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- Using this product for long term, can efficiently avoid the suffocation of nitrification, promote the cycle of nitrogenous substance, avoid the water quality worsen and purify water quality, reduce the risk of breeding and increase the breeding benefit. 长期使用用本品后可有效避免硝化作用受阻、推动含氮物质的循环、避免水质恶化、净化水质降低养殖风险、提高养殖效益。
- water quality worsening 水质恶化
- The human activity causing eutrophication,and worsening the water quality,has resulted in a great number of death of fish and aquatic animals and hydrophytes. 由于人类活动致使自然水体的富营养化,使水质恶化,造成鱼类和其他水生生物大量死亡。
- Who sets the standard for water quality? 水质标准由谁来制定?
- The plain water quality is very poor. 原水质很差。
- Water quality - Determination of cyanide index. 水质。氰化物指数的测定。
- Reveal long-term changes in water quality. 反映河溪水质的长期变化趋势。
- Water quality can deteriorate in the summer. 夏季时水质会变坏。
- See water quality solution above all. 首先看水质溶液。
- Conclusion: Water quality of the headwater is bad. 结论:该市农村水源水水质差。
- Use of appropriate amounts of feed is the key to successful breeding. Using too much causes the water quality to worsen, but too little causes cannibalism among the shrimp. 投饵量适中是养殖成功的密诀,用过量使水质恶化,过少容易产生自相残食。
- The shortage of water resources is the popular pay close attention issue in all over the world and worsen of water quality aggravates the problem more seriously. 水资源短缺是全球普遍关注的问题,水质恶化更加剧了这一问题的严重性。
- The water quality of the offshore marine areas tended to improve. 近岸海域海水水质呈改善趋势。
- The water quality remains the same as that in the previous year. 与上年相比,水质持平。
- Every day the laboratory collects samples to monitor the water quality in Ago Bay. 每天,实验室都要在AGOBAY收集样品,监测水质。
- Sediments and pollutants from municipal,industrial and agricultural sources in Egypt are worsening the water quality of the Nile,threatening the health and livelihood of millions of people as well as the Mediterranean Sea ecosystem. 在埃及,市政、工业和农业沉积物和污染物使尼罗河水质日趋恶化,威胁到几百万人的健康和生计以及地中海生态系统。
- Sediments and pollutants from municipal, industrial and agricultural sources in Egypt are worsening the water quality of the Nile, threatening the health and livelihood of millions of people as well as the Mediterranean Sea ecosystem. 在埃及,市政、工业和农业沉积物和污染物使尼罗河水质日趋恶化,威胁到几百万人的健康和生计以及地中海生态系统。
- It will give a warning if the product water quality is in failure. 产水水质不合格报警并排放。
- Water quality - Determination of chemical oxygen demand (COD). 水质。氧的化学消耗量的测定(重铬酸钾法)
- Water quality - Determination of dissolved carbon dioxide. 水质。溶解二氧化碳含量的测定。