These species could tolerate the organic pollution and low dissolved oxygen.
优势种为轮虫类和枝角类，这此种类极耐有机污染，耐低溶氧。
Oxygen sag — a point of low dissolved oxygen concentration generally located around effluent injection points.
氧松弛——低溶点氧通常集中位于污水注入点附近。
Hydropower plants can cause low dissolved oxygen levels in the water, a problem that is harmful to riverbank habitats.
水电厂会导致水中的氧气溶解度降低——(这是)一个对岸边生存环境有害的问题。
On the contrary, low dissolved oxygen could lead to the rapid growth of some specific or compatible anaerobic bacteria in cage culture areas.
相反，溶氧降低可能会促进专性或兼性厌氧细菌的增加，使养殖环境进一步恶化。
The invention discloses a recombination gene for strengthening the endurance capacity of fishes to low dissolved oxygen stress and application thereof.
本发明公开了一种增强鱼类对低溶氧胁迫耐受能力的重组基因及用途。
This type of water comes from underground sources and has low levels of oxygen, yet high amounts of sulphur and other dissolved chemicals.
这类水来源于地下水源，含氧量很低，还含有大量硫和其它化学物质。
The accumulation of lactic acid in lowly dissolved oxygen level fermenting liquor made the glucide quickly consumed, as a result, the conversion rate of glucose was on the low side.
低溶氧水平发酵液中乳酸的大量积累，耗糖快、最终糖酸转化率偏低。
When a part of the metal is in contact with water relatively low in dissolved oxygen, it is, of course, anodic to adjoining areas in contact with water higher in dissolved oxygen.
当金属的一部分与溶解氧浓度相对较低的水接触，而邻近部分与溶解氧浓度高的水接触，则前一部分为阳极。
Even though Bettas do well in waters low in dissolved oxygen, that does not mean they require less oxygen than other fish.
即使斗鱼做好水域溶解氧谷底，这并不意味着他们需要比其它鱼类的氧气。
Even though Bettas do well in waters low in dissolved oxygen, that does not mean they require less oxygen than other fish.
即使斗鱼做好水域溶解氧谷底，这并不意味着他们需要比其它鱼类的氧气。
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