查询词典 riser

Based on the differential surge tank commonly used in long-distance diversion hydropower stations, in which interconnecting holes with rational cross sectional area were arranged at different elevations of breast wall between outer chamber and gate shaft used as a riser, a study was made on the influences of interconnecting holes on the differential performance and differential pressure of the surge tank, and further surge analysis was performed through a case study.

对于长引水式水电站常用的差动式调压室，分析了其兼作升管的闸门井和大井之间的胸墙在不同高程上布置的面积合理的连通孔，对调压室的差动性能和压差的影响，并结合实际算例进行涌浪分析。

What they produced next completely astonished me: a bullhorn and a riser. There was barely even a crowd there!

她们接下来做的事情让我非常惊讶：一个手提扩音器和一个漱口池。

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。

Gasolinecontained 67.8% aromatic hydrocarbons, 21.47% olefins and a small quantityof alkanes and cycloparaffin hydrocarbons. The enlarging study on blending feed of vegetable oil and petroleumfraction was performed in a Two-Stage Riser.

通过优化各种因素，植物油的转化率达到81.18%，丙烯产率达到19.52%；汽油的产率为30.58%，其中含有67.87%的芳烃、21.47%的烯烃，以及少量的烷烃和环烷烃，其研究法辛烷值为90.3，抗爆指数为83.9。

The studying results are helpful for designing and using offshore deepwater drilling riser correctly and effectively.

本文研究所得到的结果可用于指导深水钻井隔水管的正确设计和使用。

In order to research its natural circulation, the downcomer part and the riser part is distinguished, where there are no mass and energy transferred between them.

该模型为体现其自然循环的特性，将下降段与上升段区分开，并假定两者之间不存在质量和能量的交换。

The gas holdups both in the riser and the downcomer slightly decreased with an increase in superficial liquid velocity.

各级内上升管和下降管的气含率均随表观液速的增大而减小，但影响程度较小。

The ratio of downcomer to riser cross sectional area, the bottom clearance and the ratio of height to diameter of the reactor are proved to be important of the cell growth behavior.

下降室和上升室的截面积比，底部系数，高径比这些几何参数和表观气速都与细胞的生长紧密相关。

Multiphase loop reactors, in which the liquid is circulated mainly by the difference of the density between the riser and downcomer but not driven by the expensive and complex pump, present a lot of advantages for the coal direct liquefaction technology.

本文研究三相连续环流反应器的传质及混合特性，以期为这类反应器的放大、设计和操作提供基础依据，这对于煤直接液化工艺的应用也具有重要的指导意义。

As one of the IODP core technology, the riser drilling vessel "Chikyu" is capable of drilling 7,000m into the ocean floor in deep sea areas with a water depth 4,000m. It is capable of drilling to the seismogenic zone and the upper mantle, and is helpful to reach Japanese IODP scientific goals .

IODP核心技术支撑之一的立管钻探船"地球号"可在水深4 000 m的海底钻进7 000 m，钻达发震带和上地幔，实现日本的IODP科学目标。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？