臂

In this paper the phase shifts in spiral galaxies M 81 and M 51 has been computed. It is found that the theoretical patterns of the spiral arms agree in general with the observational results of 21 cm radio emission in the main.

本文具体计算了M81，M51两星系的恒星臂与气体臂之间的相移，给出了两星系的星臂乃气臂的式样，与21厘米射电观测结果比较表明，理论与观测基本上是符合的。

Pass contrast studies find that, enter the competition time athlete selected for a sports meet pendulum adopting in springing in three arm posture is: The simple pendulum arm, lays bare an arm pair , lays bare an arm pair.

通过对比研究发现，本次参赛选手在三跳中采取的摆臂姿势为：单足跳为单摆臂、跨步跳为双摆臂、跳跃为双摆臂。

A hammer drill, in particular a chipper comprising: a body 2 having at least one support handle 4; an electric motor mounted within the body 2 ;an electric switch 22, capable of being switched on and off by a trigger button 8 connected to it, to activate or deactivate respectively the electric motor, wherein the trigger button 8 is moveable between two positions, a first position where the electric switch 22 is off and a second position where the electric switch 22 is on; a locking arm 38 moveably mounted on the electric switch 22 which, when the trigger button 8 is located in its second position, is moveable between two positions, a first position where it is disengaged from the trigger button 8 and a second position where it engages with the trigger button 8 and holds the trigger button 8 in its second position.

锤钻特别是錾，包括：本体(2)，该本体(2)具有至少一个支撑手柄(4)；安装在本体(2)内的电动马达；电开关(22)，该电开关(22)能够由连接到电开关(22)上的触发按钮(8)接通和断开，从而分别使电动马达启动或停用，其中该触发按钮(8)能够在两个位置即第一位置和第二位置之间移动，在该第一位置处电开关(22)断开，在该第二位置处电开关(22)接通；可移动地安装在电开关(22)上的锁紧臂(38)，当触发按钮(8)位于它的第二位置中时，该锁紧臂(38)能够在两个位置即第一位置和第二位置之间移动，在该第一位置处锁紧臂(38)与触发按钮(8)脱离，在该第二位置处锁紧臂(38)与触发按钮(8)接合并将触发按钮(8)保持在触发按钮(8)的第二位置中。

The two stage telescopic lattice frame is composed of three boom sections sleeve-mounted together, tail end of the outmost basic boom frame is pivot-connected respectively with slewing mechanism and luffing mechanism on the chassis; the inner two section booms can telescope freely like a retractive antenna to change the delivering distance of the conveyor and the operating radius.

两级伸缩臂架由套装在一起的三节臂架组成，最外层的基础节臂架尾部和底盘的回转机构、变幅机构分别铰接，固定于底盘上；内层的两节臂架可如拉杆天线一般自由伸出和缩回，改变输递机的输送距离，从而改变施工半径。

Results: Obvious behavoiral abnomals appeared in the SD rat in experimental group,and there was alse obviously changes on the cornu anterius medullae spinalis nerve cells on which number decreaed dramaticaly and ultrastructure changed on TEM compared with controlled normal group.

以往臂丛损伤的研究多采用臂丛根性撕脱伤的成年动物模型或模拟临床的大鼠臂丛神经移位模型[2]，至今未见用幼年SD大鼠代替新生鼠模拟临床上新生儿臂丛损伤的动物模型。

A lift arm actuatable by activation of the motor, said lift arm engaging a flush arm within a toilet tank of the toilet so as to cause the flush arm to flush the toilet.

升降臂，可通过开启马达而启动，该升降臂与马桶水箱中的冲水臂接合，以使所述冲水臂引发马桶冲水。

This vehicle adopts Yiqi Jiefang CA5275JQZ special purpose chassis which has full-view driver's cab, high pressure electric spray engine ,Euro Ⅲ emission standards, fits the requirement of the national environment protect announcement the maximum lifting capacity is 20t, the minimum working range is 3.1m, the maximum height of main boom is 31.8m, the maximum lifting height of main and jib boom comes up to 39.2m, the length of all-extended boom is 31.4m,the turning radius is 3.62m and it can 3600rotate continuously .

最大起吊重量为20吨，最小作业幅度3.1米，主臂最大起升高度31.8 米，主臂加副臂最大起升高度达到39.2米，全伸臂长31.4米，回转半径3.62米，360度连续回转。2、采用一汽解放CA5275JQZ全景驾驶室汽车起重机专用底盘，高压共轨电喷发动机，欧Ⅲ排放标准，符合国家环保公告要求。

All metaphases showed three distinct green signals, which have the same size and intensity, corresponding to a normal chromosome 8 and two isochromosomes 8q, and five red signals, of which one was located on a normal chromosome 8 and the another two quite symmetrically on the both arms of each isochromosome 8q, respectively.

结果发现：所有中期分裂相均显示3个绿色荧光杂交信号和5个红色荧光杂交信号；2个绿色荧光杂交信号分别位于2条等臂8q染色体着丝粒处，信号大小和强度均与位于正常8号染色体着丝粒处的1个绿色荧光杂交信号相当；1个红色荧光杂交信号位于正常8号染色体长臂上，另外2个红色荧光杂交信号非常对称地位于每一条等臂8q染色体的两条长臂上。

The invention includes a bridge, a bridge traveling mechanism, a crane trolley, a telescopic boom and a telescopic traveling mechanism; wherein the bridge traveling mechanism drives the bridge to travel longitudinally along the track on elevated beams on the two sides; the crane trolley travels laterally along the track on the bridge; the telescopic boom is arranged between the crane trolley and the bridge, the crane trolley travels laterally along the track on the telescopic boom; and the telescopic traveling mechanism drives the telescopic boom to travel laterally along the track on the bridge.

本发明包括桥架、桥架运行机构、起重小车、伸缩臂和伸缩运行机构；其中，所述桥架运行机构驱动所述桥架沿两侧的高架横梁上的轨道纵向运行；所述起重小车沿所述桥架上的轨道横向运行；所述伸缩臂设置在所述起重小车和所述桥架之间，所述起重小车沿所述伸缩臂上的轨道横向运行；所述伸缩运行机构驱动所述伸缩臂沿所述桥架上的轨道横向运行。

The arm uses stainless steel processing, high hardness zirconia single bearing materials and carbon fiber boom with good shock absorption. In order to prevent overly sensitive, a single point lower oil bearing cup, relying on different viscosity of the oil, is used for tone arm Cremanthodium Discoideum main lever arm to adjust the sensitivity.

臂身采用不锈钢加工，单点轴承采用高硬度氧化锆材料，臂杆采用炭纤维，具有良好减震作用；为防止活动过于灵敏，单点轴承下部做油杯，依靠不同黏度的油、利用唱臂主体的垂头来调整臂杆的灵敏度，更符合使用者的习惯，具有非常好的应用性。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。