脉

Foliaceous profound change is simple, shape pouring egg grows a circle, or wrap around needle form; Arteries and veins of exterior midrib, side and net arteries and veins fall greatly sunken and show wave state thick lines, young when body of the gland that be mixed by maize wool, the nervation below is protuberant, close by the fallow thick hair that comprises to astral shape wool by bunch shape wool by, constitute the adornment pattern with one luxuriant leaf, accordingly " annals of picture of plant of high mountain eyebrow " make knit Xie Dujuan again.

叶厚革质，倒卵状长圆形，或倒披针形；表面的中脉。侧脉和网脉深下凹而呈波状粗皱纹，幼时被黄色毛和腺体，下面的叶脉突起，密被由簇状毛至星状毛组成的淡棕色厚毛被，构成一叶华丽的装饰图案，因此《峨眉植物图志》又叫皱叶杜鹃。

Ocrea 3- or 4-veined; leaf blade adaxially with conspicuous midvein and inconspicuous lateral veins.

Ocrea 3或4脉；叶片正面具明显的中脉和不明显的侧脉。 7 P 。 humifusum 普通萹蓄

Ocrea 5-9-veined; leaf blade adaxially with conspicuous midvein and lateral veins.

托叶鞘5-9脉；有明显中脉和侧脉的叶片正面。 16 P 。 rigidum 尖果萹蓄

The results show that the equiaxed zone ratio of the casting billet is greatly increased,with its soidification structure is obviously improved,and the momentum values of the electromagnetic forces both parallel to and perpendicular to the direction of the traveling magnetic field pulsate periodically with time.

采用三相通入不同电流的非平衡线性电磁搅拌技术进行了铸坯的静态浇铸实验，并对电磁搅拌过程中钢液内的电磁力各分量的瞬时值进行了理论分析·结果表明，当采用将电磁搅拌器的三相通入不同电流的非平衡线性电磁搅拌时，在钢液内所产生的电磁力是脉动的，其大小呈周期性变化，尤其是垂直于磁场运动方向上的电磁力，其脉动的幅度很大·由此认为，当采用将搅拌器的三相通入不同电流的非平衡线性电磁搅拌时，所产生的垂直于磁场运动方向上的脉动电磁力是提高等轴晶比率，改善铸坯凝固组织的一个重要原

The phase lag between the pressure wave and velocity wave has been revealed to be accordant with the field synergy principle.

对场协同理论在脉管制冷机中的具体应用进行了研究，数值模拟了小孔型、双向进气型脉管制冷机的动态过程，揭示了脉管内压力波和速度波之间的协同关系。

The study of the geological characteristics, ore-forming condition and genetic type from the Pingdingshan gold deposit, shows that the cryptomerous diorite and dioritic porphyrite in different stages formed a vein rock zone with gold containing ore bodies in the area, and five vein ore bodies were blocked out by spreading out with the NNE direction in the field.

黑龙江嘉荫平顶山岩金矿床的地质特征、形成条件和成因类型的研究表明：矿区内不同阶段的细晶闪长岩、闪长玢岩形成一个含金矿体的脉岩带；矿床范围内圈定5条呈脉状沿北北东向展布的矿体；矿石类型为石英脉型和蚀变岩型；金以裂隙金、晶隙金和明金为主，以银金矿的形式存在，且主要与石英、黄铁矿、毒砂和水云母共生；成矿作用分为热液期及表生期，其中热液期又分为4个成矿阶段，即纯石英阶段，黄铁矿毒砂石英阶段，黄铁矿毒砂水云母石英阶段和石英碳酸盐阶段。

In this paper,the effect of over big pulsating voltage is described,the formation of pulsating voltage is analyzed.

过大的脉动电压造成发电机部件的危害和影响，分析脉动电压的形成，重点论述设计和制造中如何控制脉动电压，以

On the base of the mathematic model of the PMSM, the reasons of the torque pulsation are analyzed. Then the validity of Iterative Learning Control in torque ripple minimization is expatiated. A whole simulation model is developed using SIMPOWER, and the effective of ILC in torque suppressing is proved. The scheme for hardware and software of integrated PMSM are demonstrated in the thesis.

本文在永磁同步电机数学模型的基础上，总结分析了永磁同步电机转矩脉动产生的原因，引入迭代学习控制抑制转矩脉动，利用SIMPOWER工具箱建立了永磁同步电机控制系统的仿真模型，对PMSM控制系统进行了仿真，仿真结果证明迭代学习控制能有效地抑制转矩脉动。

The torque ripple in SRM are relatively higher compared to induction machines. In this paper, based on the experimental data of static torque characteristic, a fuzzy-neural network is applied to learning it's inverse model off line, then according to the predefined torque distribute function, optimal current profile is real-time gained by the FNN on line, which results in a linear, decoupled, low ripple control of torque. The performances of the proposed method is demonstrated by computer simulation results.

与传统交、直流电机相比，SRM的一个最突出的缺点是其驱动系统转矩脉动比较严重，为此，论文提出了一种基于模糊神经网络转矩逆模型的SRM转矩控制方案，并设计了SRM滑模电流控制器，理论分析和仿真结果表明，基于滑模电流控制器的SRM电动机转矩逆模型控制策略能够有效的解耦、补偿和抵消SRM非线性转矩脉动特性，有效的控制SRM相转矩按期望相转矩变化，从而实现了SRM高性能、低脉动转矩控制。

Leaves petiolate; leaf blade papery to membranous, secondary veins 1 or 2 on each side of midvein, tertiary veins parallel, margin usually serrulate.

叶具叶柄叶片纸质到膜质，次脉在中脉两边各1或2，平行的第三脉，边缘通常有细锯齿的。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。