌合系列树脂和催化剂专用树脂以及配套水处理的系列填料等多种牌号等系列产品。

Therefore, pretreatment of raw flax was performed with selected chelating agents such as ethylene diamine tetraacetic acid, sodium tripolyphosphate, oxalic acid and ammonium oxalate.

选用EDTA、多聚磷酸钠、草酸和草酸铵等螯合剂对亚麻原麻进行了预处理，结果表明：EDTA、草酸、多聚磷酸钠的处理效果均不理想，改变浓度、温度等条件，韧皮与麻秆并没有分离；而草酸铵是比较有效的螯合剂，用5 g/L的草酸铵在62℃处理亚麻原麻5 h后，韧皮与麻秆能够完全分离。

To solve this problem we have done a lot of analysis tests, the use of solubilizer to increase the solubility of dye; dyeing process using soft water, and add the chelating agent to reduce the sodium sulphate caused by hardness, while improving, but you can not completely avoid the dyeing flowers and subsequently by a large number of trials found that there is a dye bath Fe3 +, Cu2 +, Zn2 +-induced dye accumulation of heavy metal ions such as lead-color flowers.

为解决此问题我们做了大量分析试验，使用增溶剂，增加染料的溶解度；染色过程中使用软水，并添加螯合剂来降低元明粉引起的硬度，虽有所改善，但不能彻底避免染花，后经大量的试验发现是染浴中存在Fe3+，Cu2+，Zn2+等重金属离子诱发染料聚集引起色花。

Li1.05Mn2O4 samples were synthesized from aqueous solutions of metal acetates containing citric acid as a chelating agent by a sol-gel method.

选用金属醋酸盐和柠檬酸配体，采用溶胶－凝胶法合成出锂离子电池正极材料Li1.05Mn2O4。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。