极性

The main circuit adopts the threephase bipolarity contravariant bridge circuit composed of power bipolar-transistor.

其逆变器依据正弦波脉宽调制技术，主电路采用三相双极性逆变桥式电路，逆变管采用电力场效应晶体管。

In the dissertation, a bipolar coding scheme based on the above feature and a recognition method based on correlation matrix memory are presented.

论文中提出了基于目标主要散射中心之间相对距离分布的双极性二元编码方案和基于相关矩阵记忆网络的目标识别方法。

The invention discloses a preparation method of adsorption resin comprising polarity group and application in rhizoma corydalis total alkaloid purification.

一种含极性基团的吸附树脂制备方法及该树脂在延胡索总生物碱纯化中的应用。

This graft copoly-met,after being dried,could not be dissolved in most solvents including benzyl alcohol and m -cresol at room temperature,except the very polar ones,such as 98％ formic acid.

这种接枝共聚物一旦析出并干燥以后，在常温下不溶于包括苯甲醇、间甲苯酚在内的大多数溶剂，但却易溶于极性较强的溶剂如98％的甲酸。

This work employs operator-splitting method / finite element method to study dynamic performance and the stability of liquid-lubricated herringbone grooved journal bearing with micro-polar lubricants. Load capacity, friction resistance, stiffness/damping coefficients and critical rotor mass were investigated.

本文采用算子分裂/有限元法计算微极性流体润滑剂的螺旋槽径向轴承承载力、粘性阻力、润滑油膜刚度系数和阻尼系数等特征量，研究轴承的动力特性和稳定性问题。

In this paper, the JFO condition, satisfied with global mass continuity, is incorporated into an universal Reynolds equation with micro-polar fluid which is solved for the oil film pressure using OSM and FEM. The bearing load capacity and friction resistance were given, and stiffness/damping coefficients and critical rotor mass were obtained by solving a pressure perturbation equation with micro-polar lubricants.

本文采用满足全流场质量连续的JFO边界条件，采用微极性流体的广义雷诺方程来求解油膜压力分布，进而获得油膜承载力和粘性阻力等轴承动力特性量；采用小参数摄动法得出油膜压强扰动方程，并采用有限元法解出扰动压强，积分扰动压强获得油膜的阻尼系数和刚度系数，进而求得了表示轴承油膜稳定性的临界转子质量。

The authors analysed naked and transformed groups of fibrous brucite, wollastonite, chrysotile asbestos, sepiolite, palygorskite, clinoptilolite, crocidolite and diatomaceous earth mineral dust s by IR under acid and alkali etching and strong mechanical and polarized molecular interaction.

本文通过酸碱蚀、强机械力和极性分子等表面作用，利用红外吸收光谱手段分析7种重要矿物粉尘的表面基团裸露、转化过程，总结了矿物粉尘表面存在的基团类型及其表面活性位的分布及在不同环境条件下的转化，对讨论粉尘生物活性及矿物表面／细胞物理化学作用过程有重要意义。

A fast algorithm, which is based on polarity correlation method for the calculation of normalized cross\|correlation function, is presented. It is suitable for stationary random signals which have Gauss distribution.

针对工程测试中较常见的具有Gauss 分布的平稳随机信号，提出了一种基于极性相关方法的计算信号间标准化互相关函数的快速算法。

The approach can effectively reduce the complexity of calculation and improve the accuracy of classification,by using dependency and part-of-speech pair and custom polar dictionary.

实验表明，该方法相比其他方法取得了较好的分类效果，是一种可行且有效的对评论极性分类的方法。

Clinical trials show a tendency for those with Cyclothymic Disorder, particularly those with an early onset, to develop bipolar disorder over time.

由於症状轻微，常常没有被诊断出来常常诊断为双极性二型的病人回想起他们早有可以诊断为轻度躁郁症的症状临床试验显示轻度躁郁症尤其是早发型的经过时间会转变成躁郁症15% to 50%会转变成躁郁症

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。