The harmful gases generated in greenhouses are mainly the toxic gases contained in ammonia, nitrogen dioxide, and plasticizers generated during the decomposition of fertilizers. There are four effective measures to prevent the generation of these harmful gases:
First, organic fertilizers should be mixed with water for 2 to 3 months before being applied to the shed. After the accumulation, the plastic film should be tightly sealed and fully fermented before being applied to the shed.
The second is to pay attention to the use of chemical fertilizers indoors:
1. Not apply ammonia, ammonium bicarbonate, ammonium nitrate and other volatile and volatile fertilizers;
2. When urea, ammonium sulfate and other non-volatile fertilizers are used as part of the base fertilizer, it shall be mixed with superphosphate and then applied to the ditch or tillage;
3, application of urea, ammonium sulfate, potassium sulfate, etc. for top dressing, can not be mixed with alkaline fertilizer. It is necessary to use flushing with water, and do less work.
Third, the shed film and plastic film used in the shed must be safe, reliable and non-toxic. It is important to remember that no renewable film is available. Fourth, once toxic gases are generated in the shed, ventilation and air exchange methods should be adopted to reduce the concentration of toxic gases, thereby reducing or even preventing the occurrence of phytotoxicity.
The human body is the aggregates of a large number of cells which are in continuous growth, development, differentiation, regeneration and apoptosis, and the
cells constantly self-renew through its own division. 25 million cells are divided at one Prescription Management second in an adult`s body, and the body's blood cells constantly renew at the rate of about 100 million per minute. In the process of cell division and growth, those charged bodies of atomic nucleuses constituting atoms as the basic unit of cell and the electrons outside the nucleus are in constant high-speed movement and changing, thereby constantly emitting electromagnetic waves.
The Quantum Magnetic Resonance Analyzer replaces the need for ultrasonic, nuclear magnetic resonance or radiography for various health related conditions. Holding sensors in your palm simply, health data will be collected within minutes from various body systems. The magnetic resonance analyzer offers new advantages in the field of material analysis. It has been shown that the applicability of such an analyzer exceeds the range of tissue analysis and other medical applications. The magnetic resonance analyzer measures the degree and type of response of a matter under test, and by comparison with reference matter it assists in recognizing deviations from the desired response. The software interface has updated high technology that the operation is more convenient and faster. The main future is 2 languages in software in one machine, both with English and another language.
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