极性的

The oily substances and the acidic components were characterized using elementary analysis, IR spectral analyses and acidimetry.

采用石油醚和三氯甲烷分级萃取孤岛油田含聚污水中的油分，得到两个不同极性的组分F1和F2；用碱抽提法从酸值较高的F2组分中分离酸性物质并将其甲酯化，通过柱层析法将甲酯化物分成Ⅰ、Ⅱ和Ⅲ三个甲酯组分。

This approach is based on the separation and quantitative measurement of specific fractions, such as polar, or polymeric compounds or individual components, inch as pentane or hexanal, which are known to be typically produced during autoxidation.

该方法以特殊组分的分离和定量测量为基础，例如极性的或聚合物，个别成分，如戊烷或已醛，是自氧化过程中的典型产物。

According to the literatures and our experiments, appropriate conditions for the reaction of C60 with alkyl azide and the separation of adducts were obtained. The relationship between the structure and the chromatographic polarity of the products was also summarized.

根据文献报道和实验总结出了富勒烯与烷基叠氮化合物的反应条件和产物的分离条件，并对化合物结构与色谱极性的关系作了归纳总结。

The influence of different polarity solvents on the antimicrobial effect of Yucca gloriosa L.extraction was studied,and the optimum extraction conditions were confirmed with L_9(3~4) orthogonal experiment.

以不同极性的提取溶剂制备凤尾兰提取液，研究提取液对几种果蔬病原菌的抑制效果，通过单因素试验和L9(34)正交试验，确定抑菌成分的较佳提取条件。

The parameters such as frequency, width of each pulse and the interval between successive pulses with inverse polarity can be changed easily in program.

这些参数包括输出脉冲的频率、宽度和不同极性的两个脉冲间隙。

9 Ionizers 离子风机 Ionizers shall, as appropriate, enable either polarity of charge on items to be brought down and maintained to less than the ESD susceptibility of the most sensitive ESDS.

离子风机能降低静电任何一个极性的电压，并使维持静电压低于静电敏感器件的ESD敏感电压。

The maximal emission wavelength of eosin was red shifted in the polymer than in solution,the apparent Ka largened,and the dissociation equilibrium of indicator was shifted to direction,becau...

曙红染料在聚合物介质中由于极性的减弱，其最大荧光发射波长较在水溶液中红移，表观解离常数增大，对pH的响应区间向酸性方向移动。

The coal liquid was processed by sequential elution with 9 kinds of solvents in silica gel column.

对煤的短接触液化产品用不同极性的溶剂洗提得到9个级分，从9个级分中鉴定出25种组分。

In microwaves, these polarity changes happen millions of times every second.

在微波，这些极性的变化发生数以百万计的时间每一秒。

One manner in which such extremes may be resolved is in the re-empowering of underpowered nations.

可以解决这些极性的一个方式，就是给那些没有力量的国家重新赋予力量。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。