定向器

光束定向器中膜厚不均匀性对远场性能的影响

Effects of coating thickness non-uniformity on far-field performance of beam director

具体研究浮选器中涡流定向器出口面积与下部环状开口面积之比A＊，以及空气流量与煤浆流量之比Q＊和各浮选参数之间的关系。

The purpose is to study the dimensionless ratio of overflow opening area to underflow opening area , A , and the dimensionless ratio of air flowrate to slurry flowrate , Q.

采样使用国产手提式气压钻机，钻取的岩心直径为25mm，长度为20～50mm，用磁罗盘定向器定向取心。采样间距一般为0.5～5m，但重要界面附近间距达到5cm。

Samples were commonly taken at 0 . 5 ~ 5 m intervals , but the intervals reached 5 cm near some important geological boundary-surfaces . The cores taken were 25 mm in diameter and 20-50 mm in length .

股骨颈骨折内固定导针定向器

Thighbone and cervical bone fraction internal fixing guide pin director

某火箭炮定向器模态参数识别

Modal parameter identification for the director of a rocket launcher

玻璃钢制火箭炮定向器的强度研究

The strength research of the rocket launcher GFRP tube

发射状态下定向器束角速率信号的联合时频分析

Joint Time-frequency Analysis of Angular Rate of Launch Tubes ' Cluster During Launching

导针定向器在三刃钉手术中的应用

The application of an orientator in THREE-FLANGED nail operation

在远处的暴风探测中心，无线电定向器能准确地给闪电定位。

Far away in a storm-location center , a radio-locater can pinpoint the lightning stroke .

多管火箭定向器方位角的控制对多管火箭武器射击精度的影响非常大。

The attitude angle of orientation locator for multiple launch rocket system was controlled that provided a large affection on firing dispersion .

其时间历程包括发射时弹体在管内运行、燃气对定向器束冲击及冲击后定向器束自由振动的振动角速率。

The time history of angular rate includes three stages which are rocket moving in tube , exhausted flow impacting and free vibration after impacting .

中国科学院院士杨叔子曾说：高素质是知识与能力的定向器、放大器。

YANG Shu zi , academician of China Academy of Sciences , said , Higher quality is the direction and amplifier of knowledge and ability .

对火箭弹和定向器束的初始扰动角及扰动角速度绘制了仿真曲线，并对仿真曲线进行了统计计算。

According to the initial perturbation angle of rocket and diectional device and tubulence angular velocity , curves were drawn , as well as it statistic and calculated .

定向器束在发射状态下的振动特性能够反映发射系统动态性能和结构的合理性，并且会影响火箭、导弹武器系统的射击精度。

The vibration characteristic of launch tube in launching state can reflect the dynamic performance and the structural rationality of launch system , and it will influence the shooting precision .

本文对火箭炮定向器作了模态分析试验，用导纳圆拟合法识别了它的模态参数，为研究定向器的动态特性提供了数据。

This paper describes the modal analysis test made for the director of a rocket launcher and the modal parameters identified with the mobility circle fitting method useful data are provided for the study of the dynamic properties of the director .

一种建立水下定向航行器的弹道方程的方法

A Method for Establishing Ballistic Equation of Underwater Directional Vehicle

不过还是用定向推动器比较轻松。

But use your thrusters so you can work easier .

随机光栅定向散射器的设计

Design of the Directional Scatterer Composed of Random Gratings

基于PCM饼干PC的定向计算机等效器

Design of the Orientation Computer 's Equivalent Based on the PCM Biscuit PC

SDQ型随钻定向取心器的研制

Study on SDQ oriented core-taking device with drilling

SDQ-91型钻孔定向取芯器的研制

Development of SDQ-91 Directional Coring Apparatus

旋转式蒜瓣单粒定向取种器的研究设计

Research and Design on Rotary Garlic Single-Clove Directional Seed Metering Device

随钻定向取心器研究

Design of the sdq-94a oriented core-taking device with drilling

定向井斜向器座放方位最优化设计

Optimization design of muleshoe orientation angle in directional well

为优化水平定向钻扩孔器的形状以及尺寸，建立了扩孔器形状优化的数学模型。

In order to optimize the shape and size of reamers , the mathematical model for shape optimization of reamers is established .

M路增量调制移相信号的频谱分析及其在确定定向滤波双工器主要指标中的应用

The Power Spectrum Analysis of a M-Channel Δ M PSK Signal and Its Application in the Determination of the Main Specifications of a Directional - Filter Duplexer

在对蒜瓣外形特征进行测量并统计研究等基础上，设计了旋转式蒜瓣单粒定向取种器的关键部件-仿生种穴排种盘的结构形式。

Based on measuring , statistics and research on configurational characteristics of garlic clove , the key component of rotary garlic single-clove directional seed metering device is designed .

给出了根据这一方法设计并成功地使用在1GHz集成化、积木化接力通信系统中的定向滤波式双工器的特性曲线。

The selectivity and VSWR curves of an experimental duplexer , designed according to the specifications obtained by this method and used successfully in an all integrated and all of building-block construction 1 GHz relay communication system , are also given .

定向井套管扶正器间距计算中的几个问题

Some problems of computing the intervals among the Centralizers of directional well casing

新型大倾角定向振动助流器的研制与应用

New Type Large Inclination Directional Vibration Flow aiding Machine & Its Development and Application