查询词典 cation-active

The formation of Fe—O—Fe antiphase boundaries are suppressed by the doping Al due to the improvement of the cation ordering, and the high field magnetoresistance that roots in spin-dependent scattering at the antiphase boundaries is reduced.

阳离子有序度的提高使来源于自旋相关电子在反相边界处散射的高场磁电阻明显降低，导致了样品的磁电阻在x=0.15时达到了最大值。

Objective To prepare vinorelbine bitartrate liposome and compare the difference of the entrapment efficiency by using Sephadex minicolumn centrifugation method and cation exchange resin centrifugation method, respectively.

目的 制备重酒石酸长春瑞滨脂质体，比较葡聚糖凝胶微柱离心法和阳离子交换树脂离心法测定重酒石酸长春瑞滨脂质体包封率的差异。

Both methods can be used to determine the entrapment efficiency of the vinorelbine bitartrate liposome. The cation exchange resin centrifugation method is preferred.

葡聚糖凝胶微柱离心法和阳离子交换树脂离心法均可用来测定重酒石酸长春瑞滨脂质体包封率，优选阳离子交换树脂离心法。

Methods The vinorelbine bitartrate liposome was prepared by pH gradient method. Sephadex G-50 and cation exchange resin could entirely separate free vinorelbine bitartrate from liposomes. The concentration of vinorelbine bitartrate was determined by HPLC. The result was analyzed with SPSS.

pH梯度法制备重酒石酸长春瑞滨脂质体，分别以葡聚糖凝胶Sephadex G-50和阳离子交换树脂装柱，离心分离脂质体和游离药物，采用HPLC法测定药物含量，计算包封率，并用SPSS软件进行t检验。

Evidence is growing showing that oxalate may play an important role in plant biology such as cation ion balance, calcium regulation, nitrate and ferric reduction etc.

越来越多的证据表明草酸在植物中具有重要生物学功能：早期的研究表明它能在植物细胞阳离子平衡中起作用；草酸钙在细胞中的可逆性形成/分解可有效调节细胞中的Ca2+浓度；它还能促进植物硝酸还原和铁还原。

Synthesis of ethyl caproate by a strong acid cation exchange resin catalyst

研究了以强酸性阳离子交换树脂为催化剂，环己烷作带水剂，冰醋酸与异戊醇合成乙酸异戊酯的反应条件。

The results show that the oil flooding systems of carboxylate and its com-plex are unable to bear two charged metal cation.

该体系可以在较宽的矿化度范围及较宽的活性剂浓度范围内与大庆原油保持低界面张力（10￣（－2）mN／m）。

The thing how is for you to decide on a course of cation.

现在你需要做的是做一个谨慎的决定。

Cation is the key to success.

良好的教育是成功的关键。

We need more than listening , we need cation.

我们需要的不光是听得进意见，我们要的是行动。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。