คำศัพท์ที่เกี่ยวข้องกับ "*organism*"

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ค้นเจอ 36 รายการ

Disease

(Environmental Engineering) Any impairment of the normal function of an organism.

Autotrophic

(Environmental Engineering) Organisms which utilize inorganic carbon for synthesis of protoplasm. Ecologists narrow the definition further by requiring that autotrophs obtain their energy from the sun. In microbiologist parlance, this would be a photoautotroph. See photoautotrophic and chemoautotrophic.

Deoxygenation

(Environmental Engineering) The consumption of oxygen by the different aquatic organisms as they oxidized materials in the aquatic environment.

Disinfection

(Environmental Engineering) The destruction or inactivation of pathogenic microorganisms. See sterilization.

Sterilization

(Environmental Engineering) The destruction or inactivation of all microorganisms. See Disinfection.

Heterotrophic

(Environmental Engineering) A group of organisms which obtain carbon for synthesis from other organic matter or proteins.

Decomposers

(Environmental Engineering) Organisms which utilize energy from wastes or dead organisms. Decomposers complete the cycle by returning nutrients to the soil or water and carbon dioxide to the air or water.

Ecosystem

(Environmental Engineering) An organism or group of organisms and their surroundings. The boundary of an ecosystem may be arbitrarily chosen to suit the area of interest or study.

Producers

(Environmental Engineering) Autotrophic organisms which produce protoplasm using inorganic carbon and energy from the sun.

Suspended growth reactor

(Environmental Engineering) A reactor in which the microorganisms are suspended in the wastewater. Examples of suspended growth reactors are activated sludge reactors and anaerobic digesters. See attached growth reactor.

Metabolism

(Environmental Engineering) The processes which sustain an organism, including energy production, synthesis of proteins for repair and replication.

Phototroph

(Environmental Engineering) Organisms which obtain energy from light using photooxidation.