查询词典 tri-ester

To overcome these drawbacks, the application of current mode tri-state modulation technology to the switching power amplifier for magnetic bearings is proposed, as well as its special advantages.

文中首先分析了电流纹波对磁轴承系统的影响，接着分析了电流两态调制技术本身的固有不足及电流三态调制技术在磁轴承开关功放应用中的优势。

Power electronics ; Switching power amplifier ; Magnetic bearing ; Current mode tri-state modulation

电力电子；开关功率放大器；磁轴承；电流三态调制

By using the hybrid-sensitivity scheme, a H〓 controller is devised and H〓 control in the new MB system is compared with that of PID control. The standard bi-state magnetic bearing amplifier have some disadvantages such as high current harmonics, low reliability and the current mode switching for tri-state amplifier is expounded.

首次将H〓鲁棒控制策略应用于集成化磁轴承系统，详细论述了H〓控制器的设计过程，并与经典PID控制策略进行了比较，表明了H〓控制器优良的抗干扰能力和稳定的鲁棒性。

On the manus, the hypothenar pad is the largest and shows tri-radii.

足上的鱼际垫和小鱼际垫是长的，走向与跖面长轴相平行。

Finally, with the language of VB, the process of extractive rectification was simulated with the method of tri-opposite angles matrix and the effect was researched the ratio of raw and solvent, theory plate number and the feed position of raw and the solvent on the purity of mesitylene was studied.

编制VB程序，结合三对角矩阵法模拟萃取精馏过程，并考察了回流比、溶剂比、理论塔板数、溶剂及原料进料位置对萃取分离效果的影响，为下一步的小试提供了数据基础。

The result shown that the lived experience of first tri- mester unmarried women could be divided into 7 themes ,which according to time sequence could be divided into three parts ,including pre-abortion ,during abortion ,and post-abor -tion.The themes of pre-abortion are "shock and not know what to do","confusion and conflict in making decision whether to have an abortion or not",and loss and depression when the decision has been made .

资料分析结果，未婚女性於第一孕期接受人工流产手术的经验历程，依时间序列归纳成手术前、手术中及手术三个阶段，手术前的主题包括：「对怀孕的震惊与不知所措」、「抉择过程的迷惘与冲突」及「抉择后的失落与抑郁」等。

Hydrolysis of completely methylated cellulose gives a high yield of 2,3,6-tri-O-methyl-x-glucose.

完全甲基化的纤维素水解后，得到高产率的2，3，6-三-O-甲基-x-葡萄糖。

Biomethylation is the most common process involved in the metabolism of arsenicals, producing mono-, di-, and tri-methyl arsenic species.

其中，砷的原始摄入形态、代谢产物及中间产物由于不同的物理化学性质，体现了不同的毒性。

TTS Prestige: new 5-tri-spoke wheel standard, Silk Nappa leather standard

语音合成威望：新的5 -三以车轮标准，丝绸纳帕皮革标准

Two ways of tri-electrode selective stimulation of nerve trunk in FNS are proposed in the paper, based on the anodal block in neuroelectroph ysiology.

本文根据神经电生理中的阳极阻断现象，提出了两种用于功能性神经电刺激的三电极选择性刺激方法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。