Carbon dioxide concentration is a major hazard
Carbon dioxide is a common compound in the air. Its molecular formula is CO2. It is formed by the covalent bonding of two oxygen atoms and one carbon atom. At room temperature, it is a colorless, odorless gas, slightly denser than air, and soluble in water. And generate carbonic acid. Carbon dioxide is often used in industrial production, such as dry ice as we know it, frozen seafood such as lobster, crab and shark fin, and dry ice when making ice cream. Ice cream is not easy to melt, and carbon dioxide is contained in sprite and cola in drinks. It should be said that the scope of use of carbon dioxide is very wide, but we are also aware of global warming events because of carbon dioxide. Excessive carbon dioxide levels can cause damage to the ozone layer and increase global temperatures. The harm is very great. Therefore, for carbon dioxide, it has both a beneficial effect on human beings and it is also the culprit of global warming. When we treat carbon dioxide, we must divide it in two.
According to relevant data, when the concentration of carbon dioxide reaches a certain level, it can suffocate people. 0.3% is normal; 0.3%~1% will feel dizzy and uncomfortable; 1%~3% will be boring and suffocate; 3%~4% of animals will faint and die within 5 minutes. 4% or more directly caused death. From this we can see how great the danger of CO2 concentration is. So do we also need to determine the carbon dioxide concentration in agriculture? Carbon dioxide meter is professionally used to determine the concentration of carbon dioxide in farmland. The carbon dioxide meter can measure the concentration of carbon dioxide in the range of 0-2000PPM, and the resolution can reach 1PPM. The carbon dioxide meter is also called the carbon dioxide monitor.
Photosynthesis of plants is the opposite of animal respiration. They inhale carbon dioxide and emit oxygen. With the continuous increase of global carbon dioxide emissions, these plants are like humans entering the hyperbaric oxygen chamber. Their physiological and biochemical processes and their ecosystems will surely occur. A series of changes. In addition, as the concentration of carbon dioxide increases, it is like applying a gas fertilizer to crops. The rice and wheat yields were about 10% to 14% and 12% to 20% higher than the control plots, respectively, and the growth cycle was also 6 to 9 days shorter. At the same time, the appearance, taste and other qualities of rice have also changed significantly. The rice rate of rice was significantly reduced, chalkiness rate and chalkiness were significantly increased, and the gelatinization temperature of rice was significantly increased. However, while the yield has increased, the nutrients in food have declined. Therefore, the concentration of carbon dioxide has a profound impact on agricultural production. We should allocate certain agricultural scientific instruments such as CO2 recorders to measure the concentration of carbon dioxide in farmland in time, and then make corresponding countermeasures.
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Pneumatic cylinder(s) (sometimes known as air cylinders) are mechanical devices which use the power of compressed gas to produce a force in a reciprocating linear motion.[1]:85
Like hydraulic cylinders, something forces a piston to move in the desired direction. The piston is a disc or cylinder, and the piston rod transfers the force it develops to the object to be moved.[1] :85 Engineers sometimes prefer to use pneumatics because they are quieter, cleaner, and do not require large amounts of space for fluid storage.
Because the operating fluid is a gas, leakage from a pneumatic cylinder will not drip out and contaminate the surroundings, making pneumatics more desirable where cleanliness is a requirement. For example, in the mechanical puppets of the Disney Tiki Room, pneumatics are used to prevent fluid from dripping onto people below the puppets.
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