极性

It is possible to simultaneously examine the polarity and viscosity of medium when DNP is used as a fluorescence probe.

这一性质，再加上激基缔合物峰与单体峰强度比反映介质粘度，使DNP成为能同时探测介质极性和粘度的荧光探针。

And the content of the free radical was affected by the dose and dose rate and declined with the prolong of time.

电子束辐照产生的极性含氧基团和自由基为UHMWPE纤维的表面接枝改性奠定了基础。

In this paper, NO is generated by negative pulsed discharge between needled and plate electrodes in dry air at the atmospheric pressure, Some of the important parameters affecting concentration of NO and NO2 have been investigated. These include the pulsed discharge frequency, the distance between electrodes and electrode polarity.

脉冲电弧放电是产生医用吸入性NO 的一种新方法，因此，本研究采用负脉冲电弧放电，以大气压下的干燥空气为原料，研究了放电频率、电极间距和电极极性等参数对NO 和NO2浓度的影响。

Figure 1-14 shows an NPN transistor and a PNP transistor in the feedback path to provide dual polarity operation.

图1-14示出反馈通路采用一个NPN晶体管和一个PNP晶体管来实现双极性工作。

The magnetic field line in the filament created by reconnection is more dipolar than the surrounding magnetic field line, and the motion of the filament displays a strong earthward flow.

重联产生的细丝磁场比周围磁场偶极性更强，运动时表现出了很强的地向流。

Using a one-dimension magnetic filament in the Earth\'s magnetotail to represent the bubbles,we examine the motion of bubbles created by reconnection in the Earth plasma sheet.Some properties of time evolution of the filament can be obtained from the numerical simulation.The magnetic field line in the filament created by reconnection is more dipolar than the surrounding magnetic field line,and the motion of the filament displays a strong earthward flow.The results show that MHD waves such as an Alfv?

本文研究地球等离子体片中重联后的磁泡的运动，用地球磁尾中的一维磁细丝来表示磁泡，通过数值模拟发现，重联产生的磁细丝磁场比周围磁场偶极性更强，运动时表现出了很强的地向流。

With the help of dynamic mechanical thermal analysis, differential thermal analysis, analysis of curing behaviors and swelling test, the change of structure during the vulcanization of ebonite was analyzed. It is found that the chemical cross-linking in the ebonite trended to descend with degree of vulcanization, while the modification effects of polar groupings on the carbon backbone gradually increased, which dominated its physical and mechanical properties.

通过考察硫化时间对于硬质橡胶结构与性能的影响，结合DMTA、DSC、硫化特性分析、溶胀分析等方法，分析了硬质橡胶的硫化过程中结构的变化，认为在硫化过程中，随着硫化的进行，硬质橡胶中的化学交联作用有下降趋势，极性基团对于碳骨架的改性作用逐渐增加，并对硬质橡胶的物理机械性能起主要决定作用。

In this paper,the effective mass of the surface magnetopolaron in polar semiconductor is studied.

本文研究了极性半导体中表面磁极化子的有效质量。

Negative electret not only enhanced the growth of cells, but also enhanced the apoptosis of cell.

3正极性驻极体作用于3T3细胞24 h后，G1期内的细胞数增加，G2期和S期中的细胞数减少。

The field observations show that the electric field intensity and polarity take on great differences between sunny days and sandstorm.

不同的沙尘天气过程形成的电极性和电场强度也有较大差别。

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。