Recently, H7N9 virus has been found in many places in China. According to WHO notification, H7N9 belongs to a new type of bird flu virus, and little is known about it. There is no vaccine yet. At present, although the H7N9 virus has not formed a large area of ​​transmission, the mortality rate is high and the danger cannot be ignored. Almost at the same time, LED lighting industry has also emerged as a virus. The domestic leading lighting lighting industry and the domestic chip leader Sanan Optoelectronics have all reported news of “fraudulent listing†and “associated transactionsâ€, although they are not like the H7N9 virus. A large area appears, but the impact on the entire LED lighting industry is wide and deep.
Can bird flu cause human-to-human transmission? There is still no conclusive statement, but one thing is clear. The panic caused by the H7N9 virus is difficult to estimate. At present, Qinshang Optoelectronics Co., Ltd. and Sanan Optoelectronics are alleged to have caused devastating blows to the LED lighting industry despite their rumors of “fraudulent listing†and “associated transactionsâ€, but they will also shake the confidence of the capital market in the LED lighting industry. Will LED lighting industry crash like the photovoltaic industry? Many industry insiders including Epistar’s general manager Zhou Mingjun stated that they would not: The biggest problem in Zhou Mingjun’s view is that the market oversupply caused by the Chinese government’s subsidy policy, but the solar plant Wuxi Suntech has seen bankruptcy from a The subsidy support of the Chinese government is no longer the upper limit, which is a good signal for the LED industry. Coupled with the long-term continuous expansion of the demand of the LED industry, the LED lighting industry will not follow the trail of solar photovoltaic.
Leading companies have fired shots and the LED lighting industry is facing an unprecedented crisis of confidence. However, in my opinion, the rainbow lighting industry is a sunrise industry, but now the rapid development of the entire LED lighting industry, low-quality products flood the entire LED lighting market. Throughout the history of China, there will be a big rule after the chaos, and it will also be an inevitable experience for the LED lighting industry: only by accelerating the reshuffle, and quickly experiencing the pain of the “breakâ€, we can only see the bright rainbow.
With the advent of the H7N9 virus, apart from accelerating the development of antiviral vaccines and therapeutic drugs, we must review and change dietary patterns and habits. Only in this way can we truly bid farewell to the H7N9 virus. Similarly, the LED industry will grow healthily and enter the market more quickly and better only if the company's system is regulated and strictly enforced.
Float level gauge is a liquid level measuring instrument which works based on the principle of constant buoyancy in buoyancy (Archimedes theorem).In the gravity field, the vertical upward force on the object in the fluid due to the density difference with the surrounding fluid is buoyancy.
In a liquid, an object whose overall density is lower than the liquid density will eventually float on the liquid surface. This object can be called a float. Under constant conditions, the buoyancy of the float is constant (constant buoyancy).
When the float is subjected to an upward force less than its own weight or a downward force less than the weight of the liquid equivalent to its own volume, the characteristic that the float will eventually float on the liquid surface will not be changed.
In the steady state, the buoyancy of the float is constant.
When the position of the liquid surface changes vertically, the vertical position of the float will change synchronously with the position of the liquid surface under the action of constant buoyancy.
The float level gauge is a device that displays the vertical position of the float in the form that people can read directly through various mechanical, electromagnetic, optical and other physical means.
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