thermionic valve वाक्य
उदाहरण वाक्य
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- Thermionic valves and tubes, photocells and parts continued to be the biggest exports, earning up to 32 . 5 billion ringgit ( dlrs 13 billion ) or 18 . 1 percent of total exports during the 11 months of last year.
- Those unfamiliar with sealed vacuum devices, such as vacuum tubes / thermionic valves, high pressure sodium lamps or some types of metal-halide lamps, are often mistaken into thinking the flash getter deposit is caused as a result of the failure of the device.
- He presented this design to Max Newman in February 1943, but the idea that the one to two thousand thermionic valves ( vacuum tubes and thyratrons ) proposed, could work together reliably, was greeted with great scepticism, so more Robinsons were ordered from Dollis Hill.
- During 1916, Hull began investigation into the use of magnetic control of thermionic valves ( vacuum tubes ) as an alternative to grid or electrostatic control and he had tested successfully magnetic control by applying a magnetic field parallel to the axis of the tube.
- Cossor, a go-ahead electronics firm, designed, and manufactured electronic thermionic valves, domestic radio sets and television receivers both before, and after World War II . During the War, their work on the Chain Home radar alongside Pye and EMI brought great prestige to the company.
- Circuits using thermionic valves ( vacuum tubes ) were relatively large, relatively simple ( the number of large, hot, expensive devices which needed replacing was minimised ), and used large sockets, all of which made the PCB less obviously advantageous than with later complex semiconductor circuits.
- Large motor-generator sets were widely used to convert industrial amounts of power while smaller units were used to convert battery power ( 6, 12 or 24 V DC ) to a high DC voltage, which was required to operate vacuum tube ( thermionic valve ) equipment.
- De Forest continued to claim that he developed the Audion independently from John Ambrose Fleming's earlier research on the thermionic valve ( for which he received Great Britain patent 24850 and the American Fleming valve patent ( ), and became embroiled in many radio-related patent disputes.
- Major import components under machinery and transport equipment which showed significant increases were thermionic valves and tubes, photocells, etc, and parts, which rose RM3.3bn or by 9.3 per cent, followed by parts and accessories for office machines and automatic data processing equipment ( up RM1.9bn or 40.1 per cent ).
- FerNiCo I has the same linear coefficient of expansion as certain types of borosilicate ( " hard " glass ), ( c6.5 ?10 " 6 �K " 1, thus serving as an ideal material for the lead-out wires or other seal structures in light bulbs and thermionic valves.
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