ค้นเจอ 337 รายการ

Photochemical pollutants

แปลว่า(Environmental Engineering) Chemicals which react photochemically (in the presence of sunlight) to destroy ozone in the stratosphere.

CFCs

แปลว่า(Environmental Engineering) Chlorofluorocarbons, chemicals which result in a depletion of the ozone layer in the upper atmosphere.

specified in the Contract

แปลว่าระบุในสัญญา

clay lumps in aggregates

แปลว่ากองดินซึ่งไหลไปรวมกันเป็นก้อนจับตัวแน่น

in whole or partial

แปลว่าทั้งหมดหรือบางส่วน

Flocculant settling

แปลว่า(Environmental Engineering) Settling in which particle concentrations are sufficiently high that particle agglomeration occurs. This results in a reduction in the number of particles and an increase in average particle mass. As agglomeration occurs higher settling velocities result.

Denitrification

แปลว่า(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.

Sulfate Attack

แปลว่า(Concrete Engineering) Deleterious chemical and/or physical re-action between sulfates in ground water or soil and certain constituents in cement, which result in expansion and disruption of the concrete.

Plastic Consistency

แปลว่า(Concrete Engineering) Condition in which concrete, mortar, or cement paste will sustain deformation continuously in any direction without rupture.

Trace contaminants

แปลว่า(Environmental Engineering) Contamination found in trace (very low) levels.

Cybernetic

แปลว่า(Environmental Engineering) Systems which change in response to feedback.

Base Metal Contamination

แปลว่า(english) Dirt or other impurities in the steel strip.

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