查询词典 halfwave plate

Research results: The proposals are offered that for ballastless track it should be given priority to lay open latch impressed rail with iron tie plate and spring having bolt, to equip with iron tie plate and single layer or double layers elastic bedding, and to equip with no bed retaining fastenings for sub -rail foundation.

研究结果：提出了无碴轨道宜优先采用带铁垫板的分开式、弹条有螺栓扣压钢轨和铁垫板、单层或双层弹性垫层、轨下基础不设挡肩扣件的建议。

There are three basic types of reconstruction rings:(1) those fixed only to the ilium with superior plate extensions and screws, such as the Muller ring,(2) those fixed to the ilium with plates and inferiorly placed hooks, such as the Ganz and GAP rings ( Fig. 7-43 ), and (3) those with superior and inferior plate extensions fixed with screws that pass into both the ilium and the ischium, typified by the Burch-Schneider antiprotrusio cage Fig.

加强网有三种基本类型：（1）只采用上方钢板及螺丝钉固定到髂骨上，如Muller加强网，（2）采用钢板、螺丝钉和下方钩固定于髂骨上，如Ganz和GAP加强网，（图7－43），（3）采用螺丝钉将上方和下方钢板固定于髂骨和坐骨（图7－44），如Burch-Schneider APC。

Through the study of different structure forms of the cylinder head, influences of different types of structure schemes of the floor plate, head plate, inlet and exhaust ports as well as of jobbing sheet's different locations on the changing disciplines of overall stress level were achieved.

通过对气缸盖结构型式的研究，得到了典型高速大功率柴油机气缸盖的底板、顶板、进气道、排气道采用不同的结构型式，中隔板处于气缸盖的不同位置时，气缸盖整体应力水平的变化规律。

To sette plate bending in jobbing sheet rolling process make use of test technology comprehnsive parameters are tested in jobbing sheet rolling process when plate bending.

中板轧制过程板坯弯曲现象是中板生产中普遍存在的难题。针对这一问题，利用测试技术对中板轧制过程板坯生成弯曲时的轧制参数进行了综合测试，摸清了轧制参数的变化规律及特点，为板坯弯曲的机理研究和设备改造提供了可靠的科学数据

Transfers the bottom type resistance furnace structure outer covering becomes by the steel plate and the section welding, the furnace body welds the system full circle densely by the steel plate, lower part the spatial installment has the turntable support, the kingbolt, on the furnace body foot ledgerwall the installment has the velocity modulation electrical machinery and the transmission gearbox, through the umbrella type gear and the main axle connection, transfers the bottom type resistance furnace's stove village material to use fan-shaped ultra light quality high strength 0.6g/cm3 to conserveenergy the fireproof heat preservation brick, the heat insulating layer uses the aluminum silicate textile fiber felt and the inflation heat preservation powder, the resistance silk thread becomes spiral-shaped, installs according to the average temperature rule in the resistance wire trough, the basealso arranges the resistance wire in the special-purpose trough, in such stove the temperature is even, the work piece and the turntable cannot bump with the resistance wire, resistance wireThe service life is long, is not easy to damage.

转底式电阻炉结构外壳由钢板和型钢焊接而成，炉体由钢板密焊制成圆型，下部空间安装有转盘支撑，旋转主轴，炉体最下部底板上安装有调速电机和变速器，通过伞型齿轮与主轴连接，转底式电阻炉的炉村材料采用扇形超轻质高强度0.6g/cm3节能耐火保温砖，保温层采用硅酸铝纤维毡和膨胀保温粉，电阻丝线成螺旋状，按均温规律安装在电阻丝槽内，底部也布置电阻丝在专用槽内，这样炉内温度均匀，工件及转盘不会与电阻丝相碰，电阻丝使用寿命长，不易损坏。

Transfers the bottom type resistance furnace structure outer covering becomes by the steel plate and the section welding, the furnace body welds the system full circle densely by the steel plate, lower part the spatial installment has the turntable support, the kingbolt, on the furnace body foot ledger wall the installment has the velocity modulation electrical machinery and the transmission gearbox, through the umbrella type gear and the main axle connection, transfers the bottom type resistance furnace's stove village material to use fan-shaped ultra light quality high strength 0.6g/cm3 to conserve energy the fireproof heat preservation brick, the heat insulating layer uses the aluminum silicate textile fiber felt and the inflation heat preservation powder, the resistance silk thread becomes spiral-shaped, installs according to the average temperature rule in the resistance wire trough, the base also arranges the resistance wire in the special-purpose trough, in such stove the temperature is even, the work piece and the turntable cannot bump with the resistance wire, resistance wireThe service life is long, is not easy to damage.

转底式电阻炉结构外壳由钢板和型钢焊接而成，炉体由钢板密焊制成圆型，下部空间安装有转盘支撑，旋转主轴，炉体最下部底板上安装有调速电机和变速器，通过伞型齿轮与主轴连接，转底式电阻炉的炉村材料采用扇形超轻质高强度0.6g/cm3节能耐火保温砖，保温层采用硅酸铝纤维毡和膨胀保温粉，电阻丝线成螺旋状，按均温规律安装在电阻丝槽内，底部也布置电阻丝在专用槽内，这样炉内温度均匀，工件及转盘不会与电阻丝相碰，电阻丝使用寿命长，不易损坏。

A strength model of end-plate was presented by modifying the strength model of the T-stub which was set up by Kulak in 1987 and by presenting two hypotheses about the stress distribution on the beam section located at the connection of beam and end-plate.

对传统T形件连接强度模型作了修正，建立了端板连接节点的端板强度模型。提出了节点处梁端截面应力分布的两个假设，给出了端板屈服弯矩的近似计算方法。

After these, we propose a kind of license plate orient algorithm on the basis of the shape and lamination of the license plate.

在前人的基础上，提出了一种基于车牌形状特性和纹理分析的车牌定位算法。

The two plates are converging at a rate of 80 mm per year, with the Nazca plate moving down and landward below the South American plate.

两个板块每年以80毫米的速度靠拢，纳斯卡板块沿着朝向陆地并偏下的方向在南美板块下方移动。

PZEV vehicles fuel tank used plate steel materials,leadless and environmental protection fuel tank used plate steel ,and comp...

最后，展望了国内燃油箱用钢板材料市场的前景。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。