A recommended approach to recirculation of exhaust air /

Mode of access: Internet.

Identifying sources of subsurface nitrate pollution with stable nitrogen isotopes /

"Contract no. 68-03-2450."

National performance audit program : 1980 proficiency surveys for sulfur dioxide, nitrogen dioxide, carbon monoxide, sulfate, nitrate, lead and high volume flow /

Mode of access: Internet.

The recirculation of industrial exhaust air : proceedings of a symposium sponsored by the National Institute for Occupational Safety and Health at Cincinnati, Ohio ... October 1977.

Mode of access: Internet.

A study of nitrate respiration in the activated sludge process /

Mode of access: Internet.

Evaluation of air cleaning and monitoring equipment used in recirculation systems /

Contract No. 210-78-0011.

The transition temperature of alpha to beta ammonium nitrate : some methods for its determination.

Thesis (M.S.)--University of Illinois at Urbana-Champaign, 1921.

Measurements of plutonium nitrate shipping solutions /

"U.S. Atomic Energy Commission Contract AT(29-1)-1106."

Plutonium nitrate shipping packages /

"RFP-437 ; UC-2 General, Miscellaneous, and Progress Reports ; TID-4500 (34th Ed.)."

On the behavior of nitrate in paddy soils.

Reprint from Japan. Agric. exper. station, Tokyo. Bulletin. v. 1, no. 2, Oct. 1907

Nitrate and water supply: source and control; proceedings.

Mode of access: Internet.

Recirculation principle for ground effect machine two-dimensional tests.

"Task 9R99-01-005-04. Contract DA 44-177-TC-710."

Recirculation principle for ground effect machines; three dimensional wind tunnel tests.

"Task 9R99-005-04. Contract DA 44-177-TC-710."

Nitrate-nitrogen concentrations in ground water from three selected areas in Kansas /

Mode of access: Internet.