ค้นหา "*water*" ใน คำศัพท์ช่างภาษาอังกฤษ

ผลการค้นหา

ค้นเจอ 234 รายการ

Advanced wastewater treatment

(Environmental Engineering) The removal of any dissolved or suspended contaminants beyond secondary treatment, often this is the removal of the nutrients nitrogen and/or phosphorus.

Gas stripping

(Environmental Engineering) Gas transfer of an undesirable gas from a water stream to the atmosphere.

Neat Cement-Paste

(Concrete Engineering) A mixture of water and hydraulic cement, both before and after setting and hardening.

watering

การให้ความชื้น, การให้น้ำ

Impermeable

(Concrete Engineering) The ability of a material or product to reduce or eliminate gaseous transmissions through it's mass; measured as the rate of Water Vapor Transmission (WVT). Note: Not all materials that are waterproof are vaporproof; all materials that are vaporproof are inherently waterproof.

Retempering

(Concrete Engineering) The addition of water and remixing of concrete which has started to stiffen: usually not allowed as it may affect the ultimate strength.

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.

Nitrification

(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.

waterfall

น้ำตก

water pump vane

ใบพัดสูบน้ำของหม้อน้ำเครื่องยนต์

potable water

น้ำดื่มได้

Denitrification

(Environmental Engineering) The anoxic biological conversion of nitrate to nitrogen gas. It occurs naturally in surface waters low in oxygen, and it can be engineered in wastewater treatment systems.

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