最大转速

The stress and radial displacement will increase with the increment of half cone angle and lead.

螺旋输送器的最大应力强度和最大径向位移均与转速近似地成二次方关系；减小叶片壁厚，沉渣对螺旋叶片作用的正压力所引起的叶片的最大轴向位移增长较快；正常工况下，螺旋输送器的最大应力强度和最大径向位移都随着半锥角和导程的增加而增大。

The max stress and the max radial displacement of conveyor is also proportional to the square of rotational speed. With the decrease of the blade thickness, both the stress and axial displacement of conveyor increase rapidly. The stress and radial displacement will increase with the increment of half cone angle and lead.

螺旋输送器的最大应力强度和最大径向位移均与转速近似地成二次方关系；减小叶片壁厚，沉渣对螺旋叶片作用的正压力所引起的叶片的最大轴向位移增长较快；正常工况下，螺旋输送器的最大应力强度和最大径向位移都随着半锥角和导程的增加而增大。

2Dispense an X of Diamondite Glasswork Restorer across the pad. If you are using a drill or rotary polisher, set the maximum speed at 1800 RPM. If using a dual action polisher, set the speed to 4. Apply the polish on about a quarter of the windshield at a time. Work in an overlapping motion until the polish starts to dry. There is no need to apply pressure to the machine.

在绵盘上使用Diamondite玻璃抛光剂划一个"X"，如果你使用电钻或Rotary则将最大转速调至1800RPM，如果你是使用DA则将转速设为4，每次只在挡风玻璃的1/4大小区域内进行抛光，使用互相重叠的移动方式抛光直到抛光剂开始变得乾燥，你不需要在机器上施加任何压力

Using the 294cc rotary engine, it can influence the maximum rpm and power of the engine output under the terms of using all kinds of length intake. Then it can find out the best length of intake of the rotary engine. In addition, under the terms of space limit of intake, it can influence the maximum rpm and power of the engine output when the intake is forced to limit on a certain length. To install a resonance in the intake system, according to the equation of Helmholtz, it can design the all kinds of size of the resonance. Using to change the volume and geometirc form of the resonance, it can find out the maximum rpm and horsepower of engine output in order to reduce the influence of the variation of engine intake length. Under the verification of the experimental result, this simple device can increase the rpm and horsepower of the rotary engine obviously to achieve the output performance that the engine requires to supply. Such the revisal of intake need the lower cost but it can obtain very obvious efficiency. It is a very feasible way.

藉由一具294cc的飞行器引擎，在使用各种不同长度进气道的条件下，对引擎所能输出的最大转速及马力有一定的影响，藉此找出该具引擎的最佳进气道长度；此外，在进气道因空间限制的前提下，进气道被迫只能局限某个长度以下时，在这种条件下，引擎所能输出的最大转速与马力等相关性能会随之受到影响，在进气系统加装一个共振腔，配合Helmholtz的方程式，设计出各种共振腔各部位的尺寸，利用改变共振腔的体积与几何形状，可以寻求增加引擎转速与输出马力的最大值，藉此降低进气长度变化所带来的影响，在实验结果的验证下，此一简单的装置可以明显的增加引擎转速与马力，以达到对引擎所需的输出性能要求，这样的进气系统修改所需的费用极低，但却可获得很明显的功效，是十分可行的方式。

To all project practicality, the introduction is given to the operational characteristics, the methods for calculation and the researching actuality of the tail tunnels with sloping ceiling underground hydropower stations the Three Gorges. This paper has discussed in detail the characteristic method being the same with the compressive flow and the Priessmann solution being the same with the free-surface-pressure flow. And how to deal with boundary conditions has been expatiated. Also hydraulic transient process of tremendous load fluctuation in the tail tunnels with sloping ceiling has been numerical simulated and the Fortran program for numerical simulation has been given. The paper gain the maximal press for tail end of the shell, the maximal rising rate of rotational speed of generating set, the maximal vacuum degree for inlet of the tail tunnels and so on under 11 kinds conditions of tremendous load fluctuation. These conditions include the design conditions, the check conditions and the superposition conditions. Finally, the computing results have been analyzed and summarized. The end chapter is the general comment of the whole-length content and the describing of the intending view of researching.

本文以三峡右岸地下电站尾水洞设计为背景，从工程实际出发，阐述了变顶高尾水洞的工作特性、使用范围及其研究现状；详细论述了适用有压流的特征线法、适用明满交替流的普里斯曼解法等数学模型；边界条件的给定和明满交替流的计算方法；用Fonran语言编制了数值计算程序，对三峡右岸地下电站变顶高尾水洞的大波动工况进行了数值模拟，分别得出了在设计工况、校核工况和叠加工况下蜗壳末端最大压力上升值、机组最大转速上升值和尾水管进口最大真空度等重要参数；对数值计算结果进行了详细分析并得出了有价值的结论；最后展望了今后水电站变顶高尾水洞的研究方向。

240V and 50Hz Luer lock-type reusable needles, metal hub,18 gauge, 40mm, box of 100 Luer lock-type reusable needles, metal hub, 16 gauge, 25mm, box of 100 Luer lock-type reusable needles, metal hub, 14 gauge, 25mm, box of 100 Luer lock-type reusable needles, metal hub, 20 gauge, 30mm, box of 100 Intravenous catheters, 16 gauge, 50mm (2"0) 3 litre intravenous fluid administration bags, with attached tube Simplex IV Bell or equal, high quality latex, 10cm (4") Tubing Kelley Forceps 14 cm, curved Capacity 1 litre, max 1,000 rpm Mayo Dissecting Scissors 14 cm, curved, standard bevelled blades or equal Metal pre-set multi-dose syringe to deliver 0.1ml, with accessories and spares Batch operation for food/meat Portable, for internal determination of foreign bodies in livestock, and magnetic retractor Multi-dose Syringe, 30 ml capacity, adjustable dose of 1-30 ml Henke Vetmatic metal multi-dose syringes, capacity 10 ml with tube feed Nasogastric tubes, 13mm (1/2) outside diameter abd 2.5m (8 feet) long 'Record' type intr-dermal needles as recommended for mclintock syringe or similar Oral dosing syringe for deworming connect various sizes of supply bottles, adjustable dose of 1 to 50 ml Parasite control sprayer back-pack, minimum capacity 10 litre, hand pump for pressure delivery without taking off back.

- 240V的和50 Luer锁型可重复使用的针头，金属枢纽， 18针， 40毫米， 100盒 Luer锁型可重复使用的针头，金属枢纽， 16个指标， 25毫米， 100盒 Luer锁型可重复使用的针头，金属枢纽， 14个指标， 25毫米， 100盒 Luer锁型可重复使用的针头，金属枢纽， 20个指标， 30毫米， 100盒静脉导管， 16个指标，使用50mm （ 2 & 0 ） 3升静脉输液袋，附有管单纯四贝尔或等于高品质乳胶， 10厘米（ 4 &）油管凯利钳十四厘米，弯曲容量1公升，最大转速1000 梅奥解剖剪刀14厘米，弯曲，标准斜切刀片或等于金属预先设定多剂量注射器提供0.1毫升，与配件和备件批量操作的食物/肉便携式，内部确定异物牲畜和磁缩多剂量注射器， 30毫升的能力，可调节剂量的1月30日毫升亨克Vetmatic金属多剂量注射器，容量10毫升管饲料鼻饲管， 13毫米（ 1 / 2 ）外径阿卜德250 （ 8英尺）长'记录'类型中断真皮针头作为建议麦克林托克注射器或类似口服注射器的驱虫连接各种尺寸的供应瓶，可调剂量为1至50毫升寄生虫控制喷雾器回包，最小容量10升，手泵的压力下交付起飞返回。

The instantaneous angular speed based on the flexible body model underdiffierent faults simulated is calculated, which shows the rule of the instantaneousangular speed fluctuation ratio due to the underpower of a single cylinder. Therefore,the maximum power fluctuation ratio of the instantaneous angular speed is proposed to diagnose the fault of single cylinders underpower.

2进行了基于柔性体模型的柴油机瞬时转速故障仿真计算，揭示了柴油机单缸功率不足的瞬时转速波动规律，提出了采用最大瞬时转速波动率作功峰值的无量纲参数诊断柴油机单缸功率不足故障，并定位到故障缸的瞬时转速诊断新方法，并在船舶柴油机上得到应用。

Moving part that can cause injury to persons is less than 1500 revolutions per minute.

例外1：对于能对人体造成伤害的运动零件的前导边不会被用户碰到，并且其最大转速小于1500r/m的鼓形碎冰机

With this system the table speed can be controlled from zero up to the maximum speed without any mechanical shifting gear mechanism.

采用了这一结构，就可以控制工作台的速度由零直到最大转速，而不需要使用任何机械齿轮变速机构。

When the system starts, the speed outer ring saturats non-functional, the current inner ring plays a major role to regulate the starting current to maintain the maximum so that the speed linear change, to reach a given value; when it operates steadily, the speed negative feedback from the outer ring plays a major role ,to let the speed changes with the given speed voltage , at the same time the current inner ring regulates the armature current of motor adjustment to balance the load current.

该系统起动时，转速外环饱和不起作用，电流内环起主要作用，调节起动电流保持最大值，使转速线性变化，迅速达到给定值；稳态运行时，转速负反馈外环起主要作用，使转速随转速给定电压的变化而变化，电流内环跟随转速外环调节电机的电枢电流以平衡负载电流。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。