ผลการค้นหา

Hypolimnion

แปลว่า(Environmental Engineering) The lower layer of a lake.

Amine

แปลว่า(Environmental Engineering) A functional group consisting of "-NH2."

Organic compound

แปลว่า(Environmental Engineering) Any compound containing carbon except for the carbonates (carbon dioxide, the carbonates and bicarbonates), the cyanides, and cyanates.

blowing-iron

แปลว่า(แก้ว) หลอดเป่าแก้ว

Nitrification

แปลว่า(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.

Limnology

แปลว่า(Environmental Engineering) The study of freshwater ecosystems.

wrought iron gate

แปลว่าประตูเหล็ก หรือรั้วเหล็กที่ตีดัดเป็นรูปต่างๆ

Secondary standards

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

Ultimate disposal

แปลว่า(Environmental Engineering) The process of returning residuals back to the environment in a form which will have the minimal or reduced negative environmental impacts.

Surface water

แปลว่า(Environmental Engineering) Water which is contained in lakes, rivers, and oceans.

gray iron

แปลว่าเหล็กสีเทา, คือเหล็กที่หลอมจากเตาเมื่อหักดูเนื้อจะเห็นเป็นสีเทา

Electronegativity

แปลว่า(Environmental Engineering) The potential of an atom to attract electrons when the atom is bonded in a compound. The scale is 0 to 4 with 0 being the most electropositive (low attraction) and 4 being the most electronegative (high attraction).