高速

Description: 1 Knife roller material: powder metallurgy high-speed steel; 2 Diameter of knife roller: 150-250 ; 3 Speed of knife roller: 200m\min; 4 Service life of knife roller: 1 million blades per time; 5 Scope of application: paper, sanitary belt and diaper, etc; and 6 Technologies:(1) sintering and forging of powder metallurgy high-speed steel;(2) vacuum high-pressure gas-quenching heat treatment.

内容说明：1，刀辊材料：粉水冶金高速钢；2，刀辊直径： 150-250 ；3，刀辊承受速度：为200m\min；4，刀辊单次复磨使用寿命1000万片/次；5，运用范畴：纸类，卫生巾，尿裤等设备；6，需解决技术：①粉末冶金高速钢烧结和锻打②真空高压气淬热处理技术。

At first, the kind of high-speed craft and its current situation are introduced in this paper. Through analyze and compare the characteristics of their performance, three kinds of high-speed craft are selected to be optimized. They are hydrofoil-gliding craft, wave-piercing catamaran and frigate, which power equipment of propulsion system are the common screw, pitch-adjustable screw and water-jet propeller.

本文首先介绍了高速船种类及其推进器的发展现状，通过分析比较各种船型的性能特点，选取了三种典型的高速船(翼滑艇、穿浪艇和护卫舰)并分别以普通螺旋桨、可调距螺旋桨和喷水推进器作为三种船型等动力装置。

To supply power for the appliances in high-speed EMS-maglev (electromagnetic suspension- magnetically levitated) vehicles, the position functions of self and mutual inductance in the linear generator were derived.

为解决高速电磁型高速磁浮车辆供电问题，推导了直线发电机线圈自感及互感位置函数。

The company has the most advanced vacuum cleaner and high-speed series motor production equipment, mainly produce various kinds of smoke and high-speed series motor.

公司拥有最先进的吸尘器及高速串激电机生产设备，主要生产各类吸器和高速串激电机。

According to these theories, a special mechanical test platform is established, the design and debugging of the temperature signal processing board are finished and the data acquisition and analysis system about the High speed motorized spindle is established based on the PC and data acquisition card.

在上述理论研究的基础上，搭建了高速电主轴专用的机械平台，完成了温度信号调理板的设计与调试，并构建了基于PC+数据采集卡的高速电主轴数据采集及分析系统。

Considered the factor of damping,a single degree of freedom s dynamic model of the high-speed cam mechanism is established.Choosing the law of sine acceleration motion as the excitation function,a displacement and acceleration dynamic response equations of the main vibration phase and residual vibration phase,the working dynamic response change curve through the inferential reasoning working end movement equation is derived.The result is obtained that different period and damping ratio have different impact

建立了考虑阻尼因素的等效单自由度高速凸轮机构的动力学模型，以正弦加速度运动规律方程为激振函数，推导出了从动件系统主振段和余振段的位移和加速度动态响应方程并绘制出了动态响应变化曲线，得出了不同阻尼比和周期比对主振段和余振段的动态响应，从而为高速凸轮机构的合理设计提供了一定的理论依据。

According to the reasonable boundary condition and simplified equation,adpotes thedynamic pressure supporting method of combined vane with rotatable supporting part to solve thepresent key difficulties which result from the serious rub of highly rotating single-action vane pumps tator internal surface.

根据粘性流体润滑理论的雷诺方程，探讨了采用可摆动支承面的组合式叶片的动压支承方法，解决高速旋转单作用式叶片泵定子内表面摩擦严重的问题，为与原动机同轴同步高速旋转叶片泵机件的研制提供了一种新的设计方法。

This paper presents a design method of an off-line portable scanner, which can be used without computer. We discuss the system based on a synchronous Digital Signal Processor with multicenter, which is used to gather data with high speed. TIs TMS320VC5402 is a sixteen-bit fix processor, and we make it the core of our control system. Because it can not only handle data with high speed but also manipulate the data by abundant arithmetic/logic operations and determine the results of processing which can be output quickly as images.

本文提出了一种能够脱机使用的便携式扫描仪的设计思想，论述了高速多通道同步DSP数据采集系统，以高性能的TMS320VC5402十六位定点DSP为核心，充分利用其强大而高速的数据处理能力对采集的数据进行复杂的运算，并快速以图形方式输出处理结果。

Abrasive jet machining is a kind of special machining method in which gaseity-solid mixture is formed by mingling high-pressure air or other gas with abrasives. Applied by specially-designed nozzle, these particles impact and erode workpiece so as to remove materials.

磨料喷射加工是利用微细磨料与高压气体混合形成的高速气-固两相流，通过专门设计的喷嘴射向工件，依靠磨料的高速冲击和冲刷作用而实现去除工件表面材料的一种加工方法。

High speed motorized spindle is one of the key technologies in high Speed Machining.

高速电主轴是高速加工的关键技术之一。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。