查询词典 propulsor

The integration of structures light weight technology and super high speed boat propulsor to achieve the performance of super high speed yacht.

技术说明结构轻量化技术与超高速艇用推进器技术整合，达成超高速化游艇之性能需求。

Calculation results show that through interaction characteristic optimization, the efficiency of the integrated propulsor can be dramatically increased compared with individual propeller under the same thrust load coefficient.

计算结果表明，与单独螺旋桨推进器相比，在同样的推力负荷下，干扰特性优化可使组合推进器敞水效率大幅度地提高。

Case study shows that remarkable increase in the thrust deduction efficiency could be achieved by optimizing the arrangement of the after-body parameters L, C and propulsor parameterA/A.

实例计算表明，优化设计船体尾型主参数L、C和推进器主参数A/A的搭配，可大幅度提高船后组合推进器的推力减额效率。

It is suggested that the index (1-t2) controlled by all the primary design parameters could be used as the total objective for the hull/propulsor interaction characteristic optimization, which can be carried out by sub-objective optimization controlled by parts of the design parameters and iteration procedure.

推荐采用受控于全部主参数的指标(1-t2)作为船体与组合推进器相互干扰特性优化的总目标，提出了用部分主参数控制的对应分目标优化和迭代来实现总目标优化的简明策略。

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.This causes certain difficulties for the simulation 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。

Apply Genetic Algorithm and CFD technology, in this paper,to calculate the main parameter of WPC96's waterjet propulsor and simulate the flow of the water in waterjet inlet.In addition,analyze the factors that can affect waterjet system efficiency, such as K ,mostly geometry parameters,IVR.

在此基础上运用MATLAB遗传算法和CFD软件——FLUENT对喷水推进器主要参数优化计算以及进水管流场数值模拟进行了研究，并针对影响喷水推进器进水管系统效率的主要参数(如进水速比IVR、喷速比等)进行了分析。

Supported by the National Natural Science Foundation, this dissertation mainly deals with bionics study on Thunniform swimmer, theoretical kinematics modeling and computer simulations, analyzes effects of elastic elements on propulsion efficiency, and experimentally studies a new type of underwater propulsor.

本文以国家自然科学基金项目"仿鱼鳍水下推进器的理论与实验研究"为背景，集中对鲹科加新月形尾鳍推进模式鱼类游动的仿生学研究、仿鱼水下推进器运动学建模与仿真、弹性组织在提高推进效率中的应用、及其相关的新型仿鱼水下推进器等方面进行理论与实验研究。

The two-joint underwater propulsor provides technical foundations for multi-joint robotics fish.

该两关节仿鱼水下推进器的研制，为多关节仿生机器鱼的研制提供了基础与技术准备。

In order to improve the maneuverability of underwater biomimetic fish-like propulsor, we recently study black ghost knifefish which typically uses undulatory locomotion of ventral ribbon fin to produce thrust. The morphology and kinematics of this ribbon fin is analyzed.

为了提高仿鱼型推进器在水中运动的灵活性，选择了典型的依靠腹部绸带状鱼鳍波动运动产生推进力的黑色魔鬼刀鱼进行研究，对此绸带状鱼鳍的形态和运动机理进行了分析，同时对鱼鳍的结构进行简化。

Electric power lightweight torpedo ; integrated motor propulsor; US Navy

电动力轻型鱼雷；集成电机推进器

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。