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Many horses Products: Bits; reamer; countersink drilling / reaming drill; tap; carbide thread milling cutter; cutter; die; white steel universal and dedicated to a workpiece material twist drill; Drilling holes or drilling and tapping Shen composite tool; Center drill and drill centering; high-performance ADX and CDX high-speed steel drill bits carbide drill bits (both outside the convex cutting edge, high efficiency, easy to chip-breaker); Deep-hole Drill the parabolic trough PFX; have "self-thinning thick heart," the characteristics of taper shank twist drill the first A030 (drilled shafts designed to take into account the characteristics of the cardiac thick thinning, re-mill grinding, when no longer horizontal edge); VANGARD Series and SHARK Series high-performance machine tap; particularly suitable for machining aluminum, aluminum alloy, stainless steel and ductile extrusion tap; a variety of rough-cut and fine cut Endmill; Solid Carbide Thread milling cutter and the tap; with TiAIN coating cutting tool used to do: and so on.

钻头;铰刀;锪钻/扩孔钻;丝锥;硬质合金螺纹铣刀;铣刀;板牙;白钢刀通用性的和专用于某种工件材料的麻花钻;钻削和沉孔或钻孔攻丝复合刀具;中心钻和定心钻;高性能的ADX高速钢钻头和CDX硬质合金钻头(均有外凸形切削刃,效率高、易断屑);PFX抛物线槽形深孔钻头;有"自我心厚减薄"特点的锥柄麻花钻头A030(钻槽设计中考虑了心厚减薄特点,重磨时不需再修磨横刃);VANGARD系列和SHARK系列高性能机用丝锥;特别适合于加工铝件、铝合金、韧性钢和不锈钢的挤压丝锥;各种粗切和精切立铣刀;整体硬质合金螺纹铣刀和丝锥;带TiAIN涂层的用于干切削的刀具:等等。

Cache as much as possible. Use memcached - memcached is adynamic web applications by alleviating database load.

尽量做缓存,可使用memcached.memcached是一款高性能的内存对象缓存系统,可用来加速动态Web应用程序,减轻数据库负载。

This is a high performance analog video to digital HDMI video convertor.

这是一个高性能的模拟视频数字HDMI视频转换器。

It's a high-powered electric blaster.

那是一种高性能的用电爆破装置

At last, a high-performance Bluetooth earpiece that's also designed to make you look good.

最后,高性能的蓝牙耳机,同时也是为了让你好看。

ABSTRACT Aiming at problems of trans-vector controller in a vehicle-carried induction motor such as variable rotor and stator resistance following motor temperature, and their inductance varying with flux saturation degrees. Firstly, CSI and VSI are introduced, for CSI, it can hold the advantages both FOC and DTC using stator flux directional, PI parameter and simulation are also introduced. Secondly, equations of IM in the synchronous rotary frame and its static counterpart, as figuring in the saturation condition of magnetic field, are dealt in this paper and the simulation results are presented. Thereafter, the parameter designing of PI trans-vector controller is processed, which features the non-linear model. In practical realization, as neglecting the dynamical change of motor inductance, this paper employs online modification of inductance parameters, according to the flux saturation, then transforms the non-linear equations into linear ones, and so compacts the structure of controller. Thirdly, in view of the maximum torque output is extraordinary requisite when Electrical Vehicle start up, accelerate, and overtake, this paper issues the maximum torque when both inverter and battery capacity is corporeally definite. Fourthly, on-line differentiating and analyzing both rotor's time constants and its flux by using the expanding order reduction and discrete Kalman filter equation are fathomed, in order to realize high-performance trans-vector algorithm, and also the simulation results are presented. Fifthly, the close-loop regenerative brake system, when the EV's torque is set constant, is deduced; at the same time, unification of electric drive model and brake model is executed. Combined with maximum charge current demands, the mathematical model for online yielding torque as a demand.

本论文针对车载异步电机在矢量控制器所遇到的问题:定转子电阻随温度变化及随电机饱和程度变化的转子电感及定子电感而影响电机调速性能提出一套完整的解决方案:分析了电流型逆变器和电压型逆变器在实现矢量控制时控制器参数的计算,分析出对于电流型逆变器在采用定子磁场定向时,其性能同时具有矢量控制和直接转矩控制两者的优势,并对电压型逆变器在转子磁场定向下的模型进行了仿真研究;建立异步电机非线性模型,推导出考虑磁饱和时异步电机在同步旋转坐标系及静止坐标系下的方程,并做出了仿真结果,建立异步电机在非线性模型下的矢量控制调节器的PI参数设计,在实际应用中,若忽略电机电感的动态变化,可以根据当前的磁路饱和状态而在线修正电感参数,从而将非线性方程线性化,降低控制器的复杂度;考虑到电动汽车在起动和加速超车时需要电机有最大转矩输出,本文讨论在逆变器容量一定和电池供电能力有限的情况下电机最大转矩输出问题;推导了异步电机扩展降阶、离散卡尔曼滤波方程在线辨识转子时间常数和转子磁通,用于实现高性能的矢量控制算法,并给出了仿真结果;推导出了电动汽车恒转矩给定的闭环回馈制动系统,实现了电动控制模型和制动模型的统一,而且结合铅酸电池最大充电电流的要求,为制动转矩在线给定建立了数学模型;设计了基于双DSP系统的高性能矢量控制器软硬件框图,并以大量实验数据说明矢量控制在电动汽车应用的实际应用状况。

Bismuth,antimony and their alloys are the low temperature thermoelectronic materials with high thermal performance, and can be used in thermoelctronic, thermomagnetic transformation and detect, and radio generators in far infrared wavelength.

铋锑及其合金是一种高性能优值的低温热电材料,可用于高性能的热电,热磁能量转换和检测以及远红外波段的辐射发生器。

Many horses Products: Bits; reamer; countersink drilling / reaming drill; tap; carbide thread milling cutter; cutter; die; white steel universal and dedicated to a workpiece material twist drill; Drilling holes or drilling and tapping Shen composite tool; Center drill and drill centering; high-performance ADX and CDX high-speed steel drill bits carbide drill bits (both outside the convex cutting edge, high efficiency, easy to chip-breaker); Deep-hole Drill the parabolic trough PFX; have "self-thinning thick heart," the characteristics of taper shank twist drill the first A030 (drilled shafts designed to take into account the characteristics of the cardiac thick thinning, re-mill grinding, when no longer horizontal edge); VANGARD Series and SHARK Series high-performance machine tap; particularly suitable for machining aluminum, aluminum alloy, stainless steel and ductile extrusion tap; a variety of rough-cut and fine cut Endmill; Solid Carbide Thread milling cutter and the tap; with TiAIN coating cutting tool used to do: and so on.

钻头;铰刀;锪钻/扩孔钻;丝锥;硬质合金螺纹铣刀;铣刀;板牙;白钢刀通用性的和专用于某种工件材料的麻花钻;钻削和沉孔或钻孔攻丝复合刀具;中心钻和定心钻;高性能的ADX高速钢钻头和CDX硬质合金钻头(均有外凸形切削刃,效率高、易断屑);PFX抛物线槽形深孔钻头;有&自我心厚减薄&特点的锥柄麻花钻头A030(钻槽设计中考虑了心厚减薄特点,重磨时不需再修磨横刃);VANGARD系列和SHARK系列高性能机用丝锥;特别适合于加工铝件、铝合金、韧性钢和不锈钢的挤压丝锥;各种粗切和精切立铣刀;整体硬质合金螺纹铣刀和丝锥;带TiAIN涂层的用于干切削的刀具:等等。

In this paper, the Latex coating materials with high performance of fungicideand antifungal was fabricated, which is used in the condition with high humidityand plenty of bacteria. The latex coating can form a layer of dense, polish,smooth film which can be used repeadedly.

本次研究的目的是得到高性能的防霉杀菌涂料,用于较高的湿度、营养源丰富,常常有大量的细菌、霉菌浸袭的苛刻环境中,为此,高性能的抗菌乳胶涂料一定要能形成致密的涂膜,同时要求易施工,耐擦洗万次以上,涂膜平整、光洁,在反复洗刷和消毒及在高温、高湿条件下,抗菌防霉效果不减弱,而且涂膜安全、低毒,可反复使用。

The former is composed of all points of this quorum, while the latter is composed of some points with higher reliability. Based on those two kinds of quorums, the self-adaptive fault-tolerant protocol is to ensure higher availability and performance as possible.

同时,此系统的quorum被划分成为由若干高可靠性节点组成的高性能子quorum和由全部节点组成的选择quorum两类quorum,采用自适应容错协议来满足高可用性和高性能的要求。

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推荐网络例句

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。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。