ค้นหา "water-gas" ใน คำศัพท์ช่างภาษาอังกฤษ

ผลการค้นหา

ค้นเจอ 220 รายการ

base flow

1. น้ำที่ไหลในลำน้ำเกิดจากการไหลซึมออกมาของน้ำใต้ดิน ส่วนมากเกิดในช่วงฤดูแล้ง เป็น ground water runoff 2. ปริมาณน้ำเดิมที่ไหลอยู่ในลำน้ำก่อนเกิดน้ำท่า

Secondary standards

(Environmental Engineering) Recommended drinking water quality standards which relate to aesthetics and/or health. These standards are recommended, not required. See primary standards.

Primary standards

(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.

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.

Blister 2

(english) A defect in metal, on or near the surface, resulting from the expansion of gas in a subsurface zone. Very small blisters are called pinheads or pepper blisters.

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.

Ball Burnishing

(english) A method of obtaining a high luster on small parts by rotating them in a wooden-lined barrel with water, burnishing soap, and stainless steel shot.

meter

(วิศว) หน่วยวัดความยาวเป็นเมตร; เครื่องวัด เช่น water meter = เครื่องวัดจำนวนน้ำ, หม้อมีเต้อรวัดน้ำ; electric meter = หม้อมีเต้อรวัดกระแสไฟฟ้า ฯลฯ

Closure

(Environmental Engineering) The act of preparing a landfill for long term inactivity, including placement of a cover over the landfill to prevent infiltration of surface water.

Pumping (of Pavements)

(Concrete Engineering) The ejection of a mixture of water and solid materials such as clay or silt along cracks, transverse or longitudinal joints, and along pavement edges caused by downward slab movement due to the passage of heavy loads, machinery or equipment over the pavement after free water has accumulated in or on the subbase, subgrade or basecourse.

Water-Cement Ratio

(Concrete Engineering) The ratio of the amount of water, exclusive of that absorbed by the aggregates, to the amount of cement in a concrete mix. Typically expressed as percentage of water, by weight in pounds, to the total weight of portland cement, fly ash, and any other cementitious material, per cubic yard, exclusive of any aggregates.

Ultimate biochemical oxygen demand (BODu)

(Environmental Engineering) The total amount of oxygen required to oxidize any organic matter present in a water, i.e. after an extended period, such as 20 or 30 days.

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