surveying compass

The Method to Measure the Water-ratio and Gas-ratio in Petroleum on-line with the Principle of Radioactivity;

利用放射性原理连续测量原油含水、含气率的方法

Woven fabric density measure based on adaptive wavelets transform;

基于自适应小波变换的织物密度测量

A New Method to Improve Precision in Chaotic Measurement;

一种提高混沌测量精度的新方法

The Visual Teaching in the Measurement of Gear Parameters;

谈“齿轮参数测量”的直观教学

Questions of the Factory Boundary Noise Measurement;

厂界噪声测量中若干问题探讨

Development of mathematical model of minimum area method for roundness error estimation and its measuring method;

圆度误差最小区域法数学模型的建立及其测量方法

Development and application of model GNY-Ⅰmeasuring instrument for casing thread makeup torque;

GNY-Ⅰ型套管螺纹扭矩测量仪的研制与应用

One simple and convenient way of precision measuring to tolerance of grinding gear hobber;

齿轮滚刀刃磨误差精密测量的简便方法

Application of the relative coordinate surveying method in mine measurement;

相对坐标测量法在矿山测量中的应用

Using electrochemical reactivation method survey stainless steel grain-boundary corrosion sensitivity;

用电化学方法测量不锈钢晶间腐蚀的敏感性

The Survey and Outcome Analyses on the Noise and Vibration of Type CT500 Wood Surface Planer;

CT500 型木工平面刨床噪声振动测量及结果分析

Measurements and Corrections Methods for Neutron Flux in UHZr Reactor Center Porthole;

铀氢锆堆中央孔道中子注量测量及校正

Linear measurements were made ,while a micrometer measurements of thickness were obtained by a depth gauge.

方法:对30侧成人肩胛骨标本进行测量,分别用千分尺及螺旋测微仪测量长度和厚度,用角度仪测量角度。

The instantaneous planar velocity measurements can be conducted by using of PIV, and this make it become an attractive technique for using in the study of the complex flow fields.

数字式PIV技术可以在瞬间记录下整个测量断面内的信息 ,从而为解决水泵转轮内非定常流动的难题奠定了良好的基础 ,代表着水力机械内部复杂流动测试技术的方向。