Research on non-contact measurement methods for the dimension of inner diameter based on the principle of optical triangulation;

A study of inner diameter of clinochrysotile nanotubes by means of physical gas adsorption;

An inner diameter laser non-contact measuring method is presented based on the structure characteristic of small part inner diameter,which adopted optoelectronic probe sensitive device(PSD) and laser optical triangulation inspecting principle.

Then the inside diameter of the left and right main coronary artery were measured,the measurements were compared with those of coronary angiography.

In this paper,we introduces a photoelectrical device which use the charge-roast sensor and data processing technology with computer and measure inside diameter of bigger barrels.

A Study on Sonographic Urodynamics in Lower Urinary Tract : Relationship between the Stricture Diameter and its Ratio and the Maximum Urinary Flow-Rate in Patients with Traumatogenic Urethral Stricture;

Animal Experiment and Clinical Study on the Accuracy of B-Flow Technique in Evaluating the Diameter and Area of the Carotid Artery;

The design scheme of mechanical structure and circuit system of measur ing instrument for internal diameter of artillery tube is introduced.

The cathodic protection tests for internal surface protection of the intake steel pipes with different internal diameters by impressed current and sacrificial anode methods are carried out.

Under the high resolution color ultrasound equipment, the morphologic features and the internal diameter of DA were observed and measured, and the range of normal values of the internal diameter of DA at different gestational ages was analyzed.