ค้นเจอ 88 รายการ

Attached growth reactor

แปลว่า(Environmental Engineering) A reactor in which the microorganisms are attached to engineered surfaces within the reactor. Examples of attached growth reactors are the trickling filter and the rotating biological contactor. See suspended growth reactor.

antibiotic

แปลว่า(เคมี) ยาปฏิชีวนะ ซึ่งเตรียมขึ้นจากเชื้อรา มีอำนาจทำลาย ยับยั้งความเจริญของเชื้อโรคทั่ว ๆ ไป, ปฏิชีวนะนี้อาจจะสังเคราะห์จากเคมีบางชนิดก็ได้

Carbonaceous biochemical oxygen demand (CBOD)

แปลว่า(Environmental Engineering) The amount of oxygen required to oxidize any carbon containing matter present in a water.

Autotrophic

แปลว่า(Environmental Engineering) Organisms which utilize inorganic carbon for synthesis of protoplasm. Ecologists narrow the definition further by requiring that autotrophs obtain their energy from the sun. In microbiologist parlance, this would be a photoautotroph. See photoautotrophic and chemoautotrophic.

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.

gabion

แปลว่าเกเบียน, กล่องหินลวดตาข่าย

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.

Secondary treatment

แปลว่า(Environmental Engineering) In wastewater treatment, the conversion of the suspended, colloidal and dissolved organics remaining after primary treatment into a microbial mass with is then removed in a second sedimentation process. Secondary treatment included both the biological process and the associated sedimentation process.

saccharobiose

แปลว่า(เคมี) อ้อย ; น้ำตาลที่ทำจากอ้อย

gabions

แปลว่ากระชุ : กล่องทำด้วยลวดเหล็ก, หวาย, หรือไม้ไผ่ สำหรับใส่หิน กรวด วางป้องกันตลิ่งหรือนำมาเป็นฝายชั่วคราว

Biosynthesis

แปลว่า(Environmental Engineering) Catabolism, the production of new cellular materials from other organic or inorganic chemicals.

Trickling filter

แปลว่า(Environmental Engineering) An attached growth biological process in which the microbial film is attached to non-moving rock or plastic media.