“sewage”造句,怎麼用sewage造句
But aerating sewage is expensive and difficult; using anaerobic bacteria is cheaper and simpler.
The region's sewage runoff contains more than 14 milligrams of vanilla per liter.
The center said a sewage sample contained more than 20 times the amount of chromium-6 allowed by national standards.
In countries without adequate sewage disposal systems, faeces and articles soiled with faeces may need to be disinfected before disposal.
The process treats the sewage water, which is then released into the ocean, and after the algae is harvested, the plastic bags can be recycled.
Day after day, we pour millions of tons of untreated sewage and industrial and agricultural wastes into the world's water systems.
This, Haddad says, is why people find it acceptable to get their water supply from their local river, even though that river water at one point mingled with the sewage of the town upstream.
A health authority may take all practicable measures to control the discharges from any ship of sewage and refuse which might contaminate the waters of a port, river or canal.
"The Yeomans Brothers began operation on the near north side of Chicago in 1898. They specialized in the first vertical shaft Bilge pump, and later expanded by adding a growing line of sewage pumps for the waste treatment and process markets."
Plug bathtub and sink drains to prevent sewage backup.
Deodorization of sewage treatment plant incinerator flue gas.
These microbes are now being spread round the country in river water and in sewage sludge used on farms.
He also did one fabulous thing: he decided that whatever calculations he made for the flow of sewage, he would double them, for the future.
Methods:Aerobic bacterial count and fecal coliform in sewage of doemestic and hospital were analysed before and after activated bio-filter treatments.
Bacteria housed on a graphite fiber anode break down the fats, proteins and sugars in sewage, freeing up a steady stream of electrons, which the bacteria transfer directly into the electrode.
All the sewage drains off into the lake.
The disease can thus spread rapidly in areas where sewage and drinking water supplies are inadequately treated.
Effluent discharges of industrial wastewater and raw sewage into rivers, lakes and inshore coastal areas have not only adversely affected marine life and aquatic resources, but have also jeopardized one of the major necessities for sustaining life-Potable Water.
Rows of squat warehouses roofed in corrugated steel or terra-cotta tile front sewage-choked waterways.
a main in a sewage system.
The Liujiang River, which is the main source of drinking and industrial water use of the city, suffered from pollution from untreated sewage and rainwater flows.
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1、鼠目寸光鼠肚雞腸鼠竄狼奔鼠跡狐蹤鼠竊*盜投鼠忌器賊眉鼠眼膽小如鼠。2、白魚入舟 求馬唐肆 龍騰虎躍 鼠跡狐蹤 首鼠兩端 。3、目的塑料地板膠制鼠跡板測試居民區住宅外鼠密度可行*。4、方法:首先用鼠跡板法調查,然後用夾夜法。5、方法目測法、鼠跡調查...
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1、我們繞了一圈,佐佐又開始說了:“姐姐這是不是金鯧魚?”2、週末小聚,教您幾道清爽開胃的家常菜,香味四溢,做法簡單易上手週末小聚,教您幾道清爽開胃的家常菜,香味四溢,做法簡單易上手七木絕凌忌口今天09:14清蒸金鯧魚做法成品圖。...
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1、亞急**狀腺炎是一種常見的*狀腺疾病。2、亞急**狀腺炎的診斷及治療。3、結果本組中,*狀腺腺瘤,結節**狀腺腫,橋本氏*狀腺炎,*狀腺癌,*狀腺功能亢進,亞急**狀腺炎。4、結果本組66例中,*狀腺腺瘤38例,結節**狀腺腫14例,橋本氏*狀腺炎7例,*狀腺癌3例,*狀腺功能亢進2例,亞急...
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1、匯聚名品裝飾,裝點萬家精*。2、匯聚名品美食,引領美食變革,給客戶提供可持續經營的安全、高品質產品。...
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