ตัวกรองผลการค้นหา
Cybernetic
แปลว่า(Environmental Engineering) Systems which change in response to feedback.
Primary standards
แปลว่า(Environmental Engineering) Required drinking water quality standards related directly to human health. These standards are required and enforceable by the U.S. EPA. See secondary standards.
Procaryotic organisms
แปลว่า(Environmental Engineering) Organisms which do not have a cellular membrane.
Heterotrophic
แปลว่า(Environmental Engineering) A group of organisms which obtain carbon for synthesis from other organic matter or proteins.
Ecosystem
แปลว่า(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
แปลว่า(Environmental Engineering) Autotrophic organisms which produce protoplasm using inorganic carbon and energy from the sun.
Hypolimnion
แปลว่า(Environmental Engineering) The lower layer of a lake.
Amine
แปลว่า(Environmental Engineering) A functional group consisting of "-NH2."
Organic compound
แปลว่า(Environmental Engineering) Any compound containing carbon except for the carbonates (carbon dioxide, the carbonates and bicarbonates), the cyanides, and cyanates.
Nitrification
แปลว่า(Environmental Engineering) The biological oxidation of ammonia and ammonium sequentially to nitrite and then nitrate. It occurs naturally in surface waters, and can be engineered in wastewater treatment systems. The purpose of nitrification in wastewater treatment systems is a reduction in the oxygen demand resulting from the ammonia.
Limnology
แปลว่า(Environmental Engineering) The study of freshwater ecosystems.
Phenyl
แปลว่า(Environmental Engineering) A benzene ring named as a constituent group, C6H5-.