1) poles
[英][pəul] [美][pol]
极数
1.
The testing items for moulded case circuit-breaker with different poles in same frame size in certification based on technique were analyzed.
介绍了3C认证中塑壳断路器的试验项目和要求,对认证中同一壳架等级的不同极数的塑壳断路器试验项目进行了技术分析,并对试验项目的覆盖情况进行了探讨。
2.
Its structure features, choice of number of poles and phases, as well as calculation of its electro magnetic traction effect are discussed.
提出了一种新型牵引电机——开关磁阻式直线电机(LSRM),对其结构特点、极数和相数选择及电磁牵引力的计算进行了论述,该种电机可望解决目前磁悬浮列车用交流直线电机功率因数低、效率低的问题,具有广泛的应用前
2) Ion polarity ratio
单极系数
1.
The results showed that negative air ion concentrations increased gradually and ion polarity ratio decreased gradually from city center to suburb.
结果表明,从市中心向郊区空气负离子浓度逐渐增大,单极系数逐渐减小;有林地区空气负离子浓度明显高于无林地区,针叶林地区全年平均空气负离子浓度高于阔叶林地区,但春、夏季节则阔叶林地区高于针叶林地区;有瀑布和溪流等动态水的地方空气负离子浓度明显增加;室内空气负离子浓度低于室外,但绿色植物可使室内空气负离子浓度增加;一天中白天空气负离子平均浓度高于夜间,一年中夏季最高、冬季最
2.
Based on three years of observation on the spatio-temporal changes of negative air ion concentrations in Beijing, air quality was assessed using ion polarity ratio and air ion assessment index (CI).
根据北京地区3年的空气负离子浓度时空变化的实测资料,利用空气离子单极系数及安倍空气离子评价指数对北京地区空气质量进行了初步评价。
3) polarity index
极性指数
1.
The polarity index ((O+N)/C atomic ratio) and components (waxes, cutin monomer, polysaccharide) of all cuticular fractions were characterized by elemental analysis and the recoveries of each fractions were determined.
5%生物高聚物(cutan)组成,脱蜡、皂化脱角质单体后角质组分的极性指数((O+N)/C)增大,而酸解脱糖后(O+N)/C则减小。
2.
Sorption nonlinearity was found to be a function of the polarity index of sediments natural organic matter(NOM), suggesting that the degree of condensation of NOM, characterized by its polarity index, was correlated with the sorption behavior of 1,2,4-trichlorobenzene.
研究表明,所有的吸附等温线均表现出明显的非线性,且非线性的程度与以极性指数(O+N)/C呈负相关关系,表明NOM的聚合度(以极性指数为表征)直接影响着吸附非线性程度。
3.
According to Kier’s molecular connectivity coefficient theory, the polarity index which is on the base of molecular connectivity coefficient and functional groups contribution index was used to denote polarity.
根据Kier的分子连接性理论,利用分子连接性指数与官能团贡献参数得到的极性指数来推断溶剂的极性,根据萃取剂极性指数与被分离体系中各组分极性指数的差异来选择萃取剂,即萃取剂的极性指数与被萃取组分的极性指数差异尽可能小而于其他组分的极性指数差异大。
4) magnetic pole parameter
磁极参数
1.
Relationship between the sealing performance of nanometer magnetic fluid and magnetic pole parameters;
纳米磁性流体密封性能与磁极参数关系的研究
5) Polarization parameter
极化参数
1.
In this paper,the estimation of signal DOA and polarization parameter through ESPRIT is first proposed,then based on the matrix perturbation theory,the first order correction method of matrix eigen decomposition to .
分析了如何运用ESPRIT算法得到信号的DOA和极化参数,并在矩阵扰动理论的基础上,利用矩阵特征分解一阶修正方法更新特征值和特征向量,从而使得ESPRIT算法能够自适应地估计信号DOA和极化参数。
2.
The authors introduces the measurement of bottomium production cross section,the method to extract polarization parameter and the calculation of trigger rate with the CMS(Compact Muon Solenoid) detector on LHC(Large Hadron Collider).
介绍了在大型强子对撞机(LHC)上的CMS探测器对底夸克偶素产生截面的测量方法、提取极化参数的算法以及触发率的计算。
6) Polarized function
极化函数
补充资料:极数
1.穷尽其技艺。 2.穷尽其道理。 3.最大的数目。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条