向轴的

Therefore, on the base of previous work, improvement is brought about and digital variable displacement axial piston pump controlled by SCM and driven by step motor is brought forward in the subject.

因此，本课题在前人的基础上，对其进行改进，提出了利用单片机控制，步进电机驱动的数字变量轴向柱塞泵。

First based on the basic principles of hydraulic pumps, the axial piston pump is introduced combining with their own characteristics.

首先从液压泵的基本原理着手，结合轴向柱塞泵自身的特点进行介绍。

In order to find out the reasons of the plunger pump damage,the destroyed situation of the axial-plunger pump in the hydraulic shearing machine.

通过分析液压剪轴向柱塞泵的破损情况，找出了柱塞泵损坏的原因。

A quasi three dimensional numerical method is developed for predicting the steam flow and heat transfer behavior of condenser. It is applied to a one pass large power plant condenser.

为了研究凝汽器流动与传热特性沿轴向的变化，文中发展出一个凝汽器汽相流动与传热特性的准三维数值计算方法，应用该方法对一大型凝汽器汽相流动与传热特性进行了数值模拟。

The research result cannot satisfy the need of engineering design.In this paper, according to practical liquid differential equation ,allowing for moving rule and characteristic of moving field of vertical vortex , simplifying N-S equation, I have studied the discipline of condition, velocity and pressure of vertical vortex and analyzed some theory solutions such as plain vortex solution and solution in axial direction.

本文从实际流体运动微分方程出发，结合立轴旋涡运动规律和流场特征，采用对称恒定性假设，简化N—S方程，研究了立轴旋涡的水流流态、速度与压力的分布规律，分析了若干理论解，如平面螺旋流解、轴向流解等。

This paper examines the cracks appeared in the retaining wall beside the FeiYuze tunnel uplink secondary lining vault. The seismic CT technology was used to investigate the engineering geology structure of the covering rock mass above the tunnel. The results indicate that the rock mass had three fracture zones along tunnel axial and the rock mass quality in the small mileage entrance section was poor.

针对飞鱼泽隧道的上行线二衬拱顶靠档墙处出现裂缝，经地震CT技术查清隧道上所覆盖岩体的工程地质结构结果表明，沿隧道轴向存在三个岩体破碎带，其中在小里程入口段，岩体完整性较差。

According to the applicable standards, there is only the requirement on the vertical bending vibration frequency of the carbody to be higher than 10Hz, while there is none against the frequency of transverse bending vibration and the carbody torsion vibration around the longitudinal axis.

根据有关标准，只要求车体的垂向弯曲振动频率大于10Hz，对侧墙横向弯曲振动频率、车体绕纵向轴扭转振动频率没有具体要求，因此在进行车体模态分析时，把顶盖看成设备，而不必考虑顶盖结构的影响。

Cobalt phthalocyanine was synthesized and self-assembled on the surface of nanoscale tin dioxide (SnO2) by in-situ process, marked as i, and Co-O interaction was verified to conjugate axially between macromolecule and SnO2 in CoPc/SnO2.

报道了酞菁钴分子原位自组装于纳米 SnO2 颗粒表面， CoPc 大环分子与 SnO2 表面形成 Co—O轴向相互作用，测定了原位合成方法制备的 CoPc/SnO2与浸渍法制备 CoPc/SnO2间的结合特性，并进行了可见光光催化表征及 CoPc 敏化机理探讨。

The piston pump has many kinds of structures; the variable displacement axial piston pump with a swash plate is a better kind among them and could best match the requirements of large flow, high pressure, and small volume. It also has a advantage of easily realizing the control of flow and pressure.

柱塞泵有许多结构形式，斜盘式轴向柱塞变量泵是诸多柱塞泵结构中结构比较先进，最能适应现代作业大流量、高压力、体积小要求的柱塞泵结构形式；并且对于实现多种流量、压力控制有着较大的优势。

The revolving direction,internal oil hole position and spline shaft of the domestic pump are modified to meet the installation requirement.

为了满足安装的要求，对国产齿轮泵的旋向、内油孔位置和花键轴等进行了改造。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。