Ví dụ về việc sử dụng The dissolved oxygen trong Tiếng anh và bản dịch của chúng sang Tiếng việt
{-}
-
Colloquial
-
Ecclesiastic
-
Computer
Therefore the dissolved oxygen is always as high as possible.
At first,a dissolved oxygen meter would show little or no increase in the dissolved oxygen content.
In 30 days, the dissolved oxygen level will begin to rise significantly.
Full filling is to avoid the bottle from sinking after the bottle cooling off,and to decrease the dissolved oxygen to the utmost extent.
When the dissolved oxygen levels drop too low, trout and other aquatic species soon perish.
Mọi người cũng dịch
If there is a large flow-through of contaminated water, the dissolved oxygen will be consumed almost as rapidly as it is injected.
The dissolved oxygen galvanic probe can be calibrated either in air or in standard solution.
Full filling is to avoid the bottle from sinking after the bottle cooling off,and to decrease the dissolved oxygen to the utmost extent.
If the dissolved oxygen is greater than 2.0 ppm, then the aeration process is working positively.
As they grow, they will consume almost all the dissolved oxygen as quickly as the Turbine can inject it into the water.
If the dissolved oxygen level is not sufficient it may require some type of pre-oxidation to achieve its maximum ability, such as injection of chlorine with a chemical feed pump.
On the other hand, in a very longand narrow basin, which has the same volume of water, the dissolved oxygen might never reach its extremities.
With a normal influent load of pollutants, the dissolved oxygen content in the aerated section of most plants should be kept between 3 and 5 MG/L.
Once one establishes how to control oxygen supply to the wastewater,one can then control the dissolved oxygen concentration of the wastewater.
Starting gradually in the morning sunlight, the dissolved oxygen content increases until mid-afternoon when the sun is at its brightest.
Kipp and his colleagues measured selenium isotope ratios in Lomagundi rocks formed at various places around the world,and then worked back to estimate the dissolved oxygen level in the shallow seas of this time.
Managing seaweed harvest correctly will also maintain the dissolved oxygen and nutrient levels in the water, contributing to the overall health of the ocean.
Due to the nature of Micro Bubbles(1) large quantities and(2) ability to stay in the water for extended periods of time,this system is able to increase the dissolved oxygen levels in water and provide a stable growth environment.
In one embodiment, the dissolved oxygen concentration during the contact step is maintained at 2 mg/l or less, 1.5 mg/l or less, or 1 mg/l or less, and optionally not less than 0.2 mg/l.
A contact step,wherein wastewater contacts bacteria retained on a support surface and the dissolved oxygen concentration of the wastewater is maintained at 2.0 mg/l or less;
Depending on how low the dissolved oxygen concentration is and how long it remains low, fish may consume less feed, grow more slowly, convert feed less efficiently, be more susceptible to infectious diseases, or suffocate and die.
In such instances, the algal matter reverts from a sink to a source of ammonia,as well as reducing the dissolved oxygen concentrations and pH and increasing the levels of carbon dioxide present.
Essentially this involves a monitoring step in which the dissolved oxygen concentration of the wastewater is measured and compared against the desired concentration, and a feedback step in which the means of delivering the oxygen to the wastewater is controlled in order to increase or decrease the supply of oxygen so as to arrive at the desired dissolved oxygen concentration discussed above.
It is important to make sure that there are enoughaerators to support the number of shrimp in each pond, because the dissolved oxygen(DO) level in the water is the most important factor for raising shrimp.
Iron is easily oxidised by atmospheric oxygen andthe aeration process provides the dissolved oxygen needed to convert the iron into an insoluble form, without the use of chemicals.
This media uses dissolved oxygen as a catalyst andmay require some type of pre-oxidation in cases where the dissolved oxygen content is too low to affect a maximum sulfur removal result.
An aeration step, wherein gas is passed throughwastewater that has passed through the contact step and the dissolved oxygen concentration of the wastewater is reduced as the wastewater passes through the aeration step;
This top light is-- I'm sorry if I'm making you seasick-- this top light is actually a water quality display that shifts from red,when the dissolved oxygen is low, to a blue/green, when itsdissolved oxygen is high.
Rapid degradation of excess of ammonium nitrogen, nitrate, hydrogen sulfide and other toxic substances, stable water PH value,increase the dissolved oxygen content, maintenance of water microecological balance, purify water, and avoid the appearance of fish floating head.