查询词典 propulsor

The technique of integrate motor in propulsor and the technique of special Brushless D.C. Motor are also discussed.

论文主要对这种推进器中所集成的特种电机进行了研究分析，并对电机与泵的集成技术进行了初步的研究。

The controller designed for the propulsor works well. The method of design Brushless D.C.

论文接着探讨了集成电机控制器的设计方法，并完成了控制器的设计和制作，并用于推进器样机的控制。

Analysis of vibration of bottomhole assembly with downhole hydrodynamic propulsor［J］.

带井下液力推进器的钻具组合振动分析［J］。

In this paper, the theory of waterjet propulsion system and the characteristic of waterjet propulsion technology has been researched. Apply Genetic Algorithm and CFD technology, in this paper,to calculate the main parameter of WPC96s waterjet propulsor and simulate the flow of the water in waterjet inlet.

本文以大型穿浪双体船WPC96为研究对象，系统地论述了喷水推进系统的基本结构和理论，研究了穿浪双体船喷水推进系统主要参数的优化，并对喷水推进船舶的推进效率进行了系统理论阐述。

On the basis of analyzing pump-jet propulsor, inside flow fields are numerically simulated by using the software FLUENT, on the condition of setting up the physical models and the mathematic models and determining the boundary conditions.

在分析泵喷射推进器的基础上，建立了其数值仿真的物理模型和数学模型，确定了求解的边界条件，利用CFD软件FLUENT对泵喷射推进器的内流场进行了数值仿真。

The thesis introduces the conception and characteristic of the ship electrical propulsion system, analyses the podded propulsion, and introduces the structure and characteristic of the double podded propulsor.

文中首先介绍电力推进系统的概念及特点，对吊舱式电力推进进行简要的分析，并对吊舱式电力推进器的结构及特点进行介绍。

The Hubless Rim-Driven Propulsor is an extention of brushless PM motor in recent years. Because its good performance, it is very suitable for small remotely operated vehicles.

中文摘要无毂环驱式推进器为近年来无刷永磁马达发展下的产物，由於其良好的性能表现，很适合应用在小型无人载具上。

We found that the best propulsor's efficiency occurred at 2m/s inflow velocity and 2000rpm rotation rate.

文中发现在入流流速Vs=2.00m/s、转速n=2000rpm下，有最佳的推进器效率表现。

DPS is a rather complicated system,as each Z type propulsor has its own computer chips and remote controller for recieving the signals from PID system during the period of the model experiment.

由于DPS是一个较为复杂的系统，在进行模型试验时，每个Z型螺旋桨都设有计算机芯片以及遥控装置，用以接收PID系统发出的指令，为模型试验的模拟也带来了一定困难。

The velocity distributions and the surface pressure distributions of rotor blades and stator blades are acquired, furthermore, the efficiency and the thrust of the pump-jet propulsor are calculated, to lay foundation for the design and the optimization of pump-jet propulsors.

获得了泵喷射推进器转子叶片和定子叶片上的速度分布及其表面压力分布，并由此计算了泵喷射推进器的效率和所产生的推力，为泵喷射推进器的设计及其优化打下了基础。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。