查询词典 cation-active

Within 24 hours of delivery, 16 breast milk samples from mothers of term and preterm infants were divided into aliquots. Fresh samples were immediately tested for antioxidant activity based on their ability to inhibit the oxidation of 2,29-azino-di-3- to its radical cation compared with Trolox, a strong antioxidant that is a derivative of vitamin E. The remaining aliquots were stored at –20 C or 4 C for analysis at 48 hours and at seven days.

在出生后24小时内，研究人员对足月儿及早产儿的母亲取样了16个母奶样品，并作多次的小量分装，新鲜的样品立刻作了抗氧化活力的分析，分析的根据为对2，29-azino-di-3氧化成阳离子自由基的抗性程度，对照品为维生素E的衍生物Trolox；剩下的样品则储存在-20C的冷冻温度下，或4(C的冷藏温度，并於48小时及7天后取出作再试验。

It points out that the universal changes coming along with the information super highway have brought about opportunities of frog-leap development to China,attentions on priority sho-uld be paid to the development of networked information services and their appli-cation systems,the electronic publ...

文章指出，信息高速公路正在世界范围内引起信息服务业的变化，给我国带来跳跃式发展的机会；我国应加快发展网络化信息服务和应用系统，迎接电子出版时代的到来；对现有计算机信息管理模式进行更新换代，突出&计算机文化&，对信息从业人员进行再培训；在国家信息基础结构框架内再设计我国信息服务业。

These changes in sodium channel function were correlated with effectiveness for inhibiting NMDA receptors, with lipid solubility of the compounds, with molecular volume, and with cation-pi interactions.

这些钠通道功能的改变与 NMDA 受体的阻断效应、化合物的脂溶性、及分子量、及阳离子相互作用相关联。

Presently, the method of preventing milk fever is balancing the ion of dietary, so dietary cation anion difference comes into being.

目前，对于该病的发病机理尚没有完全搞清楚，现在多采用发病后大量补钙来进行治疗，但是在发病时，病情已十分严重，因此临床疗效常常不佳。

Citric acid lauryl alcohol ester was synthesized by the esterification of citric acid with lauryl alcohol using p methylbenzenesulfonic acid or cation exchange resin as the catalyst.

分别用阳离子交换树脂和对甲苯磺酸催化柠檬酸和月桂醇进行酯化反应，合成了柠檬酸月桂醇酯。考察了催化剂用量、原料配比、反应时间和反应温度等对合成反应的影响，优化了合成工艺条件。

Sum up the main direction on the progress of mixing technique in the present stage;introduced the way of how to improve the life of mixer,as well as the modifi cation and characteristics of hydraulic ram ,variable-speed mixing,processing silica materials and other aspects.

归纳了现阶段混炼技术的主要进步方向，介绍了如何提高密炼机使用寿命，以及在液压压砣、变速混炼、温度控制、加工二氧化硅胶料等方面的改进与特点。

The vibrational spectra of CBO CLBO and LBO were compared, and the effect of cation on the vibrational spectra was discussed. In addition, the relationship between the LO-TO splittings and their nonlinear optical efficiency was analyzed simply.

比较了CBO，CLBO和LBO晶体的晶格振动光谱，讨论了阳离子对振动谱线的影响；分析了晶格振动模横纵频率的分裂程度与晶体非线性光学系数之间的关系。

On the other hand, the energy decomposition shows that dispersion and repulsive exchange forces play an important role in the organic cation-π interaction, although the electrostatic and induction forces dominate the interaction.

其次，能量分解结果显示，虽然静电能和诱导能在阳离子（NH4+）－π相互作用中占主导地位，但色散能和交换排斥能也是不可忽视的。

Methods Streptomycin and dihydrostreptomycin were extracted from honey samples using a liquid extraction with a phosphate buffer followed by a solid-phase extraction based on weak cation-exchange columns. After sample preparation, the hydrophilic interaction chromatography was used to retain streptomycin and dihydrostreptomycin on the column for the separation of the analytes from endogenous compounds. The aminoglycosides were detected and quantified with electrospray ionization tandem mass spectrometry.

方法用磷酸盐缓冲溶液提取蜂蜜中的链霉素和双氢链霉素后，经弱阳离子交换柱进行固相萃取，样品制备后采用亲水作用色谱，使链霉素和双氢链霉素实现保留，从而与内源性物质达到分离，采用电喷雾离子化串联质谱法检测和定量。

The influence of transition metal cation dissolved in DMSO on the generation of superoxide anion radical was also investigated.

论文还系统研究了DMSO中微量过渡金属离子的存在对DMSO／NaOH体系产生超氧孤离子自由基的影响。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。