outer tube

a sealing top cap is further provided at the front part of the outer tube, wherein the front end of the handspike is in an arc shape.

and an unclosed end of the outer tube is externally connected with a steam pipe (or a hot water pipe) for collecting steam (or hot water).

These successive processes made outer tube growth and finally result in a stable closed single-walled carbon nanotube with a larger radius.

The administration device includes a hollow outer tube and a handspike for sliding and push pull on the inner wall of the outer tube.

A telescopic police baton, belonging to the police supplies, comprises an outer tube, a middle tube and an inner core.

The annular space between the outer tube and inner tube is evacuated to virtually eliminate heat loss by conduction and convection.

the outer tube small four-way is provided with an outer tube oil tube hanger that can pass through the large four-way into the sleeve tube.

The exterior of the puncture needle outer tube is also provided with a jacket tube.

For shearing force lag in outer tube, sections of beams in outer tube are augmented and sections of corner columns are adjusted.

Minimum clogging thanks to the redesigned opening at the end of outer tube.

Two ends of an inner tube are fixed inside the outer tube by a support.

The cleaning tube comprises an outer tube and an internal valve.

However, when the length of outer tube exceeds twice of the inner one, its effect becomes more and more weak.

the integral outer tube is convenient for processing, and the cost is reduced.

In one embodiment, a device can include an outer tube.

This coated inner tube is closed at one end and sealed at the other end to the outer tube.

and 3, welding the copper capillary tube and the outer tube.

The front end of the outer tube is in arc shape, and a through hole is opened at the middle of the arc;

two grabs respectively fixedly connected with the end portions of the two inner tubes protruding out of the opening of the outer tube;

The outer tube, the middle tube and the inner core are all conical tubes;

Effect of Airlift Photobioreator's Diameter Ratio of Inner Tube to Outer Tube on the Growth of Isochrysis galbana