查询词典 excitation

In this paper,characteristic of excitation system of permanent magnet autocycle start motor is introduced,magnetic characteristic of the permanent magnet excitation system with different material is compared,and the main problems of manufacturing practice are concluded.

介绍了永磁式摩托车起动电机励磁系统的特点，比较了不同材质的永磁式励磁系统的磁性能，总结了其制造工艺的关键问题。

The transition dipole moments of neutral and charged Green1 are compared using 3D transition density, which reveal the orientation and strength of transition dipole moments. The charge redistribution of neutral and charged Green1 upon excitation are shown and compared with 3D charge difference density. The electron-hole coherences of neutral and charged Green1 upon excitation are investigated with 2D site representation.

用3D跃迁密度方法对中性和带电的Green1的跃迁偶极矩进行比较，可显示出跃迁偶极矩的取向和强度；用3D电荷差异密度方法显示出激发后的中性和带电的Green1电荷重新分布，也进行了比较：用2D实空间分析方法来研究中性和带电的Green1处于激发态时的电子空穴相干性。

However, a unique critical excitation energy is revealed in different freeze-out densities when the excitation energy is used as a variable instead of temperature.

当激发能代替温度作为一个自变量时，临界激发能将不再灵敏地依赖于系统的冻结密度。

EA mounted on the either end of rotor shaft can generate impulse excitation force or simple harmonic excitation force with different frequency.

电磁激振器安装在转子的伸出端，产生脉冲激励力或不同频率的简谐激励力。

An effective method for low perming error of fluxgates is to enlarge the peak value of the excitation current, but large amplitude excitation will increase the power consumption.

降低磁通门剩磁误差的有效方法是增大激励电流的峰值，但大的激励电流峰值将增大功耗。

Afterwards, dynamic tests to machining center were processed by using sine wave excitation, pseudo random excitation and impact experiment methods.(3) The frequency-domain parameter identification method was used after the experiments, through which system mode parameters, system characteristic curve and system mode shape were obtained.

运用频域模态参数识别法，得到了系统的模态参数，绘制出了系统的特性曲线，并得到了系统的振型；对所得结果进行了模态拟合验证，较好地揭示了系统的系统特性，为动态优化设计奠定了基础。

The excitation spectra of red PL indicate that there may be an energy gapof about 2.5-2.7eV in the samples.The excitation of lower energy(＜2.5eV)cannot excite the red emission.In the range of measurement,there are a seriesof quasi-continuous energy levels above the gap.

对样品激发谱的测量揭示出在激光制备的多孔硅的纳晶硅中可能存在一个大约2.5-2.7eV的带隙，低于这个能量值的激发光基本上已不能激发样品的红光发射，而带隙以上在所测的能量范围内则存在一系列准连续的能级。

The self and shunt excitation systemonly have one excitation transformer ,and it is the cheapest and the most simple one.

自并励励磁系统只采用一台励磁变压器，是自励系统中接线最简单，造价最低廉的一种。

By introducing the applications of static self and shunt excitation system in large and medium sized steam turbo-generators at home and abroad in recent years,the great advantages of such excitation method are demonstrated.

摘 要：通过介绍发电机自并励静止励磁系统近年来在国内外大中型汽轮发电机中的应用，说明该励磁方式与过去的励磁方式相比有较大的优越性。

By introducing the applications of static self and shunt excitation system in large and medium sized steam turbo-generators at home and abroad in recent years,the great advantages of such excitation method are demonstrated.

杨旭，刘立瑞，莫钰英摘要：通过介绍发电机自并励静止励磁系统近年来在国内外大中型汽轮发电机中的应用，说明该励磁方式与过去的励磁方式相比有较大的优越性。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。