ค้นเจอ 190 รายการ

Fermentation

แปลว่า(Environmental Engineering) Energy production without the benefit of oxygen as a terminal electron acceptor, i.e. oxidation in which the net effect is one organic compound oxidizing another. See respiration.

quality of environment

แปลว่าคุณภาพสิ่งแวดล้อม

N

environmental pollution

แปลว่ามลพิษทางสภาวะแวดล้อม

N

environmentalist

แปลว่านักสิ่งแวดล้อม

N

Biochemical oxygen demand (BOD)

แปลว่า(Environmental Engineering) The amount of oxygen required to oxidize any organic matter present in a water during a specified period of time, usually 5 days. It is an indirect measure of the amount of organic matter present in a water.

Attached growth reactor

แปลว่า(Environmental Engineering) A reactor in which the microorganisms are attached to engineered surfaces within the reactor. Examples of attached growth reactors are the trickling filter and the rotating biological contactor. See suspended growth reactor.

Shock load

แปลว่า(Environmental Engineering) Influent wastewater entering the plant which has an unusually high organic content and/or high flow rate.

Softening

แปลว่า(Environmental Engineering) The removal of divalent cations by precipitation or ion exchange.

Receiving water quality standards

แปลว่า(Environmental Engineering) Standards which require a discharger to maintain a certain quality level in the receiving water.

Protection of Environment

แปลว่าการป้องกันสิ่งแวดล้อม

Stratosphere

แปลว่า(Environmental Engineering) The atmosphere from approximately 12 km to 70 km. The temperature of the atmosphere increases in this region.Strong acid

Landfilling

แปลว่า(Environmental Engineering) The placement of wastes into the land under controlled conditions to minimize their migration or effect on the surrounding environment.