查询词典 rotational speed

The effects of impeller types, baffles, gas sparger, rotational speed, gas volumetric flow rate and particle fraction on mixing time were systematically investigated in three-phase gas-liquid- floating particle systems by measuring the temperature difference using thermocouples.

在釜径386mm的搅拌釜内，采用热电偶温差法考察了搅拌桨型、挡板、气体分布器等结构因素和转速、气量、颗粒分率等操作因素对自浮颗粒三相搅拌混合的液相混合时间的影响。

Surge chamber ; transition process ; closing of guide blades ; rising ratio of rotational speed ; inside water pressure

调压室；过渡过程；导叶关闭规律；转速上升率；内水压力

Secondly, the cutter of the machine was studied from reducing vibration, emphasis on knives array, homeostasis. To apply "ANSYS"method, At the same time, it was known that inherent frequency of the main axis was so far higher than vibratory frequency, and the machine main axis'rotational speed won't cause sympathetic vibration.

其次，本文从减少振动入手对9LRZ-80型秸秆揉切机的关键部件切碎器进行分析，着重对动刀片的排列、动平衡等进行分析研究，并通过有限元分析，得到切碎器主轴固有频率远远大于机器振动频率，机具的转速不会造成共振的危害。

The tachometer can be used to measure the rotational speed of engine and display time.After experimentation,the r...

该无线转速表能够实现转速测量及时间显示功能，并对其功能和性能进行了测试，实验表明，该系统性能稳定，使用方便、可靠。

Transmission is one of the key parts of automobile driving system. Its main function is to change torque and rotational speed from engine and to meet the requirements of tractate force.

摘要变速器是汽车传动系中最主要的部件之一，它的主要功用是改变发动机的扭矩和转速，使之适应车辆的牵引力要求。

Turbojet engine ; main fuel control system ; rotational speed control system ; mathematical model ; simulation

涡喷发动机；主燃油系统转速控制系统；数学模型；仿真

A turbojet engine and its main fuel control system with hydro-mechanical regulator are studied. The rotational speed control system is modeled according to the analysis of the engine control program.

以某型涡喷发动机及其主燃油系统的机械液压式调节器为研究对象，在考虑其控制规律的前提下，建立了转速控制系统及其各部件的数学模型。

According to the requirements of the transmission fault diagnosis system's real-time performance,an acquisition method that synchronizes the rotational speed signal and the vibration signal is proposed.It realizes uniform angular sampling when the shaft moves in variable motion.

根据汽车变速箱性能检测系统的实时性高的需要，提出了一种基于NI公司的DAQmx的多通道数据同步采集方法，实现了在变速运动下转速信号和振动信号的精确等角度同步采集。

Is coaxial actuates a alternator based on Simens PLC and its the network direct current velocity modulation system by a direct current motor, the direct current motor to actuate with the direct current velometer and to be loaded with revolves the encoder examination rotational speed; The generator electricity generation voltage after the numeral demonstrated the table demonstrated and delivers to the PLC simulation quantity load module.

在工业控制过程中，继电接触器控制系统因其没有运算、处理、通讯等功能，而不能完成复杂的控制方式，20世纪60年代PLC控制系统应运而生，它综合了计算机技术、自动控制技术和通信技术等现代科技，是当今工业自动控制的标准设备之一；70年代以后，又相继出现了集散控制系统DCS、现场总线控制系统FCS，现在以及今后很长一段时间内会是三种控制方式并存的局面，在这一背景下该文分析PLC控制的现状及发展前景。

The results reveal that, in some cases, the efficiency of helical gear is not as good as that of worm and wheel drive ; however, the efficiency of the worm helical gear drive in certain torque and the scope of rotational speed is still more close to that of worm and wheel drive.

结果发现虽然斜齿轮与蜗杆的传动效率在试验中不如蜗杆蜗轮传动，但是在一定的转矩和转速范围内，蜗杆斜齿轮传动的效率还是较接近蜗杆蜗轮传动。

What are your goals and strategies for growth?

你的成长目标和策略是什么？

And unto the angel of the church in Sardis write; These things saith he that hath the seven irits of God, and the seven star I know thy works, that thou hast a name that thou livest, and art dead.

3：1 你要写信给撒狄教会的使者，说，那有神的七灵和七星的，说，我知道你的行为，按名你是活的，其实是死的。