A review of biological effects and potential risks associated with ultraviolet radiation as used in dentistry /

Mode of access: Internet.

Extreme ultraviolet explorer : long look at the next window.

Cover title.

Extreme ultraviolet explorer : a view inside the bubble.

Cover title.

A summary of high speed vacuum tube circuit work for Otober and November, 1955 /

"December 12, 1955"

Vacuum equipment and techniques.

"Contract No. AT(30-1)-1192."

Disclosures on a precipitation indicator, moisture detector, vacuum ball valve, film strip printer, normal incidence interferometer, color sorter, and coaxial T. /

Mode of access: Internet.

How to repair washing machines, clothes dryers, dishwashers, refrigerators, vacuum cleaners, air conditioners, mixers, electric ranges, and other appliances.

Mode of access: Internet.

Improved of Cr-Ni-Mo iron base alloys by vacuum melting and casting. Final report.

"Bureau of Ships, Department of the Navy. Contract no. NObs-77019, Index Number NS-013-119."

High temperature oxidation and nitridation of niobium in ultrahigh vacuum : final report, covering the period July 1, 1963 to October 31, 1964 /

"Stanford Research Institute, Menlo Park, California."

The thermionic vacuum tube and its applications,

Mode of access: Internet.

Superconductive properties of vacuum deposited indium films,

"Prepared for the Office of Naval Research, under contract NONR-2542(00)."

Expansion of gas clouds and hypersonic jets bounded by a vacuum.

"SSD-TDR-62-96. Report no. TDR-169 (3230-12) TR-1. Contract no. AF 04(695)-169."

The extension of the X-ray spectrum to the ultraviolet ...

Reprinted from the Physical review n.s. v.18, no.6. Dec.1921.

Ultraviolet disinfection of activated sludge effluent discharging to shellfish waters /

Mode of access: Internet.

An electric discharge as a trap for diffusion pump vacuum systems /

An electrical discharge is used as a trap for a diffusion pump using DC-704 silicone pump fluid. The discharge cracks the pump fluid vapor thus taking it out of the system. In the process much hydrogen and some other lighter gases are evolved.