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Application of antistatic products in the new era
Date:2017-01-12
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Anti electrostatic packaging materials DELL Inspiron Ling Yue 13R has mysterious obsidian, healthy tomato red, auspicious peacock blue three colors; the so-called "drift" refers to the design, the screen is moving a distance to fuselage with staggered, improves the screen height, more ergonomic principle; staggered part easy to hold in one hand. The side cover with a color curve divided by more rounded screen and palm edge processing; the cover and the palm rest area with LCVM Xuan Steel wire drawing material, this material has anti-static, good heat dissipation, light texture, hair fiber texture, has the characteristics of metal texture and easy cleaning; the battery with the weight of about 1.9 kg, and its thickness is 33.8 mm moisture-proof anti-static bag.
Comment: the new DELL Inspiron Inspiron 13R (N3010D-178) notebook has three unique color, LCVM bright steel wire drawing body and "drift" design, the appearance of a more excellent, use is also more humane; configuration, core i5 processor and DX11 graphics card, large storage space and wireless, Bluetooth, camera the module meets the needs of most.
Anti static proof bag recently, the government of Tanghe County of Henan province held a working meeting of anti lightning and anti static safety, summed up the first half of anti lightning and anti static safety work, to further clarify the responsibilities of all relevant units, and the next work arrangements. County Meteorological Bureau, Safety Supervision Bureau, Education Bureau, Planning Bureau, Construction Bureau, Finance Bureau and other departments attended the meeting.
Meeting the requirements of a meteorological bureau to lightning protection anti-static safety work as an important task to perform the functions of the government, to carry out annual inspection work seriously, lightning protection device in accordance with the relevant provisions of lightning protection design review and acceptance work of Engineering drawings. Anti-static shielding bag is two innings to lightning protection and anti-static safety work as an important content of the work of production safety supervision and inspection. Three is the Planning Bureau and the Construction Bureau to assist Meteorological Bureau lightning protection design review engineering drawings and acceptance, not through the design of lightning protection device by Meteorological Bureau audit, issuing the relevant planning permits and construction permits. Construction sector to the lightning protection project acceptance certificate and other construction materials filed together. Four is the body of the school is responsible for the school lightning protection facilities rectification work, in accordance with the requirements of the school to carry out lightning protection facilities rectification work anti-static PE bag.
Formation and types of lightning
In 1752, Franklin, an American scientist, put the kite into the clouds in a thunderstorm, and for the first time, it was revealed that lightning is just an air gap discharge in the atmosphere
According to a large number of scientific test shows that the earth itself is a capacitor. Usually the earth stable zone of negative charge is about 500 thousand C, and the earth there is a positively charged ionosphere, a charging capacitor has been formed between the two, the voltage between them is about 300KV, and the field strength is negative.
lightning protection
The formation of lightning and types of anti-static bubble bag
When the surface of the water vapor of the air is heated by the hot surface of the baking and rising, or the warm moist air and cold air met by the pad will produce high air flow
The temperature rises gradually decreased updraft (rain, hail particles called), these particles are polarized in the earth under the action of the electrostatic field.
lightning protection
Formation and types of lightning
Cumulus isolated in motion. When the charge accumulated enough, on the formation of charged thundercloud anti-static packing box / sheet.
The same charge collection form some charged center. When the air is charged between the specific center of its strong electric field breakdown, the formation of cloud discharge.
When the negatively charged clouds down close to the ground, the ground bulges, the metal will be induced with positive charge, electric field gradually increased, thunder down the downward leader ground objects to form a flashback, the two meet to form cobalt free humidity indicator card for discharge.
lightning protection
Formation and types of lightning
Direct Lightning Flash
The small fan near the ground when no thundercloud, take charge of the thundercloud near, will be out of the opposite charge on the ground. When the electric field intensity projection on the same ground between thundercloud projections to air breakdown strength, breakdown occurs. This bump directly on the ground lightning discharge breakdown called lightning.
lightning protection
Formation and types of lightning
lightning induction
The lightning induction is divided into two kinds of antistatic products: electrostatic induction and electromagnetic induction
The formation of electrostatic induction is due to clouds close to the ground, on the ground at the top of a large number of projections of the opposite charge. When the induction thunder and other thunder or other objects after discharge, the charge accumulation at the top of projections suddenly lost bound, showing a high voltage to the lightning wave form of high speed transmission.
The induction of electromagnetic induction is caused by lightning, the lightning current in the surrounding space to produce a rapid change in the strong magnetic field in the vicinity of the metal induced high voltage
lightning protection
Formation and types of lightning
Lightning invasion wave
As a result of lightning, high pressure shock wave is generated on the overhead line or the metal pipeline, and it spreads rapidly along the two directions of the line or pipeline
Ball mine anti static working chair
The formation of spherical thunder, there is no complete conclusion. Usually that lightning is a high temperature of the emitting body. Usually spherical thunder rolling or floating in the air in a flash of lightning, but also a whistling noise and hum.
So during the thunderstorm, the indoor power supply plug should be pulled out to prevent damage
lightning protection
Characteristics and harm of thunder and lightning
Lightning Characteristics
Lightning discharge current, amplitude up to tens to hundreds of kA;
The discharge time is very short. The general strike is divided into three stages, namely the leader discharge, discharge, discharge more than light. The whole process is only about 50 to 100 mu s.;
The frequency is high, the lightning current variation gradient is large, can reach 50kA/ s, belong to the high frequency shock wave anti-
static wrist band
static wrist band
The voltage generated by lightning induction can be as high as 300 ~ 500kV. lightning impulse voltage up to MV.
lightning protection
Characteristics and harm of thunder and lightning
Harm of thunder and lightning
Mechanical effect. For hit matter is destroyed, or even burst into pieces. Because the gas is hit by lightning, from the cracks in the dramatic expansion of full of water vaporization, lead to destruction or explosion hit. Teflon tape
The thermal effect. The lightning current through a conductor, produce a lot of heat in a short time, can burn the broken wire, burning equipment, etc. caused by metal melting caused by fire and power outage.
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