1. CTDI was reduced and X-ray tube efficiency is improved.

2. X-ray tube is the core component of X-ray machine and has made considerable congress due to constantly emerging of new material and technology.

3. The invention describes an X-ray tube (100) comprising an ion manipulation arrangement (140) having at least one ion collector electrode (141).

4. The X-Ray tube focal spot is obtained by convergence of static field on the electron beams.

5. Rotating around you, the x-ray tube and electronic x-ray detectors are located opposite each other in a ring, called a gantry.

6. This paper introduces a high-volt generator of X-ray tube with low power and high stability for X-ray fluorescence analysis system.

7. X-rays from the anode of the x-ray tube fluoresce an adjoining, independent target that produces a monochromatic spectrum, a portion of which is focused by the x-ray optical system.

8. Objective To study the relationship between x-ray tube potential and patient dose, and to explore the way to reduce the dose.

9. MINIMAM UTILITIES: Air-cooled small X-ray tube and gas filled proportional counter have been employed, and the only requirements are AC Power Source and Helium Gas.

10. Conclusion Radiation injuries may effectively decreased with reducing X-ray tube voltage and exposure level under the precondition of X-ray image quality to be guaranteed.

11. The tube assembly consists of an Unipolar X-Ray tube with cooled anode at ground potential and a high voltage receptacle socket.

12. The Xianghui electronics tube factory which lies in Daye city in the province of Hubei is a profession to produce the ripples porcelain and ceramics X-ray tube and set of equipments.

13. Results The experiment demonstrated that the circuit was efficient for the rotating anode X-ray tube.

14. In this paper we discussed the means and skills of how to replace of the X-ray tube, and pointed out attention during the course of replacement of the tube.

15. It is described a filter (300) for at least partially compensating for an X-ray tube (10) the target angle heel effect and preserving the tungsten spectrum of the X-rays.

16. So it is quite important for the XRFA system with X-ray tube excited resource that HV power supply has high reliability, good stability and automatic regulation.

17. Objective To design and develop a high-volt generator for mobile photon radiation therapy system's X-ray tube.

18. The dependence of the intensity of grazing emission X-ray fluorescence on the anode voltage of X-ray tube has been investigated.

19. This avoids ion bombardment on an electron emitter (111) of the X-ray tube (100).

20. In a cardiac CT scan,() you lie on a table inside a doughnut-shaped machine. An X-ray tube inside the machine rotates around your body and collects images of your heart and chest.

21. The purpose is to improve the performance of flash X-ray tube produced at present time.

22. Objective To design a starting circuit for the rotating anode X-ray tube.

23. The detection threshold concentration of iodine was determined by inspecting radiographic images at a range of X-ray tube voltages and input exposure levels.