thermal mass flow meter for chlorine gas

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1. Ozone layer in English

The high altitude in 14-25 kilometres of distance earth surface, has formed the ozonosphere , this ozonosphere surrounding in the earth outer-ring space because of accepting the reason why the sun ultraviolet ray irradiates, exactly being an umbrella on which human being rely for existing. This it is most people to know that to the ozone all. Human being knows that ozone still is before more than 150 years really , Dr. brings forward bad smell coming into being in the solution and spark discharge in water and electricity by Germany chemist my deceased Beiyin first , identical with smell coming into being in the Nature lightning queen, my deceased Beiyin doctor thinks that whose smell is similar to naming the person OZEIN from this for the Greek OZEIN (intention "smelting bad"). (Ozone). Ozone in Nature, distributes mostly in spur floor 20 Km- - 50 Km atmosphere , we call it an ozonosphere. Ozone in ozonosphere is that the ultraviolet ray makes out mainly. Everybody knows , ultraviolet ray in sunray divides long wave and short wave two kinds, think that the oxygen molecule in atmosphere (contain 21%) accepts short wave when the ultraviolet ray irradiates, the oxygen molecule is able to break up able atom state. The oxygen atom block of wood stability pole is strong , the pole is easy and reaction happened in matter other. If (H2O) reaction generates water with hydrogen (H2),with carbon (C), reaction generates a carbon dioxide (C02). Have formed ozone right away when same , comparing with oxygen molecule (O2) reaction, (O3). Ozone forms the queen, because of whose specific gravity greater than oxygen, meeting gradually the bottom to the ozonosphere falls alight , (rise) in the proces

s of build-down with the temperature change, the more the ozone block of wood stability tend towards the irradiation accepting the long wave ultraviolet ray again, restores obviously, once again for oxygen. The ozonosphere is the dynamic balance having kept this oxygen and ozone mutual change. Have the number ozone after all within so extensive area? Estimate to be smaller than atmosphere 1/100,000,p. If all ozone of middle concentrates atmosphere have three centimetres infertile layer together, only. Then, there exist woollen cloth in if earth surface have ozone? The answer is affirmative. The sun ultraviolet ray has almost 1% parts to may reach the floor presumedly. Especially in air pollution lighter forest, is intermountain , the ultraviolet ray of coast on every side is more, ozone that existence enriches comparatively. Besides, the thunder and lightning effect also produces ozone , scatters in the face of the earth. Exactly because of so-called, thunder storm afterwards, people feels the air briskness , people also is ready to go round outskirts forest , intermountain , coast to suck nature fresh air , the at the same time enjoying natural beautiful scenery, let the body and mind come to an once unhesitatingly "taking bath" , this are the ozone effect, therefore somebody says ozone is one kind of clean brisk gas. (Ozone has the extremely strong oxide , a little ozone may make person feel the spirit gets roused; But, too strong oxide sex also makes the person have the free radical killing and wounding the effect , the detailed idea). Atmosphere the ozonosphere has three effects mainly. One is 306.3 following mum ultraviolet rays protect the effect , ozonosphere wavelength in being able to absorb a sunlight , is

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