轴

The acute reaction of neurons against axon repellents is the collapse of growth cones, while the chronical reaction is the change of axon growth direction when they are cocultured with repellents secreting cells.

神经轴突对神经生长排斥因子的急性反应是生长椎的萎缩；将神经元与分泌排斥因子的细胞共同培养时引起的慢性反应是轴突生长方向的改变网。

Results The diagnostic accuracy of cut film with conventional AP and lateral views was 80.5%, the diagnostic accuracy of cine film with angulated views was 90.0% and the diagnostic accuracy of DSA using non-ionic contrast medium with angulated views was 96.5%.

结果用快速换片心血管造影设备和常规正侧位元投照时的儿童先天性心脏病心血管造影诊断符合率为80.5%，用电影心血管造影设备和轴位元成角投照技术时的造影诊断符合率为90.0%，采用数字减影心血管造影设备，轴位成角投照技术和非离子型对比剂时的造影诊断符合率为96.5%。

The entire cycle of events in the machine requires these steps: the speed reducer promotes the revolving of centering axis, there is a cinquefoil shelf connected on the top of the axis, and the roller device is equipped on the shelf and forms a swing pivot.

工作原理Working Principle MTM中速T形磨粉机主机工作过程是通过减速机带动中心轴转动，轴的上端连接着磨辊吊架，架上装有磨辊装置并形成摆动支点。

Has analyzed this company new product (after *SR-30, SR-24, SR-20,*SR-16, the SR-13 3/8 series) the production craft, the treating processes and the production efficiency, design a set primarily to include the guide rail, the driving gear, the chain drive, the reduction gear, the electric motor, the shaft coupling, the axis, the bearing, the key, the circlip by V installment and roll spare part and so on drive wheel installments,And completes the correlation selection and the corresponding mechanics examination, with realizes two to need the butt weld the marine riser automatically to, and in the synchro completes the further welding after the spot welding.

分析了该公司新型产品（包括＊SR-30、SR-24、SR-20、＊SR-16、SR-13 3/8系列）的生产工艺、处理过程及生产效率后，设计出一套以V型装置为主包括导轨、驱动轮、链传动、减速器、电动机、联轴器、轴、轴承、键、弹性挡圈及滚动轮等零部件的装置，并完成相关选材及相应的力学校核，用以实现两根需要正对焊接的隔水管自动对中，并在对中点焊后同步转动以完成进一步的焊接。

Based on Chen's model about axial flow induced vibration of a rod bundle in an unbounded domain, a mathematical model concemed with circular domain is presented, and the expressions for fluid forces are given in detail.

三、基于Chen关于无界域轴向流动中棒束流致振动的模型，推导了有界域棒束轴向流致振动的数学模型，得到了关于流体力的表达式。

The following are the expressions for the mean pressure set up at the detection plate and for the time of the signal to progagate from the radiator to the detector:这里是1个公式,省略） where Re is the real part of the expression appearing within the braces, 0 is the density of the medium, vo is the amplitude of the vibrational velocity, c is the speed of sound in the medium, d2 = I +(r/zcos 8, z is the distance between the emitting and receiving plates, B is the angle between the axis of the acoustic channel and the axis of the tube, r = vro/c, v is the flow speed of the fluid, d is the diameter of the pipe, m is the circular frequency, k is the wave number, where a is the radius of the plate (this is taken as the same for the emitting and receiving plates for simplicity, but there is no difficulty in discussing plates differ~mg in radii),,~ is the vibrational frequency of the emitting plate, and The triple sums in the expressions for N~ and N2 may be neglected if the flow speed is low, since the contributions for these become negligible.

以下的表情为代表的压力设置在检测板甲，手持骑枪和时间的信号 progagate从散热器排出到检测器(这里是1个公式、省略)。在什么地方才是真正的出现在背带，表现为0密度的吗当时的媒介的振幅振动速度、c是声音的速度中、d2 =我+ r / z，8、z是距离的发射和接收板、B之间的角度对声信道和轴轴管，r = vro / c，v的流体的流动速率公式，d 管直径的圆频率，m，凯西是波数公式* n，一个是半径的板(这是作为相同的发射和接收吗为了简单，但板板是毫无困难地讨论不同半径)、镁-，~的振动频率的发光，。总结了三倍的表达方式和N2 ~能忽略的流量速度低，因为这些变得微不足道的贡献。

The following are the expressionsfor the mean pressure set up at the detection plate and for the time of the signal toprogagate from the radiator to the detector:这里是1个公式,省略） where Re is the real part of the expression appearing within the braces, 0 is the density ofthe medium, vo is the amplitude of the vibrational velocity, c is the speed of sound in themedium, d2 = I +(r/zcos 8, z is the distance between the emitting and receiving plates, B is the angle between the axis of the acoustic channel andthe axis of the tube, r = vro/c, v is the flow speed of the fluid, d is thediameter of the pipe, m is the circular frequency, k is the wave number,where a is the radius of the plate (this is taken as the same for the emitting and receivingplates for simplicity, but there is no difficulty in discussing plates differ~mg in radii),,~ is the vibrational frequency of the emitting plate, andThe triple sums in the expressions for N~ and N2 may be neglected if the flow speed islow, since the contributions for these become negligible.

以下是表达式平均压力为定于检测板和为信号时间progagate从散热器到探测器：（这里是1个公式，省略）假如再是出现在大括号表达式的实部，0是密度中期，沃是速度的振动幅度，C是健全的速度中，D2中=我+的导向8，z是对之间的距离发射与接收板，B是声之间的通道轴角该管的轴，R =中心内大多分为/荤，v是流体的流动速度，，D是管道直径，m是圆频率，k是波数，的其中一盘是半径（这是为重点，同样的发射与接收为le简单板，但没有讨论板的困难，在半径不同毫克），，是发光板振动频率，和在N的表达式的三重总结和N2可以忽略，如果流速低，因为这些变得微不足道的贡献。

An algorithm of finding minimum circumscribed circle for the analysis of coaxial errors is proposed. The aim of the analysis together with FEM modeling is to overcome the difficulty of data collection on machinery in operation. An axis is divided into n-sections.

针对工作状态下机械零部件同轴度误差数据采集难的特点，结合有限元后处理，提出了一种通过求解一组投影圆心坐标的最小包容圆来实现分析同轴度误差的计算方法。

It shows that if confined pressure σ3 and temperature T are constant, theeffect of axial stress σ1 on creep and creep rate is similar to that of clay stone.

通过对盐岩进行的不同温度和应力水平下的三轴蠕变试验表明，在围压σ3 和温度 T 不变时，轴压σ1 对蠕变和蠕变率的影响与泥岩相同。

This is a rotation of the windmill, by the three major axis and the axis composed of three small windmill, and into a clockwise rotation, the center of the color change cycle.

详细说明：这是一个旋转的风车，由三个大轴和大轴上的三个小风车组成，且成顺时针转动，中心的颜色成周期变化。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。