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คำศัพท์ช่างภาษาอังกฤษ - ไทยคำศัพท์/สำนวน ทั้งหมดบทความ
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คำศัพท์ช่างภาษาอังกฤษ - ไทยที่เกี่ยวข้องกับ "environ*"

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Anoxic process

(Environmental Engineering) A process which occurs only at very low levels of molecular oxygen or in the absence of molecular oxygen.

Ligand

(Environmental Engineering) The ion or molecule which surrounds or complexes with the central atom or ion.

Irreversible reaction

(Environmental Engineering) A reaction in which the reactant(s) proceed to product(s), but the products react at an appreciable rate to reform reactant(s).

Species

(Environmental Engineering) In chemistry, an ion or molecule in solution.

Maximum contaminant level (MCL)

(Environmental Engineering) The maximum allowable concentration of a given constituent in potable water.

Compression settling

(Environmental Engineering) Settling which occurs in the lower reaches of clarifiers where particle concentrations are highest. Particles can settle only by compressing the mass of particles below.

Thiols

(Environmental Engineering) Organic compounds which contain the "-SH" functional group. Also called mercaptans.

Alkalinity

(Environmental Engineering) The capacity of a water to neutralize acids.

Groundwater

(Environmental Engineering) Water which is contained in geologic strata. Also properly written as two words, ground water.

Effluent based standards

(Environmental Engineering) Standards which set concentration or mass per time limits on the effluent being discharged to a receiving water.

Weak acid

(Environmental Engineering) An acid that does not ionize completely under the conditions of interest. Examples include acetic acid, carbonic acid, and hypochlorous acid. See strong acid.

Epilimnion

(Environmental Engineering) The top layer of a lake.

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