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Keywords ipomoea aquatica;oenanthe javanica;soilless cultivation;water body purification; 水蕹菜;水芹菜;无土栽培;水体净化;
Water body purification 水体净化
The purification of eutrophic water body was studied by means of soilless cultivation technique on artificial substratum. 利用富营养化水体营养盐资源，使用泡沫板、蛭石两种人工基质无土栽培水芹、水蕹菜和多花黑麦草，研究其净化污水的效果。
It is forbidden to dump ship refuse into any water body. 禁止向水体倾倒船舶垃圾。
His barbed and his dissemination of the minimum water body. 他的刺又使得他最低限度地散发体内的水分。
The shortage of water resource exaggerates the pollution of water body. 水资源短缺与水体污染并存。
The effect of turbulence in water body on organic compound biodegradation. 紊动对水体中有机物降解影响的实验。
Microcystin(MCYSTs,MCs)is a common algal toxin in eutrophic fresh water body. 微囊藻毒素为富营养化淡水中最常见的藻类毒素。
Biological purification of water body 水体生物净化化学反应
purification of heavily polluted water body 重污染水体净化
Water body is shallow and sediments are coarse in LST and HST, but in TST, being deep and fine. 低水位体系域和高水位体系域水体较浅，沉积较粗，而湖进水位域则水体较深，沉积较细。
The huge round urn of all Acrylic glass is 11 meters in diameter and 13 meters in depth, with water body totaled 1000 metric tons. 全部用亚克力玻璃筑成的大圆缸，直径有11米，水深13米，高达三层楼体，水体达1000吨。
It is forbidden to discharge or dump industry waste residues,urban refuse or other wastes into any water body. 禁止向水体排放、倾倒工业废渣、城市垃圾和其他废弃物。
Residual oil or waste oil of ships must be recovered,and its discharge into any water body shall be forbidden. 船舶的残油、废油必须回收，禁止排入水体。
It is forbidden to discharge any oil, acid or alkaline solutions or deadly toxic liquid waste into any water body. 第二十九条禁止向水体排放油类、酸液、碱液或者剧毒废液。
It is forbidden to discharge or dump industry waste residues, urban refuse or other wastes into any water body. 第三十二条禁止向水体排放、倾倒工业废渣、城市垃圾和其他废弃物。
Residual oil or waste oil of ships must be recovered, and its discharge into any water body shall be forbidden. 船舶的残油、废油必须回收，禁止排入水体。
The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
Being discharged into the water body, municipal domestic sewagehas severely affected the use value of water resources. 城镇生活污水排入水体,严重影响水资源的使用价值。
The freezing injury degree relates to factors of topography, stand age and water body, etc. 冻害程度与地形、林分年龄、水体等因素有关。