查询词典 adsorbed ion

In this paper we combined three chromatographic separation and purification technique such as affinity chromatography, ion exchanger chromatography and hydrophobic interaction chromatography to develope a new technology of stimutaneous extraction of three enzyme from pancreatin. We optimized the technology by studying the methods of purification and assured the technology as: The crude extraction from the dissolution of Pancreatin is directly absorbed on the DEAE gelose fast flow columnEquilibrating buffer is 0.01mol/L NaoAc-HoAc buffer(pH4.5; eluting buffer is 0.2～0.35mol/LNaCl in 0.01mol/LNaoAc-HoAc buffer (pH4.5), and then be eluted by two steps to acquire the peak of kallikrein.The solution which can"t be adsorbed by DEAE gelose fast flow column is adsorbed on affinity chromatographic column Equilibrating buffer is 0.01mol/LTris-HCl buffer(pH7.5, eluting buffer is 0.5mol/LNaCl in 0.01mol/Ltris-HCl buffer(pH7.5)and then be eluted by one step to acquire the peak of trypsin.The solution which can"t be adsorbed by is pretreated with 30%～80%(NH_4)_2SO_4 fractional precipitation, the deposition of the precipitation is dissolved to beabsorbed on phenyl gelose fast flow columnhydrophobic interaction chromatography condition is Equilibrating buffer is lmol/L(NH_4_2SO_4 in 0.01mol/LNaoAc-HoAc buffer(pH4.5), eluting buffer is 0～0.6mol/L(NH_4)_2SO_4 in 0.01mol/LNaoAc-HoAc buffer (pH4.5) and then be eluted by two steps to acquire the peak of chymotrypsin.

本研究考察了各种纯化方法，将离子交换层析、亲和层析和疏水层析三种分离纯化法相结合，建立了激肽释放酶、胰蛋白酶和糜蛋白酶三酶的联产工艺：胰酶用pH4.5醋酸缓冲溶液提取后，粗提液直接上DEAE-琼脂糖快胶柱吸附平衡缓冲液：0.01mol／LNaoAc-HoAc缓冲液(pH4.5，洗脱缓冲液：0.01mol／LNaoAc-HoAc缓冲液(pH4.5)含0.2～0.35mol／LNaCl分两步洗脱，收集激肽释放酶的洗脱峰；DEAE-琼脂糖快胶的未吸附液上亲和层析柱分批吸附平衡缓冲液：0.01mol／LTris-HCl缓冲液(pH7.5，洗脱液：0.5mol／LNaCl溶液，一次洗脱，收集胰蛋白酶洗脱峰；最后，亲和层析未吸附液用30％～80％硫酸铵分级盐析处理，沉淀溶解后用上苯基—琼脂糖快胶吸附平衡缓冲液：0.01mol／LNaAc-HAc缓冲液(pH4.5含1mol／L(NH_4)_2SO_4，洗脱缓冲液：0.01mol／LNaAc-HAc缓冲液(pH4.5)含0～0.6mol／L(NH_4)_2SO_4，分两步洗脱，收集糜蛋白酶的洗脱峰。

Toshiba developed the lithium ion battery unit which could charge rapidly, besides the characteristics of small, large capacity, it used fixed technology which was able to cause the nanometer level particle homogenizing, might cause the lithium ion be adsorbed evenly on the negative terminal of the battery, could charged to 80% of its capacity in one minute, 6 minutes more was possible to fill the electricity.

东芝开发的可急速充电锂离子蓄电池组，除了小型、大容量的特点之外，采用了能使纳米级微粒均一化固定技术，可使锂离子均匀地吸附在蓄电池负极上，能在一分钟之内充电至其容量的80%，再经6分钟便可充满电。

The anodic oxidation reactions of borohydride ion involves a novel and complex reaction system of three hydrogen valence states: protide H(superscript --protium H(superscript 0*-proton H(superscript +. Based on cyclic voltammetry and polarization studies, a multi-step mechanism for the oxidation of BH4-on Cu anode in NaOH solution was presented, and a kinetic expression containing the coverages of BH(superscript - subscript 4) and OH-adsorbed on the surface of Cu anode was deduced by the steady state approximation theory.

鉴于BH(上标-下标 4)阳极氧化反应涉及一个复杂的氢负离子H(上标-下标 4)－氢单原子H(上标 0*)－质子H之间价态转化的新颖反应体系，在循环伏安和极化实验研究基础上，提出了NaOH溶液中BH(上标-下标 4)在Cu电极上氧化反应的多步骤机理，导出了包含表面吸附态BH(上标-下标 4， ad)和OH覆盖率θ和θ的电极反应动力学方程。

Heated in water bath,uranyl ion and nitrate radical adsorbed on resin are replaced into solution by sodium bisulfate,then are determined by titanous method and spectrophotometry,respectively.

在水浴加热条件下，用硫酸氢根将吸附在树脂上的铀酰离子和硝酸根离子置换到液相中，之后分别采用亚钛法、分光光度法进行测定。

The electrochemical studies showed that DNA can be adsorbed and desorbed reversely onto nano-sized zirconia, as 2, 2'-bipyridyl was added gradually into the probe solution with low ion strength the peak current of probe molecule decreased step by step.

与钙离子相比，在同样条件下镧系离子能更加显著的提高DNA的电子转移速率常数。1、用化学和电化学方法研制成了一种组成为KnH〓O的修饰材料。

In the course of establishing standard operating procedure, The temperature, time , the feasibility without decorticating and efficiency were investigated when alliinase was deactivated used a dry heating apparatus in tunnel type, but the efficiency can be achieved less than 70%, need to be improved; The reformative cribriform plate has been proved to be good in practice result in pulping enzyme-deactivated garlic without dehulling; The extraction efficiency achieved more than 90% when volumic ratio of 20% alcohol and water is 3 I 1 and 2:1 was adopted to extract alliin two times respectively; During exact filtration, the ratio of diatomite in precoating and filtration was 3% and 1% respectively, the losses of alliin adsorbed by diatomite in extraction solution were not remarkable. In the stage of alliin isolation by ion exchange resin, three simple and sensitive detected measures were successfully adopted to control the whole process; the efficiency of alliin isolation was similar to laboratory results; The alliin yield was over 50% in acidic fractions and the purity quotient of alliin achieved above 50% after drying; Furthermore, the phenomenon was found that losses of alliin were seriously affected by the temperature and time periods in concentration.

在制定中试生产标准操作规程中，考察了隧道式干热烘干机杀酶的温度、时间和效率，干热灭酶效率只能达到70%，待改进；改良的筛板使带皮打浆效果良好，证明非脱皮熟蒜打浆的可行性，减少了工序，降低了成本；提取过程中，20%酒精分别1∶3和1∶2提取2次，效率达90%以上；硅藻土板框过滤时，探索了精滤过程中提取液中预涂和过滤时硅藻土的比例分别为3%和1%，并考察硅藻土对蒜氨酸的吸附损失，滤液澄明度良好，蒜氨酸损失很少；在树脂吸附分离阶段，采用三种简便灵敏检测手段控制生产过程，分离蒜氨酸的效果与实验室一致，酸性流分中蒜氨酸收率可达50%以上，干燥后蒜氨酸纯度达50%以上；试验发现浓缩蒜氨酸洗脱液时温度和浓缩时间对蒜氨酸损失的具有很大影响。

The product is in the pore structure on the graft copolymer of styrene divinyl benzene [-N amines (CH 3) 2 The ion exchange resin], the less alkaline, in the acidic, neutral and effective exchange of inorganic acid medium. and the larger size can be adsorbed molecules in aqueous solution and the use of anion.

本产品是在大孔结构的苯乙烯二乙烯苯共聚体上接枝叔胺基[-N（CH3）2]的离子交换树脂，其碱性较弱，能在酸性、近中性介质中有效地交换无机酸，并能吸附分子尺寸较大的阴离子以及在非水溶液中使用。

Due to this, our goal is to develop a new method to functionalize implant surface by plasma treatment. Argon plasma removes all chemical traces such as adsorbed contaminates and impurities. Oxidation in oxygen plasmas by ion bombardment results in a dense oxide layer.

因此，本研究利用低温电浆来发展一植体表面处理技术，先以氩气电浆清洁钛金属表面，再以氧电浆让钛金属表面产生一层致密的二氧化钛层。

Fluoride ion and iodide ion adsorbed on the PAN fiber could be desorbed by Al(NO_3)_3 and NaOH. And this process showed the fiber was easy to desorb and can be used repeatedly.

又以硝酸铝和氢氧化钠分别用来对吸附了两种离子的纤维进行解吸，表明该纤维易于解吸，容易再生，而且多次重复使用性能良好。

One gram of Cu-saturated selective ion exchange resin was horizontally embedded in saturated soil pastes and recovered after various time ( 1、2、3、4 days) intervals, and the amounts of Cr adsorbed on the ion exchange resin were measured in order to determine the time needed for equilibrium.

将装有铜饱和树脂(DOWEX M4195)之树脂袋埋入已制备好之水饱和土壤中，分别於1、2、3及4天后取出树脂，振荡后测定树脂抽出土壤中有效性六价铬之含量，以确定抽出水田土壤中有效性六价铬所需平衡之时间。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。