TNAG-1508-FCO40-2066-Guangdong-nuclear-power-station-project-at-Daya-Bay-safety-c-1987 — Page 82

regulating

the

to

their

quick return of the charged particles

orbits, and the vacuum system for preventing collisions between

charged particles and gaseous elements.

3.

particles

in

Beam leading mechanism This ensures that the beam of

accelerated to rated energy are led down directly

or that it hits the target to produce

their envisaged direction,

secondary particles (photons, mesons, neutrons, hyperons and all

kinds of reaction particles) and radioactive rays.

At

the present

obtainable from

following

beams,

primary particle

an accelerator: proton

deuterium beams,

helium ion beams and various heavy ion beams and electron

beams

are

ion

beams, even polarized particle beams can be

obtained. Electron

beams

are

most

widely

used for

and industriaļ

agricultural

applications.

Accelerators widely used for irradiating industrial products

and

in

research include:

the

electrostatic

accelerator;

the

insulated magnetic core transformer; the high voltage multiplier;

the high-frequency, high-voltage accelerator; the electron linear

the recently developed self-shielding

accelerator; and

type electron accelerator.

screen-

The

electrostatic

accelerator is

an installation

for

producing

2

high-energy electron beam,

megavolts.

The

intensity

of the

generally

beam can be from 0.1

between

1-3

1

milliamps. Since it has a low output power, it is generally used

in research.

The insulated magnetic core transformer is a relatively new,

low-voltage,

high-power

accelerator.

2

The

beam

power

of the