editions:UOM39015035791642

Unit operation: Methods where raw materials undergo physical change; methods by which raw materials may be altered into different states, such as vapor, liquid, or solid without changing into a new substance with different properties and composition.

A Compilation of Selected Air Pollution Emission Control Regulations and ... - Side 7
av Robert A. Taft Sanitary Engineering Center - 1965 - 123 sider
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Clean Air: Hearings Before a Special Subcommittee on Air and Water Pollution ...

United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution - 1964 - 878 sider

...amended by inserting therein, following paragraph (2.87), the following paragraphs: (2.87n) 11 n it operation : Methods where raw materials undergo physical...substance with different properties and composition. (2.87b) Unit Process: Reactions where raw materials undergo chemical change; where one or more raw...

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Clean Air: Hearings Before a Special Subcommittee on Air and Water ..., Del 1

United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution - 1964 - 878 sider

...Chicago is amended by inserting therein, following paragraph (2.87), the following paragraphs: (2.87a) Unit operation: Methods where raw materials undergo...into a new substance with different properties and comi>osition. (2.87h) Unit Process: Reactions where raw materials undergo chemical change; where one...

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Problems of Air Pollution in the District of Columbia: Joint Hearings Before ...

United States. Congress. Senate. Committee on the District of Columbia. Subcommittee on Business and Commerce - 1967 - 1070 sider

...Burning Type (HandFired): See definition of "Fuel-burning equipment, hand-fired type" (2.47). (2.87a) Unit operation: Methods where raw materials undergo...substance with different properties and composition. (Added Coun. J. 12-6-63. p. 1326) (2.87b) Unit Process: Reactions where raw materials undergo chemical...

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Hearings, Reports and Prints of the Senate Committee on the District of Columbia

United States. Congress. Senate. Committee on the District of Columbia - 1967 - 1438 sider

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Problems of Air Pollution in the District of Columbia: Joint Hearings ..., Del 1

United States. Congress. Senate. Committee on the District of Columbia. Subcommittee on Business and Commerce - 1967 - 858 sider

...Burning Type (HandFired): See definition of "Fuel-burning equipment, hand-fired type" (2.47). (2.87a) Unit operation: Methods where raw materials undergo...substance with different properties and composition. (Added Coun. J. 12-6-63, p. 1326) (2.87b) Unit Process: Reactions where raw materials undergo chemical...

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Air Pollution, 1967: Hearings, Ninetieth Congress, First Session, Deler 3-4

United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution - 1967 - 1624 sider

...Burning Type (HandFired}: See definition of "Fuel-burning equipment, hand-fired type" (2.47). (2.87a) Unit operation: Methods where raw materials undergo...substance with different properties and composition. (Added Coun. J. 12-6-63, p. 1326) (2.87b) Unit Process: Reactions where raw materials undergo chemical...

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