导槽

A simple way is used to approximate the curvilinear metal boundary of circular groove guide.

用一种简单方法来近似圆形槽波导的曲线金属边界。

Electromagnetic oven, Leads the material trough, Feed box

电磁炉，导料槽，料箱

With the id￠=0 vector control and the feedforward compensation of cogging, the minimum force ripple and maximum efficiency control of non-sinusoidal BEMF SPM motors can be obtained.

考虑永磁磁链谐波对永磁磁链导数矢量幅值及相位的影响，通过引入d￠q￠轴坐标系，提出一种id￠=0的非正弦波BEMF SPM电机矢量控制新方法，结合齿槽前馈补偿可以实现非正弦BEMF SPM电机的最小推力纹波最大效率控制。

A spring loaded ball catch (4) is mounted at right angles to the guide pillar.

注意，导柱上开有一个凹槽，为钢珠提供了一个缺口。

The indicator element (2) is designed as a waveguide panel, wherein light beams propagate with total reflection and get outcoupled therefrom with a diffractive outcoupling system (2u), such as a grating structure or the like, which is configured as an indicator pattern, for producing an indicator pattern (2a) activable in the indicator element (2) by the action of light, such that divergent recesses and/or grooves of various sizes and/or shapes constitute divergent local gratings of various sizes and/or shapes, such as multi-shaped and/or binary pixels and/or units, the filling factor, shape, profile and/or size thereof being optimized in such a way that the diffraction efficiency is a function of place.

把指示元件(2)设计成波导板，其中光束以全反射方式传播并且从那里通过构造成指示图案的衍射外耦合系统(2u)、如光栅结构等得到外耦合，用于在指示元件(2)中产生可由光作用激活的指示图案(2a)，使得各种尺寸和/或形状的分散的凹口和/或槽纹构成各种尺寸和/或形状的发散的局部光栅、诸如多形状的和/或二元像素和/或单像素的，所述局部光栅的填充系数、形状、轮廓和/或尺寸可以以这样的方式优化，使得衍射效率是位置的函数。

Then the scattering characterist ics of the iris with circular window in circular groove waveguide are analyzed.

然后分析了圆形槽波导中放置圆形膜片的散射特性。

The blast of sublevel caving together with the blast of undercutting, crater opening and slot cutting are brought about successfully at same time in the practice of sublevel drilling and stope mining with nonelectric blast ignition system, and the productivity of mining is increased.

在分段凿岩阶段矿房法回采实践中，用非电导爆管雷管起爆系统成功地实现了阶段落矿爆破与拉底、辟漏、切槽爆破一次同步进行，提高了生产效率。

The blast of sublevel caving together with the blast of undercutting, crater opening and slot cutting are brought about successfully at same time in the practice of sublevel drilling and stope mining with nonelectric blast ignition system, and the product

在分段凿岩阶段矿房法回采实践中，用非电导爆管雷管起爆系统成功地实现了阶段落矿爆破与拉底、辟漏、切槽爆破一次同步进行，提高了生产效率。

Mainly engaged in manufacture of various machine parts: Machine Tools Guide Shield, clothing cable sheath with catheter, engineering towline, aluminum trailers chain, APS towline, metal hose, work lights, protective kits, cooling, machine tools Sizing Block, groove board, aluminum blinds, electrical appliances, such as 30 years ago, that host more than 100 facilities and equipment manufacturers to provide a repair various specifications of products for CNC machine tools guide protection, research and development have made great contributions.

主要经营制造加工各种机床部件：机床导轨防护罩，穿线缆用导管护套，工程拖链，钢铝拖链，APS拖链，金属软管，工作灯，防护套，冷却管，机床垫铁，槽板，铝帘，起重电器等。30年来，以为100余家主机生产厂商配套及设备维修提供了各种规格的产品，为数控机床导轨防护，研制开发作出了很大的贡献。

The new method of Fourier's expansion-difference method that was presented newly for analyzing arbitrary-shaped grooveguide is adopted in order to solve some practical application problems of wave guide in this paper.

为了更便捷地解决波导和谐振腔的实际应用问题，本文采用已提出的一种分析任意截面槽波导的傅立叶展开-差分法对这类电磁场边值问题进行分析计算。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。