ตัวกรองผลการค้นหา
คลิกที่แต่ละคำเพื่อดูรายละเอียด
หรือคุณกำลังค้นหา storage, dead, dead storage, dead
ความต้องการน้ำชลประทาน : ดู [[irrigation requirement]]
(Environmental Engineering) The amount of oxygen required to oxidize any organic matter present in a water during a specified period of time, usually 5 days. It is an indirect measure of the amount of organic matter present in a water.
(Environmental Engineering) The amount of oxygen required to oxidize any organic matter in the water using harsh chemical conditions.
(Environmental Engineering) The amount of oxygen required to oxidize any ammonia present in a water.
(Environmental Engineering) The amount of oxygen required to oxidize any carbon containing matter present in a water.
กฎระเบียบสำหรับหนังสือค้ำประกันแบบทวงถาม
(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.
(english) Market condition where the spot, or current price for a metal is higher than the three-month delivery price. This usually indicates immediate demand is perceived to be stronger than long-term demand. Not considered to be a "normal" market state (See Contango).
(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.